CN107306456B - A kind of method, apparatus and system of terminal association AP - Google Patents
A kind of method, apparatus and system of terminal association AP Download PDFInfo
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- CN107306456B CN107306456B CN201610255381.7A CN201610255381A CN107306456B CN 107306456 B CN107306456 B CN 107306456B CN 201610255381 A CN201610255381 A CN 201610255381A CN 107306456 B CN107306456 B CN 107306456B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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Abstract
The embodiment of the present invention provides the method, apparatus and system of a kind of terminal association AP, can guarantee that terminal carries out data transmission with AP to be connect in time.The method of terminal association AP includes: that AP receives the association request message that terminal is sent；In response to the association request message, AP sends associate response message to terminal；After sending the associate response message, AP sends unicast beacon frame to terminal in preset duration, and the recipient address of the unicast beacon frame is the address of terminal.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of method, apparatus and system of terminal association AP.
Background technique
Wireless LAN (English: wireless local area networks, abbreviation: WLAN) in, terminal with
Can just it carry out data transmission after being associated between access point (English: access point, abbreviation: AP).
Terminal sends association request message to new AP to request to be associated with new AP.Association request message can be association request
(English: association request) frame or reassociation requests (English: reassociation request) frame.Generally
Ground, terminal, which receives the associate response message that the new AP is sent, may be correlated to the new AP.Associate response message can be pass
Connection response (English: association response) frame (corresponding to association request frame) or re-association response (English:
Reassociation response) frame (corresponding to reassociation requests frame).But some terminals not only need to receive association
After response message also needs to receive beacon (English: beacon) frame that new AP is sent, can just be associated with the new AP, i.e., terminal by
Not connected (English: disassociated) state is converted to connection (associated) state.
However, the period (i.e. beacon interval (English: beacon interval)) that AP sends beacon frame is usually long.
Therefore, terminal may wait after sending association request message to new AP and for a long time can just receive beacon frame, cause terminal can not and
Shi Yuxin AP carries out data transmission.
Summary of the invention
The application provides the method, apparatus and system of a kind of terminal association AP, can guarantee terminal in time with AP to be connect
Carry out data transmission.
In a first aspect, providing the method for terminal association AP a kind of, comprising: AP receives the association request message that terminal is sent；
In response to the association request message, AP sends associate response message to terminal；After sending the associate response message, AP is default
Unicast beacon frame, the recipient address (English: receiver address, contracting of the unicast beacon frame are sent to terminal in duration
Write: RA) be terminal address.
Since AP is in the preset duration after sending associate response message to terminal, which sends to terminal and is directed to the end
End unicast beacon frame (i.e. the recipient address of the unicast beacon frame be the terminal address), so can be to a certain extent
Guarantee AP after sending associate response message, send the unicast beacon frame to terminal immediately, thus enable to terminal in time with
AP to be accessed establishes connection, to guarantee that terminal carries out data transmission with AP to be accessed in time.
In a kind of optional mode, after AP sends unicast beacon frame to terminal in preset duration, this method is also wrapped
Include: AP receives the acknowledgement frame for the unicast beacon frame that terminal is sent.
After AP sends unicast beacon frame to terminal, AP can receive the acknowledgement frame of the unicast beacon frame of terminal transmission, thus
The unicast beacon frame that AP confirmation AP is sent accurately is received by terminal.
Second aspect provides a kind of AP, including receiving unit and transmission unit.Receiving unit is sent for receiving terminal
Association request message；Transmission unit, for sending and being associated with to terminal in response to the received association request message of receiving unit
Response message, and unicast beacon frame is sent to terminal in preset duration, the recipient address of the unicast beacon frame is terminal
Address.
In a kind of optional mode, receiving unit is also used to send list to terminal in preset duration in transmission unit
After broadcasting beacon frame, the acknowledgement frame for the unicast beacon frame that terminal is sent is received.
For the description of the technical effect of second aspect and its optional way specifically may refer to it is above-mentioned to first aspect and
The associated description of the technical effect of its optional way, details are not described herein again.
