CN103096492A

CN103096492A - Method, system and relative device of wireless access point and terminal communication

Info

Publication number: CN103096492A
Application number: CN201110350041XA
Authority: CN
Inventors: 树贵明; 丁志明; 方平; 李云波
Original assignee: Huawei Device Co Ltd
Current assignee: Global Innovation Polymerization LLC; Tanous Co
Priority date: 2011-11-08
Filing date: 2011-11-08
Publication date: 2013-05-08
Anticipated expiration: 2031-11-08
Also published as: CN103096492B; WO2013067946A1

Abstract

The invention discloses a method, a system and a relative device of wireless access point and terminal communication, and applied to the technical field of communication. One physics wireless access point can respectively use different wireless access point label orders to send different beacon frames carrying one corresponding wireless access point label and indication information used for indicating available time buckets, in the available time buckets indicated by the indication information, and a terminal can conveniently conduct access network operation between corresponding wireless access point labels and wireless access points. Therefore, one physics wireless access point can use a plurality of wireless access point labels to service different terminals, terminal quantity supported by one physical wireless access point is enlarged, waste of wireless access points is reduced, and using efficiency is the one wireless access point is improved.

Description

A kind of method of WAP (wireless access point) and terminal communication, system and relevant device

Technical field

The present invention relates to communication technical field, particularly the method for WAP (wireless access point) and terminal communication, system and relevant device.

Background technology

At WLAN (wireless local area network, WLAN) can comprise Wireless Fidelity (Wireless Fidelity in, WiFi) website (station, STA) and WAP (wireless access point) (access point, AP), wherein the power supply of STA has battery saving mode, and namely power supply status is changed waking up between (Awake) and dormancy (Doze) state, and STA can't receive the data that AP sends when being in resting state.

And wireless network also has transmission indication map (traffic indication map, TIM) mechanism, whether particularly, AP can periodically send beacon (BEACON) frame to STA, and have data will send to STA with an indicating bit indication AP in the TIM of BEACON element; After STA received this BEACON, if when the indication of indicating bit wherein has data to send, STA can enter the Awake state and trigger AP and send the data of buffer memory to oneself, otherwise STA can enter resting state, so that power saving.This TIM mechanism is applied under several scenes at present, such as sensor network (detecting as forest fire) is medium.

in the process of above-mentioned existing AP and terminal communication, an AP can cover wider scope, as can covering radius being the scope of 1 kilometer, but often have more terminal such as STA in practical application in this wider coverage, and according to present WiFi standard, the corresponding association identification of the access point identity of each AP space is due to the restriction of the figure place of TIM, each AP can only be 1～2007 Terminal Service for association identification, so terminal (as STA) the quantity maximum that AP can serve is no more than 2007, obviously do not reach terminal (as the STA) quantity of the interior required deployment of radius 1 kilometer range in practical application far away, so usually can serve terminal more in this wider range (as STA) by the mode of disposing a plurality of AP in existing application scenarios, can cause the waste of AP resource like this.

Summary of the invention

The embodiment of the present invention provides method, system and the relevant device of a kind of WAP (wireless access point) and terminal communication, reduces the waste of WAP (wireless access point) resource, thereby has improved the utilance of WAP (wireless access point).

The embodiment of the present invention provides a kind of method of WAP (wireless access point) and terminal communication, comprising:

Use respectively a plurality of wireless access point identifications sequentially to send different beacon frames; Carry a corresponding wireless access point identification in described beacon frame, and be used to indicate the indication information of up duration section;

So that terminal is in the indicated up duration section of described indication information, enter net operation according to wireless access point identification and the described WAP (wireless access point) of described correspondence.

Receive the beacon frame that WAP (wireless access point) sends, carry the first wireless access point identification in described beacon frame, and be used to indicate the indication information of up duration section;

In the indicated up duration section of described indication information, enter net operation according to described the first wireless access point identification and described WAP (wireless access point).

The embodiment of the present invention provides a kind of WAP (wireless access point), comprising: the beacon transmitting element is used for using a plurality of wireless access point identifications sequentially to send different beacon frames respectively; Carry a corresponding wireless access point identification in described beacon frame, and be used to indicate the indication information of up duration section;

The embodiment of the present invention provides a kind of terminal, comprising:

The beacon receiving element is used for receiving the beacon frame that WAP (wireless access point) sends, and carries the first wireless access point identification in described beacon frame, and is used to indicate the indication information of up duration section;

The first networking operating unit is used in the indicated up duration section of described indication information, and in the beacon frame that receives according to described beacon receiving element, the first wireless access point identification and described WAP (wireless access point) enter net operation.

The embodiment of the present invention provides the system of a kind of WAP (wireless access point) and terminal communication, comprises the terminal in WAP (wireless access point) and described coverage range of wireless access point, wherein:

Described WAP (wireless access point) is used for using different wireless access point identifications sequentially to send different beacon frames respectively; Carry a corresponding wireless access point identification in described beacon frame, and be used to indicate the indication information of up duration section;

Described terminal is used for receiving the beacon frame that WAP (wireless access point) sends, and carries corresponding wireless access point identification in described beacon frame, and is used to indicate the indication information of up duration section; In the indicated up duration section of described indication information, enter net operation according to wireless access point identification and the described WAP (wireless access point) of described correspondence.

In the method for the WAP (wireless access point) of the present embodiment and terminal communication, a physical radio access point can use respectively different wireless access point identifications sequentially to send different beacon frames, carry a corresponding wireless access point identification in beacon frame, and be used to indicate the indication information of up duration section, so that terminal is in the indicated up duration section of indication information, according to carrying out the net operation that enters of terminal between corresponding wireless access point identification and WAP (wireless access point).Such physical radio access point can be by the different terminal of a plurality of WAP (wireless access point) identification service, owing to comprising a TIM in a beacon frame, and only comprise a wireless access point identification in a beacon frame, so a wireless access point identification can be corresponding to the association identification space that is determined by the TIM figure place.For terminal, each access point identity just is equivalent to an access point of the prior art.Thereby, embodiments of the invention have enlarged a terminal quantity that the physical radio access point is supported, make the terminal quantity that a WAP (wireless access point) is supported to reach terminal quantity actual in its coverage, and need to not dispose a plurality of physical radio access points at the same area, thereby reduced the waste of WAP (wireless access point) resource, improved the utilance of a WAP (wireless access point).

