CN104038989A

CN104038989A - Method, device and system for communication in wireless local area network

Info

Publication number: CN104038989A
Application number: CN201310069649.4A
Authority: CN
Inventors: 树贵明; 丁志明; 陆苏
Original assignee: Huawei Device Co Ltd
Current assignee: Huawei Device Co Ltd
Priority date: 2013-03-05
Filing date: 2013-03-05
Publication date: 2014-09-10
Anticipated expiration: 2033-03-05
Also published as: WO2014135074A1; CN104038989B

Abstract

The invention discloses a method, a device and a system for communication in a wireless local area network. The method comprises the following steps: association identifiers assigned by an access point (AP) to stations are acquired; and the corresponding relation between the address information of the stations and the association identifiers is established so that relay communication service can be provided for the stations and the AP according to the corresponding relation. According to the method for communication in a wireless local area network in the embodiment of the invention, relay communication service is provided between the stations and the AP through relay equipment, and the AP assigns the association identifiers to the stations in a unified mode. Therefore, each piece of relay equipment does not need to assign an association identifier for the station managed by the relay equipment, that the association identifiers of the stations in a basic service set of the AP do not interfere with each other can be ensured, convenience is brought to the subsequent process of communication between the AP and the stations, and the communication efficiency is improved.

Description

The methods, devices and systems that communicate in WLAN (wireless local area network)

Technical field

The embodiment of the present invention relates to the communications field, and more specifically, relates to the methods, devices and systems that communicate in WLAN (wireless local area network).

Background technology

At WLAN (Wireless Local Area Network, referred to as " WLAN ") in, the region that access point covers is called Basic Service Set (Basic Service Set, referred to as " BSS "), a plurality of website (Station in BSS, referred to as " STA ") associated with corresponding AP, and a plurality of STA in BSS work in same Wireless Fidelity (Wireless Fidelity, referred to as " WiFi ") channel with corresponding AP.In order to make the STA in WLAN, can when not needing to carry out transfer of data, enter resting state (doze) to save electric weight, again can be when AP has data to send to STA, the data that STA can send to receive AP in (awake) state of reviving, in 802.11 standards, defined a kind of power saving transmission mechanism: data dial gauge (Traffic Indication Map, referred to as " TIM ") mechanism.

In TIM mechanism, AP periodically sends beacon (Beacon) message to STA, this beacon message carries TIM information, and TIM information comprises one group of corresponding with the association identification (Association Identifier, referred to as " AID ") of one group of STA respectively binary system indicating bit.Work in STA under power saving (Power Save, referred to as " PS ") pattern sends beacon message time point at AP in wake states and receive the beacon message that AP sends.When AP has the downlink data of buffer memory to send to STA, AP is set to " 1 " by binary digit corresponding with the AID of this STA in the TIM information of carrying in beacon message, this STA finds that the binary digit of correspondence oneself in TIM information is " 1 ", subsequently just in wake states and utilize competition mechanism to send power saving election contest (PS-Poll) message to AP, trigger AP and send the data of buffer memory to oneself, otherwise STA just enters resting state after receiving beacon message.AP receives after PS-Poll message, and the data of this STA of buffer memory are sent to this STA.

At present, IEEE (Institute of Electrical and Electronic Engineers, referred to as " IEEE ") 802.11ah working group in normal structure is for the application scenarios demand of sensing network, the coverage of AP has been expanded to 1000 meters from 100 meters of left and right, and relaying (Relay) function is supported in proposition in the overlay area of an AP, yet, while having increased the trunking that trunking traffic function is provided in wireless lan communication system, trunking is how for AP and website provide trunking traffic service not clear, further, in the not clear WLAN having increased trunking, how to realize TIM mechanism at present.

Summary of the invention

The embodiment of the present invention provides the methods, devices and systems that communicate in a kind of WLAN (wireless local area network), can between website and access point AP, provide preferably trunking traffic to serve by trunking.

First aspect, provides a kind of method communicating in WLAN (wireless local area network), comprising: obtaining access point AP is the association identification that website distributes; Set up the address information of this website and the corresponding relation between this association identification, take and provide trunking traffic service according to this corresponding relation as this website and this AP.

In conjunction with first aspect, in the possible implementation of the first, before this obtains the association identification that access point AP is website distribution, the method also comprises: receive the solicited message that this website sends, this solicited message is used for asking this AP for this website distribution association identification; To this AP, send this solicited message, so that this AP is this website distribution association identification according to this solicited message; Receive the response message that this AP sends, this response message comprises the association identification that this AP distributes for this website; To this website, send this response message.

In conjunction with the possible implementation of the first of first aspect, in the possible implementation of the second, this obtains AP is the association identification that website distributes, and comprising: from this response message, obtain this association identification that this AP distributes.

In conjunction with first aspect or in conjunction with the possible implementation of the first of first aspect, in the third possible implementation, this obtains AP is the association identification that website distributes, and comprising: this association identification that receives this AP distribution of this website transmission.

In conjunction with first aspect or in conjunction with the possible implementation of the first of first aspect, in the 4th kind of possible implementation, this obtains AP is the association identification that website distributes, and comprising: this association identification that receives this AP distribution of this AP transmission.

In conjunction with any the possible implementation in four kinds of possible implementations of the first to the of first aspect, in the 5th kind of possible implementation, the method also comprises: receive the first broadcast that this AP sends, in the data dial gauge TIM information of carrying in this first broadcast, the binary digit corresponding with this association identification is the first value; According to this first broadcast, determine the downlink data that has this website in this AP.

In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, the method also comprises: the downlink data that receives this website of this AP transmission; The downlink data of this website of buffer memory; The second broadcast of TIM information is carried in transmission, and in the TIM information of carrying in this second broadcast, the binary digit corresponding with this association identification is the first value, to indicate the downlink data that has this website in trunking.

The 6th kind of possible implementation in conjunction with first aspect, in the 7th kind of possible implementation, receive the data transmission triggering message that this website sends according to this second broadcast, these second data transmit and trigger message for asking this trunking to send the downlink data of this website; According to these data, transmit and trigger message, to this website, send the downlink data of this website.

In conjunction with any the possible implementation in the 5th kind to the 7th kind possible implementation of first aspect, in the 8th kind of possible implementation, the method also comprises: while there is not the downlink data of this website in trunking, the 3rd broadcast of TIM information is carried in transmission, and in the TIM information of carrying in the 3rd broadcast, the binary digit corresponding with this association identification is the second value.

Second aspect, provides the method communicating in another kind of WLAN (wireless local area network), comprising: by trunking, to the AP associated with this trunking, send request information, it is that website distributes association identification that this solicited message is used for asking this AP; Receive the response message that this AP sends by this trunking, this response message comprises the association identification that this AP distributes for this website.

In conjunction with second aspect, in the possible implementation of the first, the method also comprises: to this trunking, send this association identification that this AP distributes, so that this trunking is set up address information and the corresponding relation between this association identification of this website and provided trunking traffic service according to this corresponding relation between this website and this AP.

In conjunction with second aspect or in conjunction with the possible implementation of the first of second aspect, in the possible implementation of the second, the method also comprises: receive the broadcast of the data dial gauge TIM information of carrying of this trunking transmission, in this TIM information, the binary digit corresponding with this association identification is the first value; According to this broadcast, to this trunking, send data and transmit triggering message, these data transmit and trigger message for asking this trunking to send the downlink data of this website of this trunking buffer memory; Receive this trunking and according to these data, transmit the downlink data of this website that triggers message transmission.