The third aspect provides a kind of AP, including at least one processor and transceiver.At least one processor, for leading to
It crosses transceiver and receives the association request message that terminal is sent；And in response to the association request message, associated response is sent to terminal
Message；And after sending the associate response message, unicast beacon frame, the unicast beacon frame are sent to terminal in preset duration
Recipient address be terminal address.
In a kind of optional mode, at least one processor is also used in preset duration send unicast letter to terminal
After marking frame, the acknowledgement frame for the unicast beacon frame that terminal is sent is received by transceiver.
For the description of the technical effect of the third aspect and its optional way specifically may refer to it is above-mentioned to first aspect and
The associated description of the technical effect of its optional way, details are not described herein again.
In above-mentioned first aspect into the third aspect, a kind of optional mode is that the preset duration in the application is less than AP
Beacon interval.
Since preset duration is less than the beacon interval of AP, it can guarantee that AP is sending associated response to a certain extent
After message, unicast beacon frame is sent to terminal (i.e. before AP sends broadcast beacon frame next time) immediately.
In above-mentioned first aspect into the third aspect, another optional mode is the transmission of above-mentioned association request message
Square address is the address of terminal, and the address of terminal can be the physical address of terminal, such as the media access control (English of terminal
Text: media access control, abbreviation: MAC) address.
The sender address of association request message is the address of terminal, and AP can be made to determine need according to the address of the terminal
Which terminal is the terminal to be accessed be.
Fourth aspect provides a kind of computer readable storage medium, and one is stored in the computer readable storage medium
Or multiple programs, at least one processor of AP by executing the one or more program, thereby executing above-mentioned first aspect and
The method of terminal association AP described in any one in the various optional ways of first aspect.
5th aspect, provides a kind of WLAN system, which includes AP and close with the AP
The terminal of connection, the AP can be described in any one optional way or the third aspect of above-mentioned second aspect, second aspect
AP。
The above-mentioned skill to first aspect specifically may refer to for the description of the technical effect of fourth aspect and the 5th aspect
The associated description of art effect, details are not described herein again.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention.
Fig. 1 is a kind of configuration diagram of WLAN system provided in an embodiment of the present invention；
Fig. 2 is the interactive cooperation pattern diagram between a kind of AP provided in an embodiment of the present invention and terminal；
Fig. 3 is a kind of method flow schematic diagram one of terminal association AP provided in an embodiment of the present invention；
Fig. 4 is a kind of method flow schematic diagram two of terminal association AP provided in an embodiment of the present invention；
Fig. 5 is the hardware schematic of AP provided in an embodiment of the present invention.
Specific embodiment
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
" multiple " occurred in following embodiments of the invention, unless otherwise specifically stated outside situation, other each mean two
Or it is more than two.Such as multiple BSS refer to two or more BSS.
Method in order to clearly describe terminal association AP provided in an embodiment of the present invention, first below to the present invention
The related procedure being related in embodiment explains.
Under normal conditions, a terminal includes: that network discovery process, link are recognized with the AP process for establishing connection for the first time
Demonstrate,prove process and terminal association AP process.In network discovery process, broadcast beacon frame or master that terminal can wait AP to send
Dynamic probe requests thereby (English: the probe request) frame that sends detects whether the AP that can connect.The AP that can connect is to terminal
Probe response (English: probe response) frame is sent, terminal finds the AP that can connect.In link authentication process, eventually
It holds to the AP that can connect and sends certification request (English: authentication request) frame.The AP that can connect is to end
End sends authentication response (English: authentication response) frame.Hereafter, in terminal association AP process, terminal to
The AP that can connect sends association request (English: association request) message.The AP that can connect is sent to terminal
Associated response (English: association response) message, the status code if be successfully associated, in associate response message
(status code) expression operates successfully (such as the value of status code is 0), and carries association identification code.
Since terminal is to establish connection with AP for the first time, the association request message in above-mentioned terminal association AP process can be with
For association request frame；Associate response message can be association response frame.
