CN109729550A - A kind of energy saving awakening method suitable for half-duplex wireless communication system - Google Patents
A kind of energy saving awakening method suitable for half-duplex wireless communication system Download PDFInfo
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- CN109729550A CN109729550A CN201811513857.8A CN201811513857A CN109729550A CN 109729550 A CN109729550 A CN 109729550A CN 201811513857 A CN201811513857 A CN 201811513857A CN 109729550 A CN109729550 A CN 109729550A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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, disclose a kind of energy saving awakening method suitable for half-duplex wireless communication system.It creates through the invention, providing one kind can avoid consuming the energy saving awakening method of unnecessary energy in half-duplex wireless terminal/active label side, i.e. by configuring reservation time information in terminal wakeup message, it can make half-duplex wireless terminal/active label after obtaining the terminal wakeup message, know that epicycle sends the end time, it is possible thereby to which a longer temporary sleep time, which is arranged, carrys out suspend mode, and feedback data upload message of awakening after sleeping transmission, thus it can be conducive to wireless terminal energy conservation, extend cruise duration.In addition, the energy conservation awakening method also has many advantages, such as to wake up exhaustive, uploads data safety and flexible in application, it is 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 one kind is suitable for half pair
The energy saving awakening method of work 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 half-duplex tag system (the i.e. half-duplex channel radio for being made of half-duplex reader and half-duplex active label
Letter system), due to that can only carry out message transmission or message sink in synchronization, half-duplex active label is being waken up
Afterwards, after needing that a wheel terminal wakeup message is waited to be sent, (at this time by channel competition mechanism feedback data upload message
Half-duplex reader need to enter wireless receiving operating mode), so for half-duplex active label, unnecessary energy will be caused
The problem of consumption, influences the continuation of the journey duration of label.
Summary of the invention
In order to solve the problems, such as that label-side in the presence of existing half-duplex tag system will cause unnecessary energy consumption, this
Goal of the invention is to provide a kind of energy saving awakening method suitable for half-duplex wireless communication system.
The technical scheme adopted by the invention is as follows:
A kind of energy saving awakening method suitable for half-duplex wireless communication system, includes the following steps:
S101. half-duplex base station is introduced into wireless transmission operating mode: continuous on working channel and within the first period
Property the period send multiple terminal wakeup messages, wherein the terminal wakeup message includes target address information, the first period
Duration information and current message tranmitting data register information, the target address information are used to indicate the half-duplex that need to be waken up wirelessly eventually
End, the first period duration information are used to indicate the duration t of first period, and the current message tranmitting data register information is used
In instruction to the timestamp t of current message sending instant from the initial time of the first periodx；
S102. half-duplex base station is after having sent the last one described terminal wakeup message, into wireless receiving Working mould
Working channel is listened to, and receives the data upload message from half-duplex wireless terminal likes:.
Optimization, further include following steps before the step S102:
S201. half-duplex wireless terminal periodically enters wireless receiving operating mode: listening to working channel, and in success
After receiving first terminal wakeup message, according to the first period duration information and the current message tranmitting data register
A length of t-t when temporary sleep is arranged in informationx, subsequently into temporary sleep mode.
It advanced optimizes, half-duplex wireless terminal is in the step S201 and ought be successfully received first end
After holding wakeup message, if it is determined that the target address information and local terminal address matching, then after temporary sleep mode,
It is introduced into wireless transmission operating mode: the data upload message being fed back by channel competition mechanism on working channel, then
Into wireless receiving operating mode: listen to working channel, and be successfully received it is from half-duplex base station and with the data
After the corresponding data of upload message upload confirmation message, into period suspend mode or period awakening mode.
Optimize in detail, if it includes the first temporary sleep duration that the data, which upload confirmation message, half-duplex is wireless
Terminal is introduced into temporary sleep mode according to the first temporary sleep duration after receiving the data and uploading confirmation message,
Again after temporary sleep mode, into period suspend mode or period awakening mode.
Optimize in detail, if the terminal wakeup message also includes that password authentication selects information and password information, partly
Duplex wireless terminal first selects to believe before sending the data upload message by channel competition mechanism according to the password authentication
Breath the correspondence password content prestored is searched in local storage, then judge the password content found whether with the password
Information is consistent, permits to send the data upload message if consistent, and otherwise refusal is sent, wherein the password authentication selection
Information is used to indicate password unique identification corresponding with the password information.
