CN105991242A - Data transmitting method and receiving method, transmitting device, and receiving device - Google Patents
Data transmitting method and receiving method, transmitting device, and receiving device Download PDFInfo
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- CN105991242A CN105991242A CN201510098475.3A CN201510098475A CN105991242A CN 105991242 A CN105991242 A CN 105991242A CN 201510098475 A CN201510098475 A CN 201510098475A CN 105991242 A CN105991242 A CN 105991242A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/04—Wireless resource allocation
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Abstract
The invention provides a data transmitting method and receiving method, a transmitting device, and a receiving device. The data transmitting method comprises a step of obtaining a first number of parallel channel resources, wherein the parallel channel resources are used for sending data to a single target receiving station, a step of processing the above data as a second number of physical layer service data units, wherein the second number is two or two, and a step of sending a wireless frame comprising a second number of physical layer service data units in the first number of parallel channel resources. Through the invention, the problem of the low data transmission efficiency of a single user in the related technology is solved, and the effect of improving the data transmission efficiency with the single user is achieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of data transmission method for uplink, method of reseptance, transmission
Device and reception device.
Background technology
At present, in field of wireless, various network technologies develop rapidly, with WLAN (Wireless
Local, referred to as WLAN) as a example by, 802.11n introduces multiple-input and multiple-output (Multiple Input Multiple
Output, referred to as MIMO) and beamforming technique, support to be up to the data rate of 600Mbps, 802.11ac
Task groups it is further proposed that the concept of very high handling capacity (Very High throughput, referred to as VHT),
By introducing the technology such as MIMO of bigger channel width, higher order, data rate can reach 1Gbps
Above.But, with the increase of network density and increasing of number of users, the efficiency of wlan network can go out
The trend being now decreased obviously, the problem of network efficiency can not be solved by improving transfer rate merely.Therefore,
Ieee standard tissue has been set up TGax group of task and has been devoted to solve wlan network efficiency.
In WLAN, an access point website (access point, referred to as AP) and related to this AP
Multiple non-access point websites (non-AP Station, referred to as non-AP STA) of connection constitute one substantially
Services set (basic service set, referred to as BSS), as it is shown in figure 1, Fig. 1 is the BSS in correlation technique
Structure chart.Multi-user parallel transmission pattern defined in correlation technique so that multiple non-AP STA and AP enter
Row parallel communications, including AP is descending sends data to multiple STA, multiple STA are up is sent simultaneously to AP,
Parallel transmission technology includes OFDMA and MU-MIMO.But for single user transmission, i.e. single non-AP
The communication optimization of STA and AP is not enough, is encapsulated in a physics to the data of unique user in single user transmission
In layer service data unit, there is a problems with:
1st, for physical layer, a physical layer service data sends on all channel resources, and it is adjusted
System sends parameter with coding strategy (Modulation and Coding scheme, referred to as MCS) etc. and wants root
Determine according to worst channel resource, channel usage rate variance.
2nd, for medium education (Media Access Control, referred to as MAC) layer, a thing
Reason layer service data unit can only accommodate the data of a Business Stream, and multiple Business Streams need repeatedly to compete to send
Respective data, competition expense is big, the particularly business of small data packets.
In a word, in correlation technique to single user be transmitted without further improve, with big bandwidth multiple antennas skill
The application of art, the poor efficiency of single user transmission can reduce the performance of whole network.
For problem low with the data transmission efficiency of unique user present in correlation technique, not yet propose at present
Effective solution.
Content of the invention
The invention provides a kind of data transmission method for uplink, method of reseptance, dispensing device and receive device, with at least
Problem low with the data transmission efficiency of unique user present in solution correlation technique.
According to an aspect of the invention, it is provided a kind of data transmission method for uplink, comprising: obtain the first quantity
Parallel channel resource, wherein, described parallel channel resource is for sending data to single purpose receiving station；By institute
Stating data and being processed as the physical layer service data of the second quantity, wherein, described second quantity is at least two；
The described parallel channel resource of described first quantity sends the described physical layer including described second quantity
The radio frames of service data unit.
Further, each the parallel channel resource in the described parallel channel resource of described first quantity is right respectively
Ying Yuyi group sends parameter；And/or, each in the described physical layer service data of described second quantity
Physical layer service data corresponds respectively to one group and sends parameter；Wherein, described transmission parameter includes sending work(
Rate and/or modulation coding mode.
Further, the signaling territory in the physical layer frame head of described radio frames indicates at least one following information:
Each parallel channel resource corresponding transmission parameter in the described parallel channel resource of described first quantity；Described
The corresponding transmission of each physical layer service data in the described physical layer service data of the second quantity
Parameter；The described parallel channel resource of described first quantity and the described Physical Layer Service Data of described second quantity
The corresponding relation of unit；The mark of described single purpose receiving station.
Further, the described physical layer service data of described second quantity includes at least one of: will
It is sent at least two Business Stream in the described data of described single purpose receiving station or at least two accesses class
In at least two data block be polymerized at least two physical layer service data, wherein each physical layer services
Data cell comprises the multiple data blocks in same Business Stream or same access class；Described single purpose will be sent to
One of the described data of receiving station data block segmentation is one or more physical layer service data；To send out
One of the described data giving described single purpose receiving station Business Stream or the many numbers accessing in class
It is polymerized to one or more physical layer service data according to block.
