CN107682038A - A kind of antenna switching method, multi-antenna terminal and computer-readable recording medium - Google Patents
A kind of antenna switching method, multi-antenna terminal and computer-readable recording medium Download PDFInfo
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- CN107682038A CN107682038A CN201710766580.9A CN201710766580A CN107682038A CN 107682038 A CN107682038 A CN 107682038A CN 201710766580 A CN201710766580 A CN 201710766580A CN 107682038 A CN107682038 A CN 107682038A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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Abstract
The invention discloses a kind of antenna switching method, multi-antenna terminal and computer-readable recording medium, wherein antenna switching method is applied to the multi-antenna terminal for including main transmitting-receiving path, auxiliary receiving path and at least three groups antennas, by obtaining the uplink communication parameter of each group antenna, the advanced judgement of condition for carrying out at least two judgement stages to each group antenna performance is switched with determining the need for antenna.Since the determination of whether need before reselecting main and auxiliary antenna, the judgement stage performance current to each group antenna that two and the above can be used and sequential be present is assessed, so compared to the mode disposably assessed, antenna performance not exclusively simply undergoes to be judged at least twice.More importantly, objective comprehensive evaluation can be carried out to each group antenna overall performance interior during the advanced judgement of condition, exclude influence of the accidentalia to antenna performance so that follow-up switching is reliable and effective, and each group antenna for ensureing to participate in work after switching possesses really stable superperformance.
Description
Technical field
The present invention relates to communication technical field, more specifically to a kind of antenna switching method, multi-antenna terminal and meter
Calculation machine readable storage medium storing program for executing.
Background technology
With the development of terminal technology, the function of mobile terminal is more and more comprehensive, and the service that it is provided a user is increasingly
It is perfect.It is simplest, mobile terminal the call from past pure, SMS derive take pictures, surf the Net, audio/video is broadcast
All many services such as put.But, although species is various for the current function of mobile terminal, and with the development of technology,
Still have more more intelligent functions by as emerged rapidly in large numbersBamboo shoots after a spring rain into the present following terminal, but mobile terminal carried it is logical
Telecommunication function still can be used as one of most basic and most important function, and the performance for being related to its communication aspects also may proceed to conduct
User's focus of attention.
It is well known that when mobile terminal antenna environment is more severe, not only communication quality can decline, and influence user's body
Test, and the power consumption that mobile terminal is used to communicate can also steeply rise, so as to influence its standby time.So if continue to adopt
With traditional antenna design, the development of mobile terminal industry will face lot of challenges in communication quality, communication power consumption.
Thus, start to engender " dual-antenna terminal " in recent years.Two of dual-antenna terminal are typically separately positioned on mobile terminal
Upper and lower both sides, wherein an antenna carrys out receiving and transmitting signal as primary antenna, another antenna aids in primary antenna as auxiliary antenna
Carry out signal.
For example, the antenna on mobile terminal top will be arranged on as primary antenna, another is used as auxiliary antenna.Sending out
The work of signal is penetrated, is completed by the antenna on mobile terminal top, and during reception signal, upper and lower two antennas carry out multipath simultaneously and connect
Receive, then the signal that two antennas each receive is carried out to receive diversity processing, so as to ensure the accuracy of received signal and can
By property.
In actual use, due to reasons such as the grippings of user, it may result in primary antenna and be blocked, so as to right
The transmitting-receiving ability of mobile terminal can cause pole ill effect.Thus, need badly now and propose a kind of antenna switching scheme, to
Because user's grip or other reason such as block caused by Antenna Operation environmental change when, change antenna role so that it is mobile eventually
End possesses stronger signal transmitting and receiving ability all the time, lifts the communication experiences of user.
The content of the invention
The technical problem to be solved in the present invention is：A kind of antenna switching scheme is provided, in terminal antenna building ring
In the case that border is unstable, change the work role of each antenna in terminal, so as to solve in existing scheme because of Antenna Operation role
It is fixed, so easily causing mobile terminal transmitting-receiving performance to drastically reduce when primary antenna is blocked, the problem of Consumer's Experience is low.Pin
To the technical problem, there is provided a kind of antenna switching method, multi-antenna terminal and computer-readable recording medium.
In order to solve the above technical problems, the present invention provides a kind of antenna switching method, it is described more applied to multi-antenna terminal
Antenna terminal includes main transmitting-receiving path, auxiliary receiving path and at least three groups of antennas；In at least three groups of antennas currently and institute
State main transmitting-receiving communication for primary antenna, currently connected with the auxiliary receiving path supplemented by antenna, remaining is idle day
Line；Methods described includes：
To the performances of at least three groups antennas include the advanced judgement of condition in N number of judgement stage to determine whether to need
Antenna switching is carried out, the N is more than or equal to 2, and the judgement stage includes：Obtain for characterizing each of the multi-antenna terminal
The uplink communication parameter of the current performance of group antenna；The difference two-by-two of at least three groups antenna uplink messaging parameters described in calculating；Base
Phase threshold in the judgement stage determines whether result of calculation meets judgment condition corresponding to the judgement stage, if so,
Judge whether the presently described judgement stage is last judgement stage, if so, judging to need to carry out antenna switching, otherwise enter
Next judgement stage；
When judgement needs to carry out antenna switching, redefine at least three groups of antennas and main receive and dispatch path with described, auxiliary connect
The connected relation between path is received so as to select new primary antenna, auxiliary antenna and spare antenna.
Optionally, the phase threshold at least two judgement stages is unequal in N number of judgement stage.
Optionally, the phase threshold in N number of judgement stage in the leading decision stage is more than the stage in the rear judgement stage
Threshold value.
Optionally, after judging the presently described judgement stage and not being last judgement stage, into next judgement stage it
It is preceding also to include：Into the latent period in presently described judgement stage.
Optionally, the multi-antenna terminal includes three antennas, wherein an antenna is with the main transmitting-receiving communication
Primary antenna, an antenna connected with the auxiliary receiving path supplemented by antenna, a remaining antenna is spare antenna；It is described N number of
Latent period in the judgement stage in the leading decision stage is more than the latent period in the rear judgement stage.
Optionally, the uplink communication parameter includes transmission signal power, maximum transmission power ratio value and channel quality
At least one of instruction.
Optionally, the uplink communication parameter includes transmission signal power, maximum transmission power ratio value and channel quality
At least two in instruction；The difference two-by-two of at least three groups antenna uplink messaging parameters includes described in the calculating：Described in calculating
The difference two-by-two of the identical uplink communication parameter of each group antenna at least three groups of antennas；
The phase threshold based on the judgement stage determines whether result of calculation met corresponding to the judgement stage
Judgment condition includes：
Dimension is carried out to each difference two-by-two of certain two groups of antenna to handle to obtain corresponding standard value, then is calculated described
The mean difference of each standard value of two groups of antennas；By each group antenna two-by-two between mean difference and the judgement stage stage
Threshold value is compared, when any one in each mean difference is more than the phase threshold in the judgement stage, or when each institute
When stating mean difference and reaching preset ratio more than the ratio of phase threshold in the judgement stage, judgement meets the judgement stage
Corresponding judgment condition；
Or,
For a certain uplink communication parameter, by each difference two-by-two corresponding to the uplink communication parameter and the judgement
The decision threshold of uplink communication parameter described in threshold value is compared；In each difference two-by-two of the uplink communication parameter
Any one be more than the decision threshold, or be more than number of the decision threshold in each difference two-by-two and reach default ratio
During value, judge that the uplink communication parameter meets into order conditions；Judge to reach the number into the uplink communication parameter of order conditions again
Whether predetermined number is reached, if so, really judging to meet judgment condition corresponding to the judgement stage.
Optionally, respectively the uplink communication parameter in judgement stage is identical in N number of judgement stage.
Further, present invention also offers a kind of multi-antenna terminal to include processor, memory and communication bus；
The multi-antenna terminal also includes main transmitting-receiving path, auxiliary receiving path and at least three groups of antennas；In at least three groups of antennas
Currently with it is described it is main transmitting-receiving communication be primary antenna, currently connected with the auxiliary receiving path supplemented by antenna, it is remaining
For spare antenna；
The communication bus is used to realize the connection communication between processor and memory；
The processor is used to perform one or more program stored in memory, to realize described in as above any one
Antenna switching method the step of.
