Abstract
High peak — to — average power ratio (PAPR) of transmitted signals is a major shortcoming for multicarrier modulation system. This paper introduces a novel OFDM system based on dual—tree complex wavelet transform (DT-CWT). In the proposed scheme, DT-CWT is used in place of fast Fourier transform (FFT). The complementary cumulative distribution function (CCDF) of PAPR for the proposed scheme signal achieves about 3 dB improvement in PAPR over the traditional OFDM and wavelet packet modulation (WPM) signals at 0.1% of CCDF at the cost of acceptable increase in computational complexity without using any pruning techniques.
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Nerma, M.H.M., Kamel, N.S., Jagadish, V.J. (2009). On DT-CWT Based OFDM: PAPR Analysis. In: Plass, S., Dammann, A., Kaiser, S., Fazel, K. (eds) Multi-Carrier Systems & Solutions 2009. Lecture Notes in Electrical Engineering, vol 41. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2530-2_20
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DOI: https://doi.org/10.1007/978-90-481-2530-2_20
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-2529-6
Online ISBN: 978-90-481-2530-2
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