CN104980960A - Switching device for TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing system - Google Patents

Switching device for TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing system Download PDF

Info

Publication number
CN104980960A
CN104980960A CN201510416601.5A CN201510416601A CN104980960A CN 104980960 A CN104980960 A CN 104980960A CN 201510416601 A CN201510416601 A CN 201510416601A CN 104980960 A CN104980960 A CN 104980960A
Authority
CN
China
Prior art keywords
double
throw switch
connected
k2
point
Prior art date
Application number
CN201510416601.5A
Other languages
Chinese (zh)
Inventor
王志
徐波
凌云志
黄武
Original Assignee
中国电子科技集团公司第四十一研究所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中国电子科技集团公司第四十一研究所 filed Critical 中国电子科技集团公司第四十一研究所
Priority to CN201510416601.5A priority Critical patent/CN104980960A/en
Publication of CN104980960A publication Critical patent/CN104980960A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition

Abstract

The invention discloses a switching device for a TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing system, which comprises multiple double-pole-double-throw switches, multiple single-pole-double-throw switches, multiple double-pole-single-throw switches, and a single-pole-three-throw switch K3-9. Different switch connection paths are controlled via software; according to requirements of the TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing device, multiple switches are combined and controlled to be switched according to demands of different test cases of the base station, quick scheduling of multiple instruments of the TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing system can be met, cooperative work of the multiple instruments can be met, and the radio frequency design index can be ensured to meet 3GPP-related base station radio frequency conformance requirements.

Description

A kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device

Technical field

The present invention relates to TD-LTE base station radio-frequency uniformity test application, specifically a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device.

Background technology

Along with TD-LTE network is built and the propelling of TD-LTE-Advanced technology on a large scale, as test before arranging net, verify a crucial ring, base station radio-frequency consistency testing system plays very crucial effect.3GPP TS36.141 defines whole RF consistency test cases of base station network access testing, require accurately to test each lattice test case of base station, the tester so just needing difference in functionality is tested it, for in the research and development of base station and the process of production test, how so many survey instrument is dispatched, how to avoid and the connecting test cable of complexity frequent for different test case and how to improve testing efficiency, become more and more urgent problem, therefore develop a kind of TD-LTE/LTE-Advanced base station radio-frequency consistency testing system switching device to research and develop base, production test has higher necessity, the development of whole mobile communications industry is had very important significance simultaneously.

Traditional base station radio-frequency uniformity test is by passing through cable to different test case, the manual join dependency tester such as power splitter, attenuator, the shortcoming that test process is complicated, the testing time is longer, testing efficiency is lower can be caused like this, ensure that the frequency response of whole Measurement channel and channel gain are well calibrated and compensate owing to connecting too complicated being difficult to simultaneously, therefore develop a kind of TD-LTE/LTE-Advanced base station radio-frequency consistency testing system switching device extremely urgent.

Summary of the invention

The object of this invention is to provide a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, to solve prior art Problems existing.

In order to achieve the above object, the technical solution adopted in the present invention is:

A kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, it is characterized in that: comprise double-point double-throw switch K2-1-K2-5, K3-1-K3-6, single-pole double-throw switch (SPDT) K2-7, K2-8, K3-7, double-pole single throw K2-6, K2-9, SP3T K switch 3-9, wherein an input of double-point double-throw switch K2-1 is connected with antenna for base station 1, an input of double-point double-throw switch K3-1 is connected with antenna for base station 2, an input of double-point double-throw switch K3-2 is connected with antenna for base station 3, an input of double-point double-throw switch K3-3 is connected with antenna for base station 4, an input of double-point double-throw switch K3-4 is connected with antenna for base station 5, an input of double-point double-throw switch K3-5 is connected with antenna for base station 6, an input of double-point double-throw switch K3-6 is connected with antenna for base station 7, another input of double-point double-throw switch K2-1 is connected with an input of a mixer 1 with isolation, another input of double-point double-throw switch K3-1 is connected with an input of a mixer 2 with isolation, another input of double-point double-throw switch K3-2 is connected with an input of a mixer 3 with isolation, another input of double-point double-throw switch K3-3 is connected with an input of a mixer 4 with isolation, another input of double-point double-throw switch K3-4 is connected with an input of a mixer 5 with isolation, another input of double-point double-throw switch K3-5 is connected with an input of a mixer 6 with isolation, another input of double-point double-throw switch K3-6 is connected with an input of a mixer 7 with isolation, another input of mixer 7 is connected with antenna for base station 8, the output of mixer 7 is connected with an output of double-point double-throw switch K3-6, another output of double-point double-throw switch K3-6 is connected with another input of mixer 6, the output of mixer 6 is connected with an output of double-point double-throw switch K3-5, another output of double-point double-throw switch K3-5 is connected with another input of mixer 5, the output of mixer 5 is connected with an output of double-point double-throw switch K3-4, another output of double-point double-throw switch K3-4 is connected with another input of mixer 4, the output of mixer 4 is connected with an output of double-point double-throw switch K3-3, another output of double-point double-throw switch K3-3 is connected with another input of mixer 3, the output of mixer 3 is connected with an output of double-point double-throw switch K3-2, another output of double-point double-throw switch K3-2 is connected with another input of mixer 2, the output of mixer 2 is connected with an output of double-point double-throw switch K3-1, another output of double-point double-throw switch K3-1 is connected with another input of mixer 1, the output of mixer 1 is connected with an output of double-point double-throw switch K2-1, another output of double-point double-throw switch K2-1 is connected with the input of SP3T K switch 3-9,

