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CN106550343A - End-to-end communication website finds method, website and access point - Google Patents

End-to-end communication website finds method, website and access point Download PDF

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Publication number
CN106550343A
CN106550343A CN201510602863.0A CN201510602863A CN106550343A CN 106550343 A CN106550343 A CN 106550343A CN 201510602863 A CN201510602863 A CN 201510602863A CN 106550343 A CN106550343 A CN 106550343A
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CN
China
Prior art keywords
website
frame
discovery
access point
broadcast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510602863.0A
Other languages
Chinese (zh)
Other versions
CN106550343B (en
Inventor
苏宏家
朱俊
吴霁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201510602863.0A priority Critical patent/CN106550343B/en
Priority to PCT/CN2016/084578 priority patent/WO2017049955A1/en
Publication of CN106550343A publication Critical patent/CN106550343A/en
Application granted granted Critical
Publication of CN106550343B publication Critical patent/CN106550343B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/005Discovery of network devices, e.g. terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/04Scheduled access
    • H04W74/06Scheduled access using polling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a kind of end-to-end communication website and finds method, the first website, the second website and access point, finds efficiency to improve end-to-end communication website, it is to avoid competition conflict occurs between the website of the end-to-end communication site's discovery procedure of multiple initiations.The inventive method includes:First website is obtained from access point and finds resource, and the discovery resource is used for link transmission end to end;First website is finding that broadcast finds trigger frame in resource, finds trigger frame and sends for replying the discovery response frame for finding trigger frame to the first website for triggering the second website, and the first website and the second website all possess end-to-end communication ability;First website receives the discovery response frame that at least one second websites send, and determines that at least one second websites are the end-to-end communication website of itself.

Description

End-to-end communication website finds method, website and access point
Technical field
The present invention relates to wireless communication field, more particularly to a kind of end-to-end communication website find method, first Website, the second website and access point.
Background technology
End-to-end (Device-to-Deceive, D2D) communication technology is directly entered between a kind of permission terminal The technology of row communication, it can increase spectrum efficiency of communication system, reduce terminal transmission power, in certain journey Solve the problems, such as on degree that wireless communication system frequency spectrum resource is deficient, can significantly lift whole net systematic function.
End-to-end communication website discovery procedure refers to that website discovery can be with the station for itself carrying out end-to-end communication The process of point, end-to-end communication website discovery procedure is end-to-end communication link establishment and end-to-end communication website Between data transfer necessary process.
The discovery procedure of existing end-to-end communication website is accessed according to traditional carrier sense multiple access (Carrier Sense Multiple Access, CSMA) mechanism, the first website originating end is to end communication site It was found that after request, multiple websites of end-to-end communication can be carried out using by the way of competing with first stop point while To the first station replies response message, but only competition can successfully to the first website to a website of channel Response message is replied, and becomes mutually the end-to-end communication website of opposite end with the first website.Therefore, first stop Point is initiated end-to-end communication site every time and finds that request can only find at most one website in synchronization, and end is arrived End communication site finds less efficient.End-to-end communication station is initiated using competitive way between multiple first websites Point discovery process, causes competition conflict is susceptible between multiple first websites.
Especially under the intensive scene of website, using existing end-to-end communication website discovery mechanism, due to First website is initiated end-to-end communication site every time and finds that request can only find at most one station in synchronization Point, end-to-end communication website find that the low problem of efficiency becomes apparent from, multiple first stops for initiating discovery procedure The probability that competition conflict occurs between point is greatly increased.
The content of the invention
Embodiments provide a kind of end-to-end communication website and find method, the first website, the second website And access point, efficiency is found to improve end-to-end communication website, it is to avoid the end-to-end communication site of multiple initiations is sent out There is competition conflict between the website of existing process.
In a first aspect, a kind of end-to-end communication website provided in an embodiment of the present invention finds method, including:
First website is obtained from access point and finds resource, it is found that resource is used for link transmission end to end;
First website find resource on broadcast find trigger frame, find trigger frame be used for trigger the second website to First website is sent for replying the discovery response frame for finding trigger frame, and the first website and the second website all possess End-to-end communication ability;
First website receives the discovery response frame that at least one second websites send, and determines at least one second Website is the end-to-end communication website of itself.
With reference in a first aspect, in the first possible implementation, the first website is obtained from access point and is found Resource, including:
First website sends to access point and finds claim frame, finds claim frame for sending out to access point acquisition request Existing resource;
First website receives the discovery poll frame of access point broadcast, it is found that poll frame carries the mark of the first website With discovery resource.
With reference to the first possible implementation of first aspect, in second possible realization of first aspect In mode, also include:
First website determines that access point broadcast finds the moment of poll frame;
First website keeps resting state before the moment for finding poll frame is broadcasted in access point, wide in access point The moment for broadcasting existing poll frame stays awake for, to receive discovery poll frame.
With reference to second possible implementation of first aspect, in the third possible realization of first aspect In mode, the first website determines that access point broadcast finds the moment of poll frame, including:
First website receives the management frame or control frame of access point broadcast, and management frame or control frame are connect for instruction Access point broadcast finds the moment of poll frame;
According to management frame or control frame, first website determines that access point broadcast finds the moment of poll frame.
With reference in a first aspect, in the 4th kind of possible implementation, it is found that trigger frame carries power threshold, Power threshold is used for the second website and determines the condition for finding response frame that sends, and the second website sends and finds response frame Condition include:It is determined that receiving, second website is finding that the receiving power of trigger frame is more than or equal to power threshold When to the first website send find response frame.
With reference in a first aspect, in the 5th kind of possible implementation, it is found that trigger frame carries basic service list First BSS configured informations, BSS configured informations are used for the second website and determine the condition for finding response frame that sends, the Two websites send and find that the condition of response frame includes:Second website is referring to it is determined that itself meeting BSS configured informations Send to the first website during the condition shown and find response frame.
Second aspect, a kind of end-to-end communication website provided in an embodiment of the present invention find method, including:
Second website receives the discovery trigger frame of the first website broadcast, it is found that trigger frame is used to indicate the second website Send for replying the discovery response frame for finding trigger frame to the first website, the second website and the first website all have Standby end-to-end communication ability;
Second website sends to the first website and finds response frame, and
Determine that the first website is the end-to-end communication website of itself.
With reference to second aspect, in the first possible implementation, it is found that trigger frame carries power threshold;
Second website sends to the first website and finds response frame, including:
Second website determines the receiving power received when finding trigger frame;
Second website when it is determined that receiving power is more than or equal to power threshold sends to the first website and finds to ring Answer frame.
With reference to the first possible implementation of second aspect or second aspect, at second of second aspect In possible implementation, the second website sends to the first website and finds response frame, including:
Second website is sent to the first website using OFDM OFDMA modes and finds response frame.
With reference to second aspect, in the third possible implementation, also include:
Second website receives the discovery poll frame of access point broadcast, it is found that poll frame is used to indicate that the second website is accurate The standby discovery trigger frame for receiving the broadcast of the first website.
With reference to the third possible implementation of second aspect, in the 4th kind of possible realization of second aspect In mode, also include:
Second website determines that access point broadcast finds the moment of poll frame;
Second website keeps resting state before the moment for finding poll frame is broadcasted in access point, and in access point Broadcast finds that the moment of poll frame stays awake for, to receive discovery poll frame.
With reference to the 4th kind of possible implementation of second aspect, in the 5th kind of possible realization of second aspect In mode, the second website determines that access point broadcast finds the moment of poll frame, including:
The management frame or control frame that second website is broadcasted according to access point determines that access point broadcast finds poll frame Moment.
With reference to second aspect, in the 6th kind of possible implementation, it is found that trigger frame carries basic service list First BSS configured informations;
Second website sends to the first website and finds response frame, including:
Second website when it is determined that itself meeting the condition of BSS configured informations instruction sends to the first website and sends out Existing response frame.
The third aspect, a kind of end-to-end communication website provided in an embodiment of the present invention find method, including:
Access point receives the discovery claim frame that the first website sends, it is found that claim frame is obtained for the first site requests Discovery resource is taken, it is found that resource is used for the broadcast of the first website and finds trigger frame;
Access point broadcast finds poll frame, it is found that poll frame carries the first site identity and finds resource, find Poll frame is used to indicate that the second website prepares to receive the discovery trigger frame of the first website broadcast.
With reference to the third aspect, in the first possible implementation, also include:
Access point broadcast management frame or control frame, management frame or control frame are used to indicate that access point broadcast finds wheel Ask the moment of frame.
Fourth aspect, a kind of first website provided in an embodiment of the present invention, including:
Transmit-Receive Unit, finds resource for obtaining from access point, it is found that resource is used for link transmission end to end; Iting is found that broadcast finds trigger frame in resource, iting is found that trigger frame is sent to Transmit-Receive Unit for triggering the second website For replying the discovery response frame for finding trigger frame, the first website and the second website all possess end-to-end communication energy Power;Receive the discovery response frame of at least one second websites transmission;
Processing unit, for the discovery response frame of at least one second websites transmission is received in Transmit-Receive Unit Afterwards, determine the end-to-end communication website that at least one second websites are the first website.
With reference to fourth aspect, in the first possible implementation, Transmit-Receive Unit is being sent out from access point acquisition During existing resource, specifically for:
Send to access point and find claim frame, find claim frame for resource being found to access point acquisition request;
The discovery poll frame of access point broadcast is received, it is found that poll frame carries the mark of the first website and finds money Source.