Further, in the described parallel channel resource of described first quantity, transmission includes described second quantity
Described physical layer service data radio frames before, also include: to described single purpose receiving station send
The described physical layer services of described parallel channel resource and described second quantity for notifying described first quantity
The signaling frame of the corresponding relation of data cell.
Further, in the described physical layer service data of described second quantity include at least primary service flow or
Data in main business class.
Further, described parallel channel resource includes at least one of: OFDM OFDMA
Subchannel in subchannel in system, frequency division multiple access FDMA system, multiple-input and multiple-output MIMO transmission
In spatial flow, empty in multiple-input and multiple-output MIMO transmission when stream.
According to a further aspect in the invention, a kind of data receiver method is provided, comprising: determine the first quantity
Parallel channel resource, wherein, described parallel channel resource for receive dispatching station send include the second quantity
The radio frames of physical layer service data, described second quantity is at least two, the institute of described second quantity
State physical layer service data for needing the data sending to obtain after processing to described dispatching station；Really
Described radio frames is received in the described parallel channel resource of fixed described first quantity.
Further, it is determined that the described parallel channel resource of described first quantity includes: according to described first quantity
Described parallel channel resource and the corresponding relation of described physical layer service data of described second quantity true
The described parallel channel resource of fixed described first quantity, wherein, described corresponding relation in the following way at least it
One obtains: by obtaining instruction in the signaling territory in the physical layer frame head of described radio frames in main channel resource
The mode of described corresponding relation；By in main channel resource obtain described dispatching station send in advance for leading to
Know the described parallel channel resource of described first quantity and the described Physical Layer Service Data list of described second quantity
The mode of the signaling frame of the corresponding relation of unit.
Further, determine described first quantity described parallel channel resource on receive described radio frames it
After, also include: obtain the described data comprising in described radio frames；Send to described dispatching station and be used for identifying institute
State the response frame of the acquisition result of data.
Further, the response frame sending for the acquisition result that identifies described data to described dispatching station includes:
Utilize at least one following manner to described dispatching station transmitted in parallel for the described physical layer of described second quantity
Multiple response frames of service data unit: OFDM OFDMA, frequency division multiple access FDMA, multi input
Multi output MIMO.
Further, each the parallel channel resource in the described parallel channel resource of described first quantity is right respectively
Ying Yuyi group sends parameter；And/or, each in the described physical layer service data of described second quantity
Physical layer service data corresponds respectively to one group and sends parameter；Wherein, described transmission parameter includes sending work(
Rate and/or modulation coding mode.
Further, the signaling territory in the physical layer frame head of described radio frames indicates at least one following information:
Each parallel channel resource corresponding transmission parameter in the described parallel channel resource of described first quantity；Described
The corresponding transmission of each physical layer service data in the described physical layer service data of the second quantity
Parameter；The described parallel channel resource of described first quantity and the described Physical Layer Service Data of described second quantity
The corresponding relation of unit；For receiving the mark of the single purpose receiving station of described radio frames.
Further, the described physical layer service data of described second quantity includes at least one of: will
At least two Business Stream in described data or at least two access at least two data block in class be polymerized to
Few two physical layer service data, wherein each physical layer service data comprises same Business Stream or same
Multiple data blocks in one access class；It is one or more physical layers by one of described data data block segmentation
Service data unit；One of described data Business Stream or the multiple data blocks accessing in class are polymerized to
One or more physical layer service data.
Further, in the described physical layer service data of described second quantity include at least primary service flow or
Data in main business class.
Further, described parallel channel resource includes at least one of: OFDM OFDMA
Subchannel in subchannel in system, frequency division multiple access FDMA system, multiple-input and multiple-output MIMO transmission
In spatial flow, empty in multiple-input and multiple-output MIMO transmission when stream.
According to a further aspect in the invention, a kind of data sending device is provided, comprising: the first acquisition module,
For obtaining the parallel channel resource of the first quantity, wherein, described parallel channel resource is for connecing to single purpose
Receive station and send data；Processing module, for being processed as the Physical Layer Service Data list of the second quantity by described data
Unit, wherein, described second quantity is at least two；First sending module, for the institute in described first quantity
State and in parallel channel resource, send described physical layer service data wireless including described second quantity
Frame.
Further, described device also includes: the second sending module, for sending out to described single purpose receiving station
Send the described physical layer clothes of the described parallel channel resource for notifying described first quantity and described second quantity
The signaling frame of the corresponding relation of business data cell.
According to a further aspect in the invention, provide a kind of data sink, comprising: determining module, be used for
Determining the parallel channel resource of the first quantity, wherein, described parallel channel resource is for receiving what dispatching station sent
Including the radio frames of the physical layer service data of the second quantity, described second quantity is at least two, institute
State the described physical layer service data of the second quantity for needing described dispatching station at the data sending
Obtain after reason；Receiver module, for receiving in the described parallel channel resource of described first quantity determining
Described radio frames.
Further, described determining module comprises determining that unit, is used for according to described first quantity simultaneously
The corresponding relation of the described physical layer service data of row channel resource and described second quantity determines described
The described parallel channel resource of one quantity, wherein, described corresponding relation obtains at least one in the following way:
By described in instruction in the signaling territory in the physical layer frame head of the described radio frames obtaining in main channel resource
The mode of corresponding relation；By in main channel resource obtain described dispatching station send in advance for notifying
State the described parallel channel resource of the first quantity and the described physical layer service data of described second quantity
The mode of the signaling frame of corresponding relation.
