CN205123751U - Mobile terminal radio frequency uniformity automatic test system - Google Patents

Mobile terminal radio frequency uniformity automatic test system Download PDF

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Publication number
CN205123751U
CN205123751U CN201420838064.4U CN201420838064U CN205123751U CN 205123751 U CN205123751 U CN 205123751U CN 201420838064 U CN201420838064 U CN 201420838064U CN 205123751 U CN205123751 U CN 205123751U
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China
Prior art keywords
switch
radio frequency
power splitter
test
signal generator
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Expired - Fee Related
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CN201420838064.4U
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Chinese (zh)
Inventor
刘立平
沈少明
黄秋钦
唐冬哥
马治国
李鹏
郑斌
胡晓鹏
彭春晖
林巧珊
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SHENZHEN INSTITUTE OF TELECOMMUNICATIONS
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SHENZHEN INSTITUTE OF TELECOMMUNICATIONS
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Priority to CN201420838064.4U priority Critical patent/CN205123751U/en
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Publication of CN205123751U publication Critical patent/CN205123751U/en
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Abstract

The utility model discloses a mobile terminal radio frequency uniformity automatic test system. The device includes the industrial control compute. The basic station simulator, the vector signal source, analog signal genelator, spectral analyser, the radio frequency case, survey the terminal. Above -mentioned automatic test system, industrial computer pass through GPIB bus control basic station simulator (BS), vector signal generator (VSG), simulation signal generator (ASG), spectral analyser (SA), through LAN mouth control radio frequency switching control unit. Industrial computer operation back, the industrial computer is operated through remote control command control basic station simulator, vector signal generator, instrument such as simulation signal generator, spectral analyser and switch unit, according to the corresponding test link of test sequence needs gating of difference to realize automatic test.

Description

A kind of mobile terminal radio frequency consistency Auto-Test System
Technical field
The utility model relates to mobile terminal radio frequency consistency Auto-Test System, particularly WCDMA, HSDPA or HSUPA mobile terminal radio frequency consistency Auto-Test System.
Background technology
In recent years, to obtain in countries such as Europe, North America, Japan, China based on the third generation mobile communication systems of WCDMA technology and to develop rapidly and extensively commercial.In order to ensure the fail safe of third generation mobile communication systems and safeguard the vital interests of numerous mobile subscribers, each state has all carried out enforceable control and comprehensive model approval procedure to WCDMA/HSDPA/HSUPA terminal equipment, and the Valuation Standard approved according to decree regulation and the Virtual network operator of various countries by third-party testing mechanism carries out consistency certification to the WCDMA/HSDPA/HSUPA terminal equipment that each manufacturer produces.Uniformity test is the checking characteristic of product and the matching degree of code requirement, no matter be the test of which kind of rank, the content of WCDMA/HSDPA/HSUPA terminal consistency test all comprises radio frequency (RF) uniformity test, testing protocol consistency, card interface (USIM) uniformity test, RRM (RRM) uniformity test, audio frequency uniformity test etc., wherein the RF consistency test of terminal is the developing important step of whole Mobile Communication Industry chain, also be the basis of Electro Magnetic Compatibility between Study system (EMC) and HIST (IOT).
At present, on market, existing WCDMA/HSDPA/HSUPA mobile terminal radio frequency consistency testing system has the TS8950-W system of Rohde & Schwarz Representative Office and the test macro of Amway Company, almost cover all radio frequency testing examples that 3GPP test specification requires, whole system includes the software systems of specifying instrument and binding mutually with it, prices are rather stiff for it, domestic not Related product, complete test macro is in space state especially substantially.And CE certification is establishing criteria ETSIEN301908-2 to the test of WCDMA/HSDPA/HSUPA mobile terminal radio frequency, corresponding test event only has tens, and FCC certification only has several.Therefore, research and develop and a kind ofly possess certain Common Testing system, testing cost will be saved widely, and effectively improve testing efficiency.
Utility model content
In order to possess certain versatility, saving testing cost widely, effectively improve testing efficiency, the utility model provides a kind of mobile terminal radio frequency consistency Auto-Test System.