With reference to the first possible implementation of fourth aspect, in second possible realization of fourth aspect In mode, processing unit is additionally operable to:
Determine that access point broadcast finds the moment of poll frame;
The first website is controlled before the moment for finding poll frame is broadcasted in access point and keeps resting state, accessed Point broadcast finds that the moment of poll frame controls the first website and stays awake for, and is received with Transmit-Receive Unit and finds wheel Ask frame.
With reference to second possible implementation of fourth aspect, in the third possible realization of fourth aspect In mode, Transmit-Receive Unit is additionally operable to:
The management frame or control frame of access point broadcast are received, management frame or control frame are used to indicate that access point is broadcasted It was found that the moment of poll frame;
Processing unit it is determined that access point broadcast find poll frame moment when, specifically for:
According to Transmit-Receive Unit receive management frame or control frame, determine access point broadcast find poll frame when Carve.
With reference to fourth aspect, in the 4th kind of possible implementation, it is found that trigger frame carries power threshold, Power threshold is used for the second website and determines the condition for finding response frame that sends, and the second website sends and finds response frame Condition include:It is determined that receiving, second website is finding that the receiving power of trigger frame is more than or equal to power threshold When to the first website send find response frame.
With reference to fourth aspect, in the 5th kind of possible implementation, it is found that trigger frame carries basic service list First BSS configured informations, BSS configured informations are used for the second website and determine the condition for finding response frame that sends, the Two websites send and find that the condition of response frame includes:Second website is referring to it is determined that itself meeting BSS configured informations Send to the first website during the condition shown and find response frame.
In terms of 5th, a kind of second website provided in an embodiment of the present invention, including:
Transmit-Receive Unit, for receiving the discovery trigger frame of the first website broadcast, it is found that trigger frame is used to indicate to receive Bill unit is sent for replying the discovery response frame for finding trigger frame, the second website and first stop to the first website Point all possesses end-to-end communication ability;Send to the first website and find response frame;
Processing unit, after receiving discovery trigger frame in Transmit-Receive Unit, determines that the first website is second station The end-to-end communication website of point.
In terms of the 5th, in the first possible implementation, it is found that trigger frame carries power threshold;
Processing unit is additionally operable to:
Determine that Transmit-Receive Unit receives receiving power when finding trigger frame;
When it is determined that receiving power is more than or equal to power threshold, control Transmit-Receive Unit sends to the first website and sends out Existing response frame.
With reference to the first the possible implementation in terms of the 5th or in terms of the 5th, second in terms of the 5th In possible implementation, Transmit-Receive Unit to the first website send find response frame when, specifically for:
Sent to the first website using OFDM OFDMA modes and find response frame.
In terms of the 5th, in the third possible implementation, Transmit-Receive Unit is additionally operable to:
The discovery poll frame of access point broadcast is received, it is found that poll frame is used to indicate that Transmit-Receive Unit prepares to receive the The discovery trigger frame of one website broadcast.
With reference to the third the possible implementation in terms of the 5th, the possible realization of the 4th in terms of the 5th kind In mode, processing unit is additionally operable to:
Determine that access point broadcast finds the moment of poll frame;
The second website is controlled before the moment for finding poll frame is broadcasted in access point and keeps resting state, and connect Access point broadcast finds that the moment of poll frame controls the second website and stays awake for, so as to Transmit-Receive Unit is received send out Existing poll frame.
With reference to the 4th kind of possible implementation in terms of the 5th, the possible realization of the 5th in terms of the 5th kind In mode, Transmit-Receive Unit is additionally operable to:
The management frame or control frame of access point broadcast are received, management frame or control frame are used to indicate that access point is broadcasted It was found that the moment of poll frame;
Processing unit it is determined that access point broadcast find poll frame moment when, specifically for:
The management frame or control frame of the access point broadcast received according to Transmit-Receive Unit, determines that access point broadcast finds The moment of poll frame.
In terms of the 5th, in the 6th kind of possible implementation, it is found that trigger frame carries basic service list First BSS configured informations;
Processing unit is additionally operable to:
When it is determined that the second website meets the condition of BSS configured informations instruction, control Transmit-Receive Unit is to first stop Point sends and finds response frame.
In terms of 6th, a kind of access point provided in an embodiment of the present invention, including:
Transmit-Receive Unit, for receiving the discovery claim frame that the first website sends, it is found that claim frame is used for first stop Point acquisition request finds resource, it is found that resource is used for the broadcast of the first website and finds trigger frame;
Processing unit, for determining the discovery resource of the first website;
Transmit-Receive Unit, is additionally operable to broadcast and finds poll frame, it is found that poll frame carries the first site identity and process The discovery resource that unit determines, it is found that poll frame is used to indicate that the second website prepares to receive the broadcast of the first website It was found that trigger frame.
In terms of the 6th, in the first possible implementation, Transmit-Receive Unit is additionally operable to:
Broadcast management frame or control frame, management frame or control frame are used to indicate that Transmit-Receive Unit broadcast finds poll frame Moment.
In terms of 7th, a kind of first website provided in an embodiment of the present invention, including:
Transceiver, finds resource for obtaining from access point, it is found that resource is used for link transmission end to end; Broadcast discovery trigger frame in resource is being found, iting is found that trigger frame sends use to transceiver for triggering the second website Find that the discovery response frame of trigger frame, the first website and the second website all possess end-to-end communication energy in reply Power;Receive the discovery response frame of at least one second websites transmission;
Processor, for transceiver receive at least one second websites transmission discovery response frame after, really Fixed at least one second websites are the end-to-end communication website of the first website.
In terms of the 7th, in the first possible implementation, transceiver is obtaining discovery from access point During resource, specifically for:
Send to access point and find claim frame, find claim frame for resource being found to access point acquisition request;
The discovery poll frame of access point broadcast is received, it is found that poll frame carries the mark of the first website and finds money Source.
With reference to the first the possible implementation in terms of the 7th, the possible realization of second in terms of the 7th In mode, processor is additionally operable to:
Determine that access point broadcast finds the moment of poll frame;
The first website is controlled before the moment for finding poll frame is broadcasted in access point and keeps resting state, accessed Point broadcast finds that the moment of poll frame controls the first website and stays awake for, and is received with transceiver and finds poll Frame.
With reference to second possible implementation in terms of the 7th, the third the possible realization in terms of the 7th In mode, transceiver is additionally operable to:
The management frame or control frame of access point broadcast are received, management frame or control frame are used to indicate that access point is broadcasted It was found that the moment of poll frame;
Processor it is determined that access point broadcast find poll frame moment when, specifically for:
The management frame received according to transceiver or control frame, determine that access point broadcast finds the moment of poll frame.
In terms of the 7th, in the 4th kind of possible implementation, it is found that trigger frame carries power threshold, Power threshold is used for the second website and determines the condition for finding response frame that sends, and the second website sends and finds response frame Condition include:It is determined that receiving, second website is finding that the receiving power of trigger frame is more than or equal to power threshold When to the first website send find response frame.
In terms of the 7th, in the 5th kind of possible implementation, it is found that trigger frame carries basic service list First BSS configured informations, BSS configured informations are used for the second website and determine the condition for finding response frame that sends, the Two websites send and find that the condition of response frame includes:Second website is referring to it is determined that itself meeting BSS configured informations Send to the first website during the condition shown and find response frame.
Eighth aspect, a kind of second website provided in an embodiment of the present invention, including:
Transceiver, for receiving the discovery trigger frame of the first website broadcast, it is found that trigger frame is used to indicate transmitting-receiving Device is sent for replying the discovery response frame for finding trigger frame to the first website, and the second website and the first website are all Possesses end-to-end communication ability;Send to the first website and find response frame;
Processor, after receiving discovery trigger frame in transceiver, determines that the first website is the second website End-to-end communication website.
With reference to eighth aspect, in the first possible implementation, it is found that trigger frame carries power threshold;
Processor is additionally operable to:
Determine that transceiver receives receiving power when finding trigger frame;
When it is determined that receiving power is more than or equal to power threshold, control transceiver sends to the first website and finds Response frame.
With reference to the first possible implementation of eighth aspect or eighth aspect, at second of eighth aspect In possible implementation, transceiver to the first website send find response frame when, specifically for:
Sent to the first website using OFDM OFDMA modes and find response frame.
With reference to eighth aspect, in the third possible implementation, transceiver is additionally operable to:
The discovery poll frame of access point broadcast is received, it is found that poll frame is used to indicate that transceiver prepares to receive first The discovery trigger frame of website broadcast.
With reference to the third possible implementation of eighth aspect, in the 4th kind of possible realization of eighth aspect In mode, processor is additionally operable to:
Determine that access point broadcast finds the moment of poll frame;
The second website is controlled before the moment for finding poll frame is broadcasted in access point and keeps resting state, and connect Access point broadcast finds that the moment of poll frame controls the second website and stays awake for, so as to transceiver is received find Poll frame.
With reference to the 4th kind of possible implementation of eighth aspect, in the 5th kind of possible realization of eighth aspect In mode, transceiver is additionally operable to:
The management frame or control frame of access point broadcast are received, management frame or control frame are used to indicate that access point is broadcasted It was found that the moment of poll frame;
Processor it is determined that access point broadcast find poll frame moment when, specifically for:
The management frame or control frame of the access point broadcast received according to transceiver, determines that access point broadcast finds wheel Ask the moment of frame.
