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Peak power reduction of space-time coded OFDM signals

Jayalath, Dhammika & Athaudage, Chandranath R. N. (2004) Peak power reduction of space-time coded OFDM signals. In IEEE Eighth International Symposium on Spread Spectrum Techniques and Applications, 2004, (ISSSTA 2004)., 30 August - 2 September 2004, Sydney, Australia.

Abstract

Peak power reduction in space-time coded orthogonal frequency division multiplexing (OFDM) systems is a challenging task. Most of the current peak power reduction schemes reduce the peak power by manipulating the signal at the final IDFT process. However, in the case of space-time coded OFDM, any processing at this stage would violate the space-time code structure, making its detection at the receiver impossible. The paper shows that selected mapping (SLM) reduces the peak power of space-time coded OFDM signals without violating the space-time code. Reduced peak power of the OFDM signal relaxes the strict dynamic range requirements of the transmitter.

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ID Code: 13771
Item Type: Conference Paper
Additional URLs:
Keywords: OFDM, Space, Time Coding, Peak Power Reduction
ISBN: 0780384083
Subjects: Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > COMMUNICATIONS TECHNOLOGIES (100500) > Communications Technologies not elsewhere classified (100599)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2004 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 16 Jun 2008
Last Modified: 01 Mar 2012 00:02

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