An output of SP3T K switch 3-9 is connected with an input of double-point double-throw switch K2-2, another input of double-point double-throw switch K2-2 is connected with attenuating device input, an output of double-point double-throw switch K2-2 exports with attenuating device and is connected, another output of double-point double-throw switch K2-2 is connected with an input of double-point double-throw switch K2-3, another input of double-point double-throw switch K2-3 is connected with filter input, an output of double-point double-throw switch K2-3 exports with filter and is connected, another output of double-point double-throw switch K2-3 is connected with the input of single-pole double-throw switch (SPDT) K3-7, an output of single-pole double-throw switch (SPDT) K3-7 is connected with second output of SP3T K switch 3-9, another output of single-pole double-throw switch (SPDT) K3-7 is connected with an input of double-point double-throw switch K2-4, another input of double-point double-throw switch K2-4 is connected with spectrum analyzer input, two outputs of double-point double-throw switch K2-4 are connected with a circulator 1 respectively, an input of described double-point double-throw switch K2-5 is connected with circulator 1, another input of double-point double-throw switch K2-5, an output is connected with the two ends of an amplifier 1 respectively, another output of double-point double-throw switch K2-5 is connected with an output of double-pole single throw K2-6, another input of double-pole single throw K2-6 is connected with an output of single-pole double-throw switch (SPDT) K2-7, the output of double-pole single throw K2-6 is connected with vector signal generator 1, another output of single-pole double-throw switch (SPDT) K2-7 is connected with load 1, the input of single-pole double-throw switch (SPDT) K2-7 and a single channel input, one of them output of mixer 8 with isolation of doubleway output connects, the input of mixer 8 is connected with a circulator 2, second output of described SP3T K switch 3-9 is also connected with circulator 2, described single-pole double-throw switch (SPDT) K2-8 input is connected with another output of mixer 8, an output of single-pole double-throw switch (SPDT) K2-8 connects load 2, another output connected vector signal generator 2 of single-pole double-throw switch (SPDT) K2-8, an input of described double-pole single throw K2-9 connects circulator 2, another input connecting channel simulator input of double-pole single throw K2-9, the output of double-pole single throw K2-9 connects base station comprehensive test instrument, 3rd the output connecting channel simulator of described SP3T K switch 3-9 exports.

Described a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-2; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 be connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the measurement to base station radio-frequency consistency functions such as output power in base station, power output dynamic range, signal transmission quality, frequency error and downlink reference signal power.

Described a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-3; Control double-point double-throw switch K2-3 and make filter input and double-point double-throw switch K2-2, filter output is connected with single-pole double-throw switch (SPDT) K3-7; Controlling double-point double-throw switch K2-4 makes single-pole double-throw switch (SPDT) K3-7 be connected with circulator 1; Controlling double-point double-throw switch K2-5 makes circulator 1 be connected with double-pole single throw K2-6 by amplifier 1; Controlling double-pole single throw K switch 2-6 makes double-point double-throw switch K2-5 be connected with vector signal generator 1, controls single-pole double-throw switch (SPDT) K3-7 and double-point double-throw switch K2-3 is connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to Base Transmitter intermodulation function.