With reference to eighth aspect, in the 6th kind of possible implementation, it is found that trigger frame carries basic service list First BSS configured informations;
Processor is additionally operable to:
When it is determined that the second website meets the condition of BSS configured informations instruction, control transceiver is to the first website Send and find response frame.
In terms of 9th, a kind of access point provided in an embodiment of the present invention, including:
Transceiver, for receiving the discovery claim frame that the first website sends, it is found that claim frame is used for the first website Acquisition request finds resource, it is found that resource is used for the broadcast of the first website and finds trigger frame;
Processor, for determining the discovery resource of the first website;
Transceiver, is additionally operable to broadcast and finds poll frame, it is found that poll frame carries the first site identity and processor It is determined that discovery resource, find poll frame be used for indicate the second website prepare receive the first website broadcast discovery Trigger frame.
In terms of the 9th, in the first possible implementation, transceiver is additionally operable to:
Broadcast management frame or control frame, management frame or control frame are used to indicate that transceiver broadcasts find poll frame Moment.
The technical scheme provided in the embodiment of the present invention, is particularly suited for the intensive scene of website, and multiple first The end-to-end communication website discovery procedure that website is initiated is uniformly coordinated control by access point, and the first website is from access Point is obtained for finding resource, and the first website is initiated end-to-end communication site using the discovery resource and found Journey, therefore avoid multiple the first websites for initiating end-to-end communication site's discovery procedure under the intensive scene of website Between occur competition conflict., to after the communication site's discovery procedure of end, the first website can be with for first website originating end The discovery response that multiple second websites send is received, and then determines that mutually opposite end is itself with multiple second websites End-to-end communication website, improve end-to-end communication website find efficiency.The embodiment of the present invention provides a kind of End-to-end communication website finds that method can be with the mechanism such as end-to-end communication link establishment, end-to-end data transfer It is merged, to improve whole net efficiency.
Description of the drawings
Fig. 1 has found method flow schematic diagram for a kind of end-to-end communication website provided in an embodiment of the present invention;
Fig. 2 is that a kind of Beacon frames of access point broadcast provided in an embodiment of the present invention indicate that access point broadcast is sent out The schematic diagram at the moment of existing poll frame;
Fig. 3 is that a kind of second website provided in an embodiment of the present invention sends discovery response frame according to power threshold Schematic diagram;
Fig. 4 is that a kind of first website provided in an embodiment of the present invention sends the schematic diagram for finding protection frame;
Fig. 5 has found method flow schematic diagram for a kind of end-to-end communication website provided in an embodiment of the present invention;
Fig. 6 has found method flow schematic diagram for a kind of end-to-end communication website provided in an embodiment of the present invention;
Fig. 7 is that a kind of end-to-end communication website provided in an embodiment of the present invention finds that the equipment room of method was interacted Journey schematic diagram;
Fig. 8 is that a kind of end-to-end communication website provided in an embodiment of the present invention finds that the equipment room of method was interacted Journey schematic diagram;
Fig. 9 is that a kind of end-to-end communication website provided in an embodiment of the present invention finds that the equipment room of method was interacted Journey schematic diagram;
Figure 10 is the equipment room interaction that a kind of end-to-end communication website provided in an embodiment of the present invention finds method Process schematic;
Figure 11 (a) and Figure 11 (b) is indicated according to BSS for a kind of second website provided in an embodiment of the present invention Information sends the schematic diagram for finding response frame;
Figure 12 is the equipment room interaction that a kind of end-to-end communication website provided in an embodiment of the present invention finds method Process schematic;
Figure 13 is a kind of structural representation of first website provided in an embodiment of the present invention;
Figure 14 is a kind of structural representation of second website provided in an embodiment of the present invention;
Figure 15 is a kind of structural representation of access point provided in an embodiment of the present invention;
Figure 16 is a kind of structural representation of first website provided in an embodiment of the present invention;
Figure 17 is a kind of structural representation of second website provided in an embodiment of the present invention;
Figure 18 is a kind of structural representation of access point provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation Property work under the premise of the every other embodiment that obtained, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of end-to-end communication website and finds that (device includes first to method and device Stand, the second website and access point), find efficiency to improve end-to-end communication website, it is to avoid multiple originating ends Conflict to there is competition between the website of end communication site's discovery procedure.Wherein, method and apparatus is based on same One inventive concept, due to the principle of method and device solve problem it is similar, therefore the enforcement of apparatus and method Part can be repeated and is repeated no more with cross-reference.
Technical scheme is suitable to be related to end-to-end communication technology, and end-to-end communication technology is a kind of permission eventually The technology directly communicated between end (middle finger website of the present invention), it can increase communication system frequency spectrum effect Rate, reduces terminal transmission power, solves the problems, such as that wireless communication system frequency spectrum resource is deficient to a certain extent.
In the embodiment of the present invention, the website for initiating end-to-end communication site's discovery procedure is referred to as into the first website, Will response the first website end-to-end communication website discovery procedure website be referred to as the second website, the first website and Second website can be one or more.The embodiment of the present invention provides a kind of end-to-end communication website discovery side Method, is particularly suited for the intensive scene of website, and the end-to-end communication website that multiple first websites are initiated found Journey is uniformly coordinated control by access point, and the first website is obtained for finding resource, the first website profit from access point End-to-end communication site's discovery procedure is initiated with the discovery resource, therefore is avoided multiple under the intensive scene of website Initiate between the first website of end-to-end communication site's discovery procedure, competition conflict.First website originating end To after the communication site's discovery procedure of end, the first website can receive the discovery response that multiple second websites send, And then determine that multiple second websites are the end-to-end communication website of itself, improve the discovery of end-to-end communication website Efficiency.The embodiment of the present invention provides a kind of end-to-end communication website and finds that method can be with end-to-end communication link The mechanism such as foundation, end-to-end data transfer are merged, to improve whole net efficiency.
Embodiment one
As shown in figure 1, in the first website side, embodiments providing a kind of end-to-end communication website and sending out Existing method, including:
S101, the first website are obtained from access point and find resource, and the discovery resource is passed for link end to end It is defeated;
S102, the first website are finding that broadcast finds trigger frame in resource, it is found that trigger frame is used for triggering second Website is sent for replying the discovery response frame for finding trigger frame, the first website and the second website to the first website All possesses end-to-end communication ability;
S103, the first website receive the discovery response frame that at least one second websites send, and determine at least one Individual second website is the end-to-end communication website of itself.
In the present embodiment, the first website is obtained from access point by the following method and finds resource:
First website sends the discovery claim frame (Discovery that resource is found for acquisition request to access point Request), the first website receive access point broadcast discovery poll frame (Discovery Polling Frame, DPF), the discovery poll frame carries the mark of the first website and finds resource.The mark of the first website can be with Distributed by access point for media access control (Media Access Control, MAC) address, the first website Associated designation symbol (Association Identifier, AID) etc. can be used in recognizing the mark of the first website.
Optionally, the first website sends to access point during Stochastic accessing (Random Access) and sends out Existing claim frame, i.e. access point trigger the first website originating end to end communication site by triggering random access procedure Discovery procedure.In the random access procedure, access point can receive sending out for one or more first websites transmissions Existing claim frame.By broadcasting, access point finds that poll frame notifies that one or more first websites are respective and finds money Source.Access point can notify respective of multiple first websites by broadcasting one or more discovery poll frames Existing resource, it is found that poll frame carries the first site identity and the corresponding discovery resource of first site identity.
Optionally, it is found that poll frame includes that the first website initiates this end-to-end communication website discovery procedure Time span, the time span alternatively referred to as find transmission opportunity (Discovery TXOP), the first website Stay awake in the range of the time span, to receive the discovery response frame of the second website transmission.
Optionally, the first website determines that access point broadcast finds the moment of poll frame, and the first website can connect Resting state is kept before the moment that access point broadcast finds poll frame, is broadcasted when finding poll frame in access point Quarter stays awake for, to receive discovery poll frame.That is the first website is broadcasted in access point and finds poll frame Before moment, energy saver mode can be adopted in no business demand, to save the power consumption of the first website.
Optionally, the first website is by receiving the management frame or control frame that access point is broadcasted, such as beacon frame (Beacon frames), determine access point broadcast find poll frame moment, access point broadcast management frame or Carry in control frame for indicating that access point broadcast finds the information at the moment of poll frame.
Illustrate, by taking the Beacon frames that the first website receives access point broadcast as an example, access point is periodically Ground broadcast Beacon frames, the cycle for broadcasting Beacon frames under normal circumstances is 1 millisecond.As shown in Fig. 2 First website receives first Beacon frame of access point broadcast, according to indicating for first Beacon frame Know, before second Beacon frame arrives, access point does not broadcast discovery poll frame, therefore the first website Resting state can be kept before second Beacon frame arrives.First website receives access point broadcast Second Beacon frame, learns according to the instruction of second Beacon frame, second Beacon frame it T1 moment access point broadcast afterwards finds poll frame, therefore the first website kept dormancy shape before the T1 moment State, woke up to receive the discovery poll frame of access point broadcast at the T1 moment.
