CN109526068A - A kind of full duplex base station that realizing fast wake-up and wireless communication system - Google Patents
A kind of full duplex base station that realizing fast wake-up and wireless communication system Download PDFInfo
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- CN109526068A CN109526068A CN201811513760.7A CN201811513760A CN109526068A CN 109526068 A CN109526068 A CN 109526068A CN 201811513760 A CN201811513760 A CN 201811513760A CN 109526068 A CN109526068 A CN 109526068A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 36
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- 238000003860 storage Methods 0.000 claims description 8
- 230000002618 waking effect Effects 0.000 claims description 8
- 238000013507 mapping Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 20
- 238000004134 energy conservation Methods 0.000 abstract description 5
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention relates to wireless communication technique or Internet of Things technical field of RFID, a kind of full duplex base station for realizing fast wake-up and wireless communication system are disclosed.It creates through the invention, providing a kind of fast wake-up terminal and can obtain the full duplex base station for uploading data and wireless communication system, i.e. by carrying out terminal wake-up, data upload on different radio transmission channel and uploading confirmation movement, the characteristics of can making full use of full duplex base station that can carry out message transmission and message sink simultaneously, it greatly shortens and obtains the total duration that single uploads data, be particularly suitable for the application scenarios with magnanimity label.In addition, the full duplex base station and wireless communication system also have many advantages, such as can temporary sleep energy conservation, be dynamically arranged back off time, upload data safety and flexible in application, be convenient for practical promotion and application.
Description
Technical field
The invention belongs to wireless communication technique or Internet of Things technical field of RFID, and in particular to a kind of realization is quickly called out
Awake full duplex base station and wireless communication system.
Background technique
Radio frequency identification, RFID (Radio Frequency Identification) technology, also known as radio frequency identification are
A kind of wireless communication technique, is commonly called as electronic tag, can identify specific objective by radio signals and read and write related data,
In, the electronic tag with independent current source power supply is also known as active label, otherwise referred to as passive label.Current RFID technique is
Be widely used in every field, for example, sale of goods, transport, production, waste management, postal tracking, aviation luggage management,
The fields such as vehicle toll management, traditional paper tape bar code because its storage capacity is small, cannot rewrite the disadvantages of, identification field,
It is slowly substituted by RFID system.
One typical RFID of Internet-of-things system is by a reader (also referred to as reader or base station) and multiple active marks
Sign the wireless communication system of (also referred to as electronic tag or wireless terminal) composition, wherein reader is used for a series of by sending
Wireless command or message wake up and are chronically at the active label of dormant state, and it is respectively exclusive active to allow active label to return
Tag addresses information and relevant local data information, to realize that data upload purpose.Such as fire-fighting is used for for one
The RFID of Internet-of-things system of fire alarm system needs periodically or non-periodically to obtain the equipment alarm data field letter of each active label
Breath, petroleum technology equipment area information and/or device sensor acquisition data zone information etc., so as to concentrate grasp various loci (
The position need to arrange active label in advance) fire-fighting fire condition.
In data upload process, need active label that local data information is seriatim uploaded to reading upon awakening
Device, but the RFID system for being made of full duplex reader and wireless terminal (namely wireless communication system), due to complete double
Work reader can carry out message transmission and message sink in synchronization, will if still carrying out messaging on the same channel
Need long time to obtain the data of each active label one by one, especially for the application scenarios with magnanimity label,
This problem is more obvious, so that the schedule that label uploads data obviously lags, this is meant that in reading device side needs
The data that waits more times just and can be collected into all labels to upload, it is therefore necessary to a kind of new method be provided or new system is come
A large amount of data are rapidly completed and upload task.
Summary of the invention
In order to solve schedule in the presence of available data upload procedure slowly and the problems such as time-consuming, the object of the invention
It is to provide a kind of full duplex base station for realizing fast wake-up and wireless communication system.
The technical scheme adopted by the invention is as follows:
A kind of full duplex base station for realizing fast wake-up, including the first wireless transmitting unit, the first radio receiving unit and
Second wireless transmitting unit；
First wireless transmitting unit, for sending terminal wakeup message on waking up channel, wherein the terminal is called out
Awake message package contains target address information, and the target address information is used to indicate the wireless terminal that need to be waken up；
First radio receiving unit is used for interception data channel, receives the data upload message from wireless terminal；
Second wireless transmitting unit, for being successfully received the data upload message sent by some wireless terminal
Afterwards, confirmation message, aforementioned wake-up are uploaded to the wireless terminal feedback data for sending the data upload message on an acknowledgment channel
Channel, data channel and acknowledgement channel are respectively different wireless transmission channels.
