The effectiveness of signal clipping for PAPR and total degradation reduction in OFDM systems

  title={The effectiveness of signal clipping for PAPR and total degradation reduction in OFDM systems},
  author={Steve C. Thompson and John G. Proakis and James R. Zeidler},
  journal={GLOBECOM '05. IEEE Global Telecommunications Conference, 2005.},
  pages={5 pp.-2811}
Signal clipping has been suggested as an effective peak-to-average power ratio (PAPR) reduction scheme for orthogonal frequency-division multiplexing (OFDM). This paper analyzes clipped M-ary differentially encoded phase-shift keying (M-DPSK) OFDM. The impact of input power backoff (IBO) of a nonlinear power amplifier (PA) is evaluated. An effective PAPR reduction scheme should provide one of the two equivalent enhancements: 1) a reduced error floor at a given backoff, or 2) a reduced required… CONTINUE READING
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