Further, present invention also offers a kind of computer-readable recording medium, the computer-readable recording medium
It is stored with one or more program, one or more of programs can be by one or more computing device, to realize
As above the step of antenna switching method described in any one.
Beneficial effect
The present invention provides a kind of antenna switching method, multi-antenna terminal and computer-readable recording medium, wherein the present invention
The method of offer is applied to the communication terminal for including main transmitting-receiving path, auxiliary receiving path and at least three groups antennas, and this at least three
Group antenna in currently with it is main transmitting-receiving communication be primary antenna, currently connected with auxiliary receiving path supplemented by antenna, it is remaining
For spare antenna, based on hardware architecture provided by the invention, it is each when monitoring that antenna switching condition meets to redefine terminal
The connected relation between antenna and main transmitting-receiving path, auxiliary receiving path is organized so as to select new primary antenna, auxiliary antenna and free time
Antenna, completes the switching of antenna, namely antenna work role can dynamic change, can be adjusted flexibly, kept away with current demand
Exempt from, because antenna performance deterioration causes to go offline or the situation of call drop, to lift Consumer's Experience.
In addition, the present invention is by carrying out the advanced judgement of condition for including at least two judgement stages to the performance of each group antenna
To determine the need for carrying out antenna switching.In each judgement stage, each group antenna for characterizing multi-antenna terminal is first obtained
The uplink communication parameter of current performance, and the difference two-by-two of each group antenna uplink messaging parameter is calculated, it is then based on adjudicating rank
The phase threshold of section determines whether result of calculation meets judgment condition corresponding to the judgement stage, if it is satisfied, then determining whether
Whether it is last judgement stage when the leading decision stage, if so, judging to need to carry out antenna switching, otherwise into next judgement
Stage；When determining to need to carry out antenna switching after the judgement in each judgement stage, at least three groups of antennas and master are redefined
The connected relation between path, auxiliary receiving path is received and dispatched so as to select new primary antenna, auxiliary antenna.Due in the present invention true
It is fixed whether need to reselect main and auxiliary antenna before, can use two or more, and the judgement rank of sequential relationship be present
The section performance current to each group antenna is assessed, so, compared to the mode disposably assessed, antenna performance is not only letter
Singly undergo and judge at least twice.Importantly, can be to each group antenna overall performance interior during the advanced judgement of condition
Objective comprehensive evaluation is carried out, excludes influence of the accidentalia to antenna performance, so that follow-up switching is reliable and effectively, is protected
The each group antenna that work is participated in after card switching possesses really stable superperformance, so as to lift Consumer's Experience.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the hardware architecture diagram for realizing each optional mobile terminal of embodiment one of the present invention；
Fig. 2 is the hardware configuration of multi-antenna terminal radio frequency unit in various embodiments of the present invention；
Fig. 3 is a kind of flow chart of the antenna switching method provided in first embodiment of the invention；
Fig. 4 is a kind of flow chart in each judgement stage in first embodiment of the invention；
Fig. 5 is that a kind of three groups of the of antenna set schematic diagram in the multi-antenna terminal provided in second embodiment of the invention；
Fig. 6 is that three groups of the another of antenna set schematic diagram in the multi-antenna terminal provided in second embodiment of the invention；
Fig. 7 is a kind of flow chart of the antenna switching method provided in second embodiment of the invention；
Fig. 8 is a kind of flow chart of the antenna switching method provided in third embodiment of the invention；
Fig. 9 is a kind of flow chart of the selection primary antenna and auxiliary antenna that are provided in third embodiment of the invention；
Figure 10 is a kind of hardware architecture diagram of multi-antenna terminal in various embodiments of the present invention；
Figure 11 is the wireless communication system schematic diagram of the multi-antenna terminal shown in Figure 10.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In follow-up description, the suffix using such as " module ", " part " or " unit " for representing element is only
Be advantageous to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " part " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as mobile phone, flat board
Computer, notebook computer, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
Media player (Portable Media Player, PMP), guider, wearable device, Intelligent bracelet, pedometer etc. move
Dynamic terminal, and the fixed terminal such as digital TV, desktop computer.
It will be illustrated in subsequent descriptions by taking mobile terminal as an example, it will be appreciated by those skilled in the art that except special
Outside element for moving purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, its hardware architecture diagram for a kind of mobile terminal of each embodiment of the realization present invention, the shifting
Dynamic terminal 100 can include：RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit
103rd, A/V (audio/video) input block 104, sensor 105, display unit 106, user input unit 107, interface unit
108th, the part such as memory 109, processor 110, power supply 111 and antenna 112.Wherein, in the mobile terminal 100 shown in Fig. 1
Including at least three groups of antennas 112, at least three groups of antennas 112 currently with the main transmitting-receiving communication of mobile terminal 100
For primary antenna, currently connected with the auxiliary receiving path of mobile terminal 100 supplemented by antenna, remaining is spare antenna, processor
110 can control each group of antenna respectively with it is main transmitting-receiving path and auxiliary receiving path break-make situation, when processor 110 control certain
When one group of antenna is with main transmitting-receiving communication, radio frequency unit 101 can be received or be sent signal by this group of antenna, it should be understood that
It is that at least three groups of antennas 112 can be flexibly arranged on the optional position of mobile terminal 100, such as, work as mobile terminal
When including three groups of antennas 112 on 100, this three groups of antennas 112 can be separately positioned on the top at the back side of mobile terminal 100, lower-left
Side and lower right.Those skilled in the art are further appreciated that the mobile terminal structure shown in Fig. 1 is not formed to mobile whole
The restriction at end, mobile terminal can be included than illustrating more or less parts, either combine some parts or different portions
Part is arranged.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, the reception and transmission of signal, specifically, by base station
Uplink information receive after, handled to processor 110；In addition, up data are sent to base station.Generally, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrate
Frequency unit 101 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, WCDMA), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, FDD Long Term Evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex Long Term Evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, it is simultaneously not belonging to must be configured into for mobile terminal, completely can be according to need
To be omitted in the essential scope for do not change invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is receiving or
It is sound that the voice data stored in memory 109, which is converted into audio signal and exported,.Moreover, audio output unit 103
The audio output related to the specific function that mobile terminal 100 performs can also be provided (for example, call signal receives sound, disappeared
Breath receives sound etc.).Audio output unit 103 can include loudspeaker, buzzer etc..
A/V input blocks 104 are used to receive audio or video signal.A/V input blocks 104 can include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the static images or the view data of video obtained in image capture mode by image capture apparatus (such as camera) are carried out
Reason.Picture frame after processing may be displayed on display unit 106.Picture frame after the processing of graphics processor 1041 can be deposited
Storage is transmitted in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio (voice) data after processing can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model.
Microphone 1042 can implement various types of noises and eliminate (or suppression) algorithm to eliminate (or suppression) in reception and send sound
Caused noise or interference during frequency signal.
Mobile terminal 100 also includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity transducer can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axles) size of acceleration, size and the direction of gravity are can detect that when static, the application available for identification mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Display unit 106 is used for the information for showing the information inputted by user or being supplied to user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 1061.
User input unit 107 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal
The key signals input that family is set and function control is relevant.Specifically, user input unit 107 may include contact panel 1071 with
And other input equipments 1072.Contact panel 1071, also referred to as touch-screen, collect touch operation of the user on or near it
(for example user uses any suitable objects or annex such as finger, stylus on contact panel 1071 or in contact panel 1071
Neighbouring operation), and corresponding attachment means are driven according to formula set in advance.Contact panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
Contact coordinate is converted into, then gives processor 110, and the order sent of reception processing device 110 and can be performed.In addition, can
To realize contact panel 1071 using polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except contact panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
Include but be not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
One or more, do not limit herein specifically.
Further, contact panel 1071 can cover display panel 1061, detect thereon when contact panel 1071 or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, contact panel 1071 and display panel
1061 be the part independent as two to realize the input of mobile terminal and output function, but in certain embodiments, can
Input and the output function of mobile terminal are realized so that contact panel 1071 and display panel 1061 is integrated, is not done herein specifically
Limit.