The third aspect, provides the method communicating in another WLAN (wireless local area network), comprising: the solicited message that receiving station sends by trunking, and this solicited message is used for asking access point AP for this website distribution association identification; According to this solicited message, for this website distributes association identification; By this trunking, to this website, send response message, this response message comprises this association identification.

In conjunction with the third aspect, in the possible implementation of the first, the method also comprises: to this trunking, send this association identification that this AP distributes, so that this trunking is set up address information and the corresponding relation between this association identification of this website and provided trunking traffic service according to this corresponding relation between this website and this AP.

In conjunction with the third aspect or in conjunction with the possible implementation of the first of the third aspect, in the possible implementation of the second, the method also comprises: while there is the downlink data of this website in this AP, the broadcast of data dial gauge TIM information is carried in transmission, and in this TIM information, the binary digit corresponding with this association identification is the first value; Receive the data transmission triggering message that this trunking sends according to this broadcast, these data transmit and trigger message for asking this AP to send the downlink data of this website; According to these data, transmit and trigger message, to this trunking, send the downlink data of this website.

Fourth aspect, provides the trunking in a kind of WLAN (wireless local area network), comprising: acquisition module is the association identification that website distributes for obtaining access point AP; Set up module, for setting up the corresponding relation between the address information of this website and this association identification that this acquisition module obtains, take and provide trunking traffic service according to this corresponding relation as this website and this AP.

In conjunction with fourth aspect, in the possible implementation of the first, this trunking also comprises: the first receiver module, for obtain the association identification that AP is website distribution at this acquisition module before, receive the solicited message that this website sends, this solicited message is used for asking this AP for this website distribution association identification; The first sending module, this solicited message receiving for send this first receiver module to this AP, so that this AP is this website distribution association identification according to this solicited message; The response message that this first receiver module also sends for receiving this AP, this response message comprises that this AP is the association identification that this website distributes according to this solicited message of this first sending module transmission; This response message that this first sending module also receives for send this first receiver module to this website.

In conjunction with the possible implementation of the first of fourth aspect, in the possible implementation of the second, this association identification that this acquisition module distributes specifically for obtain this AP from this response message.

In conjunction with fourth aspect or in conjunction with the possible implementation of the first of fourth aspect, in the third possible implementation, this acquisition module comprises: receiving element, this association identification of distributing for receiving this AP of this website transmission.

In conjunction with fourth aspect or in conjunction with the possible implementation of the first of fourth aspect, in the 4th kind of possible implementation, this acquisition module comprises: receiving element, this association identification of distributing for receiving this AP of this AP transmission.

In conjunction with any the possible implementation in four kinds of possible implementations of the first to the of fourth aspect, in the 5th kind of possible implementation, this trunking also comprises: the second receiver module, the first broadcast sending for receiving this AP, in the TIM information of carrying in this first broadcast, the binary digit corresponding with this association identification is the first value; Determination module, for this first broadcast receiving according to this second receiver module, determines the downlink data that has this website in this AP.

In conjunction with the 5th kind of possible implementation of fourth aspect, in the 6th kind of possible implementation, this second receiver module is also for receiving the downlink data of this website of this AP transmission; This trunking also comprises: cache module, the downlink data of this website receiving for this second receiver module of buffer memory; The second sending module, for sending second broadcast of carrying TIM information, in the TIM information of carrying in this second broadcast, the binary digit corresponding with this association identification is the first value, to indicate the downlink data that has this website in trunking.

The 6th kind of possible implementation in conjunction with fourth aspect, in the 7th kind of possible implementation, the data transmission triggering message that this second receiver module also sends according to this second broadcast for receiving this website, these data transmit and trigger message for asking this trunking to send the downlink data of this website; This second sending module also transmits and triggers message for these data that receive according to this second receiver module, sends the downlink data of this website to this website.

In conjunction with any the possible implementation in the 5th kind to the 7th kind possible implementation of fourth aspect, in the 8th kind of possible implementation, this second sending module is also for when there is not the downlink data of this website in this trunking, the 3rd broadcast of TIM information is carried in transmission, and in the TIM information of carrying in the 3rd broadcast, the binary digit corresponding with this association identification is the second value.

The 5th aspect, provides a kind of website, comprising: sending module, and for sending request information by trunking to the AP associated with this trunking, it is that website distributes association identification that this solicited message is used for asking this AP; Receiver module, the response message sending by this trunking for receiving this AP, this response message comprises that this AP is the association identification that this website distributes according to this solicited message of this sending module transmission.

In conjunction with the 5th aspect, in the possible implementation of the first, this association identification that this sending module also distributes for send this AP to this trunking, so that this trunking is set up address information and the corresponding relation between this association identification of this website and is provided trunking traffic service according to this corresponding relation between this website and this AP.

In conjunction with the 5th aspect or in conjunction with the possible implementation of the first of the 5th aspect, in the possible implementation of the second, this receiver module is also for receiving the broadcast of the data dial gauge TIM information of carrying of this trunking transmission, and in this TIM information, the binary digit corresponding with this association identification is the first value; This sending module is this broadcast for receiving according to this receiver module also, sends data transmit triggering message to this trunking, and these data transmit and trigger message for asking this trunking to send the downlink data of this website of this trunking buffer memory; This receiver module also transmits the downlink data of this website that triggers message transmission for receiving this trunking according to these data of this sending module transmission.

The 6th aspect, provides a kind of wireless access point AP, comprising: receiver module, and the solicited message sending by trunking for receiving station, this solicited message is used for asking access point AP for this website distribution association identification; Distribution module, for this solicited message receiving according to this receiver module, for this website distributes association identification; Sending module, for sending response message by this trunking to this website, this response message comprises this association identification of this module assigns.

In conjunction with the 6th aspect, in the possible implementation of the first, this sending module is also for send this association identification of this module assigns to this trunking, so that this trunking is set up address information and the corresponding relation between this association identification of this website and provided trunking traffic service according to this corresponding relation between this website and this AP.

In conjunction with the 6th aspect or in conjunction with the possible implementation of the first of the 6th aspect, in the possible implementation of the second, this sending module is also for when there is the downlink data of this website in this AP, the broadcast of data dial gauge TIM information is carried in transmission, and in this TIM information, the binary digit corresponding with this association identification is the first value; The data transmission triggering message that this receiver module also sends according to this broadcast of this sending module transmission for receiving this trunking, these data transmit triggering message for asking this AP to send the downlink data of this website; This sending module also transmits and triggers message for these data that receive according to this receiver module, sends the downlink data of this website to this trunking.

The 7th aspect, a kind of wireless local area network (WLAN) system is provided, comprise: any trunking in eight kinds of possible trunkings of the first to the of fourth aspect or fourth aspect, any website in the possible website of the first of the 5th side aspect or the 5th aspect or the second, any AP in the possible wireless access point AP of the first of the 6th aspect or the 6th aspect or the second.

Therefore, according to the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention, by trunking, between website and access point AP, provide trunking traffic to serve, and AP is website unified distribution association identification, thereby the website of having avoided each trunking to be respectively its management distributes association identification, and the association identification that can guarantee the website in the Basic Service Set of this AP can not clash, this provides convenience for the subsequent communications process between AP and website, has improved communication efficiency.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in the embodiment of the present invention or description of the Prior Art be briefly described below, apparently, below described accompanying drawing be only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is according to the indicative flowchart of the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention.

