CN109429299A - Communication means and communication device, the communication equipment of WLAN - Google Patents

Communication means and communication device, the communication equipment of WLAN Download PDF

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Publication number
CN109429299A
CN109429299A CN201710562658.5A CN201710562658A CN109429299A CN 109429299 A CN109429299 A CN 109429299A CN 201710562658 A CN201710562658 A CN 201710562658A CN 109429299 A CN109429299 A CN 109429299A
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China
Prior art keywords
message frame
wakeup message
website
access point
frame
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CN201710562658.5A
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CN109429299B (en
Inventor
董贤东
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Meizu Technology Co Ltd
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Meizu Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Abstract

The present invention provides a kind of communication means of WLAN and communication devices, communication equipment, wherein, the communication means of WLAN for having established associated website with the first access point includes: the wakeup message frame for receiving the second access point and sending, and includes to show that first access point has left the mark of the coverage area of the website in the wakeup message frame；The principal communication interface of the website is waken up according to the wakeup message frame, is associated with and receives the downlink data frame that second access point is the save buffer to establish with second access point.According to the technical solution of the present invention, it enables to new access point to rediscover the website in WUR state to be associated with timely foundation, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets the needs of IEEE 802.11ba.

Description

Communication means and communication device, the communication equipment of WLAN
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. IEEE 802.11ba, 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, and power consumption needed for wherein equipment receives wake-up frame is not more than 1mW.
Currently, in order to enable the more power saving of website (STA, Station) equipment, principal communication in IEEE 802.11ba Interface is in power-off (Power off) state, i.e., in a dormant state, and secondly communication interface is in power-up state (Power On), that is, it is in communications status, to listen to the wakeup message frame for receiving AP (Access Point, access point) and being sent to it, that is, is stood Point device is in WUR state.
The purpose of wakeup message frame is to wake up the principal communication interface progress data communication of website, is pointed out in the related technology in AP Site apparatus should also enter WUR state when not carrying out the demand of data communication with STAs；It leaves in AP and is established with it When the coverage area of associated STAs, STAs may also enter WUR state, and so then will lead to STAs may not receive AP hair The wakeup message frame sent, so that STAs is in planless state.
It is therefore desirable to be able to make new access point rediscover the mechanism of the website in WUR state, so that website exists It is established in the case that associated access point leaves its coverage area with it, can quickly be associated with, expire with new access point foundation The demand of sufficient IEEE 802.11ba.
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 enables to new access point to rediscover the website in WUR state, so that website establishes associated access with it In the case that point leaves its coverage area, can quickly it be associated with new access point foundation, so that it is effectively reduced equipment power dissipation, 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 website has been associated with the foundation of the first access point and the communication means of the WLAN includes: to receive second to connect The wakeup message frame that access point is sent includes to show that first access point has left the website in the wakeup message frame The mark of coverage area；The principal communication interface of the website is waken up according to the wakeup message frame, with second access point Establish the downlink data frame for being associated with and receiving that second access point is the save buffer.
In the technical scheme, when established with website associated first access point have left website coverage area and When website being made to be in WUR state, in order to avoid normal data communication can not be established between the first access point due to website and In planless state, then the second new access point is allowed to rediscover the website, and is sent to it wakeup message frame Wake up website principal communication interface, specifically the second access point send wakeup message frame in comprising show the first access point from The mark of the coverage area of the website is opened, is associated with so as to be established rapidly between website and the second access point, to enable website The second access point is received as the downlink data frame of its caching, also avoids that it is constantly in the revival of time communication interface and principal communication connects The purposelessly state that mouth can not be waken up, specifically, website receive calling out for the second access point transmission by next communication interface Awake message frame, and the principal communication interface downlink data frame by being waken up according to wakeup message frame realize that website connects with new Timely communication between access point, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets IEEE 802.11ba Demand.
Wherein, principal communication interface and time communication interface can be different physical entity, be also possible to same set of physics Entity, it is only logically separate.
In the above-mentioned technical solutions, it is preferable that the wakeup message frame includes unicast wakeup message frame, multicast wakeup message Frame and broadcast wakeup message frame；And when the wakeup message frame is unicast wakeup message frame, according to the first pass of the website Connection mark receives the wakeup message frame；When the wakeup message frame be multicast wakeup message frame or broadcast wakeup message frame, press The wakeup message frame is received according to the second association identification different from first association identification of the website；Wherein, described First association identification and second association identification of website inform second access point by first access point.
In the technical scheme, specifically different wake-ups can be set and disappeared according to the difference of the frame type of wakeup message frame The reception mode of frame is ceased, so that equipment more power saving, further, wakeup message frame, which specifically includes that, realizes sender's docking The unicast wakeup message frame of the one-to-one communication pattern of debit, realize sender to one-to-one group of recipient of communication pattern group Broadcast wakeup message frame, broadcast wakeup message frame of the realization sender to a pair of all communication patterns of recipient.
Further, in order to improve website to the receiving efficiency of wakeup message frame, specifically can by the first access point with Interaction between second access point, by the first access point by corresponding with the frame type of wakeup message frame as wakeup message frame The association identification for receiving the website of address is sent to the second access point, sends wakeup message to website to avoid in the second access point It is reset when frame and receives address, and can guarantee the secondary communication interface that wakeup message frame is smoothly sent to website, specifically, When wakeup message frame is unicast wakeup message frame, website receives the unicast wakeup message frame according to its first association identification, and When wakeup message frame is multicast wakeup message frame or broadcast wakeup message frame, website is different from the first association identification according to it Second association identification receives the multicast wakeup message frame or broadcast wakeup message frame, wherein the first association identification is associated with second Mark can be respectively the different AID (Association Identifier, association identification) of website.
Wherein, it after the second access point obtains the AID of website, it will not be given establishes initial connection distributing this AID Other STAs, if this AID is consistent with the AID that the second access point is distributed to it has built up other associated STAs, second Access point, which then distributes new AID and gives it, has been established other associated STAs, brings conflict to avoid address error.
In any of the above-described technical solution, it is preferable that described the step of receiving the wakeup message frame that the second access point is sent Specifically include: receiving the wakeup message frame according to default wake-up period, the default wake-up period by the website with it is described First access point is negotiated to determine.
