CN103428815B

CN103428815B - The cut-in method of WLAN (wireless local area network), Apparatus and system

Info

Publication number: CN103428815B
Application number: CN201210153985.2A
Authority: CN
Inventors: 姜艳平; 甄斌; 赵牧
Original assignee: Huawei Technologies Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2012-05-17
Filing date: 2012-05-17
Publication date: 2016-03-30
Anticipated expiration: 2032-05-17
Also published as: CN103428815A

Abstract

The embodiment of the invention discloses a kind of cut-in method of WLAN (wireless local area network), Apparatus and system, relate to communication technical field, solve when carrying out work in high power consumption terminal and low-power consumption terminal simultaneously accessing WLAN, cause the problem that power consumption increases.Method comprises: access point obtains the terminal type of terminal in WLAN (wireless local area network); According to the first parameter of terminal type determination terminal; Broadcast described first parameter, to make terminal generate the second parameter, and according to the comparative result of the second parameter and the first parameter, judge that can terminal the channel of contention access WLAN (wireless local area network); Or the request message that access point receiving terminal sends, the second parameter is generated according to request message, and according to the comparative result of the second parameter and the first parameter, judge that can terminal the channel of contention access WLAN (wireless local area network), the feedback message corresponding with request message is sent to terminal, can the channel of contention access WLAN (wireless local area network) with indicating terminal.The present invention is applicable to WLAN (wireless local area network).

Description

The cut-in method of WLAN (wireless local area network), Apparatus and system

Technical field

The present invention relates to communication technical field, particularly relate to a kind of cut-in method of WLAN (wireless local area network), Apparatus and system.

Background technology

WLAN (wireless local area network) (WirelessLocalAreaNetwork is called for short WLAN) is one data transmission system easily, and it utilizes radio frequency (RadioFrequency is called for short RF) technology, instead of the LAN that copper twisted pairs is formed.WLAN technology has now been widely used in the places such as family, campus, hotel and enterprise's office.WLAN technology can provide the access service of high-rate wireless wideband data (to be such as applied to cellular network data service distributing, when user arrives the region having WLAN to cover, wlan network can be applied and carry out data service), the power consumption of high-rate wireless wideband data access service is relatively high, therefore corresponding broadband wireless data access terminal (such as smart mobile phone, notebook computer etc.) belong to high power consumption terminal.In addition, WLAN technology can also provide the sensor application service of low rate, such as intelligent meter data recording, medical facilities, environmental monitoring and household automation etc., the power consumption of the sensor application service of low rate is relatively low, and therefore corresponding sensor terminal (such as in the terminal that medical facilities and environmental monitoring etc. are applied to) belongs to low-power consumption terminal.Under current technology, described low-power consumption terminal and described high power consumption terminal can be linked in described wlan network simultaneously carry out work.

In the process realizing the embodiment of the present invention, inventor finds that in prior art, at least there are the following problems:

Described high power consumption terminal and described low-power consumption terminal access in described wlan network simultaneously carry out work time, because the transmitting power of low-power consumption terminal is lower, be concealed nodes relative to described high power consumption terminal, described low-power consumption terminal challenge is low to the likelihood ratio high power consumption terminal of channel, cause the packet impact several times of described low-power consumption terminal and low-power consumption terminal can intercept described channel repeatedly, thus add power consumption.

Summary of the invention

Embodiments of the invention provide a kind of cut-in method, Apparatus and system of WLAN (wireless local area network), when carrying out work in accessing WLAN high power consumption terminal and low-power consumption terminal while, can cause the problem that power consumption increases.

The present invention adopts following technical scheme:

A cut-in method for WLAN (wireless local area network), comprising:

Access point obtains the terminal type of terminal in WLAN (wireless local area network);

Described access point determines the first parameter of described terminal according to described terminal type;

Described first parameter of described access point broadcast, described first parameter is provided for and generates the second parameter after described terminal receives described first parameter and according to the comparative result of described second parameter and described first parameter, judges that can described terminal the channel of WLAN (wireless local area network) described in contention access; Or described access point receives the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, the feedback message corresponding with described request message is sent, to indicate described terminal can the channel of WLAN (wireless local area network) described in contention access to described terminal.

A cut-in method for WLAN (wireless local area network), comprising:

The terminal type of self is sent to access point by terminal, determines the first parameter of described terminal to make described access point according to described terminal type;

Terminal receives described first parameter of described access point broadcast, generates the second parameter, and according to the comparative result of described second parameter and described first parameter, and can judge self the channel of WLAN (wireless local area network) described in contention access; Or described terminal sends a request message to described access point, to make described access point according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, receive the feedback message corresponding with described request message that described access point sends, can described feedback message is used to indicate described terminal the channel of WLAN (wireless local area network) described in contention access.

An access point for WLAN (wireless local area network), comprising:

First acquiring unit, for obtaining the terminal type of terminal in WLAN (wireless local area network);

First dispensing unit, for determining the first parameter of described terminal according to described terminal type;

First radio unit, for broadcasting described first parameter;

First Transmit-Receive Unit, for receiving the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, the feedback message corresponding with described request message is sent, to indicate described terminal can the channel of WLAN (wireless local area network) described in contention access to described terminal.

A kind of terminal, comprising:

Information reporting unit, for the terminal type of self is sent to access point, determines the first parameter of described terminal to make described access point according to described terminal type;

Receiving judging unit, for receiving described first parameter of described access point broadcast, generating the second parameter, and according to the comparative result of described second parameter and described first parameter, can judge self the channel of WLAN (wireless local area network) described in contention access;

Second Transmit-Receive Unit, for sending a request message to described access point, to make described access point according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, receive the feedback message corresponding with described request message that described access point sends, can described feedback message is used to indicate described terminal the channel of WLAN (wireless local area network) described in contention access.

