CN105025494B - A kind of wireless communications method, relevant device and system - Google Patents
A kind of wireless communications method, relevant device and system Download PDFInfo
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- CN105025494B CN105025494B CN201410606455.8A CN201410606455A CN105025494B CN 105025494 B CN105025494 B CN 105025494B CN 201410606455 A CN201410606455 A CN 201410606455A CN 105025494 B CN105025494 B CN 105025494B
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Abstract
The invention discloses a kind of wireless communications method, relevant device and systems, this method comprises: generating channel logo message frame, the channel logo message frame includes channel identification information, the channel identification information indicates the working channel of the sender of the channel logo message frame, and the channel identification information is also used to judge the overlapping conditions of the channel logo message frame sender and channel logo message frame recipient's frequency spectrums of operation；Send the channel logo message frame.Using the present invention, channel is identified, allow neighbouring access point when receiving the message frame comprising channel identification information, frequency spectrums of operation nonoverlapping part of the frequency spectrums of operation with message frame sender of itself can be obtained according to the channel identification information, not only Communication Jamming can be avoided accordingly, but also the frequency spectrum of the part of overlapping can be made to be fully used.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of wireless communications methods, relevant device and system.
Background technique
In order to preferably meet the needs of people are to wireless communication, American Institute of Electrical and Electronics Engineers IEEE at
Found the study group of next-generation Wi-Fi technology, it is intended to efficient WLAN HEW (high efficiency WLAN) is set up,
Its implement be in region provide than existing Wi-Fi technology the communication environment of more crypto set (provides more base station subsystems
Unite BSS (Basic service Set)), increase the handling capacity of wireless network, but communication environment is intensive, will lead in region
There are overlapping basic service set OBSS (Overlap Basic Service Set), adjacent overlapping basic service sets
It can be interfered with each other between OBSS, influence communication quality, for this problem, the solution of the prior art is, more using frequency division
The mode of location FDMA (frequency division multiple access) carries out channel distribution, i.e., total bandwidth is separated
At multiple nonoverlapping channels, the BSS each overlapped mutually respectively occupies a channel, solves the problems, such as Communication Jamming with this.
The defect of the prior art is, for partly overlapping OBSS, by the way of FDMA, although can be to avoid phase
Signal interference between mutually, but simultaneously but also the frequency spectrum of each BSS lap is not efficiently used, this and HEW
Vision run counter to.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of wireless communications method, relevant device and being
System allows neighbouring access point when parsing receives the message frame comprising channel logo, Ke Yigen by being identified to channel
According to the channel logo obtain itself frequency spectrums of operation and message frame sender the nonoverlapping part of frequency spectrums of operation, both can be to avoid
Communication Jamming, and the frequency spectrum of the part of overlapping can be made to be fully used.
In a first aspect, the embodiment of the invention provides a kind of wireless communications methods, comprising:
Channel logo message frame is generated, the channel logo message frame includes channel identification information, the channel logo letter
Breath indicates the working channel of the sender of the channel logo message frame, and the channel identification information be also used to judge it is described
The overlapping conditions of channel logo message frame sender and channel logo message frame recipient's frequency spectrums of operation；
Send the channel logo message frame.
With reference to first aspect, in the first possible implementation, the channel logo message frame also includes channel strip
Wide identification information, the channel width identification information indicate the bandwidth of operation of the sender of the channel logo message frame；It is described
Channel width identification information is used for the recipient for the channel logo message frame according to the channel width identification information judgment
The overlapping conditions of the frequency spectrums of operation of described sender and the frequency spectrums of operation of the recipient.
The possible implementation of with reference to first aspect the first, in the second possible implementation, the channel
Identifying message frame also includes region identifier information, and the region identifier information indicates the sender's of the channel logo message frame
The country in which it is located or area；The region identifier information is used to be marked for the recipient of the channel logo message frame according to the area
Know the overlapping conditions that information judges the frequency spectrums of operation of described sender and the frequency spectrums of operation of the recipient.
The possible implementation of second with reference to first aspect, in the third implementation, the channel logo disappears
Ceasing frame includes overlapping report information element fields；The channel identification information, the channel width identification information and the area mark
Knowing in information has at least one to be set in the overlapping report information element fields.
The third possible implementation with reference to first aspect, in the fourth possible implementation, the overlapping
Report information element fields include optional daughter element subdomain, the channel identification information, the channel width identification information and described
There is at least one to be encapsulated in the optional daughter element subdomain in region identifier information.
Second aspect, the embodiment of the invention provides a kind of wireless communications methods, comprising:
Channel logo message frame is received, the channel logo message frame includes channel identification information, the channel logo letter
Breath indicates the working channel of the sender of the channel logo message frame；
The channel logo message frame is parsed, obtains the channel identification information, the channel identification information is for judging
The overlapping conditions of the frequency spectrums of operation of the recipient of the frequency spectrums of operation of described sender and the channel logo message frame.
In conjunction with second aspect, in the first possible implementation, the channel logo message frame also includes channel strip
Wide identification information, the channel width identification information indicates the bandwidth of operation of the sender of the channel logo message frame, described
After reception channel logo message frame, further includes:
The channel logo message frame is parsed, the channel width identification information, the channel width identification information are obtained
For judging the overlapping conditions of the frequency spectrums of operation of the frequency spectrums of operation of described sender and the recipient of the channel logo message frame.
In conjunction with the first possible implementation of second aspect, in the second possible implementation, the channel
Identifying message frame also includes region identifier information, and the region identifier information indicates the sender's of the channel logo message frame
The country in which it is located or area；After the reception channel logo message frame, further includes:
The channel logo message frame is parsed, obtains the region identifier information, the region identifier information is for judging
The overlapping conditions of the frequency spectrums of operation of the recipient of the frequency spectrums of operation of described sender and the channel logo message frame.
