Test system

A technology for testing systems and terminals to be tested, applied in transmission systems, transmission monitoring, electrical components, etc., can solve problems such as large amount of calculation and low test efficiency

Pending Publication Date: 2022-03-22
北京电信技术发展产业协会
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  • Claims
  • Application Information

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Problems solved by technology

[0003] Usually, an anechoic chamber (Multi-probe anechoic chamber, MPAC) system can be used as an OTA test system for Massive MIMO, but the existing test method requires too much calculation when performing channel reconstruction in this system, and the test efficiency is low. Low

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Embodiment Construction

[0045] The present invention is described below based on examples, but the present invention is not limited to these examples. In the following detailed description of the invention, some specific details are set forth in detail. The present invention can be fully understood by those skilled in the art without the description of these detailed parts. In order not to obscure the essence of the present invention, well-known methods, procedures, procedures, components and circuits have not been described in detail.

[0046] Additionally, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

[0047] Unless the context clearly requires, the words "including", "including" and similar words in the description should be interpreted as inclusive rather than exclusive or exhaustive; that is, "including but not limited to".

[0048] In the description of the present invention, it shoul...

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Abstract

The embodiment of the invention discloses a test system. The test system comprises a terminal to be tested, a spherical probe wall and a control device, wherein the terminal to be tested is provided with an antenna device; the spherical probe wall is arranged around the terminal to be tested; wherein the control device is configured to acquire an incident angle of a center cluster formed by each antenna device at a preset moment, determine a relative position of each center cluster in the spherical probe wall according to the incident angle, and respectively select a preset number of probes according to each relative position to form a probe set corresponding to each antenna device, and determining a target probe combination in each probe set according to a preset algorithm, constructing an analog channel according to each target probe combination, and performing related tests. Wherein the preset algorithm is used for determining a better probe combination used for reconstructing an analog channel in the probe set. By means of the system, large-scale multiple-input-multiple-output air interface testing can be carried out, meanwhile, the calculation amount of the channel reconstruction process is reduced, and the testing efficiency is improved.

Description

technical field [0001] The invention relates to the field of testing, in particular to a testing system. Background technique [0002] Due to the huge demand for high data rate and low data delay in current mobile services, millimeter wave communication has become an important technology in 5G cellular mobile communication systems, Massive Multiple-input Multiple-output (Massive Multiple-input Multiple-output, Massive MIMO) technology And beamforming technology becomes a key enhancement of the physical layer. Therefore, how to perform an Over-the-Air (OTA) test on Massive MIMO has attracted much attention. [0003] Usually, an anechoic chamber (Multi-probe anechoic chamber, MPAC) system can be used as an OTA test system for Massive MIMO, but the existing test method requires too much calculation when performing channel reconstruction in this system, and the test efficiency is low. Low. Contents of the invention [0004] In view of this, an embodiment of the present inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/08H04B17/00
CPCH04W24/08H04B17/0087
Inventor 王雨斐李卫王晰王倩王雪颖李永振
Owner 北京电信技术发展产业协会
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