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VTC
2007
IEEE
13 years 11 months ago
A Tail-Biting Turbo Coded OFDM System for PAPR and BER Reduction
— In a turbo coded orthogonal frequency-division multiplexing (TCOFDM) system, low peak-to-average power ratio (PAPR) can be achieved by selective-mapping (SLM). In this paper, w...
Yung-Chih Tsai, Yeong-Luh Ueng
VTC
2006
IEEE
13 years 11 months ago
Reduction of Amplitude Clipping Level with OFDM/TDM
—The OFDM signals have a problem of high peak-to-average power ratio (PAPR). Hence, a large transmit-power backoff or amplitude clipping is required. The amplitude clipping cause...
Haris Gacanin, Shinsuke Takaoka, Fumiyuki Adachi
GLOBECOM
2006
IEEE
13 years 11 months ago
An Adaptive-Scaling Tone Reservation Algorithm for PAR Reduction in OFDM Systems
— Existing tone-reservation algorithms (such as the controlled clipper algorithm) for OFDM require a number of iterations to ensure the reduction of Peak-to-Average Power Ratio (...
Luqing Wang, Chintha Tellambura
ICASSP
2011
IEEE
12 years 8 months ago
Interference cancellation for OFDM systems with hierarchical modulation over non-linear satellite channels
This paper presents an efficient technique to eliminate the inter-layer interference (ILI) inherent in hierarchical modulation (HM) schemes operating over nonlinear satellite cha...
Emad Q. Al-Dalakta, Charalampos C. Tsimenidis, Bay...
VTC
2006
IEEE
134views Communications» more  VTC 2006»
13 years 11 months ago
Efficient Algorithms for PAPR Reduction in OFDM Transmitters Implemented using Fixed-Point DSPs
OFDM has a very high peak-to-average power ratio. This imposes stringent dynamic range requirements on the analog front-ends of the transmitter and receiver and, if a fixedpoint pr...
Brendon J. C. Schmidt, Chi Ng, Patrick Yien, Chris...