CN105792291B - A kind of method and radio reception device of channel switching - Google Patents
A kind of method and radio reception device of channel switching Download PDFInfo
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- CN105792291B CN105792291B CN201410809093.2A CN201410809093A CN105792291B CN 105792291 B CN105792291 B CN 105792291B CN 201410809093 A CN201410809093 A CN 201410809093A CN 105792291 B CN105792291 B CN 105792291B
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Abstract
The embodiment of the invention discloses the methods and radio reception device of a kind of switching of channel, the method comprise the steps that obtaining the probe request that terminal is sent, the probe request carries channel switching declaration mark；When determining that the terminal supports channel switching to declare according to channel switching declaration mark, select the mode of channel switching declaration that the terminal is notified to carry out channel switching；When determining that the terminal does not support channel switching declaration according to channel switching declaration mark, the mode of selection disassociation frame notifies the terminal to carry out channel switching.Using the present invention, it is possible to reduce do not support the business interruption time of the user terminal of channel switching declaration, to improve the business experience of network delay sensitive kinds business.
Description
Technical field
A kind of method and radio reception device switched the present invention relates to field of communication technology more particularly to channel.
Background technique
When AP (Wireless access points, radio reception device) detects radar signal or evades interference
When, need to be switched to the channel of no radar signal or better quality of eating dishes without rice or wine, to improve the business experience of user.AP switches channel
Afterwards, user terminal needs after perceiving connected AP and having left user terminal working channel, and user terminal can just be swept again
Channel is retouched, it is online to be associated with again.It is rescaned again since user terminal will not only perceive connected AP and leave channel
Line, it is possible that the business interruption time that will lead to user terminal is too long, at this point, will make to the more sensitive business of network delay
At large effect, such as voice communication etc..
In the prior art, 802.11n provides channel switching declaration (Channel Switch Announcement) rule
Model can support AP notice user terminal switching channel when channel switching, so as to reduce business interruption time.But
It is the user terminal for not supporting channel switching declaration, it is still desirable to have left user terminal work perceiving connected AP
After making channel, channel can be just rescaned, it is online to be associated with again.Therefore, for not supporting the user of channel switching declaration whole
End, it is too long to still result in the teleservice break period, larger so as to cause causing to the more sensitive business of network delay
Influence.
Summary of the invention
The embodiment of the present invention provides the method and radio reception device of a kind of channel switching, it is possible to reduce does not support channel
Switch the business interruption time of the user terminal of declaration.
First aspect present invention provides a kind of method of channel switching, comprising:
The probe request that terminal is sent is obtained, the probe request carries channel switching declaration mark；
When determining that the terminal supports channel switching to declare according to channel switching declaration mark, channel is selected to cut
The mode for changing declaration notifies the terminal to carry out channel switching；
When determining that the terminal does not support channel switching declaration according to channel switching declaration mark, select to release
The mode of disassociation frame notifies the terminal to carry out channel switching.
In the first possible implementation, the probe request for obtaining terminal and sending, comprising:
Receive the probe request that terminal is sent；
The channel switching declaration mark in the probe request is extracted, and stores the channel switching declaration mark.
The possible implementation of with reference to first aspect the first is mentioned described in the second possible implementation
The channel in the probe request is taken to switch declaration mark, and after the step of storing the channel switching declaration mark, also
Include:
It needs to switch channel when detecting, identifies the channel switching declaration mark stored；
When identifying that the channel switching declaration is identified as the first character mark, determine that the terminal supports channel switching
Declaration；
When identifying that the channel switching declaration is identified as the second character mark, determine that the terminal does not support channel to cut
Change declaration.
With reference to first aspect, in the third possible implementation, described when according to channel switching declaration mark
When determining that the terminal supports channel switching declaration, select the mode of channel switching declaration that the terminal is notified to carry out channel and cut
It changes, specifically includes:
When determining that the terminal supports channel switching to declare according to channel switching declaration mark, transmission is carried
The channel switching declaration frame of channel information after switching is to the terminal, so that the terminal is believed according to the channel after the switching
Breath carries out channel switching.