Described a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, is characterized in that: by control double-point double-throw switch K3-1, double-point double-throw switch K3-2, double-point double-throw switch K3-3, double-point double-throw switch K3-4, double-point double-throw switch K3-5, double-point double-throw switch K3-6, antenna for base station 2,3,4,5,6,7,8 is connected with mixer 1,2,3,4,5,6,7; Controlling double-point double-throw switch k2-1 makes antenna for base station 1 be connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control switch double-point double-throw switch K2-2 makes Fader device input be connected with SP3T K switch 3-9 simultaneously, and Fader device exports and is connected with double-point double-throw switch K2-3; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 be connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K switch 3-7 makes double-point double-throw switch K switch 2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station transmitter function time calibration.

Described a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-3; Control double-point double-throw switch K2-3 and make filter input and double-point double-throw switch K2-2, filter output is connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station transmitter stray radiation function.

Described a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and double-point double-throw switch K2-3 is connected with SP3T K switch 3-9, control double-point double-throw switch K2-3 and double-point double-throw switch K2-2 is connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station reference sensitivity function.

Described a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, is characterized in that: antenna for base station 1 is connected with SP3T K switch 3-9 by controlling double-point double-throw switch K2-1 and controls SP3T K switch 3-9; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument; Controlling double-pole single throw K2-6 makes vector signal generator 1 be connected with single-pole double-throw switch (SPDT) K2-7; Controlling single-pole double-throw switch (SPDT) K2-7 makes mixer 8 be connected with double-pole single throw K2-6; Controlling single-pole double-throw switch (SPDT) K2-8 makes vector signal generator 2 be connected with mixer 8, realizes the test to selectivity, adjacentchannel selectivity, narrow-band barrage and blocking performance function in base-station dynamic range, band.

Described a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and SP3T K switch 3-9 is connected with double-point double-throw switch K2-3; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 spectrum analyzer be connected, and realizes the test to base station receiver stray radiation function.

Described a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, is characterized in that: control double-pole single throw K2-9 and base station comprehensive test instrument is connected with channel simulator input; Controlling SP3T K switch 3-9 makes channel simulator output be connected with double-point double-throw switch K2-1; Controlling double-point double-throw switch K3-4 makes antenna for base station 4 be connected with mixer 3, controlling double-point double-throw switch K3-3 makes antenna for base station 3 be connected with mixer 2 through mixer 3, controlling double-point double-throw switch K3-2 makes antenna for base station 2 be connected with mixer 1 through mixer 2, controlling double-point double-throw switch K2-1 makes antenna for base station 1 be connected with SP3T K switch 3-9 through mixer 1, and configures different channel circumstances to realize the test to base station performance and reporting functions by control channel simulator.

The present invention is by the different switch connecting path of software control, according to the requirement of TD-LTE/LTE-Advanced base station radio-frequency uniformity test equipment, carry out Multi-Switch combination according to the demand of the different test case in base station to control to switch, to meet the fast dispatch of the numerous instrument of TD-LTE/LTE-Advanced base station radio-frequency consistency testing system, and the collaborative work of numerous instrument, ensure that radio frequency design index meets the requirement of 3GPP associated base stations RF consistency simultaneously.In addition, present invention also offers switching over path for system calibration to meet the calibration of system channel gain and frequency response, there is higher accuracy.

Accompanying drawing explanation

Fig. 1 is system principle diagram of the present invention.

Fig. 2 is for measuring the base station radio-frequency consistency function switch ways schematic diagrames such as output power in base station, power output dynamic range, signal transmission quality, frequency error and downlink reference signal power.

Fig. 3 is for measuring Base Transmitter intermodulation functional switch path schematic diagram.

Fig. 4 is for measuring base station transmitter functional switch time calibration path schematic diagram.

Fig. 5 is for measuring base station transmitter stray radiation functional switch path schematic diagram.

Fig. 6 is for measuring base station reference sensitivity function switch ways schematic diagram.

Fig. 7 is for measuring selectivity, adjacentchannel selectivity, narrow-band barrage and blocking performance functional switch path schematic diagram in base-station dynamic range, band.

Fig. 8 is for measuring base station receiver stray radiation functional switch path schematic diagram.

Fig. 9 is for measuring base station performance and reporting functions switch ways schematic diagram.