Further, described device also includes: the second acquisition module, comprises in described radio frames for obtaining
Described data；3rd sending module, for sending the acquisition result for identifying described data to described dispatching station
Response frame.
By the present invention, use the parallel channel resource obtaining the first quantity, wherein, described parallel channel resource
For sending data to single purpose receiving station；Described data are processed as the Physical Layer Service Data of the second quantity
Unit, wherein, described second quantity is at least two；In the described parallel channel resource of described first quantity
Send the radio frames of the described physical layer service data including described second quantity, solve correlation technique
Present in the problem low with the data transmission efficiency of unique user, and then reached the number of raising and unique user
Effect according to efficiency of transmission.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application,
The schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.
In the accompanying drawings:
Fig. 1 is the BSS structure chart in correlation technique；
Fig. 2 is the flow chart of data transmission method for uplink according to embodiments of the present invention；
Fig. 3 is the flow chart of data receiver method according to embodiments of the present invention；
Fig. 4 is the structured flowchart of data sending device according to embodiments of the present invention；
Fig. 5 is the preferred structure block diagram of data sending device according to embodiments of the present invention；
Fig. 6 is the structured flowchart of data sink according to embodiments of the present invention；
Fig. 7 is the structured flowchart of determining module 62 in data sink according to embodiments of the present invention；
Fig. 8 is the preferred structure block diagram of data sink according to embodiments of the present invention；
Fig. 9 is the single user multiple data unit transmission schematic diagram of according to embodiments of the present invention 2；
Figure 10 is the single user multiple data unit transmission schematic diagram of according to embodiments of the present invention 3.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that do not rushing
In the case of prominent, the embodiment in the application and the feature in embodiment can be mutually combined.
Providing a kind of data transmission method for uplink in the present embodiment, Fig. 2 is that data according to embodiments of the present invention are sent out
The flow chart of delivery method, as in figure 2 it is shown, this flow process comprises the steps:
Step S202, obtains the parallel channel resource of the first quantity, wherein, this parallel channel resource for
Single purpose receiving station sends data；
Above-mentioned data are processed as the physical layer service data of the second quantity, wherein, are somebody's turn to do by step S204
Second quantity is at least two；
Step S206, sends the physical layer clothes including the second quantity in the parallel channel resource of the first quantity
The radio frames of business data cell.
Wherein, above-mentioned steps S202 and step S204 there is no sequencing, can first obtain the first quantity
Parallel channel resource, then process data into the physical layer service data of the second quantity, it is also possible to first by number
According to the physical layer service data being processed as the second quantity, then obtain the parallel channel resource of the first quantity, when
So, the two also can be carried out simultaneously.By above-mentioned steps, split data into multiple physical layer service data
Transmitted in parallel, can adapt to different channel resource quality, and then improves channel utilization, solve related skill
Problem low with the data transmission efficiency of unique user present in art, and then reached raising and unique user
The effect of data transmission efficiency.
Each parallel channel money in an optional embodiment, in the parallel channel resource of above-mentioned first quantity
Source corresponds respectively to one group and sends parameter；And/or, in the physical layer service data of above-mentioned second quantity
Each physical layer service data corresponds respectively to one group and sends parameter；Wherein, send parameter to include sending work(
Rate and/or modulation coding mode.
Signaling territory in the physical layer frame head of above-mentioned radio frames can indicate much information, an optional reality
Execute in example, the signaling territory in the physical layer frame head of above-mentioned radio frames can indicate at least one following information: the
Each parallel channel resource corresponding transmission parameter in the parallel channel resource of one quantity；The physics of the second quantity
Each physical layer service data corresponding transmission parameter in layer service data unit；First quantity parallel
The corresponding relation of the physical layer service data of channel resource and the second quantity；The mark of single purpose receiving station.
In an optional embodiment, the physical layer service data of above-mentioned second quantity include following at least
One of: access at least two Business Stream in the data being sent to single purpose receiving station or at least two in class
At least two data block be polymerized at least two physical layer service data, wherein each physical layer services number
Comprise the multiple data blocks in same Business Stream or same access class according to unit；Single purpose receiving station will be sent to
One of data data block segmentation be one or more physical layer service data；Single mesh will be sent to
One of the data of receiving station Business Stream or the multiple data blocks accessing in class be polymerized to one or many
Individual physical layer service data.
In an optional embodiment, the parallel channel resource of the first quantity sends and includes the second quantity
Physical layer service data radio frames before, also include: to single purpose receiving station send be used for notifying
The signaling of the corresponding relation of the physical layer service data of the parallel channel resource of the first quantity and the second quantity
Frame.Wherein, in order to reduce signaling consumption, can be in the signaling territory in the physical layer frame head when above-mentioned radio frames
Do not comprise the parallel channel resource of the first quantity and the corresponding relation of the physical layer service data of the second quantity
During information, retransmit this signaling frame.Signaling territory in the physical layer frame head of above-mentioned radio frames does not comprise first
During the correspondence relationship information of the physical layer service data of the parallel channel resource of quantity and the second quantity, it is possible to
To send this signaling frame, the secondary to realize corresponding relation verifies, and improves the accuracy of data receiver.
Wherein, the physical layer service data of above-mentioned second quantity includes at least primary service flow or main business class
In data.
