CN106712864A - Smart antenna performance test and optimization method and device - Google Patents
Smart antenna performance test and optimization method and device Download PDFInfo
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- CN106712864A CN106712864A CN201710048233.2A CN201710048233A CN106712864A CN 106712864 A CN106712864 A CN 106712864A CN 201710048233 A CN201710048233 A CN 201710048233A CN 106712864 A CN106712864 A CN 106712864A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
- H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a smart antenna performance test and optimization method and device. The method comprises the steps of calibrating each channel of a mounted smart antenna; carrying out beam forming weight setting on each channel of the smart antenna according to target performance parameters of the smart antenna; and obtaining test signals received by test terminals at various test points, obtaining actual measurement performance parameters of the smart antenna according to the test signals, comparing and analyzing target performance parameters and the actual measurement performance parameters, and adjusting a beam forming weight of each channel of the smart antenna according to a comparison result. According to the embodiment of the method and the device, a beam forming weight coefficient is optimized, the beam forming optimal coverage effect consistent with an external field actual environment is obtained accurately, and the manual intervention and engineering debugging workload of a beam forming optimization test is reduced.
Description
Technical field
The present invention relates to communication technique field, more particularly to a kind of intelligent antenna performance test and the method and dress of optimization
Put.
Background technology
Intelligent antenna technology is introduced with the development of wireless communication technology, in more many wireless communication systems to be lifted
Power system capacity, coverage and system throughput.
Wave beam forming is the key technology in smart antenna, is weighed by setting the transmission power in each array element of smart antenna
Weight, forms the wave beam for pointing to and being estimated user.Beamforming technique is being expanded the coverage area, is improving edge throughput and interference
The aspects such as supression have very big advantage.And the key of wave beam forming is the determination of weights, its setting has influence on whole intelligence day
Linear energy.Additionally, intelligent antenna technology index has a lot, wherein antenna radiation pattern characterizes antenna radiated electromagnetic wave in space
Ability, reflect the performance indications and working condition of smart antenna.Therefore, in face of complicated |input paramete and restrictive condition,
The setting for needing to carry out various field testings on the spot to evaluate and adjust these parameters.
Existing smart antenna evaluating method includes following several：
1st, under preferable microwave dark room environment, far field test environment is built, the wave beam forming figure to smart antenna is carried out
Performance Evaluation.However, the method test site requirement condition is more strict, the current country disclosure satisfy that smart antenna test request
Microwave dark room test site it is less.
2nd, under external field environment, fixed number of users, position or movement locus, by the ripple for opening and closing smart antenna
Beam figuration function obtains smart antenna directional diagram or figuration gain to assess the quality of intelligent antenna performance.However, the method
Wave beam forming function phase be simply show for the influence without wave beam forming function intelligent antenna performance.
3rd, in laboratory environments, the phase information for obtaining each passage of antenna is parsed by calibrating mode, test obtains ripple
The performance of beam figuration.However, the test based on experimental situation cannot obtain the wave beam forming that cannot accurately obtain being applied to outfield
Effect and corresponding weights.
In sum, there is the requirement of test site condition strictly in the method for existing smart antenna test, it is impossible to accurate
To wave beam forming effect and the problem of corresponding weights suitable for outfield, a kind of for external field environment, the intelligent day of acquisition is needed badly
Line wave beam forming effect, the method for adjusting and optimizing weights.
The content of the invention
The present invention provides the method and device of a kind of intelligent antenna performance test and optimization, is used to solve intelligence in the prior art
It is strict to there is the requirement of test site condition in the process of energy antenna measurement, it is impossible to the accurate wave beam forming effect for obtaining being applied to outfield
And the problem of corresponding weights
A kind of method that the embodiment of the invention provides intelligent antenna performance test and optimization, including：
Each passage to the smart antenna after installation is calibrated；
Target capabilities parameter according to the smart antenna, each passage to the smart antenna carries out wave beam forming power
Value is set；
Obtain the test signal that test terminal receives in each test point, installation of the test point according to the smart antenna
Position determines；
The measured performance parameter of the smart antenna is obtained according to each test signal；
The target capabilities parameter and the measured performance parameter are compared analysis, according to comparative result adjustment
The beam shape-endowing weight value of each passage of smart antenna, returns to the step for obtaining the test signal that test terminal receives in each test point
Suddenly, until the measured performance parameter meets pre-conditioned with the target capabilities parameter.
