Digital compensation of receiver clipping for DVB reception on low-power mobile

J.P.M.G. Linnartz, R. Rietman

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Abstract

Battery life-time is a critical issue for digital television (DVB) viewing on mobile phones. The number of quantization steps used in the analog-to-digital converter (ADC) is an important factor in the total power consumption of a DVB receiver. The OFDM signals require a large resolution of the ADC. We propose a digital post-processing method that allows reduction of the peak-to-average margin by compensating for clipping artifacts when the ADC is saturated. Clipped OFDM peaks cause spurious signals on empty subcarriers, which can be used to recover the original signal and to eliminate clipping artifacts.
Original languageEnglish
Title of host publicationProceedings of the 3rd Annual IEEE Benelux/DSP Valley Signal Processing Symposium, 21-22 March 2007, Antwerp, Belgium
Place of PublicationAntwerp, Belgium
PublisherInstitute of Electrical and Electronics Engineers
Publication statusPublished - 2007
Eventconference; Annual IEEE Benelux/DSP Valley Signal Processing Symposium (SPS-DARTS 2007); 2007-03-21; 2007-03-22 -
Duration: 21 Mar 200722 Mar 2007

Conference

Conferenceconference; Annual IEEE Benelux/DSP Valley Signal Processing Symposium (SPS-DARTS 2007); 2007-03-21; 2007-03-22
Period21/03/0722/03/07
OtherAnnual IEEE Benelux/DSP Valley Signal Processing Symposium (SPS-DARTS 2007)

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