Above-mentioned parallel channel resource can include at least one of: in OFDM OFDMA system
Subchannel, the subchannel in frequency division multiple access FDMA system, the sky in multiple-input and multiple-output MIMO transmission
Between stream, empty in multiple-input and multiple-output MIMO transmission when flow.
Fig. 3 is the flow chart of data receiver method according to embodiments of the present invention, as it is shown on figure 3, this data connect
Receiving method comprises the steps:
Step S302, determines the parallel channel resource of the first quantity, and wherein, this parallel channel resource is used for connecing
Receiving and dispatching the radio frames of the physical layer service data including the second quantity sending that sees off, this second quantity is
At least two, the physical layer service data of this second quantity is for needing to dispatching station at the data sending
Obtain after reason；
Step S304, receives this radio frames in the parallel channel resource of the first quantity determining.
By above-mentioned steps, receive multiple physical layer service data of dispatching station transmitted in parallel to obtain transmission
The data that needs of standing send over, so that the transmission of data can adapt to different channel resource quality, enter
And improve channel utilization, solve low the asking with the data transmission efficiency of unique user present in correlation technique
Topic, and then reached the effect of raising and the data transmission efficiency of unique user.
When determining the parallel channel resource of the first quantity, can there is multiple determination mode, for the first quantity
The determination of parallel channel resource is physical layer frame head signaling territory or the signaling of the radio frames being sent by sender
Frame determines, wherein, the recipient for receiving above-mentioned radio frames can carry out nothing in main channel resource always
The detection of line frame, sender is included in main letter for the transmission of above-mentioned signaling frame or physical layer frame head signaling territory
Transmission on road, after recipient detects the instruction in above-mentioned signaling territory on the primary channel or signaling frame, just may be used
To determine the parallel channel resource shared by data radio frames.Therefore, in an optional embodiment, really
When determining the parallel channel resource of the first quantity, can be in the following way: the parallel channel money according to the first quantity
The corresponding relation of the physical layer service data of source and the second quantity determines the parallel channel resource of the first quantity,
Wherein, this corresponding relation obtains at least one in the following way: wireless by obtain in main channel resource
The mode of the corresponding relation of instruction in signaling territory in the physical layer frame head of frame；By obtaining in main channel resource
The physical layer clothes for notifying the parallel channel resource of the first quantity and the second quantity that send in advance of dispatching station
The mode of the signaling frame of the corresponding relation of business data cell.
In an optional embodiment, the parallel channel resource of the first quantity determining receive above-mentioned wireless
After frame, also include: obtain the above-mentioned data comprising in this radio frames；Send to dispatching station and be used for identifying this number
According to the response frame of acquisition result.
Wherein, the response frame sending for the acquisition result that identifies data to dispatching station includes: utilize following manner
At least one to this dispatching station transmitted in parallel for multiple responses of the physical layer service data of the second quantity
Frame: OFDM OFDMA, frequency division multiple access FDMA, multiple-input and multiple-output MIMO.
Each parallel channel money in an optional embodiment, in the parallel channel resource of above-mentioned first quantity
Source corresponds respectively to one group and sends parameter；And/or, in the physical layer service data of above-mentioned second quantity
Each physical layer service data corresponds respectively to one group and sends parameter；Wherein, this transmission parameter includes sending
Power and/or modulation coding mode.
Signaling territory in the physical layer frame head of above-mentioned radio frames can indicate at least one following information: first counts
Each parallel channel resource corresponding transmission parameter in the parallel channel resource of amount；The physical layer clothes of the second quantity
Each physical layer service data corresponding transmission parameter in business data cell；The parallel channel of the first quantity
The corresponding relation of the physical layer service data of resource and the second quantity；For receiving the single purpose of radio frames
The mark of receiving station.
The physical layer service data of above-mentioned second quantity includes at least one of: by least two in data
At least two data block that individual Business Stream or at least two access in class is polymerized at least two physical layer services number
According to unit, wherein each physical layer service data comprises the many numbers in same Business Stream or same access class
According to block；It is one or more physical layer service data by one of data data block segmentation；By in data
A Business Stream or the multiple data blocks accessing in class be polymerized to one or more Physical Layer Service Data
Unit.
Wherein, the physical layer service data of above-mentioned second quantity includes at least primary service flow or main business class
In data.
In an optional embodiment, above-mentioned parallel channel resource includes at least one of: orthogonal frequency is many
Subchannel in subchannel in the OFDMA system of location, frequency division multiple access FDMA system, multiple-input and multiple-output
Stream during empty in the spatial flow in MIMO transmission, multiple-input and multiple-output MIMO transmission.
Additionally providing a kind of data sending device and data sink in the present embodiment, this device is used for realizing
Above-described embodiment and preferred embodiment, carried out repeating no more of explanation.As used below, art
Language " module " can realize the software of predetermined function and/or the combination of hardware.Although described by following example
Device preferably realize with software, but hardware, or the realization of the combination of software and hardware is also possible
And be contemplated.
Fig. 4 is the structured flowchart of data sending device according to embodiments of the present invention, as shown in Figure 4, and this device
Including the first acquisition module the 42nd, processing module 44 and the first sending module 46, wherein, the first acquisition module
42 and processing module 44 can have multiple corresponding relation, the operation in the first acquisition module 42 can be first carried out,
Perform the operation in processing module 44 again, it is also possible to first carry out the operation in processing module 44, then perform first
Operation in acquisition module 42, obtains the operation simultaneously performing in two modules, obtains to first carry out first below
Operation in delivery block 42, then this device is illustrated as a example by performing the operation in processing module 44.