It advanced optimizes, half-duplex wireless terminal is in the step S201 and ought be successfully received first end
After holding wakeup message, if it is determined that the target address information and local terminal address mismatch, then terminate in temporary sleep mode
Afterwards, and enter period suspend mode or period awakening mode.
Optimization, in the step S102, if half-duplex base station does not receive any data upload within effective time and disappears
Breath or after receiving the data upload message of all half-duplex wireless terminals indicated by the target address information transmission,
Then exit wireless receiving operating mode.
Optimization, the terminal wakeup message also includes wake-up task unique identification and the second temporary sleep duration；
Half-duplex wireless terminal is after listening to and receiving the terminal wakeup message, if according to the wake-up task unique identification
It was found that corresponding data, which is completed, uploads task, then temporary sleep mode is introduced into according to the second temporary sleep duration, then
After temporary sleep mode, into period suspend mode or period awakening mode.
Optimization, the duration t of first period is greater than the sleep cycle T, the sleep cycle T of half-duplex wireless terminal
Period sleep time T including half-duplex wireless terminalsleepWith period awakening duration Twake。
It advanced optimizes, when the broadcast cycle of the terminal wakeup message is less than the period awakening of half-duplex wireless terminal
Long Twake。
The invention has the benefit that
(1) the invention provides one kind and can avoid consuming unnecessary energy in half-duplex wireless terminal/active label side
The energy saving awakening method of amount can make half-duplex wireless terminal/have that is, by configuring reservation time information in terminal wakeup message
Source label is after obtaining the terminal wakeup message, it is known that epicycle sends the end time, longer faces it is possible thereby to be arranged one
When dormancy time carry out suspend mode, and after sleeping transmission awaken feedback data upload message, thus can be conducive to wireless terminal section
Can, extend cruise duration；
(2) the energy saving awakening method also has many advantages, such as to wake up exhaustive, uploads data safety and flexible in application, just
In 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 energy saving awakening 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 half-duplex 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 energy saving wake-up side suitable for half-duplex wireless communication system provided in this embodiment
Method, i.e., (can be, but not limited to as half-duplex reader or half-duplex reader) side in half-duplex base station and can be, but not limited to include
Following steps S101~S102.
S101. half-duplex base station is introduced into wireless transmission operating mode: continuous on working channel and within the first period
Property the period send multiple terminal wakeup messages, wherein the terminal wakeup message includes target address information, the first period
Duration information and current message tranmitting data register information, the target address information are used to indicate the half-duplex that need to be waken up wirelessly eventually
End, the first period duration information are used to indicate the duration t of first period, and the current message tranmitting data register information is used
In instruction to the timestamp t of current message sending instant from the initial time of the first periodx。
In the step S101, half-duplex wireless terminal of the terminal wakeup message for wake-up period sleep (can
With but be not limited to half-duplex active label or half-duplex electronic tag), and by within the first period continuity the period send out
Multiple terminal wakeup messages are sent, the probability of wake up target terminal can be greatly improved.Simultaneously by the terminal wakeup message
Middle configuration the first period duration information and the current message tranmitting data register information, can be such that half-duplex wireless terminal is obtaining
After the terminal wakeup message, it is known that epicycle sends the end time, it is possible thereby to which a longer temporary sleep time is arranged (i.e.
t-tx) carry out suspend mode, and feedback data upload message of awakening after sleeping transmission, it thus can be conducive to wireless terminal energy conservation, prolong
Long cruise duration.
Optimization, in order to further ensure that can wake up target terminal, then the duration t of first period be greater than half-duplex
The sleep cycle T, the sleep cycle T of wireless terminal include the period sleep time T of half-duplex wireless terminalsleepFeel with the period
Wake up duration Twake；Or it is further, the period that the broadcast cycle of the terminal wakeup message is less than half-duplex wireless terminal awakens
Duration Twake.It is arranged by aforementioned duration, it can be ensured that wireless terminal can in the awakening duration of any one sleep cycle
The terminal wakeup message is completely received, prevents to occur waking up to omit.Citing, the duration T if the period awakenswakeFor
100ms, the period sleep time TsleepFor 3900ms, then the sleep cycle of wireless terminal is 4 seconds, and the broadcast cycle can be set
It is calculated as 60ms (assuming that a length of 50ms when the transmission of the terminal wakeup message, reserving time slot spacing of 10ms), when described first
The duration of section may be designed as 4020ms, can continuously broadcast 67 terminal wakeup messages.
