CN104617391B - Adjust the method and device of antenna radiation pattern - Google Patents
Adjust the method and device of antenna radiation pattern Download PDFInfo
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- CN104617391B CN104617391B CN201310541751.XA CN201310541751A CN104617391B CN 104617391 B CN104617391 B CN 104617391B CN 201310541751 A CN201310541751 A CN 201310541751A CN 104617391 B CN104617391 B CN 104617391B
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Abstract
The embodiment of the present invention provides a kind of method and device for adjusting antenna radiation pattern.The method and device of adjustment antenna radiation pattern provided in an embodiment of the present invention, by being respectively each antenna configuration phase shifter corresponding with each antenna, and according to the wireless channel indicated value got, change the phase-shift phase of the phase shifter, so as to adjust the directional diagram of each antenna, so that the principal stresses angle of the compound direction figure of each antenna points to target device, realize the change of the relative position according to mobile terminal Yu access point AP, dynamic adjusts the compound direction figure of multiple antennas, improves the handling capacity of system.
Description
Technical field
The present embodiments relate to the communication technology, more particularly to a kind of method and device for adjusting antenna radiation pattern.
Background technology
With WLAN（Wireless Local Area Networks, abbreviation WLAN）Continuous popularization and
Data volume explosive growth, also more and more higher, WLAN data speed also turn into weighing apparatus for requirement of the terminal user to WLAN handling capacities
Measure a key property of end product.WLAN protocol continuous evolution in itself, from 802.11b be gradually transitions 802.11g,
802.11n, 802.11a, 802.11ac, then to multiple antennas multiple-input and multiple-output（Multiple-Input Multiple-
Output, abbreviation MIMO）Technology, every kind of stage all improve WLAN handling capacity to a certain extent, improve user's impression.
Traditional WLAN gateway or terminal using MIMO technology, because the position of each antenna is fixed, thus antenna side
It is fixed to figure, can not be adjusted in real time according to the change of WLAN gateway and the relative position of terminal.However, WLAN nets
Pass is very strong with the randomness of the relative position relation of terminal, can not ensure that wireless signal of the terminal in any position is all best
, the direction of antenna directivity difference still can cause WLAN handling capacity to be limited.
The content of the invention
The embodiment of the present invention provides a kind of method and device for adjusting antenna radiation pattern, and the handling capacity for solving WLAN is limited
Problem.
In a first aspect, the embodiment of the present invention provides a kind of method for adjusting antenna radiation pattern, applied to adjustment antenna direction
The device of figure, wherein, described device includes processor, at least two antennas, and distinguishes corresponding phase shift with each antenna
Device；The phase shifter, for changing the phase of the antenna corresponding to it；Methods described includes：
The processor obtains wireless channel indicated value；Wherein, the wireless channel indicated value is used to reflect access point AP
The quality of wireless channel between mobile terminal；
The processor changes the phase-shift phase of the phase shifter, so that described according to the wireless channel indicated value got
The principal stresses angle of the compound direction figure of each antenna points to target device；Wherein, the target device is the AP or the shifting
Dynamic terminal.
According in a first aspect, in the first possible implementation of first aspect, the processor is according to getting
Wireless channel indicated value, change the phase-shift phase of the phase shifter, so that the principal stresses angle of the compound direction figure of each antenna
Target device is pointed to, including：
If the processor determines that this wireless channel indicated value got is more than the initial value of wireless channel indicated value,
The phase-shift phase of the phase shifter is then incrementally increased until wireless channel indicated value that this gets is got no more than previous
Wireless channel indicated value；
If the processor determines that this wireless channel indicated value got is less than the first of the wireless channel indicated value
Initial value, then progressively reduce the phase-shift phase of the phase shifter until this wireless channel indicated value got is not less than previous acquisition
The wireless channel indicated value arrived.
According to the first possible implementation of first aspect, in second of possible implementation of first aspect
In, if the processor determines that this wireless channel indicated value got is more than the initial value of wireless channel indicated value,
The phase-shift phase of the phase shifter is then incrementally increased until wireless channel indicated value that this gets is got no more than previous
Wireless channel indicated value, including：
If the processor determines the initial of wireless channel indicated value that this gets and the wireless channel indicated value
The difference of value is more than first threshold, then incrementally increases the wireless channel instruction that the phase-shift phase of the phase shifter is got until this
The difference of value and the previous wireless channel indicated value got is not more than the first threshold.