Description of drawings

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

Fig. 1 is the structural representation of the Radio Network System that provides of the embodiment of the present invention;

Fig. 2 is the relation structure diagram that in the embodiment of the present invention, a plurality of radio access management modules send the Beacon frame;

Fig. 3 is the flow chart of the method for a kind of WAP (wireless access point) of providing of the embodiment of the present invention and terminal communication;

Fig. 4 is the method flow diagram that in the embodiment of the present invention, WAP (wireless access point) and terminal enter net operation;

Fig. 5 is the flow chart of the method for the another kind of WAP (wireless access point) that provides of the embodiment of the present invention and terminal communication;

Fig. 6 is the method flow diagram that in the embodiment of the present invention, terminal and WAP (wireless access point) enter net operation;

Fig. 7 is the flow chart of the method for the WAP (wireless access point) that provides of the concrete Application Example of the present invention and terminal communication;

Fig. 8 is the structural representation of a kind of WAP (wireless access point) of providing of the embodiment of the present invention;

Fig. 9 is the structural representation of the another kind of WAP (wireless access point) that provides of the embodiment of the present invention;

Figure 10 is the structural representation of the another kind of WAP (wireless access point) that provides of the embodiment of the present invention;

Figure 11 is the structural representation of a kind of terminal of providing of the embodiment of the present invention;

Figure 12 is the structural representation of the another kind of terminal that provides of the 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 only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.

the embodiment of the present invention provides a kind of method of WAP (wireless access point) and terminal communication, be mainly used in Radio Network System as shown in Figure 1, in wireless network such as WiFi network or macro base station, this system comprises WAP (wireless access point) and a plurality of terminal (STA), comprise again a plurality of radio access management modules in WAP (wireless access point), each radio access management module is the different terminals service in same physical radio access point coverage, such as radio access management module in Fig. 11 is terminal 11 to terminal 1o services, and radio access management module 2 is terminal 21 to terminal 2p services etc., and these terminals are all the terminals in a physical radio access point coverage.

WAP (wireless access point) can heavily be distributed by the real resource of certain computational methods with this WAP (wireless access point), fictionalize the identical a plurality of radio access management modules of function, after being each radio access management module assignment resource, each radio access management module will be the corresponding terminal service, and is independent of each other.when the WAP (wireless access point) Resources allocation, be mainly distribute each radio access management module and the terminal of serving between the wireless access point identification that uses when communicating such as basic service set identification (Basic Service Set Identifier, BSSID) etc. information (beacon frame that is transmission distributes corresponding wireless access point identification) that can each radio access management module of unique identification, and use each wireless access point identification to send the required parameter information of beacon (being designated hereinafter simply as Beacon) frame, such as the Beacon frame sends the cycle, up duration section and/or down time section at the Beacon frame in the transmission cycle, send the transmitted power of Beacon frame, competition phase (competition period in the up duration section, CP) and exempt from the competition phase (competition free period, the parameter such as CFP), and store the wireless access point identification that WAP (wireless access point) is each radio access management module assignment and use this wireless access point identification to send the corresponding relation of the parameter information of beacon frame.Wherein:

can refer in this up duration section in the up duration section of Beacon frame in the transmission cycle, the radio access management module that terminal can use specific wireless channel and this wireless access point identification to identify communicates, can be specifically that a radio access management module begins to send the time interval of the Beacon frame that comprises the second access point identity Zi beginning to send the Beacon frame that comprises the first access point identity to adjacent next radio access management module, and the down time section refer to the Beacon frame in the transmission cycle time except the up duration section be the down time section, and can obtain by competition mechanism the use chance of wireless channel between terminal within the competition phase of up duration section, and will be the use chance of the terminal coordinated allocation channel of service by the radio access management module exempting from the competition phase.

Particularly, WAP (wireless access point) is when being radio access management module assignment resource, can be the wireless access point identification of a correspondence of each radio access management module assignment, particularly, can obtain according to the rule that presets, such as medium access control (MediaAccess Control, the MAC) address designation based on WAP (wireless access point), and by certain a plurality of wireless access point identifications etc. that calculate, the rule that wherein presets can be to be preset in WAP (wireless access point) according to different needs; And WAP (wireless access point) can distribute each radio access management module to use identical or different power to send the Beacon frame by physical layer.

WAP (wireless access point) is after the distribution of completing resource, WAP (wireless access point) just can be carried out transfer of data with terminal by the following method: namely within each beacon frame transmission cycle, a plurality of radio access management modules in WAP (wireless access point) use respectively different wireless access point identifications sequentially to send different beacon frames, carry a corresponding wireless access point identification in beacon frame, and be used to indicate the indication information of up duration section; The terminal that receives like this beacon frame can be in the indicated up duration section of indication information, enters net operation according to wireless access point identification and the WAP (wireless access point) of correspondence.Wherein, within each beacon frame transmission cycle, can use respectively different wireless access point identifications to send different beacon frames according to fixing order, also can send beacon frame according to random order.

For example shown in Figure 2, suppose that a WAP (wireless access point) comprises 3 radio access management modules 1,2 and 3, within each beacon frame transmission cycle, radio access management module 1,2 and 3 can send respectively different beacon frames in the following order: radio access management module 1 uses wireless access point identification 1 to send Beacon 1 rear a period of time of frame, radio access management module 2 uses wireless access point identification 2 to send Beacon 2 rear a period of times of frame, and radio access management module 3 uses wireless access point identification 3 to send Beacon frame 3.In other embodiments, also can use random order to send Beacon frame 1,2 and 3.

Wherein for radio access management module 1, the Beacon frame transmission cycle refers to that send Beacon frame 1 from radio access management module 1 begins to send time period between Beacon frame 1 to radio access management module 1 next time; The up duration section refers at the Beacon frame in the transmission cycle, begin to send Beacon frame 1 from radio access management module 1 and begin to send the time interval of Beacon frame 2 to radio access management module 2, the down time section refer to the Beacon frame in the transmission cycle time except the up duration section be the down time section.

Particularly, for each radio access management module, can carry out according to following step, flow chart comprises as shown in Figure 3:

Step 101, radio access management module be a wireless access point identification of correspondence, and be used to indicate during in the transmission cycle, the indication information of up duration section adds the Beacon frame at the Beacon frame.

Be appreciated that, the radio access management module can periodically send the Beacon frame, particularly before sending the Beacon frame, the wireless access point identification of indication information and this radio access management module need to be added in the Beacon frame, indication information can be the information of directly indicating the up duration section here; Or indirectly indicate the up duration section with the information that the Beacon frame sends cycle and down time section, in this case, the up duration section of indication is the Beacon frame transmission cycle and deducts the down time section.

Here, the Beacon frame sends interior up duration section of cycle and can refer to that this radio access management module begins to send the time interval of Beacon frame Zi beginning to send the Beacon frame to adjacent next radio access management module.

Step 102, radio access management module are used the Beacon frame after corresponding wireless access point identification transmission is added according to step 101.

In the present embodiment, each radio access management module can use wireless access point identification separately to send the Beacon frame to terminal, after terminal receives this Beacon frame, will be in the indicated up duration section of Beacon frame indicating information, carry out the net operation that enters of terminal according to the wireless access point identification that carries in beacon frame and WAP (wireless access point).

In the present embodiment, each radio access management module can send different Beacon frames to terminals different in coverage range of wireless access point, and within a beacon frame transmission cycle, the sign wireless access point identification that uses when each radio access management module is carried out the transmission of Beacon frame is different, and the time point of each radio access management module transmission Beacon frame is different.And each radio access management module can send with identical or different power the Beacon frame, and when namely each radio access management module uses corresponding wireless access point identification to send different beacon frames, transmitted power used can be the same or different.