For achieving the above object, a kind of mobile terminal radio frequency consistency Auto-Test System: specifically it comprises industrial computer, base station simulator, vector signal source, analog signal generator, spectrum analyzer, switch control unit and radio frequency case, for controlling base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit, to complete automatic test.
Industrial computer, for controlling base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit, to complete automatic test.
Base station simulator, according to required mode, sets up communication by radio frequency case and measured terminal and is connected, and controls measured terminal transmitting and receiving signal by arranging network parameter.
Vector signal source, for launching adjustable signal, coordinates with analog signal generator, is coupled to measured terminal receiver as interference signal, for the performance test of measured terminal receiver intermodulation; The fading environment of energy needed for mock standard, as fading channel simulator.
Analog signal generator, for launching continuous wave, is coupled to measured terminal receiver as interference signal, tests for measured terminal receiver performance; The continuous wave signal of required frequency launched by analog signal generator, coordinates the calibration of spectrum analyzer completion system link line loss.
Spectrum analyzer, for measuring measured terminal scattering transmission power and the calibration of system link line loss.
Switch control unit, for the on off operating mode of each bar test link of control system.
Radio frequency case, according to standard-required to base station simulator, vector signal source, analog signal generator, spectrum analyzer carries out organic connection, radio frequency switch control unit is coordinated to realize the automatic test of system, be specially base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit carry out wire with radio frequency case respectively and are connected, wherein base station simulator and switch control unit and radio frequency case are both-way communication, vector signal source and analog signal generator and radio frequency case are one-way communication, signal sends to radio frequency case, spectrum analyzer and radio frequency case are one-way communication, signal sends to spectrum analyzer.
The beneficial effects of the utility model are: after industrial computer runs, industrial computer is controlled the instrument such as base station simulator, vector signal generator, analog signal generator, spectrum analyzer and switch unit and operates by remote control commands, need the corresponding test link of gating according to different cycle testss, thus realize automatic test.Therefore, the technical solution of the utility model has possessed certain versatility, cost savings testing cost, effectively improves testing efficiency.
In addition, 2 circulators of the present utility model and filter bank design guarantee that system can test multiple frequency ranges of WCDMA terminal automatically, automatically can complete, do not need manually to change radio-frequency devices when namely measuring multiple WCDMA frequency range or carry out the switching between frequency range.
Band stop filter can make corresponding frequency band signal be greatly attenuated, and makes test result more reasonable, otherwise likely unwanted signal is passed to measuring instrument, disturbed test result.
High pass filter can make corresponding high frequency band signal pass through, and the signal below cut-off frequency is greatly attenuated, and ensures that test result is rationally effective.
Low pass filter can make the signal of below cut-off frequency pass through, and signal more than cut-off frequency is greatly attenuated, and is also to ensure test result more rationally effectively.
Power splitter can be divided into 2 tunnels the signal power of input, and be connected to other instrument or radio-frequency devices, what test link was required according to testing standard carries out various connection.
Mixer can be merged into 1 tunnel the signal of 2 tunnel inputs and export, and such as according to the needs of standard testing, available signal power and interference signal is coupled on required link.
Close two kinds of functions that road power splitter has signal merit division and combination road concurrently.
Attenuator effect: one is in order to protective meter and device, makes the signal of input in the born power bracket of instrument or device; Two is the needs meeting test, ensures that the power of incoming terminal radio frequency mouth is the value of standard-required.
The effect of matched load is that signal power is absorbed, and reaches desirable assimilation effect as far as possible.
Accompanying drawing explanation
Fig. 1 is frame diagram of the present utility model.
Fig. 2 is the connection diagram of radio frequency case.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.
First execution mode
As depicted in figs. 1 and 2, a kind of mobile terminal radio frequency consistency Auto-Test System comprises:
Industrial computer, for controlling base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit, to complete automatic test.
Base station simulator, sets up the connection of required mode by radio frequency case and measured terminal; Network parameter is set and controls measured terminal transmitting and receiving signal.
Vector signal source, for launching adjustable signal, coordinates with analog signal generator, is coupled to measured terminal receiver as interference signal, for the performance test of measured terminal receiver intermodulation; The fading environment of energy needed for mock standard, as fading channel simulator.