In conjunction with second of possible implementation of second aspect, in the third possible implementation, the channel
Identifying message frame includes overlapping report information element fields；The channel identification information, the channel width identification information and described
There is at least one to be set in the overlapping report information element fields in region identifier information；
When the channel identification information is set in the overlapping report information element fields, the parsing channel mark
Know message frame, obtaining the channel identification information includes: the overlapping report information element in the parsing channel logo message frame
Domain obtains the channel identification information；Or
When the channel width identification information is set in the overlapping report information element fields, the parsing letter
Road identifies message frame, and obtaining the channel width identification information includes: the overlapping report in the parsing channel logo message frame
Information word prime field obtains the channel width identification information；Or
When the region identifier information is set in the overlapping report information element fields, the parsing channel mark
Know message frame, obtaining the region identifier information includes: the overlapping report information element in the parsing channel logo message frame
Domain obtains the region identifier information.
In conjunction with the third possible implementation of second aspect, in the fourth possible implementation, the overlapping
Report information element fields include optional daughter element subdomain, the channel identification information, the channel width identification information and described
There is at least one to be encapsulated in the optional daughter element subdomain in region identifier information；
When the channel identification information is set in the optional daughter element subdomain, the parsing channel logo disappears
Frame is ceased, obtaining the channel identification information includes: the optional daughter element subdomain in the parsing overlapping report information element fields, is obtained
To the channel identification information；Or
When the channel width identification information is set in the optional daughter element subdomain, the parsing channel mark
Know message frame, obtaining the channel width identification information includes: the optional son member in the parsing overlapping report information element fields
Sub-prime domain obtains the channel width identification information；Or
When the region identifier information is set in the optional daughter element subdomain, the parsing channel logo disappears
Frame is ceased, obtaining the region identifier information includes: the optional daughter element subdomain in the parsing overlapping report information element fields, is obtained
To the region identifier information.
The third aspect, the embodiment of the invention provides a kind of access points, comprising:
First unit, for generating channel logo message frame, the channel logo message frame includes channel identification information, institute
Stating channel identification information indicates the working channel of sender of the channel logo message frame, and the channel identification information is also
For judging the overlapping conditions of the channel logo message frame sender and channel logo message frame recipient's frequency spectrums of operation；
Second unit, the channel logo message frame generated for sending the first unit.
In conjunction with the third aspect, in the first possible implementation, the channel logo message frame also includes channel strip
Wide identification information, the channel width identification information indicate the bandwidth of operation of the sender of the channel logo message frame；It is described
Channel width identification information is used for the recipient for the channel logo message frame according to the channel width identification information judgment
The overlapping conditions of the frequency spectrums of operation of described sender and the frequency spectrums of operation of the recipient.
In conjunction with the first possible implementation of the third aspect, in the second possible implementation, the channel
Identifying message frame also includes region identifier information, and the region identifier information indicates the sender's of the channel logo message frame
The country in which it is located or area；The region identifier information is used to be marked for the recipient of the channel logo message frame according to the area
Know the overlapping conditions that information judges the frequency spectrums of operation of described sender and the frequency spectrums of operation of the recipient.
In conjunction with second of possible implementation of the third aspect, in the third possible implementation, the channel
Identifying message frame includes overlapping report information element fields；The channel identification information, the channel width identification information and described
There is at least one to be set in the overlapping report information element fields in region identifier information.
In conjunction with the third possible implementation of the third aspect, in the fourth possible implementation, the overlapping
Report information element fields include optional daughter element subdomain, the channel identification information, the channel width identification information and described
There is at least one to be encapsulated in the optional daughter element subdomain in region identifier information.
Fourth aspect, the embodiment of the invention provides a kind of access points, comprising:
First unit, for receiving channel logo message frame, the channel logo message frame includes channel identification information, institute
Stating channel identification information indicates the working channel of sender of the channel logo message frame；
Second unit obtains the channel identification information, the channel logo for parsing the channel logo message frame
Information is used to judge the overlapping of the frequency spectrums of operation of described sender and the frequency spectrums of operation of the recipient of the channel logo message frame
Situation.
In conjunction with fourth aspect, in the first possible implementation, the channel logo message frame also includes road width of taking a message
Identification information, the channel width identification information indicate the bandwidth of operation of the sender of the channel logo message frame,
The second unit is also used to parse the channel logo message frame, obtains the channel width identification information, institute
Channel width identification information is stated for judging the frequency spectrums of operation of described sender and the recipient of the channel logo message frame
The overlapping conditions of frequency spectrums of operation.
In conjunction with the first possible implementation of fourth aspect, in the second possible implementation, the channel
Identifying message frame also includes region identifier information, and the region identifier information indicates the sender's of the channel logo message frame
The country in which it is located or area, described access point further include:
The second unit is also used to parse the channel logo message frame, obtains the region identifier information, describedly
Area's identification information is used to judge the frequency spectrums of operation of the frequency spectrums of operation of described sender and the recipient of the channel logo message frame
Overlapping conditions.
In conjunction with second of possible implementation of fourth aspect, in the third possible implementation, the channel
Identifying message frame includes overlapping report information element fields；The channel identification information, the channel width identification information and described
There is at least one to be set in the overlapping report information element fields in region identifier information；
When the channel identification information is set in the overlapping report information element fields, the second unit is specifically used
In parsing the overlapping report information element fields in the channel logo message frame, the channel identification information is obtained；Or
When the channel width identification information is set in the overlapping report information element fields, the second unit tool
Body is used to parse the overlapping report information element fields in the channel logo message frame, obtains the channel width identification information；
Or
When the region identifier information is set in the overlapping report information element fields, the second unit is specifically used
In parsing the overlapping report information element fields in the channel logo message frame, the region identifier information is obtained.
