CN106559107A - A kind of method and device for determining dual-mode antenna - Google Patents
A kind of method and device for determining dual-mode antenna Download PDFInfo
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- CN106559107A CN106559107A CN201510595223.1A CN201510595223A CN106559107A CN 106559107 A CN106559107 A CN 106559107A CN 201510595223 A CN201510595223 A CN 201510595223A CN 106559107 A CN106559107 A CN 106559107A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
Abstract
The present invention provides a kind of method and device for determining dual-mode antenna, including：The access request that access point AP receiving workstation points STA sends；According to the access request, the AP determines that in default antenna composite set the first optimal antenna is combined；First optimal antenna is combined as the AP using during first optimal antenna combination, meets the first pre-conditioned antenna combination；If the AP is pre-conditioned using first optimal antenna combination satisfaction second, the signal of the STA is combined to the STA sending signals and is received using first optimal antenna.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of method and device for determining dual-mode antenna.
Background technology
Often there is violent change in wireless channel, directly result in uncertain channel fading.Additionally,
Wireless channel is also faced with the interference of multi-path jamming and other wireless devices.At present in wireless channel Anti jamming Scheme,
Intelligent antenna technology is a kind of more effective antijamming measure.AP (Access Point, access point) adopts intelligence
Can antenna technology when selecting the transmitting antenna to STA (Station, work station) sending signal, automatically select and send out
Penetrate antenna or adjustment transmitting antenna parameter, can adapt to being continually changing for wireless channel so that AP with
Wireless channel between STA keeps a preferably state.
When STA accesses AP, STA of the Wi-Fi subsystems of antenna system for access in AP,
All antenna combinations comprising N number of antenna in M antenna of traversal, calculate and are obtained according to each antenna combination
Frame error ratio, frame retransmission rate, the signal reception power of signal of frame loss ratio and the STA for receiving etc.
Singal reporting code, and the antenna combination that one group of optimum antenna combination of singal reporting code is used as being communicated with STA.
When antenna system works every time, it is required for N number of antenna is selected in M antenna, also implying that needs
Will be in MNTraveled through and calculated in individual possible antenna combination, so as to select an antenna combination, and will
The antenna combination that the antenna combination is used as communication.
As antenna amount increases in the aerial array of antenna system, some aerial arrays may be included
Up to thousands of antennas, the efficiency of antenna system selection transmitting antenna can be very low so that the STA of access
Need the signal for waiting a very long time just receive AP transmissions.
The content of the invention
The embodiment of the present invention provides a kind of method and device for determining dual-mode antenna, to solve in smart antenna
The problem that the efficiency of determination dual-mode antenna is low in system, cause the signal speed that STA reception AP send slow.
A kind of first aspect, there is provided method of determination dual-mode antenna, including：
The access request that access point AP receiving workstation points STA sends；
According to the access request, the AP determines that in default antenna composite set the first optimal antenna is combined；
First optimal antenna is combined as the AP using during first optimal antenna combination, meets first and presets
The antenna combination of condition；
If the AP is pre-conditioned using first optimal antenna combination satisfaction second, using described first
Optimal antenna combines to the STA sending signals and receives the signal of the STA.
With reference in a first aspect, in the first possible implementation of first aspect,
The AP determines the training STA for accessing the AP, and the N number of antenna sets in by M antenna
Into all possible antenna combination in, be that the training STA determines one to meet described first pre-conditioned
The combination of the second optimal antenna, the M antenna is the antenna installed in the AP；
The AP determines that in K antenna combination set second optimal antenna combines corresponding antenna sets
Intersection is closed, and second optimal antenna combination corresponding antenna combination set is saved in the default antenna
In composite set；
Wherein, the AP determines the K antenna combination set according in the following manner：
The AP determines K aerial radiation direction scope；
The all possible antenna combination is divided by the AP according to the K aerial radiation direction scope
For K antenna combination set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set
In same aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, N
Less than or equal to M.
With reference to the first possible implementation of first aspect, in second possible realization of first aspect
In mode, the AP determines the training STA for accessing the AP, including：
The AP receives the management frame that STA sends；
If it is determined that there is training mark in the AP, it is determined that send the STA of the management frame in the management frame
To train STA.
With reference to the first possible implementation of first aspect, in the third possible realization of first aspect
In mode, methods described also includes：
The AP strengthens the radiant intensity of the antenna in the default antenna composite set.
With reference to first aspect or first aspect the first to any one the possible realization side in the third
Formula, in the 4th kind of possible implementation of first aspect, also includes：
If the AP be unsatisfactory for using first optimal antenna combination it is described second pre-conditioned, except institute
It is that the STA determines that one meets described first and presets in stating the antenna combination outside default antenna composite set
The 3rd optimal antenna combination of condition；
The AP is combined to the STA sending signals using the 3rd optimal antenna and is received the STA
The signal of transmission.
With reference to the 4th kind of possible implementation of first aspect, in the 5th kind of possible realization of first aspect
In mode, the AP is combined to the STA sending signals using the 3rd optimal antenna and is received described
After the signal that STA sends, also include：
The AP determines that in K antenna combination set the 3rd optimal antenna combines corresponding antenna sets
Intersection is closed, and the 3rd optimal antenna combination corresponding antenna combination set is saved in the default antenna
In composite set；
Wherein, the AP determines the K antenna combination set according in the following manner：
The AP determine by M antenna in all possible antenna combination that constitutes of N number of antenna, and really
Determine K aerial radiation direction scope, the M antenna is the antenna installed in the AP；
The all possible antenna combination is divided by the AP according to the K aerial radiation direction scope
For K antenna combination set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set
In same aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, N
Less than or equal to M.
With reference to first aspect or first aspect the first to any one the possible realization side in the 5th kind
Formula, in the 6th kind of possible implementation of first aspect, described first is pre-conditioned in following condition
Any one or more：
Antenna combination with peak signal receiving power；
Antenna combination with minimum frame error ratio；
Antenna combination with minimum frame retransmission rate；
Antenna combination with minimum frame loss ratio.