In the technical scheme, the first access point is interacting its master for being used to wake up website of informing with the second access point It, can also be by the way that the wake-up period of the secondary communication interface of website be accused while the reception address of the wakeup message frame of communication interface The second access point is known, to make it send wakeup message frame to the secondary communication interface of website according to the period, to ensure in website The time in planless state can be shortened as far as possible in the case where not making any changes, and can be accurately and efficiently After the wakeup message frame for receiving the transmission of the second access point, can quickly it be associated with the foundation of the second access point, to timely enter number According to communications status, equipment power dissipation is reduced, so that equipment more power saving.
In the above scheme, if the wake-up period that the second access point receives is less than its preset wakeup message frame and sends Minimum wake-up period, then using the wake-up period as its send wakeup message frame minimum wake-up period.
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 station Point be associated with and the communication device of the WLAN includes: receiving module with the foundation of the first access point, for reception the The wakeup message frame that two access points are sent includes to show that first access point has left the station in the wakeup message frame The mark of the coverage area of point；Wake-up module, the wakeup message frame for being received according to the receiving module wake up institute The principal communication interface of website is stated, it is slow for the website to be associated with second access point foundation and receive second access point The downlink data frame deposited.
In the technical scheme, when established with website associated first access point have left website coverage area and When website being made to be in WUR state, in order to avoid normal data communication can not be established between the first access point due to website and In planless state, then the second new access point is allowed to rediscover the website, and is sent to it wakeup message frame Wake up website principal communication interface, specifically the second access point send wakeup message frame in comprising show the first access point from The mark of the coverage area of the website is opened, is associated with so as to be established rapidly between website and the second access point, to enable website The second access point is received as the downlink data frame of its caching, also avoids that it is constantly in the revival of time communication interface and principal communication connects The purposelessly state that mouth can not be waken up, specifically, website receive calling out for the second access point transmission by next communication interface Awake message frame, and the principal communication interface downlink data frame by being waken up according to wakeup message frame realize that website connects with new Timely communication between access point, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets IEEE 802.11ba Demand.
Wherein, principal communication interface and time communication interface can be different physical entity, be also possible to same set of physics Entity, it is only logically separate.
In the above-mentioned technical solutions, it is preferable that the wakeup message frame includes unicast wakeup message frame, multicast wakeup message Frame and broadcast wakeup message frame；And the receiving module is specifically used for: when the wakeup message frame be unicast wakeup message frame, The wakeup message frame is received according to the first association identification of the website；When the wakeup message frame is multicast wakeup message frame Or broadcast wakeup message frame, according to the website different from the second association identification of first association identification receive described in call out Awake message frame；Wherein, first association identification and second association identification of the website are accused by first access point Know second access point.
In the technical scheme, specifically different wake-ups can be set and disappeared according to the difference of the frame type of wakeup message frame The reception mode of frame is ceased, so that equipment more power saving, further, wakeup message frame, which specifically includes that, realizes sender's docking The unicast wakeup message frame of the one-to-one communication pattern of debit, realize sender to one-to-one group of recipient of communication pattern group Broadcast wakeup message frame, broadcast wakeup message frame of the realization sender to a pair of all communication patterns of recipient.
Further, in order to improve website to the receiving efficiency of wakeup message frame, specifically can by the first access point with Interaction between second access point, by the first access point by corresponding with the frame type of wakeup message frame as wakeup message frame The association identification for receiving the website of address is sent to the second access point, sends wakeup message to website to avoid in the second access point It is reset when frame and receives address, and can guarantee the secondary communication interface that wakeup message frame is smoothly sent to website, specifically, When wakeup message frame is unicast wakeup message frame, website receives the unicast wakeup message frame according to its first association identification, and When wakeup message frame is multicast wakeup message frame or broadcast wakeup message frame, website is different from the first association identification according to it Second association identification receives the multicast wakeup message frame or broadcast wakeup message frame, wherein the first association identification is associated with second Mark can be respectively the different AID of website.
Wherein, it after the second access point obtains the AID of website, it will not be given establishes initial connection distributing this AID Other STAs, if this AID is consistent with the AID that the second access point is distributed to it has built up other associated STAs, second Access point, which then distributes new AID and gives it, has been established other associated STAs, brings conflict to avoid address error.
In any of the above-described technical solution, it is preferable that the receiving module is specifically used for: being received according to default wake-up period The wakeup message frame, the default wake-up period are negotiated to determine by the website and first access point.
In the technical scheme, the first access point is interacting its master for being used to wake up website of informing with the second access point It, can also be by the way that the wake-up period of the secondary communication interface of website be accused while the reception address of the wakeup message frame of communication interface The second access point is known, to make it send wakeup message frame to the secondary communication interface of website according to the period, to ensure in website The time in planless state can be shortened as far as possible in the case where not making any changes, and can be accurately and efficiently After the wakeup message frame for receiving the transmission of the second access point, can quickly it be associated with the foundation of the second access point, to timely enter number According to communications status, equipment power dissipation is reduced, so that equipment more power saving.
In the above scheme, if the wake-up period that the second access point receives is less than its preset wakeup message frame and sends Minimum wake-up period, then using the wake-up period as its send wakeup message frame minimum wake-up period.
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 include: generate wakeup message frame, the wakeup message frame for wake up with target access Establish the principal communication interface of associated website；Send the secondary communication interface of the wakeup message frame to the website, wherein described It include to show that the target access has left the mark of the coverage area of the website in wakeup message frame.
In the technical scheme, when established with website associated target access have left website coverage area and When website being made to be in WUR state, in order to avoid normal data communication can not be established between target access due to website and In planless state, then can by generate and to the website send wakeup message frame with wake up its principal communication interface into The all of row data communication rediscovers the website, specifically, comprising showing that target access has been left in the wakeup message frame The mark of the coverage area of the website is associated with, so that website be enable to receive new access so as to establish rapidly between website Point is the downlink data frame of its caching, also avoids that it is constantly in the revival of time communication interface and principal communication interface can not be waken up Purposelessly state, specifically, the secondary communication interface of Xiang Zhandian sends the wakeup message frame, and according to the wakeup message frame The downlink data frame cached after the principal communication interface of website to the transmission of the principal communication interface of website for it is waken up, realizes and is in Timely communication between the website of WUR state, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets IEEE The demand of 802.11ba.