A connecting system for WLAN (wireless local area network), comprises an access point and multiple terminal, wherein,

Described access point, for obtaining the terminal type of terminal in WLAN (wireless local area network), the first parameter of described terminal is determined according to described terminal type, and broadcast described first parameter, or receive the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, the feedback message corresponding with described request message is sent to described terminal, to indicate described terminal can the channel of WLAN (wireless local area network) described in contention access,

Described terminal, for the terminal type of self is sent to described access point, and receive described first parameter of described access point broadcast, generate the second parameter, and according to the comparative result of described second parameter and described first parameter, can judge self the channel of WLAN (wireless local area network) described in contention access, or send a request message to described access point, and receive the feedback message corresponding with described request message that described access point sends, can described feedback message is used to indicate described terminal the channel of WLAN (wireless local area network) described in contention access.

The cut-in method of the WLAN (wireless local area network) that the embodiment of the present invention provides, Apparatus and system.Because access point is by obtaining the terminal type of terminal, and the first parameter of described terminal is determined according to described terminal type, and broadcast described first parameter, the second parameter is generated to make described terminal, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access; Or receive the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.By comparing of described second parameter and described first parameter, make the probability of the channel of WLAN (wireless local area network) described in different terminals type contention access different, thus reduce the probability of a large amount of high power consumption terminal and a large amount of low-power consumption terminal channel of WLAN (wireless local area network) described in contention access simultaneously, and then reduce power consumption.

Accompanying drawing explanation

The cut-in method flow chart one of the WLAN (wireless local area network) that Fig. 1 provides for the embodiment of the present invention;

The cut-in method flowchart 2 of the WLAN (wireless local area network) that Fig. 2 provides for the embodiment of the present invention;

The cut-in method flow chart of the WLAN (wireless local area network) that Fig. 3 provides for further embodiment of this invention;

The cut-in method flow chart of the WLAN (wireless local area network) that Fig. 4 provides for another embodiment of the present invention;

The structural representation of the device of the control data transmission that Fig. 5 a provides for the embodiment of the present invention;

The structural representation one of the access point of the WLAN (wireless local area network) that Fig. 5 b provides for the embodiment of the present invention;

The structural representation two of the access point of the WLAN (wireless local area network) that Fig. 6 provides for the embodiment of the present invention;

The structural representation one of the terminal that Fig. 7 provides for the embodiment of the present invention;

The structural representation two of the terminal that Fig. 8 provides for the embodiment of the present invention;

The structural representation of the connecting system of the WLAN (wireless local area network) that Fig. 9 provides for the embodiment of the present invention.

Embodiment

For making the advantage of technical solution of the present invention clearly, below in conjunction with drawings and Examples, the present invention is elaborated.

As shown in Figure 1, the cut-in method of the WLAN (wireless local area network) that the embodiment of the present invention provides, comprises in the flow process of access point (AccessPoint is called for short AP) one end process:

Step 101, access point obtain the terminal type of terminal in WLAN (wireless local area network).

Wherein, described terminal type can be that broadband wireless data accesses terminal (such as smart mobile phone, notebook computer etc. can with the high power consumption terminal of WiMAX online) or sensor terminal (the low-power consumption terminal such as such as environmental monitoring terminal, medical monitoring terminal), but is not only confined to this.In order to further divide described terminal type, described terminal type can also be divided into such as: high power consumption voice terminal, high power consumption video terminal, high power consumption data terminal, low-power consumption voice terminal, low-power-consumption video terminal and low power consumption data terminal etc., but is not only confined to this.

Step 102, described access point determine the first parameter of described terminal according to described terminal type.Perform step 103 or step 104.

Concrete, because the terminal type of described multiple terminal can have multiple, therefore described first parameter divides according to described terminal type, and namely same terminal type can have the first identical parameter, but is not only confined to this.

Described first parameter of step 103, described access point broadcast, generate the second parameter after receiving described first parameter to make described terminal and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.

Concrete, described second parameter can be a random number, and described first parameter can be a random factor, the strategy pre-set by, can judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.Such as: described random number is set and produces in digital 1-100, suppose that described random factor is 90, the strategy pre-set described can be if that described random number is less than or equal to described random factor, then described terminal has the authority of the channel of WLAN (wireless local area network) described in contention access, otherwise the authority of the channel of the described WLAN (wireless local area network) of uncontested access, the probability that described like this terminal has the authority of the channel of WLAN (wireless local area network) described in contention access will have 90%, if and described random factor is 10, the probability that then described terminal has an authority of the channel of WLAN (wireless local area network) described in contention access only has 10%, visible by described first parameter of configuration, described terminal challenge is made to access the probability of the channel of described WLAN (wireless local area network) controlled.

Step 104, described access point receive the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, the feedback message corresponding with described request message is sent, to indicate described terminal can the channel of WLAN (wireless local area network) described in contention access to described terminal.

Concrete, described request message is used to indicate the channel of WLAN (wireless local area network) described in terminal request contention access described in access point.The comparison procedure of described second parameter and described first parameter can see the specific descriptions in step 103 in Fig. 1, repeat no more herein, what deserves to be explained is, comparison procedure in described step 103 is performed by described terminal, and the comparison procedure in described step 104 is performed by described access point.

What deserves to be explained is, the executive agent of each step in Fig. 1 is a kind of access point, can be a kind of wireless router, but not only be confined to this.

