PAR reduction of an OFDM signal using partial transmit sequences
Tellambura, Chintha & Jayalath, Dhammika (2001) PAR reduction of an OFDM signal using partial transmit sequences. In IEEE VTS 54th Vehicular Technology Conference, 2001 (VTC 2001 Fall)., 7-11 Oct. 2001, Atlantic City, NJ, USA.
The peak-to-average power ratio (PAR) of an orthogonal frequency division multiplexing (OFDM) signal can be substantially larger than that of a single carrier system. Partial transmit sequence (PTS) combining can improve the PAR statistics of an OFDM signal. For PTS, the search complexity increases exponentially with the number of subblocks. We present a new algorithm for computing the phase factors that achieves better performance than the exhaustive binary search approach. We also investigate the effects of non-linear amplifiers on the performance of the new algorithm, including the power spectral density and in-band distortion.
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|Item Type:||Conference Paper|
|Keywords:||OFDM, Partial Transmit Sequences, Peak, to, Average Power Ratio, PAR, PTS|
|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 2001 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:||11 Aug 2011 03:48|
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