LTE和WiMAX卫星系统:使用分路多码传输改进FEC性能

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop Pub Date : 2010-09-27 DOI:10.1109/ASMS-SPSC.2010.5586918

A. Awoseyila, B. Evans

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引用次数: 2

摘要

在本文中，我们研究了卫星移动信道中LTE和WiMAX空中接口由于使用短发射时间间隔(TTI)而导致的缺乏足够的时间分集而导致的FEC性能下降。然后，我们提出了一种通用的“分割多码传输”技术来克服这个问题，而不会降低可实现的用户数据速率。给出了MAESTRO卫星宽带信道在农村地区的仿真结果。

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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LTE and WiMAX satellite systems: Improving FEC performance using split multicode transmission

In this paper we investigate the degradation in FEC performance of LTE and WiMAX air-interfaces in satellite mobile channels due to lack of sufficient time diversity caused by the use of a short transmit time interval (TTI). We then propose a generalized ‘split multicode transmission’ technique to overcome this problem without any reduction in the achievable user data rate. Simulation results are presented using the MAESTRO satellite wideband channel for rural areas.

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来源期刊

2010 5th Advanced Satellite Multimedia Systems Conference and the 11th Signal Processing for Space Communications Workshop

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