PAPR reduction of OFDM signals using partial transmit sequences and Reed-Muller codes

被引：20
|
作者：
Chen, Houshou [1 ]
Liang, Hsinying
机构：
[1] Natl Chung Hsing Univ, Dept Elect Engn, Taichung 402, Taiwan
[2] Natl Chung Hsing Univ, Grad Inst Commun Engn, Taichung 402, Taiwan
来源：
IEEE COMMUNICATIONS LETTERS | 2007年 / 11卷 / 06期
关键词：
OFDM; PAPR; PTS; Reed-Muller codes; natural ordering; cyclic ordering;
D O I：
10.1109/LCOMM.2007.070172
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter proposes a modified PTS technique using binary Reed-Muller (RM) codes for error correction and PAPR control in BPSK OFDM systems. A RM code is divided into the direct sum of a correcting subcode for encoding information bits and a scrambling subcode for encoding PAPR bits. The transmitted signal of the resulting QFDM sequence is selected with minimum PAPR from a number of candidates which are codewords of a coset of the scrambling subcode. We consider the RM codes in natural and cyclic orderings. Numerical results show that RM codes in cyclic ordering achieve better performance in PAPR reduction than RM codes in natural ordering.
引用
收藏
页码：528 / 530
页数：3
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