With reference to first aspect or first aspect the first to any one the possible realization side in the 6th kind
Formula, in the 7th kind of possible implementation of first aspect, described second is pre-conditioned in following condition
Any one or more：
Peak signal receiving power is more than first threshold；
Minimum frame error ratio is less than Second Threshold；
Minimum frame retransmission rate is less than the 3rd threshold value；
Minimum frame loss ratio is less than the 4th threshold value.
Second aspect, there is provided a kind of device of determination dual-mode antenna, the device include：
Transmit-Receive Unit, for the access request that receiving workstation point STA sends；
Determining unit, for the first optimum day is determined in default antenna composite set according to the access request
Line is combined；First optimal antenna is combined as the AP using during first optimal antenna combination, meets
First pre-conditioned antenna combination；
The Transmit-Receive Unit, if for using first optimal antenna combination satisfaction second pre-conditioned,
The signal of the STA is combined to the STA sending signals and is received using first optimal antenna.
With reference to second aspect, in the first possible implementation of second aspect,
The determining unit is additionally operable to, it is determined that the training STA of described device is accessed, and in by M antenna
N number of antenna composition all possible antenna combination in, be the training STA determine one meet described in
First pre-conditioned second optimal antenna combination, the M antenna are the antenna installed in described device；
Determine that second optimal antenna combines corresponding antenna combination set in K antenna combination set,
And second optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
Determine K aerial radiation direction scope；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
With reference to the first possible implementation of second aspect, in second possible realization of second aspect
In mode, the Transmit-Receive Unit is specifically for receiving the management frame that STA sends；
The determining unit specifically for, however, it is determined that in the management frame exist training mark, it is determined that send
The STA of the management frame is training STA.
With reference to the first possible implementation of second aspect, in the third possible realization of second aspect
In mode, the Transmit-Receive Unit is additionally operable to：
Strengthen the radiant intensity of the antenna in the default antenna composite set.
With reference to second aspect or second aspect the first to any one the possible realization side in the third
Formula, in the 4th kind of possible implementation of second aspect, the determining unit is additionally operable to：
If be unsatisfactory for using first optimal antenna combination it is described second pre-conditioned, except described default
It is that the STA determines one to meet described first pre-conditioned in antenna combination outside antenna combination set
3rd optimal antenna is combined；
The Transmit-Receive Unit is additionally operable to, combined to the STA sending signals using the 3rd optimal antenna and
Receive the signal that the STA sends.
With reference to the 4th kind of possible implementation of second aspect, in the 5th kind of possible realization of second aspect
In mode, the determining unit is additionally operable to：
Determine that the 3rd optimal antenna combines corresponding antenna combination set in K antenna combination set,
And the 3rd optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
It is determined that all possible antenna combination that the N number of antenna in by M antenna is constituted, and determine K day
Beta radiation direction scope, the M antenna are the antenna installed in described device；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
With reference to second aspect or second aspect the first to any one the possible realization side in the 5th kind
Formula, in the 6th kind of possible implementation of second aspect, described first is pre-conditioned in following condition
Any one or more：
Antenna combination with peak signal receiving power；
Antenna combination with minimum frame error ratio；
Antenna combination with minimum frame retransmission rate；
Antenna combination with minimum frame loss ratio.
With reference to second aspect or second aspect the first to any one the possible realization side in the 6th kind
Formula, in the 7th kind of possible implementation of second aspect, described second is pre-conditioned in following condition
Any one or more：
Peak signal receiving power is more than first threshold；
Minimum frame error ratio is less than Second Threshold；
Minimum frame retransmission rate is less than the 3rd threshold value；
Minimum frame loss ratio is less than the 4th threshold value.
A kind of third aspect, there is provided AP, including：Processor, memorizer, Ethernet chip, Wi-Fi cores
Piece, radio frequency unit, day line options control unit, aerial array；
Processor, for the access request sent by antenna array receiver working terminal STA；
Processor, for the first optimal antenna is determined in default antenna composite set according to the access request
Combination；When first optimal antenna is combined as the AP and uses first optimal antenna to combine, the is met
One pre-conditioned antenna combination；
Processor, if for pre-conditioned using first optimal antenna combination satisfaction second, using institute
State the signal that the first optimal antenna combined to the STA sending signals and received the STA.
With reference to the third aspect, in the first possible implementation of the third aspect, the processor is also used
In, it is determined that access the training STA of the AP, and owning of constituting of the N number of antenna in by M antenna
In possible antenna combination, it is that the training STA determines that one meets described first pre-conditioned second most
Excellent antenna combination, the M antenna are the antenna installed in the AP；
Determine that second optimal antenna combines corresponding antenna combination set in K antenna combination set,
And second optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
Determine K aerial radiation direction scope；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
With reference to the first possible implementation of the third aspect, in second possible realization of the third aspect
In mode, processor, for the management frame sent by antenna array receiver STA；
The processor, for if it is determined that there is training mark in the management frame, it is determined that send the pipe
The STA of reason frame is training STA.
With reference to the first possible implementation of the third aspect, in the third possible realization of the third aspect
In mode, processor, for strengthening the spoke of the antenna in the default antenna composite set by aerial array
Penetrate intensity.
With reference to the third aspect or the third aspect the first to any one the possible realization side in the third
Formula, in the 4th kind of possible implementation of the third aspect, the processor is additionally operable to：
If be unsatisfactory for using first optimal antenna combination it is described second pre-conditioned, except described default
It is that the STA determines one to meet described first pre-conditioned in antenna combination outside antenna combination set
3rd optimal antenna is combined；
The processor, is sent out for being combined to the STA using the 3rd optimal antenna by aerial array
The signal that the number of delivering letters and the reception STA send.
With reference to the 4th kind of possible implementation of the third aspect, in the 5th kind of possible realization of the third aspect
In mode, the processor is additionally operable to：
Determine that the 3rd optimal antenna combines corresponding antenna combination set in K antenna combination set,
And the 3rd optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
It is determined that all possible antenna combination that the N number of antenna in by M antenna is constituted, and determine K day
Beta radiation direction scope, the M antenna are the antenna installed in the AP；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
With reference to the third aspect or the third aspect the first to any one the possible realization side in the 5th kind
Formula, in the 6th kind of possible implementation of the third aspect, described first is pre-conditioned in following condition
Any one or more：
Antenna combination with peak signal receiving power；
Antenna combination with minimum frame error ratio；
Antenna combination with minimum frame retransmission rate；
Antenna combination with minimum frame loss ratio.