S102. half-duplex base station is after having sent the last one described terminal wakeup message, into wireless receiving Working mould
Working channel is listened to, and receives the data upload message from half-duplex wireless terminal likes:.
Before the step S102, optimization, further include following steps in half-duplex wireless terminal side: S201. half pair
Work wireless terminal periodically enters wireless receiving operating mode: listening to working channel, and is being successfully received described in first
After terminal wakeup message, temporary sleep is arranged according to the first period duration information and the current message tranmitting data register information
Shi Changwei t-tx, subsequently into temporary sleep mode.In addition, half-duplex wireless terminal is in the step S201 and ought successfully connect
After receiving first terminal wakeup message, if it is determined that the target address information and local terminal address mismatch, then exist
After temporary sleep mode, and enter period suspend mode or period awakening mode.
It in the step S201, advanced optimizes, half-duplex wireless terminal is being successfully received first end
After the wakeup message of end and determine the target address information and local terminal address matching, then after temporary sleep mode,
Into wireless transmission operating mode: the data upload message is fed back by channel competition mechanism on working channel, then into
Enter wireless receiving operating mode: listening to working channel, and be successfully received it is from half-duplex base station and in the data
After passing the corresponding data upload confirmation message of message, into period suspend mode or period awakening mode.Since half-duplex is wireless
Terminal is the data upload message to be fed back by channel competition mechanism, therefore presence leads to reception failure because of risk of collision etc.
The phenomenon that, therefore can inform whether wireless terminal receives success by feeding back the data upload confirmation message.Optimization in detail
, if it includes the first temporary sleep duration that the data, which upload confirmation message, half-duplex wireless terminal is receiving the number
After uploading confirmation message, temporary sleep mode is introduced into according to the first temporary sleep duration, then in temporary sleep mode
After, into period suspend mode or period awakening mode.Thus when informing receives successfully, described first can also be passed through
The configuration of temporary sleep duration, the wireless terminal that data upload is completed in instruction can immediately enter the duration of suspend mode power save mode,
Specific duration can be, but not limited to be uploaded according to the data for completing to collect all current not upper transmission terminals task estimate duration come
Setting can be avoided being waken up and be passed again identical to make wireless terminal after completing data and uploading because entering temporary sleep
Thus data not only can eat dishes without rice or wine to reduce a large amount of data upload message, realize the purpose for reducing message transition collision probability, quickly complete
Task is uploaded at the data of all wireless terminals, can also further be conducive to terminal energy conservation.
In addition, it is necessary to which half-duplex base station is after receiving the data upload message, into wireless transmission operating mode: sending
The data upload confirmation message, then enter back into wireless receiving operating mode: receiving next data upload message.It is right simultaneously
For half-duplex wireless terminal, following steps can also be performed: if not receiving the data on schedule uploads confirmation message, sentencing
It is fixed to send failure, the data upload message then is retransmitted again by channel competition mechanism, until the data upload message
Sending times reach maximum retransmission.Citing, the maximum retransmission can be designed specifically to 3 times.In addition, sending out respectively
Sending the terminal wakeup message, the data upload message and the data to upload the working channel of confirmation message can be same
Radio communication channel on one frequency point, or the radio communication channel on different frequent points.