In the present embodiment, the discovery trigger frame (Discovery Trigger Frame, DTF) of the first website broadcast Power threshold can be carried, the power threshold is used for the second website and determines the condition for finding response frame that sends, the Two websites send and find that the condition of response frame includes:Second website is it is determined that receive the reception work(of discovery trigger frame Rate sends to the first website when being more than or equal to power threshold and finds response frame.
Specifically, the second website determines the receiving power for receiving discovery trigger frame, and finds trigger frame by receiving Receiving power with find trigger frame carry power threshold be compared.When the reception for receiving discovery trigger frame When power is more than or equal to power threshold, the second website sends to the first website and finds response frame, the first website Determine that opposite end is the end-to-end communication website of itself respectively with the second website, for example, perform and preserve opposite end website mark Knowledge information etc. is operated;When the receiving power for finding trigger frame is received less than power threshold, the second website will not Send to the first website and find that response frame, i.e. the first website and the second website are unsatisfactory for arriving as the end of opposite end The condition of end communication site.
It was found that the power threshold carried in trigger frame can play a part of control finds scope, with the first website The second nearer website of distance, the receiving power for receiving the discovery trigger frame that the first website sends are bigger.Therefore, If the first website is expected to find the end-to-end communication website in the range of closer distance, power threshold can be arranged It is larger.Illustrate, as shown in figure 3, the broadcast of website (STA) 1 finds trigger frame, the discovery is triggered The power threshold that frame is carried is Pth, STA2 to STA5 receives the receiving power of the discovery trigger frame and is respectively P1To P4If, P1And P4It is all higher than Pth, P2And P3Respectively less than Pth, then STA2 and STA5 can be to first Station replies find response frame, and STA3 and STA4 will not have found response frame to the first station replies.
In the present embodiment, the discovery trigger frame of the first website broadcast can indicate that the second website is returned to the first website The mode of the existing response frame of recurrence, for example, find that trigger frame indicates that the second website adopts OFDM The mode of (Orthogonal Frequency Division Multiple Access, OFDMA) is to the first website Reply and find response frame.Optionally, subchannel and the son for being available for second station point to select is pointed out in finding trigger frame Channel number, the second website can randomly choose one of subchannel to first after receiving the discovery trigger frame Website sends and finds trigger frame.In existing discovery mechanism, using competitive way to the between multiple second websites One station replies find response frame, i.e. synchronization, and the first website can only be properly received second website It was found that response frame.Under the intensive scene of website, between multiple second websites, it is easy to competition conflict.Pass through The method that the present embodiment is provided, the first website can be properly received the discovery of multiple second websites in synchronization Response frame, reduces the probability that competition conflict occurs between multiple second websites, and increase is correct to find efficiency.
In the present embodiment, if after the broadcast of the first website finds trigger frame, without reception in the range of certain hour Take office the discovery response frame of what station replies, then the first website needs to send and finds protection frame (Discovery Protection Frame), do not taken by other websites for replying the channel for finding response frame with protecting.Cause For, when the channel is idle between exceed distributed inter-frame space (Distributed Inter-frame Space, DIFS) Duration (DIF=36us), other websites are possible to seize channel, interrupt the ongoing end of the first website and arrive End communication site's discovery procedure, causes to do to the ongoing end-to-end communication website discovery procedure of the first website Disturb.In the present embodiment, the first website avoids finding response frame for replying by sending discovery protection frame Channel is occupied.
Illustrate, as shown in Fig. 4 top halfs, STA1 broadcast starts timing after finding trigger frame, After certain interFrameGap (x Inter Frame Space, xIFS), such as xIFS=SIFS (short time interval, Short IFS)=16us, STA1 should receive the discovery response frame replied from other STA, but real Border is but not received by the discovery response frame that any STA is replied, to avoid delay from causing certain to find response frame The time for reaching STA1 is slightly later than SIFS durations, STA1 persistently intercept a time span (aTimeSlot, Such as aTimeSlot=9us) to continue waiting for finding the arrival of response frame, if STA1 is again without reception To response frame is found, then STA1 needs to send and finds protection frame, as shown in Fig. 4 the latter half.That is STA1 It is after broadcast finds trigger frame, long in PIFS (for example, the PIFS=SIFS+aTimeSlot=25us) times When the discovery response frame that any STA is replied is not received by degree, STA1 sends and finds protection frame to avoid Taken by other websites for replying the channel for finding response frame.
It should be noted that the particular content for finding protection frame is not limited in the present embodiment, protection frame is found Can realize protecting and not taken by other websites for replying the channel for finding response frame.It was found that protection frame Can adopt filling bit (padding), such as 000000 ... 000.
In the present embodiment, the first website receives the discovery response frame that at least one second websites send, first stop It is the end-to-end communication website of itself that point is confirmed each other opposite end with the second website, for example, perform and preserve opposite end website Identification information etc. is operated.Optionally, after the first website receives the discovery response frame of the second website transmission, to Second website sends acknowledgement frame.
It is corresponding with the first website, as shown in figure 5, in the second website side, embodiments providing one Plant end-to-end communication website and find method, including:
S501, the second website receive the discovery trigger frame of the first website broadcast, it is found that trigger frame is used to indicate the Two websites are sent for replying the discovery response frame for finding trigger frame, the second website and first stop to the first website Point all possesses end-to-end communication ability;
S502, the second website send to the first website and find response frame, and determine that the first website is the end of itself To end communication site.
In the present embodiment, the first website can be one or more.Second website is by receiving multiple first stops The discovery trigger frame of point broadcast, and discovery response frame is sent to multiple first websites respectively, it may be determined that it is multiple First website is the end-to-end communication website of itself, and then improves end-to-end communication website discovery efficiency.
In the present embodiment, optionally, the discovery trigger frame that the second website is received carries power threshold, the power Thresholding is used for the second website when it is determined that receiving the receiving power for finding trigger frame more than or equal to power threshold Send to the first website and find response frame.Specifically, the second website determines the reception work(for receiving discovery trigger frame Rate, and the power threshold for receiving the receiving power for finding trigger frame with find trigger frame carrying is compared. When the receiving power for finding trigger frame is received more than or equal to power threshold, the second website is sent out to the first website Discovery response frame, the first website and the second website is sent to determine that opposite end is the end-to-end communication website of itself respectively, For example perform and preserve the operation such as opposite end identification information of station;When the receiving power for receiving discovery trigger frame is less than work( During rate thresholding, the second website will not send to the first website and find response frame, i.e. the first website and the second website The condition of the end-to-end communication website as opposite end is unsatisfactory for.
It was found that the power threshold carried in trigger frame can play a part of control finds scope, with the first website The second nearer website of distance, the receiving power for receiving the discovery trigger frame that the first website sends are bigger.Therefore, If the first website is expected to find the end-to-end communication website in the range of closer distance, power threshold can be arranged It is larger.Illustrate, as shown in figure 3, the broadcast of website (STA) 1 finds trigger frame, the discovery is triggered The power threshold that frame is carried is Pth, STA2 to STA5 receives the receiving power of the discovery trigger frame and is respectively P1To P4If, P1And P4It is all higher than Pth, P2And P3Respectively less than Pth, then STA2 and STA5 can be to first Station replies find response frame, and STA3 and STA4 will not have found response frame to the first station replies.
In the present embodiment, optionally, the discovery trigger frame that the second website is received carries basic service unit (Basic Service Set, BSS) configured information, the BSS configured informations are for the second website determination transmission discovery sound The condition of frame, the second website is answered to send and find that the condition of response frame includes:Second website is it is determined that itself meets Send to the first website during the condition that BSS configured informations are indicated and find response frame.
In the present embodiment, the discovery trigger frame that the second website is received can indicate that the second website is returned to the first website The mode of the existing response frame of recurrence, for example, find that trigger frame indicates the second website by the way of OFDMA to the One station replies find response frame.Optionally, the son letter for being available for second station point to select is pointed out in finding trigger frame Road and subchannel number, the second website can randomly choose one of subchannel after receiving the discovery trigger frame Send to the first website and find trigger frame.In existing discovery mechanism, competition side between multiple second websites, is adopted Formula finds response frame to the first station replies, is easy to generation competing under the intensive scene of website between multiple second websites Strive conflict.The method provided by the present embodiment, can avoid competition conflict between multiple second websites.
In the present embodiment, the second website can receive the discovery poll frame of access point broadcast, due to the discovery wheel Carrying in asking frame and the discovery resource for finding trigger frame being broadcasted for the first website, the second website is according to the discovery wheel Ask frame and would know that the broadcast of the first website finds the discovery resource of trigger frame, and then prepare to receive the broadcast of the first website Discovery trigger frame.
Optionally, the second website determines that access point broadcast finds the moment of poll frame, and the second website can connect Resting state is kept before the moment that access point broadcast finds poll frame, is broadcasted when finding poll frame in access point Quarter stays awake for, to receive discovery poll frame.That is the second website is broadcasted in access point and finds poll frame Before moment, energy saver mode can be adopted in no business demand, to save the power consumption of the second website.
Optionally, the second website is by receiving the management frame or control frame that access point is broadcasted, such as beacon frame (Beacon frames), determine access point broadcast find poll frame moment, access point broadcast management frame or Carry in control frame for indicating that access point broadcast finds the information at the moment of poll frame.