With reference to first aspect, in the fourth possible implementation, described when according to channel switching declaration mark
When determining that the terminal does not support channel switching declaration, select the mode of disassociation frame that the terminal is notified to carry out channel and cut
It changes, specifically includes:
When determining that the terminal does not support channel switching declaration according to channel switching declaration mark, unicast transmission
Disassociation frame is cut to the terminal so that the terminal rescans channel according to the disassociation frame with carrying out channel
It changes.
Second aspect of the present invention provides a kind of radio reception device, comprising:
Module is obtained, for obtaining the probe request of terminal transmission, the probe request carries channel switching a surname
Accuse mark；
First switching notice module declares that mark determines that the terminal supports channel for working as to switch according to the channel
When switching declaration, select the mode of channel switching declaration that the terminal is notified to carry out channel switching；
Second switching notice module declares that mark determines that the terminal is not supported to believe for working as to switch according to the channel
When road switching declaration, select the mode of disassociation frame that the terminal is notified to carry out channel switching.
In the first possible implementation, the acquisition module includes:
Receiving unit, for receiving the probe request of terminal transmission；
Storage unit is extracted, for extracting the switching declaration mark of the channel in the probe request, and stores the letter
Road switching declaration mark.
In conjunction with the first possible implementation of second aspect, in the second possible implementation, the acquisition
Module further include:
Recognition unit identifies the channel switching declaration mark stored for needing to switch channel when detecting；
Determination unit, for determining the end when identifying that the channel switching declaration is identified as the first character mark
Support channel switching declaration in end；
The determination unit is also used to determine when identifying that the channel switching declaration is identified as the second character mark
The terminal does not support channel switching declaration.
In conjunction with second aspect, in the third possible implementation, the first switching notice module, specifically for working as
When determining that the terminal supports channel switching to declare according to channel switching declaration mark, the letter after carrying switching is sent
The channel switching declaration frame of road information is to the terminal, so that the terminal carries out channel according to the channel information after the switching
Switching.
In conjunction with second aspect, in the fourth possible implementation, the second switching notice module, specifically for working as
When determining that the terminal does not support channel switching declaration according to channel switching declaration mark, unicast transmission disassociation frame
To the terminal, so that the terminal rescans channel according to the disassociation frame to carry out channel switching.
Therefore the embodiment of the present invention is by obtaining the switching declaration of channel entrained by the probe request that terminal is sent
Mark can switch declaration mark according to channel and determine whether terminal supports channel switching declaration, if terminal supports channel to cut
Declaration is changed, then the mode that can choose channel switching declaration notifies terminal to carry out channel switching, otherwise can choose disassociation
The mode of frame notifies terminal to carry out channel switching, channel is not supported to cut so as to effectively reduce by way of disassociation frame
The business interruption time of the terminal of declaration is changed, to improve the business experience of network delay sensitive kinds business.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of the method for channel switching provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of the method for another channel switching provided in an embodiment of the present invention
Fig. 3 is a kind of structural schematic diagram of radio reception device provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram for obtaining module provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another radio reception device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It referring to Figure 1, is the flow diagram for the method that a kind of channel provided in an embodiment of the present invention switches, the method
May include:
S101, obtains the probe request that terminal is sent, and the probe request carries channel switching declaration mark；
Specifically, some selected network of user, the end can be added according to the clicking operation of user in the terminal
Before the network is added, the terminal can first fill channel switching a surname in probe requests thereby (Probe request) frame at end
Mark is accused, at this point, the spy for carrying the channel switching declaration mark that the available terminal of the radio reception device is sent
Claim frame is surveyed, the radio reception device can extract and store the channel switching declaration mark, wirelessly connect in order to described
Entering equipment can determine whether the terminal supports channel to cut according to the channel switching declaration mark stored when switching channel
Change declaration.The terminal, can also be in other numbers other than it can fill channel switching declaration mark in probe request
According to channel switching declaration mark is filled in frame, so that the radio reception device can also obtain the letter by other data frames
Road switching declaration mark.