It is preferred that the target capabilities parameter according to the smart antenna, each passage to the smart antenna enters
Row beam shape-endowing weight value is set, including：
According to the target capabilities parameter, wave beam forming table is searched, obtain the beam shape-endowing weight value of the smart antenna；
It is described until the measured performance parameter and the target capabilities parameter meet it is pre-conditioned after, also include：
Corresponding object beam is assigned when determining that the target capabilities parameter and the measured performance parameter meet pre-conditioned
Shape weights, the wave beam forming table is updated according to the object beam shape-endowing weight value.
It is preferred that the measured performance parameter that the smart antenna is obtained according to each test signal, including：
The test terminal is analyzed in the test signal that each test point is received, the smart antenna is fitted
Antenna radiation pattern, the antenna radiation pattern includes horizontal directivity pattern and height pattern；
According to the antenna radiation pattern, the measured performance parameter of the smart antenna is determined.
It is preferred that the test point determines according to the installation site of the smart antenna, including：
Determine the normal direction of the smart antenna, the corresponding ground level position of the installation site of the smart antenna is true
It is set to test origin；
It is determined that test intermediate point, the test intermediate point be along the normal direction and with it is described test origin distance be
The test point of H/tan (θ), θ is the angle of declination of the smart antenna, and H is setting height(from bottom) of the smart antenna with respect to ground level；
It is vertical checkout intermediate point with the test intermediate point, along the normal direction in the vertical checkout intermediate point
It is front and rear respectively to choose several vertical checkout points according to the first step-length；
With the test origin as origin, with H/tan (θ) as radius, determine that horizontal checkout is justified；With the test intermediate point
It is horizontal checkout intermediate point, several horizontal checkout points is chosen on horizontal checkout circle according to the second step-length.
It is preferred that the measured performance parameter includes following one of any or combination：
Angle of declination, the beam angle of horizontal main beam, the beam angle of vertical main beam, the Sidelobe Suppression of horizontal main beam
Than the Sidelobe Suppression ratio of, vertical main beam.
The embodiment of the present invention also provides the device of a kind of intelligent antenna performance test and optimization, including：
Calibration module：Calibrated for each passage to the smart antenna after installation；
Setup module：For the target capabilities parameter according to the smart antenna, to each passage of the smart antenna
Carry out beam shape-endowing weight value setting；
Test module：For obtaining the test signal that test terminal receives in each test point, the test point is according to
The installation site of smart antenna determines；
Processing module：The measured performance parameter of the smart antenna is obtained according to each test signal；By the target
Performance parameter and the measured performance parameter are compared analysis, and each passage of the smart antenna is adjusted according to comparative result
Beam shape-endowing weight value, return test module perform obtain test terminal the step of the test signal that each test point is received, directly
Meet pre-conditioned with the target capabilities parameter to the measured performance parameter.
It is preferred that the setup module, specifically for：
According to the target capabilities parameter, wave beam forming table is searched, obtain the beam shape-endowing weight value of the smart antenna；
The processing module, is additionally operable to：
Corresponding object beam is assigned when determining that the target capabilities parameter and the measured performance parameter meet pre-conditioned
Shape weights, the wave beam forming table is updated according to the object beam shape-endowing weight value.
It is preferred that processing module, specifically for：
The test terminal is analyzed in the test signal that each test point is received, the smart antenna is fitted
Antenna radiation pattern, the antenna radiation pattern includes horizontal directivity pattern and height pattern；
According to the antenna radiation pattern, the measured performance parameter of the smart antenna is determined.
It is preferred that the test module, is additionally operable to：
Determine the normal direction of the smart antenna, the corresponding ground level position of the installation site of the smart antenna is true
It is set to test origin；
It is determined that test intermediate point, the test intermediate point be along the normal direction and with it is described test origin distance be
The test point of H/tan (θ), θ is the angle of declination of the smart antenna, and H is setting height(from bottom) of the smart antenna with respect to ground level；
It is vertical checkout intermediate point with the test intermediate point, along the normal direction in the vertical checkout intermediate point
It is front and rear respectively to choose several vertical checkout points according to the first step-length；
With the test origin as origin, with H/tan (θ) as radius, determine that horizontal checkout is justified；With the test intermediate point
It is horizontal checkout intermediate point, several horizontal checkout points is chosen on horizontal checkout circle according to the second step-length.