Illustrate, by taking the Beacon frames that the second website receives access point broadcast as an example, access point is periodically Ground broadcast Beacon frames, the cycle for broadcasting Beacon frames under normal circumstances is 1 millisecond.As shown in Fig. 2 Second website receives first Beacon frame of access point broadcast, according to indicating for first Beacon frame Know, before second Beacon frame arrives, access point does not broadcast discovery poll frame, therefore the second website Resting state can be kept before second Beacon frame arrives.Second website receives access point broadcast Second Beacon frame, learns according to the instruction of second Beacon frame, second Beacon frame it T1 moment access point broadcast afterwards finds poll frame, therefore the second website kept dormancy shape before the T1 moment State, woke up to receive the discovery poll frame of access point broadcast at the T1 moment.
It is corresponding with the first website and the second website, as shown in fig. 6, in access point side, the embodiment of the present invention Method is found there is provided a kind of end-to-end communication website, including:
S601, access point receive the discovery claim frame that the first website sends, it is found that claim frame is used for the first website Acquisition request finds resource, it is found that resource is used for the broadcast of the first website and finds trigger frame;
S602, access point broadcast find poll frame, it is found that poll frame carries the first site identity and finds resource, It was found that poll frame is used to indicate that the second website prepares to receive the discovery trigger frame of the first website broadcast.
In the present embodiment, access point can receive the discovery claim frame that one or more first websites send, and connect By broadcasting, access point finds that poll frame notifies the respective discovery resource of one or more first websites.It was found that poll The first site identity that frame is carried being capable of unique identification for the first Site ID, first website AID etc. The mark of one website.Website with end-to-end communication ability can receive the discovery wheel of access point broadcast Ask frame.
Optionally, access point broadcast management frame or control frame, management frame or control frame are used to indicate that access point is wide Broadcast the moment of existing poll frame.Management frame or control frame that first website or the second website are broadcasted according to access point Can determine that access point broadcast finds that the moment of poll frame, the first website or the second website can be wide in access point Resting state before broadcasting the moment arrival of existing poll frame, wakes up to connect when access point broadcast finds poll frame Receive the discovery poll frame of access point broadcast.
Illustrate (one), in a kind of end-to-end communication website discovery method provided in an embodiment of the present invention, Interaction between first website, the second website and access point (AP) as shown in fig. 7, in Fig. 7, first Website include second website of STA1 and STA5, STA1 include STA2, STA4, STA7, STA10, STA11, STA12 and STA13, the discovery procedure of end-to-end communication website it is whole with a width of 20MHz on carry out. AP triggers Stochastic accessing by broadcasting Stochastic accessing trigger frame (Trigger Frame for Random Access) Process, STA1 and STA5 in the random access procedure respectively to AP send find claim frame, AP respectively to STA1 and STA5 transmission blocks acknowledgement frame/acknowledgement frame, to indicate that AP receives the discovery that STA1 and STA5 sends Claim frame.AP broadcast finds poll frame, and the discovery poll frame carries what STA1 marks were associated with STA1 marks It was found that the discovery resource that resource and STA5 marks are associated with STA5 marks, all with end-to-end communication The STA of ability can receive the discovery poll frame.After STA1 receives the discovery poll frame of AP broadcast, sending out Broadcast in the discovery resource indicated in existing poll frame finds trigger frame, STA2, STA4, STA7, STA10, STA11, STA12 and STA13 are replied to STA1 in OFDMA modes respectively and are found response frame (Discovery Response), STA2, STA4, STA7, STA10, STA11, STA12 and STA13 are random respectively Select a sub-channels to reply to STA1 and find response frame, STA1 is properly received STA2, STA4, STA7 The discovery response frame replied with STA11, finds to ring as STA10 and STA13 selects same subchannel to reply Answer frame, STA6 and STA12 to select same subchannel to reply and find response frame, so STA1 reception STA10, The discovery response frame failure that STA13, STA6 and STA12 are replied, STA1 determine STA2, STA4, STA7 It is the end-to-end communication website of itself with STA11, STA1 difference STA2, STA4, STA7 and STA11 send out Block acknowledgement frame/acknowledgement frame, STA2, STA4, STA7 and STA11 is sent to confirm that STA1 is that the end of itself is arrived respectively End communication site.In the same manner, the end-to-end discovery procedure of STA5 and the end-to-end discovery procedure of STA1 are identical, Here is omitted.
Illustrate (two), in a kind of end-to-end communication website discovery method provided in an embodiment of the present invention, Interaction between first website, the second website and access point (AP) is as shown in Figure 8.Shown in Fig. 8 Discovery procedure with the difference of the discovery procedure shown in Fig. 7 is, in the discovery procedure shown in Fig. 8, AP point After not receiving the discovery claim frame that STA1 and STA5 send, AP by broadcast find poll frame twice come The respective discovery resources of STA1 and STA5 are indicated respectively, i.e. AP is for the first time in the discovery poll frame of broadcast The discovery resource that STA1 marks are associated with STA1 marks is carried, in the discovery poll frame that AP is broadcasted for second Carry the discovery resource that STA5 marks are associated with STA5 marks.In discovery procedure shown in Fig. 8, AP is every Broadcast once finds that poll frame only indicates the discovery resource of a STA, and in the discovery procedure shown in Fig. 7 The respective discovery resources of multiple STA are indicated in the discovery poll frame of AP broadcast.
Illustrate (three), in a kind of end-to-end communication website discovery method provided in an embodiment of the present invention, Interaction between first website, the second website and access point (AP) is as shown in Figure 9.Shown in Fig. 9 Discovery procedure is that AP is wider than 20MHz in whole band with the difference of the discovery procedure shown in Fig. 7, Fig. 8 STA is dispatched on (such as 80MHz) carries out the discovery procedure of end-to-end communication website and uplink user OFDMA Transmitting procedure.In discovery procedure shown in Fig. 9, AP it is whole with a width of 80MHz on send uplink multi-users Trigger frame, the uplink multi-users trigger frame are used to trigger transmitting uplink data.Uplink multi-users trigger frame middle finger Show that each STA sends upstream data to AP on specified running time-frequency resource, uplink multi-users trigger frame includes It was found that the end-to-end communication website discovery procedure of the content of poll frame, i.e. uplink multi-users trigger frame middle finger STA Carry out in specific 20MHz bandwidth, uplink multi-users data biography is carried out in remaining 20MHz bandwidth It is defeated.End-to-end communication website discovery procedure shown in Fig. 9 was found with the end-to-end communication website shown in Fig. 7 Cheng Xiangtong, here is omitted.
Illustrate (four), in a kind of end-to-end communication website discovery method provided in an embodiment of the present invention, Interaction between first website, the second website and access point (AP) is as shown in Figure 10.Shown in Figure 10 Discovery procedure the example above in the difference of discovery procedure be, the end-to-end communication website shown in Figure 10 Discovery procedure is carried out on more than 20MHz bandwidth, and the end-to-end communication website in the example above found Journey is carried out in 20MHz bandwidth.In Figure 10, in the discovery poll frame of AP broadcast, STA1 and STA5 is indicated Respective discovery trigger frame, i.e. the discovery resource of STA1 and STA5 are sent on different 20MHz channels Time domain is identical but frequency domain is different.
Illustrate (five), in a kind of end-to-end communication website discovery method provided in an embodiment of the present invention, BSS configured informations are carried in the discovery trigger frame of the first website broadcast, the BSS configured informations are used for second Website determines the condition for finding response frame that sends, and the second website sends and finds that the condition of response frame includes:Second Website when it is determined that itself meeting the condition of BSS configured informations instruction sends to the first website and finds response Frame.So that 1 bit indicates BSS configured informations as an example, when the BSS configured informations are " strict phases (restrict When status) " (bit being set to 1), representing allows to belong to the second of identical BSS with the first website Website finds response frame to the first station replies, now, shown in such as Figure 11 (a), STA2, STA3, After STA4 and STA5 receive the discovery trigger frame of STA1 transmissions, STA2, STA4 and STA5 can be to STA1 sends and finds response frame, and as STA3 and STA1 are not belonging to identical BSS, therefore STA3 Cannot send to STA1 and find response frame.When the BSS configured informations are " free state (free status) " When (bit is set to 0), representing allows all the second websites with end-to-end communication ability to the One station replies find response frame, now, such as shown in Figure 11 (b), STA2, STA3, STA4 and STA5 After receiving the discovery trigger frame of STA1 transmissions, STA2, STA3, STA4 and STA5 can be to STA1 Send and find response frame.
It should be noted that the first website receives the discovery response frame of the second website transmission in the present embodiment Afterwards, can not be to the second station replies block acknowledgement frame/acknowledgement frame, the first website receives the transmission of the second website It was found that can determine that after response frame that second station point is the end-to-end communication website of itself, the second website is to first stop Point sends after finding response frame and can determine that second station point is the end-to-end communication website of itself.Specific interaction As shown in figure 12, here is omitted for process.
A kind of end-to-end communication website provided in an embodiment of the present invention finds method, is particularly suited for website intensive Scene, the end-to-end communication website discovery procedure that multiple first websites are initiated is uniformly coordinated control by access point System, the first website are obtained for finding resource from access point, and the first website is arrived using the discovery resource originating end End communication site's discovery procedure, therefore avoid and multiple under the intensive scene of website initiate end-to-end communication site and send out There is competition conflict between first website of existing process.First website originating end is to end communication site's discovery procedure Afterwards, the first website can receive the discovery response that multiple second websites send, and then mutual with multiple second websites Mutually determine that opposite end is the end-to-end communication website of itself, improve end-to-end communication website and find efficiency.This Bright embodiment provides a kind of end-to-end communication website and finds that method can be arrived with end-to-end communication link establishment, end The mechanism such as end data transmission are merged, to improve whole net efficiency.