Fig. 2 is another indicative flowchart according to the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention.

Fig. 3 is the indicative flowchart again according to the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention.

Fig. 4 is the indicative flowchart again according to the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention.

Fig. 5 is the indicative flowchart again according to the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention.

Fig. 6 is the indicative flowchart of the method that communicates in WLAN (wireless local area network) according to another embodiment of the present invention.

Fig. 7 is the indicative flowchart of the method that communicates in WLAN (wireless local area network) according to yet another embodiment of the invention.

Fig. 8 is according to the schematic block diagram of the trunking in the WLAN (wireless local area network) of the embodiment of the present invention.

Fig. 9 is another schematic block diagram according to the trunking in the WLAN (wireless local area network) of the embodiment of the present invention.

Figure 10 is the schematic block diagram again according to the trunking in the WLAN (wireless local area network) of the embodiment of the present invention.

Figure 11 is according to the schematic block diagram of the website of the embodiment of the present invention.

Figure 12 is according to the schematic block diagram of the wireless access point AP of the embodiment of the present invention.

Figure 13 is according to the schematic block diagram of the WLAN (wireless local area network) wlan system of the embodiment of the present invention.

Figure 14 is the schematic block diagram of the trunking in WLAN (wireless local area network) according to another embodiment of the present invention.

Figure 15 is the schematic block diagram of website according to another embodiment of the present invention.

Figure 16 is the schematic block diagram of wireless access point AP according to another embodiment of the present invention.

Figure 17 is the schematic block diagram of WLAN (wireless local area network) wlan system according to another embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, should belong to the scope of protection of the invention.

Should understand, the technical scheme of the embodiment of the present invention be take the WLAN communication system that adopts WIFI technology and is described as example, but the technical scheme of the embodiment of the present invention can be applied to various communication systems, for example: global system for mobile telecommunications (Global System of Mobile communication, referred to as " GSM ") system, code division multiple access (Code Division Multiple Access, referred to as " CDMA ") system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, referred to as " WCDMA ") system, GPRS (General Packet Radio Service, referred to as " GPRS "), Long Term Evolution (Long Term Evolution, referred to as " LTE ") system, LTE Frequency Division Duplexing (FDD) (Frequency Division Duplex, referred to as " FDD ") system, LTE time division duplex (Time Division Duplex, referred to as " TDD "), universal mobile telecommunications system (Universal Mobile Telecommunication System, referred to as " UMTS "), the interconnected inserting of microwave in the whole world (Worldwide Interoperability for Microwave Access, referred to as " WiMAX ") communication system etc.,

Will also be understood that, in embodiments of the present invention, website can be various subscriber equipmenies (the User Equipment that supports WIFI communication protocol, referred to as " UE "), terminal (Terminal), travelling carriage (Mobile Station, referred to as " MS "), mobile terminal (Mobile Terminal) etc., this website can be through wireless access network (Radio Access Network, referred to as " RAN ") communicate with one or more core net, for example, website can be mobile phone (or being called " honeycomb " phone), there is the computer of mobile terminal etc., for example, website can also be portable, pocket, hand-hold type, built-in computer or vehicle-mounted mobile device, they and wireless access network switched voice and/or data.

Will also be understood that, in embodiments of the present invention, AP can provide access service for website, AP can be the access point in WiFi, also can be the base station (Base Transceiver Station, referred to as " BTS ") in GSM or CDMA, can also be the base station (NodeB) in WCDMA, it can also be the evolved base station (evolved Node B, referred to as " eNB " or " e-NodeB ") in LTE.The present invention is to this and be not construed as limiting.

Fig. 1 shows according to the indicative flowchart of the method 100 communicating in the WLAN (wireless local area network) of the embodiment of the present invention, and method 100 can be carried out by trunking, and as shown in Figure 1, the method 100 comprises:

S110, obtaining access point AP is the association identification that website distributes;

S120, sets up the address information of this website and the corresponding relation between this association identification, take and provides trunking traffic service according to this corresponding relation as this website and this AP.

In embodiments of the present invention, this AP has set up associated AP with this trunking, and this website can be the website that has received the broadcast that this trunking periodically sends.This AP is that website distributes association identification, and this trunking obtains this association identification, and set up the corresponding relation between the address information of this association identification and this website, for example, media access control (Media Access Control, referred to as " MAC ") address information, take and provide trunking traffic service according to this corresponding relation as this AP and this website.

Alternatively, first trunking can be set up associated with AP, and periodically send broadcast, in this broadcast, carry the information of this trunking and this AP, for example, address information and identification information etc., website receives after the broadcast of this trunking transmission, can to AP, send request information by this trunking, it is that this website distributes association identification that this solicited message is used for asking AP, alternatively, this solicited message can be carried in the association request message of this website transmission, this association request message can be carried address or the identification information of this website, address or the identification information of the address of this trunking or identification information and this AP, wherein, the address of this website or identification information can be used as the source address information of this association request message, the address of this trunking or identification information can be used as receiver address information, address or the identification information of this AP can be used as target address information.After the association request message that trunking receiving station STA sends, can this solicited message of carrying in this association request message be sent to AP according to the target address information in this association request message.Alternatively, this association request message also can not carried address or the identification information of this AP, this solicited message is sent to has set up associated AP with this trunking, but the embodiment of the present invention is not limited to this and preset this trunking.

Alternatively, this solicited message can also be for asking AP to provide the business service of particular type for website, this AP receives after this solicited message, determine and oneself can just can accept the request of this website for it provides such business service, and be this website distribution association identification, and by trunking, to this website, send the response message that comprises this association identification, wherein, alternatively, this AP can be carried at this response message in associate response message and send.Wherein, in this associate response message, can carry the address of this trunking or identification information as receiver address information and carry the address of this website or identification information as target address information.This trunking can be sent to this website by this response message according to the target address information in this association request message, and alternatively, this associate response message can also be carried the address information of this AP as source address information, but the embodiment of the present invention is not limited to this.

In embodiments of the present invention, an AP can set up associated with at least one trunking, this AP also can set up associatedly with at least one website, and a trunking can provide trunking traffic service at least one website, but the embodiment of the present invention is not limited to this.

Alternatively, as shown in Figure 2, before S110, the method 100 also comprises:

S130, receives the solicited message that this website sends, and this solicited message is used for asking this AP for this website distribution association identification;

S135, sends this solicited message to this AP, so that this AP is this website distribution association identification according to this solicited message;

S140, receives the response message that this AP sends, and this response message comprises the association identification that this AP distributes for this website;

S145, sends this response message to this website.

This trunking can obtain this association identification in several ways, and alternatively, this trunking can, by resolving this response message, obtain this association identification from this response message; This trunking also can receive the association identification of this website or AP transmission, but the embodiment of the present invention is not limited to this.

Alternatively, S110, obtains this AP for this association identification that this website distributes, and comprising:

S111 obtains this association identification that this AP distributes from this response message.

Alternatively, as another embodiment, S110, obtains this AP for this association identification that this website distributes, and comprising:

S112, receives this association identification that this AP that this website sends distributes.

S113, receives this association identification that this AP that this AP sends distributes.