Optimization, further include that statistics estimates unit；
The statistics estimates unit, for the message packet loss of periodically statistical data channel, is then lost according to message
Packet rate and the mapping relations for uploading terminal number obtain the number of estimating for going up transmission terminal, are subsequently estimated according to this
Number estimates that all transmission terminals of going up complete the remaining upload duration that data upload task；
Second wireless transmitting unit is also used to before feedback data uploads confirmation message, when by the remaining upload
It is long to be used as temporary sleep duration, it is added to the data and uploads in confirmation message.
Optimization, first wireless transmitting unit for sending the terminal wakeup message as follows: calling out
Wake up on channel and within the first period continuity the period send multiple terminal wakeup messages, wherein the terminal wakes up
Message also includes the first period duration information and current message tranmitting data register information, and the first period duration information is for referring to
Show the duration t of first period, the current message tranmitting data register information is used to indicate from the initial time of the first period
To the timestamp t of current message sending instantx。
It advanced optimizes, first wireless transmitting unit is also used in the process for sending the terminal wakeup message
In, if obtained going up transmission terminal estimate number, this estimated into number be added to not sent terminal wake-up and disappear
In breath.
Another technical solution of the present invention are as follows:
A kind of wireless communication system, including foregoing full duplex base station, further include having several wireless terminals, wherein
The wireless terminal includes the second radio receiving unit, third wireless transmitting unit and third radio receiving unit；
Second radio receiving unit wakes up channel for periodically listening to, receives the end from full duplex base station
Hold wakeup message；
The third wireless transmitting unit, for after being successfully received some described terminal wakeup message, if it is determined that institute
The target address information and local terminal address matching for stating terminal wakeup message, then pass through channel competition mechanism on a data channel
Feedback data upload message；
The third radio receiving unit, for after feeding back the data upload message, interception confirming channel to receive and
From full duplex base station and data corresponding with the data upload message upload confirmation message.In addition, wirelessly whole for half-duplex
End, the third radio receiving unit can be same unit with second radio receiving unit.
Optimization, the wireless terminal further includes retransmitting judging unit；
The repeating transmission judging unit, for not receiving data upload confirmation message corresponding with data upload message on schedule
When, determine to send failure, then starts the third wireless transmitting unit and retransmit the data upload message, until the data
The sending times of upload message reach maximum retransmission.
Optimization, the wireless terminal further includes Energy Saving Control unit；
The Energy Saving Control unit, for receive on schedule include temporary sleep duration data upload confirmation message
When, it is first controlled according to the temporary sleep duration and enters temporary sleep mode, then after temporary sleep mode, control enters
Period suspend mode or period awakening mode.
Advanced optimize, the Energy Saving Control unit be also used to listen to receive include wake-up task unique identification and
After the terminal wakeup message of temporary sleep duration, uploaded if corresponding data is completed according to wake-up task unique identification discovery
Task is then introduced into temporary sleep mode according to the temporary sleep duration, then after temporary sleep mode, into the period
Suspend mode or period awakening mode.
Optimization, the wireless terminal further includes safety check unit；
The safety check unit, for including that password authentication selects the terminal of information and password information to wake up receiving
Message and before sending the data upload message by channel competition mechanism, first selects information at this according to the password authentication
The correspondence password content prestored is searched in ground memory block, then judge the password content found whether with the password information one
It causes, permits to send the data upload message if consistent, otherwise refusal is sent, wherein the password authentication selection information is used
In instruction password unique identification corresponding with the password information.
Optimization, it includes to upload that the third wireless transmitting unit, which is also used to upload but receive in unfinished data,
When the terminal wakeup message for estimating number of terminal, according to it is described estimate number update setting by channel competition mechanism send number
According to the back off time of upload message.