Terminal roams: when terminal is from Extension Services collection (English: extended service set, abbreviation: ESS)
A basic service set (English: basic service set, abbreviation: BSS) be switched in the ESS another BSS when,
Referred to as the terminal roams.
When terminal roams, terminal goes to be associated with original AP, and is associated with new AP.Terminal and new AP are above-mentioned by completing
Terminal association AP process is associated, to establish connection between terminal and new AP.In terminal and new AP association process, for
For some terminals, after these terminals receive the associate response message that new AP is sent and beacon frame, these terminals and new AP
Terminal association AP process is just completed, i.e. terminal is established with new AP and connect.
When being roamed due to terminal, it is not that terminal establishes connection with AP for the first time that terminal, which establishes connection with new AP, therefore
Above-mentioned terminal is associated with new AP is referred to as terminal and new AP re-association.Association request in above-mentioned terminal association AP process disappears
Breath can be reassociation requests frame；Associate response message can attach most importance to association response frame.
The RA of traditional beacon frame is broadcast address.RA is that the beacon frame of broadcast address is properly termed as broadcast beacon frame.
In order to save the expense of wireless medium (English: wireless medium), AP sends the period of broadcast beacon frame
(i.e. beacon interval) is usually all arranged big.
It, can if the AP sends the big of the period setting of broadcast beacon frame during terminal and AP establish connection
Terminal can be will lead to after the associate response message for receiving AP transmission, the broadcast letter of AP transmission can not be timely received
Frame is marked, so that terminal can not establish connection with the AP in time, and then terminal is caused not carry out data transmission in time with the AP.
To solve the above-mentioned problems, the embodiment of the present invention provides the method for terminal association AP a kind of, and AP receives terminal and sends
Association request message send associate response message to terminal, and ring sending association and in response to the association request message
After answering message, AP sends unicast beacon frame to terminal again in preset duration, and the recipient address of the unicast beacon frame is terminal
Address.With this solution, since AP is in the preset duration after sending associate response message to terminal, which is sent out to terminal
The unicast beacon frame (i.e. the recipient address of the unicast beacon frame be the terminal address) for the terminal is sent, it so can be
Guarantee that AP sends the unicast beacon frame to terminal immediately after sending associate response message to a certain extent, therefore enables to
Terminal establishes connection with AP to be accessed in time, to guarantee that terminal carries out data transmission with AP to be accessed in time.
When a terminal establishes connection with AP for the first time, which needs and the AP completes network discovery process, link is recognized
Demonstrate,prove process and terminal association AP process.A terminal it is non-established for the first time with AP connection (i.e. the terminal only need and the AP carry out weight
Association) when, which needs and the AP completes terminal association AP process.After terminal and AP complete terminal association AP process, eventually
Connection can be established between end and AP.
The method of terminal association AP provided in an embodiment of the present invention can be applied in WLAN system, this is wireless
LAN system may include multiple ESS, and each ESS may include multiple BSS, each BSS may include an AP and
Several terminals of service are provided by the BSS.As shown in Figure 1, being a kind of possible wireless local area provided in an embodiment of the present invention
The configuration diagram of network system.It include two with WLAN system in WLAN system shown in Fig. 1
ESS, and for each ESS includes two BSS, when terminal is switched to the new BSS in the ESS from the former BSS in ESS, i.e., at this
In the scene that terminal roams, terminal needs go to be associated with the AP in original BSS, and are associated with the AP in the new BSS.It should
AP in terminal and the new BSS can execute terminal association AP using the method for terminal association AP provided in an embodiment of the present invention
Process to guarantee to establish connection between the terminal and new AP in time, and then guarantees that the terminal and the new AP carry out data in time
Transmission.
The method of terminal association AP provided in an embodiment of the present invention is applied in the interaction of AP and terminal, as shown in Fig. 2, being
Interactive cooperation pattern diagram between a kind of possible AP provided in an embodiment of the present invention and terminal.Below based on Fig. 2
The method, apparatus and system of terminal association AP provided in an embodiment of the present invention are illustratively illustrated.