As seen, in the method for the WAP (wireless access point) of the present embodiment and terminal communication, a physical radio access point can comprise a plurality of radio access management modules, these a plurality of radio access management modules can use respectively different wireless access point identifications sequentially to send different beacon frames, carry a corresponding wireless access point identification in beacon frame, and be used to indicate the indication information of up duration section, so that terminal is in the indicated up duration section of indication information, according to carrying out the net operation that enters of terminal between the wireless access point identification of correspondence and WAP (wireless access point).Such physical radio access point can be by the different terminal of a plurality of WAP (wireless access point) identification service, owing to comprising a TIM in a beacon frame, and only comprise a wireless access point identification in a beacon frame, so a wireless access point identification can be corresponding to the association identification space that is determined by the TIM figure place.For terminal, each access point identity just is equivalent to an access point of the prior art.Thereby, embodiments of the invention have enlarged a terminal quantity that the physical radio access point is supported, make the terminal quantity that a WAP (wireless access point) is supported to reach terminal quantity actual in its coverage, and need to be at a plurality of physical radio access points of same zone deployment, thereby reduced the waste of WAP (wireless access point) resource, improved the utilance of a WAP (wireless access point).

In a specific embodiment, each radio access management module is before carrying out above-mentioned steps 102, the out of Memory that WAP (wireless access point) can also be distributed to this radio access management module adds in the Beacon frame, such as with the competition phase in the up duration section and/or exempt from the information such as competition phase and add in the Beacon frame, terminal will or be exempted from the competition phase with the competition phase or exempt from corresponding communication mode of competition phase (such as competitive way or non-competing mode) in the competition phase to communicate with WAP (wireless access point) like this.Particularly, the channel that needs to vie each other between a plurality of terminals within the competition phase uses chance; And exempting from not need competition in the competition phase between terminal, coordinate the terminal of a plurality of services to the use of channel by the radio access management module.

Need to prove, after WAP (wireless access point) sends beacon frame by the radio access management module, if there is terminal to receive this beacon frame, enter net operation between this terminal meeting and WAP (wireless access point), particularly, terminal can be according to the wireless access point identification in beacon frame, send the networking request message to WAP (wireless access point), WAP (wireless access point) can be come to enter net operation with terminal in accordance with the following steps, and flow chart comprises as shown in Figure 4:

A, after the networking request message that respective wireless Access Management receiving terminal in WAP (wireless access point) sends, if directly be accepted as this Terminal Service, this radio access management module execution in step B; If be not accepted as this Terminal Service, this radio access management module execution in step C.

Be appreciated that, after WAP (wireless access point) powers on, comprising a plurality of radio access management modules can periodically send in order the Beacon frame, after the terminal that does not network receives the Beacon frame, with survey between corresponding radio access management module, system authentication and related etc. enter net operation.

B, the radio access management module uses wireless access point identification corresponding to networking request message and the terminal that request networks to enter net operation, can return to the networking response message to this terminal, and indication is accepted as this Terminal Service.

C, the radio access management module is determined other wireless access point identification outside wireless access point identification corresponding to this radio access management module, and execution in step D, specifically when determining other wireless access point identification, can determine by following several modes:

(1) use terminal quantity and first presetting rule of wireless access point identification institute corresponding with service to determine other wireless access point identification according to a plurality of radio access management modules in WAP (wireless access point) respectively.

Here the first presetting rule can comprise: the wireless access point identification that the terminal quantity of corresponding with service is no more than the radio access management module of a preset value is defined as other wireless access point identification etc., the wireless access point identification of radio access management module that namely can load is less is defined as other wireless access point identification, makes the load (being the terminal quantity of serving) of each radio access management module control within the specific limits.

(2) obtain the corresponding wireless access point identification of radio access management module use networking request message in WAP (wireless access point), power demand information during the terminal called that networks with request, and determine other wireless access point identification in the networking response message according to this power demand information and the second presetting rule.

be appreciated that, if the transmitted power that each radio access management module is used when sending the Beacon frame is different, in not entering network termination and entering the process of net operation, after the radio access management module is receiving the networking request message, meeting detects and this does not enter power demand information when carrying out communication between network termination, if with the power that sends the Beacon frame not at once, higher or make the more power saving of WAP (wireless access point) and terminal for the laser propagation effect that makes data, this radio access management module can select to send other wireless access point identification, here the second presetting rule can be to select in a plurality of radio access management modules, send the power radio access management module corresponding with the power demand of this detection of Beacon frame, and with the wireless access point identification of the radio access management module selected as other wireless access point identification, be about to send the power of beacon frame when corresponding with the power demand of detection, the wireless access point identification that the transmission beacon frame uses is defined as other wireless access point identification.Wherein, the power of said transmission Beacon frame refers to the power demand of this detection is corresponding, and the power demand of Beacon frame power and detection is the most approaching and be not less than power demand.

Particularly, the radio access management module detect and terminal between communication power the time, can send through-put power to terminal and control (transmit power control, TPC) request, and the TPC response returned of receiving terminal.

D, the radio access management module is used wireless access point identification corresponding to networking request message, return to the networking response message to the terminal that request networks, carry other wireless access point identification in the networking response message, terminal can enter net operation according to other wireless access point identification and WAP (wireless access point) like this, concrete enter the networking class of operation of carrying out between net operation and this radio access management module and terminal seemingly, do not give unnecessary details at this.And can also carry the indication information of up duration section corresponding to other wireless access point identification in the networking response message, terminal is when entering net operation according to other wireless access point identification and WAP (wireless access point) like this, and indicated up duration section and the WAP (wireless access point) of the indication information that can carry in the networking response message enters net operation.

Above-mentioned networking request message can be related request (Association Request), authentication request or detection (Probe) request etc., and the response message that networks correspondingly is associated response, authentication response or probe response etc.

Need to prove, in the method for the embodiment of the present invention can be applied to the scene of WAP (wireless access point) use different capacity service zones of different STA, wherein for supporting the STA corresponding with the maximum communication power of WAP (wireless access point), can select arbitrarily a zone to dispose in the signal cover in WAP (wireless access point) when disposing; But for the maximum transmission power STA not corresponding with the WAP (wireless access point) maximum transmission power, can transmission range corresponding according to the maximum transmission power that STA supports when disposing, determine the zone of deployment for STA in the signal cover of WAP (wireless access point), such as: the STA that maximum transmission power is larger is deployed in apart from WAP (wireless access point) zone far away, the STA that maximum transmission power is less is deployed in apart from WAP (wireless access point) nearer zone etc.By this scheme, can be so that a WAP (wireless access point) be to support the STA service of multiple different transmission power simultaneously.

And also need to prove, above-mentioned from Fig. 2 to Fig. 4 the WAP (wireless access point) in corresponding embodiment and the method for terminal communication be in the system that is applied to as shown in Figure 1, WAP (wireless access point) can fictionalize a plurality of radio access management modules in this system, sends different beacon frames by each radio access management module with corresponding wireless access point identification.

