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发表于 2006-7-2 16:21
2006年6月专题索引——OFDM与MIMO技术
语言:英文
摘要:本文探讨具有同信道干扰的MIMO信道容量问题。论文考虑一般相关瑞利/相关瑞利模型,并假定接收端有完美信道状态信息,而发送端没有信道状态信息。利用矩阵变量分布理论, 论文推导出一些典型情况下交互信息的矩生成函数精确封闭表达式,然后利用这些表达式,给出了相应情况下平均信道容量的精确封闭表式。
Abstract: In this paper, we investigate the capacity of multiple-input/multiple-output (MIMO) systems, which is a general Rayleigh/Rayleigh model including spatially correlated channels as well as spatially correlated interferers. Perfect channel information is assumed to be available to the receiver, but the transmitter has no channel information. Based on the theory of matrix variate distribution, we derive exact closed-form expressions of the moment generating function (MGF) of mutual information of MIMO channels with interference. Then we obtain further exact closed-form expressions of the MIMO ergodic capacity with these MGF formulas of mutual information.
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