A novel PAPR reduction scheme based on selective mapping and a random-like coding with no explicit side information in OFDM

Fateme Kargozar, Mehrbakhsh Nilashi, Othman Ibrahim, Mousa Barisami


Orthogonal Frequency Division Multiplexing (OFDM) is a promising technique for high data rate and reliable communication over fading channels. The main implementation drawback of this system is the possibility of high Peak to Average Power Ratio (PAPR). In this paper, we develop a novel Selective Mapping (SLM) PAPR reduction technique. In the novel proposed scheme, the alternative symbol sequences are generated by module 2 additions of data with the rows of cyclic Hadamard matrix with the same size, inserting the selected row's number to avoid transmitting any side information and specially using a random-like Irregular Repeat Accumulate (IRA) encoder for both PAPR and Bit Error Rate (BER) better performance.

Keywords: IRA Codes, OFDM, PAPR, SLM method.

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ISSN (Paper)2224-5782 ISSN (Online)2225-0506
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