STBC MIMO-OFDM系统中一种基于循环移位的盲SLM PAPR降低方案

2010 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2010-12-23 DOI:10.1109/ICTC.2010.5674679

Hyun-Seung Joo, Jong-Seon No, Dong-joon Shin

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引用次数: 9

摘要

本文提出了一种在STBC MIMO-OFDM中使用循环移位(BSLM-CS)的盲SLM方案。在每个发射天线中的OFDM信号序列被循环移位后，在不需要额外的IFFT的情况下，将OFDM信号序列通过加法和减法线性组合产生备选信号序列。因此，所提出的BSLM-CS方案在传输最小PAPR的备选信号序列时具有较低的计算复杂度。为了在接收端恢复无侧信息的数据，可以推导出与传统BSLM方案类似的BSLM- cs方案的ML解码器。与具有完备侧信息的传统SLM方案相比，该方案的误码率性能没有下降。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A blind SLM PAPR reduction scheme using cyclic shift in STBC MIMO-OFDM system

In this paper, we propose a blind SLM scheme using cyclic shift (BSLM-CS) in STBC MIMO-OFDM. After an OFDM signal sequence in each transmit antenna is cyclically shifted, alternative signal sequences in the proposed scheme are generated by linearly combining OFDM signal sequences using addition and subtraction without the need of the additional IFFT. Therefore, the proposed BSLM-CS scheme has low computational complexity for transmitting the alternative signal sequence with the lowest PAPR. In oder to recover the data at the receiver without side information, the ML decoder for the BSLM-CS scheme can be derived similar to the conventional BSLM scheme. The BER performance of the proposed scheme is not degraded com pared to the conventional SLM scheme with the perfect side information.

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来源期刊

2010 International Conference on Information and Communication Technology Convergence (ICTC)

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