As shown in Figure 2, be that executive agent is described with terminal, the cut-in method of the WLAN (wireless local area network) that the embodiment of the present invention provides, the handling process of terminal (Station is called for short STA) comprising:

The terminal type of self is sent to access point by step 201, terminal, determines the first parameter of described terminal to make described access point according to described terminal type.Perform step 202 or step 203.

Step 202, described terminal receive described first parameter of described access point broadcast, generate the second parameter, and according to the comparative result of described second parameter and described first parameter, and can judge self the channel of WLAN (wireless local area network) described in contention access.

Step 203, described terminal send a request message to described access point, to make described access point according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, receive the feedback message corresponding with described request message that described access point sends.

Wherein, described feedback message be used to indicate described terminal can the channel of WLAN (wireless local area network) described in contention access.

The cut-in method of the WLAN (wireless local area network) that the embodiment of the present invention provides.Because access point is by obtaining the terminal type of terminal, and the first parameter of described terminal is determined according to described terminal type, and broadcast described first parameter, the second parameter is generated to make described terminal, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access; Or receive the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.By comparing of described second parameter and described first parameter, make the probability of the channel of WLAN (wireless local area network) described in different terminals type contention access different, thus reduce the probability of a large amount of high power consumption terminal and a large amount of low-power consumption terminal channel of WLAN (wireless local area network) described in contention access simultaneously, and then reduce power consumption.

More detailed elaboration is done below by the concrete cut-in method of example to the WLAN (wireless local area network) that the embodiment of the present invention provides.

As shown in Figure 3, the cut-in method of the WLAN (wireless local area network) that further embodiment of this invention provides, comprising:

The terminal type of self is reported access point by step 301, terminal.Perform step 302 or step 303.

Access terminal if the described terminal type of step 302 is broadband wireless data, then the first parameter of terminal described in described access point dynamic-configuration is the first random factor and the first stand-by period.Perform step 304.

If the described terminal type of step 303 is sensor terminal, then the first parameter of terminal described in described access point dynamic-configuration is the second random factor and the second stand-by period.Perform step 304.

Concrete, because described first random factor and described second random factor are when getting different value, the probability that described terminal challenge accesses the channel of described WLAN (wireless local area network) is different, therefore described first random factor, first stand-by period, second random factor and the second stand-by period can carry out dynamic-configuration according to the effect that will reach, described first stand-by period and described second stand-by period can periodically to send cycle of beacon frame relevant to access point, it can be such as the integral multiple in the cycle of described transmission beacon frame, as as described in the first stand-by period or the second stand-by period can be as described in 2 times of cycle of transmission beacon frame, 3 times or larger integral multiple, but be not only confined to this.

Step 304, described access point be multiple terminal broadcast beacon frame in described WLAN (wireless local area network) periodically.

Wherein, described beacon frame comprises identify label territory, length field and information field, described first random factor, the first stand-by period are stored in described information field, described identify label territory is used to indicate the information content of described information field, described length field is used to indicate the length scale of described information field, the byte number that such as described information field takies.Perform step 305.

Or, described beacon frame comprises identify label territory, length field and information field, described second random factor, the second stand-by period are stored in described information field, described identify label territory is used to indicate the information content of described information field, described length field is used to indicate the length scale of described information field, the byte number that such as described information field takies.Perform step 308.

Step 305, described terminal type are that broadband wireless data accesses terminal, and described broadband wireless data accesses terminal after receiving described beacon frame, generate a random number, and compare with the first random factor in described information field.Perform step 306 or step 307.

Concrete, the strategy pre-set by, can judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.Such as: described random number is set and produces in digital 1-100, suppose that described random factor is 90, the strategy pre-set described can be if that described random number is less than or equal to described random factor, then described terminal has the authority of the channel of WLAN (wireless local area network) described in contention access, otherwise the authority of the channel of the described WLAN (wireless local area network) of uncontested access, the probability that described like this terminal has the authority of the channel of WLAN (wireless local area network) described in contention access will have 90%, if and described random factor is 10, the probability that then described terminal has an authority of the channel of WLAN (wireless local area network) described in contention access only has 10%, visible by described first parameter of configuration, described terminal challenge is made to access the probability of the channel of described WLAN (wireless local area network) controlled.

If the described random number of step 306 is less than or equal to described first random factor, then broadband wireless data accesses terminal and judges self to have the authority of the channel of WLAN (wireless local area network) described in contention access.

If the described random number of step 307 is greater than described first random factor, then broadband wireless data accesses terminal the authority of the channel judging self uncontested access described WLAN (wireless local area network), enter resting state, until after reaching described first stand-by period, continue to intercept described beacon frame.

Concrete, in the dormant state, described terminal can not carry out sending and receiving action, and described terminal, by entering resting state, reduce further power consumption.

Step 308, described terminal type are sensor terminal, and described sensor terminal, after receiving described beacon frame, generates a random number, and compares with the second random factor in described information field.Perform step 309 or step 310.

If the described random number of step 309 is less than or equal to described second random factor, then described sensor terminal judges the authority self with the channel of WLAN (wireless local area network) described in contention access.

If the described random number of step 310 is greater than described second random factor, then described sensor terminal judges the authority of the channel of the described WLAN (wireless local area network) of self uncontested access, enter resting state, until after reaching described second stand-by period, continue to intercept described beacon frame.

The cut-in method of the WLAN (wireless local area network) that further embodiment of this invention provides.Owing to being obtained the terminal type of terminal in WLAN (wireless local area network) by access point, and the first parameter of described terminal is determined according to described terminal type, and broadcast described first parameter, the second parameter is generated to make described terminal, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.By comparing of described second parameter and described first parameter, make the probability of the channel of WLAN (wireless local area network) described in different terminals type contention access different, thus reduce the probability of a large amount of high power consumption terminal and a large amount of low-power consumption terminal channel of WLAN (wireless local area network) described in contention access simultaneously, and then reduce power consumption.

