Soft Detection and Decoding of Clipped and Filtered COFDM Signals

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 01 Apr 2007Publisher:IEEEJournal:2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring (issn: 1550-2252,

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Authors: Peter Zillmann; Wolfgang Rave; Gerhard P. Fettweis;

doi: 10.1109/vetecs.2007.333

Soft Detection and Decoding of Clipped and Filtered COFDM Signals

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Abstract

Clipping and filtering is an attractive method for the reduction of the PAPR of OFDM signals before transmission. However, the resulting distortion noise impacts the error rate performance. An iterative receive algorithm employing soft modulation and soft input-soft output (SISO) decoding is presented, and its coded frame error rate (FER) performance over both AWGN and frequency-selective fading channels is evaluated. The performance of an approach with reduced complexity is also shown.

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TU Dresden
Germany
Vodafone
United Kingdom

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