According to the first possible implementation of first aspect, in the third possible implementation of first aspect
In, if the processor determines that this wireless channel indicated value got is less than the initial of the wireless channel indicated value
Value, then progressively reduce the phase-shift phase of the phase shifter until the wireless channel indicated value that this gets is got not less than previous
Wireless channel indicated value, including：
If the processor determines the initial of wireless channel indicated value that this gets and the wireless channel indicated value
The difference of value is less than Second Threshold, then progressively reduces the wireless channel instruction that the phase-shift phase of the phase shifter is got until this
The difference of value and the previous wireless channel indicated value got is not less than the Second Threshold.
According to first aspect, first aspect the first to the third possible implementation any one, first
In 4th kind of possible implementation of aspect, the wireless channel indicated value is that reference signal strength indicates RSSI or handled up
Amount.
Second aspect, the embodiment of the present invention provide it is a kind of adjust antenna radiation pattern device, it is described including：Processor, extremely
Lack two antennas, and distinguish corresponding phase shifter with each antenna；Wherein：
The phase shifter, for changing the phase of the antenna corresponding to it；
The processor, for obtaining wireless channel indicated value；Wherein, the wireless channel indicated value is used to reflect and accessed
The quality of wireless channel between point AP and mobile terminal；
The processor, it is additionally operable to, according to the wireless channel indicated value got, change the phase-shift phase of the phase shifter, with
The principal stresses angle of the compound direction figure of each antenna is set to point to target device；Wherein, the target device is the AP or institute
State mobile terminal.
According to second aspect, in the first possible implementation of second aspect, the processor is specifically used for：
If it is determined that this wireless channel indicated value got is more than the initial value of wireless channel indicated value, then incrementally increase
The phase-shift phase of the phase shifter is not more than the previous wireless communication Dow Jones index got until the wireless channel indicated value that this gets
Indicating value；
If it is determined that this wireless channel indicated value got is less than the initial value of the wireless channel indicated value, then progressively
Reduce the phase-shift phase of the phase shifter until the wireless channel indicated value that this gets is not less than the previous wireless communication got
Road indicated value.
According to the first possible implementation of second aspect, in second of possible implementation of second aspect
In, the processor is specifically used for：
If it is determined that this wireless channel indicated value for getting and the difference of the initial value of the wireless channel indicated value are big
In first threshold, then the phase-shift phase of the phase shifter is incrementally increased until the wireless channel indicated value that this gets obtains with previous
The difference for the wireless channel indicated value got is not more than the first threshold.
According to the first possible implementation of second aspect, in the third possible implementation of second aspect
In, the processor is specifically used for：
If it is determined that this wireless channel indicated value for getting and the difference of the initial value of the wireless channel indicated value are small
In Second Threshold, then progressively reduce the phase-shift phase of the phase shifter until the wireless channel indicated value that this gets obtains with previous
The difference for the wireless channel indicated value got is not less than the Second Threshold.
According to second aspect, second aspect the first to the third possible implementation any one, second
In 4th kind of possible implementation of aspect, the wireless channel indicated value is that reference signal strength indicates RSSI or handled up
Amount.
The third aspect, the embodiment of the present invention provide a kind of access point AP, and the AP is included described in any embodiment of the present invention
Adjustment antenna radiation pattern device.
Fourth aspect, the embodiment of the present invention provide a kind of mobile terminal, and the mobile terminal includes any implementation of the present invention
The device of adjustment antenna radiation pattern described in example.