In the embodiment of the present invention, as shown in Fig. 2, AP may include receiving unit 10 and transmission unit 11；Terminal can wrap
Include transmission unit 20 and receiving unit 21.
The transmission unit 20 of terminal sends association request message to AP；The receiving unit 10 of AP receives the association request and disappears
Breath, and associate response message is sent from the transmission unit of AP 11 to terminal；Associate response message is sent in the transmission unit 11 of AP
In preset duration afterwards, the transmission unit 11 of AP sends unicast beacon frame to terminal again, so that the receiving unit 21 of terminal is connecing
The unicast beacon frame is received in preset duration after receiving the associate response message, can so make to a certain extent terminal and
When with AP to be accessed establish connection, and then guarantee that terminal carries out data transmission with AP to be accessed in time.
Further, as shown in Fig. 2, in the embodiment of the present invention, AP can also include storage unit 12, and terminal can also wrap
Include storage unit 22.Association request message, the associate response message, unicast beacon frame, broadcast beacon of AP and terminal in interaction
Frame etc. can be stored in the storage unit 12 of AP and the storage unit 22 of terminal.
In the embodiment of the present invention, AP is specifically as follows simple form AP or extended pattern AP.Wherein, simple form AP is only responsible for terminal
Access, usually as Wireless LAN extend use, that is, expand Wireless LAN coverage area.And extended pattern AP is negative
Blame the access and routing work of terminal, the usually core of Wireless LAN.
Terminal can be wireless terminal.Such as terminal can be smart phone, PC, tablet computer or e-book and read
Read device etc..
WLAN system based on the embodiment of the present invention, the embodiment of the present invention provide a kind of terminal association
The method of AP, as shown in figure 3, the method for terminal association AP may include:
S101, terminal send association request message to AP.
Wherein, the sender address of association request message is the address of terminal.
In the embodiment of the present invention, can have multiple by the terminal that AP provides service, in multiple terminal, including roam
Terminal and the terminal that does not roam.When a terminal is associated with AP for the first time, the terminal and the AP can execute the present invention
The method for the terminal association AP that embodiment provides completes terminal association AP process.When a terminal and AP progress re-association are (i.e. non-
It is associated for the first time) when, the method that the terminal and the AP can also execute terminal association AP provided in an embodiment of the present invention is completed
Terminal association AP process.
S102, AP receive the association request message that terminal is sent.
In the embodiment of the present invention, due to terminal needs and AP to be accessed is associated or re-association, in the terminal
With the AP be associated or re-association during, the terminal first to the AP send association request message, with request AP should
Terminal needs to be associated with the AP.
S103, in response to association request message, AP sends associate response message to terminal.
In the embodiment of the present invention, above-mentioned association request message can be association request frame or reassociation requests frame, above-mentioned
Associate response message can be association response frame or re-association response frame, the embodiment of the present invention are not especially limited.
When terminal and AP to be accessed are associated, above-mentioned association request message is association request frame, above-mentioned associated response
Message is association response frame.When terminal and AP to be accessed carry out re-association, above-mentioned association request message is reassociation requests frame,
Above-mentioned associate response message is re-association response frame.
S104, terminal receive the associate response message that AP is sent.
In the embodiment of the present invention, after AP receives the association request message that terminal is sent, if AP allows the terminal association,
AP responds the association request message, i.e. AP sends associate response message to the terminal.
Optionally, after AP receives the association request message that terminal is sent, if AP does not allow the terminal to access, AP will not
Responding the association request message, i.e. the AP will not send associate response message to the terminal, thus, if the terminal is in a period of time
Inside being not received by the associate response message of AP transmission, then the terminal needs to send association request message to the AP again, or
The terminal, which reenters network discovery process, to be found other and can establish the AP of connection.
S105, after sending associate response message, AP in preset duration to terminal send unicast beacon frame.
S106, terminal receive AP send associate response message after preset duration in, terminal receive AP send list
Broadcast beacon frame.