Interface unit 108 is connected the interface that can pass through as at least one external device (ED) with mobile terminal 100.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with
For transmitting data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Voice data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection
Individual part, by running or performing the software program and/or module that are stored in memory 109, and call and be stored in storage
Data in device 109, the various functions and processing data of mobile terminal are performed, so as to carry out integral monitoring to mobile terminal.Place
Reason device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Device is managed, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor is main
Handle radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) to all parts power supply, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put
The function such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also will not be repeated here including bluetooth module etc..
For the ease of understanding the embodiment of the present invention, the communications network system being based on below to the mobile terminal of the present invention enters
Row description.
For the ease of understanding the embodiment of the present invention, the communications network system being based on below to the mobile terminal of the present invention enters
Row description.
First embodiment：
Antenna in terminal work role is fixed in order to solve in the prior art, thus cause terminal transmitting-receiving performance easily by
User holds the influence of the factors such as posture, so that the problem of terminal communication performance is unstable, the present embodiment will provide one kind
Antenna switching method.The antenna switching method is mainly used in the multi-antenna terminal for including multigroup antenna, understands day for convenience
The application scenarios of line switching method, hardware configurations of the Fig. 2 to the radio frequency unit of multi-antenna terminal in the present embodiment is first combined below
It is introduced：
The terminal of the present embodiment includes at least three groups of antennas 211,212 ... 21m, antenna gating circuit 22, radio circuit
23 and BBP 24, the antenna gating circuit 22 have n first interface 2211,2212 ... (n is generally big by 221n
In the positive integer equal to m), two second interfaces 2221,2222.Wherein, a second interface 2221 and the main receipts of radio circuit
Send out communication 231 and 232 (TX and PRX in Fig. 2), another second interface 2222 and the auxiliary receiving path of radio circuit
233 (DRX in Fig. 2) are connected, and an at least way switch is connected between each first interface and two second interfaces
Circuit, has at least one switch on each path switching circuit, each group of antenna of the present embodiment with antenna gating circuit extremely
Few first interface connection.BBP 24 includes radio-frequency transmissions D/A converting circuit 241 (TX-DAC in Fig. 2), master
Collection receives analog to digital conversion circuit 242 (PRX-ADC in Fig. 2), (DRX- in Fig. 2 of diversity reception analog to digital conversion circuit 243
ADC analog to digital conversion circuit 242, diversity reception analog-to-digital conversion), and with the radio-frequency transmissions D/A converting circuit 241, main collection are received
The modulation-demodulation circuit 244 (the MODEM PROC in Fig. 2) that circuit 243 connects respectively, the main transmitting-receiving path 231 of radio circuit 23
The radio-frequency transmissions D/A converting circuit 241 with BBP, main collection receive that analog to digital conversion circuit 242 is corresponding connects respectively with 232
Logical, auxiliary receiving path 233 connects with diversity reception analog to digital conversion circuit 243.BBP also includes antenna switching control mould
Block 245 and HAL interface modules 246, antenna switching control module 245 are connected by HAL interface modules 245 and antenna gating circuit 22
It is logical, each way switch electricity in antenna gating circuit 22 can be controlled by the antenna switching control module 245 of HAL interface modules 246
The break-make (connection between an arbitrary first interface and a second interface can be controlled) on road, and based on this from multigroup
Specific primary antenna is selected in antenna, or selects specific primary antenna and auxiliary antenna combination.
, can also be with addition, the antenna switching control module 245 in the present embodiment can be integrated in BBP 24
BBP 24 is provided separately, such as is arranged in application processor, or is separately provided.
Please with further reference to the flow chart of the antenna switching method provided in Fig. 3：
S302, according to the uplink communication parameter of each group antenna the performance of each group antenna is carried out including N number of judgement stage
Condition is advanced to adjudicate to determine the need for carrying out antenna switching.
The advanced judgement of condition is carried out primarily to by least two sometimes to the performance of each group antenna in the present embodiment
The judgement stage of sequence is excluded among disposable Performance Evaluation, and antenna performance shows with leading to because being influenceed by accidentalia
The different situation of reason condition, more objectively behavior pattern of the evaluation each group antenna within a period, rather than a certain moment
Behavior pattern.It is assumed that include tri- antennas of A, B, C among some multi-antenna terminal, under normal circumstances, in the multi-antenna terminal
It is work antenna to have two antennas, and respectively as primary antenna and auxiliary antenna, and an other antenna is as spare antenna.Wherein,
Primary antenna is used for signal transmitting and receiving, and the main auxiliary signal of auxiliary antenna receives, and spare antenna is then temporarily not involved in work.Work as in table 1
In, two antennas of A, B, C are sets forth in antenna performance at different moments：
Table 1
| Moment | Antenna A performance | Antenna B performance | Antenna C performance |
| T1 | It is outstanding | Typically | Difference |
| T2 | It is outstanding | Well | Typically |
| T3 | Typically | Well | It is outstanding |
| … | … | … | … |
| Tn-1 | It is outstanding | It is outstanding | Difference |
| Tn | It is outstanding | Well | Typically |
From table 1 it follows that within this period at T1 moment to Tn moment, antenna A overall performance is better than day
Line B and antenna C, and the performance that antenna B performance can be than antenna C is better.It is assumed that now according to disposable assessment side
Case is assessed the performance of each antenna, then, the selection for assessing the moment just seems particularly significant, because if the T1 of selection,
Several moment such as T2 detect the messaging parameter of each antenna, and finally giving performance evaluation will relatively agree with actual conditions.But
If selection detects the messaging parameter of each antenna at the T3 moment, so as to assess the performance of three antennas, then can obtain and each day
The opposite conclusion of line overall performance.So if scheme according to disposable Performance Evaluation, it is possible to can be because in detection antenna
When performance, each antenna receives the influence of other accidentalia, so as to show "abnormal".It should be appreciated that institute here
The situation about not being inconsistent with normal conditions that the exception said actually refers to.In order to avoid this problem in disposable Performance Evaluation,
A kind of advanced decision mechanism of condition is proposed in the present embodiment.In the advanced decision mechanism of condition, including N number of judgement stage.Due to
This N number of judgement stage is not to carry out simultaneously, and therefore, also there is front and rear difference in each judgement stage at the time of execution, and completion includes N
The advanced judgement of condition in individual judgement stage needs to undergo a period of time.So by the advanced decision mechanism of condition, can effectively keep away
Exempt from the influence of accidentalia, the objective real overall performance situation of stabilization for understanding each group antenna.
In the present embodiment, N value is more than or equal to 2., can be by the designer of multi-antenna terminal as specific value
Or self-defined setting is either liked etc. according to oneself requirement to power consumption, performance etc. by user.Condition is entered below
The single judgement stage in rank decision mechanism is introduced, shown in Figure 4：
S402, the uplink communication parameter for obtaining the performance current for each group antenna that characterizes multi-antenna terminal.
In the present embodiment, the antenna performance of each group antenna is mainly characterized by uplink communication parameter, but, should be managed
Solution, among some other example, can also evaluate antenna performance using downlink communication parameter.It is mentioned here descending
Messaging parameter includes but is not limited in received signal strength, received signal quality, received signal power and the bit error rate at least
It is a kind of.And upstream communication parameter is several including transmission signal power, maximum transmission power ratio value and channel quality instruction etc.
At least one of.It is understood that uplink communication parameter or downlink communication parameter are either directed to, it is recited herein
All indicate relatively common several, moreover, with the difference of communication standard, uplink communication parameter and downlink communication parameter are also
It can increase and decrease with situation.In addition, above-mentioned uplink communication parameter may with title of the downlink communication parameter under different systems
There are some differences, for example, received signal strength is in GSM (Global System for Mobile Communication, the whole world
GSM) it is by parameter RSSI (Received Signal Strength Indication reception signals under standard
Intensity indicates) characterize, and in WCDMA (Wideband Code Division Multiple Access, wideband code division are more
Location) and TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time-division are same
Walk CDMA) under both communication standards, then become parameter RSCP and (Received Signal Code Power, receive
Signal code power), under LTE (Long Term Evolution, Long Term Evolution) standard, then using parameter RSRP
(Reference Signal Receiving Power, Reference Signal Received Power) characterizes.So, it is to be understood that
Received signal strength mentioned here, received signal quality etc. are got off explanation from the Essential Action of parameter, are not limited
Its specific name under different scenes.Accordingly, for some parameter, no matter whether its title is such as above-mentioned enumerate,
As long as its essence is corresponding implication, then the signified scope of the present embodiment is belonged to.