The invention has the benefit that
(1) the invention, which provides, a kind of fast wake-up terminal and can obtain the full duplex base station for uploading data and wireless
Communication system, i.e., by carrying out terminal wake-up, data upload on different radio transmission channel and uploading confirmation movement, Ke Yichong
Divide the characteristics of capable of carrying out message transmission and message sink simultaneously using full duplex base station, greatly shortens and obtain single upload data
Total duration is particularly suitable for the application scenarios with magnanimity label；
(2) the full duplex base station and wireless communication system also have can temporary sleep energy conservation, be dynamically arranged when keeping out of the way
Between, upload data safety and it is flexible in application the advantages that, be convenient for practical promotion and application.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow diagram of fast wake-up method provided by the invention.
Fig. 2 is the message time sequence schematic diagram provided by the invention in data upload process.
Fig. 3 is the structural schematic diagram of full duplex base station provided by the invention.
Fig. 4 is the structural schematic diagram of wireless communication system provided by the invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further elaborated.It should be noted that for this
The explanation of a little way of example is used to help understand the present invention, but and does not constitute a limitation of the invention.It is disclosed herein specific
Structure and function details is only used for description example embodiments of the present invention.However, this hair can be embodied with many alternative forms
It is bright, and be not construed as limiting the invention in embodiment set forth herein.
It will be appreciated that though term first, second etc. can be used herein to describe various units, these units are not answered
When being limited by these terms.These terms are only used to distinguish a unit and another unit.Such as it can be single by first
Member is referred to as second unit, and similarly second unit can be referred to as first unit, real without departing from example of the invention
Apply the range of example.
It should be appreciated that the terms "and/or", only a kind of incidence relation for describing affiliated partner, expression can be with
There are three kinds of relationships, for example, A and/or B, can indicate: individualism A, individualism B exist simultaneously tri- kinds of situations of A and B,
The terms "/and " are to describe another affiliated partner relationship, indicate may exist two kinds of relationships, can be with for example, A/ and B
Indicate: two kinds of situations of individualism A, individualism A and B, in addition, character "/" herein, typicallying represent forward-backward correlation object is
A kind of "or" relationship.
It should be appreciated that when by unit referred to as with another unit " connection ", " connected " or " coupling " when, it can with it is another
A unit is directly connected or couples or temporary location may exist.Relatively, it is referred to as with another unit " directly when by unit
It is connected " or when " direct-coupling ", temporary location is not present.It should explain in a similar manner for describing the relationship between unit
Other words (for example, " ... between " to " between directly existing ... ", " adjacent " is to " direct neighbor " etc.).
Terms used herein are only used for description specific embodiment, and are not intended to limitation example embodiments of the present invention.
As it is used herein, singular "a", "an" and "the" is intended to include plural form, unless context is explicitly indicated
Contrary.It should also be understood that term " includes ", " including ", "comprising", and/or " containing " are as used herein,
Specified stated feature, integer, step, operation, unit and/or component existence, and be not excluded for it is one or more its
His feature, quantity, step, operation, unit, component and/or their combination existence or increase.
It will be further noted that the function action occurred may be with the sequence of attached drawing appearance in some alternative embodiments
It is different.Such as it depends on substantially being executed concurrently in related function action, or sometimes can be with
Opposite sequence executes continuously show two figures.
Specific details is provided, in the following description in order to which example embodiment is understood completely.However ability
Domain those of ordinary skill is it is to be understood that implementation example embodiment without these specific details.Such as it can be
System is shown in block diagram, to avoid with unnecessary details come so that example is unclear.It in other instances, can not be with need not
The details wanted shows well-known process, structure and technology, to avoid making example embodiment unclear.
Embodiment one
As illustrated in fig. 1 and 2, the fast wake-up method for being suitable for full duplex base station provided in this embodiment, i.e., complete
Duplexed base stations, which (can be, but not limited to as full duplex reader or full duplex reader) side, can be, but not limited to include the following steps
S101~S103.
S101. terminal wakeup message is sent on waking up channel, wherein the terminal wakeup message includes destination address
Information, the target address information are used to indicate the wireless terminal that need to be waken up.