Embodiment

As shown in the figure, a kind of TD-LTE/LTE-Advanced base station radio-frequency consistency testing system switching device, comprises double-point double-throw switch K2-1-K2-5, K3-1-K3-6, single-pole double-throw switch (SPDT) K2-7, K2-8, K3-7, double-pole single throw K2-6, K2-9, SP3T K switch 3-9, wherein an input of double-point double-throw switch K2-1 is connected with antenna for base station 1, an input of double-point double-throw switch K3-1 is connected with antenna for base station 2, an input of double-point double-throw switch K3-2 is connected with antenna for base station 3, an input of double-point double-throw switch K3-3 is connected with antenna for base station 4, an input of double-point double-throw switch K3-4 is connected with antenna for base station 5, an input of double-point double-throw switch K3-5 is connected with antenna for base station 6, an input of double-point double-throw switch K3-6 is connected with antenna for base station 7, another input of double-point double-throw switch K2-1 is connected with an input of a mixer 1 with isolation, another input of double-point double-throw switch K3-1 is connected with an input of a mixer 2 with isolation, another input of double-point double-throw switch K3-2 is connected with an input of a mixer 3 with isolation, another input of double-point double-throw switch K3-3 is connected with an input of a mixer 4 with isolation, another input of double-point double-throw switch K3-4 is connected with an input of a mixer 5 with isolation, another input of double-point double-throw switch K3-5 is connected with an input of a mixer 6 with isolation, another input of double-point double-throw switch K3-6 is connected with an input of a mixer 7 with isolation, another input of mixer 7 is connected with antenna for base station 8, the output of mixer 7 is connected with an output of double-point double-throw switch K3-6, another output of double-point double-throw switch K3-6 is connected with another input of mixer 6, the output of mixer 6 is connected with an output of double-point double-throw switch K3-5, another output of double-point double-throw switch K3-5 is connected with another input of mixer 5, the output of mixer 5 is connected with an output of double-point double-throw switch K3-4, another output of double-point double-throw switch K3-4 is connected with another input of mixer 4, the output of mixer 4 is connected with an output of double-point double-throw switch K3-3, another output of double-point double-throw switch K3-3 is connected with another input of mixer 3, the output of mixer 3 is connected with an output of double-point double-throw switch K3-2, another output of double-point double-throw switch K3-2 is connected with another input of mixer 2, the output of mixer 2 is connected with an output of double-point double-throw switch K3-1, another output of double-point double-throw switch K3-1 is connected with another input of mixer 1, the output of mixer 1 is connected with an output of double-point double-throw switch K2-1, another output of double-point double-throw switch K2-1 is connected with the input of SP3T K switch 3-9,

An output of SP3T K switch 3-9 is connected with an input of double-point double-throw switch K2-2, another input of double-point double-throw switch K2-2 is connected with attenuating device input, an output of double-point double-throw switch K2-2 exports with attenuating device and is connected, another output of double-point double-throw switch K2-2 is connected with an input of double-point double-throw switch K2-3, another input of double-point double-throw switch K2-3 is connected with filter input, an output of double-point double-throw switch K2-3 exports with filter and is connected, another output of double-point double-throw switch K2-3 is connected with the input of single-pole double-throw switch (SPDT) K3-7, an output of single-pole double-throw switch (SPDT) K3-7 is connected with second output of SP3T K switch 3-9, another output of single-pole double-throw switch (SPDT) K3-7 is connected with an input of double-point double-throw switch K2-4, another input of double-point double-throw switch K2-4 is connected with spectrum analyzer input, two outputs of double-point double-throw switch K2-4 are connected with a circulator 1 respectively, an input of described double-point double-throw switch K2-5 is connected with circulator 1, another input of double-point double-throw switch K2-5, an output is connected with the two ends of an amplifier 1 respectively, another output of double-point double-throw switch K2-5 is connected with an output of double-pole single throw K2-6, another input of double-pole single throw K2-6 is connected with an output of single-pole double-throw switch (SPDT) K2-7, the output of double-pole single throw K2-6 is connected with vector signal generator 1, another output of single-pole double-throw switch (SPDT) K2-7 is connected with load 1, the input of single-pole double-throw switch (SPDT) K2-7 and a single channel input, one of them output of mixer 8 with isolation of doubleway output connects, the input of mixer 8 is connected with a circulator 2, second output of SP3T K switch 3-9 is also connected with circulator 2, single-pole double-throw switch (SPDT) K2-8 input is connected with another output of mixer 8, an output of single-pole double-throw switch (SPDT) K2-8 connects load 2, another output connected vector signal generator 2 of single-pole double-throw switch (SPDT) K2-8, an input of double-pole single throw K2-9 connects circulator 2, another input connecting channel simulator input of double-pole single throw K2-9, the output of double-pole single throw K2-9 connects base station comprehensive test instrument, 3rd the output connecting channel simulator of SP3T K switch 3-9 exports.

