MC-DC-CDMA系统的LS码扩展

2007 3rd International Workshop on Signal Design and Its Applications in Communications Pub Date : 2007-12-26 DOI:10.1109/IWSDA.2007.4408349

Jie Shen, De-san Miao, Wei Jiang

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引用次数: 0

摘要

提出了一种基于松同步码的多载波DS-CDMA方案，该方案具有很高的频谱效率和较好的性能。给出了一种在复杂平面上扩展LS码的方法，详细描述了LS码的构造，并证明了LS码的一些性质。仿真结果表明，该示例代码的性能优于8PSK和8QAM。在实际应用中，该方法可以扩展到构造更长的LS代码，进一步提高系统性能。

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Expanded LS Code in MC-DC-CDMA system

This paper presents a novel multicarrier DS-CDMA scheme based on the loosely synchronous (LS) codes, which can achieve very high spectral efficiency and better performance. We present a method to extend LS code on complex plan, with detail description of its construction, and give proof of some properties on such code. At last, simulation results show that the example code has better performance than 8PSK and 8QAM. In practice, this method can be expanded to construct longer LS code, and further improve system performance.

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2007 3rd International Workshop on Signal Design and Its Applications in Communications

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