S102, when determining that the terminal supports channel switching to declare according to channel switching declaration mark, selection
The mode of channel switching declaration notifies the terminal to carry out channel switching；
Specifically, when radio reception device detect need to switch channel when, that is, illustrate that radio reception device may detect
To radar signal or evade interference, at this point, the radio reception device can be true according to the channel switching declaration mark stored
Whether the fixed terminal supports channel switching declaration, however, it is determined that the terminal supports channel switching declaration, then can choose channel
The step of mode of switching declaration notifies the terminal to carry out channel switching, otherwise executes S103.The channel switching declaration
Mode refers to that the radio reception device sends channel switching declaration information to the terminal, and the channel switching is declared in information
Channel information after carrying switching；The terminal can parse received channel switching declaration information, described in extracting
Channel information after switching, and switch to channel corresponding to the channel information after the switching.
S103 is selected when determining that the terminal does not support channel switching declaration according to channel switching declaration mark
The mode for selecting disassociation frame notifies the terminal to carry out channel switching；
Specifically, the mode that then can choose disassociation frame is logical if it is determined that the terminal does not support channel switching declaration
Know that the terminal carries out channel switching.The mode of the disassociation frame refers to that the radio reception device unicast sends to release and closes
Joining frame to the terminal, the terminal can disconnect the connection with the radio reception device according to the disassociation frame, and
Channel is rescaned, to carry out channel switching, that is, reselects new radio reception device access.Due to not supporting channel to switch
The terminal of declaration can disconnect with the radio reception device immediately according to the disassociation frame and start to rescan
Channel, so the terminal of channel switching declaration is not supported to be not necessarily to leave channel just until perceiving connected radio reception device
Start to rescan channel, so the mode of disassociation frame can be reduced in the business for the terminal for not supporting channel switching declaration
Disconnected duration.
Therefore the embodiment of the present invention is by obtaining the switching declaration of channel entrained by the probe request that terminal is sent
Mark can switch declaration mark according to channel and determine whether terminal supports channel switching declaration, if terminal supports channel to cut
Declaration is changed, then the mode that can choose channel switching declaration notifies terminal to carry out channel switching, otherwise can choose disassociation
The mode of frame notifies terminal to carry out channel switching, channel is not supported to cut so as to effectively reduce by way of disassociation frame
The business interruption time of the terminal of declaration is changed, to improve the business experience of network delay sensitive kinds business.
Fig. 2 is referred to again, is the flow diagram of the method for another channel switching provided in an embodiment of the present invention, it is described
Method may include:
S201 receives the probe request that terminal is sent；
Specifically, some selected network of user, the end can be added according to the clicking operation of user in the terminal
End is before being added the network, and the terminal can first fill channel switching declaration mark in probe request, at this point, described
What the available terminal of radio reception device was sent carries the probe request of the channel switching declaration mark.
S202 extracts the channel switching declaration mark in the probe request, and stores the channel switching declaration mark
Know；
Specifically, the radio reception device after receiving the probe request, can extract and store the letter
Road switching declaration mark, in order to which the radio reception device can be according to the channel switching declaration stored when switching channel
Mark determines whether the terminal supports channel switching declaration.For example, Extended can be used in the radio reception device
One bit in reserved field in Capability element (extended capability element) declare to store the channel switching
Accuse mark.
S203 needs to switch channel when detecting, identifies the channel switching declaration mark stored；
S204 determines that the terminal supports letter when identifying that the channel switching declaration is identified as the first character mark
Road switching declaration；
S205 determines that the terminal is not supported when identifying that the channel switching declaration is identified as the second character mark
Channel switching declaration；
Specifically, can be executed when S203 step identifies that the channel switching declaration is identified as the first character mark
The step of S204, determines that the terminal supports channel switching declaration；When S203 step identifies the channel switching declaration mark
Know when being the second character mark, the step of can executing S205 determines that the terminal does not support channel switching declaration.For example,
Channel switching declaration mark can indicate with " 0 " or " 1 ", and set set as the first character mark, and equipment " 0 " is the
Two character marks can determine the end when the radio reception device identifies that the channel switching declaration is identified as " 1 "
Support channel switching declaration in end；It, can be true when the radio reception device identifies that the channel switching declaration is identified as " 0 "
The fixed terminal does not support channel switching declaration.