In conjunction with the third possible implementation of fourth aspect, in the fourth possible implementation, the overlapping
Report information element fields include optional daughter element subdomain, the channel identification information, the channel width identification information and described
There is at least one to be encapsulated in the optional daughter element subdomain in region identifier information；
When the channel identification information is set in the optional daughter element subdomain, the second unit is specifically used for solution
The optional daughter element subdomain in the overlapping report information element fields is analysed, the channel identification information is obtained；Or
When the channel width identification information is set in the optional daughter element subdomain, the second unit is specifically used
In parsing the optional daughter element subdomain in the overlapping report information element fields, the channel width identification information is obtained；Or
When the region identifier information is set in the optional daughter element subdomain, the second unit is specifically used for solution
The optional daughter element subdomain in the overlapping report information element fields is analysed, the region identifier information is obtained.
5th aspect, the embodiment of the invention provides a kind of wireless communication systems, including transmission method, apparatus and recipient to set
It is standby, wherein
Described sender equipment is the access point as described in claim 11-15；
The receiver equipment is the access point as described in claim 16-20.
By implementing the embodiment of the present invention, channel is identified to obtain channel identification information, and the channel mark that will be obtained
Know Information encapsulation to be broadcasted in channel logo message frame, then by the message frame, neighbouring access point is allowed to receive letter in parsing
When road identifies message frame, the frequency spectrums of operation of the sender of the channel logo message frame can be learnt according to channel identification information, into
And obtain in the frequency spectrums of operation of itself with the nonoverlapping part of the frequency spectrums of operation of sender, it both can be to avoid neighboring access point to certainly
The interference of body communication, can also make the frequency spectrum of overlapping be fully used.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1-1 is a kind of flow diagram of wireless communications method provided in an embodiment of the present invention；
Fig. 1-2 is that the overlapping conditions of working channel frequency spectrum between neighboring access point in region provided in an embodiment of the present invention are shown
It is intended to；
Fig. 2-1 is that the embodiment of the present invention provides the structural schematic diagram of overlapping report elerrfenf format；
Fig. 2-2 is the structural schematic diagram of optional daughter element format provided in an embodiment of the present invention；
Fig. 2-3 is the flow diagram of another wireless communications method provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of another wireless communications method provided in an embodiment of the present invention；
Fig. 4 is the flow diagram of another wireless communications method provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of access point provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of access point provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of wireless communication system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh of description specific embodiment
, it is not intended to limit the invention." the one of the embodiment of the present invention and singular used in the attached claims
Kind ", " described " and "the" are also intended to including most forms, unless the context clearly indicates other meaning.It is also understood that this
Term "and/or" used herein refers to and includes one or more associated any or all possible group for listing project
It closes.
It is a kind of flow diagram of wireless communications method provided in an embodiment of the present invention, this method packet referring to Fig. 1-1
It includes:
Step S101: generating channel logo message frame, and the channel logo message frame includes channel identification information, the letter
Road identification information indicates the working channel of the sender of the channel logo message frame, and the channel identification information is also used to
Judge the overlapping conditions of the channel logo message frame sender and channel logo message frame recipient's frequency spectrums of operation；
Specifically, wireless access point (Access Point, AP) generates channel logo message frame (subsequent title generation message
The AP of frame is original AP), encapsulates channel identification information in the message frame, channel identification information is to manage for identifying former AP with it
The channel that is communicated of website (Stations, STAs), for example, the channel communicated between original AP and STAs is " third channel "
When, " 0000000000000011 " is used as channel logo, and the mark is encapsulated in the channel identification information frame that former AP is generated
In, effect is after adjacent AP obtains channel identification information " 0000000000000011 ", to obtain the channel identification information
The spectral range of corresponding working channel, and the spectral range and the frequency spectrums of operation of itself are compared, obtain the weight of the two
Stacked condition, final adjacent AP can formulate adjustable strategies according to the overlapping conditions to adjust the frequency spectrums of operation of itself.
It should be noted that having pre-set channel logo letter in wireless network communication protocol IEEE802.11ax
Corresponding relationship between breath and channel, the channel identification information that adjacent AP obtains former AP obtain the working channel of former AP, channel
The corresponding relationship of identification information and channel is as shown in table 1:
Table 1
| Channel logo | Channel |
| 0000000000000001 | First channel |
| 0000000000000010 | Second channel |
| 0000000000000011 | Third channel |
| 0000000000000100 | 4th channel |
| 0000000000000101 | 5th channel |
In addition, in IEEE802.11ax agreement, the corresponding frequency spectrum of each channel is to determine (or limited), corresponds to and closes
System is as shown in table 2:
Table 2
| Channel | Spectral range |
| First channel | 2420MHz~2440MHz |
| Second channel | 2430MHz~2450MHz |
| Third channel | 2440MHz~2480MHz |
| 4th channel | 2450MHz~2490MHz |
| 5th channel | 2460MHz~2540MHz |
Each channel corresponds to one section of determining frequency spectrum, when the channel identification information that adjacent AP obtains former AP is
When " 0000000000000100 ", that is, it may know that the working channel of adjacent AP is " the 4th channel ", and be somebody's turn to do the work of " the 4th channel "
Making frequency spectrum is 2450MHz~2490MHz.