With reference to the third aspect or the third aspect the first to any one the possible realization side in the 6th kind
Formula, in the 7th kind of possible implementation of the third aspect, described second is pre-conditioned in following condition
Any one or more：
Peak signal receiving power is more than first threshold；
Minimum frame error ratio is less than Second Threshold；
Minimum frame retransmission rate is less than the 3rd threshold value；
Minimum frame loss ratio is less than the 4th threshold value.
The method and device for providing according to embodiments of the present invention, AP when determining that optimal antenna is combined for STA,
Determine whether there is optimal antenna combination first in default antenna composite set, if it is present according to institute
State optimal antenna to combine to the STA sending signals.In said method, AP need not be in all possible day
Optimal antenna combination is selected in line combination, so as to reduce the time of optimal antenna combination selection, is improve most
The efficiency that excellent antenna combination is selected, and then STA is improve to the speed of AP sending signals.
Description of the drawings
Fig. 1 is the system schematic of a typical WLAN deployment scene；
Fig. 2 is a kind of aerial radiation schematic diagram provided in an embodiment of the present invention；
Fig. 3 is another kind of aerial radiation schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of method flow schematic diagram for determining dual-mode antenna provided in an embodiment of the present invention；
Fig. 5 is a kind of information element structural representation provided in an embodiment of the present invention；
Fig. 6 is a kind of STA distribution schematic diagrams provided in an embodiment of the present invention；
Fig. 7 is a kind of apparatus structure schematic diagram for determining dual-mode antenna provided in an embodiment of the present invention；
Fig. 8 is a kind of AP structural representations provided in an embodiment of the present invention.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing to this
It is bright to be described in further detail, it is clear that described embodiment is only present invention some embodiments,
Rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
The all other embodiment obtained under the premise of going out creative work, belongs to the scope of protection of the invention.
The embodiment of the present invention is described in detail with reference to Figure of description.
The embodiment of the present invention can apply to WLAN (English：Wireless Local Area Network,
Referred to as：WLAN), current WLAN accepted standards are IEEE (English：Institute of Electrical and
Electronics Engineers, Chinese：Institute of Electrical and Electric Engineers) it is 802.11 serial.WLAN can
With including multiple Basic Service Sets (English：Basic Service Set, referred to as：BSS), basic service is concentrated
Network node be website (STA), website includes the website (AP) of access point class and the station of non-access point class
Point (English：None Access Point Station, referred to as：Non-AP STA).Each Basic Service Set can
With comprising an AP and multiple Non-AP STA for being associated with the AP.
Access point class website, also referred to as wireless access points or focus etc..AP is that mobile subscriber's entrance has
The access point of gauze network, inside family, inside buildings and garden, typical covering radius is major deployments
Tens meters to rice up to a hundred, it is of course also possible to be deployed in open air.AP is equivalent to a connection wired network and wirelessly
The bridge of net, its Main Function are to connect together each wireless network clients, then by wireless network
Access network based on ethernet.Specifically, AP can be with Wi-Fi (Wireless Fidelity, Wireless Fidelity) core
The terminal unit or the network equipment of piece.Alternatively, AP can be the equipment for supporting 802.11ax standards, enter
Alternatively, the AP can be support 802.11ac, 802.11n, 802.11g, 802.11b and 802.11a to one step
Etc. the equipment of various WLAN standards.
Website (the English of non-access point class：None Access Point Station, referred to as：Non-AP STA),
Can be wireless communications chips, wireless senser or wireless communication terminal.For example：Support WiFi communication function
Mobile phone, support WiFi communication function panel computer, support WiFi communication function Set Top Box,
The intelligent television for supporting WiFi communication function, the intelligent wearable device for supporting WiFi communication function, support
The computer of the vehicular communication equipment and support WiFi communication function of WiFi communication function.Alternatively, website can
To support 802.11ax standards, still optionally further, the website support 802.11ac, 802.11n, 802.11g,
Various WLAN standards such as 802.11b and 802.11a.
Fig. 1 is the system schematic of a typical WLAN deployment scene, including AP and 3 STA,
AP is communicated with STA1, STA2 and STA3 respectively.
As shown in Fig. 2 being a kind of aerial radiation schematic diagram provided in an embodiment of the present invention.Antenna in Fig. 2
Antenna pattern can realize that 360 degree of omniranges are covered, the signal radiant intensity in each direction is identical.Adopt
During with antenna in Fig. 2, it is not possible to the independent signal radiant intensity for increasing recipient direction.In order to not
On the premise of dramatically increasing system power, the signal radiant intensity in enhancing signal recipient direction is main at present
It is to adopt intelligent antenna technology.In using the AP of intelligent antenna technology, multiple antennas can be installed, each antenna
Antenna pattern can only radiate certain angle, such as 90 degree.Can using the AP of intelligent antenna technology
The arrival direction (DOA, Direction Of Arrival) of signal is detected, such that it is able to the STA to accessing
Direction estimated, and using antenna pattern and the access in the antenna installed STA relative to AP
STA sending signals from the corresponding antenna in direction to the access.
Specifically, as shown in figure 3, being another kind of aerial radiation schematic diagram provided in an embodiment of the present invention.Fig. 3
In each antenna can only radiate certain angle.Each antenna pair answers a terminal, can cause each terminal
Obtain higher reception signal.
When the AP using intelligent antenna technology is accessed, AP can send test data frame to STA to STA, and
The frame error ratio of test data frame that statistics sends, frame retransmission rate, frame loss ratio and the STA's that receives
The information such as the signal reception power of signal.The data that AP may be obtained according to test, select one group of optimum
Antenna combination is used as the used antenna combination that communicated with the STA.
Based on above description, as shown in figure 4, a kind of determination dual-mode antenna provided in an embodiment of the present invention
Method flow schematic diagram.
Referring to Fig. 4, the method includes：
Step 401：The access request that access point AP receiving workstation points STA sends；
Step 402：According to the access request, the AP determines that in default antenna composite set first is optimum
Antenna combination；First optimal antenna is combined as the AP using during first optimal antenna combination, full
The first pre-conditioned antenna combination of foot；
Step 403：If the AP is pre-conditioned using first optimal antenna combination satisfaction second, make
The signal of the STA is combined to the STA sending signals and is received with first optimal antenna.
