CN109041179A - Communication means and communication device, the communication equipment of WLAN - Google Patents
Communication means and communication device, the communication equipment of WLAN Download PDFInfo
- Publication number
- CN109041179A CN109041179A CN201710433644.3A CN201710433644A CN109041179A CN 109041179 A CN109041179 A CN 109041179A CN 201710433644 A CN201710433644 A CN 201710433644A CN 109041179 A CN109041179 A CN 109041179A
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- China
- Prior art keywords
- message frame
- wur
- frame
- website
- access point
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving 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
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving 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
-
- 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
Abstract
The present invention provides a kind of communication means of WLAN and communication devices, communication equipment, wherein the communication means of the WLAN for website includes: the principal communication interface by the website from the data frame of access point；When the current data frame received is the last one data frame transmitted in current transmission chance, the confirmation message frame for all data frames received in the current transmission chance is generated, includes temporal information in the confirmation message frame；The confirmation message frame is sent to described access point, wherein the value of the temporal information indicates duration needed for the website enters dormant state to principal communication interface described in described access point request confirmation from after sending the confirmation message frame.According to the technical solution of the present invention, it can be effectively reduced equipment power dissipation, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Description
Technical field
The present invention relates to field of communication technology, in particular to the communication means of WLAN, WLAN
Communication device and communication equipment.
Background technique
In July, 2016, IEEE (Institute of Electrical and Electronics Engineers, electricity
Gas and Electronic Engineering Association) 802.11 set up next-generation Wi-Fi (Wireless Fidelity, Wireless Fidelity) technology
Study group WUR (Wake Up Receiver), i.e. IEEE802.11ba, in terms of being mainly used in Internet of Things, in order to the greatest extent
Maximum possible saves the power consumption of equipment, most importantly in order to make to receive the equipment of wake-up frame (wakeup message frame) to the greatest extent most
The power consumption of equipment may be saved greatly.
When site apparatus enters WUR state, (i.e. the secondary communication interface of site apparatus is in and powers on wake states, and principal communication connects
Mouth is in a dormant state) after, if being it with STAs (Stations, website) associated AP (Access Point, access point)
Downlink data frame has been cached, then can wake up the principal communication interface of STAs by way of sending wakeup message frame to STAs to connect
Receive the downlink data frame that AP is STAs caching.
But after STAs has received downlink data frame, in order to enable equipment power dissipation is smaller, i.e., so that equipment more saves
Electricity meets the needs of IEEE 802.11ba, needs that equipment is made to be again introduced into WUR state.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, proposes a kind of communication party of new WLAN
Case, received current data frame is determined as what access point transmitted in current transmission chance after the principal communication interface revival of website
When the last one data frame, then WUR state can be again introduced into based on the interaction mechanism of data frame and ACK, to reduce equipment function
Consumption, so that equipment more power saving, meets the needs of IEEE 802.11ba.
In view of this, according to the first aspect of the invention, a kind of communication means of WLAN is proposed, for standing
Point, the communication means of the WLAN include: the principal communication interface by the website from the data of access point
Frame；When the current data frame received is the last one data frame transmitted in current transmission chance, generate for described
The confirmation message frame of all data frames received in current transmission chance includes temporal information in the confirmation message frame；
The confirmation message frame is sent to described access point, wherein the value of the temporal information indicates that the website is described true from sending
Duration needed for entering dormant state to principal communication interface described in described access point request confirmation is recognized after message frame.
In the technical scheme, access point is received after the principal communication interface revival of website for the data frame of its caching, when connecing
Harvest the last one data of access point in current transmission chance (TXOP, Transmission Opportunity) for its transmission
When frame, then website can be negotiated reenter WUR state with access point, i.e., the principal communication interface of website in a dormant state, it is secondary
Communication interface specifically works as master in the state for the wakeup message frame that access point transmission is listened in revival or periodical wake states
Communication interface received current transmission chance transmission all data frames after then to access point transmission include temporal information really
Recognize message frame, duration needed for being again introduced into dormant state with the principal communication interface for negotiating website with access point is based on data
The interaction mechanism confirmation website of frame and ACK (Acknowledgement confirms character) have received access point as the downlink of its caching
WUR state is reentered after data, to reduce equipment power dissipation, so that equipment more power saving, meets the need of IEEE 802.11ba
It asks.
Wherein, busy channel has been reserved in the interaction by the duration information of confirmation message frame to subsequent WUR message frame
Time is equivalent to the extension to current TXOP, also illustrates that other equipment that carry out data interaction cannot occupy this section of duration.
Wherein, the principal communication interface of website is after the last one data frame for having received the transmission of current transmission chance to access
Point sends confirmation message frame, on the one hand for confirming to all data frames having been received in current transmission chance, i.e.,
Confirm that data receiver is complete and accurate, on the other hand confirms for WUR state will to be entered to website.
Further, website can be the mac frame of the data frame of its transmission in current transmission chance by parsing access point
A bit is arranged for marking to determine whether the data frame being currently received is the last one, such as in mac frame head in head
Knowing the current data frame is the last one data frame that access point is transmitted in current transmission chance, in order to inform that website is receiving
Complete the last one data frame can start the WUR state that reenters, and reduce equipment power dissipation.
In the above-mentioned technical solutions, it is preferable that the communication means of the WLAN is sending the confirmation message frame
To described access point further include: send WUR request message frame to described access point；Described access point is received in response to described
The WUR response message frame of WUR request message frame feedback, to confirm that the principal communication interface enters dormant state.
