Title :
Sculpting the multicarrier spectrum: a novel projection precoder
Author :
van de Beek, Jaap
Author_Institution :
Huawei Technol. Sweden, Kista, Sweden
fDate :
12/1/2009 12:00:00 AM
Abstract :
A novel spectrum-sculpting precoder flexibly suppresses emitted power in predefined parts of the spectrum by tens of decibels. The precoder is particularly suitable in cognitive OFDM systems where the emitted signal´s spectrum is adapted to time-varying reigning radio circumstances.
Keywords :
OFDM modulation; cognitive radio; precoding; cognitive OFDM systems; multicarrier spectrum; spectrum-sculpting precoder; time-varying reigning radio circumstances; Adaptive filters; Cognitive radio; Design engineering; Filtering; Fourier transforms; Interference; OFDM modulation; Power engineering and energy; Signal design; Time varying systems; OFDM, spectrum shaping, precoding;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2009.12.091614
