串联空时编码

Conference Record of the Thirty-Fourth Asilomar Conference on Signals, Systems and Computers (Cat. No.00CH37154) Pub Date : 2000-10-29 DOI:10.1109/ACSSC.2000.911045

A. Reial, S.G. Wilson

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引用次数: 12

摘要

提出了一种串行串联空时编码器，可以在衰落条件下充分利用大维多发多收无线系统的高容量。对于足够长的块长度，它满足码态复杂度下界和最大分集所需的秩准则。提出了一种3级迭代解码结构，将调制器和信道级作为串行连接中的附加编码器。它的解码复杂度在天线数量或传输比特率方面是非指数的，并且与传统的2级指数复杂度解码相比，它还提供了性能增益。

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Concatenated space-time coding

A serially concatenated space-time encoder is proposed that can utilize the high capacities available for large-dimensional multiple-transmitter, multiple-receiver wireless systems under fading conditions. For sufficiently long block lengths, it satisfies the code state complexity lower bounds and the rank criterion required for maximal diversity. A 3-stage iterative decoding structure, treating the modulator and channel stages as an additional encoder in serial concatenation, is presented. Its decoding complexity is non-exponential in the number of antennas or the transmission bit rate and it also provides a performance gain compared to the traditional, 2-stage exponential-complexity decoding.

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Conference Record of the Thirty-Fourth Asilomar Conference on Signals, Systems and Computers (Cat. No.00CH37154)

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