In other embodiments, the method of WAP (wireless access point) and terminal communication also can be applied in the Radio Network System that comprises WAP (wireless access point) and terminal, WAP (wireless access point) includes only a radio access management module in this system, but use respectively a plurality of wireless access point identifications sequentially to send different beacon frames by this radio access management module, the wireless access point identification difference of namely using at adjacent twice beacon frame of transmission.The method that communicates between WAP (wireless access point) and terminal in this system and Fig. 2 are similar to the method that WAP (wireless access point) shown in Figure 4 and terminal communicate, different is is not to be communicated by a plurality of modules and terminal that WAP (wireless access point) fictionalizes in the present embodiment, but only have a radio access management module directly to use different sign and terminals to communicate, in this case, this radio access management module can safeguard that at least two groups send the parameter of beacon frame, such as information such as the WAP (wireless access point) of using and up duration sections.

The embodiment of the present invention also provides a kind of method of WAP (wireless access point) and terminal communication, is mainly used in system as shown in Figure 1, and the method for the present embodiment is the performed method of terminal one side, and flow chart comprises as shown in Figure 5:

Step 201, receive the beacon Beacon frame that the included radio access management module of WAP (wireless access point) sends, carry the first wireless access point identification of this radio access management module in the Beacon frame, and be used to indicate the indication information in the up duration section of Beacon frame in the transmission cycle.

Be appreciated that how the radio access management module sends as described in Beacon frame embodiment as corresponding in Fig. 3, does not give unnecessary details at this.In the Beacon frame that receives except carrying indication information and the first wireless access point identification, can also carry the TIM element, with the parameter information that sends the Beacon frame, such as the competition phase in the up duration section and/exempt from the competition phase in Beacon frame transmission cycle of radio access management module etc.

Here, can refer to that in the up duration section of Beacon frame in the transmission cycle this radio access management module begins to send the time interval of Beacon frame Zi beginning to send the Beacon frame to adjacent next radio access management module, and the down time section refer to the Beacon frame in the transmission cycle time except the up duration section be the down time section.And indication information can be directly to indicate the up duration section here, also can indirectly indicate the up duration section by Beacon frame transmission cycle and down time section.

Step 202 in the indicated up duration section of indication information, is carried out terminal according to radio access management module corresponding in the first wireless access point identification and WAP (wireless access point) and is entered net operation.

Terminal can be according to the indication information in the Beacon frame, and in the up duration section, in the WAP (wireless access point) corresponding with the first wireless access point identification, the radio access management module enters net operation, such as detection, authentication and operation associated etc.

As seen, in the method for the WAP (wireless access point) of the present embodiment and terminal communication, a physical radio access point can use corresponding wireless access point identification, sends different Beacon frames to the terminal order of coverage range of wireless access point.When terminal receives this Beacon frame, carry the first wireless access point identification of radio access management module in the Beacon frame, and be used to indicate the indication information of up duration section, terminal can in the up duration section, enter net operation according to the first wireless access point identification and WAP (wireless access point) in the Beacon frame.Such physical radio access point can be by the different terminal of a plurality of WAP (wireless access point) identification service, owing to comprising a TIM in a beacon frame, and only comprise a wireless access point identification in a beacon frame, so a wireless access point identification can be corresponding to the association identification space that is determined by the TIM figure place.For terminal, each access point identity just is equivalent to an access point of the prior art.Thereby, embodiments of the invention have enlarged a terminal quantity that the physical radio access point is supported, make the terminal quantity that a WAP (wireless access point) is supported to reach terminal quantity actual in its coverage, and need to be at a plurality of physical radio access points of same zone deployment, thereby reduced the waste of WAP (wireless access point) resource, improved the utilance of a WAP (wireless access point).

In a specific embodiment, terminal can also be carried the out of Memory that WAP (wireless access point) is distributed to this radio access management module in the Beacon frame that receives, such as the competition phase in the up duration section and/or exempt from the information such as competition phase, terminal is when carrying out above-mentioned steps 202, can or exempt to transmit with corresponding data transfer mode (such as competitive way or non-competing mode) in the competition phase in the competition phase, particularly, the channel that needs to vie each other between a plurality of terminals within the competition phase uses chance; And exempting from not need competition in the competition phase between terminal, be to coordinate the terminal of a plurality of services to the use of channel by WAP (wireless access point).

Need to prove, terminal carry out above-mentioned steps 202 enter net operation the time, can realize by following step, flow chart comprises as shown in Figure 6:

Step 203 is determined based on the first wireless access point identification up duration section of communicating by letter with WAP (wireless access point) according to indication information.

If indication information is the indication of directly carrying out, terminal can determine that the up duration section of communicating by letter with WAP (wireless access point) is the indicated time period of this indication information, if indication information is to send the cycle and down time is intersegmental taps into capable indication by the Beacon frame, can be deducted the down time section Beacon frame transmission cycle and be defined as the up duration section of communicating by letter with WAP (wireless access point).

Step 204 sends the networking request message according to the first wireless access point identification to WAP (wireless access point) in the up duration section of determining.

After WAP (wireless access point) receives the networking request message, can return to the networking response message to terminal, as described in concrete return method embodiment as corresponding in Fig. 4, do not give unnecessary details at this.

Step 205, receive the networking response message that WAP (wireless access point) is returned, do not carry other wireless access point identification if carry the first wireless access point identification in the networking response message, illustrate that WAP (wireless access point) acceptance use the first WAP (wireless access point) is designated this Terminal Service, terminal can communicate according to the first wireless access point identification and WAP (wireless access point); If carry the second wireless access point identification in the networking response message, illustrate that WAP (wireless access point) do not accept to use the first WAP (wireless access point) to be designated this Terminal Service, and provide and use the second WAP (wireless access point) to be designated this Terminal Service, terminal can execution in step 206.

Step 206, terminal enters net operation according to the second wireless access point identification and WAP (wireless access point), concrete enters net operation and aforesaid networking class of operation seemingly, does not give unnecessary details at this.

Particularly, if comprise the second wireless access point identification at the networking response message, and do not comprise the out of Memory relevant to the second wireless access point identification, terminal when entering net operation, can initiatively be intercepted the beacon frame that this WAP (wireless access point) uses the second wireless access point identification to send; If also comprise the out of Memory relevant to the second wireless access point identification in the networking response message, indication information such as the up duration section, terminal is when entering net operation, in the indicated up duration section of the indication information that carries, enter net operation with WAP (wireless access point) in the networking response message.

In the present embodiment, the first and second wireless access point identifications are all the wireless access point identifications that a physical radio access point and terminal communication are used.And above-mentioned networking request message can be related request, authentication request or probe requests thereby etc., and the response message that correspondingly networks correspondingly is associated response, authentication response or probe response etc.

in a specific embodiment, when WAP (wireless access point) does not accept to use the first WAP (wireless access point) to be designated this Terminal Service, after receiving the networking request message, can provide other wireless access point identification for this terminal, can return to by step described in above-mentioned Fig. 4 other the second wireless access point identification, can also carry out with terminal the measurement of communication power demand before returning to the networking response message, terminal is before carrying out above-mentioned steps 205, can also carry out the measurement of communication power demand according to the first wireless access point identification and WAP (wireless access point), so that WAP (wireless access point) is determined the second wireless access point identification in the networking response message according to the communication power demand of measuring.