Further, the corresponding relationship between channel and frequency spectrum is not limited to table 2, and table 3 is the another kind of channel and frequency spectrum
Corresponding relationship:
Table 3
In this relation, there may be the channels of same names under different bandwidth conditions, i.e., each channel may
Corresponding multistage (limited) frequency spectrum, when the channel identification information that adjacent AP obtains former AP is " 0000000000000100 ", i.e.,
May know that adjacent AP working channel be " the 4th channel ", as can be seen from Table 3, under 20M, 40M and 80M bandwidth, all there is
" the 4th channel " will determine that the frequency spectrums of operation of former AP must know its channel width, and in fact, original AP is in broadcast message frame
When, the SIG of the physical header part of physical layer frame data (PHY Protocol Data Unit, PPDU) carries bandwidth letter
Breath, if the bandwidth of SIG is 20MHz, the frequency spectrums of operation that former AP can be obtained in conjunction with obtained " the 4th channel " is 2417~
2437MHz specifically obtains the frequency spectrums of operation of original AP below with reference to Fig. 1-2 to adjacent AP according to the channel identification information of former AP
Meaning be described in detail.
In Fig. 1-2, former AP has Chong Die signal coverage areas, and the working channel CH1 of original AP with two adjacent AP
With the working channel CH2 of adjacent AP (for one of them) there is the Chong Die frequency spectrum of 15MHz, when adjacent AP is managed with it
It is logical between adjacent AP and STA1 because STA1 is in the signal cover of former AP simultaneously when STA1 is communicated
Letter will receive the interference of former AP, and respectively the frequency spectrum of lap is not there is no being utilized sufficiently by original AP and adjacent AP, in fact
After applying the scheme being identified in the present invention to channel, adjacent AP is knowing how the channel identification information of former AP, so that it may root
The frequency spectrums of operation of former AP is known according to the identification information, is then compared the frequency spectrums of operation of itself with the frequency spectrums of operation of original AP,
It obtains in itself frequency spectrums of operation with the nonoverlapping part of the frequency spectrums of operation of former AP, and then is managed with nonoverlapping part with it
Communicated between STAs, both can interference to avoid former AP to self communication, can also make in itself frequency spectrums of operation not with its
He is fully used the part of AP overlapping.
To sum up, access point AP (former AP) is by being identified channel to obtain channel identification information, so that being somebody's turn to do
The unit (adjacent AP) of channel identification information can directly or indirectly know the work frequency of former AP according to the channel identification information
Spectrum, and the frequency spectrums of operation of itself is adjusted accordingly.
It should be noted that the content in above table is only used for illustrating, it is not used in and limits practical range of the invention, letter
The corresponding relationship of corresponding relationship and channel and spectral range between the quantity in road, channel and channel identification information is all by preparatory
Depending on setting, channel identification information can also be indicated using other bits as needed other than being indicated with 16 bits.
Step S102: the channel logo message frame is sent.
Specifically, after access point AP (former AP) generates channel expression message frame, which is broadcasted, so that
Other access points (adjacent AP) in its signal cover can know the channel identification information of former AP, and according to the channel mark
Know information and carries out relevant operation.
It referring to fig. 2-1, is the flow diagram of another wireless communications method provided in an embodiment of the present invention, this method packet
It includes:
Step S201: generating channel logo message frame, and the channel logo message frame includes channel identification information, channel strip
Wide identification information and region identifier information, the channel identification information, the channel width identification information and the region identifier
In the optional daughter element subdomain of overlapping report information element fields of the Information encapsulation in channel identification information frame, the channel logo
Information indicates that the working channel of the sender of the channel logo message frame, the channel width identification information indicate the channel
The bandwidth of operation of the sender of message frame is identified, the region identifier information indicates the sender's of the channel logo message frame
The country in which it is located or area, and channel identification information, channel width identification information and the region identifier information is also used to judge
The overlapping conditions of the channel logo message frame sender and channel logo message frame recipient's frequency spectrums of operation；
Specifically, wireless access point AP (former AP) generates channel logo message frame, can specifically wrap in channel logo message frame
Report information element fields (such as Fig. 2-2) containing overlapping, channel identification information, channel width identification information and region identifier Information encapsulation
In the optional daughter element subdomain (such as Fig. 2-3) of overlapping report information element fields, structure is as shown in table 4:
Table 4
| Region identifier | Channel width mark | Channel logo |
Wherein, channel identification information is the channel communicated for the STAs for identifying former AP with it is managed, for example, original AP
When the channel communicated between STAs is " third channel ", " 0000000000000011 " is used as channel logo；Channel width
Identification information is the bandwidth for the STAs for identifying former AP with it the is managed channel communicated, in existing Wi-Fi technology, is deposited
It is subsequent to be gone back in IEEE802.11ax in 1MHz, 2MHz, 5MHz, 10MHz, 20MHz, 40MHz, 80MHz and 160MHz
It will appear new bandwidth (such as 320MHz), when the bandwidth of the channel communicated between former AP and STAs is " 20M ", can incite somebody to action
" 00000101 " is identified as channel width；Region identifier information is the country where identifying former AP, with
For the frequency range of 2.4GHz, which is always divided into 14 big channels, and the channel that each country /region is able to use is that have
(in principle) is limited, by taking China as an example, the channel being able to use is 1 to 13 channel, and the 14th channel is unavailable, to where former AP
After country is identified, the range for the channel spectrum that former AP may be used can be further limited, when the country where former AP is
When " China ", " 00000001 " can be used as region identifier.
