Polarization state estimation method and system in polarization full duplex communication

A polarization state and full-duplex technology, which is applied in the field of wireless communication, can solve the problems that affect the performance of polarization self-interference cancellation polarization signal reception, and achieve the effect of reducing implementation complexity, improving platform performance, and improving accuracy

Active Publication Date: 2020-09-15
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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  • Polarization state estimation method and system in polarization full duplex communication
  • Polarization state estimation method and system in polarization full duplex communication
  • Polarization state estimation method and system 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

The invention provides a polarization state estimation method and a polarization state estimation system in polarization full duplex communication, aiming at solving the problem that the polarizationstate of a received signal in the existing polarization full duplex communication platform is possibly changed so as to influence the performance of the platform. The method mainly comprises two parts, namely, polarization state estimation and full duplex communication realization process design, and design and realization of a polarization state estimation system. In the first part, correspondingdesign is made mainly for polarization state estimation of a polarization full duplex communication platform and a full duplex communication process. In the second part, a polarization state estimation system is designed and realized on the basis of LabVIEW software so as to realize estimation of polarization states of expected signals and self-interference signals of a receiving end. The polarization state estimation process is realized on the polarization full duplex communication platform for the first time, more stable technical support is provided for practical application and popularization of the polarization full duplex communication technology in the future, and therefore, the polarization state estimation method and system have important significance in the technical field of wireless communication.

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 Applications(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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