In the technical scheme, in order to complete website and access point negotiates it and reenters WUR state, to access point
After sending confirmation message frame, it can be requested by sending WUR request message frame to access point and receiving access point in response to the WUR
The form of the WUR response message frame of message frame feedback completes the process for negotiating to reenter WUR state with access point, i.e., in website
Receive access point feedback WUR response frame after can enter its principal communication interface suspend mode WUR state.
In any of the above-described technical solution, it is preferable that the corresponding duration of the value of the temporal information includes: 2 short interframe
It is spaced, the transmission duration of the transmission duration of the WUR request message frame and the WUR response message frame.
In the technical scheme, website can be spaced a short interFrameGap after sending confirmation message frame to access point
(SIFS, Short Interframe Space) sends WUR request message frame to access point again, and is sending WUR request
WUR shape can be reentered by being spaced after a short interFrameGap has received the WUR response message frame that access point is fed back after message frame
State, that is to say, that website can when being arranged into the confirmation message frame that access point is sent a length of 2 short interFrameGaps, 1
The temporal information of the sum of the transmission duration of the transmission duration of WUR request message frame and 1 WUR response message frame, with access point
The confirmation of WUR state will be reentered by completing website.
In any of the above-described technical solution, it is preferable that the temporal information is located at the media interviews of the confirmation message frame
Control the non-neutralizable fraction in frame head.
In the technical scheme, temporal information can be arranged in media access control (MAC, the Media of confirmation message frame
Access Control) continue the part (Duration) in frame head, in order to access parsing confirmation.
According to the second aspect of the invention, it is also proposed that a kind of communication device of WLAN is used for website, the nothing
The communication device of line local area network includes: receiving module, for the principal communication interface by the website from access point
Data frame；Generation module, for being to be transmitted most in current transmission chance when the current data frame that the receiving module receives
When the latter data frame, the confirmation message frame for all data frames received in the current transmission chance, institute are generated
Stating in confirmation message frame includes temporal information；Sending module, the confirmation message generated for sending the generation module
Frame is to described access point, wherein the value of the temporal information indicates the website from after sending the confirmation message frame to described
Duration needed for principal communication interface described in access point request confirmation enters dormant state.
In the technical scheme, access point is received after the principal communication interface revival of website for the data frame of its caching, when connecing
Access point is harvested in the last one data frame of current transmission chance for its transmission, then website can be negotiated again with access point
Into WUR state, i.e., the principal communication interface of website in a dormant state, secondary communication interface be in revival or periodical wake states
The state of the wakeup message frame of access point transmission is listened to, specifically, when the complete current transmission chance transmission of principal communication interface
It then include the confirmation message frame of temporal information to access point transmission after all data frames, it is logical with the master for negotiating website with access point
Duration needed for letter interface is again introduced into dormant state has been received based on the interaction mechanism of data frame and ACK confirmation website and has been connect
Access point reenters WUR state after the downlink data for its caching, to reduce equipment power dissipation, so that equipment more power saving, meets
The demand of IEEE 802.11ba.
Wherein, busy channel has been reserved in the interaction by the duration information of confirmation message frame to subsequent WUR message frame
Time is equivalent to the extension to current TXOP, also illustrates that other equipment that carry out data interaction cannot occupy this section of duration.
Wherein, the principal communication interface of website is after the last one data frame for having received the transmission of current transmission chance to access
Point sends confirmation message frame, on the one hand for confirming to all data frames having been received in current transmission chance, i.e.,
Confirm that data receiver is complete and accurate, on the other hand confirms for WUR state will to be entered to website.
Further, website can be the mac frame of the data frame of its transmission in current transmission chance by parsing access point
A bit is arranged for marking to determine whether the data frame being currently received is the last one, such as in mac frame head in head
Knowing the current data frame is the last one data frame that access point is transmitted in current transmission chance, in order to inform that website is receiving
Complete the last one data frame can start the WUR state that reenters, and reduce equipment power dissipation.
In the above-mentioned technical solutions, it is preferable that the sending module is also used to: sending the confirmation message frame to described
After access point, WUR request message frame is sent to described access point；The receiving module is also used to: being received described access point and is rung
The WUR response message frame of the feedback of WUR request message frame described in Ying Yu, to confirm that the principal communication interface enters dormant state.
In the technical scheme, in order to complete website and access point negotiates it and reenters WUR state, to access point
After sending confirmation message frame, it can be requested by sending WUR request message frame to access point and receiving access point in response to the WUR
The form of the WUR response message frame of message frame feedback completes the process for negotiating to reenter WUR state with access point, i.e., in website
Receive access point feedback WUR response frame after can enter its principal communication interface suspend mode WUR state.
In any of the above-described technical solution, it is preferable that the corresponding duration of the value of the temporal information includes: 2 short interframe
It is spaced, the transmission duration of the transmission duration of the WUR request message frame and the WUR response message frame.
In the technical scheme, website can be spaced a short interFrameGap again after sending confirmation message frame to access point
WUR request message frame is sent to access point, and is spaced a short interFrameGap after having sent WUR request message frame and has received
WUR state can be reentered after the WUR response message frame of access point feedback, that is to say, that website can be sent out to access point
A length of 2 short interFrameGaps when being arranged in the confirmation message frame sent, the transmission duration of 1 WUR request message frame and 1 WUR are rung
The temporal information of the sum of transmission duration of message frame is answered, the confirmation of WUR state will be reentered to complete website with access point.
