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Multiple-input-multiple-output antenna throughput measurement system

A multi-output, multi-input technology, applied in the transmission system, radio transmission system, transmission monitoring, etc., can solve the problem of increased complexity in the development of antenna components, and achieve the effect of fast performance

Active Publication Date: 2018-12-11
BWANT
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Problems solved by technology

Furthermore, more antenna components are used in current and future important multiple-input multiple-output (MIMO) systems, and the R&D complexity of antenna component performance and system integration is also increasing

Method used

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  • Multiple-input-multiple-output antenna throughput measurement system
  • Multiple-input-multiple-output antenna throughput measurement system
  • Multiple-input-multiple-output antenna throughput measurement system

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Embodiment Construction

[0019] The multiple-input multiple-output antenna throughput measurement system of the embodiment of the present invention includes an anechoic chamber, at least two transmitting antennas, at least two antennas to be tested, a vector signal generator (VSG), a channel emulator, and a vector signal analyzer ( VSA) and software-defined radio (SDR) modules. The number of the at least two transmitting antennas is, for example, M, and the number of the at least two antennas to be tested is, for example, N to form an MxN MIMO system, where both M and N are positive integers not less than 2. in the following figure 1 In the embodiment, there are two transmitting antennas and two antennas under test (M=2 and N=2) to form a 2×2 MIMO system. exist figure 2 In the embodiment, there are four transmitting antennas and four antennas to be tested (M=4 and N=4) to form a 4×4 MIMO system.

[0020] Please refer to figure 1 , figure 1 is a schematic diagram of a multiple-input multiple-outp...

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Abstract

The invention provides a multiple-input-multiple-output antenna throughput measurement system, which comprises an anechoic chamber, at least two transmitting antennas, at least two antennas to be measured, a vector signal generator, a channel simulator, a vector signal analyzer and a software-defined radio module. The transmitting antennas in the anechoic chamber are located in different positions, and the antennas to be measured are arranged in a terminal device module to form a multiple-input-multiple-output system; the vector signal generator provides vector signals to the antennas throughthe channel simulator; the channel simulator changes the transmitted vector signals according to a channel model; the vector signal analyzer analyzes the signals of the antennas to be measured; and the software-defined radio module is connected with the vector signal generator and the vector signal analyzer, and controls the vector signal generator to generate the vector signals and obtains throughput of the multiple-input-multiple-output system according to the analysis result of the vector signal analyzer. Therefore, the performance of the antennas in the system can be evaluated more concretely and quickly.

Description

technical field [0001] The invention relates to an antenna measurement system, in particular to a multi-input multi-output antenna throughput measurement system. Background technique [0002] The measurement technology of antenna radiation characteristics requires a good measurement environment, such as an anechoic chamber and precise measurement instruments. Traditionally, no matter the antenna radiation pattern, antenna gain, antenna efficiency, and directivity, etc., the measurement data of antenna radiation characteristics are often limited to describing the antenna itself. And generally speaking, the radiation characteristics of the antenna are often measured in the anechoic chamber with the network analyzer (network analyzer), and it is a comparative value of the data measured by the network analyzer (compared with the reference standard antenna ). Based on the difference in the measurement environment, the relative value and reliability of the measurement data of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/00H04B17/309H04B7/0413
CPCH04B7/0413H04B17/0085H04B17/0087H04B17/309
Inventor 简郅融陈文祥张耀元邱宗文
Owner BWANT
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