Wherein, the principal communication interface of website and time communication interface can be different physical entity, be also possible to same Physical entity is covered, it is only logically separate.
In the above-mentioned technical solutions, it is preferable that the wakeup message frame includes unicast wakeup message frame, multicast wakeup message Frame and broadcast wakeup message frame；And when the wakeup message frame is unicast wakeup message frame, it is institute that it, which is arranged, to receive address State the first association identification of website；When the wakeup message frame is multicast wakeup message frame or multicast wakeup message frame, setting It receives the second association identification that address is the website；Wherein, first association identification and described second of the website Association identification is received from the target access.
In the technical scheme, specifically different wake-ups can be set and disappeared according to the difference of the frame type of wakeup message frame The reception mode of frame is ceased, so that equipment more power saving, further, wakeup message frame, which specifically includes that, realizes sender's docking The unicast wakeup message frame of the one-to-one communication pattern of debit, realize sender to one-to-one group of recipient of communication pattern group Broadcast wakeup message frame, broadcast wakeup message frame of the realization sender to a pair of all communication patterns of recipient.
In order to improve website to the receiving efficiency of wakeup message frame, it can specifically pass through the friendship between target access Mutually, the station for the reception address as wakeup message frame corresponding with the frame type of wakeup message frame that target access is sent is received The association identification of point receives address to avoid it is reset when sending wakeup message frame to website, and can guarantee smoothly to Wakeup message frame is sent to the secondary communication interface of website, specifically, when wakeup message frame is unicast wakeup message frame, the list is arranged Broadcast the first association identification that address is website that receives of wakeup message frame, and when wakeup message frame is multicast wakeup message frame or wide When broadcasting wakeup message frame, the address that receives that the multicast wakeup message frame or broadcast wakeup message frame is arranged is closing with first for website Connection identifies different the second association identification, wherein the first association identification and the second association identification can be respectively the difference of website AID.
Wherein, after obtaining the AID of website from target access, its foundation will not be given in this AID of distribution and initially connected Other STAs connect are distributed newly if this AID is consistent with the AID distributed to it has built up other associated STAs AID gives it and other associated STAs has been established, and brings conflict to avoid address error.
In any of the above-described technical solution, it is preferable that the communication means of the WLAN disappears in the transmission wake-up Before ceasing frame to the principal communication interface of the website further include: its for receiving that the target access sends is negotiated with the website The wake-up period of determining secondly communication interface, to send the wakeup message frame referring to the website.
In the technical scheme, calling out for principal communication interface of the acquisition for waking up website is being interacted with target access While the reception address of awake message frame, the wake-up period of the secondary communication interface of website can also be obtained from target access, So as to send wakeup message frame to the secondary communication interface of website according to the period, with ensure not making any changes in website In the case of can shorten its time for being in planless state as far as possible, and website can be made accurately and efficiently to receive After the wakeup message frame that new access point is sent, can quickly it be associated with new access point foundation, to timely enter data communication State reduces equipment power dissipation, so that equipment more power saving.
In the above scheme, if sent from the wake-up period that target access receives less than preset wakeup message frame Minimum wake-up period, then using the wake-up period as send wakeup message frame minimum wake-up period.
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: generation module, and for generating wakeup message frame, the wakeup message frame is for waking up The principal communication interface of associated website is established with target access；Sending module, the institute generated for sending the generation module State the secondary communication interface of wakeup message frame to the website, wherein include to show that the target connects in the wakeup message frame Access point has left the mark of the coverage area of the website.
In the technical scheme, when established with website associated target access have left website coverage area and When website being made to be in WUR state, in order to avoid normal data communication can not be established between target access due to website and In planless state, then can by generate and to the website send wakeup message frame with wake up its principal communication interface into The all of row data communication rediscovers the website, specifically, comprising showing that target access has been left in the wakeup message frame The mark of the coverage area of the website is associated with, so that website be enable to receive new access so as to establish rapidly between website Point is the downlink data frame of its caching, also avoids that it is constantly in the revival of time communication interface and principal communication interface can not be waken up Purposelessly state, specifically, the secondary communication interface of Xiang Zhandian sends the wakeup message frame, and according to the wakeup message frame The downlink data frame cached after the principal communication interface of website to the transmission of the principal communication interface of website for it is waken up, realizes and is in Timely communication between the website of WUR state, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets IEEE The demand of 802.11ba.
Wherein, the principal communication interface of website and time communication interface can be different physical entity, be also possible to same Physical entity is covered, it is only logically separate.
In the above-mentioned technical solutions, it is preferable that the wakeup message frame includes unicast wakeup message frame, multicast wakeup message Frame and broadcast wakeup message frame；And the communication device of the WLAN further includes setup module, the setup module is used In: when the wakeup message frame is unicast wakeup message frame, it is set and receives the first association identification that address is the website； When the wakeup message frame is multicast wakeup message frame or multicast wakeup message frame, it is the website that it, which is arranged, to receive address Second association identification；Wherein, first association identification and second association identification of the website are received from the target Access point.
In the technical scheme, specifically different wake-ups can be set and disappeared according to the difference of the frame type of wakeup message frame The reception mode of frame is ceased, so that equipment more power saving, further, wakeup message frame, which specifically includes that, realizes sender's docking The unicast wakeup message frame of the one-to-one communication pattern of debit, realize sender to one-to-one group of recipient of communication pattern group Broadcast wakeup message frame, broadcast wakeup message frame of the realization sender to a pair of all communication patterns of recipient.
In order to improve website to the receiving efficiency of wakeup message frame, it can specifically pass through the friendship between target access Mutually, the station for the reception address as wakeup message frame corresponding with the frame type of wakeup message frame that target access is sent is received The association identification of point receives address to avoid it is reset when sending wakeup message frame to website, and can guarantee smoothly to Wakeup message frame is sent to the secondary communication interface of website, specifically, when wakeup message frame is unicast wakeup message frame, the list is arranged Broadcast the first association identification that address is website that receives of wakeup message frame, and when wakeup message frame is multicast wakeup message frame or wide When broadcasting wakeup message frame, the address that receives that the multicast wakeup message frame or broadcast wakeup message frame is arranged is closing with first for website Connection identifies different the second association identification, wherein the first association identification and the second association identification can be respectively the difference of website AID.