S206 sends the channel switching declaration frame of the channel information after carrying switching to the terminal, so that the end
End carries out channel switching according to the channel information after the switching；
Specifically, the step of S206 can be executed after S204 step, i.e., when according to channel switching declaration mark
When determining that the terminal supports channel switching declaration, the mode that the radio reception device can choose channel switching declaration is logical
Know that the terminal carries out channel switching, i.e., the described radio reception device transmission channel switching declaration information is described to the terminal
The channel information after switching is carried in channel switching declaration information；The terminal can parse received channel switching a surname
Information is accused, to extract the channel information after the switching, and switches to channel corresponding to the channel information after the switching.
S207, unicast send disassociation frame to the terminal so that the terminal according to the disassociation frame again
Channel is scanned to carry out channel switching；
Specifically, the step of S207 can be executed after S205 step, i.e., when according to channel switching declaration mark
When determining that the terminal does not support channel switching declaration, the mode that the radio reception device can choose disassociation frame is logical
Know that the terminal carries out channel switching, i.e., the described radio reception device unicast sends disassociation frame to the terminal, the end
End can disconnect the connection with the radio reception device according to the disassociation frame, and rescan channel, to carry out letter
Road switching reselects new radio reception device access.Due to not supporting the terminal of channel switching declaration according to the solution
Except disassociation frame can be disconnected with the radio reception device immediately and start to rescan channel, so not supporting channel to cut
The terminal for changing declaration is not necessarily to just start to rescan channel until the connected radio reception device of perception has left channel, so
The mode of disassociation frame can reduce the service disconnection duration for not supporting the terminal of channel switching declaration.
Preferably, the radio reception device provided in an embodiment of the present invention can be attached with multiple terminals, described
Radio reception device can store the corresponding channel switching declaration mark of each terminal in the multiple terminal, when the nothing
Line access device detects when needing to switch channel, can first be determined according to the multiple channels switching declaration mark stored described in
With the presence or absence of the terminal that can support channel switching declaration in multiple terminals, and if it exists, then first carried to described in whole terminal broadcasts
The channel switching declaration information of channel information after having switching, so that supporting what channel switching was declared in the multiple terminal
Terminal can switch declaration information according to the channel and carry out channel switching；The radio reception device is cut in the broadcast channel
It, can be again respectively to not supporting the terminal unicast of channel switching declaration to send disassociation frame, so that not propping up after changing declaration information
Hold channel switching declaration terminal can be disconnected according to the disassociation frame with the connection of the radio reception device, and again
Channel is scanned to carry out channel switching.Optionally, described wireless when the radio reception device, which detects, to be needed to switch channel
Access device can also be first to not supporting the terminal unicast of channel switching declaration to send disassociation frame, then to whole terminal broadcasts
The channel switching declaration information for carrying the channel information after switching.Optionally, when the radio reception device detects
Need to switch channel, and when whole terminals all support channel switching to declare, as long as the radio reception device is wide to whole terminals
Broadcast the channel switching declaration information for carrying the channel information after switching.Optionally, when the radio reception device
It detects and needs to switch channel, and when whole terminal does not support channel switching declaration, as long as the radio reception device Xiang Quan
Portion's terminal distinguishes unicast and sends the disassociation frame.Since channel switches mode of the mode than disassociation frame of declaration
More business interruption times can be reduced, so in the multiple terminal, simply by the presence of the end for supporting channel switching declaration
End, so that it may which the preferential mode using channel switching declaration notifies that the terminal of channel switching declaration can be supported to carry out channel switching.