In the step S101, the terminal wakeup message for wake-up period sleep wireless terminal (can with but not
It is limited to for active label or electronic tag, whether half-duplex label or full duplex label, can be assumed that it is wireless terminal),
Ensure that wake up target terminal, optimization, the terminal wakeup message can be sent as follows: waking up channel
It is upper and within the first period continuity the period send multiple terminal wakeup messages, wherein the terminal wakeup message is also
It include the first period duration information and current message tranmitting data register information, the first period duration information is used to indicate described
The duration t of first period, the current message tranmitting data register information are used to indicate from the initial time of the first period to current
The timestamp t of message sending instantx.It is configured by aforementioned information, wireless terminal can also be made when obtaining first period
After long message and current message tranmitting data register information, it is known that thus the broadcast-end-time of terminal wakeup message described in epicycle may be used
A longer temporary sleep time (i.e. t-t is arrangedx), it is conducive to terminal energy conservation, is uploaded especially for data have been completed
Wireless terminal for, due to no longer need to upload data, wake up again after can directly sleeping broadcast.
It advanced optimizes, the duration t of first period is greater than the sleep cycle T, the sleep cycle T of wireless terminal
Period sleep time T including wireless terminalsleepWith period awakening duration Twake, the broadcast cycle of the terminal wakeup message is small
Awaken duration T in the period of wireless terminalwake.It is arranged by aforementioned duration, it can be ensured that wireless terminal is in any one sleep
The terminal wakeup message can be completely received in the period awakening duration in period, prevents to occur waking up to omit.Citing, if institute
State period awakening duration TwakeFor 100ms, the period sleep time TsleepFor 3900ms, then the sleep cycle of wireless terminal is
4 seconds, the broadcast cycle may be designed as 60ms (assuming that a length of 50ms when the transmission of the terminal wakeup message, reserves 10ms's
Time slot spacing), the duration of first period may be designed as 4020ms, can continuously broadcast 67 terminal wakeup messages.
S102. interception data channel, and after being successfully received the data upload message sent by some wireless terminal, it holds
Row step S103.
Before the step S102, optimization, wireless terminal side can with but be not limited to include the following steps:
S201. wireless terminal periodically listens to wake up channel, and after being successfully received some described terminal wakeup message, executes step
Rapid S202；S202. if it is determined that the target address information and local terminal address matching, then follow the steps S203；S203. in number
It is believed that feeding back the data upload message by channel competition mechanism on road.It advanced optimizes, in the step S203, is
Whether verification full duplex base station is legal, prevents " pseudo-base station ", optimization, if the terminal wakeup message also includes mouth
Enable verifying selection information and password information, then wireless terminal before sending the data upload message by channel competition mechanism,
First information is selected to search the correspondence password content prestored in local storage according to the password authentication, then judgement is found
Password content it is whether consistent with the password information, permit to send the data upload message if consistent, otherwise refusal hair
It send, wherein the password authentication selection information is used to indicate password unique identification corresponding with the password information.Due to described
Password authentication selection information and the corresponding relationship of password content are preset in advance in legal wireless terminal, and be preset in advance
Password authentication selection information in legal full duplex base station is consistent with the corresponding relationship of the password information, and aforementioned correspondence
Relationship is not preset in " pseudo-base station ", therefore wireless terminal can be voluntarily according to the check results of password content and password information
Determine whether the base station for initiating wakeup message is legal, and only just allow to respond when confirming legal to upload data, it is possible thereby to have
Effect evades the security risk that " pseudo-base station " steals data, realizes the purpose that data safety is ensured in interactive process.In addition, described
Data upload message can be, but not limited to pass comprising equipment alarm data zone information, petroleum technology equipment area information and/or equipment
Sensor acquires data zone information etc..
Optimize in detail, before the step S101, in order to further ensure that password authentication selection information and/or
The transmission safety of the password information, prevents from being intercepted in the air by other " hacker " websites, it is therefore necessary to aforementioned important information
It encrypts, that is, optimizes, full duplex base station is selected from local storage at random before sending the terminal wakeup message
It selects a kind of Encryption Algorithm/and encryption key and selects information and/or the password information to encrypt the password authentication, and
It includes that the first Encryption Algorithm selection information/and the first encryption key select information that the label, which is made an inventory in message, wherein described
First Encryption Algorithm selection information is used to indicate in the process for encrypting the password authentication selection information and/or the password information
Employed in Encryption Algorithm algorithm unique identification, first encryption key selection information, which is used to indicate, is encrypting the password
The key unique identification of used encryption key during verifying selection information and/or the password information；Wireless terminal exists
After receiving the terminal wakeup message, first selects information to search in local storage according to first Encryption Algorithm and prestore
Corresponding decipherment algorithm/and to select information to search the corresponding decryption that prestores in local storage according to first encryption key close
Then key obtains the password authentication selection information and/or the mouth using the decipherment algorithm found and/decryption key decryption
Enable information.Wherein, the corresponding relationship of first Encryption Algorithm selection information and decipherment algorithm is preset at legal wireless in advance
In terminal, and pair with first Encryption Algorithm selection information and Encryption Algorithm that are preset in legal full duplex base station in advance
Answer relationship match；The corresponding relationship of the first encryption key selection information and decruption key is preset at legal wireless end in advance
In end, and be preset in legal full duplex base station in advance first encryption key selection information and encryption key it is corresponding
Relationship match.Since " hacker " website cannot predict aforementioned corresponding relationship in advance, it is difficult to crack to obtain the password authentication
Information and/or the password information are selected, safety can be further promoted.