First acquisition module 42, for obtaining the parallel channel resource of the first quantity, wherein, this parallel channel
Resource is for sending data to single purpose receiving station；Processing module 44, is connected to above-mentioned first acquisition module
42, for processing data into the physical layer service data of the second quantity, wherein, this second quantity is for extremely
Few two；First sending module 46, is connected to above-mentioned processing module 44, for the parallel letter in the first quantity
The radio frames of the physical layer service data including the second quantity is sent in road resource.
Fig. 5 is the preferred structure block diagram of data sending device according to embodiments of the present invention, as it is shown in figure 5, should
Device, in addition to including all modules shown in Fig. 4, also includes the second sending module 52, enters this device below
Row explanation.
Second sending module 52, is connected to above-mentioned first sending module 46, for sending out to single purpose receiving station
Send the correspondence of physical layer service data for the parallel channel resource and the second quantity notifying the first quantity
The signaling frame of relation.
Fig. 6 is the structured flowchart of data sink according to embodiments of the present invention, as shown in Figure 6, and this device
Including determining module 62 and receiver module 64, below this device is illustrated.
Determining module 62, for determining the parallel channel resource of the first quantity, wherein, this parallel channel resource
For receiving the radio frames of the physical layer service data including the second quantity that dispatching station sends, this is second years old
Quantity is at least two, and the physical layer service data of the second quantity for needing the number sending to above-mentioned dispatching station
According to obtain after processing；Receiver module 64, is connected to above-mentioned determining module 62, for the determining
Above-mentioned radio frames is received in the parallel channel resource of one quantity.
When determining the parallel channel resource of the first quantity, can there is multiple determination mode, for the first quantity
The determination of parallel channel resource is physical layer frame head signaling territory or the signaling of the radio frames being sent by sender
Frame determines, wherein, the recipient for receiving above-mentioned radio frames can carry out nothing in main channel resource always
The detection of line frame, sender is included in main letter for the transmission of above-mentioned signaling frame or physical layer frame head signaling territory
Transmission on road, after recipient detects the instruction in above-mentioned signaling territory on the primary channel or signaling frame, just may be used
To determine the parallel channel resource shared by data radio frames.Fig. 7 is data receiver according to embodiments of the present invention
The structured flowchart of determining module 62 in device, as it is shown in fig. 7, this determining module 62 includes determining unit 72,
Below this determining module 62 is illustrated.
Determining unit 72, for the physical layer services of the parallel channel resource according to the first quantity and the second quantity
The corresponding relation of data cell determines the parallel channel resource of the first quantity, and wherein, this corresponding relation passes through as follows
At least one mode obtains: by the signaling territory in the physical layer frame head of the radio frames obtaining in main channel resource
The mode of the corresponding relation of middle instruction；By in main channel resource obtain dispatching station send in advance for leading to
Know the letter of the corresponding relation of the parallel channel resource of the first quantity and the physical layer service data of the second quantity
Make the mode of frame.
Fig. 8 is the preferred structure block diagram of data sink according to embodiments of the present invention, as shown in Figure 8, and should
Device, in addition to including all modules shown in Fig. 6, also includes the second acquisition module 82 and the 3rd sending module 84,
Below this device is illustrated.
Second acquisition module 82, for obtaining the data comprising in radio frames；3rd sending module 84, connects
To above-mentioned second acquisition module 82, for sending the response frame of the acquisition result for identifying data to dispatching station.
The present invention will be described to send single user data instance with WLAN website below:
Embodiment 1
In one BSS network, the primary bandwidth that network can use is 80MHz, comprises 3 20MHz
Secondary subchannel and a main 20MHz subchannel, send every time and all at least use main 20MHz channel.
Website A competes channel and sends data to AP, main 20MHz channel can with but channel quality is poor or
There is the transmission interference of other networks, three times 20MHz channel quality is preferable.Website A determines that use is alone
Family multiple data unit parallel transmission mode, comprising:
Website A competes 80MHz channel (4 20MHz channels), according to each subchannel quality, and will
The data block segmentation being sent to AP is that 2 physical layer service data are transmitted, wherein physical layer services
Data cell 1 sends on main 20MHz, and its transmit power and transmission MCS determine according to main channel quality；
Physical layer service data 2 sends on three time 20MHz, its transmit power and send MCS according to
The quality of secondary channel determines.For example can use on the primary channel and ensure transmission reliability compared with the MCS of low rate,
Secondary channel can use the MCS of higher rate to ensure efficiency of bandwidth use.
Website A is according to above rule, parallel according to the mode of OFDMA/FDMA on 4 20MHz
Send 2 physical layer service data, and 2 physical layer service data be encapsulated as a radio frames,
Wherein the physical layer frame head middle finger of radio frames has shown the right of 2 physical layer service data and each sub-channels
Should be related to, including the signaling territory A in radio frames physical layer frame head can indicate that the purpose of this radio frames connects
Debit is AP, indicates that physical layer service data 1 is corresponding main in the signaling territory B in physical layer frame head
20MHz channel, the corresponding remaining 60MHz channel of physical layer service data 2.
AP receives the radio frames that above-mentioned website A sends, according to the structure solution of physical layer frame head signaling territory instruction
2 physical layer service data in analysis radio frames, and reply acknowledgement frame (with above-mentioned response frame),
This acknowledgement frame comprises whether correct concrete of the data sectional that comprised 2 physical layer service data
Instruction information.