In any of the above-described technical solution, it is preferable that the temporal information is located at the media interviews of the confirmation message frame
Control the non-neutralizable fraction in frame head.
In the technical scheme, temporal information can be arranged in holding in the media access control frames head of confirmation message frame
Continuous part, in order to access parsing confirmation.
According to the third aspect of the invention we, it is also proposed that a kind of communication means of WLAN is used for access point, described
The communication means of WLAN includes: the last one data sent in current transmission chance to the principal communication interface of website
Frame；Receive the confirmation message frame that the website is directed to all data frames received in the current transmission chance, wherein institute
State includes that the value of temporal information and the temporal information indicates that the website disappears from the confirmation is sent in confirmation message frame
Duration needed for entering dormant state to principal communication interface described in described access point request confirmation after breath frame.
In the technical scheme, be then sent to it in current transmission chance after the principal communication interface of website is waken up for
Its data frame cached can then negotiate it with website and reenter WUR state after transferring the last one data frame, with
Make the principal communication interface of website again in a dormant state and secondly communication interface is in revival or periodical wake states are listened to
The state for the wakeup message frame that access point is sent, specifically, when the complete access point of principal communication interface of website is in current transmission
Chance for its transmission all data frames after then receiving station send include temporal information confirmation message frame, with progress
The negotiation of duration needed for making the principal communication interface of website be again introduced into dormant state, i.e. the interaction machine based on data frame and ACK
System confirmation website reenters WUR state after having received the downlink data for its caching, to reduce equipment power dissipation, so that equipment is more
Add power saving, meets the needs of IEEE 802.11ba.
Wherein, busy channel has been reserved in the interaction by the duration information of confirmation message frame to subsequent WUR message frame
Time is equivalent to the extension to current TXOP, also illustrates that other equipment that carry out data interaction cannot occupy this section of duration.
Wherein, the principal communication interface of website is sent after the last one data frame for having received the transmission of current transmission chance
Confirmation message frame confirms number on the one hand for confirming to all data frames having been received in current transmission chance
It is complete and accurate according to receiving, on the other hand confirm for WUR state will to be entered to website.
Further, access point is set in the mac frame head for the last one data frame that current transmission chance is station transmission
Mark is set to determine whether the data frame being currently received is the last one for website parsing, for example is arranged one in mac frame head
It is the last one data frame that access point is transmitted in current transmission chance that a bit, which is used to identify the current data frame, in order to
Inform that website can start the WUR state that reenters having received the last one data frame, reduction equipment power dissipation.
In the above-mentioned technical solutions, it is preferable that the communication means of the WLAN is receiving the confirmation message
After frame further include: receive the WUR request message frame that the principal communication interface is sent；It generates and is directed to the WUR request message frame
WUR response message frame；The WUR response message frame is sent to the website, to confirm that the principal communication interface enters suspend mode
State.
In the technical scheme, it in order to complete to negotiate it with website to reenter WUR state, is sent receiving website
Confirmation message frame after, can by receiving station send WUR request message frame and respond thereto to website send out
The form of WUR response message frame is sent to complete to negotiate its process for reentering WUR state with website, i.e., website is receiving access
The WUR state of its principal communication interface suspend mode can be entered after the WUR response frame of point feedback.
In any of the above-described technical solution, it is preferable that the corresponding duration of the value of the temporal information includes: 2 short interframe
It is spaced, the transmission duration of the transmission duration of the WUR request message frame and the WUR response message frame.
In the technical scheme, website can be spaced a short interFrameGap again after sending confirmation message frame to access point
WUR request message frame is sent to access point, and is spaced a short interFrameGap after having sent WUR request message frame and has received
WUR state can be reentered after the WUR response message frame of access point feedback, that is to say, that website can be sent out to access point
A length of 2 short interFrameGaps when being arranged in the confirmation message frame sent, the transmission duration of 1 WUR request message frame and 1 WUR are rung
The temporal information of the sum of transmission duration of message frame is answered, the confirmation of WUR state will be reentered to complete website.
According to the fourth aspect of the invention, it is also proposed that a kind of communication device of WLAN is used for access point, described
The communication device of WLAN includes: sending module, for sending in current transmission chance to the principal communication interface of website
The last one data frame；Receiving module, it is all for what is received in the current transmission chance for receiving the website
The confirmation message frame of data frame, wherein include the value table of temporal information and the temporal information in the confirmation message frame
Show that the website enters suspend mode shape to principal communication interface described in described access point request confirmation from after sending the confirmation message frame
Duration needed for state.
In the technical scheme, be then sent to it in current transmission chance after the principal communication interface of website is waken up for
Its data frame cached can then negotiate it with website and reenter WUR state after transferring the last one data frame, with
Make the principal communication interface of website again in a dormant state and secondly communication interface is in revival or periodical wake states are listened to
The state for the wakeup message frame that access point is sent, specifically, when the complete access point of principal communication interface of website is in current transmission
Chance for its transmission all data frames after then receiving station send include temporal information confirmation message frame, with progress
The negotiation of duration needed for making the principal communication interface of website be again introduced into dormant state, i.e. the interaction machine based on data frame and ACK
System confirmation website reenters WUR state after having received the downlink data for its caching, to reduce equipment power dissipation, so that equipment is more
Add power saving, meets the needs of IEEE 802.11ba.