S103. confirmation is uploaded to the wireless terminal feedback data for sending the data upload message on an acknowledgment channel to disappear
Breath.
After the step S103, optimization, wireless terminal can with but be not limited to include the following steps: that S204. is detectd
Acknowledgement channel is listened, if not receiving data corresponding with the data upload message on schedule uploads confirmation message, determines to send and lose
It loses, then returns to step S203, until the sending times of the data upload message reach maximum retransmission.Wherein,
The maximum retransmission can be exemplified as 3 times.
It in the step S204, advanced optimizes, if it includes temporary sleep duration that wireless terminal, which receives, on schedule
The data upload confirmation message, then are introduced into temporary sleep mode according to the temporary sleep duration, then in temporary sleep mould
After formula, into period suspend mode or period awakening mode.By the configuration of the temporary sleep duration, can indicate complete
The duration of suspend mode power save mode can be immediately entered at the wireless terminal that data upload, specific duration can be, but not limited to according to completion
That collects the data upload task of all current not upper transmission terminals estimates duration to be arranged, so that wireless terminal be made to complete data
It after upload, can avoid being waken up and passing again identical data because entering temporary sleep, thus not only can eat dishes without rice or wine to reduce largely
Data upload message, realize reduce message transition collision probability purpose, be rapidly completed all wireless terminals data upload task,
Terminal energy conservation can also be further conducive to.Optimize in detail, the terminal wakeup message also includes wake-up task unique identification
With temporary sleep duration；Wireless terminal is after listening to and receiving the terminal wakeup message, if uniquely being marked according to the wake-up task
Know discovery and corresponding data upload task is completed, then temporary sleep mode is introduced into according to the temporary sleep duration, then facing
When suspend mode after, awaken mode into period suspend mode or period.
In the step S102, optimize in detail, the temporary sleep duration can be set as follows: periodically
The message packet loss of geo-statistic data channel obtains then according to message packet loss and the mapping relations for uploading terminal number
The number of estimating for going up transmission terminal is taken, all transmission terminals of going up of number estimation are subsequently estimated according to this and complete data upload
The remaining of task uploads duration, and residue upload duration is finally set as the temporary sleep duration.Since message packet loss exists
It is largely therefore to pass through the available message packet loss of routine test and upper transmission terminal as caused by message transition collision
The mapping relations of number, which can be the mapping relations of a pair of of numberical range, such as lose for 0~1% message
Packet rate, the corresponding terminal number that do not upload can be 0~50；It is corresponding not upload number of terminals for 2~3% message packet loss
Mesh can be 100~200.In addition, the remaining duration that uploads for estimating number and estimation again may be by routine test acquisition.
Further optimize in detail, is uploading number of terminals to enable the wireless terminal for not completing data upload to know
Mesh can be such that full duplex base station is sending out so that the back off time for sending data upload message by channel competition mechanism is set dynamically
Before sending the data to upload confirmation message, if obtained going up transmission terminal estimate number, this is estimated into number and is added to
The data upload in confirmation message；The wireless terminal of data upload is not completed after receiving the data and uploading confirmation message,
The back off time that setting passes through channel competition mechanism transmission data upload message is updated according to the number of estimating.Wherein, wirelessly
Terminal according to this estimate number update setting back off time concrete mode can are as follows: estimate number it is larger when longer work as, is set
Preceding back off time or maximum back off time, estimate number it is smaller when setting shorter current back off time or maximum keep out of the way when
Between, it is possible thereby to which back off time is set dynamically, further it is conducive to reduce message packet loss and all data are rapidly completed and upload to appoint
Business.In addition, wireless terminal can also be informed in the following way: during sending the terminal wakeup message, if
The number of estimating for going up transmission terminal is obtained, then this is estimated into number and is added in the not sent terminal wakeup message；Not
Complete data upload wireless terminal after receiving the terminal wakeup message, according to it is described estimate number update setting pass through letter
The back off time of road competition mechanism transmission data upload message.