Further optimize in detail, the first temporary sleep duration: half-duplex base station week can be set as follows
Then the message packet loss of phase property geo-statistic working channel is closed according to message packet loss with the mapping for uploading terminal number
System obtains the number of estimating for going up transmission terminal, subsequently estimates all transmission terminals of going up of number estimation according to this and completes number
Remaining according to the task of upload uploads duration, and residue upload duration is finally set as the first temporary sleep duration.Due to disappearing
Breath packet loss be largely as caused by message transition collision, therefore by the available message packet loss of routine test with
The mapping relations of terminal number are not uploaded, which can be the mapping relations of a pair of of numberical range, such as 0~
1% message packet loss, the corresponding terminal number that do not upload can be 0~50；For 2~3% message packet loss, it is corresponding not
Uploading terminal number can be 100~200.In addition, the remaining duration that uploads for estimating number and estimation again may be by conventional examination
Test acquisition.Terminal number is being uploaded in order to enable the half-duplex wireless terminal for not completing data upload to know, so as to dynamic
The back off time for sending data upload message by channel competition mechanism is set, can make half-duplex base station on sending the data
Before passing confirmation message, if obtained go up transmission terminal estimate number, this is estimated into number and is added to the data upload
In confirmation message；The half-duplex wireless terminal of data upload is not completed after receiving the data and uploading confirmation message, according to institute
It states to estimate number and update to be arranged and passes through the back off time that channel competition mechanism sends data upload message.Wherein, wireless terminal root
According to this estimate number update concrete mode of setting back off time can are as follows: estimate number it is larger when be arranged and longer currently keep out of the way
Time or maximum back off time, estimate number it is smaller when the shorter current back off time of setting or maximum back off time, thus
Back off time can be set dynamically, be further conducive to reduce message packet loss and all data are rapidly completed to upload task.
Optimization, in order to be completed data upload but the period awaken half-duplex wireless terminal instruction can immediately enter
The duration of suspend mode power save mode, when the terminal wakeup message also includes wake-up task unique identification and the second temporary sleep
It is long；Half-duplex wireless terminal is after listening to and receiving the terminal wakeup message, if being found according to the wake-up task unique identification
Corresponding data is completed and uploads task, then temporary sleep mode is introduced into according to the second temporary sleep duration, then interim
After suspend mode, into period suspend mode or period awakening mode.Wherein, the wake-up task unique identification is for referring to
Show that requirement wireless terminal carries out the mission number of data upload, when the second temporary sleep duration can be first period
The sum of long and subsequent second period duration, or all transmission terminals of going up of estimation are completed in the residues of data upload task
Pass duration.
Optimize in detail, it is whether legal in order to verify half-duplex base station, " pseudo-base station " is prevented, optimization, if described
Terminal wakeup message also includes password authentication selection information and password information, then half-duplex wireless terminal is passing through channel competition
Before mechanism sends the data upload message, first selects information to search in local storage according to the password authentication and prestore
Corresponding password content, then judges whether the password content found is consistent with the password information, permits to send if consistent
The data upload message, otherwise refusal is sent, wherein the password authentication selection information is used to indicate and the password information
Corresponding password unique identification.Due to the password authentication select information and password content corresponding relationship be preset in advance it is legal
Half-duplex wireless terminal in, and be preset in legal half-duplex base station in advance the password authentication selection information with it is described
The corresponding relationship of password information is consistent, and aforementioned corresponding relationship is not preset in " pseudo-base station ", therefore half-duplex wireless terminal
Can voluntarily determine whether the half-duplex base station for initiating wakeup message is legal according to the check results of password content and password information,
And only just allow to respond when confirming legal to upload data, it is possible thereby to effectively evade the safety wind that " pseudo-base station " steals data
The purpose that data safety is ensured in interactive process is realized in danger.In addition, the data upload message can be, but not limited to comprising setting
Standby alarm data area information, petroleum technology equipment area information and/or device sensor acquisition data zone information etc..
Further optimize in detail, before the step S101, in order to further ensure that the password authentication selection letter
The transmission safety of breath and/or the password information, prevents from being intercepted in the air by other " hacker " websites, it is therefore necessary to aforementioned heavy
It wants information to encrypt, that is, optimizes, half-duplex base station is before sending the terminal wakeup message, from local storage
It randomly chooses a kind of Encryption Algorithm/and encryption key and selects information and/or the password information to add the password authentication
It is close, and include that the first Encryption Algorithm selection information/and the first encryption key select information in the terminal wakeup message,
In, the first Encryption Algorithm selection information, which is used to indicate, is encrypting the password authentication selection information and/or password letter
The algorithm unique identification of used Encryption Algorithm during breath, the first encryption key selection information, which is used to indicate, to be encrypted
The key unique identification of used encryption key during the password authentication selection information and/or the password information；Half
Duplex wireless terminal first selects information being locally stored after receiving the terminal wakeup message according to first Encryption Algorithm
The correspondence decipherment algorithm/prestored is searched in area and selects information to search in local storage in advance according to first encryption key
Then the correspondence decruption key deposited obtains the password authentication using the decipherment algorithm found and/decryption key decryption and selects
Information and/or the password information.Wherein, the corresponding relationship of the first Encryption Algorithm selection information and decipherment algorithm is pre- in advance
It sets in legal half-duplex wireless terminal, and is selected with first Encryption Algorithm being preset in legal half-duplex base station in advance
Information is selected to match with the corresponding relationship of Encryption Algorithm；The corresponding relationship of the first encryption key selection information and decruption key mentions
Before be preset in legal half-duplex wireless terminal, and be preset in advance in legal half-duplex base station it is described first encryption it is close
Key selection information is matched with the corresponding relationship of encryption key.Since " hacker " website cannot predict aforementioned corresponding relationship in advance, because
This is difficult to crack to obtain the password authentication selection information and/or the password information, can further promote safety.