In step 401, before AP receives the access request that STA sends, it is also possible to can be to the identity of STA
It is authenticated, and in authentication by can just respond the access request that STA sends afterwards.
In the embodiment of the present invention, STA can be any terminal, for example can for mobile phone, computer,
Panel computer, personal digital assistant's (English：Personal digital assistant, abbreviation：PDA it is), mobile
Internet device (English：Mobile Internet device, abbreviation：MID), wearable device, the Internet
Agreement (English：Internet Protocol, abbreviation：IP) phone, the network printer and E-book reader (English
Text：E-book reader) etc..
In step 402, M antenna in AP, is mounted with, needs to use N when AP is communicated with STA
Individual antenna.When STA accesses AP, AP can select N number of antenna from M antenna as an antenna
Combination, and determine when the antenna combination selected meet first it is pre-conditioned when, using the antenna combination as with
The antenna combination that the STA is used when being communicated.
Wherein, first it is pre-conditioned can be following condition in any one or more：
Antenna combination with peak signal receiving power；
Antenna combination with minimum frame error ratio；
Antenna combination with minimum frame retransmission rate；
Antenna combination with minimum frame loss ratio.
In the embodiment of the present invention, AP can predefine out a default antenna composite set, the default antenna
The antenna combination that can include in composite set generally accesses the commonly used antenna combinations of STA of AP.
Any antenna combination can not also be included in the default antenna composite set.When STA accesses AP, AP is excellent
First pre-conditioned first optimal antenna group of satisfaction is determined whether there is in default antenna composite set first
Close, thus can quickly determine that the first optimal antenna is combined, so as to improve the work efficiency of system.
AP determines that the mode of default antenna composite set has various, in order to accurately and rapidly determine default day
Line composite set, can determine default antenna composite set by training STA in the embodiment of the present invention.AP
It is determined that the antenna combination for using that communicates with the training STA for accessing, and the day used communicating with training STA
Antenna combination of the aerial radiation direction of line combination in same scope is gathered as one, and this is gathered
It is defined as default antenna composite set.
Specifically, AP determines the training STA for accessing the AP, and the N number of day in by M antenna
In all possible antenna combination of line composition, it is that the training STA determines one to meet described first default
The second optimal antenna combination of condition, the M antenna is the antenna installed in the AP.
The AP determines that in K antenna combination set second optimal antenna combines corresponding antenna sets
Intersection is closed, and second optimal antenna combination corresponding antenna combination set is saved in the default antenna
In composite set；Wherein, the AP determines the K antenna combination set according in the following manner：
The AP determines K aerial radiation direction scope；
The all possible antenna combination is divided by the AP according to the K aerial radiation direction scope
For K antenna combination set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set
In same aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, N
Less than or equal to M.
For example, the aerial radiation direction scope that AP is determined is：0～120 degree of direction of covering level.
AP first determine by M antenna in all possible antenna combination that determines of N number of antenna, and this is owned
In possible antenna combination, aerial radiation direction is positioned over the selection of the antenna combination in 0～120 degree of direction of level
Out, the antenna combination selected from all possible antenna combination is defined as into an antenna then
Composite set, is finally saved in the antenna combination set in default antenna composite set.
By said method, K antenna combination set can be determined according to K aerial radiation direction scope.
For example, the antenna pattern of the M antenna installed in AP can be drawn by AP according to following rule
It is divided into six aerial radiation direction scopes：
First aerial radiation direction scope：0～120 degree of direction of covering level；
Second aerial radiation direction scope：120～240 degree of directions of covering level；
3rd aerial radiation direction scope：240～360 degree of directions of covering level；
4th aerial radiation direction scope：Cover vertical 0～120 degree of direction；
5th aerial radiation direction scope：Cover vertical 120～240 degree of directions；
6th aerial radiation direction scope：Cover vertical 240～360 degree of directions.
Certainly, it is more than an example, aerial radiation direction scope can be determined according to practical situation, often
The size of individual aerial radiation direction scope can be with identical, it is also possible to different, and the embodiment of the present invention is not limited to this
It is fixed.
It should be noted that when not adopting training STA to be trained, may not have in default antenna composite set
There is any antenna combination.
Optionally, in order to improve the accuracy of training, AP is it is determined that the access for receiving training STA transmissions please
After asking, the AP strengthens the radiant intensity of the antenna in the default antenna composite set.Can so cause
The signal in radiation direction residing for training STA is higher.
By training STA so that AP determines the distribution situation of the normal STA for accessing AP, so as to true
Making the normal STA for accessing AP may corresponding first optimal antenna combination.
Whether AP can be by carrying training mark determining in management frame that the STA for judging to access sends
Whether the STA of access is training STA.Specifically, AP receives the management frame that STA sends；The AP
When it is determined that there is training mark in the management frame, it is determined that the STA for sending the management frame is training STA.
Wherein, management frame is mainly used in the function such as negotiation, association, certification, synchronous between STA and AP.
Management frame includes following frame：
Beacon frame Beacon Frame；Probe request Probe Request Frame；Probing response frame Probe
Response Frame；Authentication request frames Auth Request Frame；Authentication response frames Auth Response
Frame；Association request frame Association Request Frame；Association response frame Association Response
Frame。
Optionally, training mark can be self-defining information word in the frame main body (frame body) of management frame
Plain (information element).As shown in figure 5, tying for a kind of information element provided in an embodiment of the present invention
Structure schematic diagram.In Fig. 5, information element generally comprises component identification (Element ID) word of 1 byte
The unfixed information (information) of section, length (Length) field of 1 byte and length
Field.Element ID in the corresponding information element of training mark can be 802.11 untapped guarantors of IEEE
(Reserved) ID is stayed, such as 120.Information fields in the corresponding information element of training mark can
With comprising two parts：VERSION and VENDROR STRING, wherein VERSION parts table
Show the version of training mark, 2 bytes can be accounted for；VENDROR STRING parts can be used to indicate that
The information such as the company-information of STA or AP.