As shown in Figure 4, the cut-in method of the WLAN (wireless local area network) that another embodiment of the present invention provides, comprising:

The terminal type of self is reported access point by step 401, terminal.Perform step 402 or step 403.

Access terminal if the described terminal type of step 402 is broadband wireless data, then described in described access point dynamic-configuration, the first parameter of terminal is the first random factor.Perform step 404, step 405 and step 407 successively.

If the described terminal type of step 403 is sensor terminal, then described in described access point dynamic-configuration, the first parameter of terminal is the second random factor.Perform step 404, step 406 and step 408 successively.

Concrete, because described first random factor and described second random factor are when getting different value, the probability that described terminal challenge accesses the channel of described WLAN (wireless local area network) is different, and therefore described first random factor, the secondth random factor can carry out dynamic-configuration according to the effect that will reach.

Step 404, the terminal of the channel of WLAN (wireless local area network) described in contention access is needed to send a request message to described access point.

Step 405, described access point receive broadband wireless data access terminal send described request message after, generate a random number, and compare with described first random factor.Perform step 407.

Step 406, described access point, after the described request message receiving sensor terminal transmission, generate a random number, and compare with described second random factor.Perform step 408.

If the described random number of step 407 is less than or equal to described first random factor, then described access point judges that described broadband wireless data accesses terminal the authority of the channel with WLAN (wireless local area network) described in contention access.Perform step 409.

If the described random number of step 408 is less than or equal to described second random factor, then described access point judges that described sensor terminal has the authority of the channel of WLAN (wireless local area network) described in contention access.Perform step 409.

Step 409, access point send the feedback message corresponding with described request message to described terminal.

Wherein, described feedback message can be send beacon frame by access point to described terminal to realize, described beacon frame comprises identify label territory, length field and information field, described feedback message is stored in described information field, described identify label territory is used to indicate the information content of described information field, described length field is used to indicate the length scale of described information field, the byte number that such as described information field takies.

If the described feedback message of step 410 indicates described terminal to have the authority of the channel of WLAN (wireless local area network) described in contention access, then described terminal accesses the channel of described WLAN (wireless local area network), to carry out data transmit-receive.

The cut-in method of the WLAN (wireless local area network) that another embodiment of the present invention provides.Because access point is by obtaining the terminal type of terminal in WLAN (wireless local area network), and the first parameter of described terminal is determined according to described terminal type, receive the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.By comparing of described second parameter and described first parameter, make the probability of the channel of WLAN (wireless local area network) described in different terminals type contention access different, thus reduce the probability of a large amount of high power consumption terminal and a large amount of low-power consumption terminal channel of WLAN (wireless local area network) described in contention access simultaneously, and then reduce power consumption.

Describe the embodiment of the method according to the embodiment of the present invention above in detail, below, describe the device of the control data transmission according to the embodiment of the present invention in detail.Concrete can be a WLAN (wireless local area network), and access point wherein and website are to realize above-mentioned data transmission method.

Consult Fig. 5 a, the embodiment of the present invention provides the device embodiment realizing each step and method in said method embodiment further.The embodiment of the present invention can be applicable to access point or the website (terminal) of various WLAN (wireless local area network).Fig. 5 a shows a kind of embodiment of equipment, and in this embodiment, equipment 50 comprises radiating circuit 502, receiving circuit 503, power controller 504, decoding processor 505, processing unit 506, memory 507 and antenna 501.The operation of processing unit 506 control appliance 50, processing unit 506 can also be called central processing unit (CentralProcessingUnit is called for short CPU).Memory 507 can comprise read-only memory and random access memory, and provides instruction and data to processing unit 506.A part for memory 507 can also comprise non-volatile row random access memory (Non-VolatileRandomAccessMemory is called for short NVRAM).In concrete application, equipment 50 can embed or itself can be exactly the Wireless Telecom Equipment of such as mobile phone and so on, the carrier holding radiating circuit 502 and receiving circuit 503 can also be comprised, to allow to carry out data transmitting and receiving between equipment 50 and remote location.Radiating circuit 502 and receiving circuit 503 can be coupled to antenna 501.Each assembly of equipment 50 is coupled by bus system 5100, and wherein said bus system 5100, except comprising data/address bus, also comprises power bus, control bus and status signal bus in addition.But see from tomorrow in order to clear, in the drawings various bus is all designated as bus system 5100.Equipment 50 can also comprise for the treatment of signal processing unit 506, comprise power controller 504, decoding processor 505 in addition.In concrete different product, decoder 505 may become one with processing unit 506.

Processor can realize or perform disclosed each step in the inventive method embodiment and logic diagram.The processor of general processor can be microprocessor or this processor also can be any routine, decoder etc.Step in conjunction with the method disclosed in the embodiment of the present invention can directly be presented as that hardware processor is complete, or combines complete by the hardware in decoding processor and software module.Software module can be positioned at random asccess memory, 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 507, and decoding unit or processing unit read the information in memory 507, complete the step of said method in conjunction with its hardware.

As shown in Figure 5 b, the access point of the WLAN (wireless local area network) that the embodiment of the present invention provides, comprising:

First acquiring unit 61, for obtaining the terminal type of terminal in WLAN (wireless local area network).Its specific implementation, see in Fig. 1 shown in step 101, repeats no more herein.

First dispensing unit 62, for determining the first parameter of described terminal according to described terminal type.Its specific implementation, see in Fig. 1 shown in step 102, repeats no more herein.