In the step S102, in order to avoid being made because target terminal is not successfully waken up or completed data upload due to
Listen to waiting at unnecessary, optimization, if do not received within effective time any data upload message or when receive by
After the data upload message that all half-duplex wireless terminals of the target address information instruction are sent, then wireless receiving work is exited
Operation mode.In addition, also may include the second period duration information in the terminal wakeup message, wherein when second period
Long message is used to indicate the duration that half-duplex base station enters next round wake actions, and such half-duplex base station can periodically be exited wirelessly
It receives operating mode and carries out next round wake-up, and competitive channel can be stopped for not completing the wireless terminal that data upload,
Period suspend mode or period awakening mode are switched into, so that next time is waken up.
To sum up, using the energy saving awakening method for being suitable for half-duplex wireless communication system provided by the present embodiment, have
Following technical effect:
(1) present embodiments providing one kind can avoid consuming unnecessary energy in half-duplex wireless terminal/active label side
Energy saving awakening method can make half-duplex wireless terminal/active that is, by configuring reservation time information in terminal wakeup message
Label is after obtaining the terminal wakeup message, it is known that epicycle sends the end time, it is possible thereby to be arranged one it is longer interim
Dormancy time carrys out suspend mode, and feedback data upload message of awakening after sleeping transmission, thus can be conducive to wireless terminal energy conservation,
Extend cruise duration；
(2) the energy saving awakening method also has many advantages, such as to wake up exhaustive, uploads data safety and flexible in application, just
In practical promotion and application.
Embodiment two
As shown in figure 3, present embodiments providing a kind of half-duplex for realizing energy conservation awakening method described in previous embodiment one
Wireless communication system, including half-duplex base station, wherein the half-duplex base station includes the first wireless transmitting unit, first wireless
Receiving unit and the first switch unit；
First wireless transmitting unit, for the first continuity on working channel and within the first period the period sends
Multiple terminal wakeup messages；
Second radio receiving unit, for listening to work after having sent the last one described terminal wakeup message
Channel, and receive the data upload message from half-duplex wireless terminal, wherein the terminal wakeup message includes targetedly
Location information, the first period duration information and current message tranmitting data register information, the target address information, which is used to indicate, to be called out
Awake half-duplex wireless terminal, the first period duration information is used to indicate the duration t of first period, described currently to disappear
Breath tranmitting data register information is used to indicate the timestamp t from the initial time of the first period to current message sending instantx；
First switch unit starts first wireless transmitting unit and the first wireless receiving list for switching
Member.
Optimization, further include several half-duplex wireless terminals, wherein the half-duplex wireless terminal wirelessly connects including second
Receive unit and the second Energy Saving Control unit；
Second radio receiving unit receives the terminal wakeup message for periodically listening to working channel；
The second Energy Saving Control unit, for after being successfully received first terminal wakeup message, according to institute
State a length of t-t when the first period duration information and current message tranmitting data register information setting temporary sleepx, then control into
Enter temporary sleep mode.
It advanced optimizes, the half-duplex wireless terminal further includes the second switch unit and the second wireless transmitting unit；
Second switch unit starts second wireless transmitting unit and the second wireless receiving list for switching
Member, and after being successfully received first terminal wakeup message, if it is determined that the target address information and local terminal
Address matching starts second wireless transmitting unit then after temporary sleep mode；
Second wireless transmitting unit is uploaded for feeding back the data by channel competition mechanism on working channel
Message；
Second radio receiving unit is also used to after sending the data upload message, listens to working channel, receives
Data from half-duplex base station and corresponding with the data upload message upload confirmation message；
The second Energy Saving Control unit is also used to after receiving the data and uploading confirmation message, and control enters week
Phase suspend mode or period awakening mode.
