NDLI: An Effective Method for PAPR Reduction in MC-DS-CDMA Systems

Content Provider	IEEE Xplore Digital Library
Author	Xianhua Dai Jianqing Liang Haifeng Wu Dong Li
Copyright Year	2006
Description	Author affiliation: Sch. of Inf. Sci. & Technol., Sun Yat-sen Univ., Guangzhou (Xianhua Dai; Jianqing Liang; Haifeng Wu; Dong Li)
Abstract	As the combination of OFDM and CDMA, MC-DS-CDMA is a strong candidate for future wireless communication. However, challenges remain before it can achieve full potential. In this paper, we concentrated on reducing the peak-to-average power ratio (PAPR) in MC-DS-CDMA system and proposed an effective method, which takes advantage of the characteristics of MC-DS-CDMA system. At transmitter, chips after time spreading are pseudo-random permuted firstly and clipping is exploited to reduce the PAPR. At receiver, the order of chips is recovered and the clipping noise is estimated and canceled. As a result, signal PAPR can be effectively controlled by clipping while avoid being severely distorted at some certain points by chip pseudo-random permutation at transmitter, and system performance loss caused by clipping can be mitigated to very little by canceling the clipping noise at receiver
Starting Page	1
Ending Page	4
File Size	243831
Page Count	4
File Format	PDF
ISBN	1424405173
DOI	10.1109/WiCOM.2006.102
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Transmitters OFDM System performance Peak to average power ratio Noise cancellation Control systems Distortion Propagation losses Multiaccess communication
Content Type	Text
Resource Type	Article

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