Wherein, after obtaining the AID of website from target access, its foundation will not be given in this AID of distribution and initially connected Other STAs connect are distributed newly if this AID is consistent with the AID distributed to it has built up other associated STAs AID gives it and other associated STAs has been established, and brings conflict to avoid address error.
In any of the above-described technical solution, it is preferable that the communication device of the WLAN further include: receiving module, For receiving the target and connecing before the sending module sends principal communication interface of the wakeup message frame to the website Its wake-up period for negotiating determining secondly communication interface with the website that access point is sent, to send institute referring to the website State wakeup message frame.
In the technical scheme, calling out for principal communication interface of the acquisition for waking up website is being interacted with target access While the reception address of awake message frame, the wake-up period of the secondary communication interface of website can also be obtained from target access, So as to send wakeup message frame to the secondary communication interface of website according to the period, with ensure not making any changes in website In the case of can shorten its time for being in planless state as far as possible, and website can be made accurately and efficiently to receive After the wakeup message frame that new access point is sent, can quickly it be associated with new access point foundation, to timely enter data communication State reduces equipment power dissipation, so that equipment more power saving.
In the above scheme, if sent from the wake-up period that target access receives less than preset wakeup message frame Minimum wake-up period, then using the wake-up period as send wakeup message frame minimum wake-up period.
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 enables to new access point to rediscover the website in WUR state, So that website can quickly be built with new access point in the case where establishing associated access point with it and leaving its coverage area Vertical association, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Detailed description of the invention
Fig. 1 shows the flow diagram of the communication means of the WLAN for website of the embodiment of the present invention；
Fig. 2 shows the schematic block diagrams of the communication device of the WLAN for website of the embodiment of the present invention；
Fig. 3 shows the flow diagram of the communication means of the WLAN for access point of the embodiment of the present invention；
Fig. 4 shows the schematic block diagram of the communication device of the WLAN for access point of the embodiment of the present invention；
Fig. 5 shows the interaction schematic diagram of the communication system of the WLAN of the embodiment of the present 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.
Fig. 1 shows the flow diagram of the communication means of the WLAN for website of the embodiment of the present invention, In, website is associated with the foundation of the first access point.
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, receive the wakeup message frame that the second access point is sent, include in the wakeup message frame show it is described First access point has left the mark of the coverage area of the website.
It is understood that the wakeup message frame includes that unicast wakeup message frame, multicast wakeup message frame and broadcast are called out Awake message frame, i.e. wakeup message frame, which specifically include that, realizes that sender disappears to the unicast wake-up of the one-to-one communication pattern of recipient Frame is ceased, realizes multicast wakeup message frame of the sender to one-to-one group of recipient of communication pattern, realization sender to recipient The broadcast wakeup message frame of a pair of all communication patterns.
The reception of different wakeup message frames can be further set according to the difference of the frame type of wakeup message frame Mode, so that equipment more power saving, specifically, the wakeup message frame that the second access point of reception in the step 102 is sent Scheme can be executed specifically are as follows:
When the wakeup message frame be unicast wakeup message frame, according to the website the first association identification receive described in call out Awake message frame；When the wakeup message frame is multicast wakeup message frame or broadcast wakeup message frame, according to the difference of the website The wakeup message frame is received in the second association identification of first association identification；Wherein, described the first of the website is closed Connection mark and second association identification are by first access point informing, second access point.
It is understood that can specifically pass through the first access to improve website to the receiving efficiency of wakeup message frame Interaction between point and the second access point is used as wakeup message for corresponding with the frame type of wakeup message frame by the first access point The association identification of the website of the reception address of frame is sent to the second access point, wakes up to avoid sending in the second access point to website It is reset when message frame and receives address, and can guarantee the secondary communication interface that wakeup message frame is smoothly sent to website, is had Body, when wakeup message frame is unicast wakeup message frame, website receives the unicast wakeup message according to its first association identification Frame, and when wakeup message frame is multicast wakeup message frame or broadcast wakeup message frame, website is according to itself and the first association identification The second different association identifications receives the multicast wakeup message frame or broadcast wakeup message frame, wherein the first association identification and Two association identifications can be respectively the different AID of website.
Wherein, it after the second access point obtains the AID of website, it will not be given establishes initial connection distributing this AID Other STAs, if this AID is consistent with the AID that the second access point is distributed to it has built up other associated STAs, second Access point, which then distributes new AID and gives it, has been established other associated STAs, brings conflict to avoid address error.
Further, the first association identification can be general AID, and the second association identification can be special AID, than Such as " 1111111111111111 ", " 1111000011110000 ", " 0000000000000000 ".
Further, in the above-described embodiments, the wakeup message frame that the second access point of reception in the step 102 is sent Scheme can also specifically execute are as follows: receive the wakeup message frame according to default wake-up period, the default wake-up period by The website and first access point are negotiated to determine.
It is understood that the first access point informs that its master for being used to wake up website is logical interacting with the second access point It, can also be by the way that the wake-up period of the secondary communication interface of website be informed while believing the reception address of the wakeup message frame of interface Second access point, thus make its according to the period to the secondary communication interface of website send wakeup message frame, with ensure website not The time in planless state can be shortened as far as possible in the case where making any change, and can accurately and efficiently connect After the wakeup message frame for receiving the transmission of the second access point, can quickly it be associated with the foundation of the second access point, to timely enter data Communications status reduces equipment power dissipation, so that equipment more power saving.
That is, when the first access point and the second access point interact, may be implemented wake-up period information bit with Mapping between AID, to ensure that the secondary communication interface of website can smoothly receive the wakeup message frame of the second access point transmission.
In the above-described embodiments, if the wake-up period that the second access point receives is less than its preset wakeup message frame hair The minimum wake-up period sent then sends the minimum wake-up period of wakeup message frame using the wake-up period as it.