The method and device of adjustment antenna radiation pattern provided in an embodiment of the present invention, by be respectively each antenna configuration with
Phase shifter corresponding to each antenna, and according to the wireless channel indicated value got, change the phase-shift phase of the phase shifter, so as to adjust
The directional diagram of each antenna is saved, so that the principal stresses angle of the compound direction figure of each antenna points to target device, realizes basis
The change of mobile terminal and AP relative position, dynamic adjust the compound direction figure of multiple antennas, improve the handling capacity of system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the method for adjustment antenna radiation pattern provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram that phase shifter provided in an embodiment of the present invention is located at WIFI chip internals；
Fig. 3 is the schematic diagram that phase shifter provided in an embodiment of the present invention is located at WIFI chip exteriors；
Fig. 4 is the structural representation of the device of adjustment antenna radiation pattern provided in an embodiment of the present invention；
Fig. 5 is access point AP provided in an embodiment of the present invention structural representation；
Fig. 6 is the structural representation of mobile terminal provided in an embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is the flow chart of the method for adjustment antenna radiation pattern provided in an embodiment of the present invention.The method of the present embodiment can
With applied to adjustment antenna radiation pattern device, wherein, described device include processor, at least two antennas, and with it is described
Phase shifter corresponding to each antenna difference；The phase shifter, for changing the phase of the antenna corresponding to it.It is as shown in figure 1, described
Method includes：
101st, the processor obtains the quality wireless communication Dow Jones index for reflecting the wireless channel between AP and mobile terminal
Indicating value.
102nd, the processor changes the phase-shift phase of the phase shifter according to the wireless channel indicated value got, so that
The principal stresses angle of the compound direction figure of each antenna points to target device.
Specifically, the device of the adjustment antenna radiation pattern can be arranged on whole using the AP of MIMO technology and/or movement
On end；Wherein, the AP, such as can be the network equipment that WLAN gateway, WIFI hot spot etc. support WLAN protocol；The movement
Terminal supports WLAN protocol.Wherein, the target device is the AP or the mobile terminal：If described device is arranged on institute
State on AP, then the target device is the mobile terminal；If described device is set on the mobile terminal, the target
Equipment is the AP；Optionally, if the mobile terminal and the AP are provided with described device simultaneously, can the AP with
Handshake Protocol is set between the mobile terminal, according to network and user's request, side is only opened in synchronization（The AP sides
Or the mobile terminal side, exemplified by opening the AP sides）Adjustment multiple antennas compound direction figure function, and do not open tune
The side of whole function（The mobile terminal side or the AP sides, it is herein the mobile terminal side）For target device.It is described
Wireless channel indicated value, for reflecting the quality of the wireless channel between the AP and the mobile terminal, for example, it may be ginseng
Examine signal intensity instruction（Received Signal Strength Indication, abbreviation RSSI）Or handling capacity
（Throughput）.It is configured with and each self-corresponding phase shifter for each antenna in mimo system in said device；Institute
State processor and obtain the wireless channel indicated value for receiving channel, and according to the wireless channel indicated value got, change institute
The phase-shift phase of phase shifter is stated, so as to adjust the directional diagram of each antenna（Antenna pattern）So that each antenna
The principal stresses angle of compound direction figure points to target device.
The method of adjustment antenna radiation pattern provided in an embodiment of the present invention, by being respectively each antenna configuration and each antenna
Corresponding phase shifter, and according to the wireless channel indicated value got, change the phase-shift phase of the phase shifter, so as to adjust each day
The directional diagram of line, so that the principal stresses angle of the compound direction figure of each antenna points to target device, realize according to mobile whole
End and the change of AP relative position, dynamic adjust the compound direction figure of multiple antennas, improve the handling capacity of system.
On the basis of above-described embodiment, change the mode of the phase-shift phase of the phase shifter, pass through change as long as can reach
The phase-shift phase of the phase shifter is so that the mode that the principal stresses angle of the compound direction figure of each antenna points to target device is
Can, such as can be, according to the rule pre-set only change phase shifter phase-shift phase or, change each move one by one
The phase-shift phase of phase device or, while change the phase-shift phase of multiple phase shifters, but the embodiment of the present invention is not limited once.
On the basis of above-described embodiment, after the processor gets wireless channel indicated value, this is got
Wireless channel indicated value is made comparisons with the initial value of wireless channel indicated value：
If the processor determines that this wireless channel indicated value got is more than the first of the wireless channel indicated value
Initial value, then the phase-shift phase of the phase shifter is incrementally increased until this wireless channel indicated value got is not more than previous acquisition
The wireless channel indicated value arrived.If the processor determines that this wireless channel indicated value got is less than the wireless channel
The initial value of indicated value, then progressively reduce the phase-shift phase of the phase shifter until the wireless channel indicated value that this gets is not small
In the previous wireless channel indicated value got.