As shown in Figure 2, by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-2; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 be connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the measurement to base station radio-frequency consistency functions such as output power in base station, power output dynamic range, signal transmission quality, frequency error and downlink reference signal power.

As shown in Figure 3, by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-3; Control double-point double-throw switch K2-3 and make filter input and double-point double-throw switch K2-2, filter output is connected with single-pole double-throw switch (SPDT) K3-7; Controlling double-point double-throw switch K2-4 makes single-pole double-throw switch (SPDT) K3-7 be connected with circulator 1; Controlling double-point double-throw switch K2-5 makes circulator 1 be connected with double-pole single throw K2-6 by amplifier 1; Controlling double-pole single throw K switch 2-6 makes double-point double-throw switch K2-5 be connected with vector signal generator 1, controls single-pole double-throw switch (SPDT) K3-7 and double-point double-throw switch K2-3 is connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to Base Transmitter intermodulation function.

As shown in Figure 4, by control double-point double-throw switch K3-1, double-point double-throw switch K3-2, double-point double-throw switch K3-3, double-point double-throw switch K3-4, double-point double-throw switch K3-5, double-point double-throw switch K3-6, antenna for base station 2,3,4,5,6,7,8 is connected with mixer 1,2,3,4,5,6,7; Controlling double-point double-throw switch k2-1 makes antenna for base station 1 be connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control switch double-point double-throw switch K2-2 makes Fader device input be connected with SP3T K switch 3-9 simultaneously, and Fader device exports and is connected with double-point double-throw switch K2-3; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 be connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K switch 3-7 makes double-point double-throw switch K switch 2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station transmitter function time calibration.

As shown in Figure 5, by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-3; Control double-point double-throw switch K2-3 and make filter input and double-point double-throw switch K2-2, filter output is connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station transmitter stray radiation function.

As shown in Figure 6, by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and double-point double-throw switch K2-3 is connected with SP3T K switch 3-9, control double-point double-throw switch K2-3 and double-point double-throw switch K2-2 is connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station reference sensitivity function.

As shown in Figure 7, antenna for base station 1 is connected with SP3T K switch 3-9 by controlling double-point double-throw switch K2-1 and controls SP3T K switch 3-9; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument; Controlling double-pole single throw K2-6 makes vector signal generator 1 be connected with single-pole double-throw switch (SPDT) K2-7; Controlling single-pole double-throw switch (SPDT) K2-7 makes mixer 8 be connected with double-pole single throw K2-6; Controlling single-pole double-throw switch (SPDT) K2-8 makes vector signal generator 2 be connected with mixer 8, realizes the test to selectivity, adjacentchannel selectivity, narrow-band barrage and blocking performance function in base-station dynamic range, band.

As shown in Figure 8, by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and SP3T K switch 3-9 is connected with double-point double-throw switch K2-3; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 spectrum analyzer be connected, and realizes the test to base station receiver stray radiation function.

As shown in Figure 9, controlling double-pole single throw K2-9 makes base station comprehensive test instrument be connected with channel simulator input; Controlling SP3T K switch 3-9 makes channel simulator output be connected with double-point double-throw switch K2-1; Controlling double-point double-throw switch K3-4 makes antenna for base station 4 be connected with mixer 3, controlling double-point double-throw switch K3-3 makes antenna for base station 3 be connected with mixer 2 through mixer 3, controlling double-point double-throw switch K3-2 makes antenna for base station 2 be connected with mixer 1 through mixer 2, controlling double-point double-throw switch K2-1 makes antenna for base station 1 be connected with SP3T K switch 3-9 through mixer 1, and configures different channel circumstances to realize the test to base station performance and reporting functions by control channel simulator.