Alternatively, as another embodiment, when having set up the battery saving mode of associated website in TIM mechanism with AP, this AP be take the period 1 as interval, periodically send the first broadcast, for example, beacon message, in this first broadcast, carry TIM information with indicate this AP whether buffer memory the downlink data of each website of its service.Correspondingly, it is doubly interval that this trunking be take the arbitrary integer of this period 1, periodically receives the first broadcast that this AP sends.When this AP buffer memory during the downlink data of a certain website, this AP can be set to the first value with the corresponding binary digit of association identification of this website in the TIM information that this first broadcast is carried, with the downlink data of this website of having indicated in this AP buffer memory, and broadcast this first broadcast to having set up associated all trunkings with this AP, wherein, this first value can be 1 or 0.When this trunking receives after this first broadcast, find that the binary digit corresponding with the association identification of this website is this first value, the downlink data of this website of this trunking service of having determined this AP buffer memory.Correspondingly, as shown in Figure 3, the method 100 also comprises:

S150, receives the first broadcast that this AP sends, and in the data dial gauge TIM information of carrying in this first broadcast, the binary digit corresponding with this association identification is the first value;

S155, according to this first broadcast, determines the downlink data that has this website in this AP.

This trunking can send the first data to this AP and transmit triggering message, and for example, PS-Poll message, asks this AP to this trunking, to send the downlink data of this website.The first data that this AP can send according to this trunking receiving transmit and trigger message, send the downlink data of this website to this trunking, and this trunking receives the downlink data of this website also by this downlink data buffer memory.In addition, this trunking be take second round as interval, periodically sends the second broadcast; Correspondingly, it is doubly interval that the website of this trunking service be take the arbitrary integer of this second round, periodically receives the second broadcast that this trunking sends.Wherein, can be greater than this period 1 this second round, so that the website of this trunking service can the dormancy longer time, the downlink data of website can too much not take again the memory space of AP simultaneously.Binary digit corresponding with the association identification of a certain website in the TIM information that this trunking can carry in the second broadcast is set to the first value, to indicate the downlink data that has this website in this trunking; And binary digit corresponding with the association identification of a certain website in the TIM information that can carry in the second broadcast is set to the second value, to indicate the downlink data that does not have this website in this trunking.Wherein, this first value can be 0, and this second value is 1; Or this first value is 1, this second value is 0, but the embodiment of the present invention is not limited to this.

Alternatively, as shown in Figure 4, the method 100 also comprises:

S160, receives the downlink data of this website that this AP sends;

S165, the downlink data of this website of buffer memory;

S170, sends second broadcast of carrying TIM information, and in the TIM information of carrying in this second broadcast, the binary digit corresponding with this association identification is the first value, to indicate the downlink data that has this website in trunking.

When this website receives after this second broadcast, the downlink data of this website of having found this trunking buffer memory, this website can send the second data to this trunking and transmit and trigger message, for example, PS-Poll message, to ask this trunking to send this downlink data to this website.These second data that receive this trunking transmit and trigger message, can send this downlink data to this website.Correspondingly, as shown in Figure 5, the method 100 also comprises:

S175, receives the data transmission triggering message that this website sends according to this second broadcast, and these second data transmit and trigger message for asking this trunking to send the downlink data of this website;

S180, transmits and triggers message according to these data, sends the downlink data of this website to this website.

Alternatively, as another embodiment, the method 100 also comprises:

S185, while there is not the downlink data of this website in trunking, sends the 3rd broadcast of carrying TIM information, and in the TIM information of carrying in the 3rd broadcast, the binary digit corresponding with this association identification is the second value.

Therefore, according to the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention, by trunking, between website and access point AP, provide trunking traffic to serve, and AP is website unified distribution association identification, thereby the website of having avoided each trunking to be respectively its management distributes association identification, and the association identification that can guarantee the website in the Basic Service Set of this AP can not clash, this provides convenience for the subsequent communications process between AP and website, has improved communication efficiency.Further, in TIM mechanism, this trunking and AP can indicate whether to exist according to this association identification the downlink data of this website, and this trunking can receive and the downlink data of this website that buffer memory AP sends, thereby make website can dormancy the longer time, further saved the power consumption of website.

Above in conjunction with Fig. 1 to Fig. 5, from the angle of trunking, describe the method communicating according to the WLAN (wireless local area network) of the embodiment of the present invention in detail, below in conjunction with Fig. 6 and Fig. 7, the angle of slave site and access point AP is described in detail according to the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention respectively.

Fig. 6 shows the indicative flowchart of the method 200 communicating in WLAN (wireless local area network) according to another embodiment of the present invention, and the method can be carried out by website, and as shown in Figure 5, the method 200 comprises:

S210, sends request information by trunking to the AP associated with this trunking, and it is that website distributes association identification that this solicited message is used for asking this AP;

S220, receives the response message that this AP sends by this trunking, and this response message comprises the association identification that this AP distributes for this website.

Alternatively, this website can also be sent to this trunking by the association identification obtaining from this response message, and the method 200 also comprises:

S230, sends to this trunking this association identification that this AP distributes, so that this trunking is set up address information and the corresponding relation between this association identification of this website and provided trunking traffic service according to this corresponding relation between this website and this AP.

Alternatively, as another embodiment, the method 200 also comprises:

S240, receives the broadcast of the data dial gauge TIM information of carrying that this trunking sends, and in this TIM information, the binary digit corresponding with this association identification is the first value;

S250, according to this broadcast, sends data to this trunking and transmits triggering message, and these data transmit and trigger message for asking this trunking to send the downlink data of this website of this trunking buffer memory;

S260, receives this trunking and according to these data, transmits the downlink data of this website that triggers message transmission.

Fig. 7 shows the indicative flowchart of the method 300 communicating in WLAN (wireless local area network) according to yet another embodiment of the invention, and the method can be carried out by access point AP, and as shown in Figure 7, the method 300 comprises:

S310, the solicited message that receiving station sends by trunking, this solicited message is used for asking access point AP for this website distribution association identification;

S320, according to this solicited message, for this website distributes association identification;

S330, sends response message by this trunking to this website, and this response message comprises this association identification.

Alternatively, as another embodiment, the method 300 also comprises:

S340, sends to this trunking this association identification that this AP distributes, so that this trunking is set up address information and the corresponding relation between this association identification of this website and provided trunking traffic service according to this corresponding relation between this website and this AP.

Alternatively, as another embodiment, the method 300 also comprises:

S350, while there is the downlink data of this website in this AP, sends the broadcast of carrying data dial gauge TIM information, and in this TIM information, the binary digit corresponding with this association identification is the first value;

S360, receives the data transmission triggering message that this trunking sends according to this broadcast, and these data transmit and trigger message for asking this AP to send the downlink data of this website;

S370, transmits and triggers message according to these data, sends the downlink data of this website to this trunking.

Should be understood that above-mentioned each process sequence number size and do not mean that the priority of execution sequence, the execution sequence of each process should determine with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.

Above, in conjunction with Fig. 1 to Fig. 7, describe the method communicating according in the WLAN (wireless local area network) of the embodiment of the present invention in detail, below in conjunction with Fig. 8 to Figure 17, describe according to the trunking in the WLAN (wireless local area network) of the embodiment of the present invention, website and WAP (wireless access point).

