CN103974421A - Channel selecting method and device - Google Patents
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- CN103974421A CN103974421A CN201310029692.8A CN201310029692A CN103974421A CN 103974421 A CN103974421 A CN 103974421A CN 201310029692 A CN201310029692 A CN 201310029692A CN 103974421 A CN103974421 A CN 103974421A
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Abstract
The invention relates to a channel selecting method and device. The channel selecting method comprises the step of obtaining work frequency bands of other modules except a Wi-Fi module, the step of determining the interference degrees of the work frequency bands on work channels of the Wi-Fi module, the step of ranking the work channels according to the interference degrees, and the step of selecting the work channel with the minimum interference degree to carry out Wi-Fi communication.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of channel selecting method and device.
Background technology
Adopting wireless fidelity technology (Wireless Fidelity, Wi-Fi) as short-distance wireless communication technology, more and more adopted, access to the Internet method as family and public place, support that Wi-Fi and other long communication equipments apart from access standard are more and more simultaneously, for example, support the local area network (LAN) of short distance to use the wide area network of Wi-Fi and the long distance of support to use the communication equipment of Long Term Evolution (Long Term Evolution, LTE) access technology simultaneously.
The 2.4G frequency range of Wi-Fi is current most widely used Wi-Fi frequency range, and third generation partner program (The 3rd Generation Partnership Project, there is working frequency range in LTE access technology 3GPP), therefore cause Wi-Fi with existing and disturb between some frequency ranges of other wireless access technologys such as LTE near 2.4G frequency range.For example, communication equipment can have influence on the Wi-Fi working channel reception signal of communication equipment when utilizing LTE access technology to transmit.
In prior art, for guaranteeing that Wi-Fi can normally work, by the Wi-Fi working channel shielding being interfered.But can't cause this Wi-Fi working channel to use when in fact, Wi-Fi working channel is subject to weak interference.If the Wi-Fi working channel being interfered is all shielded, can cause spendable Wi-Fi working channel scope to diminish, even owing to there is no alternative Wi-Fi working channel, and cause Wi-Fi normally to work.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of channel selecting method and device, makes communication equipment select to be disturbed the most weak Wi-Fi working channel and carries out Wi-Fi communication.
In first aspect, the embodiment of the present invention provides a kind of channel selecting method the method to comprise:
Obtain the working frequency range of other module except Wi-Fi module;
Determine the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module;
According to described degree of disturbance, described working channel is sorted;
Select the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
In the possible implementation of the first of first aspect, described definite described working frequency range is specially the degree of disturbance of the working channel of described Wi-Fi module: by inquiring about the corresponding table of preset degree of disturbance, determine the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module.
In the possible implementation of the second of first aspect, described according to described degree of disturbance, described working channel is sorted after, described method also comprises: the identical working channel of degree of disturbance is sorted according to the quality that receives signal.
In conjunction with the possible implementation of the second of first aspect, in the third possible implementation, when the working channel of described degree of disturbance minimum is a plurality of, the working channel of the described degree of disturbance minimum of described selection carries out Wi-Fi communication and is specially: select the best working channel of received signal quality in the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
In second aspect, a kind of channel selector of the embodiment of the present invention, this device comprises:
Acquiring unit, for obtaining the working frequency range of other module except Wi-Fi module;
Determining unit, for determining the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module
Sequencing unit, for sorting described working channel according to described degree of disturbance;
Selected cell, for selecting the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
In the possible implementation of the first of second aspect, described determination module specifically for: by inquiring about the corresponding table of preset degree of disturbance, determine the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module.
In the possible implementation of the second of second aspect, described sequencing unit is also for sorting according to the quality that receives signal to the identical working channel of degree of disturbance.
In conjunction with the possible implementation of the second of second aspect, in the third possible implementation, when the working channel of described degree of disturbance minimum is a plurality of, described selected cell specifically for: select the best working channel of received signal quality in the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
Pass through such scheme, according to the working frequency range information except Wi-Fi working frequency range of obtaining, determine the degree that Wi-Fi working channel is interfered, to select the Wi-Fi working channel of degree of disturbance minimum to communicate, can effectively improve Wi-Fi communication quality, and avoid being disturbed because of shielding the situation that channel causes Wi-Fi working channel scope to narrow down.
Accompanying drawing explanation
The flow chart of a kind of channel selecting method that Fig. 1 provides for the embodiment of the present invention one;
The structural representation of a kind of channel selector that Fig. 2 provides for the embodiment of the present invention two;
The structural representation of a kind of communication equipment that Fig. 3 provides for the embodiment of the present invention three.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The Fig. 1 of take below describes a kind of channel selecting method that the embodiment of the present invention one provides in detail as example, the flow chart of a kind of channel selecting method that Fig. 1 provides for the embodiment of the present invention one.The executive agent of the method is communication equipment.As shown in Figure 1, this channel selecting method comprises the following steps:
Step S101, obtains the working frequency range of other module except Wi-Fi module.
