近最优SLM的相序构造

2014 IEEE 15th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) Pub Date : 2014-06-22 DOI:10.1109/SPAWC.2014.6941832

Yanyan Wu

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引用次数: 1

摘要

高峰值平均功率比(PAPR)是OFDM等多载波传输系统的主要缺点。在各种减少PAPR的技术中，选择性映射(SLM)是一种随机方法，有可能通过相位优化实现最大的PAPR降低。本文推导了确定近似最优SLM的合适相位序列的可测量准则，然后以MPSK序列的形式制定了大量候选相位序列，以实现近似最优SLM性能。研究了一种低成本的发射机搜索算法。

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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Phase sequence construction for near optimum SLM

High Peak-to-Average Power Ratio (PAPR) is a major drawback of multicarrier transmission systems such as OFDM. Among various techniques proposed for PAPR reduction, SeLective Mapping (SLM) is a stochastic approach with the potential to achieve maximum PAPR reduction via phase optimization. In this paper, a measurable criterion for determining suitable phase sequences for near optimum SLM is derived, following which a large number candidates in the form of MPSK sequences are formulated to achieve near optimum SLM performance. A low cost search algorithm for the transmitter is also investigated.

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来源期刊

2014 IEEE 15th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)

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