CN204929265U - TD -LTETD -LTE -Advanced basic station radio frequency conformance testing system switching auto -change over device - Google Patents
TD -LTETD -LTE -Advanced basic station radio frequency conformance testing system switching auto -change over device Download PDFInfo
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- CN204929265U CN204929265U CN201520513794.1U CN201520513794U CN204929265U CN 204929265 U CN204929265 U CN 204929265U CN 201520513794 U CN201520513794 U CN 201520513794U CN 204929265 U CN204929265 U CN 204929265U
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Abstract
The utility model discloses a TD -LTETD -LTE -Advanced basic station radio frequency conformance testing system switching auto -change over device, throw switch K3 -9 including a plurality of double -pole double -throw, a plurality of single -pole double -throw, a plurality of double knives single -throw switch, hilted broadsword no. 3. The utility model discloses a route is connected to the different switches of software control, requirement according to TD -LTELTE -Advanced basic station radio frequency conformance testing equipment, it switches to carry out many switches combination control according to the demand of the different test examples in basic station, with the fast speed adjusting degree that satisfies the numerous instrument of TD -LTELTE -Advanced basic station radio frequency conformance testing system, and the collaborative work of numerous instrument, guaranteed simultaneously that radio frequency design criteria satisfies the relevant basic station radio frequency uniformity requirement of 3GPP.
Description
Technical field
The utility model 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.3GPPTS36.141 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.
Utility model content
The purpose of this utility model 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 scheme that the utility model adopts 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 K2-6 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) 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 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 utility model 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, the utility model additionally provides switching over path for system calibration to meet the calibration of system channel gain and frequency response, has higher accuracy.
Accompanying drawing explanation
Fig. 1 is system principle diagram of the present utility model.
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 K2-6 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) 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 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 output power in base station, power output dynamic range, signal transmission quality, frequency error and downlink reference signal power base station RF consistency function.
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 K2-6 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) 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 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.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195172A (en) * | 2018-07-27 | 2019-01-11 | 闻泰通讯股份有限公司 | Radio frequency test method, device, test equipment and storage medium |
| CN113037397A (en) * | 2021-03-02 | 2021-06-25 | 苏州天希电子科技有限公司 | 5G antenna interface board port isolation measurement system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195172A (en) * | 2018-07-27 | 2019-01-11 | 闻泰通讯股份有限公司 | Radio frequency test method, device, test equipment and storage medium |
| CN113037397A (en) * | 2021-03-02 | 2021-06-25 | 苏州天希电子科技有限公司 | 5G antenna interface board port isolation measurement system |
| CN113037397B (en) * | 2021-03-02 | 2022-05-13 | 苏州天希电子科技有限公司 | 5G antenna interface board port isolation measurement system |
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