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Method and system for estimating polarization state in polarization full-duplex communication

A polarization state, full-duplex technology, applied in the field of wireless communication, can solve the problem of polarization signal reception that affects the performance of polarization self-interference cancellation, and achieve the goal of improving the performance of full-duplex communication, improving the cancellation ability, and improving the accuracy. Effect

Active Publication Date: 2022-02-18
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

This leads to some problems that seriously affect the polarization self-interference cancellation performance and polarization signal reception in the actual operation process, so it is necessary to determine other requirements in the polarization full-duplex communication platform based on these problems

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  • Method and system for estimating polarization state in polarization full-duplex communication
  • Method and system for estimating polarization state in polarization full-duplex communication

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Embodiment Construction

[0020] The present invention is a polarization state estimation method and system in polarization full-duplex communication, which is easy to operate and has strong compatibility. The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Such as figure 1 As shown, in order to achieve the expected effect, the present invention can be divided into two parts: polarization state estimation and full-duplex communication implementation flow design, and polarization state estimation method and system design and implementation. The specific process is as follows:

[0022] Part 1: Polarization state estimation and full-duplex communication implementation process design

[0023] Such as figure 2 As shown, the communication process between platform nodes can be divided into the polarization state estimation stage and the full-duplex communication stage, and the polarization state estimation stage includes t 1 and t 2 Two steps.

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Abstract

Aiming at the problem that the polarization state of the received signal may change in the existing polarization full-duplex communication platform, thus affecting the performance of the platform, the invention provides a method and system for estimating the polarization state in the polarization full-duplex communication. The invention mainly includes two parts: polarization state estimation and full-duplex communication implementation flow design, and polarization state estimation system design and realization. The first part is mainly aimed at the polarization state estimation of the polarization full-duplex communication platform and the corresponding design of the full-duplex communication process; the second part is based on LabVIEW software to design and implement the polarization state estimation system to achieve the expectations of the receiving end. Estimation of signal and self-interfering signal polarization states. The present invention realizes the polarization state estimation process on the polarization full-duplex communication platform for the first time, which provides more stable technical support for the practical application and popularization of the polarization full-duplex communication technology in the future. The field of communication technology is of great significance.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and aims at the problem that the polarization state of received signals in the existing polarization full-duplex communication platform may change, thereby affecting the performance of the platform, and proposes a polarization state estimation in polarization full-duplex communication The method and system are used to realize the corresponding function of polarization state estimation in the existing platform. Background technique [0002] With the expansion of communication business scenarios and the corresponding surge in traffic volume, mobile communication data traffic continues to grow, and the problem of spectrum resource shortage has become increasingly prominent. Therefore, how to improve spectrum efficiency has become one of the current research hotspots in mobile communication. In response to this problem, researchers have successively proposed a variety of new technologi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/14
CPCH04L5/14
Inventor 冯春燕刘芳芳白凤起黄丁才
Owner BEIJING UNIV OF POSTS & TELECOMM
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