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首页> 外文会议>International Conference on Signal Processing(ICSP'06); 20061116-20; Guilin(CN) >Space-Time Multi-Block Codes with Linear MMSE Receivers: A Scheme Achieving High Diversity Gain with Low Complexity
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Space-Time Multi-Block Codes with Linear MMSE Receivers: A Scheme Achieving High Diversity Gain with Low Complexity

机译：线性MMSE接收器的时空多块代码：一种实现低分集的高分集增益的方案

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摘要

We consider a multi-input multi-output (MIMO) communication system equipped with a linear minimum mean-square error (MMSE) receiver. We design a full-rate linear space-time block code (STBC) for blocks of data that span several realizations of a block-static fading channel to achieve high diversity gain. The proposed code structures are necessary and sufficient to minimize the detection error probability. They are information lossless when analyzed from information theory view point. They also enable the detection computations to be partitioned into separate blocks such that the normalized complexity is reduced to little more than that for a single block. The additional complexity grows only linearly with L, the number of blocks for which the code design covers. Analysis shows that the diversity gain achieved by the code also grows linearly with L.
机译：我们考虑配备线性最小均方误差（MMSE）接收器的多输入多输出（MIMO）通信系统。我们为跨块静态衰落信道的几种实现的数据块设计了全速率线性时空块代码（STBC），以实现高分集增益。所提出的代码结构对于使检测错误概率最小化是必要且充分的。从信息论的角度分析它们是无损的信息。它们还使检测计算可以划分为单独的块，从而使归一化的复杂度降低到比单个块小得多。额外的复杂度仅随着L线性增加，L是代码设计涵盖的块数。分析表明，代码获得的分集增益也随L线性增长。

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