PAPR mitigation algorithms for OFDM WiMAX link

Gasem Rashwan; Salih Kenshil; Mohammad Matin

doi:10.1117/12.2024756

26 September 2013 PAPR mitigation algorithms for OFDM WiMAX link

Gasem Rashwan, Salih Kenshil, Mohammad Matin

Proceedings Volume 8855, Optics and Photonics for Information Processing VII; 88550D (2013) https://doi.org/10.1117/12.2024756
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

OFDM has been adopted in many high systems due to its high data rates and to its robust performance in fading channel. OFDM distributes the data among number of carriers which are called subcarriers. The subcarriers must be orthogonal to prevent the carrier from interfering to each other. Features such overcoming ISI (inter-symbol interference) and the complexity of Designing both receiver and transmitter made it ideal technique for both wired and wireless communication as long as optical communications. However, OFDM suffers from a defect called Peak Average power ratio (PAPR). APARP is crucial drawback that limits the way that OFDM functions and reducing or mitigating this factor in wireless and optical environment will help overcome and enhance the OFDM date rate. PAPR is the main cause of inter-carrier interference and high out-of-band power, and consequently Bit error rate BER. We investigate some of the techniques that mitigate the effect of PAPR. These techniques are merged together to provide a better PAPR reduction with the existing techniques. In this paper, we are proposing a new reduction algorithm to minimize the effect of the PAPR. The results and simulation are done in Optisystem V-11 and Matlab environment. These approaches will be applied on WiMAX application and the performances between the different techniques are examined.

Citation Download Citation

Gasem Rashwan, Salih Kenshil, and Mohammad Matin "PAPR mitigation algorithms for OFDM WiMAX link", Proc. SPIE 8855, Optics and Photonics for Information Processing VII, 88550D (26 September 2013); https://doi.org/10.1117/12.2024756

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