Because a communication equipment exists a plurality of communication modules, different communication modules is used different working frequency range, and the working frequency range of other module approaching with Wi-Fi module working frequency range can produce and disturb the working channel of the Wi-Fi module of communication equipment.For example, the working frequency range of the working frequency range of LTE module, global system for mobile communications (Global System For Mobile Communications, GSM) module etc., all can produce and disturb the working channel of Wi-Fi module.
It should be noted that, the working frequency range that this gets, can be the working frequency range of a module, the set of working frequency range that also can a plurality of modules.
Step S102, the degree of disturbance of definite working frequency range obtaining to the working channel of Wi-Fi module.
Communication equipment can preset frequency range and the corresponding table of degree of disturbance of the working channel of Wi-Fi module, after obtaining the working frequency range of other modules, according to this interference correspondence, shows the degree of disturbance of definite working frequency range obtaining to each working channel of Wi-Fi module.
Step S103, sorts the working channel of Wi-Fi module according to definite degree of disturbance.
For example, Wi-Fi module has 10 working channels, the working frequency range getting is the first frequency range, according to disturbing corresponding table, determine the degree of disturbance of the first frequency range to 10 of Wi-Fi module working channels, and then according to the degree of disturbance of determining each working channel of Wi-Fi module, these 10 working channels are sorted from little large order according to degree of disturbance.
Step S104, selects the working channel of degree of disturbance minimum to carry out Wi-Fi communication.
When communication equipment is wireless access node (Access Point, AP), the working channel of selecting degree of disturbance minimum provides network access facility for the mobile terminal under this AP.When communication equipment is mobile terminal, the working channel AP corresponding with this working channel of selection degree of disturbance minimum carries out Wi-Fi and communicates by letter to realize access network.
It should be noted that, when the working channel of degree of disturbance minimum cannot be used because of other reasons, the sequence according to step S103 to working channel, selects the less working channel of degree of disturbance to carry out Wi-Fi communication.
By the working channel of Wi-Fi module according to after degree of disturbance order from small to large sorts, can there is the working channel that degree of disturbance is identical.
Therefore, after step S103, can also comprise the following steps:
The working channel identical to degree of disturbance sorts according to the quality that receives signal.
Step S104, when selecting the working channel of degree of disturbance minimum, also need to carry out Wi-Fi communication by the best working channel of selective reception signal quality from the working channel of a plurality of degree of disturbance minimums.
The sequence of the degree of disturbance of the working channel of Wi-Fi module and the sequence that receives the quality of signal are carried out associated, can further be selected and be disturbed channel the most weak and that received signal quality is good, thereby improve the Wi-Fi communication quality of communication equipment.
The channel selecting method that utilizes the embodiment of the present invention one to provide, according to the working frequency range of other module except Wi-Fi module of obtaining, determine degree that the working channel of Wi-Fi module the is interfered line ordering of going forward side by side, to select being disturbed the most weak working channel, carry out Wi-Fi communication, can effectively improve Wi-Fi communication quality.
In a concrete example, communication equipment also can utilize LTE module to communicate when utilizing Wi-Fi module to communicate.The working frequency range of Wi-Fi module is 2.400GHz-2.483GHz, has 13 working channels.A plurality of working frequency range of LTE module all have interference to W to the working channel of Wi-Fi module.For example, the TDD Band40 frequency range of LTE, TDD Band18 frequency range and FDD Band7 frequency range all can produce and disturb the working channel of Wi-Fi module.Therefore, communication equipment is when selecting the working channel of communicating by letter for Wi-Fi, and first the working frequency range of obtaining communication equipment other module except Wi-Fi module judges the degree that is disturbed of the working channel of Wi-Fi module.
Concrete, the working frequency range that gets LTE module is FDD Band7, at 2500MHz to the frequency range between 2690MHz.According to the corresponding table of the preset interference of communication equipment, determine that this FDD Band7 frequency range has interference to the working channel 10 of Wi-Fi module to working channel 13, and determine that this FDDBand7 frequency range arrives the degree of disturbance of working channel 13 to working channel 10, then according to degree of disturbance order from small to large, these 13 working channels are sorted, ranking results is (working channel 1 is to working channel 9) < working channel 10< working channel 11< working channel 12< working channel 13.This shows, working channel 1 is not all interfered to working channel 9, and working channel 13 is interfered the strongest.Afterwards, working channel 1 is sorted from getting well to the order differing from according to the quality that receives signal to working channel 9, ranking results is working channel 8> working channel 9> working channel 7> (working channel 1 is to working channel 6) again.This shows, working channel 1 receives the best in quality of signals to working channel in working channel 98, and the quality that working channel 1 receives signals to Wi-Fi working channel 6 is the poorest and identical.Comprehensive above-mentioned two sequences, preferential selective channel 8 is carried out Wi-Fi communication, when working channel 8 cannot be used due to other reason, selects working channel 9 to carry out Wi-Fi communication, by that analogy.
