Title :
Peak to average power reduction for OFDM schemes by selective scrambling
Author :
Van Eetvelt, P. ; Wade, G. ; Tomlinson, M.
Author_Institution :
Satellite Centre, Plymouth Univ., UK
fDate :
10/10/1996 12:00:00 AM
Abstract :
A selective scrambling technique is proposed for reducing the peak to average power ratio (PAPR) in QPSK-OFDM systems, while incurring negligible redundancy. Formulation of an appropriate function for selecting between scrambled sequences is discussed, and simulation shows that scrambling reduces the PAPR of the OFDM signal to typically 2% of the maximum possible value
Keywords :
frequency division multiplexing; quadrature phase shift keying; sequences; OFDM schemes; QPSK; orthogonal FDM; peak to average power reduction; scrambled sequences selection; selective scrambling;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19961322