Wherein, the recipient address of the unicast beacon frame is the address of terminal.For example, if AP sends unicast letter to terminal A
Frame is marked, then the recipient address of the unicast beacon frame is the address of terminal A.
The address of above-mentioned terminal can be the physical address of terminal, such as the MAC Address of terminal.
In the embodiment of the present invention, beacon interval (the i.e. week of AP transmission broadcast beacon frame of the above-mentioned preset duration less than AP
Phase).
Illustratively, above-mentioned S105 and S106 can specifically have the possible implementation of following two.It is right by taking S105 as an example
Both possible implementations are illustratively illustrated.
One kind is possible to be achieved in that, AP sends unicast beacon frame to terminal immediately after sending associate response message.
Unicast beacon frame is sent immediately refers to the distributed frame interval (English: distributed after sending associate response message
Interframe space, abbreviation: DIFS) plus the minimum of competition window (English: contention window, abbreviation: CW)
Size (CWmin) unicast beacon frame is sent before.
The realization can make terminal after the associate response message for receiving AP transmission and send out next time receiving AP
Before the broadcast beacon frame sent, the unicast beacon frame of AP transmission can receive.
Alternatively possible is achieved in that, AP starts to carry out with other wlan devices after sending associate response message
Channel competition, and unicast beacon frame is sent to terminal after AP competition to channel.In this implementation, AP sends association
It is less than the beacon interval of AP after response message to the duration sent between broadcast beacon frame next time.
The realization can be improved terminal after the associate response message for receiving AP transmission and receive AP next time
Before the broadcast beacon frame of transmission, can receive AP transmission unicast beacon frame a possibility that.
If the AP does not obtain sending the chance of unicast beacon frame before AP sends broadcast beacon frame next time,
It can then cancel and send unicast beacon frame.
The method of terminal association AP provided in an embodiment of the present invention, since AP is after sending associate response message to terminal
In preset duration, which is that unicast beacon frame (the i.e. recipient address of the unicast beacon frame for being directed to the terminal is sent to terminal
For the address of the terminal), it can so guarantee that AP after sending associate response message, is sent to terminal immediately to a certain extent
The unicast beacon frame, therefore terminal is enabled to establish connection with AP to be accessed in time, thus guarantee terminal in time with it is to be accessed
AP carries out data transmission.
Optionally, in conjunction with Fig. 3, as shown in figure 4, in the method for terminal association AP provided in an embodiment of the present invention, in S106
Later, the method for terminal association AP can also include S107-S108:
S107, terminal send the acknowledgement frame of unicast beacon frame to AP.
S108, AP receive the acknowledgement frame for the unicast beacon frame that terminal is sent.
Beacon frame is usually broadcast frame, and broadcast frame is not usually required to recipient and replys acknowledgement frame.And unicast beacon frame is single
Frame is broadcast, the recipient of unicast frame can reply the acknowledgement frame of the unicast frame.Therefore, optionally, terminal is receiving AP transmission
After unicast beacon frame, terminal can also send the acknowledgement frame of the unicast beacon frame to AP, thus the list sent to AP confirmation AP
It broadcasts beacon frame and is accurately received by terminal.
The embodiment of the present invention provides a kind of AP, and the AP is used to execute step performed by the AP in above method.It is described
AP may include the functional unit or functional module for executing the corresponding steps of each method flow in above method embodiment.Specifically
, each functional unit or functional module that AP includes may refer to retouch the correlation of AP in above-mentioned embodiment as shown in Figure 2
It states.
Specifically, the division of the AP each functional unit for including or functional module is for realizing in the embodiment of the present invention
Method flow as shown in Figure 3 or Figure 4 in above method embodiment, in order to avoid repeating, details are not described herein.
The embodiment of the present invention provides a kind of AP, since AP is in the preset duration after sending associate response message to terminal,
The AP be to terminal send for the terminal unicast beacon frame (i.e. the recipient address of the unicast beacon frame be the terminal ground
Location), it can so guarantee that AP after sending associate response message, sends the unicast beacon to terminal immediately to a certain extent
Frame, therefore terminal is enabled to establish connection with AP to be accessed in time, to guarantee that terminal carries out data with AP to be accessed in time
Transmission.