In step 403, as the first optimal antenna combination that AP is STA determinations is combined from default antenna
Determine in set, rather than all possible antenna that the N number of antenna from by M antenna is constituted
Determine in combination, so the combination of the first optimal antenna may can not meet what is met required for communication
Second is pre-conditioned.Therefore AP selects first optimal antenna from default antenna composite set and combines it
Afterwards, it is also possible to need whether the first optimal antenna combination for judging selection disclosure satisfy that second is pre-conditioned, only
Have meet second it is pre-conditioned after just using first optimal antenna combine to access STA sending signals with
Receive the signal that the STA sends.
Specifically, second it is pre-conditioned can be following condition in any one or more：
Peak signal receiving power is more than first threshold；
Minimum frame error ratio is less than Second Threshold；
Minimum frame retransmission rate is less than the 3rd threshold value；
Minimum frame loss ratio is less than the 4th threshold value.
It should be noted that first threshold, Second Threshold, the 3rd threshold value and the 4th threshold value can be according to realities
Border situation goes to arrange；Or, first threshold, Second Threshold, the 3rd threshold value and the 4th threshold value can bases
Regulation in WLAN standard goes to arrange, and the embodiment of the present invention is not limited to this.
If AP is determining that to combine satisfaction using first optimal antenna second pre-conditioned,
It is that the STA determines that one meets described first in antenna combination in addition to the default antenna composite set
Pre-conditioned the 3rd optimal antenna combination；The AP is combined to the STA using the 3rd optimal antenna
The signal that sending signal and the reception STA send.
It should be noted that the antenna combination in addition to the default antenna composite set refers to following antenna
Combination：In all possible antenna combination that N number of antenna in by M antenna is constituted, except the default day
Antenna combination outside line composite set.
The method by training STA to determine default antenna composite set is described in step 402, the present invention is real
Default antenna composite set can also be determined by accessing the STA of AP in applying example, or by accessing AP
STA default antenna composite set is supplemented.
Specifically, if default antenna composite set is sky, can by the following method by the STA of access AP
Determine default antenna composite set：
AP determines that in K antenna combination set the 3rd optimal antenna combines corresponding antenna combination set
Close, and the 3rd optimal antenna is combined into corresponding antenna combination set and be saved in the default antenna combination
In set；
Wherein, the AP determines the K antenna combination set according in the following manner：
The AP determine by M antenna in all possible antenna combination that constitutes of N number of antenna, and really
Determine K aerial radiation direction scope, the M antenna is the antenna installed in the AP；
The all possible antenna combination is divided by the AP according to the K aerial radiation direction scope
For K antenna combination set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set
In same aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, N
Less than or equal to M.
Accordingly, if default antenna composite set is not sky, can by the following method by accessing AP's
STA is supplemented to default antenna composite set：
AP determines that in K antenna combination set the 3rd optimal antenna combines corresponding antenna combination set
Close, and the 3rd optimal antenna is combined into corresponding antenna combination set and be saved in the default antenna combination
In set.
Default antenna composite set is supplemented, the STA that can enable AP to access exists faster
The used antenna combination that communicates with the STA is determined in default antenna composite set.
Said method flow process is described in detail below by embodiment.
AP is general after configuration is complete, seldom understands shift position.Under many scenes, the STA of AP is accessed
It is likely to be in the range of the fixed-direction of relative to the direction of AP, AP can preferentially in the fixed-direction
In the range of select an antenna combination as dual-mode antenna, send out such that it is able to quickly determine to the STA for accessing
The number of delivering letters receives the antenna combination used by the signal of the STA transmissions for accessing.
As shown in fig. 6, being a kind of STA distribution schematic diagrams provided in an embodiment of the present invention.In Fig. 6, AP
Aerial radiation direction scope in include 4 STA, wherein, STA1 and STA2 for training STA, STA3
It is non-training STA with STA4.STA1 and STA4 is located in the range of first antenna radiation direction, STA2
In the second aerial radiation direction scope, STA3 is located in the range of third antenna radiation direction.
M antenna is mounted with AP, is needed when AP is communicated with STA using N number of antenna.In AP
Default antenna composite set for sky.
AP can first determine K antenna combination set.
After AP receives the access request that STA1 and STA2 sends, the N number of antenna sets in by M antenna
Into all possible antenna combination in, be that STA1 determines that meets a described first pre-conditioned optimum day
Line is combined, and the antenna combination used as communicating with STA1；N number of antenna sets in by M antenna
Into all possible antenna combination in, be that STA2 determines that meets a described first pre-conditioned optimum day
Line is combined, and the antenna combination used as communicating with STA2.
AP is determined in K antenna combination set and is communicated the corresponding day of used antenna combination with STA1
Line composite set, and the used antenna sets that communicate with STA2 are determined in K antenna combination set
Corresponding antenna combination set is closed, and determine two antenna combination set are saved in into default antenna combination
In set.
When STA4 accesses AP, AP first determines one first for STA4 in default antenna composite set
Optimal antenna is combined, as STA4 and STA1 is respectively positioned in the range of first antenna radiation direction, so if
Disclosure satisfy that second is pre-conditioned using the first optimal antenna combination determined for STA4.Now, AP makes
Communicated with STA4 with the first optimal antenna combination determined for STA4.As AP is in default day
Combine for the first optimal antenna that STA4 is determined in line composite set, reduce the first optimal antenna group of determination
The time of conjunction, improve the efficiency of system.
When STA3 accesses AP, AP first determines one first for STA3 in default antenna composite set
Optimal antenna is combined, as STA3 is located in the range of third antenna radiation direction, using determining for STA3
The combination of the first optimal antenna can not to meet second pre-conditioned, it is therefore desirable to except the default antenna group
Again determine that the second optimal antenna is combined for STA3 in antenna combination outside intersection conjunction.
After AP determines the combination of the second optimal antenna for STA3, AP is also possible to simultaneously can be in K antenna sets
Second optimal antenna of STA3 is combined corresponding antenna set in closing and is saved in default antenna combination of sets by intersection
In conjunction, when the STA in third antenna radiation scope accesses AP again, just can directly default
Determine in antenna combination that the first optimal antenna is combined.