The effect of channel identification information, channel width identification information and region identifier information is to obtain original AP in adjacent AP
Channel identification information " 0000000000000011 ", channel width identification information " 00000101 " and region identifier
After " 00000001 ", the spectral range of the corresponding working channel of the channel identification information can be obtained, and by the spectral range and certainly
The frequency spectrums of operation of body compares, and obtains the overlapping conditions of the two, and final adjacent AP can formulate adjustment plan according to the overlapping conditions
Frequency spectrums of operation slightly to adjust itself.
In wireless network communication protocol IEEE802.11ax, pre-set between channel width identification information and bandwidth
Corresponding relationship, the channel width identification information that adjacent AP obtains former AP obtains the bandwidth of the working channel of former AP, channel strip
Wide identification information and the corresponding relationship of channel width are as shown in table 5:
Table 5
| Channel width mark | Bandwidth |
| 00000001 | 1MHz |
| 00000010 | 2MHz |
| 00000011 | 5MHz |
| 00000100 | 10MHz |
| 00000101 | 20MHz |
Likewise, having pre-set region identifier information and state in wireless network communication protocol IEEE802.11ax
Corresponding relationship between family/area, the region identifier information that adjacent AP obtains former AP obtain the country in which it is located/area of former AP,
The corresponding relationship of region identifier information and country /region is as shown in table 6:
Table 6
| Region identifier | Country /region |
| 00000001 | China |
| 00000010 | The U.S. |
| 00000011 | European Union |
| 00000100 | Japan |
| 00000101 | Israel |
If it is as shown in table 7 to obtain the region identifier information of former AP, channel width identification information and channel identification information:
Table 7
| 00000001 | 00000101 | 0000000000000100 |
It is possible to determine that the location of original AP is " China " first, available spectral range for 2401~
2483MHz, further, it may be determined that the channel width of former AP is " 20MHz ", further can determine that the working channel of former AP is
" the 4th channel ", is reference with table 3, by " 20MHz " and " the 4th channel " can determine former AP frequency spectrums of operation be 2417~
2437MHz, adjacent AP obtain original AP's according to the region identifier information of former AP, channel width identification information and channel identification information
The meaning of frequency spectrums of operation can refer to explanation of the part step S101 to the meaning in Fig. 1-1, and details are not described herein again.
To sum up, access point AP (former AP) is respectively obtained by being identified to country /region, channel width and channel
Region identifier information, channel width identification information and channel identification information, so that the unit for obtaining these identification informations is (adjacent
AP the frequency spectrums of operation of former AP) can be directly or indirectly known according to these identification informations, and adjusts the work frequency of itself accordingly
Spectrum.
It should be noted that the content in above table is served only for illustrating, specifically corresponding relationship can be according to practical need
It to set in the protocol in advance, to region identifier, channel width mark and channel logo in addition to respectively with 8 bits, 8 ratios
Special position and 16 bits indicate outer, can also be set as other bits according to actual needs, to channel, channel width and
The method that area is marked applies also for 5GHz frequency range, " the former AP " mentioned in specification in addition to being suitable for 2.4GHz frequency range
" adjacent AP " is intended merely to facilitate the differentiation of description and work, both access point, no essential distinction, when one of them is
When " former AP ", another is then " adjacent AP ", to sum up, the citing in the present embodiment preferably helps to understand we for being
Case should not be used as the limitation of the scope of the present invention.
Step S202: the channel logo message frame is sent.
Specifically, the step S101 in -1 referring to Fig.1.
It is the flow diagram of another wireless communications method provided in an embodiment of the present invention, this method packet referring to Fig. 3
It includes:
Step S301: receiving channel logo message frame, and the channel logo message frame includes channel identification information, the letter
Road identification information indicates the working channel of the sender of the channel logo message frame；
Specifically, the characteristics of channel logo message frame that adjacent AP reception original AP is sent, channel identification information frame, can correspond to
Description referring to step S101 to channel identification information frame.
Step S302: parsing the channel logo message frame, obtains the channel identification information, the channel identification information
For judging the overlapping conditions of the frequency spectrums of operation of the frequency spectrums of operation of described sender and the recipient of the channel logo message frame.
Specifically, when adjacent AP receives channel identification information frame, which is parsed (opening), to obtain
Channel identification information in channel logo message frame, referring to step S101 it is found that adjacent AP exists after obtaining channel identification information
It can be concluded that the frequency spectrums of operation of original AP after analyzing channel identification information, by the work of the frequency spectrums of operation of former AP and itself
The overlapping conditions that frequency spectrum both is compared that you can get it, and then corresponding channel spectrum adjustment side is formulated according to the overlapping conditions
Case.
It referring to fig. 4, is the flow diagram of another wireless communications method provided in an embodiment of the present invention, this method packet
It includes:
Step S401: receiving channel logo message frame, and the channel logo message frame includes channel identification information, channel strip
At least one of wide identification information and region identifier information, the channel identification information, the channel width identification information and
In the optional daughter element subdomain of overlapping report information element fields of the region identifier Information encapsulation in channel identification information frame,
The channel identification information indicates the working channel of the sender of the channel logo message frame, the channel width identification information
Indicate the bandwidth of operation of the sender of the channel logo message frame, the region identifier information indicates the channel logo message
The country in which it is located of the sender of frame or area；
Specifically, the characteristics of channel logo message frame that adjacent AP reception original AP is sent, channel identification information frame, can correspond to
Description referring to step S201 to channel identification information frame.
Step S402: when the channel identification information is set in the optional daughter element subdomain, described in the parsing
Channel logo message frame, obtaining the channel identification information includes: the optional son in the parsing overlapping report information element fields
Element subdomain obtains the channel identification information；Or
When the channel width identification information is set in the optional daughter element subdomain, the parsing channel mark
Know message frame, obtaining the channel width identification information includes: the optional son member in the parsing overlapping report information element fields
Sub-prime domain obtains the channel width identification information；Or
When the region identifier information is set in the optional daughter element subdomain, the parsing channel logo disappears
Frame is ceased, obtaining the region identifier information includes: the optional daughter element subdomain in the parsing overlapping report information element fields, is obtained
To the region identifier information.