Among each example of the present embodiment, the uplink communication parameter obtained in the judgement stage can be identical,
The messaging parameter that there may be at least two judgement stages in N number of judgement stage is different.It is logical for what is obtained in each judgement stage
Believe the number of parameter, limited without specific in the present embodiment, can be one or two and more than.
S404, the difference two-by-two for calculating each group antenna uplink messaging parameter.
Multi-antenna terminal X is currently assumed in the advanced judgement of carry out condition, the uplink communication parameter that each stage obtains is homogeneous
Together, such as its x that got parms in each judgement stage.After the parameter x of multi-antenna terminal X each group antennas is got, meter
Calculate the difference two-by-two of each group antenna communication parameter.It is assumed that multi-antenna terminal X includes 3 groups of antennas, this three groups of antennas are A1, A2 respectively
And A3, the then difference two-by-two calculated will include 3, and if multi-antenna terminal includes m group antennas, then calculate
Difference will have two-by-twoIt is individual.For in this example, multi-antenna terminal X is only for one identical parameters x's of each group antenna acquisition
Situation, in the difference two-by-two between calculating each group antenna, very simply.For example, the difference d12 two-by-two between antenna sets A1 and A2
Equal to x1-x2, and the d23 of difference two-by-two between antenna sets A2 and A3 is equal to x2-x3, the difference d13 two-by-two between antenna sets A1 and A3
Equal to x1-x3.
S406, the phase threshold based on the judgement stage determine whether result of calculation meets to adjudicate bar corresponding to the judgement stage
Part.
In the present embodiment, corresponding phase threshold is both provided with for each judgement stage, it is poor two-by-two being calculated
After value, each difference two-by-two can be compared with phase threshold, and determine that each group antenna is current according to comparative result
Whether performance has reached a certain distance.If having reached a certain distance, illustrate the gap of performance between each antenna
Meet when the judgment condition in leading decision stage, there is a possibility that to carry out antenna switching；Otherwise, current each antenna is illustrated
Performance it is similar, do not switch will, so, can directly judge that antenna switching need not be carried out, and be directly entered S414, with
Exit current antenna switching flow.
If obtaining the stage of messaging parameter, antenna communication can be characterized by all only obtaining one for every group of antenna
Can uplink communication parameter, then when calculating the difference two-by-two of each group antenna communication parameter, can only will obtain on same
The difference two-by-two of row messaging parameter, so, judge whether result of calculation meets the judgement in the phase threshold based on the judgement stage
Corresponding to stage during judgment condition, it is only necessary to be compared each difference two-by-two with the phase threshold in the judgement stage, you can
Draw a conclusion.But if when messaging parameter is obtained, the messaging parameter of two kinds and the above is obtained, how this is based on rank
Section threshold value makes decisions to result of calculation, is set forth below such two kinds of solutions：
The first, sets the decision threshold for including two and the above in phase threshold.Specifically, for different up logical
Believe parameter, different decision thresholds is set, then to difference judges two-by-two when, for different uplink communication parameters
Difference two-by-two, it is compared using different decision thresholds.For example, among a judgement stage, for antenna sets A1 and A2,
Two messaging parameters of x and y are obtained, then one decision threshold can be set for x and y respectively, and are just included in phase threshold
The two decision thresholds.It should be appreciated that in this case, should when calculating antenna sets A1 and A2 difference two-by-two
When ensure calculate be homogeneous communication parameter difference two-by-two, i.e., respectively calculate antenna sets A1 and A2 it is poor two-by-two under x parameter
Value, and the difference two-by-two under y parameters.When the result of calculation to difference two-by-two makes decisions, uplink communication will be directed to respectively
Parameter x threshold value two-by-two is compared with x decision threshold, by the decision threshold for uplink communication parameter y threshold value two-by-two with y
Value is compared.
For a certain uplink communication parameter, if any one in each difference two-by-two is more than decision threshold, you can judge
The uplink communication parameter meets into order conditions.If one is all unsatisfactory for, it can directly judge that the uplink communication parameter is discontented with
Foot enters order conditions.Certainly, when determining that whether a uplink communication parameter meets into order conditions, other conditions can also be passed through.Such as,
Whether reach default ratio for the number for being more than decision threshold in each difference two-by-two of the uplink communication parameter.For example, more days
Among line terminal X, it is desirable to for the difference two-by-two of a certain messaging parameter, it is necessary to there is 2/3 to reach decision threshold, just can be determined that this
Messaging parameter meets into order conditions, if then among multi-antenna terminal X, there is 3 groups of antennas, then must have two two-by-two difference it is big
In equal to decision threshold.When whether meeting into order conditions for other uplink communication parameter, and in this way, here no longer
Repeat.
After whether meeting that the judgement into order conditions is completed to each uplink communication parameter, it is also necessary to determine whether to reach
Whether the number for entering the uplink communication parameter of order conditions reaches predetermined number, if so, really judging to meet to sentence corresponding to the judgement stage
Certainly condition, otherwise, it is determined that being unsatisfactory for the judgment condition when the leading decision stage.It is assumed that predetermined number be 1, and employ 3 it is up
Messaging parameter weighs the performance of each group antenna, then when any one in this 3 uplink communication parameters meets into order conditions,
It can determine that antenna performance meets the judgment condition when the leading decision stage.
Second, a nondimensional phase threshold is only set.Here illustrated by taking certain two groups of antenna as an example：It is optional
Ground, dimension first is carried out to each difference two-by-two of this two groups of antennas and handles to obtain corresponding standard value, then to calculate two groups of antennas each
The mean difference of standard value, then by each group antenna two-by-two between mean difference with adjudicate the stage phase threshold compared with,
When any one in each mean difference be more than the judgement stage phase threshold, or when each mean difference be more than the judgement stage rank
When the ratio of section threshold value reaches preset ratio, judgement meets judgment condition corresponding to the judgement stage.
Here to going dimension processing simply to be introduced by taking received signal strength and received signal quality as an example：For receiving
Signal intensity, determine its maximum P in antenna practical applicationMAX1.Similarly, for signal quality, determine that it may reach
The maximum Q arrivedMAX2.It is assumed that the difference two-by-two of the current received signal strength of two groups of antennas of certain being calculated is P1, receive
The difference two-by-two of signal quality is Q1, then the standard deviation for for the two messaging parameters obtain after dimension processing is distinguished
For P1/PMAX1And Q1/QMAX2.So the mean difference between this two groups of antenna standard values is (P1/PMAX1+Q1/QMAX2)/2.When
So, among some other example of the present embodiment, mean difference can be calculated using modes such as weighted average or arithmetic averages.
Alternatively, it is also possible to without calculate mean difference, for example, when phase threshold be for standard deviation sum set when, it is possible to
Directly by (P1/PMAX1+Q1/QMAX2) be compared with phase threshold.
It should be appreciated that the method for going dimension to handle has a lot, in addition to the mode of above-mentioned example, " phase can also be used
To changing processing method ", " function processing method ", " extreme value method ", " standardized method ", " method for normalizing " etc. carry out
Dimension is gone to handle.In fact, said process is the mode that dimension is gone in a kind of simple normalization.
It should be appreciated that when carrying out dimension and handling, some messaging parameters belong to " direct index ", and its value is higher, then
It is better to characterize antenna performance, such as received signal quality, received signal strength etc..But some messaging parameters then belong to " negative to refer to
Mark ", such as MPTL (Maximum transmit power level, maximum transmission power in the bit error rate, uplink communication parameter
Ratio value) etc., its value is smaller, then representative antennas performance is more excellent.It is average calculating for " positive and negative index " be present simultaneously
The messaging parameter for direct index and negative index is needed during difference to be needed to be considered.For example it is assumed that certain being calculated
The standard deviation of two antenna received signal strengths is P11, and the standard deviation of the bit error rate is J11, then can use Arithmetic Expressions Using
(P11-J11)/2 mean difference is obtained.Now mean difference is bigger, that is, it is more excellent to characterize antenna performance.It is it should be appreciated that foregoing
Calculation is only a kind of feasible simple examples, does not represent the present invention and is only capable of using this kind of calculation pair while exists " just
The situation of negative index " is handled.In fact, pair can also be existed simultaneously using processing modes such as " relative processing methods "
The situation of " positive and negative index " is handled.