The method of the described WAP (wireless access point) of the embodiment of the present invention and terminal communication is described with next specific embodiment, specifically be applied to support in the sensor network of TIM mechanism, terminal is sensor node, and the access point of WAP (wireless access point) level sensor node, wherein:

the covering radius of WAP (wireless access point) is 1 kilometer, the terminal of disposing in this scope many (about more than 6000), and a physical radio access point at most only can be supported 2007 terminals in its overlay area, in order not dispose the efficient of other physical radio access point and raising WAP (wireless access point), and support in its coverage the terminal more than 6000 of disposing, in the embodiment of the present invention, WAP (wireless access point) fictionalizes a plurality of radio access management modules, and be each radio access management module assignment resource, comprise the wireless access point identification that each radio access management module is corresponding, the Beacon frame sends the cycle, send the power of Beacon frame, the Beacon frame sends available and/or down time section in the cycle, or in competition phase of up duration section and/or exempt to compete phase information.

Can communicate as follows between radio access management module and terminal, flow chart comprises as shown in Figure 7:

Step 301, a plurality of radio access management modules send different Beacon frames with different wireless access point identifications in a certain order, carry the wireless access point identification of this radio access management module of unique identification in the Beacon frame, and be used to indicate the indication information of up duration section, can also comprise other parameter informations.

Be appreciated that a plurality of radio access management modules can use identical power to send the Beacon frame, also can use different power to send the Beacon frame.

Step 302, terminal in the indicated up duration section of indication information therein, transmit into the net request message according to the wireless access point identification that carries in the Beacon frame after receiving the Beacon frame that a radio access management module 1 sends.

Step 303, if radio access management module 1 is accepted as this Terminal Service, return to the networking response message, carry the wireless access point identification of this radio access management module 1 in the networking response message, after terminal receives this networking response message, communicate with radio access management module 1.

Step 304 if radio access management module 1 is not accepted as this Terminal Service, is returned to the networking response message, carries the wireless access point identification of other radio access management module 2 in the networking response message.

Step 305 after terminal receives networking response message in step 304, enters net operation with radio access management module 2.

As seen, in the present embodiment, owing to can comprising a plurality of radio access management modules in a physical radio access point, can expand the terminal quantity of supporting in a wireless wireless access coverage; And in the present embodiment, the radio access management module can be served for different terminals, can reduce and cause the congested chance of eating dishes without rice or wine when in the prior art, great amount of terminals networks by a WAP (wireless access point) simultaneously; And the radio access management module can power demand be Terminal Service according to terminal called the time, can improve the efficient of transfer of data, reduces the energy consumption of WAP (wireless access point).

With reference to shown in Figure 8, the embodiment of the present invention also provides a kind of WAP (wireless access point), can comprise: beacon transmitting element 10, and can also comprise information distribution unit 11, storage element 12, message sink unit 13, message processing unit 14, the first sign determining unit 15, power detecting unit 16 and the second sign determining unit 17, wherein:

Beacon transmitting element 10 is used for using a plurality of wireless access point identifications sequentially to send different beacon frames respectively; Carry a corresponding wireless access point identification in described beacon frame, and be used to indicate the indication information of up duration section; So that terminal is in the indicated up duration section of described indication information, enter net operation according to wireless access point identification and the described WAP (wireless access point) of described correspondence.

Wherein beacon transmitting element 10 specifically can periodically send a plurality of beacon frames, and within each cycle, the wireless access point identification that comprises in each described beacon frame is different.And beacon transmitting element 10 can use different power to send the beacon frame that comprises the different radio access point identity; And also carry the competition phase in the up duration section in the beacon frame that beacon transmitting element 10 sends and/or exempt to compete phase information, so that described terminal is in the competition phase or exempt from the competition phase with the described competition phase or exempt from corresponding communication mode of competition phase and described WAP (wireless access point) communicates.

Before beacon transmitting element 10 sends beacon frame:

Information distribution unit 11 is used to described beacon frame to distribute corresponding wireless access point identification, uses each wireless access point identification to send the required parameter information of beacon frame with described beacon transmitting element 10; The required parameter information of described transmission beacon frame comprises: beacon frame sends the cycle, and up duration section and/or down time section within the beacon frame transmission cycle;

Storage element 12 is used for storing the wireless access point identification of described information distribution unit 11 distribution and the corresponding relation of the parameter informations that send beacon frame.

In WAP (wireless access point) and terminal enter the process of net operation:

Message sink unit 13 is used for the networking request message that receiving terminal sends;

The first sign determining unit 15 is used for according to the terminal quantity of each the wireless access point identification institute corresponding with service of described use and other wireless access point identification that the first presetting rule is determined described networking response message.

Power detecting unit 16, power demand information when being used for obtaining the terminal called that networks with described request.

The second sign determining unit 17 is used for other wireless access point identification that the power demand information obtained according to described power detecting unit 16 and the second presetting rule are determined described networking response message.

Message processing unit 14 is used for using wireless access point identification corresponding to described networking request message and the terminal of asking networking to enter net operation after described message sink unit 13 receives described networking request message; Or use wireless access point identification corresponding to described networking request message, return to the networking response message to the terminal that request networks, carry other wireless access point identification that the first sign determining unit 15 or the second sign determining unit 16 are determined in described networking response message, so that the terminal that described request networks enters net operation according to described other wireless access point identification and described WAP (wireless access point).

And can also carry the out of Memory relevant to other wireless access point identification in the networking response message, such as indication information of up duration section etc.

With reference to shown in Figure 9, a kind of WAP (wireless access point) in the embodiment of a specific implementation, comprise the identical radio access management module 200 of a plurality of (at least two) function, each radio access management module 200 comprises a beacon transmitting element 21, wherein:

Beacon transmitting element 21 in described a plurality of radio access management module 200 is used for using different wireless access point identifications sequentially to send different beacon frames respectively; Carry a corresponding wireless access point identification in described beacon frame, and be used to indicate the indication information of up duration section;

So that terminal enters net operation according to described corresponding wireless access point identification and described WAP (wireless access point) in the indicated up duration section of described indication information.

Here, the up duration section that the Beacon frame sent in the cycle can refer to that a radio access management module 200 begins to send the time interval of Beacon frame Zi beginning to send the Beacon frame to adjacent next radio access management module 200, and the down time section refer to the Beacon frame in the transmission cycle time except the up duration section be the down time section.And indication information can be directly to indicate the up duration section, also can indirectly indicate the up duration section, such as sending the cycle by beacon frame and the down time section is indicated.