Wherein, busy channel has been reserved in the interaction by the duration information of confirmation message frame to subsequent WUR message frame
Time is equivalent to the extension to current TXOP, also illustrates that other equipment that carry out data interaction cannot occupy this section of duration.
Wherein, the principal communication interface of website is sent after the last one data frame for having received the transmission of current transmission chance
Confirmation message frame confirms number on the one hand for confirming to all data frames having been received in current transmission chance
It is complete and accurate according to receiving, on the other hand confirm for WUR state will to be entered to website.
Further, access point is set in the mac frame head for the last one data frame that current transmission chance is station transmission
Mark is set to determine whether the data frame being currently received is the last one for website parsing, for example is arranged one in mac frame head
It is the last one data frame that access point is transmitted in current transmission chance that a bit, which is used to identify the current data frame, in order to
Inform that website can start the WUR state that reenters having received the last one data frame, reduction equipment power dissipation.
In the above-mentioned technical solutions, it is preferable that the receiving module is also used to: receive the confirmation message frame it
Afterwards, the WUR request message frame that the principal communication interface is sent is received；The communication device of the WLAN further include: generate
Module, for generating the WUR response message frame for being directed to the WUR request message frame that the receiving module receives；And institute
It states sending module to be also used to: the WUR response message frame that the generation module generates is sent to the website, described in confirmation
Principal communication interface enters dormant state.
In the technical scheme, it in order to complete to negotiate it with website to reenter WUR state, is sent receiving website
Confirmation message frame after, can by receiving station send WUR request message frame and respond thereto to website send out
The form of WUR response message frame is sent to complete to negotiate its process for reentering WUR state with website, i.e., website is receiving access
The WUR state of its principal communication interface suspend mode can be entered after the WUR response frame of point feedback.
In any of the above-described technical solution, it is preferable that the corresponding duration of the value of the temporal information includes: 2 short interframe
It is spaced, the transmission duration of the transmission duration of the WUR request message frame and the WUR response message frame.
In the technical scheme, website can be spaced a short interFrameGap again after sending confirmation message frame to access point
WUR request message frame is sent to access point, and is spaced a short interFrameGap after having sent WUR request message frame and has received
WUR state can be reentered after the WUR response message frame of access point feedback, that is to say, that website can be sent out to access point
A length of 2 short interFrameGaps when being arranged in the confirmation message frame sent, the transmission duration of 1 WUR request message frame and 1 WUR are rung
The temporal information of the sum of transmission duration of message frame is answered, the confirmation of WUR state will be reentered to complete website.
According to the fifth aspect of the invention, it is also proposed that a kind of communication equipment, comprising: the nothing as described in above-mentioned second aspect
The communication device of line local area network；And/or the communication device of the WLAN as described in above-mentioned fourth aspect.
Above-mentioned technical proposal through the invention, received current data frame determines after the principal communication interface revival of website
It, then can be based on data frame and confirmation message frame when the last one data frame transmitted in current transmission chance for access point
Interaction mechanism is again introduced into WUR state, to reduce equipment power dissipation, so that equipment more power saving, meets the need of IEEE 802.11ba
It asks.
Detailed description of the invention
Fig. 1 shows the flow diagram of the communication means of the WLAN of first embodiment of the invention；
Fig. 2 shows the flow diagrams of the communication means of the WLAN of second embodiment of the invention；
Fig. 3 shows the website of the embodiment of the present invention and access point is negotiated to reenter the process schematic of WUR state；
Fig. 4 shows the schematic block diagram of the communication device of the WLAN of first embodiment of the invention；
Fig. 5 shows the flow diagram of the communication means of the WLAN of third embodiment of the invention；
Fig. 6 shows the flow diagram of the communication means of the WLAN of fourth embodiment of the invention；
Fig. 7 shows the schematic block diagram of the communication device of the WLAN of second embodiment of the invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
It is said below with reference to communication means of the Fig. 1 to Fig. 3 to the WLAN for website of the embodiment of the present invention
It is bright.
As shown in Figure 1, the communication means of the WLAN according to an embodiment of the present invention for website, specifically include with
Lower process step:
Step 102, by the principal communication interface of the website from the data frame of access point.
Step 104, raw when the current data frame received is the last one data frame transmitted in current transmission chance
At the confirmation message frame for all data frames received in the current transmission chance, include in the confirmation message frame
Having time information.
Step 106, the confirmation message frame is sent to described access point, wherein described in the value expression of the temporal information
Website enters needed for dormant state from after sending the confirmation message frame to principal communication interface described in described access point request confirmation
Duration.
In this embodiment, access point is received as the data frame of its caching after the principal communication interface revival of website, work as reception
Complete access point current transmission chance for its transmission the last one data frame when, then website can with access point negotiate again into
Enter WUR state, i.e., the principal communication interface of website is in a dormant state, secondary communication interface is in revival or periodical wake states are detectd
The state for the wakeup message frame for listening access point to send, specifically, when the institute of the complete current transmission chance transmission of principal communication interface
Have then sent to access point after data frame include temporal information confirmation message frame, to negotiate the principal communication of website with access point
Duration needed for interface is again introduced into dormant state has received access based on the interaction mechanism of data frame and ACK confirmation website
Point reenters WUR state after the downlink data for its caching, to reduce equipment power dissipation, so that equipment more power saving, meets
The demand of IEEE 802.11ba.
