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Peak to Average Power Ratio By zainab saad & zainab saad hadi AL hashemi
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In order to reduce the PAPR, several techniques have been proposed in this thesis, primarily the repeated frequency domain filtering and clipping (RFC) has been proposed and compared with the... More > existing method repeated clipping and frequency domain filtering (RCF). The RFC is better than RCF in performance especially when oversampling (I) ≥ 2 In addition to (RFC) six new types of companding have been proposed and compared with the μ-law and A-law compandings. the best one is Absolute Exponential (AEXP) companding. Five types of pre-coding are used in this work and then compared them with each other. Also four new types of hybrids PAPR reduction techniques have been proposed. These methods are: RCF with precodings, RCF with compandings, RFC with compandings, and precodings with compandings. The best improvement is at (RFC with AEXP) because the PAPR, CCDF of PAPR, and BER. All methods are simulated using matlab.< Less

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