CN105792291A - Channel switching method and wireless access device - Google Patents
Channel switching method and wireless access device Download PDFInfo
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- CN105792291A CN105792291A CN201410809093.2A CN201410809093A CN105792291A CN 105792291 A CN105792291 A CN 105792291A CN 201410809093 A CN201410809093 A CN 201410809093A CN 105792291 A CN105792291 A CN 105792291A
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Abstract
The embodiments of the invention disclose a channel switching method and a wireless access device. The method comprises acquiring a probe request frame sent by a terminal, the probe request frame carrying a channel switch announcement identifier; when it is determined that the terminal supports channel switch announcements according to the channel switch announcement identifier, notifying the terminal to switch channels by means of channel switch announcements; and when it is determined that the terminal does not support channel switch announcements according to the channel switch announcement identification, notifying the terminal to switch channels by means of removing associated frames. With adoption of the method and the device, service interruption time of user terminals which do not support channel switch announcements can be reduced, and thus service experience of network delay sensitive services is improved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method and the radio reception device of the switching of a kind of channel.
Background technology
When AP (Wirelessaccesspoints, radio reception device) detects radar signal or evades interference, it is necessary to be switched to the channel without radar signal or better quality of eating dishes without rice or wine, to improve the business experience of user.AP switches after channel, and user terminal needs perceiving after the AP connected have left user terminal working channel, and user terminal just can rescan channel, reaches the standard grade again to associate.Not only want the AP that perception connects to leave channel to rescan again reach the standard grade due to user terminal, it is possible that can cause that the service outage duration of user terminal is long, now, it will the more sensitive business of network delay is caused large effect, for instance voice call etc..
In prior art, 802.11n provides channel switching declaration (ChannelSwitchAnnouncement) specification, it is possible to support AP informing user terminal switching channel when channel switches, such that it is able to reduce service outage duration.But for not supporting the user terminal of channel switching declaration, it is still desirable to perceiving after the AP connected have left user terminal working channel, just can rescan channel, reach the standard grade again to associate.Therefore, for not supporting the user terminal of channel switching declaration, the teleservice break period is still resulted in long, thus causing the more sensitive business of network delay is caused large effect.
Summary of the invention
The embodiment of the present invention provides method and the radio reception device of a kind of channel switching, it is possible to reduce do not support the service outage duration of the user terminal of channel switching declaration.
First aspect present invention provides the method for a kind of channel switching, including:
Obtaining the probe request that terminal sends, described probe request carries channel switching declaration mark；
When determining that described terminal supports channel switching declaration according to described channel switching declaration mark, the mode of channel switching declaration is selected to notify that described terminal carries out channel switching；
When determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, the mode of disassociation frame is selected to notify that described terminal carries out channel switching.
In the implementation that the first is possible, the probe request that described acquisition terminal sends, including:
Receive the probe request that terminal sends；
Extract the channel switching declaration mark in described probe request, and store described channel switching declaration mark.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible, channel in the described probe request of described extraction switching declaration mark, and after storing the step of described channel switching declaration mark, also include:
Need switching channel when detecting, identify stored described channel switching declaration mark；
When identifying the switching declaration of described channel and being designated the first character mark, it is determined that described terminal supports channel switching declaration；
When identifying the switching declaration of described channel and being designated the second character mark, it is determined that described terminal does not support channel switching declaration.
In conjunction with first aspect, in the implementation that the third is possible, described when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, select the mode of channel switching declaration to notify that described terminal carries out channel switching, specifically include:
When determining that described terminal supports channel switching declaration according to described channel switching declaration mark, send the channel switching declaration frame of the channel information after carrying switching to described terminal, so that described terminal carries out channel switching according to the channel information after described switching.
In conjunction with first aspect, in the 4th kind of possible implementation, described when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, select the mode of disassociation frame to notify that described terminal carries out channel switching, specifically include:
When determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, clean culture sends disassociation frame to described terminal, so that described terminal rescans channel to carry out channel switching according to described disassociation frame.
Second aspect present invention provides a kind of radio reception device, including:
Acquisition module, for obtaining the probe request that terminal sends, described probe request carries channel switching declaration mark；
First switching notice module, for when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, selecting the mode of channel switching declaration to notify that described terminal carries out channel switching；
Second switching notice module, for when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, selecting the mode of disassociation frame to notify that described terminal carries out channel switching.
In the implementation that the first is possible, described acquisition module includes:
Receive unit, for receiving the probe request that terminal sends；
Extract memory element, for extracting the channel switching declaration mark in described probe request, and store described channel switching declaration mark.
In conjunction with the first possible implementation of second aspect, in the implementation that the second is possible, described acquisition module also includes:
Recognition unit, for when detect need switching channel, identify stored described channel switching declaration mark；
Determine unit, for when identifying the switching declaration of described channel and being designated the first character mark, it is determined that described terminal supports channel switching declaration；
Described determine unit, be additionally operable to when identifying the switching declaration of described channel and being designated the second character mark, it is determined that described terminal does not support channel switching declaration.
In conjunction with second aspect, in the implementation that the third is possible, described first switching notice module, specifically for when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, send the channel switching declaration frame of the channel information after carrying switching to described terminal, so that described terminal carries out channel switching according to the channel information after described switching.
In conjunction with second aspect, in the 4th kind of possible implementation, described second switching notice module, specifically for when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, clean culture sends disassociation frame to described terminal, so that described terminal rescans channel to carry out channel switching according to described disassociation frame.
Therefore, the switching declaration mark of the channel entrained by probe request that the embodiment of the present invention sends by obtaining terminal, can determine whether terminal supports channel switching declaration according to channel switching declaration mark, if terminal supports channel switching declaration, the mode that then can select channel switching declaration notifies that terminal carries out channel switching, the mode of disassociation frame otherwise can be selected to notify that terminal carries out channel switching, such that it is able to effectively reduced the service outage duration of the terminal not supporting channel switching declaration by the mode of disassociation frame, to improve the business experience of network delay sensitive kinds business.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the method for a kind of channel switching that the embodiment of the present invention provides；
Fig. 2 is the schematic flow sheet of the method for the another kind of channel switching that the embodiment of the present invention provides
Fig. 3 is the structural representation of a kind of radio reception device that the embodiment of the present invention provides；
Fig. 4 is the structural representation of a kind of acquisition module that the embodiment of the present invention provides；
Fig. 5 is the structural representation of the another kind of radio reception device that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1, be the schematic flow sheet of the method for a kind of channel switching that the embodiment of the present invention provides, described method may include that
S101, obtains the probe request that terminal sends, and described probe request carries channel switching declaration mark；
Concrete, described terminal can add certain user-selected network according to the clicking operation of user, described terminal is before adding this network, described terminal first can fill channel switching declaration mark in probe requests thereby (Proberequest) frame, now, described radio reception device can obtain the probe request carrying described channel switching declaration mark that terminal sends, described radio reception device can extract and store described channel switching declaration mark, so that according to stored channel switching declaration mark, described radio reception device can determine whether described terminal supports channel switching declaration when switching channel.Described terminal except can filling channel switching declaration mark in probe request, channel switching declaration mark can also be filled so that described radio reception device can also pass through other Frames and obtain described channel switching declaration mark in other Frames.
S102, when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, selects the mode of channel switching declaration to notify that described terminal carries out channel switching；
Concrete, when radio reception device detects and needs to switch channel, namely illustrate that radio reception device may detect that radar signal or evades interference, now, according to stored channel switching declaration mark, described radio reception device can determine whether described terminal supports channel switching declaration, if it is determined that described terminal supports channel switching declaration, then the mode of channel switching declaration can be selected to notify that described terminal carries out channel switching, otherwise perform the step of S103.The mode of described channel switching declaration refers to that described radio reception device sends channel switching declaration information to described terminal, carries the channel information after switching in described channel switching declaration information；Described terminal can resolve received channel switching declaration information, to extract the channel information after described switching, and switches to the channel corresponding to the channel information after described switching.
S103, when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, selects the mode of disassociation frame to notify that described terminal carries out channel switching；
Concrete, however, it is determined that described terminal does not support channel switching declaration, then the mode of disassociation frame can be selected to notify that described terminal carries out channel switching.The mode of described disassociation frame refers to that described radio reception device clean culture sends disassociation frame to described terminal, described terminal can disconnect the connection with described radio reception device according to described disassociation frame, and rescan channel, to carry out channel switching, namely reselect new radio reception device and access.Owing to not supporting that the terminal of channel switching declaration can disconnect with described radio reception device according to described disassociation frame immediately and start to rescan channel, so do not support that the already out channel of radio reception device that the terminal of channel switching declaration connects without waiting until perception just starts to rescan channel, so the mode of disassociation frame can reduce the service disconnection duration of the terminal not supporting channel switching declaration.
Therefore, the switching declaration mark of the channel entrained by probe request that the embodiment of the present invention sends by obtaining terminal, can determine whether terminal supports channel switching declaration according to channel switching declaration mark, if terminal supports channel switching declaration, the mode that then can select channel switching declaration notifies that terminal carries out channel switching, the mode of disassociation frame otherwise can be selected to notify that terminal carries out channel switching, such that it is able to effectively reduced the service outage duration of the terminal not supporting channel switching declaration by the mode of disassociation frame, to improve the business experience of network delay sensitive kinds business.
Referring to Fig. 2 again, be the schematic flow sheet of the method for the another kind of channel switching that the embodiment of the present invention provides, described method may include that
S201, receives the probe request that terminal sends；
Concrete, described terminal can add certain user-selected network according to the clicking operation of user, described terminal is before adding this network, described terminal first can fill channel switching declaration mark in probe request, now, described radio reception device can obtain the probe request carrying described channel switching declaration mark that terminal sends.
S202, extracts the channel switching declaration mark in described probe request, and stores described channel switching declaration mark；
Concrete, described radio reception device is after receiving described probe request, can extract and store described channel switching declaration mark, in order to according to stored channel switching declaration mark, described radio reception device can determine whether described terminal supports channel switching declaration when switching channel.Such as, described radio reception device can use a bit position in the reserved field in ExtendedCapabilityelement (extended capability element) to store described channel switching declaration mark.
S203, needs switching channel when detecting, identifies stored described channel switching declaration mark；
S204, when identifying the switching declaration of described channel and being designated the first character mark, it is determined that described terminal supports channel switching declaration；
S205, when identifying the switching declaration of described channel and being designated the second character mark, it is determined that described terminal does not support channel switching declaration；
Concrete, when S203 step identify the switching declaration of described channel be designated the first character mark time, it is possible to perform the step of S204, namely determine that described terminal supports channel switching declaration；When S203 step identify described channel switching declaration be designated the second character mark time, it is possible to perform S205 step, namely determine described terminal do not support channel switching declaration.Such as, described channel switching declaration mark can represent with " 0 " or " 1 ", and set set as the first character mark, equipment " 0 " is the second character mark, when described radio reception device identify described channel switching declaration be designated " 1 " time, it may be determined that described terminal support channel switching declaration；When described radio reception device identify described channel switching declaration be designated " 0 " time, it may be determined that described terminal do not support channel switching declaration.
S206, sends the channel switching declaration frame of the channel information after carrying switching to described terminal, so that described terminal carries out channel switching according to the channel information after described switching；
Concrete, the step of S206 can be performed after S204 step, namely when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, described radio reception device can select the mode of channel switching declaration to notify that described terminal carries out channel switching, namely described radio reception device sends channel switching declaration information to described terminal, carries the channel information after switching in described channel switching declaration information；Described terminal can resolve received channel switching declaration information, to extract the channel information after described switching, and switches to the channel corresponding to the channel information after described switching.
S207, clean culture sends disassociation frame to described terminal, so that described terminal rescans channel to carry out channel switching according to described disassociation frame；
Concrete, the step of S207 can be performed after S205 step, namely when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, described radio reception device can select the mode of disassociation frame to notify, and described terminal carries out channel switching, namely described radio reception device clean culture sends disassociation frame to described terminal, described terminal can disconnect the connection with described radio reception device according to described disassociation frame, and rescan channel, to carry out channel switching, namely reselect new radio reception device and access.Owing to not supporting that the terminal of channel switching declaration can disconnect with described radio reception device according to described disassociation frame immediately and start to rescan channel, so do not support that the already out channel of radio reception device that the terminal of channel switching declaration connects without waiting until perception just starts to rescan channel, so the mode of disassociation frame can reduce the service disconnection duration of the terminal not supporting channel switching declaration.
Preferably, the described radio reception device that the embodiment of the present invention provides can be attached with multiple terminals, described radio reception device can store the channel switching declaration mark that in the plurality of terminal, each terminal is corresponding respectively, when described radio reception device detects and needs to switch channel, can first according to stored multiple channels switching declaration mark determines whether there is the terminal that can support channel switching declaration in the plurality of terminal, if existing, then first to the channel switching declaration information carrying the channel information after switching described in whole terminal broadcast, the terminal making the switching declaration of the channel supported in the plurality of terminal can switch declaration information according to described channel and carry out channel switching；Described radio reception device is after broadcasting described channel switching declaration information, disassociation frame can be sent respectively again to the terminal clean culture not supporting channel switching declaration, make the terminal not supporting channel switching declaration can disconnect the connection with described radio reception device according to described disassociation frame, and rescan channel to carry out channel switching.Alternatively, when described radio reception device detects and needs to switch channel, described radio reception device first can also send disassociation frame to the terminal clean culture not supporting channel switching declaration, then to carrying the channel switching declaration information of the channel information after switching described in whole terminal broadcast.Alternatively, need switching channel when described radio reception device detects, and when all terminal all supports channel switching declaration, as long as described radio reception device is to the channel switching declaration information carrying the channel information after switching described in whole terminal broadcast.Alternatively, need switching channel when described radio reception device detects, and when all terminal does not support channel switching declaration, as long as described radio reception device sends described disassociation frame to the clean culture respectively of whole terminals.Owing to the mode of channel switching declaration can reduce more service outage duration than the mode of disassociation frame, so in the plurality of terminal, simply by the presence of the terminal supporting channel switching declaration, it is possible to the preferential mode using channel switching declaration notifies that the terminal that can support channel switching declaration carries out channel switching.
Therefore, the switching declaration mark of the channel entrained by probe request that the embodiment of the present invention sends by obtaining terminal, can determine whether terminal supports channel switching declaration according to channel switching declaration mark, if terminal supports channel switching declaration, the mode that then can select channel switching declaration notifies that terminal carries out channel switching, the mode of disassociation frame otherwise can be selected to notify that terminal carries out channel switching, such that it is able to effectively reduced the service outage duration of the terminal not supporting channel switching declaration by the mode of disassociation frame, to improve the business experience of network delay sensitive kinds business.
Referring to Fig. 3, be the structural representation of a kind of radio reception device that the embodiment of the present invention provides, described radio reception device 1 may include that acquisition module the 10, first switching notice module the 20, second switching notice module 30；
Described acquisition module 10, for obtaining the probe request that terminal sends, described probe request carries channel switching declaration mark；
Concrete, described terminal can add certain user-selected network according to the clicking operation of user, described terminal is before adding this network, described terminal first can fill channel switching declaration mark in probe request, now, described acquisition module 10 can obtain the probe request carrying described channel switching declaration mark that terminal sends, described acquisition module 10 can also extract and store described channel switching declaration mark, so that according to stored channel switching declaration mark, described radio reception device 1 can determine whether described terminal supports channel switching declaration when switching channel.Described terminal except can filling channel switching declaration mark in probe request, it is also possible to fills channel switching declaration mark in other Frames so that described acquisition module 10 can also pass through other Frames and obtain described channel switching declaration mark.
Described first switching notice module 20, for when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, selecting the mode of channel switching declaration to notify that described terminal carries out channel switching；
Concrete, when radio reception device 1 detects and needs to switch channel, namely illustrate that radio reception device 1 may detect that radar signal or evades interference, now, according to stored channel switching declaration mark, described acquisition module 10 can determine whether described terminal supports channel switching declaration, if described acquisition module 10 determines that described terminal supports channel switching declaration, then described first switching notice module 20 can select the mode of channel switching declaration to notify that described terminal carries out channel switching；If described acquisition module 10 determines that described terminal does not support channel switching declaration, then performed corresponding operating by described second switching notice module 30.Wherein, according to described channel switching declaration mark, described first switching notice module is specifically for when determining that described terminal supports channel switching declaration, send the channel switching declaration frame that carries the channel information after switching to described terminal, make described terminal can resolve received channel switching declaration information, to extract the channel information after described switching, and switch to the channel corresponding to the channel information after described switching.
Described second switching notice module 30, for when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, selecting the mode of disassociation frame to notify that described terminal carries out channel switching；
Concrete, if described acquisition module 10 determines that described terminal does not support channel switching declaration, then described second switching notice module 30 mode of disassociation frame can be selected to notify described terminal carries out channel switching.Wherein, according to described channel switching declaration mark, described second switching notice module is specifically for when determining that described terminal does not support channel switching declaration, clean culture sends disassociation frame to described terminal, make described terminal can disconnect the connection with described radio reception device 1 according to described disassociation frame, and rescan channel, to carry out channel switching, namely reselect new radio reception device 1 and access.Owing to not supporting that the terminal of channel switching declaration can disconnect with described radio reception device 1 according to described disassociation frame immediately and start to rescan channel, so do not support that the already out channel of radio reception device 1 that the terminal of channel switching declaration connects without waiting until perception just starts to rescan channel, so the mode of disassociation frame can reduce the service disconnection duration of the terminal not supporting channel switching declaration.
Preferably, the described radio reception device 1 that the embodiment of the present invention provides can be attached with multiple terminals, described acquisition module 10 can store the channel switching declaration mark that in the plurality of terminal, each terminal is corresponding respectively, when described radio reception device 1 detects and needs to switch channel, described acquisition module 10 can determine whether there is the terminal that can support channel switching declaration in the plurality of terminal according to stored multiple channels switching declaration mark, if existing, then described first switching notice module 20 is first to the channel switching declaration information carrying the channel information after switching described in whole terminal broadcast, the terminal making the switching declaration of the channel supported in the plurality of terminal can switch declaration information according to described channel and carry out channel switching；Described first switching notice module 20 is after broadcasting described channel switching declaration information, described second switching notice module 30 can send disassociation frame to the terminal clean culture not supporting channel switching declaration more respectively, make the terminal not supporting channel switching declaration can disconnect the connection with described radio reception device 1 according to described disassociation frame, and rescan channel to carry out channel switching.Alternatively, when described radio reception device 1 detects and needs to switch channel, first can also be sent disassociation frame by described second switching notice module 30 to the terminal clean culture not supporting channel switching declaration, then by described first switching notice module 20 to the channel switching declaration information carrying the channel information after switching described in whole terminal broadcast.Alternatively, switching channel is needed when described radio reception device 1 detects, and when all terminal all supports channel switching declaration, only need to by described first switching notice module 20 to the channel switching declaration information carrying the channel information after switching described in whole terminal broadcast.Alternatively, need switching channel when described radio reception device 1 detects, and when all terminal does not support channel switching declaration, only need to be sent described disassociation frame by described second switching notice module 30 to the clean culture respectively of whole terminals.Owing to the mode of channel switching declaration can reduce more service outage duration than the mode of disassociation frame, so in the plurality of terminal, simply by the presence of the terminal supporting channel switching declaration, it is possible to the preferential mode being switched declaration by channel by described first switching notice module 20 notifies that the terminal that can support channel switching declaration carries out channel switching.
Further, then referring to Fig. 4, be the structural representation of a kind of acquisition module that the embodiment of the present invention provides, described acquisition module 10 may include that reception unit 101, extracts memory element 102, recognition unit 103, determines unit 104；
Described reception unit 101, for receiving the probe request that terminal sends；
Described extraction memory element 102, for extracting the channel switching declaration mark in described probe request, and stores described channel switching declaration mark；
Concrete, described reception unit 101 is after receiving described probe request, described extraction memory element 102 can extract and store described channel switching declaration mark, in order to according to stored channel switching declaration mark, described radio reception device 1 can determine whether described terminal supports channel switching declaration when switching channel.Such as, described extraction memory element 102 can use a bit position in the reserved field in ExtendedCapabilityelement to store described channel switching declaration mark.
Described recognition unit 103, for when detect need switching channel, identify stored described channel switching declaration mark；
Described determine unit 104, for when identifying the switching declaration of described channel and being designated the first character mark, it is determined that described terminal supports channel switching declaration；
Described determine unit 104, be additionally operable to when identifying the switching declaration of described channel and being designated the second character mark, it is determined that described terminal does not support channel switching declaration；
Concrete, described recognition unit 103 identifies the switching declaration of described channel when being designated the first character mark, described determines that unit 104 may determine that described terminal supports channel switching declaration；Described recognition unit 103 identifies the switching declaration of described channel when being designated the second character mark, described determines that unit 104 may determine that described terminal does not support channel switching declaration.Such as, described channel switching declaration mark can represent with " 0 " or " 1 ", and set set as the first character mark, equipment " 0 " is the second character mark, when described recognition unit 103 identify described channel switching declaration be designated " 1 " time, described determine unit 104 may determine that described terminal support channel switching declaration；When described recognition unit 103 identify described channel switching declaration be designated " 0 " time, described determine unit 104 may determine that described terminal do not support channel switching declaration.
Therefore, the switching declaration mark of the channel entrained by probe request that the embodiment of the present invention sends by obtaining terminal, can determine whether terminal supports channel switching declaration according to channel switching declaration mark, if terminal supports channel switching declaration, the mode that then can select channel switching declaration notifies that terminal carries out channel switching, the mode of disassociation frame otherwise can be selected to notify that terminal carries out channel switching, such that it is able to effectively reduced the service outage duration of the terminal not supporting channel switching declaration by the mode of disassociation frame, to improve the business experience of network delay sensitive kinds business.
Refer to Fig. 5 again, it it is the structural representation of the another kind of radio reception device that the embodiment of the present invention provides, described radio reception device 1 can include processor 1001, communication interface 1002 and memorizer 1003 (quantity of the processor 1001 in radio reception device 1 can be one or more, for a processor 1001 in Fig. 5).In some embodiments of the present invention, processor 1001, communication interface 1002 and memorizer 1003 can be connected by communication bus or other modes, and wherein, Fig. 5 is to be connected as example by communication bus.
Wherein, described communication interface 1002, for communicating with terminal；
Described memorizer 1003 is used for storing program；
Described processor 1001 is used for performing described program, to realize
Obtaining the probe request that terminal sends, described probe request carries channel switching declaration mark；
Need switching channel when detecting, and when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, select the mode of channel switching declaration to notify that described terminal carries out channel switching；
Need switching channel when detecting, and when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, select the mode of disassociation frame to notify that described terminal carries out channel switching.
Wherein, described processor 1001 specifically for:
Receive the probe request that terminal sends；
Extract the channel switching declaration mark in described probe request, and store described channel switching declaration mark.
Wherein, described processor 1001 is additionally operable to:
Need switching channel when detecting, identify stored described channel switching declaration mark；
When identifying the switching declaration of described channel and being designated the first character mark, it is determined that described terminal supports channel switching declaration；
When identifying the switching declaration of described channel and being designated the second character mark, it is determined that described terminal does not support channel switching declaration.
Wherein, described processor 1001 specifically for:
When determining that described terminal supports channel switching declaration according to described channel switching declaration mark, send the channel switching declaration frame of the channel information after carrying switching to described terminal, so that described terminal carries out channel switching according to the channel information after described switching.
Wherein, described processor 1001 specifically for:
When determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, clean culture sends disassociation frame to described terminal, so that described terminal rescans channel to carry out channel switching according to described disassociation frame.
Therefore, the switching declaration mark of the channel entrained by probe request that the embodiment of the present invention sends by obtaining terminal, can determine whether terminal supports channel switching declaration according to channel switching declaration mark, if terminal supports channel switching declaration, the mode that then can select channel switching declaration notifies that terminal carries out channel switching, the mode of disassociation frame otherwise can be selected to notify that terminal carries out channel switching, such that it is able to effectively reduced the service outage duration of the terminal not supporting channel switching declaration by the mode of disassociation frame, to improve the business experience of network delay sensitive kinds business.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can be by the hardware that computer program carrys out instruction relevant to complete, described program can be stored in a computer read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc..
Above disclosed it is only present pre-ferred embodiments, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to the claims in the present invention with this, still belong to the scope that the present invention contains.
Claims (10)
1. the method for a channel switching, it is characterised in that including:
Obtaining the probe request that terminal sends, described probe request carries channel switching declaration mark；
When determining that described terminal supports channel switching declaration according to described channel switching declaration mark, the mode of channel switching declaration is selected to notify that described terminal carries out channel switching；
When determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, the mode of disassociation frame is selected to notify that described terminal carries out channel switching.
2. the method for claim 1, it is characterised in that the probe request that described acquisition terminal sends, including:
Receive the probe request that terminal sends；
Extract the channel switching declaration mark in described probe request, and store described channel switching declaration mark.
3. method as claimed in claim 2, it is characterised in that the channel switching declaration mark in the described probe request of described extraction, and after storing the step of described channel switching declaration mark, also include:
Need switching channel when detecting, identify stored described channel switching declaration mark；
When identifying the switching declaration of described channel and being designated the first character mark, it is determined that described terminal supports channel switching declaration；
When identifying the switching declaration of described channel and being designated the second character mark, it is determined that described terminal does not support channel switching declaration.
4. the method for claim 1, it is characterised in that described when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, selects the mode of channel switching declaration to notify that described terminal carries out channel switching, specifically includes:
When determining that described terminal supports channel switching declaration according to described channel switching declaration mark, send the channel switching declaration frame of the channel information after carrying switching to described terminal, so that described terminal carries out channel switching according to the channel information after described switching.
5. the method for claim 1, it is characterised in that described when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, selects the mode of disassociation frame to notify that described terminal carries out channel switching, specifically includes:
When determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, clean culture sends disassociation frame to described terminal, so that described terminal rescans channel to carry out channel switching according to described disassociation frame.
6. a radio reception device, it is characterised in that including:
Acquisition module, for obtaining the probe request that terminal sends, described probe request carries channel switching declaration mark；
First switching notice module, for when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, selecting the mode of channel switching declaration to notify that described terminal carries out channel switching；
Second switching notice module, for when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, selecting the mode of disassociation frame to notify that described terminal carries out channel switching.
7. equipment as claimed in claim 6, it is characterised in that described acquisition module includes:
Receive unit, for receiving the probe request that terminal sends；
Extract memory element, for extracting the channel switching declaration mark in described probe request, and store described channel switching declaration mark.
8. equipment as claimed in claim 7, it is characterised in that described acquisition module also includes:
Recognition unit, for when detect need switching channel, identify stored described channel switching declaration mark；
Determine unit, for when identifying the switching declaration of described channel and being designated the first character mark, it is determined that described terminal supports channel switching declaration；
Described determine unit, be additionally operable to when identifying the switching declaration of described channel and being designated the second character mark, it is determined that described terminal does not support channel switching declaration.
9. equipment as claimed in claim 6, it is characterised in that
Described first switching notice module, specifically for when determining that described terminal supports channel switching declaration according to described channel switching declaration mark, send the channel switching declaration frame of the channel information after carrying switching to described terminal, so that described terminal carries out channel switching according to the channel information after described switching.
10. equipment as claimed in claim 6, it is characterised in that
Described second switching notice module, specifically for when determining that described terminal does not support channel switching declaration according to described channel switching declaration mark, clean culture sends disassociation frame to described terminal, so that described terminal rescans channel to carry out channel switching according to described disassociation frame.
Priority Applications (1)
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| CN105792291B (en) | 2019-05-28 |
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