NDLI: Shift Estimation with Delayed Correlation Cyclic-Selective Mapping (Cyclic-SLM) PAPR Reduction in OFDM System

Content Provider	Springer Nature Link
Author	Pamungkasari, Panca Dewi Sanada, Yukitoshi
Copyright Year	2016
Abstract	Cyclic-selective mapping (SLM) for wireless orthogonal frequency division multiplexing (OFDM) systems combines an original signal and its cyclic shifted signal to reduce a peak-to-average power ratio (PAPR) in time domain. However, side information (SI) regarding to the amount of the cyclic shift is required at the receiver, and how to transmit it is one of the most challenging issues of SLM schemes because it decreases the throughput of wireless OFDM systems. The delayed correlation based estimation scheme is proposed in this paper to avoid the transmission of the SI. This scheme exploits the correlation between a guard interval sequence and a received signal with delay to estimate the amount of the cyclic shift at the receiver side. Numerical results obtained through computer simulation show that the proposed scheme can estimate the delay with an accuracy of more than 0.99 at an $$E_b/N_0$$ of 8 dB and achieve the PAPR that is equivalent to the conventional SLM while the bit error rate degradation is slightly different from that with perfect shift estimation.
Starting Page	739
Ending Page	753
Page Count	15
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	91
Issue Number	2
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2016-07-05
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Peak-to-average power ratio (PAPR) Selective mapping (SLM) Cyclic-SLM Delayed correlation Communications Engineering, Networks Signal,Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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