Aforementioned wake-up channel, data channel and acknowledgement channel are respectively different wireless transmission channels, by different nothings
The enterprising row label of line transmission channel wakes up, data upload and uploads confirmation movement, can make full use of full duplex base station can be simultaneously
The characteristics of carrying out message transmission and message sink greatly shortens and obtains the total duration that single uploads data.In addition, for flexibly setting
The purpose of data channel and acknowledgement channel is set, the terminal wakeup message also includes data channel unique identification and/or confirmation
Channel unique identification, it is possible thereby to be indicated for wireless terminal most suitable according to the non-communication quality testing result for waking up channel
Data channel and/or acknowledgement channel on carry out interacting message.
To sum up, using the fast wake-up method for being suitable for full duplex base station provided by the present embodiment, there is following technology
Effect:
(1) present embodiments provide it is a kind of for full duplex base station can quick obtaining upload data terminal awakening method,
I.e. by carrying out terminal wake-up, data upload on different radio transmission channel and uploading confirmation movement, can make full use of complete
Duplexed base stations can carry out the characteristics of message transmission and message sink simultaneously, greatly shorten and obtain the total duration that single uploads data,
It is particularly suitable for the application scenarios with magnanimity label；
(2) the fast wake-up method also have can temporary sleep energy conservation, be dynamically arranged back off time, upload data peace
The advantages that complete and flexible in application, is convenient for practical promotion and application.
Embodiment two
As shown in figure 3, present embodiments providing a kind of full duplex for realizing fast wake-up method described in previous embodiment one
Base station, including the first wireless transmitting unit, the first radio receiving unit and the second wireless transmitting unit；
First wireless transmitting unit, for sending terminal wakeup message on waking up channel, wherein the terminal is called out
Awake message package contains target address information, and the target address information is used to indicate the wireless terminal that need to be waken up；
First radio receiving unit is used for interception data channel, receives the data upload message from wireless terminal；
Second wireless transmitting unit, for being successfully received the data upload message sent by some wireless terminal
Afterwards, confirmation message, aforementioned wake-up are uploaded to the wireless terminal feedback data for sending the data upload message on an acknowledgment channel
Channel, data channel and acknowledgement channel are respectively different wireless transmission channels.
Optimization, further include that statistics estimates unit；
The statistics estimates unit, for the message packet loss of periodically statistical data channel, is then lost according to message
Packet rate and the mapping relations for uploading terminal number obtain the number of estimating for going up transmission terminal, are subsequently estimated according to this
Number estimates that all transmission terminals of going up complete the remaining upload duration that data upload task；
Second wireless transmitting unit is also used to before feedback data uploads confirmation message, when by the remaining upload
It is long to be used as temporary sleep duration, it is added to the data and uploads in confirmation message.
Optimization, first wireless transmitting unit for sending the terminal wakeup message as follows: calling out
Wake up on channel and within the first period continuity the period send multiple terminal wakeup messages, wherein the terminal wakes up
Message also includes the first period duration information and current message tranmitting data register information, and the first period duration information is for referring to
Show the duration t of first period, the current message tranmitting data register information is used to indicate from the initial time of the first period
To the timestamp t of current message sending instantx。
It advanced optimizes, first wireless transmitting unit is also used in the process for sending the terminal wakeup message
In, if obtained going up transmission terminal estimate number, this estimated into number be added to not sent terminal wake-up and disappear
In breath.
The technical detail and technical effect of the present embodiment are consistent with the content of embodiment one, repeat no more in this.