Specifically, referring to step S302, details are not described herein again.
It is above-mentioned to illustrate the method for the embodiment of the present invention, following for convenient for better implementing the embodiment of the present invention
Correspondingly the access point of the embodiment of the present invention is provided below in above scheme.
It is a kind of structural schematic diagram of access point 50 provided in an embodiment of the present invention referring to Fig. 5, which includes first
Unit 501 and second unit 502, wherein
The first unit 501 includes channel logo for generating channel logo message frame, the channel logo message frame
Information, the channel identification information indicate the working channel of the sender of the channel logo message frame, and the channel mark
Know information and is also used to judge the channel logo message frame sender and channel logo message frame recipient's frequency spectrums of operation
Overlapping conditions；
The second unit 502 is used to send the channel logo message frame that the first unit 501 generates.
It will be appreciated that the function of modules can be corresponded to reference to Fig. 1-1 in above method embodiment in fact in access point 50
The specific embodiment of example is applied, which is not described herein again.
It should be noted that access point 50 includes the equipment such as wireless router, radio network gateway, wireless bridge, in addition, computer
With mobile phone when providing wireless network to surrounding devices, it is also considered as access point.
Further, the specific effect of the first unit 501 in the access point 50 and second unit 502 are as follows:
The first unit 501 includes channel logo for generating channel logo message frame, the channel logo message frame
Information, channel width identification information and region identifier information, the channel identification information, the channel width identification information and institute
In the optional daughter element subdomain for stating overlapping report information element fields of the region identifier Information encapsulation in channel identification information frame, institute
Stating channel identification information indicates the working channel of sender of the channel logo message frame, the channel width identification information table
Show the bandwidth of operation of the sender of the channel logo message frame, the region identifier information indicates the channel logo message frame
Sender the country in which it is located or area, and channel identification information, channel width identification information and the region identifier information
It is also used to judge the overlapping shape of the channel logo message frame sender and channel logo message frame recipient's frequency spectrums of operation
Condition；
The second unit 502 is used to send the channel logo message frame that the first unit 501 generates.
It will be appreciated that the function of modules can be corresponded to reference to Fig. 2-1 in above method embodiment in fact in access point 50
The specific embodiment of example is applied, which is not described herein again.
It should be noted that access point 50 includes the equipment such as wireless router, radio network gateway, wireless bridge, in addition, computer
With mobile phone when providing wireless network to surrounding devices, it is also considered as access point.
It is the structural schematic diagram of another access point 60 provided in an embodiment of the present invention referring to Fig. 6, which includes the
One unit 601 and second unit 602, wherein
The first unit 601 includes channel logo for receiving channel logo message frame, the channel logo message frame
Information, the channel identification information indicate the working channel of the sender of the channel logo message frame；
The second unit 602 obtains the channel identification information, the letter for parsing the channel logo message frame
Road identification information is used to judge the frequency spectrums of operation of the frequency spectrums of operation of described sender and the recipient of the channel logo message frame
Overlapping conditions.
It will be appreciated that the function of modules can correspond to and implement with reference to Fig. 3 in above method embodiment in access point 60
The specific embodiment of example, which is not described herein again.
It should be noted that access point 50 includes the equipment such as wireless router, radio network gateway, wireless bridge, in addition, computer
With mobile phone when providing wireless network to surrounding devices, it is also considered as access point.
Further, the specific effect of the first unit 601 in the access point 60 and second unit 602 are as follows:
The first unit 601 includes channel logo for receiving channel logo message frame, the channel logo message frame
At least one of information, channel width identification information and region identifier information, the channel identification information, the channel width
The optional son of the overlapping report information element fields of identification information and the region identifier Information encapsulation in channel identification information frame
In element subdomain, the channel identification information indicates the working channel of the sender of the channel logo message frame, the channel
Bandwidth identification information indicates the bandwidth of operation of the sender of the channel logo message frame, described in the region identifier information expression
The country in which it is located of the sender of channel logo message frame or area；
When the channel identification information is set in the overlapping report information element fields, the second unit 602 has
Body is used to parse the overlapping report information element fields in the channel logo message frame, obtains the channel identification information；Or
When the channel width identification information is set in the overlapping report information element fields, the second unit
602 are specifically used for parsing the overlapping report information element fields in the channel logo message frame, obtain the channel width mark
Information；Or
When the region identifier information is set in the overlapping report information element fields, the second unit 602 has
Body is used to parse the overlapping report information element fields in the channel logo message frame, obtains the region identifier information.
It will be appreciated that the function of modules can correspond to and implement with reference to Fig. 4 in above method embodiment in access point 60
The specific embodiment of example, which is not described herein again.
It should be noted that access point 50 includes the equipment such as wireless router, radio network gateway, wireless bridge, in addition, computer
With mobile phone when providing wireless network to surrounding devices, it is also considered as access point.
The above-mentioned method for illustrating the embodiment of the present invention and access point, following for convenient for better implementing the present invention
Correspondingly the related system of the embodiment of the present invention is provided below in the above scheme of embodiment.
It is a kind of structural schematic diagram of wireless communication system 70 provided in an embodiment of the present invention referring to Fig. 7, which includes
Method, apparatus and receiver equipment are sent, wherein
Described sender equipment is access point 50 described in Fig. 5；
The receiver equipment is access point 60 described in Fig. 6.