Beacon transmitting element 21 in a plurality of like this radio access management modules 200 can send different Beacon frames to terminals different in described coverage range of wireless access point, and the wireless access point identification that described a plurality of radio access management module 200 is used is different, and the time point of described a plurality of radio access management module 200 transmission Beacon frames is different; And the beacon transmitting element 21 of each radio access management module 200 can send with identical or different power the Beacon frame.

as seen, in the WAP (wireless access point) of the present embodiment, can comprise a plurality of radio access management modules 200, beacon transmitting element 21 in a plurality of radio access management modules 200 uses respectively different wireless access point identifications, terminal order to coverage range of wireless access point sends different Beacon frames, and carry a corresponding wireless access point identification in the Beacon frame, and be used to indicate the indication information of up duration section, so that terminal is in the indicated up duration section of indication information, enter net operation according to wireless access point identification and the described WAP (wireless access point) of correspondence.Such physical radio access point can communicating by letter by a plurality of radio access management modules 200 and terminal, owing to comprising a TIM in a beacon frame, and only comprise a wireless access point identification in a beacon frame, so a wireless access point identification can be corresponding to the association identification space that is determined by the TIM figure place.For terminal, each access point identity just is equivalent to an access point of the prior art.Thereby, embodiments of the invention have enlarged a terminal quantity that the physical radio access point is supported, make the terminal quantity that a WAP (wireless access point) is supported to reach terminal quantity actual in its coverage, and need to be at a plurality of physical radio access points of same zone deployment, thereby reduced the waste of WAP (wireless access point) resource, improved the utilance of a WAP (wireless access point).

With reference to shown in Figure 10, in a specific embodiment, WAP (wireless access point) is except comprising structure as shown in Figure 9, also comprise information distribution unit 22 and storage element 23, and each radio access management module 200 can also comprise: message sink unit 24, the first sign determining unit 25, power detecting unit 126, the second sign determining unit 27 and message processing unit 28, wherein:

Information distribution unit 22 is used to described a plurality of radio access management module 200 to distribute respectively different wireless access point identifications, uses the wireless access point identification to send the parameter information of beacon frame with described each beacon transmitting element 21; The parameter information of described transmission beacon frame comprises at least: beacon frame sends the cycle, and the up duration section within the beacon frame transmission cycle and/or down time section etc.

Information distribution unit 22 is when carrying out information distribution, and can distribute respectively different signs at least two radio access management modules 200 is the wireless access point identification, and each radio access management module 200 just can be used different signs and terminal communication like this; Information distribution unit 22 can also distribute at least two radio access management modules 200 to use identical or different power to send the Beacon frame.

Storage element 23 is used for storing the wireless access point identification of described information distribution unit 22 distribution and the corresponding relation of the parameter informations that send beacon frame.

Message sink unit 24 is used for the networking request message that receiving terminal sends.

The first sign determining unit 25 is used for other wireless access point identification that the terminal quantity of serving according to described each radio access management module 200 and the first presetting rule are determined described networking response message; Here the first presetting rule can be must not surpass a preset value etc. at the terminal quantity (being load) that the corresponding radio access management module 200 of other wireless access point identification is served, and makes the load of each radio access management module 200 be controlled in certain scope.

Power detecting unit 26, power demand information when being used for obtaining the terminal called that networks with described request.

The second sign determining unit 27, be used for other wireless access point identification that the power demand information obtained according to described power detecting unit 26 and the second presetting rule are determined described networking response message, here the second presetting rule can be that the corresponding radio access management module of other wireless access point identification transmitted power of sending beacon frame is the most approaching with the power demand of this power demand corresponding Beacon of being frame power and detection and be not less than power demand etc., improve data transmission efficiency, and saved the electric weight that between WAP (wireless access point) and terminal, signal post uses.

Message processing unit 28 is used for using wireless access point identification corresponding to described networking request message and the terminal of asking networking to enter net operation after described message sink unit 24 receives described networking request message; Or use wireless access point identification corresponding to described networking request message, return to the networking response message to the terminal that request networks, carry other wireless access point identification that the first sign determining unit 25 or the second sign determining unit 26 are determined in described networking response message, so that the terminal that described request networks enters net operation according to described other wireless access point identification and described WAP (wireless access point).And message processing unit 28 can also carry the out of Memory relevant to other wireless access point identification in the networking response message that sends, such as the up duration section, terminal just can directly enter net operation in this up duration section like this.

In the present embodiment, also carry the competition phase in described up duration section and/or exempt to compete phase information in the beacon frame that beacon transmitting element 21 in each radio access management module 200 sends, so that described terminal is in the competition phase or exempt from the competition phase with the competition phase or exempt from corresponding communication mode of competition phase and WAP (wireless access point) communicates.

After beacon transmitting element 21 sent beacon frames, the terminal that receives this beacon frame networked according to the wireless access point identification in the beacon frame that receives and WAP (wireless access point) in operating process:

After the message sink unit 24 in certain radio access management module 200 received the networking request message that terminal sends, message processing unit 28 can enter net operation with the terminal that request networks; Or after first determining other wireless access point identification by the first sign determining unit 25, by message processing unit 28, other wireless access point identification is carried at the terminal that the request of returning in the networking response message networks; Or when first having obtained by power detecting unit 26 terminal called that networks with described request after power demand information, after determining other wireless access point identification by the second sign determining unit 27, by message processing unit 28, other wireless access point identification is carried at the terminal that the request of returning in the networking response message networks.

need to prove, can be connected with a plurality of sending and receiving entities on a physical radio access point, each sending and receiving entity respectively with a radio access management module 200 of WAP (wireless access point) in beacon transmitting element 21, connection is connected in message sink unit 24 with message processing unit, be used for communicating by letter between each radio access management module 200 of transmission and terminal, such as: the beacon transmitting element 21 in radio access management module 200 is connected with message processing unit and respectively beacon frame is connected the corresponding sending and receiving entity that connects with the networking response message, and by the sending and receiving entity transmission to terminal, the networking request message transmission that same sending and receiving entity can send terminal connects to correspondence message sink unit 24.Wherein can communicate by Ethernet, optical fiber or wireless communication mode between the entity of sending and receiving and WAP (wireless access point).

In the embodiment of other specific implementation, in the embodiment of the present invention, WAP (wireless access point) is except can for the structure as shown in any figure of Fig. 8 to 10, can also be other cellular constructions of dividing according to the method for WAP (wireless access point) and terminal communication.

The embodiment of the present invention also provides a kind of terminal, and structural representation comprises as shown in figure 11:

Beacon receiving element 30 is used for receiving the beacon frame that WAP (wireless access point) sends, and carries the first wireless access point identification in described beacon frame, and is used to indicate the indication information of up duration section;

The first networking operating unit 31 is used in the indicated up duration section of described indication information, and in the beacon frame that receives according to described beacon receiving element 30, the first wireless access point identification and described WAP (wireless access point) enter net operation.

The first networking operating unit 31 can in the indicated up duration section of Beacon frame indicating information, enter net operation according to the first wireless access point identification and WAP (wireless access point).

