用于上行无线通信的单载波时域重叠复用

2007 3rd International Workshop on Signal Design and Its Applications in Communications Pub Date : 2007-12-26 DOI:10.1109/IWSDA.2007.4408367

Jing Wang, Daoben Li

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引用次数: 0

摘要

OvTDM(重叠时分复用)是一种提高频谱效率的新方法。OvTDM的最佳检测方法是最大似然序列检测(MLSD)。然而，探测器过于复杂，无法在未来的移动通信系统中使用。本文提出了一种用于未来上行通信的新型系统FDE-OvTDM，并对两种次优检测器的性能进行了研究。详细讨论了FDE-OvTDM的信令方案、系统设计和频谱效率。仿真结果表明，在高频谱效率下，FDE-OvTDM的性能优于SC-FDE和OFDM, OvTDM的峰值平均功率比(PAPR)优于OFDM。

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Single-Carrier Time-Domain Overlapping Multiplexing for Uplink Wireless Communications

OvTDM (overlapping time division multiplexing) is a novel method for high spectrum efficiency. The optimal detection of OvTDM is the maximum-likelihood sequence detection (MLSD). However, the detector is too complex to be available in future mobile communication systems. In the paper, a novel system named FDE-OvTDM is proposed for future uplink communications, and the performance of two sub-optimal detectors will be investigated. The signaling scheme, system design and spectrum efficiency of FDE-OvTDM are discussed in detail. Simulation results prove that the performance of FDE-OvTDM is better than that of SC-FDE and OFDM under high spectrum efficiency, and the peak-to-average power ratio (PAPR) of OvTDM is better than that of OFDM.

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

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