Wherein, busy channel has been reserved in the interaction by the duration information of confirmation message frame to subsequent WUR message frame
Time is equivalent to the extension to current TXOP, also illustrates that other equipment that carry out data interaction cannot occupy this section of duration.
Wherein, the principal communication interface of website is after the last one data frame for having received the transmission of current transmission chance to access
Point sends confirmation message frame, on the one hand for confirming to all data frames having been received in current transmission chance, i.e.,
Confirm that data receiver is complete and accurate, on the other hand confirms for WUR state will to be entered to website.
Further, website can be the mac frame of the data frame of its transmission in current transmission chance by parsing access point
A bit is arranged for marking to determine whether the data frame being currently received is the last one, such as in mac frame head in head
Knowing the current data frame is the last one data frame that access point is transmitted in current transmission chance, in order to inform that website is receiving
Complete the last one data frame can start the WUR state that reenters, and reduce equipment power dissipation.
Further, as shown in Fig. 2, the communication means of the WLAN is in addition to 102~step 106 of above-mentioned steps,
Further include following below scheme step after the step 106:
Step 108, WUR request message frame is sent to described access point.
Step 110, the WUR response message frame that described access point is fed back in response to the WUR request message frame is received, with true
Recognize the principal communication interface and enters dormant state.
In this embodiment, negotiate it in order to complete website and access point and reenter WUR state, sent out to access point
After sending confirmation message frame, it can be disappeared by sending WUR request message frame to access point and receiving access point in response to WUR request
The form of the WUR response message frame of breath frame feedback completes the process for negotiating to reenter WUR state with access point, i.e., connects in website
Receive access point feedback WUR response frame after can enter its principal communication interface suspend mode WUR state.
Further, in any of the above-described embodiment, the corresponding duration of the value of the temporal information includes: 2 short interframe
It is spaced, the transmission duration of the transmission duration of the WUR request message frame and the WUR response message frame.
In this embodiment, website can be sent out after receiving the last one data frame that access point is sent to access point
It send confirmation message frame (i.e. ACK) to be spaced a short interFrameGap afterwards and sends WUR request message frame to access point again, and sending
Being spaced after complete WUR request message frame can be again after a short interFrameGap has received the WUR response message frame that access point is fed back
Into WUR state, process is as shown in Figure 3, that is to say, that website can be when being arranged into the confirmation message frame that access point is sent
The sum of a length of 2 short interFrameGaps, the transmission duration of 1 WUR request message frame and transmission duration of 1 WUR response message frame
Temporal information, the confirmation of WUR state will be reentered to complete website with access point.
Further, in any of the above-described embodiment, the temporal information is located at the media interviews of the confirmation message frame
Control the non-neutralizable fraction in frame head.
Continue in this embodiment it is possible to which temporal information is arranged in the media access control frames head of confirmation message frame
Part, in order to access parsing confirmation.
Wherein, the executing subject of Fig. 1 and communication means shown in Fig. 2 can be in the network of access point and website composition
Site apparatus, for example equipment such as smart phone or PDA (Personal Digital Assistant, palm PC).
Wherein, the interface that site apparatus receives wakeup message frame is next communication interface, and receives the mesh of wakeup message frame
Be exactly in order to wake up the principal communication interface of site apparatus, to be used to carry out communication to obtain access point apparatus as its caching
Downlink data frame, it may be physically separate, it is also possible to divide in logic that specifically primary and secondary communication interface, which can be antenna,
It opens.
Fig. 4 shows the schematic block diagram of the communication device of the WLAN of first embodiment of the invention.
As shown in figure 4, the communication device 40 of the WLAN according to an embodiment of the present invention for website includes: to receive
Module 402, generation module 404 and sending module 406.
Wherein, the receiving module 402 is used for the principal communication interface by the website from the data of access point
Frame；The current data frame that the generation module 404 is used to receive when the receiving module 402 is to transmit in current transmission chance
The last one data frame when, generate for the confirmation message of all data frames received in the current transmission chance
Frame includes temporal information in the confirmation message frame；The sending module 406 is generated for sending the generation module 404
The confirmation message frame to described access point, wherein the value of the temporal information indicates the website from sending the confirmation
Duration needed for entering dormant state to principal communication interface described in described access point request confirmation after message frame.
In this embodiment, access point is received as the data frame of its caching after the principal communication interface revival of website, work as reception
Complete access point current transmission chance for its transmission the last one data frame when, then website can with access point negotiate again into
Enter WUR state, i.e., the principal communication interface of website is in a dormant state, secondary communication interface is in revival or periodical wake states are detectd
The state for the wakeup message frame for listening access point to send, specifically, when the institute of the complete current transmission chance transmission of principal communication interface
Have then sent to access point after data frame include temporal information confirmation message frame, to negotiate the principal communication of website with access point
Duration needed for interface is again introduced into dormant state has received access based on the interaction mechanism of data frame and ACK confirmation website
Point reenters WUR state after the downlink data for its caching, to reduce equipment power dissipation, so that equipment more power saving, meets
The demand of IEEE 802.11ba.
Wherein, busy channel has been reserved in the interaction by the duration information of confirmation message frame to subsequent WUR message frame
Time is equivalent to the extension to current TXOP, also illustrates that other equipment that carry out data interaction cannot occupy this section of duration.