Communication equipment is by sorting according to the quality of degree of disturbance and reception signal to the working channel of Wi-Fi module, to select being disturbed working channel the most weak and that received signal quality is best, communicate, can effectively improve Wi-Fi communication quality, and avoid being disturbed because of shielding the situation that channel causes Wi-Fi working channel scope to narrow down.
The Fig. 2 of take below describes a kind of channel selector that the embodiment of the present invention two provides in detail as example, the structural representation of a kind of channel selector that Fig. 2 provides for the embodiment of the present invention two.This channel selector is applied to communication equipment, in order to realize the channel selecting method described in embodiment mono-.As shown in Figure 2, this channel selector comprises: acquiring unit 210, determining unit 220, sequencing unit 230 and selected cell 240.
Acquiring unit 210 is for obtaining the working frequency range of other module except Wi-Fi module.
Because a communication equipment exists a plurality of communication modules, different communication modules is used different working frequency range, and the working frequency range of other module approaching with Wi-Fi module working frequency range can produce and disturb the working channel of the Wi-Fi module of communication equipment.For example, the working frequency range of LTE module, the working frequency range of gsm module etc., all can produce and disturb the working channel of Wi-Fi module.
It should be noted that, the working frequency range that acquiring unit 210 gets can be the working frequency range of a module, the set of working frequency range that also can a plurality of modules.
The degree of disturbance of the working frequency range that determining unit 220 is obtained for definite acquiring unit 210 to the working channel of Wi-Fi module.
Determining unit 220 can preset frequency range and the corresponding table of degree of disturbance of the working channel of Wi-Fi module, after acquiring unit 210 obtains the working frequency range of other modules, determining unit 220 is the degree of disturbance to each working channel of Wi-Fi module according to the definite working frequency range obtaining of the corresponding table of this interference.
Sequencing unit 230 is for determining that according to determining unit 220 degree of disturbance of working channel sorts the working channel of Wi-Fi module.
For example, Wi-Fi module has 10 working channels, the working frequency range that acquiring unit 210 gets is the first frequency range, determining unit 220 is according to disturbing corresponding table to determine the degree of disturbance of the first frequency range to 10 of Wi-Fi module working channels, then sequencing unit 230 is determined the degree of disturbance of each working channel of Wi-Fi module according to determining unit 220, and these 10 working channels are sorted according to degree of disturbance order from small to large.
Selected cell 240 is for selecting the working channel of degree of disturbance minimum to carry out Wi-Fi communication.
It should be noted that, when the working channel of degree of disturbance minimum cannot be used because of other reasons, according to the sequence of 230 pairs of working channels of sequencing unit, select the less working channel of degree of disturbance to carry out Wi-Fi communication.
At sequencing unit 230 by the working channel of Wi-Fi module according to according to after degree of disturbance order from small to large sorts, can there is the working channel that degree of disturbance is identical.
Therefore, sequencing unit 230 can also be for sorting according to the quality that receives signal to the identical working channel of degree of disturbance.
Selected cell 240 carries out Wi-Fi communication specifically for the best working channel of selective reception signal quality the working channel from a plurality of degree of disturbance minimums.
The sequence of the degree of disturbance of the working channel of Wi-Fi module and the sequence that receives the quality of signal are carried out associated, can further be selected and be disturbed channel the most weak and that received signal quality is good, thereby improve the Wi-Fi communication quality of communication equipment.
The channel selector that utilizes the embodiment of the present invention two to provide, according to the working frequency range of other module except Wi-Fi module obtaining, determine degree that the working channel of Wi-Fi module the is interfered line ordering of going forward side by side, to select being disturbed the most weak working frequency range, carry out Wi-Fi communication, effectively improve Wi-Fi communication quality.
As shown in Figure 3, the structural representation of its a kind of communication equipment providing for the embodiment of the present invention three.This communication equipment is in order to realize the channel selecting method described in embodiment mono-.This communication equipment comprises transceiver 310, memory 320 and the processor 330 being connected with transceiver 310, memory 320 respectively.Certainly, communication equipment can also comprise the universal components such as antenna, Base-Band Processing parts, middle radio frequency processing parts, input/output unit, and the embodiment of the present invention is not done any restriction at this.
Wherein, in memory 320, store batch processing code, and processor 330 is for calling the program code of memory 320 storages, for carrying out following operation:
Obtain the working frequency range of other module except Wi-Fi module;
Determine the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module;
According to described degree of disturbance, described working channel is sorted;
Select the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
Further, described definite described working frequency range is specially the degree of disturbance of the working channel of described Wi-Fi module:
By inquiring about the corresponding table of preset degree of disturbance, determine the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module.
