Mr. Mussa Dida Profile

Mussa Dida

Lecturer at Beijing Institute of Technology

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Proceedings Article | 7 October 2016 Paper

Constant envelope chirped OFDM power efficiency

Mussa Dida, Huan Hao, M. R. Anjum, Tao Ran

Proceedings Volume 9902, 99020N (2016) https://doi.org/10.1117/12.2261926

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Fractional Fourier OFDM or simply chirped OFDM performs better in time-frequency selective channel than its convectional OFDM. Although chirped OFDM outperforms OFDM it still inherits Peak to Average Power Ratio (PAPR) drawback as a convectional OFDM. To eliminate PAPR drawback Constant Envelope OFDM was developed and for better performance in time frequency selective channel Constant Envelope Fractional Fourier OFDM (CE-COFDM) is used. Its BER performance is analyzed and compared to chirped OFDM and OFDM in AWGN and Rayleigh channel. The simulations show the BER performance of CE-COFDM is the same as chirped OFDM and OFDM. The power efficiency of CE-COFDM is also studied and different simulations performed shows CE-COFDM is more power efficient than chirped OFDM and convectional OFDM for class A and class B Linear Power Amplifier (LPA).

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