Optimize in detail, the second Energy Saving Control unit, is also used to receiving include the first temporary sleep duration
After data upload confirmation message, is first controlled according to the first temporary sleep duration and enter temporary sleep mode, then stopped temporarily
After sleep mode, control enters period suspend mode or period awakening mode.
Optimize in detail, the half-duplex wireless terminal further includes the second safety check unit；
The second safety check unit is used for before sending the data upload message by channel competition mechanism and receives
To when including the terminal wakeup message of password authentication selection information and password information, information is first selected according to the password authentication
The correspondence password content prestored is searched in local storage, then judges whether the password content found is believed with the password
Breath is consistent, permits to send the data upload message if consistent, and otherwise refusal is sent, wherein the password authentication selection letter
Breath is used to indicate password unique identification corresponding with the password information.
It advanced optimizes, the second Energy Saving Control unit, is also used to call out being successfully received first terminal
After message of waking up, if it is determined that the target address information and local terminal address mismatch, then after temporary sleep mode, again
Control enters period suspend mode or period awakening mode.
It advanced optimizes, the second Energy Saving Control unit, is also used to uniquely be marked comprising wake-up task listening to receive
After knowing the terminal wakeup message with temporary sleep duration, if corresponding data is completed according to wake-up task unique identification discovery
Upload task then first controls 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.
Optimization, the half-duplex base station further includes the first Energy Saving Control unit；
The first Energy Saving Control unit, for not receiving any data upload message within effective time or when reception
After the data upload message sent to all half-duplex wireless terminals indicated by the target address information, control is exited wireless
Receive operating mode.
Optimization, the duration t of first period is greater than the sleep cycle T, the sleep cycle T of half-duplex wireless terminal
Period sleep time T including half-duplex wireless terminalsleepWith period awakening duration Twake。
It advanced optimizes, when the broadcast cycle of the terminal wakeup message is less than the period awakening of half-duplex wireless terminal
Long Twake。
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 energy saving awakening method suitable for half-duplex wireless communication system, which comprises the steps of:
S101. half-duplex base station is introduced into wireless transmission operating mode: the continuity on working channel and within the first period
Period sends multiple terminal wakeup messages, wherein the terminal wakeup message includes target address information, the first period duration
Information and current message tranmitting data register information, the target address information are used to indicate the half-duplex wireless terminal that need to be waken up,
The first period duration information is used to indicate the duration t of first period, and the current message tranmitting data register information is used for
Instruction is from the initial time of the first period to the timestamp t of current message sending instantx；
S102. half-duplex base station is after having sent the last one described terminal wakeup message, into wireless receiving operating mode: detecing
Working channel is listened, and receives the data upload message from half-duplex wireless terminal.
2. a kind of energy saving awakening method suitable for half-duplex wireless communication system as described in claim 1, it is characterised in that:
Further include following steps before the step S102:
S201. half-duplex wireless terminal periodically enters wireless receiving operating mode: listening to working channel, and is being properly received
To after first terminal wakeup message, according to the first period duration information and the current message tranmitting data register information
A length of t-t when temporary sleep is setx, subsequently into temporary sleep mode.
3. a kind of energy saving awakening method suitable for half-duplex wireless communication system as claimed in claim 2, it is characterised in that:
Half-duplex wireless terminal is in the step S201 and after being successfully received first terminal wakeup message, if sentencing
The fixed target address information and local terminal address matching are introduced into wireless transmission work then after temporary sleep mode
Operation mode: feeding back the data upload message by channel competition mechanism on working channel, works subsequently into wireless receiving
Mode: working channel is listened to, and is being successfully received number from half-duplex base station and corresponding with the data upload message
After uploading confirmation message, into period suspend mode or period awakening mode.
4. a kind of energy saving awakening method suitable for half-duplex wireless communication system as claimed in claim 3, it is characterised in that:
If it includes the first temporary sleep duration that the data, which upload confirmation message, half-duplex wireless terminal is receiving the number
After uploading confirmation message, temporary sleep mode is introduced into according to the first temporary sleep duration, then in temporary sleep mode
After, into period suspend mode or period awakening mode.
