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Patent: Method and apparatus of peak-to-average power ratio reduction, U.S. Patent No. 7,409,009; EP1,469,649; GB2,401,516

Record type: Other

A technique of reducing the Peak-to-Average Power Ratio (PAPR) of Multi-Carrier (MC) modulated signals in which peaks in the baseband signal that lie above a threshold amplitude are detected and used to generate a pulse sequence signal which, after shaping, is subtracted from the baseband signal to reduce its PAPR. The method is spectrally efficient, has a low degree of implementation complexity and hence it is also suitable for low-power, portable implementation. Moreover, it is compatible with existing standard-based Orthogonal Frequency Division Multiplex (OFDM) systems. As an example of the performance of the proposed scheme, the amplifier back-off requirement in a Terrestrial Digital Video Broadcast (DVB-T) system can be reduced from 12 to 6 dB, while satisfying the of out-of-band emission specifications imposed by the Federal Communications Commission (FCC) spectral mask.

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Citation

Akhtman, Yosef (2008) Patent: Method and apparatus of peak-to-average power ratio reduction, U.S. Patent No. 7,409,009; EP1,469,649; GB2,401,516

More information

Published date: 5 August 2008
Additional Information: European Patent No. 1,469,649; Great Britain Patent No. 2,401,516.
Organisations: Electronics & Computer Science

Identifiers

Local EPrints ID: 267079
URI: http://eprints.soton.ac.uk/id/eprint/267079
PURE UUID: 09360dfd-a96e-454a-82d5-47ab5b5d7b6c

Catalogue record

Date deposited: 03 Feb 2009 18:31
Last modified: 18 Jul 2017 07:08

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Contributors

Author: Yosef Akhtman

University divisions


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