Claims (9)

1. a TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device, it is characterized in that: comprise double-point double-throw switch K2-1-K2-5, K3-1-K3-6, single-pole double-throw switch (SPDT) K2-7, K2-8, K3-7, double-pole single throw K2-6, K2-9, SP3T K switch 3-9, wherein an input of double-point double-throw switch K2-1 is connected with antenna for base station 1, an input of double-point double-throw switch K3-1 is connected with antenna for base station 2, an input of double-point double-throw switch K3-2 is connected with antenna for base station 3, an input of double-point double-throw switch K3-3 is connected with antenna for base station 4, an input of double-point double-throw switch K3-4 is connected with antenna for base station 5, an input of double-point double-throw switch K3-5 is connected with antenna for base station 6, an input of double-point double-throw switch K3-6 is connected with antenna for base station 7, another input of double-point double-throw switch K2-1 is connected with an input of a mixer 1 with isolation, another input of double-point double-throw switch K3-1 is connected with an input of a mixer 2 with isolation, another input of double-point double-throw switch K3-2 is connected with an input of a mixer 3 with isolation, another input of double-point double-throw switch K3-3 is connected with an input of a mixer 4 with isolation, another input of double-point double-throw switch K3-4 is connected with an input of a mixer 5 with isolation, another input of double-point double-throw switch K3-5 is connected with an input of a mixer 6 with isolation, another input of double-point double-throw switch K3-6 is connected with an input of a mixer 7 with isolation, another input of mixer 7 is connected with antenna for base station 8, the output of mixer 7 is connected with an output of double-point double-throw switch K3-6, another output of double-point double-throw switch K3-6 is connected with another input of mixer 6, the output of mixer 6 is connected with an output of double-point double-throw switch K3-5, another output of double-point double-throw switch K3-5 is connected with another input of mixer 5, the output of mixer 5 is connected with an output of double-point double-throw switch K3-4, another output of double-point double-throw switch K3-4 is connected with another input of mixer 4, the output of mixer 4 is connected with an output of double-point double-throw switch K3-3, another output of double-point double-throw switch K3-3 is connected with another input of mixer 3, the output of mixer 3 is connected with an output of double-point double-throw switch K3-2, another output of double-point double-throw switch K3-2 is connected with another input of mixer 2, the output of mixer 2 is connected with an output of double-point double-throw switch K3-1, another output of double-point double-throw switch K3-1 is connected with another input of mixer 1, the output of mixer 1 is connected with an output of double-point double-throw switch K2-1, another output of double-point double-throw switch K2-1 is connected with the input of SP3T K switch 3-9,
An output of SP3T K switch 3-9 is connected with an input of double-point double-throw switch K2-2, another input of double-point double-throw switch K2-2 is connected with attenuating device input, an output of double-point double-throw switch K2-2 exports with attenuating device and is connected, another output of double-point double-throw switch K2-2 is connected with an input of double-point double-throw switch K2-3, another input of double-point double-throw switch K2-3 is connected with filter input, an output of double-point double-throw switch K2-3 exports with filter and is connected, another output of double-point double-throw switch K2-3 is connected with the input of single-pole double-throw switch (SPDT) K3-7, an output of single-pole double-throw switch (SPDT) K3-7 is connected with second output of SP3T K switch 3-9, another output of single-pole double-throw switch (SPDT) K3-7 is connected with an input of double-point double-throw switch K2-4, another input of double-point double-throw switch K2-4 is connected with spectrum analyzer input, two outputs of double-point double-throw switch K2-4 are connected with a circulator 1 respectively, an input of described double-point double-throw switch K2-5 is connected with circulator 1, another input of double-point double-throw switch K2-5, an output is connected with the two ends of an amplifier 1 respectively, another output of double-point double-throw switch K2-5 is connected with an output of double-pole single throw K2-6, another input of double-pole single throw K2-6 is connected with an output of single-pole double-throw switch (SPDT) K2-7, the output of double-pole single throw K2-6 is connected with vector signal generator 1, another output of single-pole double-throw switch (SPDT) K2-7 is connected with load 1, the input of single-pole double-throw switch (SPDT) K2-7 and a single channel input, one of them output of mixer 8 with isolation of doubleway output connects, the input of mixer 8 is connected with a circulator 2, second output of described SP3T K switch 3-9 is also connected with circulator 2, described single-pole double-throw switch (SPDT) K2-8 input is connected with another output of mixer 8, an output of single-pole double-throw switch (SPDT) K2-8 connects load 2, another output connected vector signal generator 2 of single-pole double-throw switch (SPDT) K2-8, an input of described double-pole single throw K2-9 connects circulator 2, another input connecting channel simulator input of double-pole single throw K2-9, the output of double-pole single throw K2-9 connects base station comprehensive test instrument, 3rd the output connecting channel simulator of described SP3T K switch 3-9 exports.
2. a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device according to claim 1, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-2; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 be connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the measurement to base station radio-frequency consistency functions such as output power in base station, power output dynamic range, signal transmission quality, frequency error and downlink reference signal power.