As shown in figure 5, the embodiment of the present invention provides a kind of AP, which includes: at least one processor 30 and transceiver 31.
At least one described processor 30 and the transceiver 31 connect.
At least one described processor 30 is executed in above method embodiment by the transceiver 31 such as Fig. 3 or Fig. 4 institute
The method of the terminal association AP stated.The method of specific terminal association AP can be found in above-mentioned embodiment as shown in Figure 3 or Figure 4
Associated description, details are not described herein again.
Optionally, as shown in figure 5, AP provided in an embodiment of the present invention can also include memory 32 and bus 33.It is described
It is connected and is completed each other by the bus 33 between at least one processor 30, the transceiver 31 and the memory 32
Communication.
At least one described processor 30 can be central processing unit (English: central processing unit, contracting
It writes: CPU).At least one described processor 30 can also for other general processors, digital signal processor (English:
Digital signal processing, abbreviation DSP), specific integrated circuit (English: application specific
Integrated circuit, abbreviation ASIC), field programmable gate array (English: field-programmable gate
Array, abbreviation FPGA), other programmable logic device, discrete gate, transistor logic or discrete hardware components etc..It is logical
It can be microprocessor with processor or the processor be also possible to any conventional processor etc..At least one described processing
Any combination of device 30 or above-mentioned device.
At least one described processor 30 can also include application specific processor, which may include Base-Band Processing
Chip and/or radio frequency processing chip.Further, baseband processing chip and/or radio frequency processing chip can also be with other processing
Device, such as CPU are incorporated into a chip.
The memory 32 may include volatile memory (English: volatile memory), such as arbitrary access is deposited
Reservoir (English: random-access memory, abbreviation: RAM)；The memory 32 also may include nonvolatile memory
(English: non-volatile memory), such as read-only memory (English: read-only memory, abbreviation: ROM), fastly
Flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state hard disk (English
Text: solid-state drive, abbreviation: SSD)；The memory 32 can also include the combination of the memory of mentioned kind.
For clear explanation in the present embodiment, various buses are all illustrated as bus 33 in Fig. 5.
The transceiver 31 can be wireless transceiver.For example, wireless transceiver can be the antenna etc. of AP.It is described at least
The transmitting-receiving that one processor 30 passes through progress data between the transceiver 31 and other equipment, such as terminal.
During specific implementation, each step in above-mentioned method flow as shown in Figure 3 or Figure 4 can pass through hardware
The computer program that the processor 30 of form executes the software form stored in memory 32 is realized.To avoid repeating, herein not
It repeats again.
The embodiment of the present invention provides a kind of computer readable storage medium, is stored with one in the computer readable storage medium
A or multiple programs, at least one processor of AP is by executing the one or more program, thereby executing above-mentioned such as Fig. 3 or figure
The method of terminal association AP shown in 4.
The embodiment of the present invention provides a kind of AP, since AP is in the preset duration after sending associate response message to terminal,
The AP be to terminal send for the terminal unicast beacon frame (i.e. the recipient address of the unicast beacon frame be the terminal ground
Location), it can so guarantee that AP after sending associate response message, sends the unicast beacon to terminal immediately to a certain extent
Frame, therefore terminal is enabled to establish connection with AP to be accessed in time, to guarantee that terminal carries out data transmission with AP in time.
The present invention provides a kind of WLAN system, which includes AP and terminal.For example, this
The WLAN system that inventive embodiments provide can be WLAN system as shown in Figure 1.Wherein, this is wireless
In LAN system, the quantity of AP can be it is multiple, the quantity of terminal may be multiple.
In WLAN system provided in an embodiment of the present invention, for the description of AP, for details, reference can be made to above-mentioned such as Fig. 5
Shown in embodiment to the associated description of AP, details are not described herein again.