Embodiment three
As shown in figure 4, present embodiments provide it is a kind of include full duplex base station described in previous embodiment two channel radio
Letter system further includes having several wireless terminals, wherein the wireless terminal is wirelessly sent out including the second radio receiving unit, third
Penetrate unit and third radio receiving unit；
Second radio receiving unit wakes up channel for periodically listening to, receives the end from full duplex base station
Hold wakeup message；
The third wireless transmitting unit, for after being successfully received some described terminal wakeup message, if it is determined that institute
The target address information and local terminal address matching for stating terminal wakeup message, then pass through channel competition mechanism on a data channel
Feedback data upload message；
The third radio receiving unit, for after feeding back the data upload message, interception confirming channel to receive and
From full duplex base station and data corresponding with the data upload message upload confirmation message.In addition, wirelessly whole for half-duplex
End, the third radio receiving unit can be same unit with second radio receiving unit.
Optimization, the wireless terminal further includes retransmitting judging unit；
The repeating transmission judging unit, for not receiving data upload confirmation message corresponding with data upload message on schedule
When, determine to send failure, then starts the third wireless transmitting unit and retransmit the data upload message, until the data
The sending times of upload message reach maximum retransmission.
Optimization, the wireless terminal further includes Energy Saving Control unit；
The Energy Saving Control unit, for receive on schedule include temporary sleep duration data upload confirmation message
When, it is first controlled according to the temporary sleep duration and enters temporary sleep mode, then after temporary sleep mode, control enters
Period suspend mode or period awakening mode.
Advanced optimize, the Energy Saving Control unit be also used to listen to receive include wake-up task unique identification and
After the terminal wakeup message of temporary sleep duration, uploaded if corresponding data is completed according to wake-up task unique identification discovery
Task is then introduced into temporary sleep mode according to the temporary sleep duration, then after temporary sleep mode, into the period
Suspend mode or period awakening mode.
Optimization, the wireless terminal further includes safety check unit；
The safety check unit, for including that password authentication selects the terminal of information and password information to wake up receiving
Message and before sending the data upload message by channel competition mechanism, first selects information at this according to the password authentication
The correspondence password content prestored is searched in ground memory block, then judge the password content found whether with the password information one
It causes, permits to send the data upload message if consistent, otherwise refusal is sent, wherein the password authentication selection information is used
In instruction password unique identification corresponding with the password information.
It advanced optimizes, first wireless transmitting unit is also used to before sending the terminal wakeup message, from this
A kind of Encryption Algorithm/and encryption key are randomly choosed in ground memory block, and information and/or the password are selected to the password authentication
Information is encrypted, and making an inventory in message in the label includes the first Encryption Algorithm selection information/and the first encryption key
Select information, wherein first Encryption Algorithm selection information be used to indicate encrypt the password authentication selection information and/or
The algorithm unique identification of used Encryption Algorithm during the password information, the first encryption key selection information are used for
Indicate the key of used encryption key during encrypting the password authentication selection information and/or the password information only
One mark；
Second radio receiving unit is also used to after receiving the terminal wakeup message, first according to first encryption
Algorithms selection information searches the correspondence decipherment algorithm/prestored in local storage and selects to believe according to first encryption key
Breath searches the correspondence decruption key prestored in local storage, then using the decipherment algorithm found and/decruption key solution
It is close to obtain the password authentication selection information and/or the password information.
Optimization, it includes to upload that the third wireless transmitting unit, which is also used to upload but receive in unfinished data,
When the terminal wakeup message for estimating number of terminal, according to it is described estimate number update setting by channel competition mechanism send number
According to the back off time of upload message.
The technical detail and technical effect of the present embodiment are consistent with the content of embodiment one, repeat no more in this.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (10)
1. a kind of full duplex base station for realizing fast wake-up, it is characterised in that: wirelessly connect including the first wireless transmitting unit, first
Receive unit and the second wireless transmitting unit；
First wireless transmitting unit, for sending terminal wakeup message on waking up channel, wherein the terminal wake-up disappears
Breath includes target address information, and the target address information is used to indicate the wireless terminal that need to be waken up；
First radio receiving unit is used for interception data channel, receives the data upload message from wireless terminal；
Second wireless transmitting unit, for after being successfully received the data upload message sent by some wireless terminal,
Confirmation message, aforementioned wake-up letter are uploaded to the wireless terminal feedback data for sending the data upload message on an acknowledgment channel
Road, data channel and acknowledgement channel are respectively different wireless transmission channels.
