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首页> 外文期刊>Information Theory, IEEE Transactions on >Two Designs of Space-Time Block Codes Achieving Full Diversity With Partial Interference Cancellation Group Decoding
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Two Designs of Space-Time Block Codes Achieving Full Diversity With Partial Interference Cancellation Group Decoding

机译：通过部分干扰消除组解码实现完全分集的时空分组码的两种设计

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摘要

A partial interference cancellation (PIC) group decoding based space-time block code (STBC) design criterion was recently proposed by Guo and Xia, where the decoding complexity and the code rate traeoff is dealt when the full diversity is achieved. In this paper, two designs of STBC are proposed for any number of transmit antennas that can obtain full diversity when a PIC group decoding (with a particular grouping scheme) is applied at receiver. With the PIC group decoding and an appropriate grouping scheme for the decoding, the proposed STBC are shown to obtain the same diversity gain as the ML decoding, but have a low decoding complexity. The first proposed STBC is designed with multiple diagonal layers and it can obtain the full diversity for two-layer design with the PIC group decoding and the rate is up to 2 symbols per channel use. With PIC-SIC group decoding, the first proposed STBC can obtain full diversity for any number of layers and the rate can be full. The second proposed STBC can obtain full diversity and a rate up to 9/4 with the PIC group decoding. Some code design examples are given and simulation results show that the newly proposed STBC can well address the rate-performance-complexity tradeoff of the MIMO systems.
机译：Guo和Xia最近提出了一种基于部分干扰消除（PIC）组解码的空时分组码（STBC）设计标准，其中在实现完全分集时处理解码复杂度和码率差错。在本文中，针对任意数量的发射天线提出了两种STBC设计，当在接收器上应用PIC组解码（具有特定的分组方案）时，可以获得完全的分集。通过PIC分组解码和适当的解码分组方案，所示的拟议STBC获得了与ML解码相同的分集增益，但解码复杂度较低。首先提出的STBC设计有多个对角线层，并且可以通过PIC组解码获得用于两层设计的完整分集，并且每通道使用率高达2个符号。通过PIC-SIC组解码，第一个提出的STBC可以获得任意数量层的完全分集，并且速率可以完全。提出的第二种STBC可以通过PIC组解码获得全分集和高达9/4的速率。给出了一些代码设计实例，仿真结果表明，新提出的STBC可以很好地解决MIMO系统的速率-性能-复杂度折衷。

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