First radio unit 63, for broadcasting described first parameter.Its specific implementation, see in Fig. 1 shown in step 103, repeats no more herein.

First Transmit-Receive Unit 64, for receiving the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, the feedback message corresponding with described request message is sent, to indicate described terminal can the channel of WLAN (wireless local area network) described in contention access to described terminal.Its specific implementation, see in Fig. 1 shown in step 104, repeats no more herein.

Wherein the first acquiring unit 61, first dispensing unit 62 and the first Transmit-Receive Unit 64 can be a processing unit 506 respectively or be integrated in a processing unit 506.First radio unit 63 can be a radiating circuit 502 or a part wherein.Wherein the part of above-mentioned each unit transmitting-receiving has all been coordinated by receiving circuit and radiating circuit.

Further, as shown in Figure 6, described terminal type is that broadband wireless data accesses terminal, and described first parameter comprises the first random factor and the first stand-by period, described first dispensing unit 62, specifically for:

The first parameter that broadband wireless data described in dynamic-configuration accesses terminal is the first random factor and the first stand-by period.Its specific implementation, see in Fig. 3 shown in step 302, repeats no more herein.

Further, as shown in Figure 6, described first radio unit 63, specifically for:

Periodically multiple terminal broadcast beacon frame in described WLAN (wireless local area network), described beacon frame comprises identify label territory, length field and information field, described first random factor, the first stand-by period are stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field.Its specific implementation, see in Fig. 3 shown in step 304, repeats no more herein.

Further, as shown in Figure 6, described terminal type is sensor terminal, and described first parameter comprises the second random factor and the second stand-by period, described first dispensing unit 62, specifically for:

First parameter of sensor terminal described in dynamic-configuration is the second random factor and the second stand-by period.Its specific implementation, see in Fig. 3 shown in step 303, repeats no more herein.

Described first radio unit 63, specifically for:

Periodically multiple terminal broadcast beacon frame in described WLAN (wireless local area network), described beacon frame comprises identify label territory, length field and information field, described second random factor, the second stand-by period are stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field.Its specific implementation, see in Fig. 3 shown in step 304, repeats no more herein.

Further, as shown in Figure 6, described terminal type is that broadband wireless data accesses terminal, and described first parameter comprises the first random factor, and described second parameter is a random number, described first dispensing unit 62, specifically for:

The first parameter that broadband wireless data described in dynamic-configuration accesses terminal is the first random factor.Its specific implementation, see in Fig. 4 shown in step 402, repeats no more herein.

Further, as shown in Figure 6, described first Transmit-Receive Unit 64, comprising:

First comparison module 641, for accessing terminal after the described request message that sends receiving broadband wireless data, generating a random number, and comparing with described broadband wireless data the first corresponding random factor that accesses terminal.Its specific implementation, see in Fig. 4 shown in step 405, repeats no more herein.

First determination module 642, if be less than or equal to described first random factor for described random number, then judges that described broadband wireless data accesses terminal the authority of the channel with WLAN (wireless local area network) described in contention access.Its specific implementation, see in Fig. 4 shown in step 407, repeats no more herein.

First sending module 643, sends the feedback message corresponding with described request message for accessing terminal to described broadband wireless data, to access terminal the channel of WLAN (wireless local area network) described in contention access to make described broadband wireless data.Its specific implementation, see in Fig. 4 shown in step 409, repeats no more herein.

Further, as shown in Figure 6, described terminal type is sensor terminal, and described first parameter comprises the second random factor, and described second parameter is a random number, described first dispensing unit 62, specifically for:

First parameter of sensor terminal described in dynamic-configuration is the second random factor.Its specific implementation, see in Fig. 4 shown in step 403, repeats no more herein.

Described first Transmit-Receive Unit 64, comprising:

Second comparison module 644, for after the described request message receiving sensor terminal transmission, generate a random number, and second random factor corresponding with described sensor terminal compares.Its specific implementation, see in Fig. 4 shown in step 406, repeats no more herein.

Second determination module 645, if be less than or equal to described second random factor for described random number, then judges that described sensor terminal has the authority of the channel of WLAN (wireless local area network) described in contention access.Its specific implementation, see in Fig. 4 shown in step 408, repeats no more herein.

Second sending module 646, for sending the feedback message corresponding with described request message, to make the channel of WLAN (wireless local area network) described in described sensor terminal contention access to described sensor terminal.Its specific implementation, see in Fig. 4 shown in step 409, repeats no more herein.

The access point of the WLAN (wireless local area network) that the embodiment of the present invention provides.Because access point is by obtaining the terminal type of terminal, and the first parameter of described terminal is determined according to described terminal type, and broadcast described first parameter, the second parameter is generated to make described terminal, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access; Or receive the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.By comparing of described second parameter and described first parameter, make the probability of the channel of WLAN (wireless local area network) described in different terminals type contention access different, thus reduce the probability of a large amount of high power consumption terminal and a large amount of low-power consumption terminal channel of WLAN (wireless local area network) described in contention access simultaneously, and then reduce power consumption.

As shown in Figure 7, the terminal that the embodiment of the present invention provides, comprising:

Information reporting unit 71, for the terminal type of self is sent to access point, determines the first parameter of described terminal to make described access point according to described terminal type.Its specific implementation, see in Fig. 2 shown in step 201, repeats no more herein.

Receiving judging unit 72, for receiving described first parameter of described access point broadcast, generating the second parameter, and according to the comparative result of described second parameter and described first parameter, can judge self the channel of WLAN (wireless local area network) described in contention access.Its specific implementation, see in Fig. 2 shown in step 202, repeats no more herein.