It is preferred that the measured performance parameter includes following one of any or combination：
Angle of declination, the beam angle of horizontal main beam, the beam angle of vertical main beam, the Sidelobe Suppression of horizontal main beam
Than the Sidelobe Suppression ratio of, vertical main beam.
The embodiment of the present invention provides the method and device of a kind of intelligent antenna performance test and optimization, first to installation after
Each passage of smart antenna is calibrated；Target capabilities parameter according to smart antenna, each passage to smart antenna enters
Row beam shape-endowing weight value is set；Then the test signal that test terminal receives in each test point is obtained, is obtained according to each test signal
To the measured performance parameter of smart antenna, target capabilities parameter and measured performance parameter are compared analysis, according to comparing knot
The beam shape-endowing weight value of each passage of fruit adjustment smart antenna.The embodiment of the present invention is carried out by beam shape-endowing weight value coefficient
Optimization, accurately obtains the optimal coverage effect of wave beam forming for meeting outfield actual environment, reduces wave beam forming optimal inspection
Manual intervention and engineering debugging workload.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the schematic flow sheet of the method for a kind of intelligent antenna performance test provided in an embodiment of the present invention and optimization；
Fig. 2 a are a kind of schematic diagram of the position of test terminal provided in an embodiment of the present invention；
Fig. 2 b are the schematic diagram of the position of another test terminal provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic flow sheet of beam shape-endowing weight value method of adjustment provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the device of a kind of intelligent antenna performance test provided in an embodiment of the present invention and optimization.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step ground is described in detail, it is clear that described embodiment is only some embodiments of the invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
Smart antenna provided in an embodiment of the present invention is a kind of bilateral antenna installed in base station scene, is carried by one group
The fixed antenna unit of programmable electronic phase relation obtains directionality, it is possible to while obtaining between base station and mobile station each
The directional characteristic of link.Usual smart antenna includes realizing the antenna array of signal space over-sampling, the output of each array element is added
Weigh the beam-forming network for merging, three parts of control system for reconsolidating weights.It is just in mobile communication application
Estimate in analysis, Sidelobe control and DOA (Direction Of Arrival, arrival direction), antenna array typically uses uniform line
Battle array or uniform circular array；Additionally, by control system basis signal environment, selection rule and algorithm calculate weights.
A kind of method that the embodiment of the present invention provides intelligent antenna performance test and optimization, as shown in figure 1, for the present invention is real
A kind of intelligent antenna performance test of example offer and the method flow schematic diagram of optimization are provided, including：
Step S101：Each passage to the smart antenna after installation is calibrated.
Specifically, it is necessary first to select the installation site of smart antenna to be measured, base station is then carried out to fix and smart antenna
Install, Installation Modes can include horizontal and vertical both of which, the embodiment of the present invention is carried out for being horizontally mounted pattern in detail
Illustrate, right angle setting pattern is similar, will not be described here.
In order to meet different beams figuration direction test point selection demand, the reconnaissance of installation site and height ensure intelligent day
The spacious test zone of line covering, and in the region to be measured in addition to test terminal without other terminals, or other terminals are in standby nothing
Business initiates state.
Further, it is effective in order to ensure the beam shape-endowing weight value coefficient of smart antenna to be measured, after smart antenna installation,
, it is necessary to enter row of channels school to all radio-frequency channel receiving-transmitting chains of smart antenna to be measured before configuration beam shape-endowing weight value coefficient
Standard, calibration includes amplitude and phase alignment, can check whether the work of each radio-frequency channel is normal by calibration, and ensure
In amplitude and phase adjustment to target capabilities indication range between all passages.
Specifically, for different smart antenna application system types to be measured and the requirement of wave beam forming performance indications, calibration
Method choose also different.For narrow band signal, the signal width of the carrier center frequency of each passage of smart antenna to be measured is calibrated
Degree and phase are consistent；For broadband signal, the carrier wave for calibrating each passage of smart antenna to be measured keeps in effective bandwidth
Amplitude is consistent with phase.Ensure the uniformity of amplitude and phase between each passage by multichannel calibration.
Step S102：Target capabilities parameter according to smart antenna, each passage to smart antenna carries out wave beam forming
Weights are set.
Specifically, after row of channels calibration is entered in all radio-frequency channels to smart antenna to be measured, intelligent day to be measured is started
The wave beam forming function of line, the then target capabilities parameter according to smart antenna, each passage to smart antenna carries out wave beam
Shape-endowing weight value is configured, and ensures that the beam shape-endowing weight value of each passage can individually be changed and come into force.