Step 104, the principal communication interface of the website is waken up according to the wakeup message frame, with second access point Establish the downlink data frame for being associated with and receiving that second access point is the save buffer.
To sum up, in the above-described embodiments, when the covering established associated first access point with website and have left website Range and when website being made to be in WUR state, in order to avoid normal data can not be established between the first access point due to website It communicates and is in planless state, then allow the second new access point to rediscover the website, and be sent to it wake-up and disappear Frame is ceased to wake up the principal communication interface of website, comprising showing the first access in the wakeup message frame that specifically the second access point is sent Point has left the mark of the coverage area of the website, is associated with so as to establish rapidly between website and the second access point, to make to stand Point can receive the second access point as the downlink data frame of its caching, also avoid it and be constantly in time communication interface revival and lead The purposelessly state that communication interface can not be waken up, specifically, website receive the second access point hair by next communication interface The wakeup message frame sent, and the principal communication interface downlink data frame by being waken up according to wakeup message frame, realize website with Timely communication between new access point, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets IEEE The demand of 802.11ba.
Wherein, principal communication interface and time communication interface can be different physical entity, be also possible to same set of physics Entity, it is only logically separate.
Wherein, the executing subject of communication means shown in FIG. 1 can be the website in the network of access point and website composition Equipment, 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, specifically primary and secondary communication interface can be antenna.
Fig. 2 shows the schematic block diagrams of the communication device of the WLAN for website of the embodiment of the present invention, wherein Website is associated with the foundation of the first access point.
As shown in Fig. 2, the communication device 20 of the WLAN according to an embodiment of the present invention for website includes: to receive Module 202 and wake-up module 204.
Wherein, the receiving module 202 is used to receive the wakeup message frame of the second access point transmission, the wakeup message frame In include to show that first access point has left the mark of the coverage area of the website；The wake-up module 204 is used for The principal communication interface of the website is waken up, according to the wakeup message frame that the receiving module 202 receives with described Two access points establish the downlink data frame for being associated with and receiving that second access point is the save buffer.
In this embodiment, it has left the coverage area of website and makes when establishing associated first access point with website When website is in WUR state, locate in order to avoid due to website normal data communication can not be established between the first access point In planless state, then the second new access point is allowed to rediscover the website, and is sent to it wakeup message frame to call out The principal communication interface of awake website, specifically comprising showing that the first access point has left in the wakeup message frame of the second access point transmission The mark of the coverage area of the website is associated with, so that website be enable to connect so as to establish rapidly between website and the second access point The second access point is received as the downlink data frame of its caching, it is also avoided and is constantly in the revival of time communication interface and principal communication interface The purposelessly state that can not be waken up, specifically, website receive the wake-up that the second access point is sent by next communication interface Message frame, and the principal communication interface downlink data frame by being waken up according to wakeup message frame realize website and new access Timely communication between point, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets IEEE 802.11ba's Demand.
Wherein, principal communication interface and time communication interface can be different physical entity, be also possible to same set of physics Entity, it is only logically separate.
Further, in the above-described embodiments, the wakeup message frame includes unicast wakeup message frame, multicast wakeup message Frame and broadcast wakeup message frame；And the receiving module 202 is specifically used for: when the wakeup message frame is unicast wakeup message Frame receives the wakeup message frame according to the first association identification of the website；When the wakeup message frame is that multicast wake-up disappears Frame or broadcast wakeup message frame are ceased, receives institute according to the second association identification different from first association identification of the website State wakeup message frame；Wherein, first association identification and second association identification of the website are accessed by described first Point informs second access point.
In this embodiment, specifically different wakeup messages can be arranged according to the difference of the frame type of wakeup message frame The reception mode of frame, so that equipment more power saving, further, wakeup message frame, which specifically includes that, realizes sender to reception The unicast wakeup message frame of the one-to-one communication pattern in side, realize sender to one-to-one group of recipient of communication pattern multicast Wakeup message frame, broadcast wakeup message frame of the realization sender to a pair of all communication patterns of recipient.
Further, in order to improve website to the receiving efficiency of wakeup message frame, specifically can by the first access point with Interaction between second access point, by the first access point by corresponding with the frame type of wakeup message frame as wakeup message frame The association identification for receiving the website of address is sent to the second access point, sends wakeup message to website to avoid in the second access point It is reset when frame and receives address, and can guarantee the secondary communication interface that wakeup message frame is smoothly sent to website, specifically, When wakeup message frame is unicast wakeup message frame, website receives the unicast wakeup message frame according to its first association identification, and When wakeup message frame is multicast wakeup message frame or broadcast wakeup message frame, website is different from the first association identification according to it Second association identification receives the multicast wakeup message frame or broadcast wakeup message frame, wherein the first association identification is associated with second Mark can be respectively the different AID of website.
Wherein, it after the second access point obtains the AID of website, it will not be given establishes initial connection distributing this AID Other STAs, if this AID is consistent with the AID that the second access point is distributed to it has built up other associated STAs, second Access point, which then distributes new AID and gives it, has been established other associated STAs, brings conflict to avoid address error.
Further, the first association identification can be general AID, and the second association identification can be special AID, than Such as " 1111111111111111 ", " 1111000011110000 ", " 0000000000000000 ".
Further, in the above-described embodiments, the receiving module 202 is specifically used for: receiving according to default wake-up period The wakeup message frame, the default wake-up period are negotiated to determine by the website and first access point.
In this embodiment, the first access point informs that its master for being used to wake up website is logical interacting with the second access point It, can also be by the way that the wake-up period of the secondary communication interface of website be informed while believing the reception address of the wakeup message frame of interface Second access point, thus make its according to the period to the secondary communication interface of website send wakeup message frame, with ensure website not The time in planless state can be shortened as far as possible in the case where making any change, and can accurately and efficiently connect After the wakeup message frame for receiving the transmission of the second access point, can quickly it be associated with the foundation of the second access point, to timely enter data Communications status reduces equipment power dissipation, so that equipment more power saving.
That is, when the first access point and the second access point interact, may be implemented wake-up period information bit with Mapping between AID, to ensure that the secondary communication interface of website can smoothly receive the wakeup message frame of the second access point transmission.