Second Transmit-Receive Unit 73, for sending a request message to described access point, to make described access point according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, receive the feedback message corresponding with described request message that described access point sends, can described feedback message is used to indicate described terminal the channel of WLAN (wireless local area network) described in contention access.Its specific implementation, see in Fig. 2 shown in step 203, repeats no more herein.

In concrete terminal equipment form, information reporting unit 71, second Transmit-Receive Unit 73 can be a part for radiating circuit 502 or radiating circuit 502 respectively, receives the part that judging unit 72 can be receiving circuit 503 or receiving circuit 503.

Further, as shown in Figure 8, described terminal type is that broadband wireless data accesses terminal, and described first parameter comprises the first random factor and the first stand-by period, and described second parameter is a random number, described reception judging unit 72, specifically for:

Receive the beacon frame of described access point periodic broadcast, described beacon frame comprises identify label territory, length field and information field, described first random factor and the first stand-by period is stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field.Its specific implementation, see in Fig. 3 shown in step 304, repeats no more herein.

Further, as shown in Figure 8, described reception judging unit 72, comprising:

3rd comparison module 721, for generating a random number, and compares with the first random factor in described information field.Its specific implementation, see in Fig. 3 shown in step 305, repeats no more herein.

3rd determination module 722, if be less than or equal to described first random factor for described random number, then judges the authority of the channel self with WLAN (wireless local area network) described in contention access.Its specific implementation, see in Fig. 3 shown in step 306, repeats no more herein.

4th determination module 723, if be greater than described first random factor for described random number, then judge the authority of the channel of the described WLAN (wireless local area network) of self uncontested access, enter resting state, until after reaching described first stand-by period, continue to intercept described beacon frame.Its specific implementation, see in Fig. 3 shown in step 307, repeats no more herein.

Further, as shown in Figure 8, described terminal type is sensor terminal, and described first parameter comprises the second random factor and the second stand-by period, and described second parameter is a random number, described reception judging unit 72, specifically for:

Receive the beacon frame of described access point periodic broadcast, described beacon frame comprises identify label territory, length field and information field, described second random factor and the second stand-by period is stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field.Its specific implementation, see in Fig. 3 shown in step 304, repeats no more herein.

Further, as shown in Figure 8, described reception judging unit 72, comprising:

4th comparison module 724, for generating a random number, and compares with the second random factor in described information field.Its specific implementation, see in Fig. 3 shown in step 308, repeats no more herein.

5th determination module 725, if be less than or equal to described second random factor for described random number, then judges the authority of the channel self with WLAN (wireless local area network) described in contention access.Its specific implementation, see in Fig. 3 shown in step 309, repeats no more herein.

6th determination module 726, if be greater than described second random factor for described random number, then judge the authority of the channel of the described WLAN (wireless local area network) of self uncontested access, enter resting state, until after reaching described second stand-by period, continue to intercept described beacon frame.Its specific implementation, see in Fig. 3 shown in step 310, repeats no more herein.

Further, as shown in Figure 8, described terminal also comprises:

Channel access unit 74, if the feedback message for receiving indicates described terminal to have the authority of the channel of WLAN (wireless local area network) described in contention access, then accesses the channel of described WLAN (wireless local area network), to carry out data transmit-receive.Its specific implementation, see in Fig. 4 shown in step 410, repeats no more herein.

The terminal that the embodiment of the present invention provides, due to by the terminal type of self is reported access point, determines the first parameter of described terminal to make described access point according to described terminal type; Receive described first parameter of described access point broadcast, generate the second parameter, and according to the comparative result of described second parameter and described first parameter, can judge self the channel of WLAN (wireless local area network) described in contention access; Or send a request message to described access point, to make described access point according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, receive the feedback message corresponding with described request message that described access point sends, can described feedback message is used to indicate described terminal the channel of WLAN (wireless local area network) described in contention access.By comparing of described second parameter and described first parameter, make the probability of the channel of WLAN (wireless local area network) described in different terminals type contention access different, thus reduce the probability of a large amount of high power consumption terminal and a large amount of low-power consumption terminal channel of WLAN (wireless local area network) described in contention access simultaneously, and then reduce power consumption.

As shown in Figure 9, the connecting system of the WLAN (wireless local area network) that the embodiment of the present invention provides, comprises an access point 81 and multiple terminal 82, wherein,

Described access point 81, for obtaining the terminal type of terminal 82 in WLAN (wireless local area network), and the first parameter of described terminal 82 is determined according to described terminal type, and broadcast described first parameter, or receive the request message that described terminal 82 sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal 82 channel of WLAN (wireless local area network) described in contention access, the feedback message corresponding with described request message is sent to described terminal 82, to indicate described terminal 82 can the channel of WLAN (wireless local area network) described in contention access.

Described terminal 82, for the terminal type of self is sent to described access point 81, and receive described first parameter of described access point 81 broadcast, generate the second parameter, and according to the comparative result of described second parameter and described first parameter, can judge self the channel of WLAN (wireless local area network) described in contention access, or send a request message to described access point 81, and receive the feedback message corresponding with described request message that described access point 81 sends, can described feedback message is used to indicate described terminal 82 channel of WLAN (wireless local area network) described in contention access.

Its specific implementation, see the specific embodiment of above-mentioned access point and terminal, repeats no more herein.What deserves to be explained is, described access point can be a kind of wireless router with access point, described terminal can be that broadband wireless data accesses terminal (such as smart mobile phone, notebook computer etc. can with the high power consumption terminal of WiMAX online) or sensor terminal (the low-power consumption terminal such as such as environmental monitoring terminal, medical monitoring terminal), but is not only confined to this.

