时空分组编码中最大秩距离码的比较研究

2011 Fifth International Conference on Next Generation Mobile Applications, Services and Technologies Pub Date : 2011-09-14 DOI:10.1109/NGMAST.2011.45

H. M. Asif, E. Gabidulin, B. Honary

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引用次数: 3

摘要

本文针对不同的发射天线配置，提出了在最大秩距码(MRD)上构造空时块(STBC)的方法。不同的字段用于构造这样的代码。为了保持编码的秩，采用高斯整数对三发射天线场景进行调制，以评估其性能。并与相应的正交码进行了比较研究。首先，通过仿真表明，在任何天线配置中，秩码都可以获得与正交码在大多数情况下类似的完全分集增益。仿真结果表明，在任意配置下，正交码的性能都优于MRD码。然而，描述了一种特殊情况，在满足两个条件的情况下，在2x1天线配置中秩码优于正交码。

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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Maximum Rank Distance Codes for Space Time Block Coding: A Comparative Study

In this paper, the construction of space time block (STBC) over maximum rank distance (MRD) codes is presented for different configuration of transmit antennas. Different fields are used to construct such codes. To conserve the rank of the code, Gaussian integers have been used for modulation for 3-transmit antenna scenario to evaluate their performance. Furthermore, a comparative study with corresponding orthogonal code is also presented. First, It is shown through simulation that rank codes in any antenna configuration can achieve full diversity gain similar to what orthogonal codes can do in most cases. The simulation results show that orthogonal codes generally perform better than MRD for any given configuration. However, a special case is described in which rank code outperforms orthogonal code for 2x1 antenna configuration provided the two conditions are satisfied.

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来源期刊

2011 Fifth International Conference on Next Generation Mobile Applications, Services and Technologies

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