3. a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device according to claim 1, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-3; Control double-point double-throw switch K2-3 and make filter input and double-point double-throw switch K2-2, filter output is connected with single-pole double-throw switch (SPDT) K3-7; Controlling double-point double-throw switch K2-4 makes single-pole double-throw switch (SPDT) K3-7 be connected with circulator 1; Controlling double-point double-throw switch K2-5 makes circulator 1 be connected with double-pole single throw K2-6 by amplifier 1; Controlling double-pole single throw K switch 2-6 makes double-point double-throw switch K2-5 be connected with vector signal generator 1, controls single-pole double-throw switch (SPDT) K3-7 and double-point double-throw switch K2-3 is connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to Base Transmitter intermodulation function.
4. a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device according to claim 1, is characterized in that: by control double-point double-throw switch K3-1, double-point double-throw switch K3-2, double-point double-throw switch K3-3, double-point double-throw switch K3-4, double-point double-throw switch K3-5, double-point double-throw switch K3-6, antenna for base station 2,3,4,5,6,7,8 is connected with mixer 1,2,3,4,5,6,7; Controlling double-point double-throw switch k2-1 makes antenna for base station 1 be connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control switch double-point double-throw switch K2-2 makes Fader device input be connected with SP3T K switch 3-9 simultaneously, and Fader device exports and is connected with double-point double-throw switch K2-3; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 be connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K switch 3-7 makes double-point double-throw switch K switch 2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station transmitter function time calibration.
5. a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device according to claim 1, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and Fader device input is connected with SP3T K switch 3-9, Fader device exports and is connected with double-point double-throw switch K2-3; Control double-point double-throw switch K2-3 and make filter input and double-point double-throw switch K2-2, filter output is connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station transmitter stray radiation function.
6. a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device according to claim 1, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and double-point double-throw switch K2-3 is connected with SP3T K switch 3-9, control double-point double-throw switch K2-3 and double-point double-throw switch K2-2 is connected with single-pole double-throw switch (SPDT) K3-7; Controlling single-pole double-throw switch (SPDT) K3-7 makes double-point double-throw switch K2-3 be connected with circulator 2; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument, realizes the test to base station reference sensitivity function.
7. a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device according to claim 1, is characterized in that: antenna for base station 1 is connected with SP3T K switch 3-9 by controlling double-point double-throw switch K2-1 and controls SP3T K switch 3-9; Controlling double-pole single throw K2-9 makes circulator 2 be connected with base station comprehensive test instrument; Controlling double-pole single throw K2-6 makes vector signal generator 1 be connected with single-pole double-throw switch (SPDT) K2-7; Controlling single-pole double-throw switch (SPDT) K2-7 makes mixer 8 be connected with double-pole single throw K2-6; Controlling single-pole double-throw switch (SPDT) K2-8 makes vector signal generator 2 be connected with mixer 8, realizes the test to selectivity, adjacentchannel selectivity, narrow-band barrage and blocking performance function in base-station dynamic range, band.
8. a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device according to claim 1, is characterized in that: by controlling double-point double-throw switch K2-1, antenna for base station 1 is connected with SP3T K switch 3-9; Control SP3T K switch 3-9, control double-point double-throw switch K2-2 simultaneously and SP3T K switch 3-9 is connected with double-point double-throw switch K2-3; Controlling double-point double-throw switch K2-3 makes double-point double-throw switch K2-2 spectrum analyzer be connected, and realizes the test to base station receiver stray radiation function.
9. a kind of TD-LTE/TD-LTE-Advanced base station radio-frequency consistency testing system switching device according to claim 1, is characterized in that: control double-pole single throw K2-9 and base station comprehensive test instrument is connected with channel simulator input; Controlling SP3T K switch 3-9 makes channel simulator output be connected with double-point double-throw switch K2-1; Controlling double-point double-throw switch K3-4 makes antenna for base station 4 be connected with mixer 3, controlling double-point double-throw switch K3-3 makes antenna for base station 3 be connected with mixer 2 through mixer 3, controlling double-point double-throw switch K3-2 makes antenna for base station 2 be connected with mixer 1 through mixer 2, controlling double-point double-throw switch K2-1 makes antenna for base station 1 be connected with SP3T K switch 3-9 through mixer 1, and configures different channel circumstances to realize the test to base station performance and reporting functions by control channel simulator.
CN201510416601.5A 2015-07-14 2015-07-14 Switching device for TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing system CN104980960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510416601.5A CN104980960A (en) 2015-07-14 2015-07-14 Switching device for TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510416601.5A CN104980960A (en) 2015-07-14 2015-07-14 Switching device for TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing system