Fig. 8 shows according to the schematic block diagram of the trunking 400 in the WLAN (wireless local area network) of the embodiment of the present invention, and as shown in Figure 8, this trunking 400 comprises:

Acquisition module 410 is the association identification that website distributes for obtaining access point AP;

Set up module 420, for setting up the corresponding relation between the address information of this website and this association identification that this acquisition module 410 obtains, take and provide trunking traffic service according to this corresponding relation as this website and this AP.

Alternatively, as another embodiment, as shown in Figure 9, this trunking 400 also comprises:

The first receiver module 430, for obtain the association identification that AP is website distribution at this acquisition module 410 before, receives the solicited message that this website sends, and this solicited message is used for asking this AP for this website distribution association identification;

The first sending module 440, this solicited message receiving for send this first receiver module 430 to this AP, so that this AP is this website distribution association identification according to this solicited message;

The response message that this first receiver module 430 also sends for receiving this AP, this response message comprises that this AP is the association identification that this website distributes according to this solicited message of these first sending module, 440 transmissions;

This response message that this first sending module 440 also receives for send this first receiver module 430 to this website.

Alternatively, this association identification that this acquisition module 410 distributes specifically for obtain this AP from this response message.

Alternatively, as another embodiment, this acquisition module 410 comprises:

Receiving element 411, this association identification of distributing for receiving this AP of this website transmission.

Alternatively, as another embodiment, this acquisition module 410 comprises:

Receiving element 411, this association identification of distributing for receiving this AP of this AP transmission.

Alternatively, as another embodiment, as shown in figure 10, this trunking 400 also comprises:

The second receiver module 450, the first broadcast sending for receiving this AP, in the TIM information of carrying in this first broadcast, the binary digit corresponding with this association identification is the first value;

Determination module 460, for this first broadcast receiving according to this second receiver module 450, determines the downlink data that has this website in this AP.

Alternatively, as another embodiment, this second receiver module 450 is also for receiving the downlink data of this website of this AP transmission;

Correspondingly, this trunking 400 also comprises:

Cache module 470, the downlink data of this website receiving for this second receiver module 450 of buffer memory;

The second sending module 480, for sending second broadcast of carrying TIM information, in the TIM information of carrying in this second broadcast, the binary digit corresponding with this association identification is the first value, to indicate the downlink data that has this website in trunking.

Alternatively, as another embodiment, the data transmission triggering message that this second receiver module 450 also sends according to this second broadcast for receiving this website, these data transmit and trigger message for asking this trunking to send the downlink data of this website;

This second sending module 480 also transmits and triggers message for these data that receive according to this second receiver module 450, sends the downlink data of this website to this website.

Alternatively, as another embodiment, this second sending module 480 is also for when there is not the downlink data of this website in this trunking, the 3rd broadcast of TIM information is carried in transmission, and in the TIM information of carrying in the 3rd broadcast, the binary digit corresponding with this association identification is the second value.

Can be corresponding to according to the trunking in the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention according to the trunking 400 of the embodiment of the present invention, and above-mentioned and other operation of the modules in trunking 400 and/or function are respectively in order to realize the corresponding flow process of each method in Fig. 1 to Fig. 5, for simplicity, do not repeat them here.

Figure 11 shows according to the schematic block diagram of the website 500 of the embodiment of the present invention, and this website 500 comprises:

Sending module 510, for sending request information by trunking to the AP associated with this trunking, it is that website distributes association identification that this solicited message is used for asking this AP;

Receiver module 520, the response message sending by this trunking for receiving this AP, this response message comprises that this AP is the association identification that this website distributes according to this solicited message of these sending module 510 transmissions.

Alternatively, as another embodiment, this association identification that this sending module 510 also distributes for send this AP to this trunking, so that this trunking is set up address information and the corresponding relation between this association identification of this website and is provided trunking traffic service according to this corresponding relation between this website and this AP.

Alternatively, as another embodiment, this receiver module 520 is also for receiving the broadcast of the data dial gauge TIM information of carrying of this trunking transmission, and in this TIM information, the binary digit corresponding with this association identification is the first value;

This sending module 510 is this broadcast for receiving according to this receiver module 520 also, to this trunking, send data and transmit triggering message, these data transmit and trigger message for asking this trunking to send the downlink data of this website of this trunking buffer memory;

This receiver module 520 also transmits the downlink data of this website that triggers message transmission for receiving this trunking according to these data of these sending module 510 transmissions.

Can be corresponding to according to the website in the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention according to the website 500 of the embodiment of the present invention, and above-mentioned and other operation of the modules in website 500 and/or function are respectively in order to realize the corresponding flow process of each method in Fig. 6, for simplicity, do not repeat them here.

Figure 12 shows according to the schematic block diagram of the wireless access point AP 600 of the embodiment of the present invention, and this AP600 comprises:

Receiver module 610, the solicited message sending by trunking for receiving station, this solicited message is used for asking access point AP for this website distribution association identification;

Distribution module 620, for this solicited message receiving according to this receiver module 610, for this website distributes association identification;

Sending module 630, for sending response message by this trunking to this website, this response message comprises this association identification that this distribution module 620 is distributed.

Alternatively, as another embodiment, this association identification that this sending module 630 also distributes for send this distribution module 620 to this trunking, so that this trunking is set up address information and the corresponding relation between this association identification of this website and is provided trunking traffic service according to this corresponding relation between this website and this AP.

Alternatively, as another embodiment, this sending module 630, also for when this AP exists the downlink data of this website, sends the broadcast of carrying data dial gauge TIM information, and in this TIM information, the binary digit corresponding with this association identification is the first value;

The data transmission triggering message that this receiver module 610 also sends according to this broadcast of these sending module 630 transmissions for receiving this trunking, these data transmit triggering message for asking this AP to send the downlink data of this website;

This sending module 630 also transmits and triggers message for these data that receive according to this receiver module 610, sends the downlink data of this website to this trunking.

Can be corresponding to according to the subscriber equipment communicating in the WLAN (wireless local area network) of the embodiment of the present invention according to the wireless access point AP 600 of the embodiment of the present invention, and above-mentioned and other operation of the modules in wireless access point AP 600 and/or function are respectively in order to realize the corresponding flow process of each method in Fig. 7, for simplicity, do not repeat them here.

Figure 13 shows according to the schematic block diagram of the WLAN (wireless local area network) wlan system 700 of the embodiment of the present invention, and this wlan system 700 comprises: any trunking 710, website as shown in figure 11 720 and WAP (wireless access point) as shown in figure 12 730 as shown in Fig. 8 to Figure 10.

Figure 14 shows the schematic block diagram of the trunking 800 of WLAN (wireless local area network) WLAN according to another embodiment of the present invention, and this trunking 800 comprises processor 810, memory 820 and bus system 830.Wherein, processor 810 is connected by bus system 830 with memory 820, and this memory 820 is for storing instruction, and this processor 810, by this bus system 830, calls this instruction of storage in this memory 820.Particularly, this processor 810 is the association identification that website distributes for obtaining access point AP; Set up the corresponding relation between the address information of this website and this association identification that this acquisition module obtains, take and provide trunking traffic service according to this corresponding relation as this website and this AP.Therefore, according to the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention, by trunking, between website and access point AP, provide trunking traffic to serve, and AP is website unified distribution association identification, thereby the website of having avoided each trunking to be respectively its management distributes association identification, and the association identification that can guarantee the website in the Basic Service Set of this AP can not clash, this provides convenience for the subsequent communications process between AP and website, has improved communication efficiency.