Therefore the embodiment of the present invention is by obtaining the switching declaration of channel entrained by the probe request that terminal is sent
Mark can switch declaration mark according to channel and determine whether terminal supports channel switching declaration, if terminal supports channel to cut
Declaration is changed, then the mode that can choose channel switching declaration notifies terminal to carry out channel switching, otherwise can choose disassociation
The mode of frame notifies terminal to carry out channel switching, channel is not supported to cut so as to effectively reduce by way of disassociation frame
The business interruption time of the terminal of declaration is changed, to improve the business experience of network delay sensitive kinds business.
Fig. 3 is referred to, is a kind of structural schematic diagram of radio reception device provided in an embodiment of the present invention, it is described wirelessly to connect
Entering equipment 1 may include: to obtain module 10, the first switching notice module 20, the second switching notice module 30；
The acquisition module 10, for obtaining the probe request of terminal transmission, the probe request carries channel
Switching declaration mark；
Specifically, some selected network of user, the end can be added according to the clicking operation of user in the terminal
End is before being added the network, and the terminal can first fill channel switching declaration mark in probe request, at this point, described
Obtain the probe request for carrying the channel switching declaration mark that the available terminal of module 10 is sent, the acquisition mould
Block 10 can also extract and store the channel switching declaration mark, in order to which the radio reception device 1 is when switching channel
It can determine whether the terminal supports channel switching declaration according to the channel switching declaration mark stored.The terminal in addition to
It can be filled in probe request other than channel switching declaration mark, channel switching a surname can also be filled in other data frames
Mark is accused, so that the acquisition module 10 can also obtain the channel switching declaration mark by other data frames.
The first switching notice module 20 declares that mark determines the terminal branch for working as to switch according to the channel
When holding channel switching declaration, select the mode of channel switching declaration that the terminal is notified to carry out channel switching；
Specifically, when radio reception device 1 detect need to switch channel when, that is, illustrate that radio reception device 1 may inspection
It measures radar signal or evades interference, at this point, the module 10 that obtains can be true according to the channel switching declaration mark stored
Whether the fixed terminal supports channel switching declaration, if the acquisition module 10 determines that the terminal supports channel switching declaration,
The mode that then the first switching notice module 20 can choose channel switching declaration notifies the terminal to carry out channel switching；If
The acquisition module 10 determines that the terminal does not support channel switching declaration, then executes phase by the second switching notice module 30
It should operate.Wherein, the first switching notice module is specifically used for described when being determined according to channel switching declaration mark
When terminal supports channel switching declaration, the channel switching declaration frame of the channel information after carrying switching is sent to the terminal,
So that the terminal can parse received channel switching declaration information, to extract the channel information after the switching, and
Channel corresponding to channel information after switching to the switching.
The second switching notice module 30 declares that mark determines the terminal not for working as to switch according to the channel
When supporting channel switching declaration, select the mode of disassociation frame that the terminal is notified to carry out channel switching；
Specifically, if the acquisition module 10 determines that the terminal does not support channel switching declaration, second switching
The mode that notification module 30 can choose disassociation frame notifies the terminal to carry out channel switching.Wherein, second switching
Notification module is specifically used for when determining that the terminal does not support channel switching declaration according to channel switching declaration mark,
Unicast send disassociation frame arrive the terminal, allow the terminal according to the disassociation frame disconnect with it is described wirelessly
The connection of access device 1, and channel is rescaned, to carry out channel switching, that is, reselects new radio reception device 1 and connect
Enter.Due to do not support channel switching declaration terminal according to the disassociation frame can immediately with the radio reception device 1
It disconnects and starts to rescan channel, so the terminal of channel switching declaration is not supported to be not necessarily to until perceiving connected nothing
Line access device 1 has left channel and has just started to rescan channel, does not support to believe so the mode of disassociation frame can be reduced
The service disconnection duration of the terminal of road switching declaration.