It will be appreciated that the function of modules can be corresponded to reference in above-mentioned access point embodiment in wireless communication system 70
The specific embodiment of access point 50 and access point 60, which is not described herein again.
In conclusion being identified to obtain channel identification information to channel, and will obtain by implementing the embodiment of the present invention
Channel identification information be encapsulated in channel logo message frame, then the message frame is broadcasted, neighbouring access point is allowed to solve
When analysis receives channel logo message frame, the work of the sender of the channel logo message frame can be learnt according to channel identification information
Frequency spectrum, and then obtain the nonoverlapping part of frequency spectrums of operation in itself frequency spectrums of operation with sender, it both can be to avoid adjacent
Interference of the access point to self communication can also make the frequency spectrum of overlapping be fully used.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and weighs according to the present invention
Benefit requires made equivalent variations, still belongs to the scope covered by the invention.
Claims (21)
1. a kind of wireless communications method characterized by comprising
Channel logo message frame is generated, the channel logo message frame includes channel identification information, the channel identification information table
Show the working channel of the sender of the channel logo message frame, and the channel identification information is also used to judge the channel
Identify the overlapping conditions of message frame sender and channel logo message frame recipient's frequency spectrums of operation；So that the channel logo
The determining nonoverlapping part of frequency spectrums of operation with the channel logo message frame sender of message frame recipient, so that described
It is communicated between the site STA s that channel logo message frame recipient is managed using nonoverlapping part with it, to make
Nonoverlapping part is obtained to be fully used；
Send the channel logo message frame.
2. the method according to claim 1, wherein the channel logo message frame also includes channel width mark
Information, the channel width identification information indicate the bandwidth of operation of the sender of the channel logo message frame；The channel strip
Wide identification information is used to send out according to the channel width identification information judgment for the recipient of the channel logo message frame
The overlapping conditions of the frequency spectrums of operation for the side of sending and the frequency spectrums of operation of the recipient.
3. according to the method described in claim 2, it is characterized in that, the channel logo message frame also includes region identifier letter
Breath, the region identifier information indicate the country in which it is located or the area of the sender of the channel logo message frame；The area mark
Know the work that information is used to judge for the recipient of the channel logo message frame according to the region identifier information described sender
Make the overlapping conditions of frequency spectrum and the frequency spectrums of operation of the recipient.
4. according to the method described in claim 3, it is characterized in that, the channel logo message frame includes overlapping report information member
Prime field；There is at least one setting in the channel identification information, the channel width identification information and the region identifier information
In the overlapping report information element fields.
5. according to the method described in claim 4, it is characterized in that, the overlapping report information element fields include optional daughter element
Subdomain has at least one encapsulation in the channel identification information, the channel width identification information and the region identifier information
In the optional daughter element subdomain.
6. a kind of wireless communications method characterized by comprising
Channel logo message frame is received, the channel logo message frame includes channel identification information, the channel identification information table
Show the working channel of the sender of the channel logo message frame；
The channel logo message frame is parsed, the channel identification information is obtained, the channel identification information is described for judging
The overlapping conditions of the frequency spectrums of operation of the recipient of the frequency spectrums of operation of sender and the channel logo message frame；
The determining nonoverlapping part of frequency spectrums of operation with the channel logo message frame sender；
It is communicated between the site STA s managed using nonoverlapping part with it, so that nonoverlapping portion
Divide and is fully used.
7. according to the method described in claim 6, it is characterized in that, the channel logo message frame also includes channel width mark
Information, the channel width identification information indicate the bandwidth of operation of the sender of the channel logo message frame, the reception letter
Road identifies after message frame, further includes:
The channel logo message frame is parsed, the channel width identification information is obtained, the channel width identification information is used for
Judge the overlapping conditions of the frequency spectrums of operation of described sender and the frequency spectrums of operation of the recipient of the channel logo message frame.
8. the method according to the description of claim 7 is characterized in that the channel logo message frame also includes region identifier letter
Breath, the region identifier information indicate the country in which it is located or the area of the sender of the channel logo message frame；The reception letter
Road identifies after message frame, further includes:
The channel logo message frame is parsed, the region identifier information is obtained, the region identifier information is described for judging
The overlapping conditions of the frequency spectrums of operation of the recipient of the frequency spectrums of operation of sender and the channel logo message frame.
9. according to the method described in claim 8, it is characterized in that, the channel logo message frame includes overlapping report information member
Prime field；There is at least one setting in the channel identification information, the channel width identification information and the region identifier information
In the overlapping report information element fields；
When the channel identification information is set in the overlapping report information element fields, the parsing channel logo disappears
Frame is ceased, obtaining the channel identification information includes: the overlapping report information element fields in the parsing channel logo message frame, is obtained
To the channel identification information；Or
When the channel width identification information is set in the overlapping report information element fields, the parsing channel mark
Know message frame, obtaining the channel width identification information includes: the overlapping report information in the parsing channel logo message frame
Element fields obtain the channel width identification information；Or
When the region identifier information is set in the overlapping report information element fields, the parsing channel logo disappears
Frame is ceased, obtaining the region identifier information includes: the overlapping report information element fields in the parsing channel logo message frame, is obtained
To the region identifier information.