Further, target capabilities parameter includes frequency, target angle of declination, the beam angle of target level main beam, mesh
Mark the Sidelobe Suppression ratio of the beam angle of vertical main beam, the Sidelobe Suppression of target level main beam than, target vertical main beam
Deng.Specifically, the parameter such as frequency and angle of declination in target capabilities parameter, searches wave beam forming table, obtains smart antenna
Each passage beam shape-endowing weight value, and configure each passage beam shape-endowing weight value and come into force.
It should be noted that can be by the control system of base station to each passage of smart antenna in the embodiment of the present invention
Beam shape-endowing weight value configured, it is also possible to by test terminal Remote configuration weights, be not limited herein.Additionally, passing through
The mode such as network interface and serial ports can read, show and monitor coming into force and change situation for each passage beam shape-endowing weight value.
Step S103：The test signal that test terminal receives in each test point is obtained, the test point is according to the intelligence
The installation site of antenna determines.
Wherein, test point determines according to the installation site of smart antenna.According to the requirement of test beam direction, in different positions
Put and choose optimal test point.As shown in Figure 2 a and 2 b, it is a kind of schematic diagram of the position of test terminal of the embodiment of the present invention.
Specifically, according to the installation site of smart antenna, the normal direction A of smart antenna, the A side in such as Fig. 2 a are determined
To the corresponding ground level position of the installation site of smart antenna is defined as into test origin O.Wherein, θ having a down dip for smart antenna
Angle, H is setting height(from bottom) of the smart antenna with respect to ground level, then L represents H/tan (θ).
Further, as shown in Figure 2 a, it is first determined test intermediate point 3, test intermediate point 3 be along normal A directions and with
The distance of test origin O is the test point of L.Then, to test intermediate point 3 for vertical checkout intermediate point, hung down along normal A directions
The front and rear of straight test intermediate point 3 respectively chooses several vertical checkout points according to the first setting step-length, choose 1 in the present embodiment, 2,
4th, 5, i.e. vertical checkout point include 1,2,3,4,5 five test points.Wherein, the first setting step-length can be 1 meter, i.e., each is vertical
The air line distance of test point, in addition can also be according to the selected position sum for surveying space enrironment to vertical checkout point at intervals of 1 meter
Amount is adjusted accordingly, and is not limited herein.
Further, as shown in Figure 2 b, it is origin to test origin O, with L as radius, determines that horizontal checkout is justified；To test
Intermediate point 3 be horizontal checkout intermediate point, according to second setting step-length horizontal checkout circle on choose several horizontal checkout points 1 ',
2 ', 4 ', 5 ', i.e. horizontal checkout point include 1 ', 2 ', 3,4 ', 5 ' five test points.It should be noted that the second setting step-length can
With identical with the first setting step-length, it is also possible to different from the second setting step-length, specifically, the second setting step-length can also be 1 meter,
The air line distance of each test point, in addition can also be according to the selected position for surveying space enrironment to horizontal checkout point at intervals of 1 meter
Adjusted accordingly with quantity, be not limited herein.
It is determined that vertically and horizontally after test point, base station sends test signal to testing end by smart antenna to be measured
End, test signal can be reference signal or service signal, and successively test signal is received in each test point by mobile terminal.
Step S104：The measured performance parameter of smart antenna is obtained according to each test signal.
Specific address, is analyzed according to test terminal in the test signal that each test point is received.For example, receiving
Measurement report (MR, Measurement Report), according to signal power, message transmission rate, SINR (Signal to
Interference plus Noise Ratio, Signal to Interference plus Noise Ratio) etc. performance, can by it is default collection it is soft
Part fits the antenna radiation pattern of smart antenna, including horizontal directivity pattern and height pattern.
Then, obtain the measured performance parameter of smart antenna according to antenna radiation pattern, specific measured performance parameter include but
It is not limited to beam angle, the measured level master for surveying angle of declination, the beam angle of measured level main beam, surveying vertical main beam
The Sidelobe Suppression of wave beam than, survey the Sidelobe Suppression of vertical main beam than etc..
Step S105：The target capabilities parameter and the measured performance parameter are compared analysis, according to comparing knot
Fruit adjusts the beam shape-endowing weight value of each passage of the smart antenna.