The connecting system of the WLAN (wireless local area network) that the embodiment of the present invention provides.Because access point is by obtaining the terminal type of terminal, and the first parameter of described terminal is determined according to described terminal type, broadcast described first parameter, the second parameter is generated to make described terminal, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access; Or receive the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access.By comparing of described second parameter and described first parameter, make the probability of the channel of WLAN (wireless local area network) described in different terminals type contention access different, thus reduce the probability of a large amount of high power consumption terminal and a large amount of low-power consumption terminal channel of WLAN (wireless local area network) described in contention access simultaneously, and then reduce power consumption.

Claims

1. a cut-in method for WLAN (wireless local area network), is characterized in that, comprising:

2. method according to claim 1, it is characterized in that, described terminal type is that broadband wireless data accesses terminal, and described first parameter comprises the first random factor and the first stand-by period, described access point determines the first parameter of described terminal according to described terminal type, comprising:

The first parameter that described in described access point dynamic-configuration, broadband wireless data accesses terminal is the first random factor and the first stand-by period;

Described first parameter of described access point broadcast, comprising:

Described access point is multiple terminal broadcast beacon frame in described WLAN (wireless local area network) periodically, described beacon frame comprises identify label territory, length field and information field, described first random factor, the first stand-by period are stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field.

3. method according to claim 1, it is characterized in that, described terminal type is sensor terminal, and described first parameter comprises the second random factor and the second stand-by period, described access point determines the first parameter of described terminal according to described terminal type, comprising:

First parameter of sensor terminal described in described access point dynamic-configuration is the second random factor and the second stand-by period;

Described first parameter of described access point broadcast, comprising:

Described access point is multiple terminal broadcast beacon frame in described WLAN (wireless local area network) periodically, described beacon frame comprises identify label territory, length field and information field, described second random factor, the second stand-by period are stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field.

4. method according to claim 1, it is characterized in that, described terminal type is that broadband wireless data accesses terminal, described first parameter comprises the first random factor, described second parameter is a random number, described access point determines the first parameter of described terminal according to described terminal type, comprising:

The first parameter that described in described access point dynamic-configuration, broadband wireless data accesses terminal is the first random factor;

Described access point receives the request message that described terminal sends, according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, send the feedback message corresponding with described request message to described terminal, comprising:

Access terminal after the described request message that sends receiving broadband wireless data, generate a random number, and compare with described broadband wireless data the first corresponding random factor that accesses terminal;

If described random number is less than or equal to described first random factor, then judge that described broadband wireless data accesses terminal the authority of the channel with WLAN (wireless local area network) described in contention access;

Access terminal to described broadband wireless data and send the feedback message corresponding with described request message, to access terminal the channel of WLAN (wireless local area network) described in contention access to make described broadband wireless data.

5. method according to claim 1, is characterized in that, described terminal type is sensor terminal, described first parameter comprises the second random factor, described second parameter is a random number, and described access point determines the first parameter of described terminal according to described terminal type, comprising:

Described in described access point dynamic-configuration, the first parameter of sensor terminal is the second random factor;

After the described request message receiving sensor terminal transmission, generate a random number, and second random factor corresponding with described sensor terminal compares;

If described random number is less than or equal to described second random factor, then judge that described sensor terminal has the authority of the channel of WLAN (wireless local area network) described in contention access;

The feedback message corresponding with described request message is sent, to make the channel of WLAN (wireless local area network) described in described sensor terminal contention access to described sensor terminal.

6. a cut-in method for WLAN (wireless local area network), is characterized in that, comprising:

Terminal receives described first parameter of described access point broadcast, generates the second parameter, and according to the comparative result of described second parameter and described first parameter, and can judge self the channel of contention access WLAN (wireless local area network); Or described terminal sends a request message to described access point, to make described access point according to described request message generation second parameter, and according to the comparative result of described second parameter and described first parameter, judge that can described terminal the channel of WLAN (wireless local area network) described in contention access, receive the feedback message corresponding with described request message that described access point sends, can described feedback message is used to indicate described terminal the channel of WLAN (wireless local area network) described in contention access.

7. method according to claim 6, it is characterized in that, described terminal type is that broadband wireless data accesses terminal, described first parameter comprises the first random factor and the first stand-by period, described second parameter is a random number, described terminal receives described first parameter of described access point broadcast, comprising:

Described broadband wireless data accesses terminal and receives the beacon frame of described access point periodic broadcast, described beacon frame comprises identify label territory, length field and information field, described first random factor and the first stand-by period is stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field;

Described generation second parameter, and according to the comparative result of described second parameter and described first parameter, can judge self the channel of WLAN (wireless local area network) described in contention access, comprising:

Broadband wireless data accesses terminal generation random number, and compares with the first random factor in described information field;

If described random number is less than or equal to described first random factor, then judge the authority of the channel self with WLAN (wireless local area network) described in contention access;

If described random number is greater than described first random factor, then judges the authority of the channel of the described WLAN (wireless local area network) of self uncontested access, enter resting state, until after reaching described first stand-by period, continue to intercept described beacon frame.

8. method according to claim 6, is characterized in that, described terminal type is sensor terminal, described first parameter comprises the second random factor and the second stand-by period, described second parameter is a random number, and described terminal receives described first parameter of described access point broadcast, comprising:

Sensor terminal receives the beacon frame of described access point periodic broadcast, described beacon frame comprises identify label territory, length field and information field, described second random factor and the second stand-by period is stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field;

Sensor terminal generates a random number, and compares with the second random factor in described information field;

If described random number is less than or equal to described second random factor, then judge the authority of the channel self with WLAN (wireless local area network) described in contention access;

If described random number is greater than described second random factor, then judges the authority of the channel of the described WLAN (wireless local area network) of self uncontested access, enter resting state, until after reaching described second stand-by period, continue to intercept described beacon frame.