In the above-described embodiments, if the wake-up period that the second access point receives is less than its preset wakeup message frame hair The minimum wake-up period sent then sends the minimum wake-up period of wakeup message frame using the wake-up period as it.
In specific implementation, receiving module 202 can be receiver or antenna etc.；Wake-up module 204 can be centre Manage device or baseband processor etc..
Fig. 3 shows the flow diagram of the communication means of the WLAN for access point of the embodiment of the present invention.
As shown in figure 3, the communication means of the WLAN according to an embodiment of the present invention for access point specifically includes Following below scheme step:
Step 302, wakeup message frame is generated, the wakeup message frame has been established with target access associated for wake-up The principal communication interface of website.
It is understood that the wakeup message frame includes that unicast wakeup message frame, multicast wakeup message frame and broadcast are called out Awake message frame, i.e. wakeup message frame, which specifically include that, realizes that sender disappears to the unicast wake-up of the one-to-one communication pattern of recipient Frame is ceased, realizes multicast wakeup message frame of the sender to one-to-one group of recipient of communication pattern, realization sender to recipient The broadcast wakeup message frame of a pair of all communication patterns.
The reception of different wakeup message frames can be further set according to the difference of the frame type of wakeup message frame Mode, so that equipment more power saving, specifically, the scheme of the generation wakeup message frame in the step 302 can be executed specifically Are as follows:
When the wakeup message frame is unicast wakeup message frame, it is set and receives the first association that address is the website Mark；When the wakeup message frame is multicast wakeup message frame or multicast wakeup message frame, it is described that it, which is arranged, to receive address Second association identification of website；Wherein, first association identification and second association identification of the website are received from institute State target access.
It is understood that in order to improve website to the receiving efficiency of wakeup message frame, it specifically can be by being connect with target Interaction between access point, receive that target access sends is corresponding with the frame type of wakeup message frame as wakeup message frame The association identification of the website of address is received, receives address, and energy to avoid it is reset when sending wakeup message frame to website Enough secondary communication interfaces for guaranteeing that wakeup message frame is smoothly sent to website, specifically, when wakeup message frame is unicast wakeup message When frame, the unicast wakeup message frame is arranged receives the first association identification that address is website, and when wakeup message frame is multicast When wakeup message frame or broadcast wakeup message frame, the reception address that the multicast wakeup message frame or broadcast wakeup message frame is arranged is Second association identifications different from the first association identification of website, wherein the first association identification and the second association identification can divide Not Wei website different AID.
Wherein, after obtaining the AID of website from target access, its foundation will not be given in this AID of distribution and initially connected Other STAs connect are distributed newly if this AID is consistent with the AID distributed to it has built up other associated STAs AID gives it and other associated STAs has been established, and brings conflict to avoid address error.
Further, the first association identification can be general AID, and the second association identification can be special AID, than Such as " 1111111111111111 ", " 1111000011110000 ", " 0000000000000000 ".
Further, in the above-described embodiments, the communication means of the WLAN further include: receive the target and connect Its wake-up period for negotiating determining secondly communication interface with the website that access point is sent, to send institute referring to the website State wakeup message frame.
It is understood that interacting the wake-up obtained for waking up the principal communication interface of website with target access While the reception address of message frame, the wake-up period of the secondary communication interface of website can also be obtained from target access, from And wakeup message frame can be sent to the secondary communication interface of website according to the period, to ensure the feelings not made any changes in website Its time for being in planless state can be shortened under condition as far as possible, and website can be made accurately and efficiently to receive newly The wakeup message frame that sends of access point after, can be quickly associated with new access point foundation, to timely enter data communication shape State reduces equipment power dissipation, so that equipment more power saving.
That is, reflecting between wake-up period information bit and AID may be implemented when interacting with target access It penetrates, to ensure that the secondary communication interface of website can smoothly receive the wakeup message frame that new access point is sent.
In the above-described embodiments, if sent out from the wake-up period that target access receives less than preset wakeup message frame The minimum wake-up period sent, then using the wake-up period as the minimum wake-up period for sending wakeup message frame.
Step 304, the secondary communication interface of the wakeup message frame to the website is sent, wherein the wakeup message frame In include to show that the target access has left the mark of the coverage area of the website.
To sum up, in the above-described embodiments, when the covering established associated target access with website and have left website Range and when website being made to be in WUR state, in order to avoid normal data can not be established between target access due to website It communicates and is in planless state, then by generating and wakeup message frame can be sent to the website to wake up its principal communication Interface carries out all of data communication and rediscovers the website, specifically, comprising showing target access in the wakeup message frame The mark of the coverage area of the website has been left, has been associated with so as to be established rapidly between website, so that website be enable to receive newly Access point be the downlink data frame of its caching, also avoid that it is constantly in the revival of time communication interface and principal communication interface can not The purposelessly state being waken up, specifically, the secondary communication interface of Xiang Zhandian send the wakeup message frame, and according to the wake-up Message frame wake up website principal communication interface after to the principal communication interface of website send be its cache downlink data frame, realize with Timely communication between website in WUR state, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets The demand of IEEE 802.11ba.
Wherein, the principal communication interface of website and time communication interface can be different physical entity, be also possible to same Physical entity is covered, it is only logically separate.
Wherein, the executing subject of communication means shown in Fig. 3 can be the access in the network of access point and website composition Point device, for example router, server or smart phone with Wi-Fi interface.
Fig. 4 shows the schematic block diagram of the communication device of the WLAN for access point of the embodiment of the present invention.
As shown in figure 4, the communication device 40 of the WLAN according to an embodiment of the present invention for access point includes: life At module 402 and sending module 404.
Wherein, the generation module 402 is for generating wakeup message frame, the wakeup message frame for wake up with target Access point establishes the principal communication interface of associated website；The sending module 404 is used to send what the generation module 402 generated The wakeup message frame to the website secondary communication interface, wherein include to show the target in the wakeup message frame Access point has left the mark of the coverage area of the website.