Further, after step S105, need return to step S103 to reacquire test terminal and received in each test point
Test signal, until the measured performance parameter meets pre-conditioned with the target capabilities parameter.
Specifically, by measured performance parameter and target capabilities parameter comparison, being led to each according to below standard performance parameter
Road shape-endowing weight value figure parameters optimize adjustment.Below by taking 5 smart antennas of passage as an example, the embodiment of the present invention is provided
Beam shape-endowing weight value method of adjustment be described in detail.As shown in figure 3, being a kind of wave beam forming provided in an embodiment of the present invention
Weighed value adjusting method flow schematic diagram, including：
Step S301：Optimize the angle of declination of main beam.
If actual measurement angle of declination is more than target angle of declination, then it represents that angle of declination angle value needs to reduce.Assuming that smart antenna to be measured
The corresponding initial phase weight coefficient of the 1st passage to the 5th passage be W1, W2, W3, W4, W5, then can by W1 adjustment be updated to
(W1-2 θ), (W2- θ) is updated to by W2 adjustment, and W4 adjustment is updated into (W4+ θ), and W5 adjustment is updated to (W5+2 θ).Wherein,
θ is integer, the specific value of θ can according to the size of the difference of actual measurement angle of declination and target angle of declination, with reference to repeatedly test and
It is empirically determined, do not limit herein.
Correspondingly, if actual measurement angle of declination is less than target angle of declination, then it represents that angle of declination angle value needs increase, then can be by W1
Adjustment is updated to (W1+2 θ), and W2 adjustment is updated into (W2+ θ), and W4 adjustment is updated into (W4- θ), and W5 adjustment is updated to
(W5-2θ).Wherein, θ is integer, the specific value of θ can according to the size of the difference of actual measurement angle of declination and target angle of declination, with reference to
Repeatedly test and empirically determined, do not limit herein.
For the angle of declination of main beam, in order to improve testing efficiency, effect is preferably tested, it is general to adjust intelligence simultaneously
The weights of energy antenna multiple passages, it is also possible to which single passage is adjusted, and is not limited herein.Assuming that after the first suboptimization of adjustment
The phase weights of the 1st passage to the 5th passage of smart antenna to be measured are W11, W12, W13, W14, W15.
Step S302：Optimize the beam angle of main beam.
Specific address, in order to improve testing efficiency, is preferably tested effect, the phase weights W11 after adjusting and optimizing,
On the basis of W12, W13, W14, W15, by adjusting the wave beam forming phase weights of single passage, optimal wave beam is obtained wide
Degree, i.e., adjust the wave beam forming phase weights of single passage every time, and the beam shape-endowing weight value of other passages immobilizes.It is specific to adjust
Whole phase value size is not limited to can be according to the beam angle of actual measurement main beam and the difference of the beam angle of target main beam
Size, tests and empirically determined with reference to multiple, does not limit herein.
For example, by big step footpath δ=90 °, only appointing in the 1st passage of adjustment, the 2nd passage, the 4th passage and the 5th passage
The phase weights of one passage, it is assumed that obtain the phase weights of the 1st passage to the 5th passage of smart antenna to be measured after the second suboptimization
It is W21, W22, W23, W24, W25.
Step S303：Optimize the Sidelobe Suppression of main beam.
Specifically, in order to improve testing efficiency, effect is preferably tested, the phase weights W21 after adjusting and optimizing,
On the basis of W22, W23, W24, W25, by adjusting the wave beam forming phase weights of single passage, optimal main beam is obtained
Sidelobe Suppression, i.e., adjust the wave beam forming phase weights of single passage every time, and the beam shape-endowing weight value of other passages immobilizes.
The phase value size of specific adjustment is not limited to can be according to the Sidelobe Suppression of actual measurement main beam and the Sidelobe Suppression of target main beam
Size of the difference, with reference to repeatedly test and it is empirically determined, do not limit herein.Assuming that obtaining intelligence to be measured after third time optimization
The phase weights of the 1st passage to the 5th passage of antenna are W31, W32, W33, W34, W35.
Further, for any passage in 5 passages, adjustment weights add 10 ° or subtract 10 ° every time, then obtain 2*5
=10 groups of test cases, record every group of main beam Sidelobe Suppression performance of test cases；From 10 groups of test cases, N is selected
Group Sidelobe Suppression performance effect of optimization is optimal, then carries out the search of Sidelobe Suppression best performance result, obtains optimal secondary lobe suppression
Performance processed.
