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首页> 外文期刊>The mediterranean journal of electronics and communications >PERFORMANCE OF PHYSIQUE LAYER DATA TRANSMISSION FOR WIRELESS COMMUNICATIONS BY ORTHOGONAL CODES
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PERFORMANCE OF PHYSIQUE LAYER DATA TRANSMISSION FOR WIRELESS COMMUNICATIONS BY ORTHOGONAL CODES

机译：正交码在无线通信中物理层数据传输的性能

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摘要

Telecommunication systems using multiple antennas become increasingly popular during the last decade through results conducted by the fundamental work of Alamouti (1998), Foschini and Gans (1998) Kammeyer and Kuehn (2004). The reason for this interest is justified by the spectral efficiency afforded by deploying these antennas for mobile radio systems. Mainly two independent objectives can be distinguished: The first is to improve the credibility of the connection, this can be achieved by enhancing the signal to noise ratio. The second discusses the throughput. This paper deals mainly with various techniques using antennas, from SISO systems to MIMO diversity technology and thereafter a comprehensive description of these encoding techniques are presented we will describe how these techniques can improve transmission over physical layer in a wireless context by using orthogonal codes.
机译：通过Alamouti（1998），Foschini和Gans（1998）Kammeyer和Kuehn（2004）的基础工作得出的结果，使用多天线的电信系统在过去十年中变得越来越流行。这种兴趣的原因是通过将这些天线部署到移动无线电系统所提供的频谱效率来证明的。主要可以区分两个独立的目标：第一个是提高连接的可信度，这可以通过提高信噪比来实现。第二部分讨论吞吐量。本文主要涉及使用天线的各种技术，从SISO系统到MIMO分集技术，然后对这些编码技术进行全面描述，我们将描述这些技术如何通过使用正交码来改善无线环境中物理层的传输。

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