重叠复用技术的性能分析

2007 3rd International Workshop on Signal Design and Its Applications in Communications Pub Date : 2007-12-26 DOI:10.1109/IWSDA.2007.4408366

Hui Jiang, Daoben Li, Weidong Li

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引用次数: 9

摘要

本文提出了一类重叠复用技术，包括重叠时分复用(OVTDM)、重叠频分复用(OVFDM)和重叠时频分复用(OVTFDM)。本文研究的是OVTDM，这种新技术仅通过低阶调制信号就能实现超高频谱效率的传输，其特点是相邻信号在时域上存在重叠，利用这种重叠可以提高系统的频谱效率，生成编码约束关系，从而提高传输可靠性。OVFDM和OVTFDM的原理与之相似。仿真结果验证了该理论在加性高斯白噪声信道和多径衰落信道中的有效性。

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 Overlapped Multiplexing Techniques

A class of overlapped multiplexing techniques is presented in this paper, and it includes overlapped time division multiplexing (OVTDM), overlapped frequency division multiplexing (OVFDM) and overlapped time-frequency division multiplexing (OVTFDM). This paper focus on OVTDM, and this new technique can implement transmission with super-high spectral efficiency only by low order modulated signals , and its feature is that there is overlapping between neighbor signals in time domain, which is used to raise the spectral efficiency of the system and generate the coding constraint relationship, thus improving transmission reliability. The theory of OVFDM and OVTFDM is similar to it. Simulation results verify the validity of this theory in additive white Gaussian noise (AWGN) channel and multipath fading channel.

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

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