Carry the competition phase in described up duration section and/or exempt to compete phase information if be appreciated that in the Beacon frame that beacon receiving element 30 receives; The first networking operating unit 31 can also or exempt from the competition phase to communicate with corresponding communication mode with WAP (wireless access point) in the competition phase.Particularly, the channel that needs to vie each other between a plurality of terminals within the competition phase uses chance; And exempting from not need competition in the competition phase between terminal, coordinate the terminal of a plurality of services to the use of channel by WAP (wireless access point).

As seen, if a physical radio access point uses respectively different wireless access point identifications, to the different Beacon frame of terminal order transmission of coverage range of wireless access point.Beacon receiving element 30 receives this Beacon frame in the terminal of the present embodiment, carry a corresponding wireless access point identification in the Beacon frame, and be used to indicate the indication information of up duration section, in the indicated up duration section of the indication information of the first networking operating unit 31 in the Beacon frame, enter net operation with WAP (wireless access point).Such physical radio access point can be by using communicating by letter of a plurality of wireless access point identifications and terminal, owing to comprising a TIM in a beacon frame, and only comprise a wireless access point identification in a beacon frame, so a wireless access point identification can be corresponding to the association identification space that is determined by the TIM figure place.For terminal, each access point identity just is equivalent to an access point of the prior art.Thereby, embodiments of the invention have enlarged a terminal quantity that the physical radio access point is supported, make the terminal quantity that a WAP (wireless access point) is supported to reach terminal quantity actual in its coverage, and need to be at a plurality of physical radio access points of same zone deployment, thereby reduced the waste of WAP (wireless access point) resource, improved the utilance of a WAP (wireless access point).

With reference to shown in Figure 12, in a specific embodiment, terminal is except comprising structure as shown in figure 11, can also comprise: the second networking operating unit 32, and the first networking operating unit 31 wherein can specifically comprise time period determining unit 310, networking request message transmitting element 311, networking response message receiving element 313 and power measurement unit 314, wherein:

Time period determining unit 310, the indication information that is used for the beacon frame that receives according to described beacon receiving element 30 are determined based on described the first wireless access point identification up duration section of communicating by letter with WAP (wireless access point);

Networking request message transmitting element 311 is used for sending the networking request message according to described the first wireless access point identification to WAP (wireless access point) in the up duration section that described time period determining unit 310 is determined.

Networking response message receiving element 313 is used for receiving the networking response message that described WAP (wireless access point) is returned.

Power measurement unit 314 is used for carrying out the measurement of communication power demand with described WAP (wireless access point), so that described WAP (wireless access point) is determined the second wireless access point identification in described networking response message according to described communication power demand;

The second networking operating unit 32 carries the second wireless access point identification if be used for the networking response message of described networking response message receiving element 313 receptions, enters net operation according to described the second wireless access point identification and described WAP (wireless access point).

in the terminal of the present embodiment, can receive the beacon frame that WAP (wireless access point) sends by beacon receiving element 31 before not networking, time period determining unit 310 in the first networking operating unit 30 after received beacon frame will be determined the up duration section according to indication information wherein, and networking request message transmitting element 311 can be in the up duration section of determining, transmit into the net request message according to the first wireless access point identification in beacon frame, when networking response message receiving element 313 receives the networking response message that WAP (wireless access point) is returned, if carry the second wireless access point identification in the networking response message, the second networking operating unit 32 enters net operation according to the second wireless access point identification and WAP (wireless access point).

Wherein before networking response message receiving element 313 receives the networking response message, power measurement unit 314 in the first networking operating unit can also be carried out with WAP (wireless access point) the measurement of communication power demand, so that WAP (wireless access point) is determined the second wireless access point identification.

In another specific embodiment, terminal is except comprising structure as shown in figure 11, the first networking operating unit 31 wherein can specifically comprise time period determining unit 310, networking request message transmitting element 311 and networking response message receiving element 313, after if networking response message receiving element 313 receives the networking response message, wherein carry the first wireless access point identification, and not comprising other wireless access point identifications, the response message receiving element 313 that networks can also communicate according to the first wireless access point identification and WAP (wireless access point).

The embodiment of the present invention also provides the system of a kind of WAP (wireless access point) and terminal communication, and structural representation can comprise the terminal in WAP (wireless access point) and this coverage range of wireless access point as shown in Figure 1, wherein:

WAP (wireless access point) is used for using different wireless access point identifications sequentially to send different beacon frames respectively; Carry a corresponding wireless access point identification in described beacon frame, and be used to indicate the indication information of up duration section;

Terminal is used for receiving the beacon frame that WAP (wireless access point) sends, and carries corresponding wireless access point identification in described beacon frame, and is used to indicate the indication information of up duration section; In the indicated up duration section of described indication information, enter net operation according to wireless access point identification and the described WAP (wireless access point) of described correspondence.

And the structure of WAP (wireless access point) can figure as shown in 8 to 10 arbitrary figure, and the structure of terminal can as shown in Figure 11 or 12, not given unnecessary details at this.And the WAP (wireless access point) in the present embodiment can comprise a plurality of radio access management modules 200 as shown in Fig. 9 or 10, comprises that namely above-mentioned a plurality of beacon transmitting elements 21, information distribution unit 22 is to unit such as message processing units 28; And WAP (wireless access point) can also be not comprising a plurality of radio access management modules 200, and include only structure as shown in Figure 8, do not give unnecessary details at this.

One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the relevant hardware of instruction complete by program, this program can be stored in a computer-readable recording medium, and storage medium can comprise: read-only memory (ROM), random access memory (RAM), disk or CD etc.

The above WAP (wireless access point) that the embodiment of the present invention is provided and method, system and the relevant device of terminal communication are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims

1. the method for a WAP (wireless access point) and terminal communication, is characterized in that, comprising:

2. the method for claim 1, is characterized in that, describedly uses respectively a plurality of wireless access point identifications sequentially to send different beacon frames to be specially:

Periodically send a plurality of beacon frames, within each cycle, the wireless access point identification that comprises in each described beacon frame is different.

3. method as claimed in claim 1 or 2, is characterized in that, the described different beacon frame of a plurality of wireless access point identifications transmissions that uses respectively also comprises before:

For described beacon frame distributes corresponding wireless access point identification, and send the required parameter information of described beacon frame, and store the wireless access point identification of described distribution and the corresponding relation of the parameter information that sends beacon frame;

The required parameter information of the described beacon frame of described transmission comprises: beacon frame sends the cycle, and up duration section and/or down time section within the beacon frame transmission cycle.

4. method as claimed in claim 1 or 2, is characterized in that, described method also comprises:

The networking request message that receiving terminal sends uses wireless access point identification corresponding to described networking request message and the terminal that request networks to enter net operation, or,

The networking request message that receiving terminal sends, use wireless access point identification corresponding to described networking request message, return to the networking response message to the terminal that request networks, carry other wireless access point identification in described networking response message, so that the terminal that described request networks enters net operation according to described other wireless access point identification and described WAP (wireless access point).

5. method as claimed in claim 4, is characterized in that, the described terminal that networks to request also comprises before returning to the networking response message:

Determine other wireless access point identification in described networking response message according to the terminal quantity of each the wireless access point identification institute corresponding with service of described use and the first presetting rule.