Further, described processor 330 calls the program code in described memory 320, also in order to carry out following operation
The working channel identical to degree of disturbance sorts according to the quality that receives signal.
Further, when the working channel of described degree of disturbance minimum is a plurality of, the working channel of the described degree of disturbance minimum of described selection carries out Wi-Fi communication and is specially:
Select the best working channel of received signal quality in the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
The communication equipment that utilizes the embodiment of the present invention three to provide, according to the working frequency range of other module except Wi-Fi module obtaining, determine degree that the working channel of Wi-Fi module the is interfered line ordering of going forward side by side, to select being disturbed the most weak working frequency range, carry out Wi-Fi communication, effectively improve Wi-Fi communication quality.
Professional should further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection range being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a channel selecting method, is characterized in that, described method comprises:
Obtain the working frequency range of other module except Wi-Fi module;
Determine the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module;
According to described degree of disturbance, described working channel is sorted;
Select the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
2. method according to claim 1, is characterized in that, described definite described working frequency range is specially the degree of disturbance of the working channel of described Wi-Fi module:
By inquiring about the corresponding table of preset degree of disturbance, determine the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module.
3. method according to claim 1, is characterized in that, described according to described degree of disturbance, described working channel is sorted after, described method also comprises:
The working channel identical to degree of disturbance sorts according to the quality that receives signal.
4. method according to claim 3, is characterized in that, when the working channel of described degree of disturbance minimum is a plurality of, the working channel of the described degree of disturbance minimum of described selection carries out Wi-Fi communication and is specially:
Select the best working channel of received signal quality in the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
5. a channel selector, is characterized in that, described device comprises:
Acquiring unit, for obtaining the working frequency range of other module except Wi-Fi module;
Determining unit, for determining the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module
Sequencing unit, for sorting described working channel according to described degree of disturbance;
Selected cell, for selecting the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
6. device according to claim 5, is characterized in that, described determining unit specifically for:
By inquiring about the corresponding table of preset degree of disturbance, determine the degree of disturbance of described working frequency range to the working channel of described Wi-Fi module.
7. device according to claim 5, is characterized in that, described sequencing unit is also for sorting according to the quality that receives signal to the identical working channel of degree of disturbance.
8. device according to claim 7, is characterized in that, when the working channel of described degree of disturbance minimum is a plurality of, described selected cell specifically for:
Select the best working channel of received signal quality in the working channel of described degree of disturbance minimum to carry out Wi-Fi communication.
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| CN201310029692.8A CN103974421A (en) | 2013-01-25 | 2013-01-25 | Channel selecting method and device |
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| CN105872670A (en) * | 2015-11-30 | 2016-08-17 | 乐视致新电子科技（天津）有限公司 | Interference preventing communication method and system, smart television and remote control device |
| CN106131898A (en) * | 2016-06-21 | 2016-11-16 | 广东欧珀移动通信有限公司 | Method, device and the mobile terminal of a kind of handover access access point |
| WO2016206325A1 (en) * | 2015-06-25 | 2016-12-29 | 深圳市中兴微电子技术有限公司 | Wifi access method, apparatus and storage medium |
| CN106535339A (en) * | 2016-11-17 | 2017-03-22 | 南京邮电大学 | Multi-hop channel allocation method based on CS-DCA algorithm |
| CN107277212A (en) * | 2017-06-22 | 2017-10-20 | 深圳天珑无线科技有限公司 | A kind of method and system for testing mobile terminal screen hop |
| CN108174452A (en) * | 2018-01-31 | 2018-06-15 | 广东欧珀移动通信有限公司 | wireless network connection control method, device, storage medium and terminal device |
| CN108337735A (en) * | 2018-01-31 | 2018-07-27 | 广东欧珀移动通信有限公司 | wireless network connection control method, device, storage medium and terminal device |
| CN108668378A (en) * | 2018-05-31 | 2018-10-16 | 北京橙鑫数据科技有限公司 | Channel selecting method, device and electronic equipment |
| CN109104769A (en) * | 2018-09-30 | 2018-12-28 | 联想(北京)有限公司 | Communication means and the first electronic equipment |
| CN112350744A (en) * | 2020-10-30 | 2021-02-09 | 维沃移动通信有限公司 | Antenna switching method and device, signal transceiving circuit and electronic equipment |
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| CN109104769A (en) * | 2018-09-30 | 2018-12-28 | 联想(北京)有限公司 | Communication means and the first electronic equipment |
| CN112350744A (en) * | 2020-10-30 | 2021-02-09 | 维沃移动通信有限公司 | Antenna switching method and device, signal transceiving circuit and electronic equipment |
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Application publication date: 20140806 |