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A Novel Selected Mapping Technique for PAPR Reduction in OFDM Systems

Lookup NU author(s): Dr Stephane Le Goff, Dr Boon Kien Khoo, Professor Harris Tsimenidis, Professor Bayan Sharif

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Abstract

Selected mapping (SLM) is a well-known method for reducing the peak-to-average power ratio (PAPR) in orthogonal frequency-division multiplexing (OFDM) systems. The main drawback of this technique is that, for each data block, it requires the transmission of several side information bits, which results in some data rate loss. These redundant bits are so critical to the error performance of the system that they need in practice to be protected by a powerful channel code. This increases the system complexity and transmission delay, and decreases the data rate even further. In this paper, we propose a novel SLM method for which no side information needs to be sent. By considering the example of an OFDM system using 16-QAM modulation, it is shown that the proposed method performs very well both in terms of PAPR reduction and bit error rate at the receiver output.

Publication metadata

Author(s): Le Goff SY, Khoo BK, Tsimenidis CC, Sharif BS

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Communications

Year: 2008

Volume: 56

Issue: 11

Pages: 1775-1779

Date deposited: 16/03/2010

ISSN (print): 0090-6778

ISSN (electronic): 1558-0857

Publisher: IEEE

URL: http://dx.doi.org/10.1109/TCOMM.2008.070021

DOI: 10.1109/TCOMM.2008.070021

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