Should understand, in embodiments of the present invention, this processor 810 can be CPU (Central Processing Unit, referred to as " CPU "), this processor 810 can also be other general processors, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components etc.General processor can be that microprocessor or this processor can be also the processors of any routine etc.

This memory 820 can comprise read-only memory and random access memory, and provides instruction and data to processor 810.A part for memory 820 can also comprise nonvolatile RAM.For example, the information of memory 820 all right storage device types.

This bus system 830, except comprising data/address bus, can also comprise power bus, control bus and status signal bus in addition etc.But for the purpose of clearly demonstrating, in the drawings various buses are all designated as to bus system 830.

In implementation procedure, each step of said method can complete by the integrated logic circuit of the hardware in processor 810 or the instruction of form of software.Step in conjunction with the disclosed method of the embodiment of the present invention can directly be presented as that hardware processor is complete, or complete with the hardware in processor and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory, in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable memory, register.This storage medium is positioned at memory 820, and the information in processor 810 read memories 820 completes the step of said method in conjunction with its hardware.For avoiding repetition, be not described in detail here.

Alternatively, as another embodiment, as shown in figure 14, this trunking 800 also comprises:

Receiver 840, for obtain the association identification that AP is website distribution at this processor 810 before, receives the solicited message that this website sends, and this solicited message is used for asking this AP for this website distribution association identification;

Transmitter 850, this solicited message receiving for send this receiver 840 to this AP, so that this AP is this website distribution association identification according to this solicited message;

The response message that this receiver 840 also sends for receiving this AP, this response message comprises that this AP is the association identification that this website distributes according to this solicited message of these transmitter 850 transmissions;

This response message that this transmitter 850 also receives for send this receiver 840 to this website.

Alternatively, this association identification that this processor 810 distributes specifically for obtain this AP from this response message.

Alternatively, as another embodiment, this association identification that this receiver 840 also distributes for receiving this AP of this website transmission.

Alternatively, as another embodiment, this association identification that this receiver 840 also distributes for receiving this AP of this AP transmission.

Alternatively, as another embodiment, the first broadcast that this receiver 840 also sends for receiving this AP, in the TIM information of carrying in this first broadcast, the binary digit corresponding with this association identification is the first value;

This processor 810 is this first broadcast for receiving according to this receiver 840 also, determines the downlink data that has this website in this AP.

Alternatively, as another embodiment, this receiver 840 is also for receiving the downlink data of this website of this AP transmission;

This processor 810 is also for being cached to this memory 820 by the downlink data of this website of these receiver 840 receptions;

This transmitter 850 is also for sending second broadcast of carrying TIM information, and in the TIM information of carrying in this second broadcast, the binary digit corresponding with this association identification is the first value, to indicate the downlink data that has this website in trunking.

Alternatively, as another embodiment, the data transmission triggering message that this receiver 840 also sends according to this second broadcast for receiving this website, these data transmit and trigger message for asking this trunking to send the downlink data of this website;

This transmitter 850 also transmits and triggers message for these data that receive according to this receiver 840, sends the downlink data of this website to this website.

Alternatively, as another embodiment, this transmitter 850, also for when this trunking does not exist the downlink data of this website, sends the 3rd broadcast of carrying TIM information, and in the TIM information of carrying in the 3rd broadcast, the binary digit corresponding with this association identification is the second value.

Can be corresponding to according to the trunking in the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention according to the trunking 800 of the embodiment of the present invention, and above-mentioned and other operation of the modules in trunking 800 and/or function are respectively in order to realize the corresponding flow process of each method in Fig. 1 to Fig. 5, for simplicity, do not repeat them here.

Therefore, according to the trunking of the embodiment of the present invention, by trunking, between website and access point AP, provide trunking traffic to serve, and AP is website unified distribution association identification, thereby the website of having avoided each trunking to be respectively its management distributes association identification, and the association identification that can guarantee the website in the Basic Service Set of this AP can not clash, this provides convenience for the subsequent communications process between AP and website, has improved communication efficiency.Further, in TIM mechanism, this trunking and AP can indicate whether to exist according to this association identification the downlink data of this website, and this trunking can receive and the downlink data of this website that buffer memory AP sends, thereby make website can dormancy the longer time, further saved the power consumption of website.

Figure 15 shows the schematic block diagram of the website 900 in WLAN (wireless local area network) WLAN according to another embodiment of the present invention, and this website 900 comprises processor 910, memory 920, bus system 930, transmitter 940 and receiver 950.Wherein, processor 910, memory 920, transmitter 940 and receiver 950 are connected by bus system 930, and this memory 920 is for storing instruction, and this processor 910, by this bus system 930, calls this instruction of storage in this memory 920.Particularly,

This transmitter 940 is for sending request information by trunking to the AP associated with this trunking, and it is that website distributes association identification that this solicited message is used for asking this AP;

The response message that this receiver 950 sends by this trunking for receiving this AP, this response message comprises that this AP is the association identification that this website distributes according to this solicited message of these transmitter 940 transmissions.

Therefore, according to the website of the embodiment of the present invention, by trunking, between website and access point AP, provide trunking traffic to serve, and AP is website unified distribution association identification, thereby the website of having avoided each trunking to be respectively its management distributes association identification, and the association identification that can guarantee the website in the Basic Service Set of this AP can not clash, this provides convenience for the subsequent communications process between AP and website, has improved communication efficiency.

Alternatively, as another embodiment, this association identification that this transmitter 940 also distributes for send this AP to this trunking, so that this trunking is set up address information and the corresponding relation between this association identification of this website and is provided trunking traffic service according to this corresponding relation between this website and this AP.

Alternatively, as another embodiment, this receiver 950 is also for receiving the broadcast of the data dial gauge TIM information of carrying of this trunking transmission, and in this TIM information, the binary digit corresponding with this association identification is the first value;

This transmitter 940 is this broadcast for receiving according to this receiver 950 also, sends data transmit triggering message to this trunking, and these data transmit and trigger message for asking this trunking to send the downlink data of this website of this trunking buffer memory;

This receiver 950 also transmits the downlink data of this website that triggers message transmission for receiving this trunking according to these data of these transmitter 940 transmissions.

Can be corresponding to according to the website in the method communicating in the WLAN (wireless local area network) of the embodiment of the present invention according to the website 900 of the embodiment of the present invention, and above-mentioned and other operation of the modules in website 900 and/or function are respectively in order to realize the corresponding flow process of each method in Fig. 6, for simplicity, do not repeat them here.

Figure 16 shows the schematic block diagram of wireless access point AP 1000 according to another embodiment of the present invention, and this AP1000 comprises processor 1010, memory 1020, bus system 1030, transmitter 1040 and receiver 1050.Wherein, processor 1010, memory 1020, transmitter 1040 and receiver 1050 are connected by bus system 1030, this memory 1020 is for storing instruction, and this processor 1010, by this bus system 1030, calls this instruction of storage in this memory 1020.Particularly,

The solicited message that this receiver 1050 sends by trunking for receiving station, this solicited message is used for asking access point AP for this website distribution association identification;

This processor 1010 this solicited message for receiving according to this receiver 1050, for this website distributes association identification;

This transmitter 1040 is for sending response message by this trunking to this website, and this response message comprises this association identification that this processor 1010 distributes.

