编码频分复用的性能分析

European Journal of Engineering and Formal Sciences Pub Date : 2018-12-01 DOI:10.2478/ejef-2018-0017

M. Farhan

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引用次数: 0

摘要

摘要本文研究了采用正交相移键控(QPSK)和正交调幅(QAM)两种调制技术的编码正交频分复用系统的性能。使用卷积码作为纠错码。所使用的通信信道为车载信道。仿真结果表明，QPSK编码正交频分复用系统的性能优于QAM编码正交频分复用系统

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performance Analysis of Coded Frequency Division Multiplexing

Abstract This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying(QPSK) and quadrature amplitude modulation(QAM). The convolutional code is used as error-correcting-code. The communication channel used is vehicular channel. Simulation results show that the performance of coded orthogonal frequency division multiplexing system with QPSK is better than that with QAM

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European Journal of Engineering and Formal Sciences

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