It is illustrated below：Wireless channel indicated value by taking RSSI as an example, adopt by the mode for changing the phase-shift phase of the phase shifter
With the mode for the phase-shift phase for only changing a phase shifter：The initial value of the wireless channel indicated value is RSSI0, the phase of phase shifter
Shifting amount is 0, and the phase-shift phase of phase shifter is adjusted into f1（F1 is positive number）, the RSSI value that the processor obtains now is RSSI1.
Wherein, the initial value of the wireless channel indicated value can be the conjunction that the AP or the mobile terminal open adjustment multiple antennas
Into directional diagram function when the wireless channel indicated value that obtains or the AP or the mobile terminal period obtain
Wireless channel indicated value.
If RSSI1 is more than RSSI0, illustrate the sensing of principal stresses angle of the compound direction figure of each antenna to mesh
The direction of marking device is close, and therefore, the phase-shift phase for continuing to increase phase shifter is f1+ ▽ f,（F1 and ▽ f specific value can root
It is configured according to being actually needed, ▽ f are the adjusting step of phase-shift phase）And obtain adjustment after the phase-shift phase of adjustment phase shifter every time
RSSI value afterwards, made comparisons with the previous RSSI value got to determine how the phase-shift phase of adjustment phase shifter, until this is obtained
During the wireless channel indicated value that the wireless channel indicated value got is got no more than previous, illustrate the synthesis side of each antenna
Target device is had been directed to the principal stresses angle of figure, therefore the phase-shift phase after the previous adjustment of phase shifter is fixed up.Therefore,
The method of adjustment antenna radiation pattern provided in an embodiment of the present invention can cause the target device to be in the conjunction of each antenna
Into in the signal cover of the principal stresses angle of directional diagram, so as to the handling capacity of maximum target device to greatest extent.
If RSSI1 is less than RSSI0, illustrate that the principal stresses angle of the compound direction figure of each antenna has been directed away from mesh
The direction of marking device, therefore, the phase-shift phase for reducing phase shifter are-f1, and the RSSI value when phase-shift phase for obtaining phase shifter is-f1
RSSI2, if RSSI2 is less than RSSI1, the phase-shift phase for continuing to reduce phase shifter is-f1- ▽ f, and in adjustment phase shifter every time
The RSSI value after adjustment is obtained after phase-shift phase, is made comparisons with the previous RSSI value got to determine how the phase of adjustment phase shifter
Shifting amount, when the wireless channel indicated value that wireless channel indicated value that this gets is got not less than previous, illustrate institute
The principal stresses angle for stating the compound direction figure of each antenna has been directed to target device, therefore by the phase shift after the previous adjustment of phase shifter
Amount is fixed up.
On the basis of above-described embodiment, the phase-shift phase of adjustment phase shifter can be further limited by default threshold value
Trigger condition, avoid frequently adjustment phase shifter phase-shift phase, i.e.,：If the processor determines this wireless channel got
Indicated value and the difference of the initial value of the wireless channel indicated value are more than first threshold, then incrementally increase the phase of the phase shifter
Shifting amount is not more than institute until the difference of wireless channel indicated value and the previous wireless channel indicated value got that this gets
State first threshold.If the processor determine wireless channel indicated value that this gets and the wireless channel indicated value just
The difference of initial value is less than Second Threshold, then progressively reduces the wireless communication Dow Jones index that the phase-shift phase of the phase shifter is got until this
The difference of indicating value and the previous wireless channel indicated value got is not less than the Second Threshold.Wherein, first threshold and/or
Two threshold values can be positive number or negative, both absolute values can with it is equal can also be different, in practice can be according to network condition
Determined with factors such as user's actual needs.
On the basis of above-described embodiment, the mobile terminal and/or AP also include the WIFI chips for supporting MIMO functions,
The processor can be self-contained by WIFI chips, can also be independently of WIFI chips（Now WIFI chips are only completed WIFI
Processing function）.Further, can at least have with the position relationship of each antenna corresponding phase shifter and WIFI chips respectively with
Lower two kinds：（1）Phase shifter is located at WIFI chip internals；（2）Phase shifter is located at WIFI chip exteriors.
