CN211656395U - 5G multichannel wireless base station radio frequency unit parallel test system - Google Patents
5G multichannel wireless base station radio frequency unit parallel test system Download PDFInfo
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- CN211656395U CN211656395U CN202020758098.8U CN202020758098U CN211656395U CN 211656395 U CN211656395 U CN 211656395U CN 202020758098 U CN202020758098 U CN 202020758098U CN 211656395 U CN211656395 U CN 211656395U
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Abstract
The utility model discloses a parallel test system of 5G multichannel wireless base station radio frequency unit, including the test computer, the base station radio frequency unit, N attenuator, the network switch, the parallel tester of base station digital module simulator and multichannel, a N output channel of base station radio frequency unit is connected with a N attenuator one-to-one respectively, a N attenuator is connected with a parallel tester N test port of multichannel, the parallel tester of multichannel, the test computer all passes through the network switch with the base station radio frequency unit and is connected, base station digital module simulator is connected between the light mouth and the clock control module of base station radio frequency unit, the reference clock interface connection of clock control module and the parallel tester of multichannel, base station digital module simulator still with the parallel tester's of multichannel trigger interface connection. Compared with the traditional single-channel test, the utility model can provide N times of test efficiency; the method has expandability and customizability, can be arbitrarily expanded to the test of the radio frequency index of the N-channel base station, and simultaneously can be completely compatible with the radio frequency test architecture of the 2G, 3G and 4G time division duplex base station.
Description
Technical Field
The utility model relates to a wireless communication technology field, more specifically say, in particular to 5G multichannel wireless base station radio frequency unit parallel test system.
Background
The wireless communication base station test system performs consistency test on main radio frequency indexes of a base station complete machine on a production line, thereby meeting specification requirements and screening and detecting defective products in production.
As shown in fig. 1, in the current test of the whole base station on the production line, a signal source and a spectrometer are provided, and each channel index of the multi-channel base station radio frequency unit can only be sequentially tested (channel switching is realized by the radio frequency switch matrix), although the switch matrix realizes automatic switching and can improve certain efficiency, only one channel can be tested in real time, the test time required by N test channels is N times, the test efficiency is low, and especially, the test efficiency is extremely low for the multi-channel radio frequency index of the 5G super-large-scale antenna array base station.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 5G multichannel wireless base station radio frequency unit parallel test system can satisfy the high efficiency test requirement of 5G multichannel wireless base station radio frequency index to the production test of compatible 2G, 3G, 4G base station.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A5G multichannel wireless base station radio frequency unit parallel test system comprises a test computer, a base station radio frequency unit, N attenuators, a network switch, a base station digital module simulator and a multichannel parallel tester, wherein the multichannel parallel tester comprises a time division duplex synchronous switch, a multichannel vector signal source and a multichannel vector analyzer, N output channels of the base station radio frequency unit are respectively connected with the N attenuators in a one-to-one correspondence mode, the N attenuators are connected with N test ports of the multichannel parallel tester, the N test ports of the channel parallel tester are connected with the time division duplex synchronous switch, the multichannel vector signal source and the multichannel vector analyzer are both connected with the time division duplex synchronous switch, the multichannel parallel tester and the test computer are both connected with the base station radio frequency unit through the network switch, and the base station digital module simulator is connected between an optical port of the base station radio frequency unit and a clock control module, the clock control module is connected with a reference clock interface of the multichannel parallel tester, and the base station digital module simulator is also connected with a trigger interface of the multichannel parallel tester.
Further, the base station radio frequency unit is a 2G, 3G, 4G or 5G base station radio frequency unit.
Compared with the prior art, the utility model has the advantages of: the utility model greatly improves the testing efficiency, and can provide N times of testing efficiency compared with the traditional single-channel testing; the method has expandability and customizability, can be arbitrarily expanded to the test of the radio frequency index of the N-channel base station, and simultaneously can be completely compatible with the radio frequency test architecture of the 2G, 3G and 4G time division duplex base station.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a radio frequency testing system of a production line base station in the prior art.
Fig. 2 is a schematic diagram of the utility model discloses 5G multichannel wireless base station radio frequency unit parallel test system.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 2, the utility model provides a 5G multichannel wireless base station radio frequency unit parallel test system, including test computer, base station radio frequency unit, a N attenuator, Network Switch (Network Switch), base station digital module simulator (TAD-CPRI) and the parallel tester of multichannel, the parallel tester of multichannel include time division duplex synchro-Switch, multichannel vector signal source and multichannel vector analysis appearance, a N output channel of base station radio frequency unit is connected with a N attenuator one-to-one respectively, a N attenuator is connected with a N test port of the parallel tester of multichannel to be convenient for a N passageway of base station radio frequency unit can a one-to-one and a N test port interconnection of the parallel tester of multichannel, realize the parallel test of a N passageway of base station radio frequency unit simultaneously.