Therefore, according to the wireless access point AP of the embodiment of the present invention, by trunking, between website and access point AP, provide trunking traffic to serve, and AP is website unified distribution association identification, thereby the website of having avoided each trunking to be respectively its management distributes association identification, and the association identification that can guarantee the website in the Basic Service Set of this AP can not clash, this provides convenience for the subsequent communications process between AP and website, has improved communication efficiency.

Should understand, in embodiments of the present invention, this processor 1010 can be CPU (Central Processing Unit, referred to as " CPU "), this processor 1010 can also be other general processors, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components etc.General processor can be that microprocessor or this processor can be also the processors of any routine etc.

This memory 1020 can comprise read-only memory and random access memory, and provides instruction and data to processor 1010.A part for memory 1020 can also comprise nonvolatile RAM.For example, the information of memory 1020 all right storage device types.

This bus system 1030, except comprising data/address bus, can also comprise power bus, control bus and status signal bus in addition etc.But for the purpose of clearly demonstrating, in the drawings various buses are all designated as to bus system 1030.

In implementation procedure, each step of said method can complete by the integrated logic circuit of the hardware in processor 1010 or the instruction of form of software.Step in conjunction with the disclosed method of the embodiment of the present invention can directly be presented as that hardware processor is complete, or complete with the hardware in processor and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory, in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable memory, register.This storage medium is positioned at memory 1020, and the information in processor 1010 read memories 1020 completes the step of said method in conjunction with its hardware.For avoiding repetition, be not described in detail here.

Alternatively, as another embodiment, this association identification that this transmitter 1040 also distributes for send this processor 1010 to this trunking, so that this trunking is set up address information and the corresponding relation between this association identification of this website and is provided trunking traffic service according to this corresponding relation between this website and this AP.

Alternatively, as another embodiment, this transmitter 1040, also for when this AP exists the downlink data of this website, sends the broadcast of carrying data dial gauge TIM information, and in this TIM information, the binary digit corresponding with this association identification is the first value;

The data transmission triggering message that this receiver 1050 also sends according to this broadcast of these transmitter 1040 transmissions for receiving this trunking, these data transmit triggering message for asking this AP to send the downlink data of this website;

This transmitter 1040 also transmits and triggers message for these data that receive according to this receiver 1050, sends the downlink data of this website to this trunking.

Can be corresponding to according to the subscriber equipment communicating in the WLAN (wireless local area network) of the embodiment of the present invention according to the wireless access point AP 1000 of the embodiment of the present invention, and above-mentioned and other operation of the modules in wireless access point AP 1000 and/or function are respectively in order to realize the corresponding flow process of each method in Fig. 7, for simplicity, do not repeat them here.

Therefore, according to the wireless access point AP of the embodiment of the present invention, by trunking, between website and access point AP, provide trunking traffic to serve, and AP is website unified distribution association identification, thereby the website of having avoided each trunking to be respectively its management distributes association identification, and the association identification that can guarantee the website in the Basic Service Set of this AP can not clash, this provides convenience for the subsequent communications process between AP and website, has improved communication efficiency.Further, in TIM mechanism, this trunking and AP can indicate whether to exist according to this association identification the downlink data of this website, and this trunking can receive and the downlink data of this website that buffer memory AP sends, thereby make website can dormancy the longer time, further saved the power consumption of website.

Figure 17 shows the schematic block diagram of the WLAN (wireless local area network) wlan system 1100 of realizing according to another embodiment of the present invention relay function, and this wlan system 1100 comprises: trunking 1110 as shown in figure 14, website as shown in figure 15 1120 and wireless access point AP as shown in figure 16 1130.

Therefore, according to the WLAN (wireless local area network) wlan system of the embodiment of the present invention, by trunking, between website and access point AP, provide trunking traffic to serve, and AP is website unified distribution association identification, thereby the website of having avoided each trunking to be respectively its management distributes association identification, and the association identification that can guarantee the website in the Basic Service Set of this AP can not clash, this provides convenience for the subsequent communications process between AP and website, has improved communication efficiency.

Should be understood that in embodiments of the present invention, term "and/or" is only a kind of incidence relation of describing affiliated partner, and expression can exist three kinds of relations.For example, A and/or B, can represent: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, character "/", generally represents that forward-backward correlation is to liking a kind of relation of "or" herein.

Those of ordinary skills can recognize, in conjunction with the various method steps of describing in embodiment disclosed herein and unit, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, step and the composition of each embodiment described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Those of ordinary skills can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.

Those skilled in the art can be well understood to, and with succinct, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here for convenience of description.

In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.In addition, shown or discussed coupling each other or direct-coupling or communication connection can be indirect coupling or the communication connections by some interfaces, device or unit, can be also electric, machinery or other form connect.

The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of embodiment of the present invention scheme.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and can be also that two or more unit are integrated in a unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and also can adopt the form of SFU software functional unit to realize.

If the form of SFU software functional unit of usining described integrated unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words, or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory, referred to as " ROM "), the various media that can be program code stored such as random access memory (Random Access Memory, referred to as " RAM "), magnetic disc or CD.

The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily modification or the replacement of various equivalences, within these modifications or replacement all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims

1. the method communicating in WLAN (wireless local area network), is characterized in that, comprising:

Obtaining access point AP is the association identification that website distributes;

Set up the address information of described website and the corresponding relation between described association identification, take and provide trunking traffic service according to described corresponding relation as described website and described AP.

2. method according to claim 1, is characterized in that, described, obtains before access point AP is the website association identification of distributing, and described method also comprises:

Receive the solicited message that described website sends, it is that described website distributes association identification that described request information is used for asking described AP;

To described AP, send described request information, so that described AP is that described website distributes association identification according to described request information;

Receive the response message that described AP sends, described response message comprises that described AP is the association identification that described website distributes;

To described website, send described response message.

3. method according to claim 2, is characterized in that, described in to obtain AP be the association identification that website distributes, comprising:

From described response message, obtain the described association identification that described AP distributes.

4. method according to claim 1 and 2, is characterized in that, described in to obtain AP be the association identification that website distributes, comprising:

Receive the described association identification of the described AP distribution of described website transmission.

5. method according to claim 1 and 2, is characterized in that, described in to obtain AP be the association identification that website distributes, comprising:

Receive the described association identification of the described AP distribution of described AP transmission.

6. according to the method described in any one in claim 1 to 5, it is characterized in that, described method also comprises:

Receive the first broadcast that described AP sends, in the data dial gauge TIM information of carrying in described the first broadcast, the binary digit corresponding with described association identification is the first value;

According to described the first broadcast, determine the downlink data that has described website in described AP.

7. method according to claim 6, is characterized in that, described method also comprises:

Receive the downlink data of the described website of described AP transmission;

The downlink data of website described in buffer memory;

The second broadcast of TIM information is carried in transmission, and in the TIM information of carrying in described the second broadcast, the binary digit corresponding with described association identification is the first value, to indicate the downlink data that has described website in trunking.

8. method according to claim 7, is characterized in that, described method also comprises:

Receive the data transmission triggering message that described website sends according to described the second broadcast, described the second data transmit and trigger message for asking described trunking to send the downlink data of described website;

According to described data, transmit and trigger message, to described website, send the downlink data of described website.

9. according to the method described in any one in claim 6 to 8, it is characterized in that, described method also comprises:

While there is not the downlink data of described website in trunking, send the 3rd broadcast of carrying TIM information, in the TIM information of carrying in described the 3rd broadcast, the binary digit corresponding with described association identification is the second value.

