针对大量接收天线的差分酉时调制

Conference Record of the Thirty-Sixth Asilomar Conference on Signals, Systems and Computers, 2002. Pub Date : 2002-11-03 DOI:10.1109/ACSSC.2002.1197244

Jibing Wang, M. Fitz, K. Yao

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引用次数: 20

摘要

对于高信噪比，差分酉空时码的设计准则遵循秩-行列式准则。本文表明，当接收天线数量较大时，码字之间的欧几里得距离决定了DUST码的性能。因此，在存在大量接收天线的情况下;利用欧几里得距离准则可以对粉尘编码进行优化。仿真结果验证了理论分析的正确性。

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Differential unitary space-time modulation for a large number of receive antennas

For high signal to noise ratios, the design criteria for differential unitary space-time (DUST) codes follow the rank-and-determinant criterion. In this paper, we show that when the number of receiver antennas is large, the Euclidean distance among codewords dominates the performance of DUST codes. Therefore, in the presence of a large number of receive antennas; DUST codes can be optimized by using the Euclidean-distance criterion. Simulation results are given to corroborate the theoretical analysis.

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Conference Record of the Thirty-Sixth Asilomar Conference on Signals, Systems and Computers, 2002.

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