In this embodiment, it has left the coverage area of website and makes when establishing associated target access with website When website is in WUR state, locate in order to avoid due to website normal data communication can not be established between target access It, then can be by generating and sending wakeup message frame to the website to wake up the progress of its principal communication interface in planless state The all of data communication rediscovers the website, specifically, comprising showing that target access has left this in the wakeup message frame The mark of the coverage area of website is associated with, so that website be enable to receive new access point so as to establish rapidly between website For the downlink data frame of its caching, also avoid its be constantly in the revival of time communication interface and what principal communication interface can not be waken up Purposelessly state, specifically, the secondary communication interface of Xiang Zhandian send the wakeup message frame, and call out according to the wakeup message frame The downlink data frame cached for it is sent to the principal communication interface of website after the principal communication interface of awake website, is realized and in WUR Timely communication between the website of state, so that equipment power dissipation is effectively reduced, so that equipment more power saving, meets The demand of IEEE802.11ba.
Wherein, the principal communication interface of website and time communication interface can be different physical entity, be also possible to same Physical entity is covered, it is only logically separate.
Further, in the above-described embodiments, the wakeup message frame includes unicast wakeup message frame, multicast wakeup message Frame and broadcast wakeup message frame；And the communication device of the WLAN further includes setup module 406, the setup module 406 are used for: when the wakeup message frame is unicast wakeup message frame, it are arranged and receives the first association that address is the website Mark；When the wakeup message frame is multicast wakeup message frame or multicast wakeup message frame, it is described that it, which is arranged, to receive address Second association identification of website；Wherein, first association identification and second association identification of the website are received from institute State target access.
In this embodiment, specifically different wakeup messages can be arranged according to the difference of the frame type of wakeup message frame The reception mode of frame, so that equipment more power saving, further, wakeup message frame, which specifically includes that, realizes sender to reception The unicast wakeup message frame of the one-to-one communication pattern in side, realize sender to one-to-one group of recipient of communication pattern multicast Wakeup message frame, broadcast wakeup message frame of the realization sender to a pair of all communication patterns of recipient.
In order to improve website to the receiving efficiency of wakeup message frame, it can specifically pass through the friendship between target access Mutually, the station for the reception address as wakeup message frame corresponding with the frame type of wakeup message frame that target access is sent is received The association identification of point receives address to avoid it is reset when sending wakeup message frame to website, and can guarantee smoothly to Wakeup message frame is sent to the secondary communication interface of website, specifically, when wakeup message frame is unicast wakeup message frame, the list is arranged Broadcast the first association identification that address is website that receives of wakeup message frame, and when wakeup message frame is multicast wakeup message frame or wide When broadcasting wakeup message frame, the address that receives that the multicast wakeup message frame or broadcast wakeup message frame is arranged is closing with first for website Connection identifies different the second association identification, wherein the first association identification and the second association identification can be respectively the difference of website AID.
Wherein, after obtaining the AID of website from target access, its foundation will not be given in this AID of distribution and initially connected Other STAs connect are distributed newly if this AID is consistent with the AID distributed to it has built up other associated STAs AID gives it and other associated STAs has been established, and brings conflict to avoid address error.
Further, the first association identification can be general AID, and the second association identification can be special AID, than Such as " 1111111111111111 ", " 1111000011110000 ", " 0000000000000000 ".
Further, in the above-described embodiments, the communication device 40 of the WLAN further include: receiving module 408, For receiving the mesh before the sending module 404 sends principal communication interface of the wakeup message frame to the website Its wake-up period for negotiating determining secondly communication interface with the website that tag splice access point is sent, to be sent out referring to the website Send the wakeup message frame.
In this embodiment, the wake-up obtained for waking up the principal communication interface of website is being interacted with target access While the reception address of message frame, the wake-up period of the secondary communication interface of website can also be obtained from target access, from And wakeup message frame can be sent to the secondary communication interface of website according to the period, to ensure the feelings not made any changes in website Its time for being in planless state can be shortened under condition as far as possible, and website can be made accurately and efficiently to receive newly The wakeup message frame that sends of access point after, can be quickly associated with new access point foundation, to timely enter data communication shape State reduces equipment power dissipation, so that equipment more power saving.
That is, reflecting between wake-up period information bit and AID may be implemented when interacting with target access It penetrates, to ensure that the secondary communication interface of website can smoothly receive the wakeup message frame of the second access point transmission.
In the above-described embodiments, if sent out from the wake-up period that target access receives less than preset wakeup message frame The minimum wake-up period sent, then using the wake-up period as the minimum wake-up period for sending wakeup message frame.
In specific implementation, generation module 402 and setup module 406 can be central processing unit or baseband processor etc.； Sending module 404 can be transmitter or antenna etc., and receiving module 408 can be receiver or antenna etc..
Specific interaction below with reference to the communication system of the WLAN of the embodiment of the present invention shown in fig. 5 is illustrated to this The technical solution of invention is specifically described.
As shown in figure 5, in the communication system of the WLAN of the embodiment of the present invention, with first before website 502 Access point 504 establishes association, and negotiation has determined connecing for the wakeup message frame that the first access point 504 is sent to it between each other Receive the wake-up period of the secondary communication interface of address and website 502；Further, when the first access point 504 is due to originals such as power-off Because being established and being associated with the first access point 504 due to website 502, then at this time at it after having left the coverage area of website 502 In WUR state, i.e., in a dormant state, secondary communication interface is in communications status and listens to and receive from first its principal communication interface The wakeup message frame of access point 504, it is clear that after the first access point 504 has left the coverage area of website 502,502 meeting of website Into planless state；In order to reduce equipment power dissipation, so that equipment more power saving, meets the needs of IEEE 802.11ba, It at this time can be by the interaction between the first access point 504 and the second access point 506, so that the acquisition of the second access point 506 is arrived at a station Point 502 receive address and secondly communication interface wake-up period, with website 502 can enter planless state when, weight The new discovery website 502, establishes with it and is associated with, and sends wakeup message frame to next communication interface, is connect with waking up its principal communication Mouth receives the second access point 506 as the downlink data frame of its caching.
Wherein, when website 502 is re-established with the second access point and is associated with, it can use IEEE 802.11ai mechanism, with So that in WUR state website 502 in the case where the first old access point 504 leaves its coverage area, can quickly with The second new access point 506 establishes association, meets IEEE 802.11ba demand.
