一种适用于具有大量活跃用户的多址系统的新编码方法

2015 IEEE Information Theory Workshop (ITW) Pub Date : 2015-06-25 DOI:10.1109/ITW.2015.7133114

A. Frolov, V. Zyablov

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引用次数: 8

摘要

研究了在加性高斯白噪声(AWGN)条件下多用户q频信道异步多址系统的构建问题。我们提出了一种允许大量用户在系统中同时工作的信道编码方案。该方案结合了移频键控(FSK)和跳频扩频(FHSS)的思想。该方案的主要组成部分是一个非二进制低密度奇偶校验(LDPC)码。仿真结果表明了该多址系统的有效性。

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A new coding method for a multiple-access system with a large number of active users

The paper addresses the problem of constructing an asynchronous multiple access system for a multi-user Q-frequency channel with additive white Gaussian noise (AWGN). We propose a coding scheme for the channel which allows a large number of users to work simultaneously in the system. The scheme combines the ideas of Frequency Shift Keying (FSK) and Frequency Hopping Spread Spectrum (FHSS). The major component of the scheme is a non-binary low-density parity-check (LDPC) code. The efficiency of the resulting multiple-access system is shown by simulations.

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来源期刊

2015 IEEE Information Theory Workshop (ITW)

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