2. a kind of full duplex base station for realizing fast wake-up as described in claim 1, it is characterised in that: further include that statistics is estimated
Unit；
The statistics estimates unit, for the message packet loss of periodically statistical data channel, then according to message packet loss
With the mapping relations for uploading terminal number, the number of estimating for going up transmission terminal is obtained, number is subsequently estimated according to this
Estimate that all transmission terminals of going up complete the remaining upload duration that data upload task；
Second wireless transmitting unit is also used to before feedback data uploads confirmation message, and the remaining duration that uploads is made
For temporary sleep duration, it is added to the data and uploads in confirmation message.
3. a kind of full duplex base station for realizing fast wake-up as described in claim 1, it is characterised in that: the described first wireless hair
Unit is penetrated for sending the terminal wakeup message as follows: the continuity on waking up channel and within the first period
Period sends multiple terminal wakeup messages, wherein the terminal wakeup message also include the first period duration information and
Current message tranmitting data register information, the first period duration information is used to indicate the duration t of first period, described current
Message tranmitting data register information is used to indicate the timestamp t from the initial time of the first period to current message sending instantx。
4. a kind of full duplex base station for realizing fast wake-up as claimed in claim 3, it is characterised in that: the described first wireless hair
Unit is penetrated to be also used to during sending the terminal wakeup message, if obtained going up transmission terminal estimate number,
This is estimated number to be added in the not sent terminal wakeup message.
5. a kind of wireless communication system, it is characterised in that: including the full duplex base station as described in Claims 1 to 4 any one,
Further include having several wireless terminals, wherein the wireless terminal include the second radio receiving unit, third wireless transmitting unit and
Third radio receiving unit；
Second radio receiving unit wakes up channel for periodically listening to, receives the terminal from full duplex base station and call out
Awake message；
The third wireless transmitting unit, for after being successfully received some described terminal wakeup message, if it is determined that the end
The target address information and local terminal address matching for holding wakeup message, then fed back by channel competition mechanism on a data channel
Data upload message；
The third radio receiving unit, for after feeding back the data upload message, interception confirming channel to be received from complete
Duplexed base stations and data corresponding with data upload message upload confirmation message.In addition, being directed to half-duplex wireless terminal, institute
Stating third radio receiving unit can be same unit with second radio receiving unit.
6. a kind of wireless communication system as claimed in claim 5, it is characterised in that: the wireless terminal further includes retransmitting judgement
Unit；
The repeating transmission judging unit, for when not receiving corresponding with data upload message data on schedule and uploading confirmation message,
Determine to send failure, then starts the third wireless transmitting unit and retransmit the data upload message, until in the data
The sending times for passing message reach maximum retransmission.
7. a kind of wireless communication system as claimed in claim 5, it is characterised in that: the wireless terminal further includes Energy Saving Control
Unit；
The Energy Saving Control unit, for receive on schedule include temporary sleep duration data upload confirmation message when, root
It is first controlled according to the temporary sleep duration and enters temporary sleep mode, then after temporary sleep mode, control enters the period
Suspend mode or period awakening mode.
8. a kind of wireless communication system as claimed in claim 7, it is characterised in that: the Energy Saving Control unit is also used to detecing
Listen receive include wake-up task unique identification and temporary sleep duration terminal wakeup message after, if according to the wake-up task
Unique identification discovery is completed corresponding data and uploads task, then is introduced into temporary sleep mode according to the temporary sleep duration,
Again after temporary sleep mode, into period suspend mode or period awakening mode.
9. a kind of wireless communication system as claimed in claim 5, it is characterised in that: the wireless terminal further includes safety check
Unit；
The safety check unit, for receive include password authentication selection information and password information terminal wakeup message
And before sending the data upload message by channel competition mechanism, first information is selected to deposit locally according to the password authentication
The correspondence password content prestored is searched in storage area, then judges whether the password content found is consistent with the password information,
Permit to send the data upload message if consistent, otherwise refusal is sent, wherein the password authentication selection information is for referring to
Show password unique identification corresponding with the password information.
10. a kind of wireless communication system as claimed in claim 5, it is characterised in that: the third wireless transmitting unit is also used
In unfinished data upload but receive include the terminal wakeup message for estimating number for going up transmission terminal when, according to described
It estimates number and updates the back off time that setting sends data upload message by channel competition mechanism.
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