Beyond all doubt, each phase threshold for adjudicating the stage be able to can also be not completely equivalent with equal, i.e., wherein any
The phase threshold in two judgement stages is unequal.In the present embodiment, respectively the phase threshold in judgement stage can gradually successively decrease,
The phase threshold in i.e. preceding judgement stage is more than the phase threshold in the rear judgement stage.Such as the bar in some multi-antenna terminal
Among the advanced judgement of part, including 3 judgement stages, wherein the phase threshold in the first judgement stage to the 3rd judgement stage is respectively
D1, D2 and D3, these three phase thresholds meet D1>D2>D3 relation.
S408, judge when whether the leading decision stage is last judgement stage.
, it is necessary to judge this current when judging to meet the judgment condition in judgement stage among a judgement stage
Whether the judgement stage is last judgement stage.If it is not, next judgement stage also be present in explanation, therefore, when
Preceding antenna performance also needs to do further assessment, therefore, into S410.If it is, explanation antenna performance is completely logical
The judgement in N number of judgement stage has been crossed, so, it is possible to determine that the performance gap in communication terminal between each group antenna meets antenna
Switching condition is, it is necessary to carry out antenna switching, therefore can enter S412.
S410, into next judgement stage.
It should be appreciated that respectively the flow in judgement stage is similar in the present embodiment, therefore detailed process is referred to Fig. 3's
Introduce, no longer the process in other judgement stages is introduced here.
In the present embodiment, whether meet that switching condition carries out the purpose of N number of judgement stage judgement to antenna performance, before
Have been carried out introducing, be to ensure that the stability to antenna carries out thoroughly evaluating.So can be by the presence of multiple
The judgement stage of order relation is evaluated performance of the antenna within one period.If it is understood that when assessing antenna
The time span undergone is bigger, then assessment result is more objective.So among some examples of the present embodiment, in order to prolong
The advanced judgement of elongate member the undergone time, latent period can be set between the two neighboring judgement stage, by waiting week
Taking for phase, can fully exclude the influence of accidentalia.It should be appreciated that the duration of latent period it is more not long yet more
Good, because if latent period is oversize, then arriving causes whole antenna switch step long, may influence user in some cases
Experience.For example, terminal it is current spare antenna performance it is very good, but primary antenna performance is excessively poor, and user is just in this case
Call, very big influence is received, therefore be badly in need of carrying out antenna switching.But the because time mistake that the advanced judgement of condition is undergone
It is long, so, cause call experience of the user within a very long time all bad.
The duration of latent period can be pre-set by Terminal Design personnel, or can also be set by User Defined.
Due to not fully being bound between each judgement stage, therefore, the latent period among each judgement stage can be with equal, can also not
It is essentially equal.For example, respectively the latent period in judgement stage is 3s, or the latent period in the first judgement stage is 3s, and second
The latent period in judgement stage is only 2s, and this is also feasible.Among some examples of the present embodiment, each judgement stage etc.
Treat that the cycle gradually successively decreases.In addition, the different demands of multi-antenna terminal radio-frequency enabled can be correspondingly arranged different for user
Latent period, for example, in user's communication and online etc. to that under the scene of radio-frequency enabled heavy dependence, latent period can be set
Put shorter, and for other scenes insensitive to data transmit-receive, then it can increase the length stage of latent period, being can
With without setting latent period.When adjudicating the stage there is no other after judging this judgement stage, day can be directly entered
The process of line options.
Similar to latent period, each messaging parameter for adjudicating stage acquisition can be with identical, it is possibility to have at least two judgements
The messaging parameter of the acquisition in cycle is different.For example, among certain advanced judgement of condition, what first judgement stage obtained is
Uplink communication parameter transmission signal power and maximum transmission power ratio value.And in the 3rd judgement stage, acquisition can be with
It is channel quality instruction and the transmission signal power of multi-antenna terminal each group antenna.But with latent period length it is different
In, if in the advanced judgement of condition respectively judgement the stage phase threshold between relation be present, judging whether meet currently sentence
Certainly handled corresponding to the stage during judgment condition, it is necessary to carry out dimension to the messaging parameter of acquisition.Because when each judgement stage
When relation between phase threshold be present, illustrating, each threshold value for adjudicating the stage must be that same dimension is nondimensional in other words,
Therefore, it is necessary to which the messaging parameter got is changed, judgement can not otherwise be realized.
S412, judgement need to carry out antenna switching.
After judging to need to carry out antenna switching, it is possible to enter the process for reselecting primary antenna and auxiliary antenna.
S414, exit antenna switching flow.
In the present embodiment, it is final to determine that antenna needs to switch over if by the judgement in N number of judgement stage, then enter
Enter S304, otherwise, terminate antenna switching flow.
S304, the connected relation between each group antenna and main transmitting-receiving path, auxiliary receiving path is redefined so as to select
New primary antenna, auxiliary antenna and spare antenna.
, can be according to up based on being got in the advanced judgement of condition when primary antenna, auxiliary antenna is reselected
Messaging parameter is selected, and can also reacquire current uplink communication parameter, then up at this further according to each group antenna
Performance ranking under messaging parameter, one group of best performance is selected to be used as primary antenna, the main transmitting-receiving path with the multi-antenna terminal
Connection, one group of selection performance suboptimum connect with the auxiliary receiving path of the multi-antenna terminal as auxiliary antenna, remaining antenna are made
For spare antenna.
The antenna switching method that the present embodiment provides, by the advanced decision mechanism of condition, to exist to antenna performance
Sequential twice and the above assessment, by the advanced judgement of condition respectively judgement the stage timing, so as to realize to each group day
The assessment of line overall performance within one period, exclude shadow of the accidentalia to antenna performance at some moment to antenna performance
Ring, so as to more objectively to whether needing to carry out antenna switching to judge, ensure the correctness of judged result, reliability with
Stability, and then ensure that multi-antenna terminal possesses reliable and stable radio-frequency performance, lift Consumer's Experience.
Further, in the present embodiment, determine that each group antenna performance meets this judgement rank in a judgement stage
The judgment condition of section, and determine when also needing to enter next judgement stage, it can be introduced into when the latent period in leading decision stage, when
After latent period terminates, entering next judgement stage.In this way, can further extend the advanced judgement of condition to be passed through
The duration gone through, so as to evaluate the performance of each group antenna performance in a longer period of time, more fully conclusion is drawn, further
The accuracy of the advanced judgement conclusion of lifting condition.
Second embodiment：
First the set location of the multigroup antenna of multi-antenna terminal in previous embodiment is introduced for the present embodiment, refers to figure
5：
Among Fig. 5, three groups of antennas are just provided with multi-antenna terminal 50, wherein first antenna group 51 is arranged on it
Top, the second antenna sets 52 and third antenna group 53 are respectively arranged with left and right sides of terminal bottom.Due in the present embodiment
The role of " primary antenna ", " auxiliary antenna " and " spare antenna " can exchange, so, for multi-antenna terminal 50, a certain
Moment is probably that first antenna group 51 is used as primary antenna, and the second antenna sets 52 are used as auxiliary Antenna Operation, and third antenna group 53
Do not work temporarily.And at another moment, the second antenna sets 52 and third antenna group 53 may be become again respectively as primary antenna
Radio frequency operation is participated in auxiliary antenna, and first antenna group 51 is used as spare antenna.
The set location of each antenna sets is in addition to being referred to the example in Fig. 5 in multi-antenna terminal, can also be according to
The position of upper, middle and lower is arranged at the top of multi-antenna terminal to set, such as by first antenna group, and is dropped the second antenna sets and set
At middle part, third antenna group is arranged on terminal bottom.Further, since user is when holding terminal, it is several to the grip at the top of terminal
Rate is relatively small, so, it can also reduce and more antenna sets are arranged at the top of terminal under the basis disturbed between antenna sets.
Such as among a certain multi-antenna terminal 60 shown in Fig. 6, it includes third antenna group 61, the 4th antenna sets 62 and the 5th antenna sets
63, wherein, third antenna group 61, the 4th antenna sets 62 are arranged on the top of multi-antenna terminal 60, and the 6th antenna sets 63 are set
Put in terminal bottom.
