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Nonlinear companding transform for reducing peak-to-average power ratio of OFDM signals

✍ Scribed by Tao Jiang; Guangxi Zhu


Book ID
114600374
Publisher
IEEE
Year
2004
Tongue
English
Weight
257 KB
Volume
50
Category
Article
ISSN
0018-9316

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## Abstract Large peak‐to‐average power ratio (PAPR) is the main drawback of orthogonal frequency division multiplexing (OFDM) systems. In this paper, a novel nonlinear scheme is proposed to reduce the PAPR. This scheme transforms the amplitude of original OFDM signals from Rayleigh distribution in