For said method flow process, the embodiment of the present invention also provides a kind of device for determining dual-mode antenna, the dress
The particular content put is referred to said method enforcement, will not be described here.
As shown in fig. 7, the embodiment of the present invention provides a kind of apparatus structure schematic diagram for determining dual-mode antenna, should
Device includes：
Transmit-Receive Unit 701, for the access request that receiving workstation point STA sends；
Determining unit 702, for determining that in default antenna composite set first is optimum according to the access request
Antenna combination；First optimal antenna is combined as the AP using during first optimal antenna combination, full
The first pre-conditioned antenna combination of foot；
The Transmit-Receive Unit 701, if for using first optimal antenna combination satisfaction second pre-conditioned,
The signal of the STA is then combined to the STA sending signals and is received using first optimal antenna.
Preferably, the determining unit 702 is additionally operable to, it is determined that the training STA of described device is accessed, and
In all possible antenna combination that N number of antenna in by M antenna is constituted, it is that the training STA is true
Fixed one meets described first pre-conditioned the second optimal antenna combination, and the M antenna is described device
The antenna of middle installation；
Determine that second optimal antenna combines corresponding antenna combination set in K antenna combination set,
And second optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
Determine K aerial radiation direction scope；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
Preferably, the Transmit-Receive Unit 701 is specifically for receiving the management frame that STA sends；
The determining unit 702 specifically for, however, it is determined that in the management frame exist training mark, it is determined that
The STA for sending the management frame is training STA.
Preferably, the Transmit-Receive Unit 701 is additionally operable to：
Strengthen the radiant intensity of the antenna in the default antenna composite set.
Preferably, the determining unit 702 is additionally operable to：
If be unsatisfactory for using first optimal antenna combination it is described second pre-conditioned, except described default
It is that the STA determines one to meet described first pre-conditioned in antenna combination outside antenna combination set
3rd optimal antenna is combined；
The Transmit-Receive Unit 701 is additionally operable to, and combines to the STA to send using the 3rd optimal antenna and believes
Number and receive the signal that the STA sends.
Preferably, the determining unit 702 is additionally operable to：
Determine that the 3rd optimal antenna combines corresponding antenna combination set in K antenna combination set,
And the 3rd optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
It is determined that all possible antenna combination that the N number of antenna in by M antenna is constituted, and determine K day
Beta radiation direction scope, the M antenna are the antenna installed in described device；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
Preferably, the described first pre-conditioned any one or more in following condition：
Antenna combination with peak signal receiving power；
Antenna combination with minimum frame error ratio；
Antenna combination with minimum frame retransmission rate；
Antenna combination with minimum frame loss ratio.
Preferably, the described second pre-conditioned any one or more in following condition：
Peak signal receiving power is more than first threshold；
Minimum frame error ratio is less than Second Threshold；
Minimum frame retransmission rate is less than the 3rd threshold value；
Minimum frame loss ratio is less than the 4th threshold value.
As shown in figure 8, a kind of AP structural representations provided in an embodiment of the present invention, AP 800 includes：Place
Reason device 801, memorizer 802, Ethernet chip 803, Wi-Fi chips 804, radio frequency unit 805, antenna
Control unit 806, aerial array 807 are selected, wherein, aerial array 807 includes M antenna.Wi-Fi
Connected by N number of radio-frequency receiving-transmitting passage between chip 804 and radio frequency unit 805, N is less than or equal to M
Positive integer.Pass through N number of radio-frequency receiving-transmitting passage between radio frequency unit 805 and day line options control unit 806
Connection.By M radio-frequency receiving-transmitting passage connection between its line options control unit 806 and aerial array 807.
Processor 801 utilizes the various pieces of various interfaces and the whole AP of connection, by running or performing
The instruction that is stored in memorizer 802 and the data being stored in memorizer 802 are called, perform AP 800
Various functions and processing data.Optionally, processor 801 may include one or more processing units；It is excellent
Choosing, processor 801 can integrated modem processor, wherein, modem processor mainly processes nothing
Line communicates.Processor 801 can be central processing unit (English：Central processing unit, abbreviation：
CPU), network processing unit (English：Network processor, abbreviation：) or CPU and NP NP
Combination.Processor 801 can further include hardware chip.Above-mentioned hardware chip can be special integrated
Circuit (English：Application-specific integrated circuit, abbreviation：ASIC), programmable logic device
Part (English：Programmable logic device, abbreviation：PLD) or its combination.Above-mentioned PLD can be with
It is CPLD (English：Complex programmable logic device, abbreviation：CPLD),
Field programmable gate array (English：Field-programmable gate array, abbreviation：FPGA),
GAL (English：Generic array logic, abbreviation：) or its combination in any GAL.
Memorizer 802 can be used for store instruction and data, memorizer 802 mainly can include store instruction area and
Storage data field, storage data field can store the incidence relation of joint touch gestures and function of application；Deposit
Storage instruction area can storage program area, instruction needed at least one function etc..Memorizer 802 can include
Volatile memory (English：Volatile memory), such as random access memory (English：
Random-access memory, abbreviation：RAM)；Memorizer 802 can also include nonvolatile memory
(English：Non-volatile memory), such as read only memory (English：Read-only memory, contracting
Write：ROM), flash memory (English：Flash memory), hard disk (English：Hard disk drive,
Abbreviation：HDD) or solid state hard disc (English：Solid-state drive, abbreviation：SSD)；Memorizer 802
The combination of the memorizer of mentioned kind can also be included.
Ethernet chip 803 is used for the operation such as the transmitting-receiving of Ethernet protocol data, process.
Wi-Fi chips 804 are used for the operation such as the transmitting-receiving of Wi-Fi protocol datas, process.
Radio frequency unit 805 is sent out by antenna after the signal to be sent to the output of Wi-Fi chips 804 is amplified
See off；Signal to receiving on antenna sends into Wi-Fi chips after being amplified；And to transmitting/receiving signal
The operation such as it is combined.Radio frequency unit 805 can generally include LNA (Low Noise Amplifier, low noise
Acoustic amplifier), PA (Power Amplifier, power amplifier), the part such as transmit-receive switch.