It should be noted that the above method is not only limited to 5 wave beam forming phase weights of the smart antenna of passage adjusting
It is whole, it is also possible to be applied to the intelligent antenna beam shaping phase weighed value adjusting of several passages, be not limited herein.Additionally, this
Inventive embodiments are not limited to be adjusted intelligent antenna beam shaping phase weights for three above performance parameter, for it
Its parameter can also be adjusted to wave beam forming phase weights, not limit herein.
After the beam shape-endowing weight value of the smart antenna to be measured after obtaining final optimization pass, by the long-range connection side in test terminal
Formula adjustment configures each passage beam shape-endowing weight value coefficient.In addition it is also possible to pass through the control system of base station to smart antenna
The beam shape-endowing weight value of each passage is configured, and is not limited herein.Can be by network interface and serial ports after weights configuration
Coming into force and change situation for each passage beam shape-endowing weight value can be read, shows and monitor etc. mode.
For example, being weighed by the wave beam forming phase of the test terminal Remote configuration passage of smart antenna the 1st to be measured to the 5th passage
Value coefficient W31, W32, W33, W34, W35, and the life of each passage beam shape-endowing weight value is being read, shows and monitored by serial ports
Effect and change situation.
It should be noted that, it is necessary to return to step 103 obtains what test terminal received in each test point after step 105
The step of test signal, until measured performance parameter meets pre-conditioned with target capabilities parameter, then test terminates, and record is now
Object beam shape-endowing weight value, wave beam forming table is updated according to object beam shape-endowing weight value, provides accurate during for practical application
Meet the optimal coverage effect of wave beam forming of external field environment.
For example, by after repeatedly adjustment beam shape-endowing weight value and test, obtaining measured performance parameter and target capabilities parameter
Close to consistent or difference in preset range, then test terminates, and record surveys the wave beam forming of the passage of smart antenna the 1st to the 5th passage
Phase weight coefficient W41, W42, W43, W44, W45, then by weight coefficient W1, W2, W3, W4, W5 initial in wave beam forming table
It is updated to W41, W42, W43, W44, W45.
A kind of method that the embodiment of the present invention provides intelligent antenna performance test and optimization, first to installation after intelligent day
Each passage of line is calibrated；Target capabilities parameter according to smart antenna, each passage to smart antenna carries out wave beam
Shape-endowing weight value is set；Then the test signal that test terminal receives in each test point is obtained, intelligence is obtained according to each test signal
The measured performance parameter of antenna, analysis is compared by target capabilities parameter and measured performance parameter, is adjusted according to comparative result
The beam shape-endowing weight value of each passage of smart antenna.The embodiment of the present invention is optimized by beam shape-endowing weight value coefficient,
The optimal coverage effect of wave beam forming for meeting outfield actual environment accurately is obtained, the artificial of wave beam forming optimal inspection is reduced
Intervention and the workload of engineering debugging.
Based on same inventive concept, the embodiment of the present invention also provides the dress of a kind of intelligent antenna performance test and optimization
Put, as shown in figure 4, be a kind of intelligent antenna performance test provided in an embodiment of the present invention and the apparatus structure schematic diagram of optimization,
Including：
Calibration module 401：Calibrated for each passage to the smart antenna after installation；
Setup module 402：For the target capabilities parameter according to the smart antenna, the smart antenna each is led to
Road carries out beam shape-endowing weight value setting；
Test module 403：For obtaining the test signal that test terminal receives in each test point, the test point is according to institute
The installation site for stating smart antenna determines；
Processing module 404：The measured performance parameter of the smart antenna is obtained according to each test signal；By the mesh
Mark performance parameter and the measured performance parameter are compared analysis, and each according to the comparative result adjustment smart antenna leads to
The beam shape-endowing weight value in road, return test module perform obtain test terminal the step of the test signal that each test point is received,
Until the measured performance parameter meets pre-conditioned with the target capabilities parameter.
It is preferred that the setup module 402, specifically for：
According to the target capabilities parameter, wave beam forming table is searched, obtain the beam shape-endowing weight value of the smart antenna；
The processing module 404, is additionally operable to：
Corresponding object beam is assigned when determining that the target capabilities parameter and the measured performance parameter meet pre-conditioned
Shape weights, the wave beam forming table is updated according to the object beam shape-endowing weight value.