Publications (1)

Publication Number Publication Date
CN104980960A true CN104980960A (en) 2015-10-14

Family

ID=54276928

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510416601.5A CN104980960A (en) 2015-07-14 2015-07-14 Switching device for TD-LTE/TD-LTE-Advanced base station radio frequency conformance testing system

Country Status (1)

Country Link
CN (1) CN104980960A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101106787A (en) * 2006-07-12 2008-01-16 大唐移动通信设备有限公司 Base station RF index testing system and method, and RF box for TD-SCDMA system
CN101777955A (en) * 2009-01-14 2010-07-14 鼎桥通信技术有限公司 Radio frequency time template parameter test system and method for adjusting test range
CN103532646A (en) * 2013-10-12 2014-01-22 工业和信息化部电信传输研究所 Base-station radio-frequency testing system applicable to LTE (Long Term Evolution) system and testing method
US20140357298A1 (en) * 2012-01-27 2014-12-04 Nokia Corporation Testing of location information signaling related to minimization of drive tests and conformance tests
CN104618034A (en) * 2014-09-05 2015-05-13 深圳电信研究院 Automatic test system, device and method for mobile terminal radio frequency consistency

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101106787A (en) * 2006-07-12 2008-01-16 大唐移动通信设备有限公司 Base station RF index testing system and method, and RF box for TD-SCDMA system
CN101777955A (en) * 2009-01-14 2010-07-14 鼎桥通信技术有限公司 Radio frequency time template parameter test system and method for adjusting test range
US20140357298A1 (en) * 2012-01-27 2014-12-04 Nokia Corporation Testing of location information signaling related to minimization of drive tests and conformance tests
CN103532646A (en) * 2013-10-12 2014-01-22 工业和信息化部电信传输研究所 Base-station radio-frequency testing system applicable to LTE (Long Term Evolution) system and testing method
CN104618034A (en) * 2014-09-05 2015-05-13 深圳电信研究院 Automatic test system, device and method for mobile terminal radio frequency consistency

Similar Documents

Publication Publication Date Title
CN103414526B (en) The test system of a kind of wireless radio frequency index and method of testing
US9692530B2 (en) Active antenna system and methods of testing
JP6290247B2 (en) Receiver calibration with LO signal from non-activated receiver
CN103891179B (en) For the configuration subsystem of telecommunication system
ES2681426T3 (en) Radio frequency multipath channel emulation system and method
KR101706882B1 (en) Method and device for testing performance of wireless terminal
US9070968B2 (en) Methods for characterizing tunable radio-frequency elements in wireless electronic devices
DK2596582T3 (en) Procedure and apparatus to locate errors in communication networks
CN103414529B (en) Universal automatic testing and fault diagnosis system
CN102148648B (en) Space radio-frequency performance test method and system in multi-antenna system
US9116232B2 (en) Methods and apparatus for testing satellite navigation system receiver performance
US20140162628A1 (en) Methods for Validating Radio-Frequency Test Systems Using Statistical Weights
US9942864B2 (en) Locating the source of a wireless signal
GB2508383A (en) Processing interference due to non-linear products in a wireless network
US20140024402A1 (en) Systems and methods for a self-optimizing distributed antenna system
US20150349859A1 (en) Near-Field MIMO Wireless Test Systems, Structures, and Processes
JP2015522973A (en) Radio frequency (RF) multiple input multiple output (MIMO) device under test (DUT) system and method
US8995926B2 (en) Methods and apparatus for performing coexistence testing for multi-antenna electronic devices
US7817566B2 (en) Wired MIMO link tester
US7206549B2 (en) System and method for testing wireless devices
US9178629B2 (en) Non-synchronized radio-frequency testing
CN105827269B (en) A kind of radiofrequency signal R-T unit and electronic equipment
WO2010093999A2 (en) Method and appratus for virtual desktop ota
US7395060B2 (en) Signal testing system
CN102571239B (en) A kind of test system of RF index

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
CB03 Change of inventor or designer information

Inventor after: Xu Bo

Inventor after: Ling Yunzhi

Inventor after: Huang Wu

Inventor before: Wang Zhi

Inventor before: Xu Bo

Inventor before: Ling Yunzhi

Inventor before: Huang Wu

COR Change of bibliographic data