Embodiment two
Based on above example, present invention also offers a kind of first website, first website can be using figure The method that 1 corresponding embodiment is provided, refering to shown in Figure 13, the first website 1300 includes:Transmit-Receive Unit 1301 and processing unit 1302.
Transmit-Receive Unit 1301, finds resource for obtaining from access point, it is found that resource is used for link end to end Transmission;Iting is found that broadcast finds trigger frame in resource, it is single to transmitting-receiving for triggering the second website to find trigger frame Unit 1301 is sent for replying the discovery response frame for finding trigger frame, and the first website and the second website all possess End-to-end communication ability;Receive the discovery response frame of at least one second websites transmission;
Processing unit 1302, for receiving sending out at least one second websites transmission in Transmit-Receive Unit 1301 After existing response frame, the end-to-end communication website that at least one second websites are the first website is determined.
Optionally, Transmit-Receive Unit 1301 from access point obtain find resource when, specifically for:
Send to access point and find claim frame, find claim frame for resource being found to access point acquisition request;
The discovery poll frame of access point broadcast is received, it is found that poll frame carries the mark of the first website and finds money Source.
Optionally, processing unit 1302 is additionally operable to:
Determine that access point broadcast finds the moment of poll frame;
The first website is controlled before the moment for finding poll frame is broadcasted in access point and keeps resting state, accessed Point broadcast finds that the moment of poll frame controls the first website and stays awake for, and is received with Transmit-Receive Unit 1301 It was found that poll frame.
Optionally, Transmit-Receive Unit 1301 is additionally operable to:
The management frame or control frame of access point broadcast are received, management frame or control frame are used to indicate that access point is broadcasted It was found that the moment of poll frame;
Processing unit 1302 it is determined that access point broadcast find poll frame moment when, specifically for:
The management frame received according to Transmit-Receive Unit 1301 or control frame, determine that access point broadcast finds poll frame Moment.
Optionally, it is found that trigger frame carries power threshold, power threshold is used for the second website and determines that transmission finds The condition of response frame, the second website send and find that the condition of response frame includes:Second website is being sent out it is determined that receiving The receiving power of existing trigger frame sends to the first website when being more than or equal to power threshold and finds response frame.
Optionally, it is found that trigger frame carries basic service unit B SS configured information, BSS configured informations are used for Second website determines the condition for finding response frame that sends, and the second website sends and finds that the condition of response frame includes: Second website sends to the first website when it is determined that itself meeting the condition of BSS configured informations instruction and finds to ring Answer frame.
Based on above example, present invention also offers a kind of second website, second website can be using figure The method that 5 corresponding embodiments are provided, refering to shown in Figure 14, the second website 1400 includes:Transmit-Receive Unit 1401 and processing unit 1402.
Transmit-Receive Unit 1401, for receiving the discovery trigger frame of the first website broadcast, it is found that trigger frame is used to refer to Show that Transmit-Receive Unit 1401 is sent for replying the discovery response frame for finding trigger frame, second station to the first website Point and the first website all possess end-to-end communication ability;Send to the first website and find response frame;
Processing unit 1402, after receiving discovery trigger frame in Transmit-Receive Unit 1401, determines first stop End-to-end communication website of the point for the second website.
Optionally, it is found that trigger frame carries power threshold;
Processing unit 1402 is additionally operable to:
Determine that Transmit-Receive Unit 1401 receives receiving power when finding trigger frame;
When it is determined that receiving power is more than or equal to power threshold, control Transmit-Receive Unit 1401 is to the first website Send and find response frame.
Optionally, Transmit-Receive Unit 1401 to the first website send find response frame when, specifically for:
Sent to the first website using OFDM OFDMA modes and find response frame.
Optionally, Transmit-Receive Unit 1401 is additionally operable to:
The discovery poll frame of access point broadcast is received, it is found that poll frame is used to indicate that Transmit-Receive Unit 1401 prepares Receive the discovery trigger frame of the first website broadcast.
Optionally, processing unit 1402 is additionally operable to:
Determine that access point broadcast finds the moment of poll frame;
The second website is controlled before the moment for finding poll frame is broadcasted in access point and keeps resting state, and connect Access point broadcast finds that the moment of poll frame controls the second website and stays awake for, so that Transmit-Receive Unit 1401 Receive and find poll frame.
Optionally, Transmit-Receive Unit 1401 is additionally operable to:
The management frame or control frame of access point broadcast are received, management frame or control frame are used to indicate that access point is broadcasted It was found that the moment of poll frame;
Processing unit 1402 it is determined that access point broadcast find poll frame moment when, specifically for:
The management frame or control frame of the access point broadcast received according to Transmit-Receive Unit 1401, determines that access point is wide Broadcast the moment of existing poll frame.
Optionally, it is found that trigger frame carries basic service unit B SS configured information;
Processing unit 1402 is additionally operable to:
It is determined that the second website meet BSS configured informations instruction condition when, control Transmit-Receive Unit 1401 to First website sends and finds response frame.
Based on above example, present invention also offers a kind of access point, the access point can be using Fig. 6 pair The method that the embodiment answered is provided, refering to shown in Figure 15, access point 1500 includes:Transmit-Receive Unit 1501 With processing unit 1502.
Transmit-Receive Unit 1501, for receiving the discovery claim frame that the first website sends, it is found that claim frame is used for the One site requests are obtained and find resource, it is found that resource is used for the broadcast of the first website and finds trigger frame;
Processing unit 1502, for determining the discovery resource of the first website;
Transmit-Receive Unit 1501, be additionally operable to broadcast find poll frame, find poll frame carry the first site identity and The discovery resource that processing unit 1502 determines, it is found that poll frame is used to indicate that the second website prepares to receive first The discovery trigger frame of website broadcast.
Optionally, Transmit-Receive Unit 1501 is additionally operable to:
Broadcast management frame or control frame, management frame or control frame are used to indicate that the broadcast of Transmit-Receive Unit 1501 finds The moment of poll frame.
It should be noted that being schematic to the division of unit in the embodiment of the present invention, only one kind is patrolled Collect function to divide, when actually realizing, there can be other dividing mode.In addition, in each embodiment of the application In each functional unit can be integrated in a processing unit in, or the independent physics of unit deposit , it is also possible to two or more units are integrated in a unit.Above-mentioned integrated unit can both be adopted Realized with the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If integrated unit using in the form of SFU software functional unit is realized and as independent production marketing or is made Used time, can be stored in a computer read/write memory medium.Based on such understanding, the application's Part that technical scheme is substantially contributed to prior art in other words or the whole of the technical scheme or Part can be embodied in the form of software product, and the computer software product is stored in a storage medium In, use including some instructions so that computer equipment (can be personal computer, server, or Person's network equipment etc.) or processor (processor) perform whole or the portion of the application each embodiment method Step by step.And aforesaid storage medium includes:USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD Etc. it is various can be with the medium of store program codes.
Based on above example, present invention also offers a kind of first website, first website can adopt Fig. 1 The method that corresponding embodiment is provided, can be and the first website identical equipment shown in Figure 13.Refer to Shown in Figure 16, first website 1600 includes:Transceiver 1601, processor 1602, bus 1603 with And memorizer 1604, wherein:
Transceiver 1601, processor 1602 and memorizer 1604 are connected with each other by bus 1603;Always Line 1603 can be Peripheral Component Interconnect standard (peripheral component interconnect, abbreviation PCI) Bus or EISA (extended industry standard architecture, abbreviation EISA) Bus etc..Bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, Figure 16 In only represented with a thick line, it is not intended that only one bus or a type of bus.
Transceiver 1601, finds resource for obtaining from access point, it is found that resource is passed for link end to end It is defeated;Iting is found that broadcast finds trigger frame in resource, iting is found that trigger frame is used to trigger the second website to transceiver 1601 send for replying the discovery response frame for finding trigger frame, and the first website and the second website all possess end and arrive End communication capacity;Receive the discovery response frame of at least one second websites transmission;
Processor 1602, the discovery for the transmission of at least one second websites is received in transceiver 1601 ring After answering frame, the end-to-end communication website that at least one second websites are the first website is determined.
Optionally, transceiver 1601 from access point obtain find resource when, specifically for:
Send to access point and find claim frame, find claim frame for resource being found to access point acquisition request;
The discovery poll frame of access point broadcast is received, it is found that poll frame carries the mark of the first website and finds money Source.
Optionally, processor 1602 is additionally operable to:
Determine that access point broadcast finds the moment of poll frame;
The first website is controlled before the moment for finding poll frame is broadcasted in access point and keeps resting state, accessed Point broadcast finds that the moment of poll frame controls the first website and stays awake for, and is received with transceiver 1601 and is sent out Existing poll frame.
Optionally, transceiver 1601 is additionally operable to:
The management frame or control frame of access point broadcast are received, management frame or control frame are used to indicate that access point is broadcasted It was found that the moment of poll frame;
Processor 1602 it is determined that access point broadcast find poll frame moment when, specifically for:
The management frame received according to transceiver 1601 or control frame, determine that access point broadcast finds poll frame Moment.