Further, the reception wakeup message frame of website 502 receives the AID that address is website 502, specifically, when calling out When message frame of waking up is unicast wakeup message frame, receiving address can be general AID, and when wakeup message frame is multicast wake-up When message frame or broadcast wakeup message frame, receiving address can be special AID.
Embodiment according to the present invention also proposed a kind of communication equipment, comprising: WLAN as shown in Figure 2 Communication device 20；And/or the communication device 40 of WLAN as shown in Figure 4.
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, enables to New access point rediscovers the website in WUR state, so that website is covered establishing associated access point with it and leave it In the case where lid range, can quickly it be associated with new access point foundation, so that equipment power dissipation is effectively reduced, so that equipment is more Add power saving, meets the needs of IEEE 802.11ba.
In the description of this specification, term " first ", " second " are only used for the purpose of description, and should not be understood as indicating Or imply that relative importance can understand that above-mentioned term exists for the ordinary skill in the art as the case may be Concrete meaning in the embodiment of the present disclosure.
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 (13)

1. a kind of communication means of WLAN is used for website, which is characterized in that the website is established with the first access point It is associated with and the communication means of the WLAN includes:
The wakeup message frame of the second access point transmission is received, includes to have shown first access point in the wakeup message frame Leave the mark of the coverage area of the website；
The principal communication interface of the website is waken up, according to the wakeup message frame to be associated with and connect with second access point foundation Receive the downlink data frame that second access point is the save buffer.
2. the communication means of WLAN according to claim 1, which is characterized in that
The wakeup message frame includes unicast wakeup message frame, multicast wakeup message frame and broadcast wakeup message frame；And
When the wakeup message frame be unicast wakeup message frame, according to the website the first association identification receive it is described wake-up disappear Cease frame；
When the wakeup message frame is multicast wakeup message frame or broadcast wakeup message frame, according to the website different from described Second association identification of the first association identification receives the wakeup message frame；
Wherein, first association identification and second association identification of the website are as described in first access point informing Second access point.
3. the communication means of WLAN according to claim 1 or 2, which is characterized in that described to receive the second access The step of wakeup message frame that point is sent, specifically includes:
The wakeup message frame is received according to default wake-up period, the default wake-up period is connect by the website with described first Access point negotiates to determine.
4. a kind of communication means of WLAN is used for access point, which is characterized in that the communication means of the WLAN Include:
Wakeup message frame is generated, the wakeup message frame is for waking up the principal communication for establishing associated website with target access Interface；
Send the secondary communication interface of the wakeup message frame to the website, wherein include to show in the wakeup message frame The target access has left the mark of the coverage area of the website.
5. the communication means of WLAN according to claim 4, which is characterized in that
The wakeup message frame includes unicast wakeup message frame, multicast wakeup message frame and broadcast wakeup message frame；And
When the wakeup message frame is unicast wakeup message frame, it is set and receives the first association mark that address is the website Know；
When the wakeup message frame is multicast wakeup message frame or multicast wakeup message frame, it is the station that it, which is arranged, to receive address Second association identification of point；
Wherein, first association identification and second association identification of the website are received from the target access.
6. the communication means of WLAN according to claim 4 or 5, which is characterized in that disappear sending the wake-up Before breath frame to the principal communication interface of the website further include:
Its wake-up period for negotiating determining secondly communication interface with the website that the target access is sent is received, with ginseng It is pointed into the website and sends the wakeup message frame.
7. a kind of communication device of WLAN is used for website, which is characterized in that the website is established with the first access point It is associated with and the communication device of the WLAN includes:
Receiving module includes to show institute in the wakeup message frame for receiving the wakeup message frame of the second access point transmission State the mark that the first access point has left the coverage area of the website；
Wake-up module, the principal communication that the wakeup message frame for being received according to the receiving module wakes up the website connect Mouthful, the downlink data frame that second access point is the save buffer is associated with and received to establish with second access point.
8. the communication device of WLAN according to claim 7, which is characterized in that
The wakeup message frame includes unicast wakeup message frame, multicast wakeup message frame and broadcast wakeup message frame；And
The receiving module is specifically used for:
When the wakeup message frame be unicast wakeup message frame, according to the website the first association identification receive it is described wake-up disappear Cease frame；
When the wakeup message frame is multicast wakeup message frame or broadcast wakeup message frame, according to the website different from described Second association identification of the first association identification receives the wakeup message frame；
Wherein, first association identification and second association identification of the website are as described in first access point informing Second access point.
9. the communication device of WLAN according to claim 6 or 7, which is characterized in that the receiving module is specific For:
The wakeup message frame is received according to default wake-up period, the default wake-up period is connect by the website with described first Access point negotiates to determine.
10. 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:
Generation module, for generating wakeup message frame, the wakeup message frame is associated with target access foundation for waking up Website principal communication interface；
Sending module, for sending the secondary communication interface of the wakeup message frame that the generation module generates to the website, It wherein, include to show that the target access has left the mark of the coverage area of the website in the wakeup message frame.
11. the communication device of WLAN according to claim 10, which is characterized in that
The wakeup message frame includes unicast wakeup message frame, multicast wakeup message frame and broadcast wakeup message frame；And
The communication device of the WLAN further includes setup module, and the setup module is used for:
When the wakeup message frame is unicast wakeup message frame, it is set and receives the first association mark that address is the website Know；
When the wakeup message frame is multicast wakeup message frame or multicast wakeup message frame, it is the station that it, which is arranged, to receive address Second association identification of point；
Wherein, first association identification and second association identification of the website are received from the target access.
12. the communication device of 0 or 11 WLANs according to claim 1, which is characterized in that further include:
Receiving module, for before the sending module sends principal communication interface of the wakeup message frame to the website, Receive its wake-up period for negotiating determining secondly communication interface with the website that the target access is sent, with referring to The website sends the wakeup message frame.
13. a kind of communication equipment characterized by comprising
The communication device of WLAN as described in any one of claim 7 to 9；And/or
The communication device of WLAN as described in any one of claim 10 to 12.
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