6. method as claimed in claim 4, is characterized in that, the described terminal that networks to request also comprises before returning to the networking response message:

Power demand information when obtaining the terminal called that networks with described request;

Determine other wireless access point identification in described networking response message according to described power demand information and the second presetting rule.

7. method as described in claim 5 or 6, is characterized in that, described the first presetting rule comprises:

The wireless access point identification that the terminal quantity of corresponding with service is no more than preset value is defined as described other wireless access point identification;

Or described the second presetting rule comprises: will send the power of beacon frame when corresponding with described power demand, and send the wireless access point identification that beacon frame uses and be defined as other wireless access point identification.

8. method as described in claim 1 to 7 any one, is characterized in that, the described different beacon frame of a plurality of wireless access point identifications transmission that uses respectively specifically comprises:

Use different power to send the beacon frame that comprises the different radio access point identity.

9. method as described in claim 1 to 7 any one, it is characterized in that, also carry the competition phase in the up duration section in described beacon frame and/or exempt to compete phase information, so that described terminal is in the competition phase or exempt from the competition phase with the described competition phase or exempt from corresponding communication mode of competition phase and described WAP (wireless access point) communicates.

10. the method for a WAP (wireless access point) and terminal communication, is characterized in that, comprising:

11. method as claimed in claim 10 is characterized in that, describedly carries out terminal according to described the first wireless access point identification and described WAP (wireless access point) and enters net operation, specifically comprises:

Up duration section of based on described first wireless access point identification with described WAP (wireless access point) communicating by letter definite according to described indication information;

Send the networking request message according to described the first wireless access point identification to WAP (wireless access point) in described definite up duration section;

Receive the networking response message that described WAP (wireless access point) is returned, if carry described the first wireless access point identification in described networking response message, communicate according to described the first wireless access point identification and WAP (wireless access point).

12. method as claimed in claim 10 is characterized in that, describedly carries out terminal according to described the first wireless access point identification and described WAP (wireless access point) and enters net operation, specifically comprises:

Receive the networking response message that described WAP (wireless access point) is returned, if carry the second wireless access point identification in described networking response message, enter net operation according to described the second wireless access point identification and described WAP (wireless access point).

13. method as described in claim 11 or 12, it is characterized in that, before the networking response message that the described WAP (wireless access point) of described reception is returned, also comprise: carry out the measurement of communication power demand with described WAP (wireless access point), so that described WAP (wireless access point) is determined the second wireless access point identification in described networking response message according to described communication power demand.

14. a WAP (wireless access point) is characterized in that, comprising: the beacon transmitting element is used for using a plurality of wireless access point identifications sequentially to send different beacon frames respectively; Carry a corresponding wireless access point identification in described beacon frame, and be used to indicate the indication information of up duration section;

15. WAP (wireless access point) as claimed in claim 14 is characterized in that, described beacon transmitting element, and concrete being used for periodically sends a plurality of beacon frames, and within each cycle, the wireless access point identification that comprises in each described beacon frame is different.

16. WAP (wireless access point) as described in claims 14 or 15 is characterized in that, described WAP (wireless access point) also comprises:

The information distribution unit is used to described beacon frame to distribute corresponding wireless access point identification, sends the required parameter information of beacon frame with described beacon transmitting element; The required parameter information of described transmission beacon frame comprises: beacon frame sends the cycle, and up duration section and/or down time section within the beacon frame transmission cycle;

Storage element is used for storing the wireless access point identification of described information distribution unit distribution and the corresponding relation of the parameter information that sends beacon frame.

17. WAP (wireless access point) as described in claims 14 or 15 is characterized in that, described WAP (wireless access point) also comprises:

The message sink unit is used for the networking request message that receiving terminal sends;

Message processing unit is used for using wireless access point identification corresponding to described networking request message and the terminal of asking networking to enter net operation after described message sink unit receives described networking request message; Or use wireless access point identification corresponding to described networking request message, return to the networking response message to the terminal that request networks, carry other wireless access point identification in described networking response message, so that the terminal that described request networks enters net operation according to described other wireless access point identification and described WAP (wireless access point).

18. WAP (wireless access point) as claimed in claim 17 is characterized in that, described WAP (wireless access point) also comprises:

The first sign determining unit is used for according to the terminal quantity of each the wireless access point identification institute corresponding with service of described use and other wireless access point identification that the first presetting rule is determined described networking response message.

19. WAP (wireless access point) as claimed in claim 17 is characterized in that, described WAP (wireless access point) also comprises:

Power detecting unit, power demand information when being used for obtaining the terminal called that networks with described request;

The second sign determining unit is used for other wireless access point identification that the power demand information obtained according to described power detecting unit and the second presetting rule are determined described networking response message.

20. WAP (wireless access point) as described in claim 14 to 19 any one is characterized in that, described beacon transmitting element is concrete for using different power to send the beacon frame that comprises the different radio access point identity.

21. WAP (wireless access point) as described in claim 14 to 19 any one, it is characterized in that, also carry the competition phase in the up duration section in the beacon frame that described beacon transmitting element sends and/or exempt to compete phase information, so that described terminal is in the competition phase or exempt from the competition phase with the described competition phase or exempt from corresponding communication mode of competition phase and described WAP (wireless access point) communicates.

22. a terminal is characterized in that, comprising:

23. terminal as claimed in claim 22 is characterized in that, described the first networking operating unit specifically comprises:

The time period determining unit is used for the definite up duration section of communicating by letter with described WAP (wireless access point) based on described the first wireless access point identification of indication information according to the beacon frame of described beacon receiving element reception;

Networking request message transmitting element is used for sending the networking request message according to described the first wireless access point identification to WAP (wireless access point) in the up duration section that described time period determining unit is determined;

Networking response message receiving element is used for receiving the networking response message that described WAP (wireless access point) is returned, and carries described the first wireless access point identification in described networking response message, communicates according to described the first wireless access point identification and WAP (wireless access point).

24. terminal as claimed in claim 22 is characterized in that, described the first networking operating unit specifically comprises:

Networking response message receiving element is used for receiving the networking response message that described WAP (wireless access point) is returned;

The second networking operating unit carries the second wireless access point identification if be used for the networking response message of described networking response message receiving element reception, enters net operation according to described the second wireless access point identification and described WAP (wireless access point).

25. terminal as described in claim 23 or 24 is characterized in that, described the first networking operating unit also comprises:

Power measurement unit is used for carrying out the measurement of communication power demand with described WAP (wireless access point), so that described WAP (wireless access point) is determined the second wireless access point identification in described networking response message according to described communication power demand.

26. the system of a WAP (wireless access point) and terminal communication is characterized in that, comprises the terminal in WAP (wireless access point) and described coverage range of wireless access point, wherein:

27. system as claimed in claim 26 is characterized in that, described WAP (wireless access point) is WAP (wireless access point) as described in claim 14 to 21 any one, and described terminal is terminal as described in claim 22 to 25 any one.