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Signal sending and receiving method and device thereof

A technology for signal transmission and signal reception, applied in the field of communication, can solve the problems of low complexity and insufficient performance, and achieve the effect of improving performance

Active Publication Date: 2020-07-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, although polar codes have relatively mature decoding algorithms and have low complexity, their performance is not good enough when the code length is limited.

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  • Signal sending and receiving method and device thereof
  • Signal sending and receiving method and device thereof
  • Signal sending and receiving method and device thereof

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Embodiment Construction

[0071] In order to make the purpose, technical solutions, and advantages of the embodiments of the present application clearer, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0072] In the following, some terms used in the embodiments of the present application are explained, so as to facilitate the understanding of those skilled in the art.

[0073] 1) Terminal equipment, including equipment that provides voice and / or data connectivity to users, for example, may include a handheld device with a wireless connection function, or a processing device connected to a wireless modem. The terminal device may communicate with the core network via a radio access network (radio access network, RAN), and exchange voice and / or data with the RAN. The terminal equipment may include user equipment (user equipment, UE), wireless terminal equipment, mobile terminal equipment, subscriber unit (subscriber unit...

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Abstract

The invention discloses a signal sending and receiving method and a device thereof, which are used for improving the performance of channel coding. According to the embodiment of the invention, channel coding can be carried out on the first codeword to obtain the second codeword; in the process of obtaining the 2 / N elements of the second codeword and the remaining 2 / N elements, a first encoding mode and a second encoding mode are respectively used, at least one of the first encoding mode and the second encoding mode is a nonlinear encoding mode, and by adopting the nonlinear encoding mode, theperformance of channel encoding can be improved.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a signal sending and receiving method and device. Background technique [0002] In communication systems, channel coding is usually used to correct and detect errors in transmitted information, and then scrambling is used to ensure random interference. In the enhanced mobile broadband (eMBB) scenario of the new radio (NR) system, the control channel is coded using a polar code, and the coded bits use a Gold sequence (sequence) Do scrambling. [0003] Polar code is a linear coding based on channel polarization theory. In this way, the coding process can be completed by generating a matrix. Theory proves that under certain circumstances, polar codes can achieve channel capacity. [0004] However, although polar codes have relatively mature decoding algorithms and have low complexity, their performance is not good enough when the code length is limited. Con...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
CPCH04L1/0009H04L1/0057H04L1/00
Inventor 曲秉玉龚名新周永行
Owner HUAWEI TECH CO LTD
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