Analog signal generator, for launching continuous wave, is coupled to measured terminal receiver as interference signal, tests for measured terminal receiver performance; Launch the continuous wave signal of required frequency, coordinate the calibration of spectrum analyzer completion system link line loss.
Spectrum analyzer, for measuring measured terminal scattering transmission power and the calibration of system link line loss.
Switch control unit, for the on off operating mode of each bar test link of control system.
Radio frequency case, carries out organic connection according to standard-required to base station simulator, vector signal source, analog signal generator, spectrum analyzer, coordinates radio frequency switch control unit to realize the automatic test of system.
Measured terminal, in the present embodiment, measured terminal is WCDMA terminal.
Wherein, as shown in Figure 2, radio frequency case comprises the K switch 5 be connected with measured terminal, the K switch 4 be connected with K switch 5 one end, the conjunction road power splitter that is connected with K switch 5 other end; One end of K switch 4 is connected with K switch 3, and the other end of K switch 4 is connected with conjunction road power splitter; One end of K switch 3 is connected with the first circulator, and the other end of K switch 3 is connected with the second circulator; One end of first circulator is connected with K switch 6, and the other end of the first circulator is connected with K switch 2; One end of second circulator is connected with the other end of K switch 6, and the other end of the second circulator is connected with K switch 2; K switch 6 is connected with power splitter; One tunnel of power splitter connects base station simulator, and another road of power splitter is connected with K switch 8, and K switch 8 is connected with load; One end of K switch 8 is connected with one end of K switch 7; K switch 7 is connected with spectrum analyzer, and the other end of K switch 7 is connected with K switch 10; One end connecting valve K9 of K switch 10, switch 10 is connected with K switch 11; K switch 9 is connected with analog signal generator, and the other end of K switch 9 is connected with the first mixer; One tunnel of the first mixer is connected with vector signal generator; K switch 11 is connected with K switch 12 by filter; K switch 11 is connected with switch 12; K switch 12 is connected with conjunction road power splitter; First mixer is connected with K switch 1, K switch 1 is connected with the second mixer, K switch 1 is connected with load, the second mixer is connected with K switch 2.In addition, in order to one side protective meter and device, make the signal of input in the born power bracket of instrument or device; Meet the needs of test on the other hand, ensure that the power of incoming terminal radio frequency mouth is the value of standard-required, then between K switch 5 and conjunction road power splitter, be provided with attenuator; Attenuator is provided with between K switch 4 and conjunction road power splitter; Attenuator is provided with between conjunction road power splitter and K switch 12; Attenuator is provided with between power splitter and base station simulator; Attenuator is provided with between power splitter and K switch 8.
Above-mentioned Auto-Test System, industrial computer controls base station simulator (BS), vector signal generator (VSG), analog signal generator (ASG), spectrum analyzer (SA) by gpib bus, controls radio frequency switch control unit by LAN mouth.After industrial computer runs, industrial computer is controlled the instrument such as base station simulator, vector signal generator, analog signal generator, spectrum analyzer and switch unit and operates by remote control commands, need the corresponding test link of gating according to different cycle testss, thus realize automatic test.
In addition, 2 circulators of the present utility model and filter bank design guarantee that system can test multiple frequency ranges of WCDMA terminal automatically, automatically can complete, do not need manually to change radio-frequency devices when namely measuring multiple WCDMA frequency range or carry out the switching between frequency range.
Band stop filter can make corresponding frequency band signal be greatly attenuated, and makes test result more reasonable, otherwise likely unwanted signal is passed to measuring instrument, disturbed test result.
High pass filter can make corresponding high frequency band signal pass through, and the signal below cut-off frequency is greatly attenuated, and ensures that test result is rationally effective.
Low pass filter can make the signal of below cut-off frequency pass through, and signal more than cut-off frequency is greatly attenuated, and is also to ensure test result more rationally effectively.
Power splitter can be divided into 2 tunnels the signal power of input, and be connected to other instrument or radio-frequency devices, what test link was required according to testing standard carries out various connection.
Mixer can be merged into 1 tunnel the signal of 2 tunnel inputs and export, and such as according to the needs of standard testing, available signal power and interference signal is coupled on required link.
Close two kinds of functions that road power splitter has signal merit division and combination road concurrently.
Attenuator effect: one is in order to protective meter and device, makes the signal of input in the born power bracket of instrument or device; Two is the needs meeting test, ensures that the power of incoming terminal radio frequency mouth is the value of standard-required.
The effect of matched load is that signal power is absorbed, and reaches desirable assimilation effect as far as possible.
Second execution mode
As shown in Figure 2, radio frequency case comprises the K switch 5 be connected with measured terminal, the K switch 4 be connected with K switch 5 one end, the conjunction road power splitter that is connected with K switch 5 other end; One end of K switch 4 is connected with K switch 3, and the other end of K switch 4 is connected with conjunction road power splitter; One end of K switch 3 is connected with the first circulator, and the other end of K switch 3 is connected with the second circulator; One end of first circulator is connected with K switch 6, and the other end of the first circulator is connected with K switch 2; One end of second circulator is connected with the other end of K switch 6, and the other end of the second circulator is connected with K switch 2; K switch 6 is connected with power splitter; One tunnel of power splitter connects base station simulator, and another road of power splitter is connected with K switch 8, and K switch 8 is connected with load; One end of K switch 8 is connected with one end of K switch 7; K switch 7 is connected with spectrum analyzer, and the other end of K switch 7 is connected with K switch 10; One end connecting valve K9 of K switch 10, switch 10 is connected with K switch 11; K switch 9 is connected with analog signal generator, and the other end of K switch 9 is connected with the first mixer; One tunnel of the first mixer is connected with vector signal generator; K switch 11 is connected with K switch 12 by filter; K switch 11 is connected with switch 12; K switch 12 is connected with conjunction road power splitter; First mixer is connected with K switch 1, K switch 1 is connected with the second mixer, K switch 1 is connected with load, the second mixer is connected with K switch 2.In addition, in order to one side protective meter and device, make the signal of input in the born power bracket of instrument or device; Meet the needs of test on the other hand, ensure that the power of incoming terminal radio frequency mouth is the value of standard-required, then between K switch 5 and conjunction road power splitter, be provided with attenuator; Attenuator is provided with between K switch 4 and conjunction road power splitter; Attenuator is provided with between conjunction road power splitter and K switch 12; Attenuator is provided with between power splitter and base station simulator; Attenuator is provided with between power splitter and K switch 8.
2 circulators of the present utility model and filter bank design guarantee that system can survey multiple frequency ranges of WCDMA terminal automatically, automatically can complete, do not need manually to change radio-frequency devices when namely measuring multiple WCDMA frequency range or carry out the switching between frequency range.
Band stop filter can make corresponding frequency band signal be greatly attenuated, and makes test result more reasonable, otherwise likely unwanted signal is passed to measuring instrument, disturbed test result.
High pass filter can make corresponding high frequency band signal pass through, and the signal below cut-off frequency is greatly attenuated, and ensures that test result is rationally effective.
Low pass filter can make the signal of below cut-off frequency pass through, and signal more than cut-off frequency is greatly attenuated, and is also to ensure test result more rationally effectively.
Power splitter can be divided into 2 tunnels the signal power of input, and be connected to other instrument or radio-frequency devices, what test link was required according to testing standard carries out various connection.
Mixer can be merged into 1 tunnel the signal of 2 tunnel inputs and export, and such as according to the needs of standard testing, available signal power and interference signal is coupled on required link.
Close two kinds of functions that road power splitter has signal merit division and combination road concurrently.
Attenuator effect: one is in order to protective meter and device, makes the signal of input in the born power bracket of instrument or device; Two is the needs meeting test, ensures that the power of incoming terminal radio frequency mouth is the value of standard-required.
The effect of matched load is that signal power is absorbed, and reaches desirable assimilation effect as far as possible.

Claims (4)

1. a mobile terminal radio frequency consistency Auto-Test System, is characterized in that: it comprises industrial computer, base station simulator, vector signal source, analog signal generator, spectrum analyzer, switch control unit and radio frequency case;
Industrial computer, is connected with base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit wire respectively;
Base station simulator, sets up communication by radio frequency case and measured terminal and is connected, and controls measured terminal transmitting and receiving signal by arranging network parameter;
Vector signal source, for launching adjustable signal, is coupled to measured terminal receiver as interference signal;
Analog signal generator, for launching continuous wave, is coupled to measured terminal receiver as interference signal; Continuous wave signal launched by analog signal generator, coordinates the calibration of spectrum analyzer completion system link line loss;
Spectrum analyzer, for measuring measured terminal scattering transmission power and the calibration of system link line loss;
Switch control unit, for the on off operating mode of each bar test link of control system;
Base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit carry out wire with radio frequency case respectively and are connected, wherein base station simulator and switch control unit and radio frequency case are both-way communication, vector signal source and analog signal generator and radio frequency case are one-way communication, signal sends to radio frequency case, spectrum analyzer and radio frequency case are one-way communication, and signal sends to spectrum analyzer.
2. mobile terminal radio frequency consistency Auto-Test System according to claim 1, is characterized in that: described radio frequency case comprises the K switch 5 be connected with measured terminal, the K switch 4 be connected with K switch 5 one end, the conjunction road power splitter that is connected with K switch 5 other end; One end of K switch 4 is connected with K switch 3, and the other end of K switch 4 is connected with conjunction road power splitter; One end of K switch 3 is connected with the first circulator, and the other end of K switch 3 is connected with the second circulator; One end of first circulator is connected with K switch 6, and the other end of the first circulator is connected with K switch 2; One end of second circulator is connected with the other end of K switch 6, and the other end of the second circulator is connected with K switch 2; K switch 6 is connected with power splitter; One tunnel of power splitter connects base station simulator, and another road of power splitter is connected with K switch 8; One end of K switch 8 is connected with one end of K switch 7; K switch 7 is connected with spectrum analyzer, and the other end of K switch 7 is connected with K switch 10; One end connecting valve K9 of K switch 10, switch 10 is connected with K switch 11; K switch 9 is connected with analog signal generator, and the other end of K switch 9 is connected with the first mixer; One tunnel of the first mixer is connected with vector signal generator; K switch 11 is connected with K switch 12 by filter; K switch 11 is connected with switch 12; K switch 12 is connected with conjunction road power splitter; First mixer is connected with K switch 1, K switch 1 is connected with the second mixer, the second mixer is connected with K switch 2.
3. mobile terminal radio frequency consistency Auto-Test System according to claim 2, is characterized in that: in K switch 1, be connected with load, K switch 8 is connected with load.
4. mobile terminal radio frequency consistency Auto-Test System according to claim 3, is characterized in that: between K switch 5 and conjunction road power splitter, be provided with attenuator; Attenuator is provided with between K switch 4 and conjunction road power splitter; Attenuator is provided with between conjunction road power splitter and K switch 12; Attenuator is provided with between power splitter and base station simulator; Attenuator is provided with between power splitter and K switch 8.
CN201420838064.4U 2014-12-16 2014-12-16 Mobile terminal radio frequency uniformity automatic test system Expired - Fee Related CN205123751U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106301620A (en) * 2016-07-29 2017-01-04 江西洪都航空工业集团有限责任公司 Data transmission system active interference dynamic analog and interference antagonism test system
CN106850089A (en) * 2017-01-12 2017-06-13 普联技术有限公司 The system and method for the emitting performance of detection signal transmitting equipment
CN107566056A (en) * 2017-09-14 2018-01-09 中国电子科技集团公司第四十研究所 A kind of multichannel T/R components phase conformance testing device and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106301620A (en) * 2016-07-29 2017-01-04 江西洪都航空工业集团有限责任公司 Data transmission system active interference dynamic analog and interference antagonism test system
CN106850089A (en) * 2017-01-12 2017-06-13 普联技术有限公司 The system and method for the emitting performance of detection signal transmitting equipment
CN107566056A (en) * 2017-09-14 2018-01-09 中国电子科技集团公司第四十研究所 A kind of multichannel T/R components phase conformance testing device and method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160330

Termination date: 20191216