It is preferred that processing module 404, specifically for：
The test terminal is analyzed in the test signal that each test point is received, the smart antenna is fitted
Antenna radiation pattern, the antenna radiation pattern includes horizontal directivity pattern and height pattern；
According to the antenna radiation pattern, the measured performance parameter of the smart antenna is determined.
It is preferred that the test module 403, is additionally operable to：
Determine the normal direction of the smart antenna, the corresponding ground level position of the installation site of the smart antenna is true
It is set to test origin；
It is determined that test intermediate point, the test intermediate point be along the normal direction and with it is described test origin distance be
The test point of H/tan (θ), θ is the angle of declination of the smart antenna, and H is setting height(from bottom) of the smart antenna with respect to ground level；
It is vertical checkout intermediate point with the test intermediate point, along the normal direction in the vertical checkout intermediate point
It is front and rear respectively to choose several vertical checkout points according to the first step-length；
With the test origin as origin, with H/tan (θ) as radius, determine that horizontal checkout is justified；With the test intermediate point
It is horizontal checkout intermediate point, several horizontal checkout points is chosen on horizontal checkout circle according to the second step-length.
It is preferred that the measured performance parameter includes following one of any or combination：
Angle of declination, the beam angle of horizontal main beam, the beam angle of vertical main beam, the Sidelobe Suppression of horizontal main beam
Than the Sidelobe Suppression ratio of, vertical main beam.
The embodiment of the present invention provides the device of a kind of intelligent antenna performance test and optimization, first to installation after intelligent day
Each passage of line is calibrated；Target capabilities parameter according to smart antenna, each passage to smart antenna carries out wave beam
Shape-endowing weight value is set；Then the test signal that test terminal receives in each test point is obtained, intelligence is obtained according to each test signal
The measured performance parameter of antenna, analysis is compared by target capabilities parameter and measured performance parameter, is adjusted according to comparative result
The beam shape-endowing weight value of each passage of smart antenna.The embodiment of the present invention is optimized by beam shape-endowing weight value coefficient,
The optimal coverage effect of wave beam forming for meeting outfield actual environment accurately is obtained, the artificial of wave beam forming optimal inspection is reduced
Intervention and the workload of engineering debugging.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The system of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of system, the instruction system realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of intelligent antenna performance test and the method for optimization, it is characterised in that including：
Each passage to the smart antenna after installation is calibrated；
Target capabilities parameter according to the smart antenna, carries out beam shape-endowing weight value and sets to each passage of the smart antenna
Put；
Obtain the test signal that test terminal receives in each test point, installation site of the test point according to the smart antenna
It is determined that；
The measured performance parameter of the smart antenna is obtained according to each test signal；
The target capabilities parameter and the measured performance parameter are compared analysis, the intelligence is adjusted according to comparative result
The beam shape-endowing weight value of each passage of antenna, return obtain test terminal the step of the test signal that each test point is received,
Until the measured performance parameter meets pre-conditioned with the target capabilities parameter.
2. intelligent antenna performance test as claimed in claim 1 and the method for optimization, it is characterised in that described according to the intelligence
The target capabilities parameter of energy antenna, each passage to the smart antenna carries out beam shape-endowing weight value setting, including：
According to the target capabilities parameter, wave beam forming table is searched, obtain the beam shape-endowing weight value of the smart antenna；
It is described until the measured performance parameter and the target capabilities parameter meet it is pre-conditioned after, also include：
Corresponding object beam figuration power when determining that the target capabilities parameter and the measured performance parameter meet pre-conditioned
Value, the wave beam forming table is updated according to the object beam shape-endowing weight value.
3. intelligent antenna performance test as claimed in claim 1 and the method for optimization, it is characterised in that described according to described each
Test signal obtains the measured performance parameter of the smart antenna, including：
The test terminal is analyzed in the test signal that each test point is received, the antenna of the smart antenna is fitted
Directional diagram, the antenna radiation pattern includes horizontal directivity pattern and height pattern；
According to the antenna radiation pattern, the measured performance parameter of the smart antenna is determined.
