期刊
IEEE COMMUNICATIONS LETTERS
卷 15, 期 6, 页码 611-613出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2011.041411.101946
关键词
PAPR; SLM; side information; phase sequence
资金
- Korea National Research Foundation (NRF) [K20901000004-09E0100-00410]
- Ministry of Knowledge Economy (MKE, Korea)
- Korea Institute of Industrial Technology(KITECH) [10032185] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2009-00422] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Selected mapping (SLM) scheme is a well-known technique for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems. To recover data at receiver, the SLM scheme requires transmission of the selected phase sequence index, e. g., side information (SI). In this letter, a new pilot phase sequence enabling data recovery without SI and a low complexity decoding scheme are proposed. The BER performance of the proposed scheme is approximately the same in comparison with the SLM scheme with SI and considerably better than that of the Maximum Likelihood (ML) decoding scheme. In addition, the computational complexity of the proposed decoding scheme is much lower, as compared to the ML decoding scheme.
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