Embodiment 2
WLAN website competes media resource, and wherein STA-1 has multiple Business Stream to send, wherein each industry
Business stream/access class independence competitive channel, it is assumed that Business Stream/access class A has been competed resource and (assumed Business Stream/connect
Enter class A is designated TID1, and the mark of other Business Streams/access class is followed successively by TID2, TID3 etc.), STA-1
When sending the data of TID1, parallel transmission technology OFDMA/MU-MIMO is utilized to send other industry
The data of business stream/access class, as it is shown in figure 9, Fig. 9 is the many data of single user of according to embodiments of the present invention 2
Unit sends schematic diagram, wherein:
1st, STA-1 obtains M (with the first above-mentioned quantity) parallel channel resource, wherein parallel channel money
Source refers to the spatial flow in the subchannel in OFDMA, the subchannel in FDMA, MIMO transmission, MIMO
During empty in transmission in stream at least one.
2nd, multiple data blocks of TID1 are polymerized to the media access control protocol data unit of a polymerization
(aggregate MAC protocol data unit, referred to as A-MPDU) is simultaneously packaged as a physical layer services number
According to unit, the first physical layer service data for this TID1 selects transfer resource.
3rd, the data block of other Business Streams/access class TID2～TID4 is polymerized to A-MPDU respectively, wherein
Each A-MPDU can only be polymerized the data block of a Business Stream.On the channel resource not taken by TID1
Select transfer resource for other Business Streams/access class.
4th, transmitted in parallel radio frames, and the frame head part instruction in the radio frames sending:
The recipient of this radio frames is single user；
Each when carrying multiple physical layer service data in this radio frames, and indicate the reception of resource
Physical layer service data and the mapping relations of parallel channel resource.
5th, AP receives the radio frames of STA-1, and form as indicated carries out multiple Physical Layer Service Data list
The parallel reception of unit.
6th, AP replys the Frame of STA-1, wherein when multiple Physical Layer Service Data lists that STA-1 sends
Unit requires to reply when confirming character (Acknowledgement, referred to as ACK), and AP can reply M-ACK
(Multi-ACK) to STA-1, the radio frames sending as STA-1, frame requires that replying block confirms (Block
Acknowledgement, referred to as BA) when, AP can reply M-BA (Multi-BA) frame to STA-1.
Embodiment 3
WLAN website compete media resource, wherein STA-1 has multiple Business Stream to send, wherein Business Stream/
Access class A has competed resource, and (that assumes Business Stream/access class A is designated TID1, other Business Stream/accesses
The mark of class is followed successively by TID2, TID3 etc.), STA-1, when sending the data of TID1, utilizes parallel
Transmission technology OFDMA/MU-MIMO sends the data of other Business Streams/access class, as shown in Figure 10, figure
10 is the single user multiple data unit transmission schematic diagram of according to embodiments of the present invention 3, comprising:
1st, STA-1 obtains M parallel channel resource, and wherein parallel channel resource refers to the son in OFDMA
During empty in the spatial flow in the subchannel in channel, FDMA, MIMO transmission, MIMO transmission in stream
At least one.
2nd, multiple data blocks of TID1 are polymerized to an A-MPDU, and are packaged as a physical layer services
Data cell, the first physical layer service data for this TID1 select transfer resource.
3rd, the data block of other Business Streams/access class TID2～TID4 is polymerized to A-MPDU respectively, wherein
Each A-MPDU can only be polymerized the data block of a Business Stream.On the channel resource not taken by TID1
Select transfer resource for other Business Streams/access class.
4th, transmitted in parallel radio frames, and the frame head part instruction in the radio frames sending:
The recipient of this radio frames is single user；
Each when carrying multiple physical layer service data in this radio frames, and indicate the reception of resource
Physical layer service data and the mapping relations of parallel channel resource.
5th, AP receives the radio frames of STA-1, and form as indicated carries out multiple Physical Layer Service Data list
The parallel reception of unit.
6th, AP replys the Frame of STA-1, and wherein AP uses M simultaneous resource to reply multiple ACK/BA
Frame is to STA-1, and parallel mode can be multiple for transmitted in parallel on many sub-channels of OFDMA/FDMA
ACK/BA, wherein ACK/BA is consistent with the channel that physical layer service data to be replied takies.
Embodiment 4
WLAN website competes media resource, and wherein AP has multiple Business Stream STA-1 to be sent to, and AP obtains
Take M parallel channel resource, wherein parallel channel resource refer to the subchannel in OFDMA/FDMA and/
Or stream when the spatial flow in MIMO transmission or sky.
The data block being sent to the different Business Streams/access class of STA-1 is polymerized to multiple A-MPDU by AP
And it is packaged as multiple physical layer service data, before parallel multiple physical layer service data, AP sends out
Send special signaling frame, this signaling frame indicate:
Next AP will send a radio frames comprising multiple physical layer service data to STA-1；
And when indicating the reception of resource in the above-mentioned radio frames comprising multiple physical layer service data
Each physical layer service data and the mapping relations of parallel channel resource.
STA-1 receive AP send signaling frame after, according to signaling frame instruction receive below comprise multiple thing
Manage the radio frames of layer service data unit and reply acknowledgement frame.