Wherein, the principal communication interface of website is after the last one data frame for having received the transmission of current transmission chance to access
Point sends confirmation message frame, on the one hand for confirming to all data frames having been received in current transmission chance, i.e.,
Confirm that data receiver is complete and accurate, on the other hand confirms for WUR state will to be entered to website.
Further, website can be the mac frame of the data frame of its transmission in current transmission chance by parsing access point
A bit is arranged for marking to determine whether the data frame being currently received is the last one, such as in mac frame head in head
Knowing the current data frame is the last one data frame that access point is transmitted in current transmission chance, in order to inform that website is receiving
Complete the last one data frame can start the WUR state that reenters, and reduce equipment power dissipation.
Further, in the above-described embodiments, the sending module 406 is also used to: sending the confirmation message frame extremely
After described access point, WUR request message frame is sent to described access point；The receiving module 402 is also used to: being connect described in reception
The WUR response message frame that access point is fed back in response to the WUR request message frame, to confirm that the principal communication interface enters suspend mode shape
State.
In this embodiment, negotiate it in order to complete website and access point and reenter WUR state, sent out to access point
After sending confirmation message frame, it can be disappeared by sending WUR request message frame to access point and receiving access point in response to WUR request
The form of the WUR response message frame of breath frame feedback completes the process for negotiating to reenter WUR state with access point, i.e., connects in website
Receive access point feedback WUR response frame after can enter its principal communication interface suspend mode WUR state.
Further, in any of the above-described embodiment, the corresponding duration of the value of the temporal information includes: 2 short interframe
It is spaced, the transmission duration of the transmission duration of the WUR request message frame and the WUR response message frame.
In this embodiment, website can to access point send confirmation message frame after interval one short interFrameGap again to
Access point sends WUR request message frame, and one short interFrameGap in interval has been received and connect after having sent WUR request message frame
WUR state can be reentered after the WUR response message frame of access point feedback, that is to say, that website can be sent to access point
Confirmation message frame in a length of 2 short interFrameGaps when being arranged, the transmission duration and 1 WUR response of 1 WUR request message frame
The temporal information of the sum of the transmission duration of message frame will reenter the confirmation of WUR state to complete website with access point.
Further, in any of the above-described embodiment, the temporal information is located at the media interviews of the confirmation message frame
Control the non-neutralizable fraction in frame head.
Continue in this embodiment it is possible to which temporal information is arranged in the media access control frames head of confirmation message frame
Part, in order to access parsing confirmation.
In specific implementation, receiving module 402 can be receiver or antenna etc., and sending module 406 can be transmitter
Or antenna etc.；Generation module 404 can be central processing unit or baseband processor etc..
It is carried out below with reference to communication means of the Fig. 5 and Fig. 6 to the WLAN for access point of the embodiment of the present invention
Explanation.
As shown in figure 5, the communication means of the WLAN according to an embodiment of the present invention for access point, specifically includes
Following below scheme step:
Step 502, the last one data frame in current transmission chance is sent to the principal communication interface of website.
Step 504, the confirmation that the website is directed to all data frames received in the current transmission chance is received
Message frame, wherein include in the confirmation message frame temporal information and the temporal information value indicate the website from
Send duration needed for entering dormant state to principal communication interface described in described access point request confirmation after the confirmation message frame.
In this embodiment, it is then sent to it after the principal communication interface of website is waken up in current transmission chance as it
The data frame of caching can then negotiate it with website and reenter WUR state after transferring the last one data frame, so that
The principal communication interface of website again in a dormant state and secondly communication interface is in revival or periodical wake states are listened to and connect
The state for the wakeup message frame that access point is sent, specifically, when the complete access point of principal communication interface of website is in current transmission machine
Can for its transmission all data frames after then receiving station send include temporal information confirmation message frame, with made
The negotiation of duration needed for the principal communication interface of website is again introduced into dormant state, the i.e. interaction mechanism based on data frame and ACK
Confirmation website reenters WUR state after having received the downlink data for its caching, to reduce equipment power dissipation, so that equipment is more
Power saving meets the needs of IEEE 802.11ba.
Wherein, busy channel has been reserved in the interaction by the duration information of confirmation message frame to subsequent WUR message frame
Time is equivalent to the extension to current TXOP, also illustrates that other equipment that carry out data interaction cannot occupy this section of duration.
Wherein, the principal communication interface of website is sent after the last one data frame for having received the transmission of current transmission chance
Confirmation message frame confirms number on the one hand for confirming to all data frames having been received in current transmission chance
It is complete and accurate according to receiving, on the other hand confirm for WUR state will to be entered to website.
Further, access point is set in the mac frame head for the last one data frame that current transmission chance is station transmission
Mark is set to determine whether the data frame being currently received is the last one for website parsing, for example is arranged one in mac frame head
It is the last one data frame that access point is transmitted in current transmission chance that a bit, which is used to identify the current data frame, in order to
Inform that website can start the WUR state that reenters having received the last one data frame, reduction equipment power dissipation.
Further, as shown in fig. 6, other than 502~step 504 of above-mentioned steps, the communication of the WLAN
Method further includes following below scheme step after the step 504:
Step 506, the WUR request message frame that the principal communication interface is sent is received.
Step 508, the WUR response message frame for being directed to the WUR request message frame is generated.
Step 510, the WUR response message frame is sent to the website, to confirm that the principal communication interface enters suspend mode
State.
