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引用次数: 5
摘要
最近，Guo和Xia给出了在接收端使用PIC(部分干扰消除)或PIC- sic (PIC与连续干扰消除)解码器时STBC实现完全分集的充分条件。在本文中，我们给出了STBC使用PIC和PIC- sic解码器实现完全分集的替代条件，这些条件相当于Guo和Xia的条件，但更容易检查。利用这些条件，我们构造了一类新的全多样性PIC-SIC可解码码，它包含Toeplitz码和最近由Zhang, Xu等人提出的一组码作为适当的子类。在新标准的帮助下，我们还表明，最近由Zhang, Shi等人提出的一类PIC-SIC可解码代码可以以比报道的低得多的复杂性进行解码，而不会影响完全的多样性。
A new full-diversity criterion and low-complexity STBCs with Partial Interference Cancellation decoding
Recently, Guo and Xia gave sufficient conditions for an STBC to achieve full diversity when a PIC (Partial Interference Cancellation) or a PIC-SIC (PIC with Successive Interference Cancellation) decoder is used at the receiver. In this paper, we give alternative conditions for an STBC to achieve full diversity with PIC and PIC-SIC decoders, which are equivalent to Guo and Xia's conditions, but are much easier to check. Using these conditions, we construct a new class of full diversity PIC-SIC decodable codes, which contain the Toeplitz codes and a family of codes recently proposed by Zhang, Xu et. al. as proper subclasses. With the help of the new criteria, we also show that a class of PIC-SIC decodable codes recently proposed by Zhang, Shi et. al. can be decoded with much lower complexity than what is reported, without compromising on full diversity.
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