Embodiment 5
This example demonstrates that content in the radio frames of many physical layer service data, the selection of transmission parameter:
In multiple physical layer service data in this radio frames, for further condensed frame header overhead, permissible
Use the mac frame head form of compression, wherein, multiple physical layer service data comprise several and does not presses
The data cell of contracting mac frame head form and the data cell of several compression mac frame head forms, wherein not
The number of the data cell of compression mac frame head form is at least 1.
It is parallel at M that this radio frames comprises N number of (with the second above-mentioned quantity) physical layer service data
Transmit on channel resource, then:
Method the 1st, dispatching station, according to the quality of M parallel channel resource, selects M kind to send parameter, for example
Specify instruction in the parameters, and the physical layer frame head signaling territory in radio frames such as transmission rate for each channel resource
This M kind sends parameter；
Channel resource according to shared by N number of physical layer service data for method the 2nd, the dispatching station, selects N
Plant and send parameter, for example, parameters such as each physical layer service data transmission rate, and in radio frames
Physical layer frame head signaling territory indicating, this N kind sends parameter.
Sent the improved method of single user data by the WLAN website in above-described embodiment, can be according to thing
Reason layer resource splits data into multiple physical layer service data transmitted in parallel, to adapt to different channel resources
Quality, improves channel transport efficiency, and can send the data parallel of multiple business stream/access class, it is achieved
Resource-sharing between single user different business, so can make full use of the resource that competition is arrived, and reduces website competing
Strive the expense of channel.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be used
General computing device realizes, they can concentrate in single computing device, or is distributed in multiple meter
Calculating on the network that device is formed, alternatively, they can be realized by the executable program code of computing device,
It is thus possible to be stored in storage device is performed by computing device, and in some cases, can
Perform shown or described step with the order to be different from herein, or they are fabricated to respectively each collection
Become circuit module, or the multiple module in them or step are fabricated to single integrated circuit module realize.
So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for this area
Technical staff for, the present invention can have various modifications and variations.All within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (21)
1. a data transmission method for uplink, it is characterised in that include:
Obtaining the parallel channel resource of the first quantity, wherein, described parallel channel resource is for single mesh
Receiving station send data；
Described data are processed as the physical layer service data of the second quantity, wherein, described second number
Amount is at least two；
The described parallel channel resource of described first quantity sends the institute including described second quantity
State the radio frames of physical layer service data.
2. method according to claim 1, it is characterised in that
Each parallel channel resource in the described parallel channel resource of described first quantity corresponds respectively to
One group sends parameter；And/or,
Each Physical Layer Service Data list in the described physical layer service data of described second quantity
Unit corresponds respectively to one group and sends parameter；
Wherein, described transmission parameter includes transmit power and/or modulation coding mode.
3. method according to claim 2, it is characterised in that the letter in the physical layer frame head of described radio frames
Make and territory indicate at least one following information:
Each corresponding transmission of parallel channel resource in the described parallel channel resource of described first quantity
Parameter；
Each Physical Layer Service Data list in the described physical layer service data of described second quantity
Unit's corresponding transmission parameter；
The described parallel channel resource of described first quantity and the described physical layer services of described second quantity
The corresponding relation of data cell；
The mark of described single purpose receiving station.
4. method according to claim 1, it is characterised in that the described physical layer services of described second quantity
Data cell includes at least one of:
By at least two Business Stream in the described data being sent to described single purpose receiving station or at least
Two at least two data blocks accessing in class are polymerized at least two physical layer service data, wherein
Each physical layer service data comprises the multiple data blocks in same Business Stream or same access class；
It it is one by being sent to one of the described data of described single purpose receiving station data block segmentation
Or multiple physical layer service data；
One of the described data of described single purpose receiving station Business Stream or an access will be sent to
Multiple data blocks in class are polymerized to one or more physical layer service data.
5. method according to claim 1, it is characterised in that at the described parallel channel of described first quantity
Before sending the radio frames of the described physical layer service data including described second quantity in resource,
Also include:
Send the described parallel channel money for notifying described first quantity to described single purpose receiving station
The signaling frame of the corresponding relation of the described physical layer service data of source and described second quantity.
6. method according to claim 1, it is characterised in that the described physical layer services of described second quantity
Data cell includes at least the data in primary service flow or main business class.
7. method according to claim 1, it is characterised in that described parallel channel resource include following at least
One of:
Son letter in subchannel in OFDM OFDMA system, frequency division multiple access FDMA system
In spatial flow in road, multiple-input and multiple-output MIMO transmission, multiple-input and multiple-output MIMO transmission
Stream when empty.
8. a data receiver method, it is characterised in that include:
Determining the parallel channel resource of the first quantity, wherein, described parallel channel resource is used for receiving transmission
The radio frames of the physical layer service data including the second quantity sending of standing, described second quantity is
At least two, the described physical layer service data of described second quantity is for needing to send out to described dispatching station
The data sent obtain after processing；
The described parallel channel resource of described first quantity determining receives described radio frames.
9. method according to claim 8, it is characterised in that determine the described parallel letter of described first quantity
Road resource includes:
Described parallel channel resource according to described first quantity and the described physical layer of described second quantity
The corresponding relation of service data unit determines the described parallel channel resource of described first quantity, wherein, institute
State corresponding relation to obtain at least one in the following way: by the described nothing obtaining in main channel resource
The mode of the described corresponding relation of instruction in signaling territory in the physical layer frame head of line frame；By in main channel
The described parallel letter for notifying described first quantity that the described dispatching station obtaining in resource sends in advance
The signaling frame of the corresponding relation of the described physical layer service data of road resource and described second quantity
Mode.
