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Multi-input multi-output signal detection result classification method and device

A technology of signal detection and classification method, which is applied in the transmission system, space transmission diversity, radio transmission system, etc., can solve the problems of inaccurate detection results and affecting detection performance, and achieve the effect of ensuring detection performance

Active Publication Date: 2020-06-30
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, when the MIMO detection algorithm with low algorithm complexity is used, the detection results may not be accurate enough, which will affect the detection performance

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  • Multi-input multi-output signal detection result classification method and device
  • Multi-input multi-output signal detection result classification method and device
  • Multi-input multi-output signal detection result classification method and device

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Embodiment Construction

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] Embodiments of the present invention provide a method and device for classifying MIMO signal detection results, which are used to determine the estimated value of the transmitted signal when the MIMO detection algorithm is used to detect the estimated value of the transmitted signal after transmission through the MIMO channel at the signal r...

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Abstract

The embodiments of the invention provide a multiple-input multiple-output (MIMO) signal detection result classification method and device. The method comprises the steps of: acquiring a received signal obtained after a sent signal is transmitted via an MIMO channel, and determining the estimated value of the sent signal according to the received signal; and determining that the estimated value of the sent signal is a good solution or a poor solution according to the received signal, average noise power of the sent signal in the transmission process of the MIMO channel and the estimated value of the sent signal. By adopting the MIMO signal detection result classification method and device, after the estimated value of the sent signal is determined, the estimated value of the sent signal is judged by classifying, and different processing strategies can be adopted according to the classification result, so that the detection performance is ensured while the detection algorithm having as low computing complexity as possible is adopted for MIMO detection.

Description

technical field [0001] The invention relates to a multiple-input multiple-output signal detection technology, in particular to a method and device for classifying detection results of multiple-input multiple-output signals. Background technique [0002] Detecting signals transmitted through multiple-input multiple-output (MIMO) channels (referred to as MIMO detection) is an essential function of the receiving link of a multi-antenna system. The estimated value of the transmitted signal transmitted by the MIMO channel. [0003] Research on MIMO detection in the prior art usually focuses on improving detection performance and reducing algorithm complexity. Improving performance means making the MIMO detection algorithm retain as much as possible or fully explore the various gains that the MIMO system itself can provide. At the same time, in practical applications, due to the limitation of hardware processing capabilities (for example, the processing speed of digital signal p...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/08H04B7/0413
CPCH04B7/0413H04B7/0848H04B7/0854
Inventor 钱荣荣漆渊
Owner BEIJING UNIV OF POSTS & TELECOMM
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