9. method according to claim 6, is characterized in that, after the described feedback message corresponding with described request message receiving the transmission of described access point, comprising:

If the feedback message received indicates described terminal to have the authority of the channel of WLAN (wireless local area network) described in contention access, then access the channel of described WLAN (wireless local area network), to carry out data transmit-receive.

10. an access point for WLAN (wireless local area network), is characterized in that, comprising:

First radio unit, for broadcasting described first parameter;

11. access points according to claim 10, is characterized in that, described terminal type is that broadband wireless data accesses terminal, and described first parameter comprises the first random factor and the first stand-by period, described first dispensing unit, specifically for:

The first parameter that broadband wireless data described in dynamic-configuration accesses terminal is the first random factor and the first stand-by period.

12. access points according to claim 10, it is characterized in that, described first radio unit, specifically for periodicity multiple terminal broadcast beacon frame in described WLAN (wireless local area network), described beacon frame comprises identify label territory, length field and information field, first random factor, the first stand-by period are stored in described information field, and described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field.

13. access points according to claim 10, is characterized in that, described terminal type is sensor terminal, and described first parameter comprises the second random factor and the second stand-by period, described first dispensing unit, specifically for:

First parameter of sensor terminal described in dynamic-configuration is the second random factor and the second stand-by period;

Described first radio unit, specifically for:

Periodically multiple terminal broadcast beacon frame in described WLAN (wireless local area network), described beacon frame comprises identify label territory, length field and information field, described second random factor, the second stand-by period are stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field.

14. access points according to claim 10, is characterized in that, described terminal type is that broadband wireless data accesses terminal, and described first parameter comprises the first random factor, and described second parameter is a random number, described first dispensing unit, specifically for:

The first parameter that broadband wireless data described in dynamic-configuration accesses terminal is the first random factor;

Described first Transmit-Receive Unit, comprising:

First comparison module, for accessing terminal after the described request message that sends receiving broadband wireless data, generating a random number, and comparing with described broadband wireless data the first corresponding random factor that accesses terminal;

First determination module, if be less than or equal to described first random factor for described random number, then judges that described broadband wireless data accesses terminal the authority of the channel with WLAN (wireless local area network) described in contention access;

First sending module, sends the feedback message corresponding with described request message for accessing terminal to described broadband wireless data, to access terminal the channel of WLAN (wireless local area network) described in contention access to make described broadband wireless data.

15. access points according to claim 10, is characterized in that, described terminal type is sensor terminal, and described first parameter comprises the second random factor, and described second parameter is a random number, described first dispensing unit, specifically for:

First parameter of sensor terminal described in dynamic-configuration is the second random factor;

Described first Transmit-Receive Unit, comprising:

Second comparison module, for after the described request message receiving sensor terminal transmission, generate a random number, and second random factor corresponding with described sensor terminal compares;

Second determination module, if be less than or equal to described second random factor for described random number, then judges that described sensor terminal has the authority of the channel of WLAN (wireless local area network) described in contention access;

Second sending module, for sending the feedback message corresponding with described request message, to make the channel of WLAN (wireless local area network) described in described sensor terminal contention access to described sensor terminal.

16. 1 kinds of terminals, is characterized in that, comprising:

Receiving judging unit, for receiving described first parameter of described access point broadcast, generating the second parameter, and according to the comparative result of described second parameter and described first parameter, can judge self the channel of contention access WLAN (wireless local area network);

17. terminals according to claim 16, is characterized in that, described terminal type is that broadband wireless data accesses terminal, described first parameter comprises the first random factor and the first stand-by period, described second parameter is a random number, described reception judging unit, specifically for:

Receive the beacon frame of described access point periodic broadcast, described beacon frame comprises identify label territory, length field and information field, described first random factor and the first stand-by period is stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field;

Described reception judging unit, comprising:

3rd comparison module, for generating a random number, and compares with the first random factor in described information field;

3rd determination module, if be less than or equal to described first random factor for described random number, then judges the authority of the channel self with WLAN (wireless local area network) described in contention access;

4th determination module, if be greater than described first random factor for described random number, then judge the authority of the channel of the described WLAN (wireless local area network) of self uncontested access, enters resting state, until after reaching described first stand-by period, continue to intercept described beacon frame.

18. terminals according to claim 16, is characterized in that, described terminal type is sensor terminal, and described first parameter comprises the second random factor and the second stand-by period, and described second parameter is a random number, described reception judging unit, specifically for:

Receive the beacon frame of described access point periodic broadcast, described beacon frame comprises identify label territory, length field and information field, described second random factor and the second stand-by period is stored in described information field, described identify label territory is used to indicate the information content of described information field, and described length field is used to indicate the length scale of described information field;

Described reception judging unit, comprising:

4th comparison module, for generating a random number, and compares with the second random factor in described information field;

5th determination module, if be less than or equal to described second random factor for described random number, then judges the authority of the channel self with WLAN (wireless local area network) described in contention access;

6th determination module, if be greater than described second random factor for described random number, then judge the authority of the channel of the described WLAN (wireless local area network) of self uncontested access, enters resting state, until after reaching described second stand-by period, continue to intercept described beacon frame.

19. terminals according to claim 16, is characterized in that, described terminal also comprises:

Channel access unit, if the feedback message for receiving indicates described terminal to have the authority of the channel of WLAN (wireless local area network) described in contention access, then accesses the channel of described WLAN (wireless local area network), to carry out data transmit-receive.

The connecting system of 20. 1 kinds of WLAN (wireless local area network), is characterized in that, comprises an access point and multiple terminal, wherein,