It should be appreciated that " one group of antenna " described in the present embodiment and first embodiment actually contains one group
There was only the situation of an antenna in antenna.For example, certain in multi-antenna terminal organizes antenna as primary antenna, while in this group of antenna
An only antenna, so, this root antenna is separately as primary antenna.Certainly, among other multi-antenna terminal, one group
At least two antennas may be included among antenna, then among these multi-antenna terminals, can by more antennas simultaneously Lai
Undertake the function of primary antenna or realize the function of auxiliary antenna.
The specific example for being only provided with tri- antennas of A, B, C with reference to multi-antenna terminal to be come to the day in first embodiment
Line switching method is further elaborated.
Example one：
It is assumed that among the advanced judgement of condition, including 3 judgement stages, and messaging parameter acquired in each judgement stage
All same, for example, be in uplink communication parameter maximum transmission power ratio value (it is assumed that multi-antenna terminal used by communicate
Standard is LTE standards).In addition, respectively the phase threshold in judgement stage is equal among the advanced judgement of condition, such as the first judgement rank
Duan Zhi tri- adjudicates the phase threshold D1=D2=D3=60% in stage.Refer to the stream of the antenna switching method shown in Fig. 7
Cheng Tu：
S702, obtain the current maximum transmission power ratio value of each antenna of multi-antenna terminal.
It is assumed that after being acquired by the maximum transmission power ratio value parameter current to each antenna, it is determined that current main day
Line, auxiliary antenna and spare antenna, namely A, B and C maximum transmission power ratio value are respectively 30%, 60% and 90%.
S704, the difference two-by-two for calculating each antenna maximum transmission power ratio value.
Pass through d in the present embodimentABThe difference two-by-two between antenna A and antenna B is characterized, similarly, passes through dBCAnd dACRespectively
Characterize the difference two-by-two between antenna B and antenna C, antenna A and antenna C.It is understood that described in the present embodiment two-by-two
Difference refers to the absolute value of difference.So dAB=30%, dBC=30%, dAC=60%.
S706, judge whether difference two-by-two more than or equal to phase threshold 60%.
If so, then enter S708；Otherwise, antenna switching flow is exited into S710.By judging, current d is foundAC=
60% reaches phase threshold dAC=60%, so, S708 can be entered.
S708, judge whether next judgement stage.
If so, then enter S712, otherwise into S714.Next judgement stage is judged whether, that is, is judged current
The judgement stage whether be last among the advanced judgement of condition.Because by S706 judgement, in fact, having determined
The current performance of tri- antennas of A, B, C of multi-antenna terminal meets the judgment condition when the leading decision stage, so, if after renew
In next judgement stage, then need to enter next judgement stage；If there is no next judgement stage, then need to reselect master
Antenna, auxiliary antenna.
S710, exit antenna switching flow.
The implication for exiting antenna switching flow is, no longer performs any one follow-up judgement stage.Only when new is touched
After clockwork spring part reaches, the advanced judgement of condition can be just re-started.
S712, into when the latent period in leading decision stage.
If by judging, also there is the other judgement stage in discovery after the leading decision stage, then needs into next
The judgement stage.But, in order to ensure can there is certain time interval between two judgement stages, so as to more comprehensive reaction
Go out performance of the antenna in multiple different times, so, the present embodiment can enter before next judgement stage is entered and work as leading decision
The latent period in stage, after latent period terminates, just terminate when the leading decision stage, hence into next judgement stage.
The duration of the latent period in each judgement stage be able to can also be differed with identical.Due to there was only three in the present embodiment
The judgement stage, and last judgement stage is generally not provided with latent period, therefore, in fact, the condition in this implementation is advanced
In judgement, only two latent periods.But among other examples, among the advanced judgement of condition, there may be multiple waits
Cycle, these latent periods can be equal, can also be uniformly equal, i.e., no any two latent period is equal, for example, institute
With the latent period in the stage of adjudicating taper off trend reduce.
Why the when long-press decline trend of latent period is set, actually considered with the judgement rank passed through
Hop count purpose constantly increases, and illustrates that antenna performance has gone through increasing assessment, the comprehensive and objectivity of evaluation is
Through having obtained relatively sufficiently embodiment.Therefore it can be gradually reduced in the latent period in rear judgement stage etc., be entered with saving condition
The duration of rank judgement.
S714, it is that multi-antenna terminal reselects primary antenna and auxiliary antenna.
, can be according to based on the downlink communication got in the advanced judgement of condition when reselecting primary antenna, auxiliary antenna
Parameter is selected, and current uplink communication parameter can also be reacquired, then further according to each group antenna in the uplink communication
Performance ranking under parameter, one group of best performance is selected to be used as primary antenna, the main transmitting-receiving communication with the multi-antenna terminal,
One group of selection performance suboptimum connects, using remaining antenna as sky as auxiliary antenna with the auxiliary receiving path of the multi-antenna terminal
Not busy antenna.
In the present embodiment when each antenna communication parameter is obtained, single uplink communication parameter, but ability are only obtained
Field technique personnel, in each judgement stage, can obtain several it is understood that in order to fully understand the performance of antenna each side
Messaging parameter.For example, two uplink communication parameters are obtained simultaneously while obtain a uplink communication parameter and a uplink communication
Parameter while to obtain multiple uplink communication parameters be also feasible.
The antenna switching method that the present embodiment provides, identical messaging parameter is selected in each judgement stage, and be each judgement
Stage sets identical phase threshold so that the processing of the advanced judgement of whole condition is simple, reduces shared by antenna switching
Process resource, be advantageous to most optimum distribution of resources.
3rd embodiment：
The present embodiment only implements to first continuing with multi-antenna terminal there is provided the specific example of tri- antennas of A, B, C
Antenna switching method in example is further elaborated.
Example two：
It is assumed that among the advanced judgement of condition, including 4 judgement stages, and the phase threshold in each judgement stage differs.
The situation of messaging parameter acquired in each judgement stage provided in table 2, phase threshold and latent period is referred to below：
Table 2
In the present embodiment, what each judgement stage obtained is all uplink communication parameter, it is understood that, other one
Among a little examples, lower messaging parameter can also be obtained, uplink and downlink communication parameter can also be combined.Refer to what is shown in Fig. 8
The flow chart of antenna switching method：
S802, obtain each antenna of multi-antenna terminal current transmission signal power and MTPL.
It is assumed that by finding A, B and C after being acquired to the current transmission signal power of each antenna and MTPL parameters
Transmission signal power is respectively -43dB, -57dB and -52dB；And the MTPL of three is respectively 10%, 35% and 47%.
S804, the difference two-by-two for calculating for transmission signal power and MTPL each antenna communication parameter respectively.
Among this example, the difference of transmission signal power is characterized by q, the difference between MTPL is characterized by r.Then rAB、
rBC、rACRespectively 14dB, 5dB, 9dB, qAB、qBC、qACRespectively 25%, 12% and 37%.
S806, according to result of calculation judge whether meet when the leading decision stage judgment condition.
By the agency of is crossed for obtaining multiple messaging parameters in a judgement stage in the first embodiment, and is set multiple
During decision threshold, if it is determined that whether meeting the process of judgment condition：
Due to each judgement phase threshold in stage and unequal in the present embodiment, therefore, it is necessary to first before making decisions
It is determined which the current judgement stage is, what its phase threshold is.It is assumed that be the 3rd judgement stage now, so, according to
Content in table 2 understands, the decision threshold for transmission signal power this messaging parameter is 4dB, for MTPL decision threshold
Value is 40%.So can be by rAB、rBC、rACRespectively compared with 4dB, by qAB、qBC、qACRespectively compared with 40%.
It is assumed that require there must be 2 corresponding decision threshold ability for reaching messaging parameter in difference two-by-two in the present embodiment
Judge that the messaging parameter meets into order conditions, and when at least one in two messaging parameters is met into order conditions, just it can determine that
The behavior pattern of current each antenna meets the judgment condition in the 3rd judgement stage.So it can determine to launch according to these requirements
Signal power and MTPL are satisfied by, into order conditions, therefore, integrally reaching the judgment condition in the 3rd judgement stage.
If judging that current antenna performance is unsatisfactory for the judgment condition when the leading decision stage among other examples, therefore,
Antenna switching flow can directly be exited because no matter the performance of current each antenna is bad, but generally speaking, each antenna it
Between performance gap it is little, it is not necessary to carry out antenna switching, thus perform S810.
S808, judge whether next judgement stage.
, it is necessary to determine whether after the judgment condition in judgement tri- antennas of A, B, C current judgement stage of performance satisfaction the 3rd
A judgement stage in the presence of also.Because the advanced judgement of the condition among this example includes 4 judgement stages altogether, therefore, currently
It it is not last judgement stage, it is therefore desirable to the latent period into this judgement stage.
If the current judgement stage is the 4th, by judging to find other no judgement stages below, therefore,
Primary antenna, auxiliary antenna can directly be reselected.
S810, exit antenna switching flow.
The implication for exiting antenna switching flow is, no longer performs any one judgement stage in the advanced judgement of this condition.
Only after new trigger condition reaches, the advanced judgement of condition can be just re-started.
S812, into when the latent period in leading decision stage.
If by judging, also there is the other judgement stage in discovery after the leading decision stage, then needs into next
The judgement stage.But, in order to ensure can there is certain time interval between two judgement stages, so as to more comprehensive reaction
Go out the performance of multiple different time points, so, the present embodiment can enter before next judgement stage is entered and work as the leading decision stage
Latent period, after latent period terminates, just terminate when the leading decision stage, hence into next judgement stage.
Among this example, each latent period for adjudicating the stage is simultaneously unequal, therefore, enters every time before the judgement stage,
It needs to be determined that when how long the latent period in leading decision stage is.Continue to assume that it was the 3rd judgement stage to work as the leading decision stage, then should
When a length of 1s of the latent period in judgement stage.So after waiting 1s into latent period, into next judgement stage, knot
Beam this judgement stage.
S814, it is that multi-antenna terminal reselects primary antenna and auxiliary antenna.
The scheme of selection primary antenna and auxiliary antenna in the present embodiment is simply introduced with reference to Fig. 9：
S902, it is respectively that each group antenna determines election contest parameter value according to the uplink communication parameter of each group antenna.
Election contest parameter value mentioned here is participation in the election parameter value of each antenna when campaigning for primary antenna and auxiliary antenna, such as
In the present embodiment, election contest parameter value is the received signal strength and received signal quality of each antenna.It should be appreciated that election contest ginseng
The source of numerical value is at least such two kinds：The first, due to having obtained the logical of each antenna in the condition advanced judgement stage
Believe parameter, therefore, the uplink communication parameter got in the advanced judgement of condition can be directly based upon and carry out day line options, Ye Jigen
Election contest parameter value is worth to according to each messaging parameter in the advanced judgement of condition.Second, when selecting two antennas, reacquire and work as
Preceding uplink communication parameter.
For the first above-mentioned scheme, it is contemplated that the messaging parameter that last judgement stage gets in each judgement stage
The newest behavior pattern of each antenna can be most characterized, therefore, the communication that directly can be got according to last judgement stage is joined
Number is as election contest parameter value, so as to carry out ranking to the behavior pattern of each antenna.This mode is relatively simple, without reacquiring
Parameter, efficiency of selection are higher.Further, since the judgement in N number of stage above has been carried out, therefore, it may be considered that synthesis is N number of to be sentenced
The certainly general status for the messaging parameter that the stage obtains, for example, the messaging parameter that each stage obtains in above N number of judgement stage is entered
Row is average, and will obtain average value as election contest parameter value.In this scheme, what election contest parameter value reacted is antenna at one section
Interior overall performance, it is more objective reliable.
For above-mentioned second scheme, its obtain campaign for parameter value when more freedom and flexibility because the first side
Election contest parameter value in case derives from each judgement stage of the advanced judgement of condition, so the species of election contest parameter value is limited
It is fixed, but among second scheme, the process and the advanced judging process of condition of campaigning for antenna have no Wire Parameters relation, institute
When antenna campaigned for, more, more fully parameter can be obtained completely, then the combination property of antenna is ranked up, protected
Card selects the good antenna of comprehensive comparison as primary antenna and auxiliary antenna.
S904, one group of antenna of best performance and main transmitting-receiving path company are selected according to the size of each group antenna election contest parameter value
It is logical, select one group of antenna of performance suboptimum to be connected with auxiliary receiving path.
In addition, in the present embodiment, it is not necessary to selection and go out the optimal antenna of overall performance as primary antenna,
Might not the sub-optimal antenna of overall performance could be used as auxiliary antenna.Because user it is different using situation under to antenna
Different performance has different requirements, for example, when data download is carried out, the descending performance of lower antenna is more valued, in number
When according to uploading, then uplink communication performance is more valued, so, can also be current to multi-antenna terminal when selecting antenna
Usage scenario is detected, and more agrees with the antenna of demand instantly as main and auxiliary antenna to select performance.
The present embodiment is to obtain two messaging parameters in each judgement stage, and the scheme that respectively judgement phase threshold is successively decreased is entered
Introduction is gone.In the advanced judgement of condition, by constantly reducing respectively in the phase threshold in rear judgement stage so that in rear judgement rank
The judgment condition of section is easily satisfied all the more, i.e. the severe of judgment condition progressively weakens.This is mainly considered after more arriving
In the judgement stage in face, illustrate that the number in the judgement stage that current antenna passes through is more, more there is the demand that antenna switching occurs, because
This, by the harsh degree for progressively weakening judgment condition, it is ensured that the situation for really needing to obtain antenna switching finally can
Realize that antenna switches.In addition, respectively the latent period in judgement stage is shorter and shorter, it is also ensured that really needs to obtain antenna switching
Situation can realize as early as possible antenna switch, allow multi-antenna terminal to recover preferable communication performance as early as possible.
Fourth embodiment：
The present embodiment provides a kind of computer-readable recording medium first, is stored among the computer-readable recording medium
One or more computer programs, these computer programs are available for processor to read, compile and perform, so as to realize corresponding side
Method flow.In the present embodiment, being stored among computer-readable recording medium can realize that antenna switches in previous embodiment
The computer program of method.
In addition, the present embodiment also provides a kind of multi-antenna terminal, shown in Figure 10, multi-antenna terminal 10 includes processing
Device 11, memory 12, communication bus 13, communication unit 14 and antenna 15；
Communication bus 13 is used to realize the connection communication between processor 11, memory 12 and communication unit 14；
Communication unit 14 can be radio frequency communications unit (radio circuit) or other kinds of communication unit, its
Including main transmitting-receiving path, auxiliary receiving path (not shown in path figure), antenna 15 comprises at least three groups, in this at least three groups of antenna
Currently with it is above-mentioned it is main transmitting-receiving communication be primary antenna, currently connected with above-mentioned auxiliary receiving path supplemented by antenna, it is remaining
For spare antenna.
Memory 12 is used to perform one or more programs, processor 11 be used to performing stored in memory one or
Multiple programs, the step of to realize as above antenna switching method exemplified by each embodiment.
With reference to the communications network system Organization Chart provided in Figure 11 to the logical of the multi-antenna terminal 90 in the present embodiment
Letter is simply introduced：
Refer to Figure 11, the communications network system be universal mobile communications technology LTE system, the LTE system include according to
UE (User Equipment, user equipment) 1101, E-UTRAN (the Evolved UMTS Terrestrial of secondary communication connection
Radio Access Network, evolved UMTS Terrestrial radio access network) (Evolved Packet Core, are drilled 1102, EPC
Enter formula packet-based core networks) 1103 and operator IP operation 1104.
Specifically, UE1101 can be above-mentioned multi-antenna terminal 10, and here is omitted.
E-UTRAN1102 includes eNodeB11021 and other eNodeB11022 etc..Wherein, eNodeB11021 can lead to
Backhaul (backhaul) (such as X2 interface) is crossed to be connected with other eNodeB11022, eNodeB11021 is connected to EPC1103,
ENodeB11021 can provide UE201 to EPC1103 access.
EPC1103 can include MME (Mobility Management Entity, mobility management entity) 11031,
HSS (Home Subscriber Server, home subscriber server) 11032, other MME11033, SGW (Serving Gate
Way, gateway) 11034, PGW (PDN Gate Way, grouped data network gateway) 11035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 11036 etc..Wherein, MME11031 is processing UE1101
The control node of signaling between EPC1103, there is provided carrying and connection management.HSS11032 carrys out pipe for providing some registers
The function of such as attaching position register (not shown) etc is managed, and preserves some about service features, data rate
Deng the special information of user.All customer data can be transmitted by SGW11034, and PGW11035 can be provided
UE1101 IP address distribution and other functions, PCRF11036 are strategy and the charging of business data flow and IP bearing resources
Control strategy decision point, it selects and provided available strategy and charging with charge execution function unit (not shown) for strategy
Control decision.