Optionally, it is found that trigger frame carries power threshold, power threshold is used for the second website and determines that transmission finds The condition of response frame, the second website send and find that the condition of response frame includes:Second website is being sent out it is determined that receiving The receiving power of existing trigger frame sends to the first website when being more than or equal to power threshold and finds response frame.
Optionally, it is found that trigger frame carries basic service unit B SS configured information, BSS configured informations are used for Second website determines the condition for finding response frame that sends, and the second website sends and finds that the condition of response frame includes: Second website sends to the first website when it is determined that itself meeting the condition of BSS configured informations instruction and finds to ring Answer frame.
First website 1600 also includes memorizer 1604, for depositing program etc..Specifically, program can So that including program code, the program code includes computer-managed instruction.Memorizer 1604 may comprising with Machine access memorizer (random access memory, RAM), it is also possible to also including non-volatile memories Device (non-volatile memory), for example, at least one disk memory.Processor 1602 performs storage The application program deposited by device 1604, realizes as above end-to-end communication website method.
Based on above example, present invention also offers a kind of second website, second website can adopt Fig. 5 The method that corresponding embodiment is provided, can be and the second website identical equipment shown in Figure 14.Refer to Shown in Figure 17, second website 1700 includes:Transceiver 1701, processor 1702, bus 1703 with And memorizer 1704, wherein:
Transceiver 1701, processor 1702 and memorizer 1704 are connected with each other by bus 1703;Always Line 1703 can be pci bus or eisa bus etc..Bus can be divided into address bus, data/address bus, Controlling bus etc..For ease of representing, only represented with a thick line in Figure 17, it is not intended that only one Bus or a type of bus.
Transceiver 1701, for receiving the discovery trigger frame of the first website broadcast, it is found that trigger frame is used to indicate Transceiver 1701 to the first website send for reply find trigger frame discovery response frame, the second website and First website all possesses end-to-end communication ability;Send to the first website and find response frame;
Processor 1702, after receiving discovery trigger frame in transceiver 1701, determines that the first website is The end-to-end communication website of the second website.
Optionally, it is found that trigger frame carries power threshold;
Processor 1702 is additionally operable to:
Determine that transceiver 1701 receives receiving power when finding trigger frame;
When it is determined that receiving power is more than or equal to power threshold, control transceiver 1701 is sent out to the first website Send discovery response frame.
Optionally, transceiver 1701 to the first website send find response frame when, specifically for:
Sent to the first website using OFDM OFDMA modes and find response frame.
Optionally, transceiver 1701 is additionally operable to:
The discovery poll frame of access point broadcast is received, it is found that poll frame is used to indicate that transceiver 1701 prepares to connect Receive the discovery trigger frame of the first website broadcast.
Optionally, processor 1702 is additionally operable to:
Determine that access point broadcast finds the moment of poll frame;
The second website is controlled before the moment for finding poll frame is broadcasted in access point and keeps resting state, and connect Access point broadcast finds that the moment of poll frame controls the second website and stays awake for, so that transceiver 1701 connects The existing poll frame of transmitting-receiving.
Optionally, transceiver 1701 is additionally operable to:
The management frame or control frame of access point broadcast are received, management frame or control frame are used to indicate that access point is broadcasted It was found that the moment of poll frame;
Processor 1702 it is determined that access point broadcast find poll frame moment when, specifically for:
The management frame or control frame of the access point broadcast received according to transceiver 1701, determines that access point is broadcasted It was found that the moment of poll frame.
Optionally, it is found that trigger frame carries basic service unit B SS configured information;
Processor 1702 is additionally operable to:
When it is determined that the second website meets the condition of BSS configured informations instruction, control transceiver 1701 is to the One website sends and finds response frame.
Second website 1700 also includes memorizer 1704, for depositing program etc..Specifically, program can So that including program code, the program code includes computer-managed instruction.Memorizer 1704 may be included RAM, it is also possible to also including nonvolatile memory, for example, at least one disk memory.Processor 1702 The application program deposited by memorizer 1704 is performed, realizes that as above end-to-end communication website finds method.
Based on above example, present invention also offers a kind of access point, the access point can be using Fig. 6 correspondences Embodiment provide method, can be and the access point identical equipment shown in Figure 15.Refering to Figure 18 institutes Show, the access point 1800 includes:Transceiver 1801, processor 1802, bus 1803 and memorizer 1804, wherein:
Transceiver 1801, processor 1802 and memorizer 1804 are connected with each other by bus 1803;Always Line 1803 can be pci bus or eisa bus etc..Bus can be divided into address bus, data/address bus, Controlling bus etc..For ease of representing, only represented with a thick line in Figure 18, it is not intended that only one Bus or a type of bus.
Transceiver 1801, for receiving the discovery claim frame that the first website sends, it is found that claim frame is used for first Site requests are obtained and find resource, it is found that resource is used for the broadcast of the first website and finds trigger frame;
Processor 1802, for determining the discovery resource of the first website;
Transceiver 1801, is additionally operable to broadcast and finds poll frame, it is found that poll frame carries the first site identity and place The discovery resource that reason device 1802 determines, it is found that poll frame is used to indicate that the second website prepares to receive the first website The discovery trigger frame of broadcast.
Optionally, transceiver 1801 is additionally operable to:
Broadcast management frame or control frame, management frame or control frame are used to indicate that the broadcast of transceiver 1801 finds wheel Ask the moment of frame.
The access point 1800 also includes memorizer 1804, for depositing program etc..Specifically, program can be with Including program code, the program code includes computer-managed instruction.Memorizer 1804 may include RAM, It is likely to also include nonvolatile memory, for example, at least one disk memory.Processor 1802 is performed The application program deposited by memorizer 1804, realizes that as above end-to-end communication website finds method.
Technical scheme provided in an embodiment of the present invention is particularly suited for the intensive scene of website, multiple first websites The end-to-end communication website discovery procedure of initiation is uniformly coordinated control by access point, and the first website is obtained from access point Take in resource is found, the first website initiates end-to-end communication site's discovery procedure using the discovery resource, because This is avoided under the intensive scene of website between multiple the first websites for initiating end-to-end communication site's discovery procedure Generation competition conflict.To after the communication site's discovery procedure of end, the first website can be received first website originating end The discovery response that multiple second websites send, and then determine that mutually opposite end is the end of itself with multiple second websites To end communication site, improve end-to-end communication website and find efficiency.The embodiment of the present invention provides a kind of end and arrives End communication site finds that method can be with the fusion of the mechanism such as end-to-end communication link establishment, end-to-end data transfer Together, improving whole net efficiency.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot The form of the embodiment in terms of conjunction software and hardware.And, the present invention can be using wherein wrapping at one or more Computer-usable storage medium containing computer usable program code (including but not limited to disk memory, CD-ROM, optical memory etc.) on the form of computer program implemented.
The present invention be with reference to method according to embodiments of the present invention, equipment (system), and computer program produce The flow chart and/or block diagram of product is describing.It should be understood that can by computer program instructions flowchart and / or block diagram in each flow process and/or square frame and flow chart and/or the flow process in block diagram and/ Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedded The processor of formula datatron or other programmable data processing devices is producing a machine so that by calculating The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one The device of the function of specifying in individual flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and computer or other programmable datas process can be guided to set In the standby computer-readable memory for working in a specific way so that be stored in the computer-readable memory Instruction produce and include the manufacture of command device, command device realization is in one flow process or multiple of flow chart The function of specifying in one square frame of flow process and/or block diagram or multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices, made Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one The step of function of specifying in flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
, but those skilled in the art once know base although preferred embodiments of the present invention have been described This creative concept, then can make other change and modification to these embodiments.So, appended right will Ask and be intended to be construed to include preferred embodiment and fall into the had altered of the scope of the invention and change.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the embodiment of the present invention The spirit and scope of inventive embodiments.So, if these modifications of the embodiment of the present invention and modification belong to this Within the scope of invention claim and its equivalent technologies, then the present invention is also intended to comprising these changes and modification Including.

Claims (30)

1. a kind of end-to-end communication website finds method, it is characterised in that include:
First website is obtained from access point and finds resource, and the discovery resource is used for link transmission end to end;
First website broadcast in the discovery resource finds trigger frame, and the discovery trigger frame is used to touch Send out the second website to send for replying the discovery response frame for finding trigger frame to first website, it is described First website and second website all possess end-to-end communication ability;
The discovery response frame that the first website reception, at least one second websites send, and described in determining at least One the second website is the end-to-end communication website of itself.
2. the method for claim 1, it is characterised in that first website is obtained from access point It was found that resource, including:
First website sends to described access point and finds claim frame, and the discovery claim frame is for described Resource is found described in access point acquisition request;
First website receives the discovery poll frame of described access point broadcast, and the discovery poll frame carries institute State the mark and the discovery resource of the first website.
3. method as claimed in claim 2, it is characterised in that also include:
First website determines the described access point broadcast moment for finding poll frame;
First website kept dormancy shape before the described access point broadcast moment for finding poll frame State, stays awake at the described access point broadcast moment for finding poll frame, to receive the discovery Poll frame.
4. method as claimed in claim 3, it is characterised in that first website determines the access The point broadcast moment for finding poll frame, including:
First website receives the management frame of described access point broadcast or control frame, the management frame or control Frame is used to indicate the described access point broadcast moment for finding poll frame;
According to the management frame or control frame, first website determines that described access point broadcast is described and finds wheel Ask the moment of frame.