Fig. 2 is the schematic diagram that phase shifter provided in an embodiment of the present invention is located at WIFI chip internals.Fig. 3 is implemented for the present invention
The phase shifter that example provides is located at the schematic diagram of WIFI chip exteriors.As shown in Fig. 2 the local oscillator in WIFI chips（LO）With it is each
Phase shifter is set respectively between frequency mixer, and LO can ensure the coherence of two-way receiving and transmitting signal, and LO signal is by phase shifter
Frequency mixer is reached after reason, so as to adjust the directional diagram of antenna.As shown in figure 3, phase shifter is located at WIFI chip exteriors, all
Phase shifter is set between receiving-transmitting chain and antenna.
Fig. 4 is the structural representation of the device of adjustment antenna radiation pattern provided in an embodiment of the present invention.As shown in figure 4, this
The device 400 for the adjustment antenna radiation pattern that inventive embodiments provide includes：Processor 401, at least two antennas 402, Yi Jiyu
Phase shifter 403 corresponding to the difference of each antenna 402, wherein：
The phase shifter 403, for changing the phase of the antenna corresponding to it；
The processor 401, for obtaining wireless channel indicated value；Wherein, the wireless channel indicated value is used to reflect
The quality of wireless channel between access point AP and mobile terminal；
The processor 401, it is additionally operable to, according to the wireless channel indicated value got, change the phase of the phase shifter 403
Shifting amount, so that the principal stresses angle of the compound direction figure of each antenna 402 points to target device；Wherein, the target device is
The AP or described mobile terminals.
The device 400 of adjustment antenna radiation pattern provided in an embodiment of the present invention, which can be used for performing method shown in Fig. 1, to be implemented
The concrete scheme of example, its implementing principle and technical effect is similar, will not be repeated here.
Optionally, the processor 401 is specifically used for：If it is determined that this wireless channel indicated value got is more than described
The initial value of wireless channel indicated value, then incrementally increase the wireless communication Dow Jones index that the phase-shift phase of the phase shifter is got until this
Indicating value is not more than the previous wireless channel indicated value got；If it is determined that this wireless channel indicated value got is less than described
The initial value of wireless channel indicated value, then progressively reduce the wireless communication Dow Jones index that the phase-shift phase of the phase shifter is got until this
Indicating value is not less than the previous wireless channel indicated value got.
Further alternative, the processor 401 is specifically used for：If it is determined that this wireless channel indicated value for getting with
The difference of the initial value of the wireless channel indicated value is more than first threshold, then incrementally increase the phase-shift phase of the phase shifter until
The difference of this wireless channel indicated value got and the previous wireless channel indicated value got is not more than first threshold
Value.
Further alternative, the processor 401 is specifically used for：If it is determined that this wireless channel indicated value for getting with
The difference of the initial value of the wireless channel indicated value is less than Second Threshold, then progressively reduce the phase-shift phase of the phase shifter until
The difference of this wireless channel indicated value got and the previous wireless channel indicated value got is not less than second threshold
Value.
Optionally, the wireless channel indicated value is that reference signal strength indicates RSSI or handling capacity.
The device of adjustment antenna radiation pattern provided in an embodiment of the present invention, by being respectively each antenna configuration and each antenna
Corresponding phase shifter, and according to the wireless channel indicated value got, change the phase-shift phase of the phase shifter, so as to adjust each day
The directional diagram of line, so that the principal stresses angle of the compound direction figure of each antenna points to target device, realize according to mobile whole
End and the change of AP relative position, dynamic adjust the compound direction figure of multiple antennas, improve the handling capacity of system.
Fig. 5 is access point AP provided in an embodiment of the present invention structural representation.As figure 5 illustrates, the AP500 bags of the present embodiment
Include the device 501 of adjustment antenna radiation pattern；The device 501 of the adjustment antenna radiation pattern can use any embodiment of the present invention
The device of the adjustment antenna radiation pattern provided, corresponding to it, can be used for performing the tune that any embodiment of the present invention is provided
The concrete scheme of the embodiment of the method for whole antenna radiation pattern, its implementing principle and technical effect is similar, will not be repeated here.