IP operation 1104 can include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedias
Subsystem) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And following new network system etc., do not limit herein.
Because the UE1101 provided in the present embodiment is multi-antenna terminal, so being carried out in UE1101 and E-UTRAN1102
Among interactive process, the antenna switching method introduced in foregoing embodiments can be used, antenna performance is assessed, and
And when determining that each antenna performance has larger performance gap after the judgement by multiple judgement stages, will be again
UE1101 selects the new preferably main and auxiliary antenna of performance, to avoid influenceing user's communication, lifts Consumer's Experience.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal (can be mobile phone, computer, service
Device, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under the enlightenment of the present invention, in the case of present inventive concept and scope of the claimed protection is not departed from, it can also make a lot
Form, these are belonged within the protection of the present invention.
Claims (10)
1. a kind of antenna switching method, it is characterised in that applied to multi-antenna terminal, it is logical that the multi-antenna terminal includes main transmitting-receiving
Road, auxiliary receiving path and at least three groups of antennas；It is with the main transmitting-receiving communication currently at least three groups of antennas
Primary antenna, currently connected with the auxiliary receiving path supplemented by antenna, remaining is spare antenna；Methods described includes：
To the performances of at least three groups antennas include the advanced judgement of condition in N number of judgement stage with determine the need for into
Row antenna switches, and the N is more than or equal to 2, and the judgement stage includes：Obtain each group day for characterizing the multi-antenna terminal
The uplink communication parameter of the current performance of line；The difference two-by-two of at least three groups antenna uplink messaging parameters described in calculating；Based on institute
The phase threshold for stating the judgement stage determines whether result of calculation meets judgment condition corresponding to the judgement stage, if so, judging
Whether the presently described judgement stage is last judgement stage, if so, judging to need to carry out antenna switching, otherwise into next
The judgement stage；
When judgement needs progress antenna switching, redefine at least three groups of antennas and lead to the main transmitting-receiving path, auxiliary receive
Connected relation between road is so as to selecting new primary antenna, auxiliary antenna and spare antenna.
2. antenna switching method as claimed in claim 1, it is characterised in that at least two judgement in N number of judgement stage
The phase threshold in stage is unequal.
3. antenna switching method as claimed in claim 2, it is characterised in that in the leading decision stage in N number of judgement stage
Phase threshold be more than the rear judgement stage phase threshold.
4. antenna switching method as claimed in claim 1, it is characterised in that it is not last to judge the presently described judgement stage
After the individual judgement stage, also include before into next judgement stage：Into the latent period in presently described judgement stage.
5. antenna switching method as claimed in claim 4, it is characterised in that the multi-antenna terminal includes three antennas, its
In antenna and the main transmitting-receiving communication be primary antenna, an antenna connected with the auxiliary receiving path supplemented by antenna,
A remaining antenna is spare antenna；Latent period in N number of judgement stage in the leading decision stage is more than in rear judgement
The latent period in stage.
6. antenna switching method as claimed in claim 1, it is characterised in that the uplink communication parameter includes transmission signal work(
At least one of rate, maximum transmission power ratio value and channel quality instruction.
7. the method for switching antenna as claimed in claim 6, the uplink communication parameter includes transmission signal power, maximum hair
At least two penetrated in power ratio and channel quality instruction；The two of at least three groups antenna uplink messaging parameters described in the calculating
Two differences include：The difference two-by-two of the identical uplink communication parameter of each group antenna at least three groups of antennas described in calculating；
The phase threshold based on the judgement stage determines whether result of calculation meets judgement corresponding to the judgement stage
Condition includes：
Dimension is carried out to each difference two-by-two of certain two groups of antenna to handle to obtain corresponding standard value, then calculates described two groups
The mean difference of each standard value of antenna；By each group antenna two-by-two between mean difference and the judgement stage phase threshold
It is compared, when any one in each mean difference is more than the phase threshold in the judgement stage, or when each described flat
When the ratio for the phase threshold that equal difference is more than the judgement stage reaches preset ratio, judgement meets that the judgement stage is corresponding
Judgment condition；
Or,
For a certain uplink communication parameter, by each difference two-by-two corresponding to the uplink communication parameter and the decision threshold
Described in the decision threshold of uplink communication parameter be compared；Appointing in each difference two-by-two of the uplink communication parameter
The number that meaning one is more than in the decision threshold, or each difference two-by-two more than the decision threshold reaches default ratio
When, judge that the uplink communication parameter meets into order conditions；The number for judging to reach into the uplink communication parameter of order conditions again is
It is no to reach predetermined number, if so, really judging to meet judgment condition corresponding to the judgement stage.
8. the antenna switching method as described in claim any one of 1-7, it is characterised in that respectively sentence in N number of judgement stage
Certainly the uplink communication parameter in stage is identical.
9. a kind of multi-antenna terminal, it is characterised in that the multi-antenna terminal includes processor, memory and communication bus；Institute
Stating multi-antenna terminal also includes main transmitting-receiving path, auxiliary receiving path and at least three groups of antennas；In at least three groups of antennas when
It is preceding with it is described it is main transmitting-receiving communication be primary antenna, currently connected with the auxiliary receiving path supplemented by antenna, it is remaining to be
Spare antenna；
The communication bus is used to realize the connection communication between processor and memory；
The processor is used to perform one or more program stored in memory, to realize as appointed in claim 1 to 8
The step of antenna switching method described in one.
A kind of 10. computer-readable recording medium, it is characterised in that the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be by one or more computing devices, to realize such as claim 1 to 8
Any one of antenna switching method the step of.
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| CN201710766580.9A CN107682038B (en) | 2017-08-30 | 2017-08-30 | Antenna switching method, multi-antenna terminal and computer readable storage medium |
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| CN109861697A (en) * | 2019-01-23 | 2019-06-07 | 努比亚技术有限公司 | Antenna performance optimization method and device, terminal and computer readable storage medium |
| CN111294080A (en) * | 2019-01-31 | 2020-06-16 | 展讯通信（上海）有限公司 | Antenna module selection method and device, terminal equipment and computer readable storage medium |
| CN111614416A (en) * | 2020-06-01 | 2020-09-01 | 展讯通信（上海）有限公司 | Antenna switching method and device |
| CN114096004A (en) * | 2020-08-24 | 2022-02-25 | 中国电信股份有限公司 | Control method and device for multi-antenna carrier |
| US11664872B2 (en) | 2019-01-31 | 2023-05-30 | Spreadtrum Communications (Shanghai) Co., Ltd. | Beam detection method and device, beam adjusting method and device, antenna module selection method and device, and computer readable storage media |
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| CN109861697A (en) * | 2019-01-23 | 2019-06-07 | 努比亚技术有限公司 | Antenna performance optimization method and device, terminal and computer readable storage medium |
| CN109861697B (en) * | 2019-01-23 | 2021-03-30 | 努比亚技术有限公司 | Antenna performance optimization method and device, terminal and computer readable storage medium |
| CN111294080A (en) * | 2019-01-31 | 2020-06-16 | 展讯通信（上海）有限公司 | Antenna module selection method and device, terminal equipment and computer readable storage medium |
| CN111294080B (en) * | 2019-01-31 | 2021-03-23 | 展讯通信（上海）有限公司 | Antenna module selection method and device, terminal equipment and computer readable storage medium |
| US11664872B2 (en) | 2019-01-31 | 2023-05-30 | Spreadtrum Communications (Shanghai) Co., Ltd. | Beam detection method and device, beam adjusting method and device, antenna module selection method and device, and computer readable storage media |
| CN111614416A (en) * | 2020-06-01 | 2020-09-01 | 展讯通信（上海）有限公司 | Antenna switching method and device |
| CN114096004A (en) * | 2020-08-24 | 2022-02-25 | 中国电信股份有限公司 | Control method and device for multi-antenna carrier |
| CN114096004B (en) * | 2020-08-24 | 2024-03-26 | 中国电信股份有限公司 | Control method and device for multi-antenna carrier |
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| CN107682038B (en) | 2020-05-22 |
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