10. according to the method described in claim 9, it is characterized in that, the overlapping report information element fields include optional son member
There is at least one envelope in sub-prime domain in the channel identification information, the channel width identification information and the region identifier information
In the optional daughter element subdomain；
When the channel identification information is set in the optional daughter element subdomain, the parsing channel logo message
Frame, obtaining the channel identification information includes: the optional daughter element subdomain in the parsing overlapping report information element fields, is obtained
The channel identification information；Or
When the channel width identification information is set in the optional daughter element subdomain, the parsing channel logo disappears
Frame is ceased, obtaining the channel width identification information includes: optional daughter element in the parsing overlapping report information element fields
Domain obtains the channel width identification information；Or
When the region identifier information is set in the optional daughter element subdomain, the parsing channel logo message
Frame, obtaining the region identifier information includes: the optional daughter element subdomain in the parsing overlapping report information element fields, is obtained
The region identifier information.
11. a kind of access point characterized by comprising
First unit, for generating channel logo message frame, the channel logo message frame includes channel identification information, the letter
Road identification information indicates the working channel of the sender of the channel logo message frame, and the channel identification information is also used to
Judge the overlapping conditions of the channel logo message frame sender and channel logo message frame recipient's frequency spectrums of operation；So that
The determining nonoverlapping part of frequency spectrums of operation with the channel logo message frame sender of the channel logo message frame recipient,
So that the channel logo message frame recipient using between nonoverlapping part and its site STA s managed into
Row communication, so that nonoverlapping part is fully used；
Second unit, the channel logo message frame generated for sending the first unit.
12. access point according to claim 11, which is characterized in that the channel logo message frame also includes channel width
Identification information, the channel width identification information indicate the bandwidth of operation of the sender of the channel logo message frame；The letter
Road bandwidth identification information is used for the recipient for the channel logo message frame according to the channel width identification information judgment institute
State the overlapping conditions of the frequency spectrums of operation of sender and the frequency spectrums of operation of the recipient.
13. access point according to claim 12, which is characterized in that the channel logo message frame also includes region identifier
Information, the region identifier information indicate the country in which it is located or the area of the sender of the channel logo message frame；The area
Identification information is used to judge described sender according to the region identifier information for the recipient of the channel logo message frame
The overlapping conditions of frequency spectrums of operation and the frequency spectrums of operation of the recipient.
14. access point according to claim 13, which is characterized in that the channel logo message frame includes overlapping report letter
Cease element fields；There is at least one in the channel identification information, the channel width identification information and the region identifier information
It is set in the overlapping report information element fields.
15. access point according to claim 14, which is characterized in that the overlapping report information element fields include optional son
Element subdomain has at least one in the channel identification information, the channel width identification information and the region identifier information
It is encapsulated in the optional daughter element subdomain.
16. a kind of access point characterized by comprising
First unit, for receiving channel logo message frame, the channel logo message frame includes channel identification information, the letter
Road identification information indicates the working channel of the sender of the channel logo message frame；
Second unit obtains the channel identification information, the channel identification information for parsing the channel logo message frame
For judging the overlapping conditions of the frequency spectrums of operation of the frequency spectrums of operation of described sender and the recipient of the channel logo message frame,
And for the determining nonoverlapping part of frequency spectrums of operation with the channel logo message frame sender, using described nonoverlapping
It is communicated between the site STA s that part is managed with it, so that nonoverlapping part is fully used.
17. access point according to claim 16, which is characterized in that the channel logo message frame also includes channel width
Identification information, the channel width identification information indicate the bandwidth of operation of the sender of the channel logo message frame,
The second unit is also used to parse the channel logo message frame, obtains the channel width identification information, the letter
Road bandwidth identification information is used to judge the work of the frequency spectrums of operation of described sender and the recipient of the channel logo message frame
The overlapping conditions of frequency spectrum.
18. access point according to claim 17, which is characterized in that the channel logo message frame also includes region identifier
Information, the region identifier information indicate the country in which it is located or the area of the sender of the channel logo message frame, the access
Point further include:
The second unit is also used to parse the channel logo message frame, obtains the region identifier information, the area mark
Know the weight that information is used to judge the frequency spectrums of operation of described sender and the frequency spectrums of operation of the recipient of the channel logo message frame
Stacked condition.
19. access point according to claim 18, which is characterized in that the channel logo message frame includes overlapping report letter
Cease element fields；There is at least one in the channel identification information, the channel width identification information and the region identifier information
It is set in the overlapping report information element fields；
When the channel identification information is set in the overlapping report information element fields, the second unit is specifically used for solution
The overlapping report information element fields in the channel logo message frame are analysed, the channel identification information is obtained；Or
When the channel width identification information is set in the overlapping report information element fields, the second unit is specifically used
In parsing the overlapping report information element fields in the channel logo message frame, the channel width identification information is obtained；Or
When the region identifier information is set in the overlapping report information element fields, the second unit is specifically used for solution
The overlapping report information element fields in the channel logo message frame are analysed, the region identifier information is obtained.
20. access point according to claim 19, which is characterized in that the overlapping report information element fields include optional son
Element subdomain has at least one in the channel identification information, the channel width identification information and the region identifier information
It is encapsulated in the optional daughter element subdomain；
When the channel identification information is set in the optional daughter element subdomain, the second unit is specifically used for parsing institute
The optional daughter element subdomain in overlapping report information element fields is stated, the channel identification information is obtained；Or
When the channel width identification information is set in the optional daughter element subdomain, the second unit is specifically used for solution
The optional daughter element subdomain in the overlapping report information element fields is analysed, the channel width identification information is obtained；Or
When the region identifier information is set in the optional daughter element subdomain, the second unit is specifically used for parsing institute
The optional daughter element subdomain in overlapping report information element fields is stated, the region identifier information is obtained.
21. a kind of wireless communication system, which is characterized in that including sending method, apparatus and receiver equipment, wherein
Described sender equipment is such as the described in any item access points of claim 11-15；
The receiver equipment is such as the described in any item access points of claim 16-20.
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