Fig. 6 is the structural representation of mobile terminal provided in an embodiment of the present invention.As indicated with 6, the mobile end of the present embodiment
End 600 includes the device 601 of adjustment antenna radiation pattern；The device 601 of the adjustment antenna radiation pattern can use the present invention to appoint
The device for the adjustment antenna radiation pattern that meaning embodiment is provided, corresponding to it, can be used for performing any embodiment institute of the present invention
The concrete scheme of the embodiment of the method for the adjustment antenna radiation pattern of offer, its implementing principle and technical effect is similar, herein no longer
Repeat.
In several embodiments provided by the present invention, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, only
Only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed
Mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, device or unit
Letter connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer
Equipment（Can be personal computer, server, or network equipment etc.）Or processor（processor）It is each to perform the present invention
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（Read-
Only Memory, ROM）, random access memory（Random Access Memory, RAM）, magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each functional module
Division progress for example, in practical application, can be complete by different functional modules by above-mentioned function distribution as needed
Into the internal structure of device being divided into different functional modules, to complete all or part of function described above.On
The specific work process of the device of description is stated, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. method for adjusting antenna radiation pattern, it is characterised in that applied to the device of adjustment antenna radiation pattern, wherein, institute Stating device includes processor, at least two antennas, and distinguishes corresponding phase shifter with each antenna；The phase shifter, use In the phase for changing the antenna corresponding to it；Methods described includes：The processor obtains wireless channel indicated value；Wherein, the wireless channel indicated value is used to reflect access point AP with moving The quality of wireless channel between dynamic terminal；The processor changes the phase-shift phase of the phase shifter, so that each day according to the wireless channel indicated value got The principal stresses angle of the compound direction figure of line points to target device；Wherein, the target device is that the AP or the movement are whole End；The processor changes the phase-shift phase of the phase shifter, so that each day according to the wireless channel indicated value got The principal stresses angle of the compound direction figure of line points to target device, including：If the processor determines that this wireless channel indicated value got is more than the initial value of wireless channel indicated value, by Step increase the phase-shift phase of the phase shifter until wireless channel indicated value that this gets no more than it is previous get it is wireless Channel indicated value, the initial value of the wireless channel indicated value open adjustment multiple antennas for the AP or the mobile terminal The wireless channel indicated value obtained during the function of compound direction figure, or, the initial value of the wireless channel indicated value is described The wireless channel indicated value that AP or the mobile terminal period obtain；If the processor determines that this wireless channel indicated value got is less than the initial value of the wireless channel indicated value, Then progressively reduce the phase-shift phase of the phase shifter until wireless channel indicated value that this gets is got not less than previous Wireless channel indicated value.
- 2. according to the method for claim 1, it is characterised in that if the processor determines that this gets wireless Channel indicated value is more than the initial value of wireless channel indicated value, then incrementally increases the phase-shift phase of the phase shifter until this acquisition To wireless channel indicated value be not more than the previous wireless channel indicated value got, including：If the processor determines this wireless channel indicated value got and the initial value of the wireless channel indicated value Difference is more than first threshold, then incrementally increase wireless channel indicated value that the phase-shift phase of the phase shifter got until this with The difference of the previous wireless channel indicated value got is not more than the first threshold.
- 3. according to the method for claim 1, it is characterised in that if the processor determines that this gets wireless Channel indicated value is less than the initial value of the wireless channel indicated value, then progressively reduces the phase-shift phase of the phase shifter until this The wireless channel indicated value got is not less than the previous wireless channel indicated value got, including：If the processor determines this wireless channel indicated value got and the initial value of the wireless channel indicated value Difference is less than Second Threshold, then progressively reduce wireless channel indicated value that the phase-shift phase of the phase shifter got until this with The difference of the previous wireless channel indicated value got is not less than the Second Threshold.
- 4. according to the method described in claim any one of 1-3, it is characterised in that the wireless channel indicated value is reference signal Intensity indicates RSSI or handling capacity.