Preferably, the radio reception device 1 provided in an embodiment of the present invention can be attached with multiple terminals, described
Obtaining module 10 can store the corresponding channel switching declaration mark of each terminal in the multiple terminal, when described wireless
Access device 1 detects when needing to switch channel, and the module 10 that obtains can be according to the multiple channels switching declaration stored
Mark determines in the multiple terminal with the presence or absence of the terminal that can support channel switching declaration, and if it exists, then first switching
Notification module 20 is first to the channel switching declaration information for carrying the channel information after switching described in whole terminal broadcasts, so that institute
Stating the terminal for supporting channel switching declaration in multiple terminals can cut according to channel switching declaration information progress channel
It changes；The first switching notice module 20 is after broadcasting the channel switching declaration information, the second switching notice module 30
It can be again respectively to not supporting the terminal unicast of channel switching declaration to send disassociation frame, so that not supporting channel switching declaration
Terminal can be disconnected according to the disassociation frame with the connection of the radio reception device 1, and rescan channel with into
The switching of row channel.It optionally, can also be first by described second when the radio reception device 1, which detects, to be needed to switch channel
Switching notice module 30 is logical to the terminal unicast transmission disassociation frame for not supporting channel switching declaration, then by first switching
Know module 20 to the channel switching declaration information for carrying the channel information after switching described in whole terminal broadcasts.Optionally, when
The radio reception device 1, which detects, needs to switch channel, and when whole terminal all supports channel switching declaration, need to be by described
First switching notice module 20 declares information to the channel switching for carrying the channel information after switching described in whole terminal broadcasts
?.Optionally, need to switch channel when the radio reception device 1 detects, and whole terminals do not support channel to switch
When declaration, only the disassociation frame need to be sent from the second switching notice module 30 to the difference unicast of whole terminals.
Since the mode of channel switching declaration can reduce more business interruption times than the mode of disassociation frame, so described
In multiple terminals, simply by the presence of the terminal for supporting channel switching declaration, so that it may preferentially by the first switching notice module 20
It notifies that the terminal of channel switching declaration can be supported to carry out channel switching by way of channel switching declaration.
Further, then Fig. 4 is referred to, is a kind of structural schematic diagram for obtaining module provided in an embodiment of the present invention, institute
Stating and obtaining module 10 may include: receiving unit 101, extraction storage unit 102, recognition unit 103, determination unit 104；
The receiving unit 101, for receiving the probe request of terminal transmission；
The extraction storage unit 102 for extracting the switching declaration mark of the channel in the probe request, and stores
The channel switching declaration mark；
Specifically, the receiving unit 101, after receiving the probe request, the extraction storage unit 102 can
To extract and store the channel switching declaration mark, in order to which the radio reception device 1 can basis when switching channel
The channel switching declaration mark stored determines whether the terminal supports channel switching declaration.For example, the extraction storage is single
Member 102 can be used one bit in the reserved field in Extended Capability element to store the letter
Road switching declaration mark.
The recognition unit 103 needs to switch channel for that ought detect, identifies the channel switching declaration stored
Mark；
The determination unit 104, for determining when identifying that the channel switching declaration is identified as the first character mark
The terminal supports channel switching declaration；
The determination unit 104 is also used to when identifying that the channel switching declaration is identified as the second character mark, really
The fixed terminal does not support channel switching declaration；
Specifically, when the recognition unit 103 identifies that the channel switching declaration is identified as the first character mark, it is described
Determination unit 104 can determine that the terminal supports channel switching declaration；The recognition unit 103 identifies the channel switching
When declaration is identified as the second character mark, the determination unit 104 can determine that the terminal does not support channel switching declaration.Example
Such as, the channel switching declaration mark can be indicated with " 0 " or " 1 ", and set set as the first character mark, and equipment " 0 " is
Second character mark, when the recognition unit 103 identifies that the channel switching declaration is identified as " 1 ", the determination unit
104 can determine that the terminal supports channel switching declaration；When the recognition unit 103 identifies the channel switching declaration mark
When knowledge is " 0 ", the determination unit 104 can determine that the terminal does not support channel switching declaration.
Therefore the embodiment of the present invention is by obtaining the switching declaration of channel entrained by the probe request that terminal is sent
Mark can switch declaration mark according to channel and determine whether terminal supports channel switching declaration, if terminal supports channel to cut
Declaration is changed, then the mode that can choose channel switching declaration notifies terminal to carry out channel switching, otherwise can choose disassociation
The mode of frame notifies terminal to carry out channel switching, channel is not supported to cut so as to effectively reduce by way of disassociation frame
The business interruption time of the terminal of declaration is changed, to improve the business experience of network delay sensitive kinds business.
Fig. 5 is referred to again, is the structural schematic diagram of another radio reception device provided in an embodiment of the present invention, the nothing
Line access device 1 may include processor 1001, communication interface 1002 and the (processing in radio reception device 1 of memory 1003
The quantity of device 1001 can be to be one or more, in Fig. 5 by taking a processor 1001 as an example).In some embodiments of the present invention,
Processor 1001, communication interface 1002 and memory 1003 can be connected by communication bus or other modes, wherein Fig. 5 is with logical
It crosses for communication bus connection.
Wherein, the communication interface 1002, for being communicated with terminal；
The memory 1003 is for storing program；
The processor 1001 is for executing described program, to realize
The probe request that terminal is sent is obtained, the probe request carries channel switching declaration mark；
It needs to switch channel when detecting, and declaration mark is switched according to the channel and determines that the terminal supports channel
When switching declaration, select the mode of channel switching declaration that the terminal is notified to carry out channel switching；
It needs to switch channel when detecting, and declaration mark is switched according to the channel and determines that the terminal is not supported to believe
When road switching declaration, select the mode of disassociation frame that the terminal is notified to carry out channel switching.
Wherein, the processor 1001 is specifically used for:
Receive the probe request that terminal is sent；
The channel switching declaration mark in the probe request is extracted, and stores the channel switching declaration mark.
Wherein, the processor 1001 is also used to:
It needs to switch channel when detecting, identifies the channel switching declaration mark stored；
When identifying that the channel switching declaration is identified as the first character mark, determine that the terminal supports channel switching
Declaration；
When identifying that the channel switching declaration is identified as the second character mark, determine that the terminal does not support channel to cut
Change declaration.
Wherein, the processor 1001 is specifically used for:
When determining that the terminal supports channel switching to declare according to channel switching declaration mark, transmission is carried
The channel switching declaration frame of channel information after switching is to the terminal, so that the terminal is believed according to the channel after the switching
Breath carries out channel switching.
Wherein, the processor 1001 is specifically used for:
When determining that the terminal does not support channel switching declaration according to channel switching declaration mark, unicast transmission
Disassociation frame is cut to the terminal so that the terminal rescans channel according to the disassociation frame with carrying out channel
It changes.
Therefore the embodiment of the present invention is by obtaining the switching declaration of channel entrained by the probe request that terminal is sent
Mark can switch declaration mark according to channel and determine whether terminal supports channel switching declaration, if terminal supports channel to cut
Declaration is changed, then the mode that can choose channel switching declaration notifies terminal to carry out channel switching, otherwise can choose disassociation
The mode of frame notifies terminal to carry out channel switching, channel is not supported to cut so as to effectively reduce by way of disassociation frame
The business interruption time of the terminal of declaration is changed, to improve the business experience of network delay sensitive kinds business.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (10)
1. a kind of method of channel switching characterized by comprising
The probe request that terminal is sent is obtained, the probe request carries channel switching declaration mark, and the channel is cut
It changes declaration mark and is used to indicate whether the terminal supports channel switching declaration；
When determining that the terminal supports channel switching to declare according to channel switching declaration mark, channel switching a surname is selected
The mode of announcement notifies the terminal to carry out channel switching；
When determining that the terminal does not support channel switching declaration according to channel switching declaration mark, selection disassociation
The mode of frame notifies the terminal to carry out channel switching.