Its line options control unit 806 is selected not according to the day line options control information that processor 801 is provided
With the radio-frequency channel of antenna.Its control of line options control unit 806 enables N number of logical in M radio-frequency channel
Road, and set up and the interchannel mapping relations of N number of radio-frequency receiving-transmitting on Wi-Fi chips 804.Its line options
Control unit 806 generally includes the parts such as radio-frequency (RF) switch, the control logic device thrown hilted broadsword more.
Aerial array 807 is made up of M root antennas, and every antenna is by a radio-frequency channel and day line options control
Radio-frequency (RF) switch connection in unit processed 806, aerial array 807 are responsible for air-launched, receive electromagnetic wave,
So as to sending a signal to STA or receiving the signal that STA sends.
Processor 801, for the access request sent by 807 receiving workstation point STA of aerial array；
Processor 801, for the first optimum day is determined in default antenna composite set according to the access request
Line is combined；First optimal antenna is combined as the AP using during first optimal antenna combination, meets
First pre-conditioned antenna combination；
Processor 801, if for pre-conditioned using first optimal antenna combination satisfaction second, using
First optimal antenna combines to the STA sending signals and receives the signal of the STA.
Preferably, the processor 801 is additionally operable to, it is determined that the training STA of the AP is accessed, and by M
In all possible antenna combination of the N number of antenna composition in individual antenna, it is that the training STA determines one
Meet described first pre-conditioned the second optimal antenna combination, the M antenna is installation in the AP
Antenna；
Determine that second optimal antenna combines corresponding antenna combination set in K antenna combination set,
And second optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
Determine K aerial radiation direction scope；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
Preferably, processor 801, for receiving the management frame that STA sends by aerial array 807；
The processor 801, for if it is determined that there is training mark in the management frame, it is determined that send described
The STA of management frame is training STA.
Preferably, processor 801, for being strengthened in the default antenna composite set by aerial array 807
Antenna radiant intensity.
Preferably, the processor 801 is additionally operable to：
If be unsatisfactory for using first optimal antenna combination it is described second pre-conditioned, except described default
It is that the STA determines one to meet described first pre-conditioned in antenna combination outside antenna combination set
3rd optimal antenna is combined；
The processor 801, for being combined to described using the 3rd optimal antenna by aerial array 807
The signal that STA sending signals and the reception STA send.
Preferably, the processor 801 is additionally operable to：
Determine that the 3rd optimal antenna combines corresponding antenna combination set in K antenna combination set,
And the 3rd optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
It is determined that all possible antenna combination that the N number of antenna in by M antenna is constituted, and determine K day
Beta radiation direction scope, the M antenna are the antenna installed in the AP；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
Preferably, the described first pre-conditioned any one or more in following condition：
Antenna combination with peak signal receiving power；
Antenna combination with minimum frame error ratio；
Antenna combination with minimum frame retransmission rate；
Antenna combination with minimum frame loss ratio.
Preferably, the described second pre-conditioned any one or more in following condition：
Peak signal receiving power is more than first threshold；
Minimum frame error ratio is less than Second Threshold；
Minimum frame retransmission rate is less than the 3rd threshold value；
Minimum frame loss ratio is less than the 4th threshold value.
In sum, the method and device for providing according to embodiments of the present invention, AP are determining optimum day for STA
When line is combined, optimal antenna combination is determined whether there is first in default antenna composite set, if it does,
Then combined to the STA sending signals according to the optimal antenna.In said method, AP need not be all
Optimal antenna combination is selected in possible antenna combination, so as to reduce the time of optimal antenna combination selection,
The efficiency of optimal antenna combination selection is improve, and then STA is improve to the speed of AP sending signals.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot
The form of the embodiment in terms of conjunction software and hardware.And, the present invention can be using wherein wrapping at one or more
Computer-usable storage medium containing computer usable program code (including but not limited to disk memory and
Optical memory etc.) on the form of computer program implemented.
The present invention is with reference to method according to embodiments of the present invention, equipment (system), and computer program
Schematic flow sheet and/or block diagram describing.It should be understood that can realize that flow process is shown by computer program instructions
In each flow process and/or square frame and schematic flow sheet and/or block diagram in intention and/or block diagram
Flow process and/or square frame combination.These computer program instructions can be provided to general purpose computer, special meter
The processor of calculation machine, Embedded Processor or other programmable data processing devices to produce a machine instruction,
So that being produced for realizing by the instruction of computer or the computing device of other programmable data processing devices
Specify in one flow process of schematic flow sheet or one square frame of multiple flow processs and/or block diagram or multiple square frames
The device of function.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing devices
In the computer-readable memory for working in a specific way so that be stored in the computer-readable memory
Instruction produces the manufacture for including command device, and the command device is realized in one flow process or many of schematic flow sheet
The function of specifying in one square frame of individual flow process and/or block diagram or multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices, made
Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place
Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in schematic flow sheet
The step of function of specifying in one flow process or one square frame of multiple flow processs and/or block diagram or multiple square frames.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.
Claims (16)
1. it is a kind of determine dual-mode antenna method, it is characterised in that the method includes：
The access request that access point AP receiving workstation points STA sends；
According to the access request, the AP determines that in default antenna composite set the first optimal antenna is combined；
First optimal antenna is combined as the AP using during first optimal antenna combination, meets first and presets
The antenna combination of condition；
If the AP is pre-conditioned using first optimal antenna combination satisfaction second, using described first
Optimal antenna combines to the STA sending signals and receives the signal of the STA.
2. the method for claim 1, it is characterised in that
The AP determines the training STA for accessing the AP, and the N number of antenna sets in by M antenna
Into all possible antenna combination in, be that the training STA determines one to meet described first pre-conditioned
The combination of the second optimal antenna, the M antenna is the antenna installed in the AP；
The AP determines that in K antenna combination set second optimal antenna combines corresponding antenna sets
Intersection is closed, and second optimal antenna combination corresponding antenna combination set is saved in the default antenna
In composite set；
Wherein, the AP determines the K antenna combination set according in the following manner：
The AP determines K aerial radiation direction scope；
The all possible antenna combination is divided by the AP according to the K aerial radiation direction scope
For K antenna combination set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set
In same aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, N
Less than or equal to M.