10. method according to claim 8, it is characterised in that determine described first quantity described in simultaneously
After receiving described radio frames on row channel resource, also include:
Obtain the described data comprising in described radio frames；
Send the response frame of the acquisition result for identifying described data to described dispatching station.
11. methods according to claim 10, it is characterised in that send to described dispatching station and be used for identifying institute
The response frame of the acquisition result stating data includes: utilize at least one following manner parallel to described dispatching station
Transmission is for multiple response frames of the described physical layer service data of described second quantity: orthogonal frequency
Multiple access OFDMA, frequency division multiple access FDMA, multiple-input and multiple-output MIMO.
12. methods according to claim 8, it is characterised in that
Each parallel channel resource in the described parallel channel resource of described first quantity corresponds respectively to
One group sends parameter；And/or,
Each Physical Layer Service Data list in the described physical layer service data of described second quantity
Unit corresponds respectively to one group and sends parameter；
Wherein, described transmission parameter includes transmit power and/or modulation coding mode.
13. methods according to claim 12, it is characterised in that in the physical layer frame head of described radio frames
Signaling territory indicates at least one following information:
Each corresponding transmission of parallel channel resource in the described parallel channel resource of described first quantity
Parameter；
Each Physical Layer Service Data list in the described physical layer service data of described second quantity
Unit's corresponding transmission parameter；
The described parallel channel resource of described first quantity and the described physical layer services of described second quantity
The corresponding relation of data cell；
For receiving the mark of the single purpose receiving station of described radio frames.
14. methods according to claim 8, it is characterised in that the described physical layer services of described second quantity
Data cell includes at least one of:
At least two Business Stream in described data or at least two are accessed at least two data in class
Block is polymerized at least two physical layer service data, and wherein each physical layer service data comprises
Multiple data blocks in same Business Stream or same access class；
It is one or more physical layer service data by one of described data data block segmentation；
One of described data Business Stream or the multiple data blocks accessing in class are polymerized to one
Or multiple physical layer service data.
15. methods according to claim 8, it is characterised in that the described physical layer services of described second quantity
Data cell includes at least the data in primary service flow or main business class.
16. methods according to claim 8, it is characterised in that described parallel channel resource include following at least
One of:
Son letter in subchannel in OFDM OFDMA system, frequency division multiple access FDMA system
In spatial flow in road, multiple-input and multiple-output MIMO transmission, multiple-input and multiple-output MIMO transmission
Stream when empty.
17. 1 kinds of data sending devices, it is characterised in that include:
First acquisition module, for obtaining the parallel channel resource of the first quantity, wherein, described parallel letter
Road resource is for sending data to single purpose receiving station；
Processing module, for described data are processed as the physical layer service data of the second quantity, its
In, described second quantity is at least two；
First sending module, includes for sending in the described parallel channel resource of described first quantity
The radio frames of the described physical layer service data of described second quantity.
18. devices according to claim 17, it is characterised in that also include:
Second sending module, is used for notifying described first quantity for sending to described single purpose receiving station
Described parallel channel resource and the corresponding pass of described physical layer service data of described second quantity
The signaling frame of system.
19. 1 kinds of data sinks, it is characterised in that include:
Determining module, for determining the parallel channel resource of the first quantity, wherein, described parallel channel provides
Source is used for receiving the radio frames of the physical layer service data including the second quantity that dispatching station sends,
Described second quantity is at least two, and the described physical layer service data of described second quantity is for institute
Stating dispatching station needs the data sending to obtain after processing；
Receiver module, described for receiving in the described parallel channel resource of described first quantity determining
Radio frames.
20. devices according to claim 19, it is characterised in that described determining module includes:
Determining unit, for the described parallel channel resource according to described first quantity and described second quantity
The corresponding relation of described physical layer service data determine the described parallel channel of described first quantity
Resource, wherein, described corresponding relation obtains at least one in the following way: by main channel resource
The side of the described corresponding relation of instruction in signaling territory in the physical layer frame head of the described radio frames of upper acquisition
Formula；Notify the described first number by being used for of sending in advance of described dispatching station obtaining in main channel resource
The correspondence of the described physical layer service data of the described parallel channel resource of amount and described second quantity
The mode of the signaling frame of relation.
21. devices according to claim 20, it is characterised in that also include:
Second acquisition module, for obtaining the described data comprising in described radio frames；
3rd sending module, for sending, to described dispatching station, the acquisition result being used for identifying described data
Response frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510098475.3A CN105991242A (en) | 2015-03-05 | 2015-03-05 | Data transmitting method and receiving method, transmitting device, and receiving device |
| PCT/CN2016/074201 WO2016138824A1 (en) | 2015-03-05 | 2016-02-22 | Data transmission method and receiving method, and transmission device and receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510098475.3A CN105991242A (en) | 2015-03-05 | 2015-03-05 | Data transmitting method and receiving method, transmitting device, and receiving device |
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| WO (1) | WO2016138824A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| CN110651456A (en) * | 2017-04-19 | 2020-01-03 | Lg 电子株式会社 | Method for transmitting and receiving signal in wireless LAN system and apparatus for the same |
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| CN1323123A (en) * | 2000-05-17 | 2001-11-21 | 松下电器产业株式会社 | Mixed automatic resending request method for packet data transmission |
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