4. intelligent antenna performance test as claimed in claim 1 and the method for optimization, it is characterised in that the test point according to
The installation site determination of the smart antenna, including：
Determine the normal direction of the smart antenna, the corresponding ground level position of the installation site of the smart antenna is defined as
Test origin；
It is determined that test intermediate point, the test intermediate point be along the normal direction and with it is described test origin distance be H/
The test point of tan (θ), θ is the angle of declination of the smart antenna, and H is setting height(from bottom) of the smart antenna with respect to ground level；
It is vertical checkout intermediate point with the test intermediate point, along the normal direction before and after the vertical checkout intermediate point
Several vertical checkout points are respectively chosen according to the first step-length；
With the test origin as origin, with H/tan (θ) as radius, determine that horizontal checkout is justified；With the test intermediate point as water
Flat test intermediate point, several horizontal checkout points are chosen according to the second step-length on horizontal checkout circle.
5. intelligent antenna performance test as described in any one of Claims 1 to 4 and the method for optimization, it is characterised in that described
Measured performance parameter includes following one of any or combination：
Angle of declination, the beam angle of horizontal main beam, the beam angle of vertical main beam, the Sidelobe Suppression ratio of horizontal main beam,
The Sidelobe Suppression ratio of vertical main beam.
6. a kind of intelligent antenna performance test and the device of optimization, it is characterised in that including：
Calibration module：Calibrated for each passage to the smart antenna after installation；
Setup module：For the target capabilities parameter according to the smart antenna, each passage to the smart antenna is carried out
Beam shape-endowing weight value is set；
Test module：For obtaining the test signal that test terminal receives in each test point, the test point is according to the intelligence
The installation site of antenna determines；
Processing module：The measured performance parameter of the smart antenna is obtained according to each test signal；By the target capabilities
Parameter and the measured performance parameter are compared analysis, and the ripple of each passage of the smart antenna is adjusted according to comparative result
Beam shape-endowing weight value, returns to test module and performs acquisition test terminal the step of the test signal that each test point is received, until institute
State measured performance parameter and meet pre-conditioned with the target capabilities parameter.
7. intelligent antenna performance test as claimed in claim 6 and the device of optimization, it is characterised in that the setup module,
Specifically for：
According to the target capabilities parameter, wave beam forming table is searched, obtain the beam shape-endowing weight value of the smart antenna；
The processing module, is additionally operable to：
Corresponding object beam figuration power when determining that the target capabilities parameter and the measured performance parameter meet pre-conditioned
Value, the wave beam forming table is updated according to the object beam shape-endowing weight value.
8. intelligent antenna performance test as claimed in claim 6 and the device of optimization, it is characterised in that processing module, specifically
For：
The test terminal is analyzed in the test signal that each test point is received, the antenna of the smart antenna is fitted
Directional diagram, the antenna radiation pattern includes horizontal directivity pattern and height pattern；
According to the antenna radiation pattern, the measured performance parameter of the smart antenna is determined.
9. intelligent antenna performance test as claimed in claim 6 and the device of optimization, it is characterised in that the test module,
It is additionally operable to：
Determine the normal direction of the smart antenna, the corresponding ground level position of the installation site of the smart antenna is defined as
Test origin；
It is determined that test intermediate point, the test intermediate point be along the normal direction and with it is described test origin distance be H/
The test point of tan (θ), θ is the angle of declination of the smart antenna, and H is setting height(from bottom) of the smart antenna with respect to ground level；
It is vertical checkout intermediate point with the test intermediate point, along the normal direction before and after the vertical checkout intermediate point
Several vertical checkout points are respectively chosen according to the first step-length；
With the test origin as origin, with H/tan (θ) as radius, determine that horizontal checkout is justified；With the test intermediate point as water
Flat test intermediate point, several horizontal checkout points are chosen according to the second step-length on horizontal checkout circle.
10. intelligent antenna performance test and the device of optimization as described in any one of claim 6~9, it is characterised in that described
Measured performance parameter includes following one of any or combination：
Angle of declination, the beam angle of horizontal main beam, the beam angle of vertical main beam, the Sidelobe Suppression ratio of horizontal main beam,
The Sidelobe Suppression ratio of vertical main beam.
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| CN201710048233.2A CN106712864B (en) | 2017-01-20 | 2017-01-20 | Method and device for testing and optimizing performance of intelligent antenna |
| PCT/CN2017/117267 WO2018133611A1 (en) | 2017-01-20 | 2017-12-19 | Smart antenna performance test and optimization method, device, and apparatus |
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| CN201710048233.2A CN106712864B (en) | 2017-01-20 | 2017-01-20 | Method and device for testing and optimizing performance of intelligent antenna |
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| WO2018133611A1 (en) | 2018-07-26 |
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