N test ports of the channel parallel tester are connected with a time division duplex synchronous switch, a multichannel vector signal source and a multichannel vector analyzer are both connected with the time division duplex synchronous switch, the multichannel vector signal source can synchronously generate N signal sources, and the multichannel vector analyzer can synchronously demodulate N tested signals. The multichannel vector signal source and the multichannel vector analyzer can realize the synchronization of the signal source output and the demodulation of the analyzer and the base station radio frequency unit according to the synchronous signal of the time division duplex synchronous switch.
The multi-channel parallel tester and the test computer are both connected with the base station radio frequency unit through a network switch (network switch), the base station digital module simulator (TAD-CPRI) is connected between an optical port of the base station radio frequency unit and a CLOCK control module (CLOCK Board), the CLOCK control module (CLOCK Board) is connected with a reference CLOCK interface of the multi-channel parallel tester, and the base station digital module simulator (TAD-CPRI) is also connected with a trigger interface of the multi-channel parallel tester.
In this embodiment, the base station rf unit is a 2G, 3G, 4G or 5G base station rf unit.
In this embodiment, the base station digital module simulator (TAD-CPRI) is configured to simulate a wireless base station digital module, and the CLOCK control module (CLOCK Board) is configured to provide reference CLOCK conversion, so as to provide a synchronous start and CLOCK signal for the multi-channel parallel tester.
The working principle of the utility model is that, basic station radio frequency unit transmission link radio frequency output signal passes through N attenuators (decay signal, makes the signal be suitable for the parallel tester's of multichannel test port level), then inputs the parallel tester's of multichannel test port, passes through the parallel tester's of multichannel inside time division duplex synchro-switch switching back again, inserts multichannel vector analysis appearance with the signal to realize the high efficiency test of the parallel demodulation analysis N passageway basic station downlink radio frequency index simultaneously.
The utility model greatly improves the testing efficiency, and can provide N times of testing efficiency compared with the traditional single-channel testing; the method has expandability and customizability, can be arbitrarily expanded to the test of the radio frequency index of the N-channel base station, and simultaneously can be completely compatible with the radio frequency test architecture of the 2G, 3G and 4G time division duplex base station.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.
Claims (2)
1. The utility model provides a 5G multichannel wireless base station radio frequency unit parallel test system, includes test computer, base station radio frequency unit, N attenuators, network switch and base station digital module simulator which characterized in that: the multi-channel parallel tester comprises a time division duplex synchronous switch, a multi-channel vector signal source and a multi-channel vector analyzer, wherein N output channels of a base station radio frequency unit are respectively connected with N attenuators in a one-to-one correspondence manner, the N attenuators are connected with N test ports of the multi-channel parallel tester, the N test ports of the channel parallel tester are connected with the time division duplex synchronous switch, the multi-channel vector signal source and the multi-channel vector analyzer are both connected with the time division duplex synchronous switch, the multi-channel parallel tester and a test computer are both connected with the base station radio frequency unit through a network switch, a base station digital module simulator is connected between an optical port of the base station radio frequency unit and a clock control module, and the clock control module is connected with a reference clock interface of the multi-channel parallel tester, and the base station digital module simulator is also connected with a trigger interface of the multi-channel parallel tester.
2. The 5G multi-channel wireless base station radio frequency unit parallel test system according to claim 1, wherein: the base station radio frequency unit is a 2G, 3G, 4G or 5G base station radio frequency unit.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557752A (en) * | 2020-12-06 | 2021-03-26 | 苏州大学 | Electromagnetic signal monitoring system and computer storage medium |
| CN113890606A (en) * | 2021-10-14 | 2022-01-04 | 京信网络系统股份有限公司 | Open wireless access network communication equipment test system and method |
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2020
- 2020-05-10 CN CN202020758098.8U patent/CN211656395U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557752A (en) * | 2020-12-06 | 2021-03-26 | 苏州大学 | Electromagnetic signal monitoring system and computer storage medium |
| CN113890606A (en) * | 2021-10-14 | 2022-01-04 | 京信网络系统股份有限公司 | Open wireless access network communication equipment test system and method |
| CN113890606B (en) * | 2021-10-14 | 2023-02-03 | 京信网络系统股份有限公司 | Open wireless access network communication equipment test system and method |
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