2. the method as described in claim 1, which is characterized in that the probe request for obtaining terminal and sending, comprising:
Receive the probe request that terminal is sent；
The channel switching declaration mark in the probe request is extracted, and stores the channel switching declaration mark.
3. method according to claim 2, which is characterized in that switch a surname in the channel extracted in the probe request
Mark is accused, and after the step of storing the channel switching declaration mark, further includes:
It needs to switch channel when detecting, identifies the channel switching declaration mark stored；
When identifying that the channel switching declaration is identified as the first character mark, determine that the terminal supports channel switching a surname
It accuses；
When identifying that the channel switching declaration is identified as the second character mark, determine that the terminal does not support channel switching a surname
It accuses.
4. the method as described in claim 1, which is characterized in that the declaration mark that ought be switched according to the channel determines institute
When stating terminal support channel switching declaration, the mode for selecting channel switching to declare notifies the terminal to carry out channel switching, specifically
Include:
When determining that the terminal supports channel switching to declare according to channel switching declaration mark, transmission carries switching
The channel switching declaration frame of channel information afterwards to the terminal so that the terminal according to the channel information after the switching into
The switching of row channel.
5. the method as described in claim 1, which is characterized in that the declaration mark that ought be switched according to the channel determines institute
When stating terminal and not supporting channel switching declaration, select the mode of disassociation frame that the terminal is notified to carry out channel switching, specifically
Include:
When determining that the terminal does not support channel switching declaration according to channel switching declaration mark, unicast transmission is released
Disassociation frame is to the terminal, so that the terminal rescans channel according to the disassociation frame to carry out channel switching.
6. a kind of radio reception device characterized by comprising
Module is obtained, for obtaining the probe request of terminal transmission, the probe request carries channel switching declaration mark
Know, the channel switching declaration mark is used to indicate whether the terminal supports channel switching declaration；
First switching notice module declares that mark determines that the terminal supports channel to switch for working as to switch according to the channel
When declaration, select the mode of channel switching declaration that the terminal is notified to carry out channel switching；
Second switching notice module declares that mark determines that the terminal does not support channel to cut for working as to switch according to the channel
When changing declaration, select the mode of disassociation frame that the terminal is notified to carry out channel switching.
7. equipment as claimed in claim 6, which is characterized in that the acquisition module includes:
Receiving unit, for receiving the probe request of terminal transmission；
Storage unit is extracted, for extracting the switching declaration mark of the channel in the probe request, and the channel is stored and cuts
Change declaration mark.
8. equipment as claimed in claim 7, which is characterized in that the acquisition module further include:
Recognition unit identifies the channel switching declaration mark stored for needing to switch channel when detecting；
Determination unit, for determining the terminal branch when identifying that the channel switching declaration is identified as the first character mark
Hold channel switching declaration；
The determination unit is also used to when identifying that the channel switching declaration is identified as the second character mark, described in determination
Terminal does not support channel switching declaration.
9. equipment as claimed in claim 6, which is characterized in that
The first switching notice module declares that mark determines that the terminal is supported specifically for working as to switch according to the channel
When channel switching declaration, the channel switching declaration frame of the channel information after carrying switching is sent to the terminal, so that described
Terminal carries out channel switching according to the channel information after the switching.
10. equipment as claimed in claim 6, which is characterized in that
The second switching notice module declares that mark determines that the terminal is not propped up specifically for working as to switch according to the channel
When holding channel switching declaration, unicast sends disassociation frame to the terminal, so that the terminal is according to the disassociation frame
Channel is rescaned to carry out channel switching.
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| CN111010719A (en) * | 2019-12-23 | 2020-04-14 | 厦门安胜网络科技有限公司 | WiFi soft switching method and device used between wireless access points |
| CN113225783B (en) * | 2021-04-29 | 2022-09-02 | 海信视像科技股份有限公司 | Automatic channel switching method and display equipment |
| CN114980235B (en) * | 2022-07-29 | 2022-12-09 | 荣耀终端有限公司 | Communication method, electronic equipment and storage medium |
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Effective date of registration: 20211221 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: xFusion Digital Technologies Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |