CN103596228A - Wireless channel switching method and device - Google Patents
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Abstract
The embodiment of the invention provides a wireless channel switching method and device. The method includes the steps that an AP sequentially scans a current working channel and a part of non-working channels for set durations in a promiscuous mode according to a preset period to acquire scanning information of the channels; response time of each channel is determined according to probe response messages in the scanning information and corresponding probe request messages sent by the AP in each set duration, and the determined channels with the response time being shorter than or equal to the set time are used as candidate channels; corresponding channel quality evaluation values are calculated according to retransmission message zone bits, node identification and the message transmission rate carried in data messages in the scanning information of the candidate channels, and the AP is switched to the candidate channels with the calculated channel quality evaluation values being larger than or equal to a preset threshold value. According to the wireless channel switching method and device, the AP scans the current working channel and the part of non-working channels in the promiscuous mode and can be switched to the channels with good channel quality, and switching accuracy is high.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of wireless channel switching method and device.
Background technology
For WLAN (Wireless Local Area Network, WLAN), channel is very rare resource, and each access point AP only can be operated on the channel into its distribution.Because WLAN working frequency range exists a large amount of possible interference sources, the interference producing such as the common busy channel of radar, microwave, other AP that using and terminal STA etc., they are by the normal operation of interfering AP, so, by the channel to AP, switch, to guarantee that each AP is operated on the channel of channel quality optimum, reduce as much as possible and avoid adjacent-channel interference, seem particularly important.
At present, conventionally adopt following flow process to realize the switching of wireless channel: AP sets the scanning of duration successively to work at present channel and default inoperative channel according to predetermined period, obtain the scanning information of each channel, what the scanning information of each channel comprised every other AP broadcast that AP receives in each sets duration carries beacon (Beacon) message, these Beacon messages all carry received signal strength indicator (Received Signal Strength Indication, RSSI) value; Then, the RSSI value that AP carries the Beacon message in the scanning information of each channel obtaining the respectively computing of averaging, and the channel quality assessment value using the RSSI mean value calculating as each channel, this channel quality assessment value is for characterizing the occupied extent index value of channel; Finally, AP is not less than on the channel of setting threshold self being switched to channel quality assessment value.
It should be noted that, AP, when carrying out above-mentioned switching flow, is to work under non-motley pattern, under this pattern always, AP receives only the message that destination address is self, certainly, AP, except working under non-motley pattern, also can work under promiscuous mode, in this case, AP receives all data messages through it, not only receives the message that destination address is self, and also receiving destination address is not the message of self.In addition, in above-mentioned flow process, AP predetermined period, setting duration and setting threshold all can carry out value according to the practical operation situation of WLAN.
Below in conjunction with following example, above-mentioned switching flow is elaborated:
Suppose that AP work at present is on 1 channel, predetermined period is 100ms, and setting duration is 10ms, and default inoperative channel is 6 channels and 11 channels, supposes that AP starts to carry out above-mentioned switching flow from 0ms, so, specifically carries out flow process as follows:
AP scans 1 channel, while scanning 10ms, finish, AP obtains all Beacon messages that receive in this 10ms, then continue to work in remaining 90ms, like this, when arriving 100ms (being first predetermined period), AP is switched to 6 channels, start 6 channels to scan, after having scanned 10ms (while scanning 110ms), AP also obtains all Beacon messages that receive in this 10ms, then, AP is switched to 1 channel again, the residue normal operation in 90 seconds in this predetermined period.
Next, when arriving 200ms (i.e. second predetermined period), AP is switched to 11 channels, start 11 channels to scan, after having scanned 10ms (while scanning 210ms), AP obtains all Beacon messages that receive in this 10ms again, and then, AP is switched to 1 channel again; The Beacon message that follow-up AP obtains according to these 3 times scanning, count the channel quality assessment value of 1 channel, 6 channels and 11 channels, as if statistics goes out 1 channel and does not meet above-mentioned Rule of judgment, 6 channels and 11 channels all meet above-mentioned Rule of judgment, in this case, AP switches to 6 channels, also switches to 11 channels, from 6 channels and 11 channels, selects one.
From above-mentioned flow process, can find out, which high-quality channel AP need to be switched on, mainly to be decided by channel quality assessment value, and being RSSI value by other AP in respective channel, this channel quality assessment value embodies, because other AP are in the situation that some interference sources such as being subject to microwave oven disturb, cannot embody from the RSSI value of AP, this channel that just causes determining according to the RSSI value of AP may not be channel quality optimum, and then the accuracy rate that causes channel to switch is lower.
Summary of the invention
The embodiment of the present invention provides a kind of wireless channel switching method and device, the lower problem of accuracy rate of switching in order to solve existing channel.
Based on the problems referred to above, a kind of wireless channel switching method that the embodiment of the present invention provides, comprising:
AP sets the scanning of duration successively under promiscuous mode to work at present channel and default inoperative channel according to predetermined period, obtain the scanning information of each channel, the scanning information of each channel comprises all detection response messages that described AP receives in each sets duration, and all data messages that retransmits message flag position, node identification and message transmission rate that carries;
According to the detection response message in the scanning information of each channel obtaining, with the corresponding probe requests thereby message sending in setting duration in each, determine the response time of each channel, and the channel that the response time of determining is not more than to setting-up time is as candidate channel;
According to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message in the scanning information of described candidate channel, calculate the channel quality assessment value of described candidate channel, and be not less than in the candidate channel of setting threshold self being switched to the channel quality assessment value calculating.
A kind of wireless channel switching device shifter that the embodiment of the present invention provides, comprising:
Scan module, for work at present channel and default inoperative channel are set successively the scanning of duration under promiscuous mode according to predetermined period, obtain the scanning information of each channel, the scanning information of each channel comprises all detection response messages that described AP receives in each sets duration, and all data messages that retransmits message flag position, node identification and message transmission rate that carries;
Determination module, the detection response message of the scanning information of each channel obtaining for basis, the corresponding probe requests thereby message sending in each sets duration with described AP, determine the response time of each channel, and the channel that the response time of determining is not more than to setting-up time is as candidate channel;
Computing module, for according to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message of the scanning information of described candidate channel, calculates the channel quality assessment value of described candidate channel;
Handover module, for being switched to described device the candidate channel that the channel quality assessment value calculating is not less than setting threshold.
The beneficial effect of the embodiment of the present invention comprises:
A kind of wireless channel switching method and device that the embodiment of the present invention provides, in the method, AP sets the scanning of duration successively under promiscuous mode to work at present channel and default inoperative channel according to predetermined period, obtain the scanning information of each channel, these scanning informations comprise all detection response messages that AP receives in each sets duration, and all data messages that retransmits message flag position, node identification and message transmission rate that carries; Then, according to the detection response message in the scanning information obtaining, with the corresponding probe requests thereby message that AP sends in each sets duration, determine the response time of each channel, and the channel that the response time of determining is not more than to setting-up time is as candidate channel; Finally, according to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message in the scanning information of candidate channel, the channel quality assessment value of calculated candidate channel, and be not less than in the candidate channel of setting threshold self being switched to the channel quality assessment value calculating.The AP of the embodiment of the present invention by for example, scanning different channels (work at present channel and inoperative channel) under promiscuous mode, obtain the more information of other AP and terminal on probe requests thereby response message and each channel, make the channel quality assessment value that calculates comparatively accurate, improved the accuracy rate of switching.
Accompanying drawing explanation
The flow chart of the wireless channel switching method that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the wireless channel switching device shifter that Fig. 2 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with Figure of description, a kind of wireless channel switching method that the embodiment of the present invention is provided and the embodiment of device describe.
A kind of wireless channel switching method that the embodiment of the present invention provides, as shown in Figure 1, specifically comprises the following steps:
S11:AP sets the scanning of duration successively under promiscuous mode to work at present channel and default inoperative channel according to predetermined period, obtain the scanning information of each channel;
Here, the scanning information of each channel comprises all detection response messages that AP receives in each sets duration, and all data messages that retransmits message flag position, node identification and message transmission rate that carries;
S12: according to the detection response message in the scanning information obtaining, with the corresponding probe requests thereby message sending in setting duration in each, determine the response time of each channel, and the channel that the response time of determining is not more than to setting-up time is as candidate channel;
S13: according to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message in the scanning information of candidate channel, the channel quality assessment value of calculated candidate channel, and be not less than in the candidate channel of setting threshold self being switched to the channel quality assessment value calculating.
Preferably, in above-mentioned steps S11, above-mentioned predetermined period and setting duration can be determined according to the practical operation situation of wireless network, for example, for fear of predetermined period, compared with short-range missile, cause AP switching channels comparatively frequent, predetermined period can be set as 100ms, sets duration and can be set as 10ms, certainly, the two also can be set as other numerical value.In addition, above-mentioned default inoperative channel can be the whole inoperative channels except AP work at present channel, can be also part inoperative channel.
In above-mentioned steps S11, why AP works in promiscuous mode when each sets duration interscan respective channels, be mainly because, under this pattern, AP can obtain more message information in respective settings duration, so that follow-up, calculate exactly the channel quality assessment value of each channel, improve and switch accuracy rate; After the end of scan, AP can initiatively be switched to normal mode of operation (being non-motley pattern).
Further, in above-mentioned steps S12, AP can specifically determine the response time of each channel by following manner:
AP add up respectively from each channel from sending each probe requests thereby message to the response time receiving corresponding detection response message;
To the response time the counting computing of averaging, obtain the response time of each channel respectively.
Particularly, in above-mentioned definite mode, each probe requests thereby message that AP sends in each sets duration, is actually the RSSI value of carrying in oneself the Beacon message of sending in the object AP that judges each probe requests thereby message of AP and is not less than while setting numerical value, to corresponding object AP, sends.
That is to say, for AP, the scan A P work at present channel of take is example, in above-mentioned setting duration, for fear of some AP from away from and RSSI value less, cause the response time of follow-up definite channel longer, make the channel quality assessment value deviation that finally calculates larger, AP in the present invention during this period of time receives a Beacon message, just for example, to AP corresponding to the identification information (bssid) carrying in this Beacon message, send probe requests thereby message, but after receiving this Beacon message, first judge whether the RSSI value of carrying in this Beacon message meets above-mentioned condition (be RSSI value be not less than set numerical value), in the situation that satisfying condition, to AP corresponding to the bssid carrying in this Beacon message, send probe requests thereby message again, to improve, switch accuracy rate.
It should be noted that, above-mentioned setting numerical value still can determine according to the practical operation situation of wireless network, and for example above-mentioned setting numerical value can be 70, certainly, also can be set as other numerical value.
Preferably, in above-mentioned steps S13, AP can specifically calculate the channel quality assessment value of candidate channel by following manner:
According to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message in the scanning information of candidate channel, the message retransmission rate of calculated candidate channel, terminal number and message transmission rate;
The message retransmission rate calculating, terminal number and message transmission rate are computed weighted, obtain the channel quality assessment value of candidate channel.
Particularly, AP can specifically calculate the message retransmission rate of candidate channel by following manner:
AP adds up respectively in the data message in the scanning information of candidate channel and carries and retransmit message flag position for setting the message number of flag bit, and the sum of the data message in the scanning information of candidate channel;
The message number counting and data message sum are carried out to ratio computing, obtain the message retransmission rate of candidate channel.
In aforesaid way, set flag bit and can set according to the actual conditions of wireless network, for example, setting flag bit is 1, represents that this message, for retransmitting message, certainly, can also be other setting meanss, at this, enumerates no longer one by one.
Particularly, AP can calculate by following manner the terminal number of candidate channel:
The number that the node identification carrying in data message in the scanning information of AP statistics candidate channel is terminal iidentification, obtains the terminal number of candidate channel.
In aforesaid way, above-mentioned terminal iidentification still can be set according to the actual conditions of wireless network, and for example, terminal iidentification is TODS, and representative is the MAC Address of terminal, certainly, can also, for other setting meanss, at this, enumerate no longer one by one.
Particularly, AP calculates the message transmission rate of candidate channel by following manner:
By the computing of averaging of the message transmission rate in all data messages in the scanning information of candidate channel, obtain the message transmission rate of candidate channel.
Particularly, AP can pass through formula (A+B+C) * 0.3, calculates the channel quality assessment value of candidate channel.Here, the message retransmission rate that A is candidate channel, the terminal number that B is candidate channel, the message transmission rate that C is candidate channel.
It should be noted that, the embodiment of the present invention is not limited in above-mentioned formula and calculates channel quality assessment value, also can adopt other formula to calculate, and at this, above-mentioned computing formula is not done to any restriction.
Further, in above-mentioned steps S13, after calculating channel quality assessment value, if meet the channel quality assessment value of above-mentioned condition, have a plurality of, in this case, AP can be switched to and meet on arbitrary channel corresponding to the channel quality assessment value of above-mentioned condition.
An AP of take in WLAN is example, suppose that its work at present is at 1 channel, default inoperative channel is 6 and 11 channels, predetermined period is 100ms, and setting-up time is 10ms, so, when carrying out said method, when certain 100ms arrives, AP starts 1 channel to carry out the scanning of 10ms, thereby obtains the related scans information of 1 channel; Then remaining 90ms of this cycle works on, when next 100ms arrives, suppose that AP is switched on 6 channels, start for time 10ms scanning, obtain the related scans information of 6 channels, after the end of scan, be switched to the remaining 90ms of this cycle that works on 1 channel, when follow-up 100ms arrives again, AP is switched on 11 channels, start for time 10ms scanning, the related scans information that obtains 11 channels, is again switched on 1 channel and works on after the end of scan.
Further, AP is after obtaining the related scans information of these channels, carry out above-mentioned steps S12-13, suppose that the follow-up channel quality assessment value of determining 1 channel does not meet above-mentioned condition, and the channel quality assessment value of 6 and 11 channels all meets above-mentioned condition, in this case, AP can be switched to 6 channels, also can be switched to 11 channels.
Based on same inventive concept, the embodiment of the present invention also provides a kind of wireless channel switching device shifter, because the principle that this device is dealt with problems is similar to aforementioned wireless channel switching method, so the enforcement of this device can, referring to the enforcement of preceding method, repeat part and repeat no more.
The wireless channel switching device shifter that the embodiment of the present invention provides, as shown in Figure 2, specifically comprises:
Here, the scanning information of each channel comprises all detection response messages that AP receives in each sets duration, and all data messages that retransmits message flag position, node identification and message transmission rate that carries;
Preferably, above-mentioned determination module 22, specifically for respectively statistics from each channel from sending each probe requests thereby message to the response time receiving corresponding detection response message; And respectively to the response time the counting computing of averaging, obtain the response time of each channel.
Preferably, each probe requests thereby message of foundation during response time that above-mentioned determination module 22 calculates each channel, while being not less than setting numerical value for the RSSI value of carrying in the Beacon message sent at the object AP that judges each probe requests thereby message of device, to corresponding object AP, send.
Preferably, above-mentioned computing module 23, specifically for according to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message in the scanning information of candidate channel, the message retransmission rate of calculated candidate channel, terminal number and message transmission rate; And the message retransmission rate calculating, terminal number and message transmission rate are computed weighted, obtain the channel quality assessment value of candidate channel.
Preferably, above-mentioned computing module 23, specifically for adding up respectively in the data message in the scanning information of candidate channel, carry and retransmit message flag position for setting the message number of flag bit, and the sum of the data message in the scanning information of candidate channel, and the message number counting and data message sum are carried out to ratio computing, obtain the message retransmission rate of candidate channel; The number that in data message in the scanning information of statistics candidate channel, the node identification that carries is terminal iidentification, obtains the terminal number of candidate channel; And by the computing of averaging of the message transmission rate in all data messages in the scanning information of candidate channel, obtain the message transmission rate of candidate channel.
Preferably, above-mentioned computing module 23, specifically for passing through formula (A+B+C) * 0.3, calculate the channel quality assessment value of candidate channel, wherein, the message retransmission rate that A is candidate channel, B is the terminal number of candidate channel, the message transmission rate that C is candidate channel.
The AP of the embodiment of the present invention by for example, scanning different channels (work at present channel and inoperative channel) under promiscuous mode, obtain the more information of other AP and terminal on probe requests thereby response message and each channel, make the channel quality assessment value that calculates comparatively accurate, improved the accuracy rate of switching.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a wireless channel switching method, is characterized in that, comprising:
AP sets the scanning of duration successively under promiscuous mode to work at present channel and default inoperative channel according to predetermined period, obtain the scanning information of each channel, the scanning information of each channel comprises all detection response messages that described AP receives in each sets duration, and all data messages that retransmits message flag position, node identification and message transmission rate that carries;
According to the detection response message in the scanning information of each channel obtaining, with the corresponding probe requests thereby message sending in setting duration in each, determine the response time of each channel, and the channel that the response time of determining is not more than to setting-up time is as candidate channel;
According to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message in the scanning information of described candidate channel, calculate the channel quality assessment value of described candidate channel, and be not less than in the candidate channel of setting threshold self being switched to the channel quality assessment value calculating.
2. the method for claim 1, is characterized in that, described AP determines the response time of each channel by following manner:
Described AP add up respectively from each channel from sending each probe requests thereby message to the response time receiving corresponding detection response message;
To the response time the counting computing of averaging, obtain the response time of each channel respectively.
3. method as claimed in claim 2, it is characterized in that, described each probe requests thereby message, when the received signal strength RSSI value of carrying in the beacon Beacon message of sending at the object AP that judges described each probe requests thereby message for described AP is not less than setting numerical value, to corresponding object AP, send.
4. the method for claim 1, is characterized in that, described AP calculates the channel quality assessment value of described candidate channel by following manner:
According to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message in the scanning information of described candidate channel, calculate message retransmission rate, terminal number and the message transmission rate of described candidate channel;
The message retransmission rate calculating, terminal number and message transmission rate are computed weighted, obtain the channel quality assessment value of described candidate channel.
5. method as claimed in claim 4, is characterized in that, described AP calculates the message retransmission rate of described candidate channel by following manner:
Described AP adds up respectively in the data message in the scanning information of described candidate channel and carries and retransmit message flag position for setting the message number of flag bit, and the sum of the data message in the scanning information of described candidate channel;
The message number counting and data message sum are carried out to ratio computing, obtain the message retransmission rate of described candidate channel;
Described AP calculates the terminal number of described candidate channel by following manner:
Described AP adds up the number that the node identification that carries in the data message in the scanning information of described candidate channel is terminal iidentification, obtains the terminal number of described candidate channel;
Described AP calculates the message transmission rate of described candidate channel by following manner:
By the computing of averaging of the message transmission rate in all data messages in the scanning information of described candidate channel, obtain the message transmission rate of described candidate channel.
6. a wireless channel switching device shifter, is characterized in that, comprising:
Scan module, for work at present channel and default inoperative channel are set successively the scanning of duration under promiscuous mode according to predetermined period, obtain the scanning information of each channel, the scanning information of each channel comprises all detection response messages that described AP receives in each sets duration, and all data messages that retransmits message flag position, node identification and message transmission rate that carries;
Determination module, the detection response message of the scanning information of each channel obtaining for basis, the corresponding probe requests thereby message sending in each sets duration with described AP, determine the response time of each channel, and the channel that the response time of determining is not more than to setting-up time is as candidate channel;
Computing module, for according to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message of the scanning information of described candidate channel, calculates the channel quality assessment value of described candidate channel;
Handover module, for being switched to described device the candidate channel that the channel quality assessment value calculating is not less than setting threshold.
7. device as claimed in claim 6, is characterized in that, described determination module, specifically for respectively statistics from each channel from sending each probe requests thereby message to the response time receiving corresponding detection response message; And respectively to the response time the counting computing of averaging, obtain the response time of each channel.
8. device as claimed in claim 7, it is characterized in that, each probe requests thereby message of foundation during response time that described determination module calculates each channel, when the received signal strength RSSI value of carrying in the beacon Beacon message of sending at the object AP that judges described each probe requests thereby message for described device is not more than setting numerical value, to corresponding object AP, send.
9. device as claimed in claim 6, it is characterized in that, described computing module, specifically for according to the re-transmission message flag position, node identification and the message transmission rate that carry in the data message in the scanning information of described candidate channel, calculate message retransmission rate, terminal number and the message transmission rate of described candidate channel; And the message retransmission rate calculating, terminal number and message transmission rate are computed weighted, obtain the channel quality assessment value of described candidate channel.
10. device as claimed in claim 9, it is characterized in that, described computing module, specifically for adding up respectively in the data message in the scanning information of described candidate channel, carry and retransmit message flag position for setting the message number of flag bit, and the sum of the data message in the scanning information of described candidate channel, and the message number counting and data message sum are carried out to ratio computing, obtain the message retransmission rate of described candidate channel; The number that to add up the node identification that carries in the data message in the scanning information of described candidate channel be terminal iidentification, obtains the terminal number of described candidate channel; And by the computing of averaging of the message transmission rate in all data messages in the scanning information of described candidate channel, obtain the message transmission rate of described candidate channel.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469912A (en) * | 2014-12-08 | 2015-03-25 | 广州杰赛科技股份有限公司 | Environment detection device and data transmission method thereof |
| CN104968023A (en) * | 2015-06-10 | 2015-10-07 | 小米科技有限责任公司 | Working channel adjusting method, device and equipment |
| CN105657760A (en) * | 2016-03-01 | 2016-06-08 | 华中科技大学 | WiFi seamless switching method based on neighbor graph algorithm |
| CN106162768A (en) * | 2015-05-21 | 2016-11-23 | 小米科技有限责任公司 | Wireless access point switching method and device |
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| WO2018161207A1 (en) * | 2017-03-06 | 2018-09-13 | General Electric Company | Methods and systems for control of wireless connections between host and client devices |
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| CN111031583A (en) * | 2019-12-19 | 2020-04-17 | 杭州迪普科技股份有限公司 | Channel switching method and device |
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| CN111726837A (en) * | 2019-03-18 | 2020-09-29 | 华为技术有限公司 | Method and terminal for switching access points |
| CN115243333A (en) * | 2021-04-23 | 2022-10-25 | 华为技术有限公司 | Communication method and AP |
| WO2023124835A1 (en) * | 2021-12-28 | 2023-07-06 | 深圳创维数字技术有限公司 | Channel switching method and apparatus, and device and computer-readable storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003021886A2 (en) * | 2001-08-28 | 2003-03-13 | Toshiba Research Europe Limited | Channel adaptation in a communication network |
| US20070213012A1 (en) * | 2006-03-10 | 2007-09-13 | Janne Marin | Channel change procedures in a wireless communications network |
| CN101103638A (en) * | 2003-12-01 | 2008-01-09 | 美商内数位科技公司 | Wireless communication method and apparatus for optimizing access point channel selection |
| CN101364908A (en) * | 2008-09-16 | 2009-02-11 | 杭州华三通信技术有限公司 | Method and apparatus for evaluating wireless channel quality |
| CN101932054A (en) * | 2010-08-06 | 2010-12-29 | 北京交通大学 | Switching method of wireless local area network |
| CN103237355A (en) * | 2013-04-25 | 2013-08-07 | 京信通信系统（中国）有限公司 | Method and system for automatically distributing wireless communication channels |
-
2013
- 2013-11-19 CN CN201310586087.0A patent/CN103596228B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003021886A2 (en) * | 2001-08-28 | 2003-03-13 | Toshiba Research Europe Limited | Channel adaptation in a communication network |
| CN101103638A (en) * | 2003-12-01 | 2008-01-09 | 美商内数位科技公司 | Wireless communication method and apparatus for optimizing access point channel selection |
| US20070213012A1 (en) * | 2006-03-10 | 2007-09-13 | Janne Marin | Channel change procedures in a wireless communications network |
| CN101364908A (en) * | 2008-09-16 | 2009-02-11 | 杭州华三通信技术有限公司 | Method and apparatus for evaluating wireless channel quality |
| CN101932054A (en) * | 2010-08-06 | 2010-12-29 | 北京交通大学 | Switching method of wireless local area network |
| CN103237355A (en) * | 2013-04-25 | 2013-08-07 | 京信通信系统（中国）有限公司 | Method and system for automatically distributing wireless communication channels |
Non-Patent Citations (1)
| Title |
|---|
| 欧阳博文，官剑林: ""无线mesh网络一种以节点为单位的多信道分配"", 《中国新通信》 * |
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