In WLAN system provided in an embodiment of the present invention, AP and terminal pass through the execution above method respectively and implement
Corresponding steps in example in method flow as shown in Figure 3 or Figure 4 complete the side of terminal association AP provided in an embodiment of the present invention
Method.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds
Block is completed, i.e., the internal structure of device is divided into different functional modules, to complete all or part of function described above
Energy.The specific work process of the system, apparatus, and unit of foregoing description, can be with reference to corresponding in preceding method embodiment
Journey, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or
The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit
Indirect coupling or communication connection.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member can be realized in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, all or part of the technical solution
It can be embodied in the form of software products, which is stored in a storage medium, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) or processor execute
All or part of the steps of the method according to each embodiment of the present invention.The storage medium may include: flash memory, movement
The various media that can store program code such as hard disk, read-only memory, random access memory, magnetic or disk.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. a kind of method of terminal association access point AP characterized by comprising
AP receives the association request message that terminal is sent；
In response to the association request message, the AP sends associate response message to the terminal；
After sending the associate response message, the AP sends unicast beacon frame to the terminal in preset duration, described
The recipient address of unicast beacon frame is the address of the terminal；
The preset duration is less than the beacon interval of the AP, and the beacon interval of the AP is the week that AP sends broadcast beacon frame
Phase.
2. the method according to claim 1, wherein the AP sends unicast to the terminal in preset duration
After beacon frame, the method also includes:
The AP receives the acknowledgement frame for the unicast beacon frame that the terminal is sent.
3. a kind of access point AP characterized by comprising
Receiving unit, for receiving the association request message of terminal transmission；
Transmission unit, in response to the association request message, Xiang Suoshu terminal to send associate response message, and is sending institute
After stating associate response message, unicast beacon frame, the recipient of the unicast beacon frame are sent to the terminal in preset duration
Address is the address of the terminal, and the preset duration is less than the beacon interval of the AP, and the beacon interval of the AP is AP hair
Send the period of broadcast beacon frame.
4. AP according to claim 3, which is characterized in that
The receiving unit is also used to send the unicast beacon frame to the terminal in preset duration in the transmission unit
Later, the acknowledgement frame for the unicast beacon frame that the terminal is sent is received.
5. a kind of access point AP, which is characterized in that including at least one processor and transceiver；
At least one described processor, for receiving the association request message that terminal is sent by the transceiver；And in response to
The association request message sends associate response message to the terminal by the transceiver；And sending the association
After response message, unicast beacon frame, the unicast beacon frame are sent to the terminal by the transceiver in preset duration
Recipient address be the terminal address, the preset duration is less than the beacon interval of the AP, between the beacon of the AP
It is divided into the period that AP sends broadcast beacon frame.
6. AP according to claim 5, which is characterized in that
At least one described processor passes through institute after being also used in preset duration send unicast beacon frame to the terminal
State the acknowledgement frame that transceiver receives the unicast beacon frame that the terminal is sent.
7. a kind of WLAN system, which is characterized in that including the access point as described in claim 3 to 6 any one
AP, and with the associated terminal of the AP.
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| CN109922506A (en) * | 2017-12-13 | 2019-06-21 | 中兴通讯股份有限公司 | Switching method, AP and AP collaborative work controller between AP |
| KR102443628B1 (en) * | 2017-12-22 | 2022-09-15 | 삼성전자 주식회사 | Electronic apparatus and control method thereof |
| CN113518339B (en) * | 2020-04-10 | 2022-10-18 | 华为技术有限公司 | Terminal roaming method and device and computer readable storage medium |
| CN112650652B (en) * | 2021-01-18 | 2021-07-23 | 深圳市安信达存储技术有限公司 | High-stability and large-capacity solid state disk processing method and system |
| CN115884237A (en) * | 2021-09-27 | 2023-03-31 | 华为技术有限公司 | Association method, AP and STA in WLAN |
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| KR100490429B1 (en) * | 2003-04-25 | 2005-05-17 | 삼성전자주식회사 | System and method for managing the association of device to a piconet |
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