3. method as claimed in claim 2, it is characterised in that the AP determines and accesses the AP's
Training STA, including：
The AP receives the management frame that STA sends；
If it is determined that there is training mark in the AP, it is determined that send the STA of the management frame in the management frame
To train STA.
4. method as claimed in claim 2, it is characterised in that methods described also includes：
The AP strengthens the radiant intensity of the antenna in the default antenna composite set.
5. the method as described in any one of Claims 1-4, it is characterised in that also include：
If the AP be unsatisfactory for using first optimal antenna combination it is described second pre-conditioned, except institute
It is that the STA determines that one meets described first and presets in stating the antenna combination outside default antenna composite set
The 3rd optimal antenna combination of condition；
The AP is combined to the STA sending signals using the 3rd optimal antenna and is received the STA
The signal of transmission.
6. method as claimed in claim 5, it is characterised in that the AP is using the described 3rd optimum day
After line combines to the STA sending signals and receive the signal of the STA transmissions, also include：
The AP determines that in K antenna combination set the 3rd optimal antenna combines corresponding antenna sets
Intersection is closed, and the 3rd optimal antenna combination corresponding antenna combination set is saved in the default antenna
In composite set；
Wherein, the AP determines the K antenna combination set according in the following manner：
The AP determine by M antenna in all possible antenna combination that constitutes of N number of antenna, and really
Determine K aerial radiation direction scope, the M antenna is the antenna installed in the AP；
The all possible antenna combination is divided by the AP according to the K aerial radiation direction scope
For K antenna combination set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set
In same aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, N
Less than or equal to M.
7. the method as described in any one of claim 1 to 6, it is characterised in that described first is pre-conditioned
For any one or more in following condition：
Antenna combination with peak signal receiving power；
Antenna combination with minimum frame error ratio；
Antenna combination with minimum frame retransmission rate；
Antenna combination with minimum frame loss ratio.
8. the method as described in any one of claim 1 to 7, it is characterised in that described second is pre-conditioned
For any one or more in following condition：
Peak signal receiving power is more than first threshold；
Minimum frame error ratio is less than Second Threshold；
Minimum frame retransmission rate is less than the 3rd threshold value；
Minimum frame loss ratio is less than the 4th threshold value.
9. it is a kind of determine dual-mode antenna device, it is characterised in that the device includes：
Transmit-Receive Unit, for the access request that receiving workstation point STA sends；
Determining unit, for the first optimum day is determined in default antenna composite set according to the access request
Line is combined；First optimal antenna is combined as the AP using during first optimal antenna combination, meets
First pre-conditioned antenna combination；
The Transmit-Receive Unit, if for using first optimal antenna combination satisfaction second pre-conditioned,
The signal of the STA is combined to the STA sending signals and is received using first optimal antenna.
10. device as claimed in claim 9, it is characterised in that
The determining unit is additionally operable to, it is determined that the training STA of described device is accessed, and in by M antenna
N number of antenna composition all possible antenna combination in, be the training STA determine one meet described in
First pre-conditioned second optimal antenna combination, the M antenna are the antenna installed in described device；
Determine that second optimal antenna combines corresponding antenna combination set in K antenna combination set,
And second optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
Determine K aerial radiation direction scope；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
11. devices as claimed in claim 10, it is characterised in that
The Transmit-Receive Unit is specifically for receiving the management frame that STA sends；
The determining unit specifically for, however, it is determined that in the management frame exist training mark, it is determined that send
The STA of the management frame is training STA.
12. devices as claimed in claim 10, it is characterised in that the Transmit-Receive Unit is additionally operable to：
Strengthen the radiant intensity of the antenna in the default antenna composite set.
13. devices as described in any one of claim 10 to 12, it is characterised in that the determining unit
It is additionally operable to：
If be unsatisfactory for using first optimal antenna combination it is described second pre-conditioned, except described default
It is that the STA determines one to meet described first pre-conditioned in antenna combination outside antenna combination set
3rd optimal antenna is combined；
The Transmit-Receive Unit is additionally operable to, combined to the STA sending signals using the 3rd optimal antenna and
Receive the signal that the STA sends.
14. devices as claimed in claim 13, it is characterised in that the determining unit is additionally operable to：
Determine that the 3rd optimal antenna combines corresponding antenna combination set in K antenna combination set,
And the 3rd optimal antenna combination corresponding antenna combination set is saved in into the default antenna composite set
In；
Wherein, the K antenna combination set is determined according in the following manner：
It is determined that all possible antenna combination that the N number of antenna in by M antenna is constituted, and determine K day
Beta radiation direction scope, the M antenna are the antenna installed in described device；
The all possible antenna combination is divided into by K day according to the K aerial radiation direction scope
Line composite set, wherein, the aerial radiation direction of the antenna combination in each antenna combination set is positioned at same
In individual aerial radiation direction scope, K is positive integer, and N is positive integer, and M is positive integer, and N is less than or waits
In M.
15. devices as described in any one of claim 10 to 14, it is characterised in that described first presets
Condition is any one or more in following condition：
Antenna combination with peak signal receiving power；
Antenna combination with minimum frame error ratio；
Antenna combination with minimum frame retransmission rate；
Antenna combination with minimum frame loss ratio.
16. devices as described in any one of claim 10 to 15, it is characterised in that described second presets
Condition is any one or more in following condition：
Peak signal receiving power is more than first threshold；
Minimum frame error ratio is less than Second Threshold；
Minimum frame retransmission rate is less than the 3rd threshold value；
Minimum frame loss ratio is less than the 4th threshold value.
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| CN201510595223.1A CN106559107B (en) | 2015-09-17 | 2015-09-17 | Method and device for determining transmitting and receiving antenna |
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| CN201510595223.1A CN106559107B (en) | 2015-09-17 | 2015-09-17 | Method and device for determining transmitting and receiving antenna |
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| WO2019114529A1 (en) * | 2017-12-11 | 2019-06-20 | 华为技术有限公司 | Communication method and device |
| WO2019201063A1 (en) * | 2018-04-18 | 2019-10-24 | 华为技术有限公司 | Antenna system and feeding network reconstruction method and device |
| CN110830096A (en) * | 2019-10-30 | 2020-02-21 | 西安广和通无线通信有限公司 | Antenna adaptation method and antenna assembly |
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