In this embodiment, in order to complete to negotiate it with website to reenter WUR state, website transmission is being received
After confirmation message frame, can by receiving station send WUR request message frame and respond thereto to website send
The form of WUR response message frame is completed to negotiate its process for reentering WUR state with website, i.e. website is receiving access point
The WUR state of its principal communication interface suspend mode can be entered after the WUR response frame of feedback.
Further, in any of the above-described embodiment, the corresponding duration of the value of the temporal information includes: 2 short interframe
It is spaced, the transmission duration of the transmission duration of the WUR request message frame and the WUR response message frame.
In this embodiment, website can to access point send confirmation message frame after interval one short interFrameGap again to
Access point sends WUR request message frame, and one short interFrameGap in interval has been received and connect after having sent WUR request message frame
WUR state can be reentered after the WUR response message frame of access point feedback, that is to say, that website can be sent to access point
Confirmation message frame in a length of 2 short interFrameGaps when being arranged, the transmission duration and 1 WUR response of 1 WUR request message frame
The temporal information of the sum of the transmission duration of message frame will reenter the confirmation of WUR state to complete website.
The executing subject of Fig. 5 and communication means shown in fig. 6 can be the access in the network of access point and website composition
Point device, for example router or the server with Wi-Fi interface.
Fig. 7 shows the schematic block diagram of the communication device of the WLAN of second embodiment of the invention.
As shown in fig. 7, the communication device 70 of the WLAN according to an embodiment of the present invention for access point includes: hair
Send module 702 and receiving module 704.
Wherein, the sending module 702 is used to send last in current transmission chance to the principal communication interface of website
A data frame；It is all for what is received in the current transmission chance that the receiving module 704 is used to receive the website
The confirmation message frame of data frame, wherein include the value table of temporal information and the temporal information in the confirmation message frame
Show that the website enters suspend mode shape to principal communication interface described in described access point request confirmation from after sending the confirmation message frame
Duration needed for state.
In this embodiment, it is then sent to it after the principal communication interface of website is waken up in current transmission chance as it
The data frame of caching can then negotiate it with website and reenter WUR state after transferring the last one data frame, so that
The principal communication interface of website again in a dormant state and secondly communication interface is in revival or periodical wake states are listened to and connect
The state for the wakeup message frame that access point is sent, specifically, when the complete access point of principal communication interface of website is in current transmission machine
Can for its transmission all data frames after then receiving station send include temporal information confirmation message frame, with made
The negotiation of duration needed for the principal communication interface of website is again introduced into dormant state, the i.e. interaction mechanism based on data frame and ACK
Confirmation website reenters WUR state after having received the downlink data for its caching, to reduce equipment power dissipation, so that equipment is more
Power saving meets the needs of IEEE 802.11ba.
Wherein, busy channel has been reserved in the interaction by the duration information of confirmation message frame to subsequent WUR message frame
Time is equivalent to the extension to current TXOP, also illustrates that other equipment that carry out data interaction cannot occupy this section of duration.
Wherein, the principal communication interface of website is sent after the last one data frame for having received the transmission of current transmission chance
Confirmation message frame confirms number on the one hand for confirming to all data frames having been received in current transmission chance
It is complete and accurate according to receiving, on the other hand confirm for WUR state will to be entered to website.
Further, access point is set in the mac frame head for the last one data frame that current transmission chance is station transmission
Mark is set to determine whether the data frame being currently received is the last one for website parsing, for example is arranged one in mac frame head
It is the last one data frame that access point is transmitted in current transmission chance that a bit, which is used to identify the current data frame, in order to
Inform that website can start the WUR state that reenters having received the last one data frame, reduction equipment power dissipation.
Further, in the above-described embodiments, the receiving module 704 is also used to: receiving the confirmation message frame
Later, the WUR request message frame that the principal communication interface is sent is received；The communication device 70 of the WLAN further include:
Generation module 706, for generating the WUR response message for being directed to the WUR request message frame that the receiving module 704 receives
Frame；And the sending module 702 is also used to: being sent the WUR response that the generation module 706 generates to the website and is disappeared
Frame is ceased, to confirm that the principal communication interface enters dormant state.
In this embodiment, in order to complete to negotiate it with website to reenter WUR state, website transmission is being received
After confirmation message frame, can by receiving station send WUR request message frame and respond thereto to website send
The form of WUR response message frame is completed to negotiate its process for reentering WUR state with website, i.e. website is receiving access point
The WUR state of its principal communication interface suspend mode can be entered after the WUR response frame of feedback.
Further, in any of the above-described embodiment, the corresponding duration of the value of the temporal information includes: 2 short interframe
It is spaced, the transmission duration of the transmission duration of the WUR request message frame and the WUR response message frame.
In this embodiment, website can to access point send confirmation message frame after interval one short interFrameGap again to
Access point sends WUR request message frame, and one short interFrameGap in interval has been received and connect after having sent WUR request message frame
WUR state can be reentered after the WUR response message frame of access point feedback, that is to say, that website can be sent to access point
Confirmation message frame in a length of 2 short interFrameGaps when being arranged, the transmission duration and 1 WUR response of 1 WUR request message frame
The temporal information of the sum of the transmission duration of message frame will reenter the confirmation of WUR state to complete website.
In specific implementation, sending module 702 can be transmitter or antenna etc., and receiving module 704 can be receiver
Or antenna etc.；Generation module 706 can be central processing unit or baseband processor etc..
Embodiment according to the present invention also proposed a kind of communication equipment, comprising: WLAN as shown in Figure 4
Communication device 40；And/or the communication device 70 of WLAN as shown in Figure 7.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, according to the technical solution of the present invention, when website
Received current data frame is determined as last number that access point transmits in current transmission chance after the revival of principal communication interface
When according to frame, then WUR state can be again introduced into based on the interaction mechanism of data frame and confirmation message frame, to reduce equipment power dissipation,
So that equipment more power saving, meets the needs of IEEE 802.11ba.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of communication means of WLAN is used for website, which is characterized in that the communication means packet of the WLAN
It includes:
By the principal communication interface of the website from the data frame of access point；
When the current data frame received is the last one data frame transmitted in current transmission chance, generate for described
The confirmation message frame of all data frames received in current transmission chance includes temporal information in the confirmation message frame；
The confirmation message frame is sent to described access point, wherein the value of the temporal information indicates that the website sends institute certainly
State duration needed for entering dormant state to principal communication interface described in described access point request confirmation after confirmation message frame.
2. the communication means of WLAN according to claim 1, which is characterized in that sending the confirmation message frame
To described access point, further includes:
WUR request message frame is sent to described access point；
The WUR response message frame that described access point is fed back in response to the WUR request message frame is received, to confirm the principal communication
Interface enters dormant state.
3. the communication means of WLAN according to claim 2, which is characterized in that the value of the temporal information is corresponding
Duration include: 2 short interFrameGaps, the transmission duration of the WUR request message frame and the WUR response message frame transmission
Duration.
4. the communication means of WLAN according to any one of claim 1 to 3, which is characterized in that the time
Information is located at the non-neutralizable fraction in the media access control frames head of the confirmation message frame.
5. a kind of communication means of WLAN is used for access point, which is characterized in that the communication means of the WLAN
Include:
The last one data frame in current transmission chance is sent to the principal communication interface of website；
The confirmation message frame that the website is directed to all data frames received in the current transmission chance is received,
It wherein, include that the value of temporal information and the temporal information indicates that the website is spontaneous in the confirmation message frame
Send duration needed for entering dormant state to principal communication interface described in described access point request confirmation after the confirmation message frame.
6. the communication means of WLAN according to claim 5, which is characterized in that receiving the confirmation message
After frame, further includes:
Receive the WUR request message frame that the principal communication interface is sent；
Generate the WUR response message frame for being directed to the WUR request message frame；
The WUR response message frame is sent to the website, to confirm that the principal communication interface enters dormant state.
7. the communication means of WLAN according to claim 6, which is characterized in that the value of the temporal information is corresponding
Duration include: 2 short interFrameGaps, the transmission duration of the WUR request message frame and the WUR response message frame transmission
Duration.
8. a kind of communication device of WLAN is used for website, which is characterized in that the communication device packet of the WLAN
It includes:
Receiving module, for the principal communication interface by the website from the data frame of access point；
Generation module, for being last transmitted in current transmission chance when the current data frame that the receiving module receives
When a data frame, the confirmation message frame for all data frames received in the current transmission chance is generated, it is described true
Recognizing includes temporal information in message frame；
Sending module, for sending the confirmation message frame that the generation module generates to described access point, wherein when described
Between the value of information indicate that the website connects from after sending the confirmation message frame to principal communication described in described access point request confirmation
Duration needed for mouth enters dormant state.
9. the communication device of WLAN according to claim 8, which is characterized in that
The sending module is also used to: after sending the confirmation message frame to described access point, being sent to described access point
WUR request message frame；
The receiving module is also used to: receiving the WUR response message that described access point is fed back in response to the WUR request message frame
Frame, to confirm that the principal communication interface enters dormant state.
10. the communication device of WLAN according to claim 9, which is characterized in that the value pair of the temporal information
The duration answered includes: the biography of 2 short interFrameGaps, the transmission duration of the WUR request message frame and the WUR response message frame
Defeated duration.
11. the communication device of the WLAN according to any one of claim 8 to 10, which is characterized in that when described
Between information be located at the non-neutralizable fraction in the media access control frames head of the confirmation message frame.
12. a kind of communication device of WLAN is used for access point, which is characterized in that the communication of the WLAN fills
It sets and includes:
Sending module, for sending the last one data frame in current transmission chance to the principal communication interface of website；
Receiving module, the confirmation for being directed to all data frames received in the current transmission chance for receiving the website
Message frame,
It wherein, include that the value of temporal information and the temporal information indicates that the website is spontaneous in the confirmation message frame
Send duration needed for entering dormant state to principal communication interface described in described access point request confirmation after the confirmation message frame.
13. the communication device of WLAN according to claim 12, which is characterized in that
The receiving module is also used to: after receiving the confirmation message frame, receiving the WUR that the principal communication interface is sent
Request message frame；
The communication device of the WLAN further include:
Generation module, for generating the WUR response message for being directed to the WUR request message frame that the receiving module receives
Frame；And
The sending module is also used to: the WUR response message frame that the generation module generates is sent to the website, with true
Recognize the principal communication interface and enters dormant state.
14. the communication device of WLAN according to claim 13, which is characterized in that the value pair of the temporal information
The duration answered includes: the biography of 2 short interFrameGaps, the transmission duration of the WUR request message frame and the WUR response message frame
Defeated duration.
15. a kind of communication equipment characterized by comprising
The communication device of WLAN as described in any one of claim 8 to 11；And/or
The communication device of WLAN as described in any one of claim 12 to 14.
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