5. the method for claim 1, it is characterised in that the discovery trigger frame carries power door Limit, the power threshold are used for second website and determine the condition for finding response frame that sends, and described the Two websites send the condition for finding response frame to be included:Second website is being touched it is determined that receiving the discovery The receiving power for sending out frame sends the discovery sound to first website more than or equal to during the power threshold Answer frame.
6. the method for claim 1, it is characterised in that the discovery trigger frame carries basic clothes Business unit B SS configured information, the BSS configured informations are used for second website determination and send described sending out The condition of existing response frame, second website sends the condition for finding response frame to be included:The second station Point sends to first website when it is determined that itself meeting the condition of the BSS configured informations instruction and finds Response frame.
7. a kind of end-to-end communication website finds method, it is characterised in that include:
Second website receives the discovery trigger frame of the first website broadcast, and the discovery trigger frame is described for indicating Second website is sent for replying the discovery response frame for finding trigger frame to first website, and described the Two websites and first website all possess end-to-end communication ability;
Second website sends the discovery response frame to first website, and
Determine that first website is the end-to-end communication website of itself.
8. method as claimed in claim 7, it is characterised in that the discovery trigger frame carries power door Limit;
Second website sends the discovery response frame to first website, including:
Second website determines receiving power when receiving the discovery trigger frame;
Second website when it is determined that the receiving power is more than or equal to the power threshold, to described the One website sends the discovery response frame.
9. method as claimed in claim 7 or 8, it is characterised in that second website is to described One website sends the discovery response frame, including:
Second website sends described to first website using OFDM OFDMA modes It was found that response frame.
10. method as claimed in claim 7, it is characterised in that also include:
Second website receives the discovery poll frame of access point broadcast, and the discovery poll frame is used to indicate institute State the second website to prepare to receive the discovery trigger frame of the first website broadcast.
11. methods as claimed in claim 10, it is characterised in that also include:
Second website determines the described access point broadcast moment for finding poll frame;
Second website kept dormancy shape before the described access point broadcast moment for finding poll frame State, and stay awake at the described access point broadcast moment for finding poll frame, to receive described sending out Existing poll frame.
12. methods as claimed in claim 11, it is characterised in that connect described in the second website determination The access point broadcast moment for finding poll frame, including:
The management frame or control frame that second website is broadcasted according to described access point determines that described access point is wide Broadcast the moment for finding poll frame.
13. methods as claimed in claim 7, it is characterised in that the discovery trigger frame carries basic clothes Business unit B SS configured information;
Second website sends the discovery response frame to first website, including:
Second website when it is determined that itself meeting the condition that the BSS configured informations are indicated, to described the One website sends and finds response frame.
A kind of 14. end-to-end communication websites find method, it is characterised in that include:
Access point receives the discovery claim frame that the first website sends, and the discovery claim frame is used for the first stop Point acquisition request finds resource, and the discovery resource is used for first website broadcast and finds trigger frame;
Described access point broadcast finds poll frame, and the discovery poll frame carries first site identity and institute Discovery resource is stated, the discovery poll frame is used to indicate that the second website prepares to receive the first website broadcast The discovery trigger frame.
15. methods as claimed in claim 14, it is characterised in that also include:
Described access point broadcast management frame or control frame, the management frame or control frame are used to indicate the access The point broadcast moment for finding poll frame.
16. a kind of first websites, it is characterised in that include:
Transmit-Receive Unit, finds resource for obtaining from access point, and the discovery resource is used for link end to end Transmission;The broadcast in the discovery resource finds trigger frame, and the discovery trigger frame is used to trigger the second website To the Transmit-Receive Unit send for reply it is described find trigger frame discovery response frame, first website and Second website all possesses end-to-end communication ability;Receive the discovery response of at least one second websites transmission Frame;
Processing unit, for the discovery response of at least one second websites transmission is received in the Transmit-Receive Unit After frame, the end-to-end communication website that described at least one second websites are first website is determined.
17. first websites as claimed in claim 16, it is characterised in that the Transmit-Receive Unit is from connecing Access point is obtained when finding resource, specifically for:
To described access point send find claim frame, the discovery claim frame for described access point request obtain Take the discovery resource;
The discovery poll frame of described access point broadcast is received, the discovery poll frame carries first website Mark and the discovery resource.
18. first websites as claimed in claim 17, it is characterised in that the processing unit is additionally operable to:
Determine the described access point broadcast moment for finding poll frame;
First website was controlled before the described access point broadcast moment for finding poll frame to keep stopping Dormancy state, controls first website at the described access point broadcast moment for finding poll frame and keeps waking up State, receives the discovery poll frame with the Transmit-Receive Unit.
19. first websites as claimed in claim 18, it is characterised in that
The Transmit-Receive Unit is additionally operable to:
The management frame or control frame of described access point broadcast are received, the management frame or control frame are used to indicate institute State the access point broadcast moment for finding poll frame;
The processing unit is when it is determined that described access point broadcasts the moment of the discovery poll frame, concrete to use In:
The management frame received according to the Transmit-Receive Unit or control frame, determine that described access point broadcast is described It was found that the moment of poll frame.
20. first websites as claimed in claim 16, it is characterised in that the discovery trigger frame is carried Power threshold, the power threshold are used for second website and determine the condition for sending the discovery response frame, Second website sends the condition for finding response frame to be included:Second website is it is determined that receive described It was found that sending described to first website when receiving power of trigger frame is more than or equal to the power threshold It was found that response frame.
21. first websites as claimed in claim 16, it is characterised in that the discovery trigger frame is carried Basic service unit B SS configured information, the BSS configured informations are used for second website and determine transmission The condition for finding response frame, second website sends the condition for finding response frame to be included:It is described Second website is sent out to first website when it is determined that itself meeting the condition of the BSS configured informations instruction Send discovery response frame.
22. a kind of second websites, it is characterised in that include:
Transmit-Receive Unit, for receiving the discovery trigger frame of the first website broadcast, the discovery trigger frame is used to refer to Show that the Transmit-Receive Unit is sent for replying the discovery response frame for finding trigger frame to first website, Second website and first website all possess end-to-end communication ability;Institute is sent to first website State discovery response frame;
Processing unit, after receiving the discovery trigger frame in the Transmit-Receive Unit, determines described first Website is the end-to-end communication website of second website.
23. second websites as claimed in claim 22, it is characterised in that the discovery trigger frame is carried Power threshold;
The processing unit is additionally operable to:
Determine that the Transmit-Receive Unit receives receiving power when finding trigger frame;
When it is determined that the receiving power is more than or equal to the power threshold, the Transmit-Receive Unit is controlled to institute State the first website and send the discovery response frame.
24. the second websites as described in claim 22 or 23, it is characterised in that the Transmit-Receive Unit exists When sending the discovery response frame to first website, specifically for:
The discovery response frame is sent to first website using OFDM OFDMA modes.
25. second websites as claimed in claim 22, it is characterised in that the Transmit-Receive Unit is additionally operable to:
The discovery poll frame of access point broadcast is received, the discovery poll frame is used to indicate that the Transmit-Receive Unit is accurate The standby discovery trigger frame for receiving the first website broadcast.
26. second websites as claimed in claim 25, it is characterised in that the processing unit is additionally operable to:
Determine the described access point broadcast moment for finding poll frame;
Second website was controlled before the described access point broadcast moment for finding poll frame to keep stopping Dormancy state, and keep calling out in described access point broadcast moment control second website for finding poll frame Awake state, so that the Transmit-Receive Unit receives the discovery poll frame.
27. second websites as claimed in claim 26, it is characterised in that
The Transmit-Receive Unit is additionally operable to:
The management frame or control frame of described access point broadcast are received, the management frame or control frame are used to indicate institute State the access point broadcast moment for finding poll frame;
The processing unit is when it is determined that described access point broadcasts the moment of the discovery poll frame, concrete to use In:
The management frame or control frame of the described access point broadcast received according to the Transmit-Receive Unit, it is determined that described connect The access point broadcast moment for finding poll frame.
28. second websites as claimed in claim 22, it is characterised in that the discovery trigger frame is carried Basic service unit B SS configured information;
The processing unit is additionally operable to:
When it is determined that second website meets the condition that the BSS configured informations are indicated, the transmitting-receiving is controlled Unit sends to first website and finds response frame.
29. a kind of access points, it is characterised in that include:
Transmit-Receive Unit, for receiving the discovery claim frame that the first website sends, the discovery claim frame is used for institute State the first website acquisition request and find resource, the discovery resource is used for first website broadcast and finds triggering Frame;
Processing unit, for determining the discovery resource of first website;
The Transmit-Receive Unit, is additionally operable to broadcast and finds poll frame, and the discovery poll frame carries the first stop The discovery resource that point identification and the processing unit determine, the discovery poll frame are used to indicate second station Point prepares the discovery trigger frame for receiving the first website broadcast.
30. access points as claimed in claim 29, it is characterised in that the Transmit-Receive Unit is additionally operable to:
Broadcast management frame or control frame, the management frame or control frame are used to indicate the Transmit-Receive Unit broadcast institute State the moment for finding poll frame.
CN201510602863.0A 2015-09-21 2015-09-21 End-to-end communication site discovery method, site and access point Active CN106550343B (en)

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