10. the method communicating in WLAN (wireless local area network), is characterized in that, comprising:

By trunking, to the AP associated with described trunking, send request information, it is that website distributes association identification that described request information is used for asking described AP;

Receive the response message that described AP sends by described trunking, described response message comprises that described AP is the association identification that described website distributes.

11. methods according to claim 10, is characterized in that, described method also comprises:

To described trunking, send the described association identification that described AP distributes, so that described trunking is set up address information and the corresponding relation between described association identification of described website and provided trunking traffic service according to described corresponding relation between described website and described AP.

12. according to the method described in claim 10 or 11, it is characterized in that, described method also comprises:

The broadcast that receives the data dial gauge TIM information of carrying of described trunking transmission, in described TIM information, the binary digit corresponding with described association identification is the first value;

According to described broadcast, to described trunking, send data and transmit triggering message, described data transmit and trigger message for asking described trunking to send the downlink data of the described website of described trunking buffer memory;

Receive described trunking and according to described data, transmit the downlink data of the described website that triggers message transmission.

The method communicating in 13. 1 kinds of WLAN (wireless local area network), is characterized in that, comprising:

The solicited message that receiving station sends by trunking, it is that described website distributes association identification that described request information is used for asking access point AP;

According to described request information, for described website distributes association identification;

By described trunking, to described website, send response message, described response message comprises described association identification.

14. methods according to claim 13, is characterized in that, described method also comprises:

15. according to the method described in claim 13 or 14, it is characterized in that, described method also comprises:

While there is the downlink data of described website in described AP, send the broadcast of carrying data dial gauge TIM information, in described TIM information, the binary digit corresponding with described association identification is the first value;

Receive the data transmission triggering message that described trunking sends according to described broadcast, described data transmit and trigger message for asking described AP to send the downlink data of described website;

According to described data, transmit and trigger message, to described trunking, send the downlink data of described website.

Trunking in 16. 1 kinds of WLAN (wireless local area network), is characterized in that, comprising:

Acquisition module is the association identification that website distributes for obtaining access point AP;

Set up module, for setting up the corresponding relation between the address information of described website and described association identification that described acquisition module obtains, take and provide trunking traffic service according to described corresponding relation as described website and described AP.

17. trunkings according to claim 16, is characterized in that, described trunking also comprises:

The first receiver module, for obtain the association identification that AP is website distribution at described acquisition module before, receives the solicited message that described website sends, and it is that described website distributes association identification that described request information is used for asking described AP;

The first sending module, the described request information receiving for send described the first receiver module to described AP, so that described AP is that described website distributes association identification according to described request information;

The response message that described the first receiver module also sends according to the described request information of described the first sending module transmission for receiving described AP, described response message comprises that described AP is the association identification that described website distributes;

The described response message that described the first sending module also receives for send described the first receiver module to described website.

18. trunkings according to claim 17, is characterized in that, the described association identification that described acquisition module distributes specifically for obtain described AP from described response message.

19. according to the trunking described in claim 16 or 17, it is characterized in that, described acquisition module comprises:

Receiving element, the described association identification of distributing for receiving the described AP of described website transmission.

20. according to the trunking described in claim 16 or 17, it is characterized in that, described acquisition module comprises:

Receiving element, the described association identification of distributing for receiving the described AP of described AP transmission.

21. according to claim 16 to the trunking described in any one in 20, it is characterized in that, described trunking also comprises:

The second receiver module, the first broadcast sending for receiving described AP, in the data dial gauge TIM information of carrying in described the first broadcast, the binary digit corresponding with described association identification is the first value;

Determination module, for described the first broadcast receiving according to described the second receiver module, determines the downlink data that has described website in described AP.

22. trunkings according to claim 21, is characterized in that, described the second receiver module is also for receiving the downlink data of the described website of described AP transmission;

Described trunking also comprises:

Cache module, for the downlink data of the described website that described in buffer memory, the second receiver module receives;

The second sending module, for sending second broadcast of carrying TIM information, in the TIM information of carrying in described the second broadcast, the binary digit corresponding with described association identification is the first value, to indicate the downlink data that has described website in trunking.

23. trunkings according to claim 22, it is characterized in that, the data transmission triggering message that described the second receiver module also sends according to described the second broadcast for receiving described website, described data transmit and trigger message for asking described trunking to send the downlink data of described website;

Described the second sending module also transmits and triggers message for the described data that receive according to described the second receiver module, sends the downlink data of described website to described website.

24. according to the trunking described in any one in claim 21 to 23, it is characterized in that, described the second sending module is also for when there is not the downlink data of described website in described trunking, the 3rd broadcast of TIM information is carried in transmission, and in the TIM information of carrying in described the 3rd broadcast, the binary digit corresponding with described association identification is the second value.

25. 1 kinds of websites, is characterized in that, comprising:

Sending module, for sending request information by trunking to the AP associated with described trunking, it is that website distributes association identification that described request information is used for asking described AP;

Receiver module, the response message sending by described trunking for receiving described AP, described response message comprises that the described request information that described AP sends according to described sending module is the association identification that described website distributes.

26. websites according to claim 25, it is characterized in that, the described association identification that described sending module also distributes for send described AP to described trunking, so that described trunking is set up address information and the corresponding relation between described association identification of described website and is provided trunking traffic service according to described corresponding relation between described website and described AP.

27. according to the website described in claim 25 or 26, it is characterized in that, described receiver module is also for receiving the broadcast of the data dial gauge TIM information of carrying of described trunking transmission, and in described TIM information, the binary digit corresponding with described association identification is the first value;

Described sending module is the described broadcast for receiving according to described receiver module also, to described trunking, send data and transmit triggering message, described data transmit and trigger message for asking described trunking to send the downlink data of the described website of described trunking buffer memory;

Described receiver module also transmits the downlink data of the described website that triggers message transmission for receiving described trunking according to the described data of described sending module transmission.

28. 1 kinds of wireless access point AP, is characterized in that, comprising:

Receiver module, the solicited message sending by trunking for receiving station, it is that described website distributes association identification that described request information is used for asking access point AP;

Distribution module, for the described request information receiving according to described receiver module, for described website distributes association identification;

Sending module, for sending response message by described trunking to described website, described response message comprises the described association identification of described module assigns.

29. AP according to claim 28, it is characterized in that, described sending module is also for send the described association identification of described module assigns to described trunking, so that described trunking is set up address information and the corresponding relation between described association identification of described website and provided trunking traffic service according to described corresponding relation between described website and described AP.

30. according to the AP described in claim 28 or 29, it is characterized in that, described sending module is also for when there is the downlink data of described website in described AP, the broadcast of data dial gauge TIM information is carried in transmission, and in described TIM information, the binary digit corresponding with described association identification is the first value;

The data transmission triggering message that described receiver module also sends according to the described broadcast of described sending module transmission for receiving described trunking, described data transmit triggering message for asking described AP to send the downlink data of described website;

Described sending module also transmits and triggers message for the described data that receive according to described receiver module, sends the downlink data of described website to described trunking.

31. 1 kinds of WLAN (wireless local area network) wlan systems, is characterized in that, comprising:

Trunking as described in any one in claim 16 to 24, the website as described in any one in claim 25 to 27 and the wireless access point AP as described in any one in claim 28 to 30.