5. a kind of energy saving awakening method suitable for half-duplex wireless communication system as claimed in claim 3, it is characterised in that:
If the terminal wakeup message also includes password authentication selection information and password information, half-duplex wireless terminal is logical
Before crossing the channel competition mechanism transmission data upload message, first select information in local storage according to the password authentication
The correspondence password content prestored is searched, then judges whether the password content found is consistent with the password information, if unanimously
Then permit to send the data upload message, otherwise refusal is sent, wherein the password authentication selection information is used to indicate and institute
State the corresponding password unique identification of password information.
6. a kind of energy saving awakening method suitable for half-duplex wireless communication system as claimed in claim 2, it is characterised in that:
Half-duplex wireless terminal is in the step S201 and after being successfully received first terminal wakeup message, if sentencing
The fixed target address information and local terminal address mismatch, then after temporary sleep mode, and enter period suspend mode
Mode or period awakening mode.
7. a kind of energy saving awakening method suitable for half-duplex wireless communication system as described in claim 1, it is characterised in that:
In the step S102, if half-duplex base station does not receive any data upload message within effective time or when reception
After the data upload message sent to all half-duplex wireless terminals indicated by the target address information, then exits and wirelessly connect
Knock off operation mode.
8. a kind of energy saving awakening method suitable for half-duplex wireless communication system as described in claim 1, it is characterised in that:
The terminal wakeup message also includes wake-up task unique identification and the second temporary sleep duration；
Half-duplex wireless terminal is after listening to and receiving the terminal wakeup message, if being found according to the wake-up task unique identification
Corresponding data is completed and uploads task, then temporary sleep mode is introduced into according to the second temporary sleep duration, then interim
After suspend mode, into period suspend mode or period awakening mode.
9. a kind of energy saving awakening method suitable for half-duplex wireless communication system as described in claim 1, it is characterised in that:
The duration t of first period is greater than the sleep cycle T of half-duplex wireless terminal, and the sleep cycle T includes half-duplex
The period sleep time T of wireless terminalsleepWith period awakening duration Twake。
10. a kind of energy saving awakening method suitable for half-duplex wireless communication system as claimed in claim 9, feature exist
In:
The broadcast cycle of the terminal wakeup message is less than the period awakening duration T of half-duplex wireless terminalwake。
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110520840A (en) * | 2019-07-17 | 2019-11-29 | 北京小米移动软件有限公司 | Wake-up signal processing, information issuing method and device, communication equipment and medium |
| CN112333766A (en) * | 2020-11-13 | 2021-02-05 | 北京美斯顿科技开发有限公司 | Wireless communication method, system, terminal communication equipment and electronic equipment |
| WO2021026671A1 (en) * | 2019-08-09 | 2021-02-18 | 浙江汉朔电子科技有限公司 | Electronic price tag communications system, method and apparatus |
| WO2022127448A1 (en) * | 2020-12-15 | 2022-06-23 | 中兴通讯股份有限公司 | Message transmission method, terminals and storage medium |
| WO2022228085A1 (en) * | 2021-04-30 | 2022-11-03 | 华为技术有限公司 | Sleep scheduling method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110520840A (en) * | 2019-07-17 | 2019-11-29 | 北京小米移动软件有限公司 | Wake-up signal processing, information issuing method and device, communication equipment and medium |
| CN110520840B (en) * | 2019-07-17 | 2023-06-27 | 北京小米移动软件有限公司 | Wake-up signal processing method, wake-up signal processing device, wake-up signal information issuing device, communication equipment and medium |
| WO2021026671A1 (en) * | 2019-08-09 | 2021-02-18 | 浙江汉朔电子科技有限公司 | Electronic price tag communications system, method and apparatus |
| US11977947B2 (en) | 2019-08-09 | 2024-05-07 | Hanshow Technology Co., Ltd. | Electronic shelf label communication system, method and apparatus |
| CN112333766A (en) * | 2020-11-13 | 2021-02-05 | 北京美斯顿科技开发有限公司 | Wireless communication method, system, terminal communication equipment and electronic equipment |
| WO2022127448A1 (en) * | 2020-12-15 | 2022-06-23 | 中兴通讯股份有限公司 | Message transmission method, terminals and storage medium |
| WO2022228085A1 (en) * | 2021-04-30 | 2022-11-03 | 华为技术有限公司 | Sleep scheduling method and device |
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