- A kind of 5. device for adjusting antenna radiation pattern, it is characterised in that including：Processor, at least two antennas, and distinguish corresponding phase shifter with each antenna；Wherein：The phase shifter, for changing the phase of the antenna corresponding to it；The processor, for obtaining wireless channel indicated value；Wherein, the wireless channel indicated value is used to reflect access point AP The quality of wireless channel between mobile terminal；The processor, it is additionally operable to, according to the wireless channel indicated value got, change the phase-shift phase of the phase shifter, so that institute The principal stresses angle for stating the compound direction figure of each antenna points to target device；Wherein, the target device is the AP or described shiftings Dynamic terminal；The processor is specifically used for：If it is determined that this wireless channel indicated value got is more than the initial value of wireless channel indicated value, then incrementally increase described The phase-shift phase of phase shifter is not more than the previous wireless channel indicated value got until the wireless channel indicated value that this gets, The initial value of the wireless channel indicated value is the compound direction figure that the AP or the mobile terminal open adjustment multiple antennas Function when the wireless channel indicated value that obtains, or, the initial value of the wireless channel indicated value is the AP or described The wireless channel indicated value that mobile terminal period obtains；If it is determined that this wireless channel indicated value got is less than the initial value of the wireless channel indicated value, then progressively reduce The phase-shift phase of the phase shifter is not less than the previous wireless communication Dow Jones index got until the wireless channel indicated value that this gets Indicating value.
- 6. device according to claim 5, it is characterised in that the processor is specifically used for：If it is determined that this wireless channel indicated value for getting and the difference of the initial value of wireless channel indicated value are more than the first threshold Value, then the phase-shift phase of the phase shifter is incrementally increased until wireless channel indicated value that this gets and the previous nothing got The difference of line channel indicated value is not more than the first threshold.
- 7. device according to claim 5, it is characterised in that the processor is specifically used for：If it is determined that this wireless channel indicated value for getting and the difference of the initial value of the wireless channel indicated value are less than the Two threshold values, then progressively reduce the phase-shift phase of the phase shifter until the wireless channel indicated value that this gets is got with previous The difference of wireless channel indicated value be not less than the Second Threshold.
- 8. according to the device described in claim any one of 5-7, it is characterised in that the wireless channel indicated value is reference signal Intensity indicates RSSI or handling capacity.
- 9. a kind of access point AP, it is characterised in that include the dress of the adjustment antenna radiation pattern described in claim any one of 5-8 Put.
- 10. a kind of mobile terminal, it is characterised in that include the dress of the adjustment antenna radiation pattern described in claim any one of 5-8 Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN104935369A (en) * | 2015-06-11 | 2015-09-23 | 信维创科通信技术（北京）有限公司 | Method for enhancing signal transmission, and mobile terminal |
| CN105142179B (en) * | 2015-06-12 | 2021-04-06 | 中兴通讯股份有限公司 | Wireless local area network access method and wireless access point |
| CN106358217A (en) * | 2015-07-14 | 2017-01-25 | 启碁科技股份有限公司 | Method for switching access point coverage, switcher and access point management system |
| CN106785449B (en) * | 2016-12-06 | 2020-03-06 | 青岛海信移动通信技术股份有限公司 | Antenna directional pattern reconfigurable method, antenna device and wireless communication equipment |
| CN106550428B (en) * | 2016-12-09 | 2020-05-01 | 普联技术有限公司 | Method and system for establishing connection between CPE and base station, CPE and mobile terminal |
| CN106788569A (en) * | 2017-02-27 | 2017-05-31 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of WLAN RF transceiver circuit chip |
| CN106899984B (en) * | 2017-03-30 | 2020-06-09 | 武汉虹信通信技术有限责任公司 | Vehicle-mounted base station mobile communication system for high-speed railway |
| CN107277838B (en) * | 2017-05-26 | 2019-10-18 | 维沃移动通信有限公司 | A kind of the WIFI method of controlling antenna and mobile terminal of mobile terminal |
| CN109301485A (en) * | 2017-07-25 | 2019-02-01 | 上海汇珏网络通信设备有限公司 | Antenna beam direction adjusts system and method |
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| CN101772055A (en) * | 2009-01-05 | 2010-07-07 | ***通信集团公司 | Adjustment method of cell reselection parameter and device thereof |
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| JP2924376B2 (en) * | 1991-11-29 | 1999-07-26 | 日本電気株式会社 | Antenna device |
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| US4916454A (en) * | 1989-06-05 | 1990-04-10 | Allied-Signal Inc. | Adaptive nulling circular array antenna |
| CN1688170A (en) * | 2005-05-11 | 2005-10-26 | 西安海天天线科技股份有限公司 | Mobile communication substation based on beam switching type intelligent antenna and beam switching method |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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Effective date of registration: 20181218 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |