Abstract
In this paper a new method is proposed to perform the N-Radon orthogonal frequency division multiplexing (OFDM), which are equivalent to 4-quadrature amplitude modulation (QAM), 16-QAM, 64-QAM, 256-QAM, ... etc. in spectral efficiency. This non conventional method is proposed in order to reduce the constellation energy and increase spectral efficiency. The proposed method gives a significant improvement in Bit Error Rate performance, and keeps bandwidth efficiency and spectrum shape as good as conventional Fast Fourier Transform based OFDM. The new structure was tested and compared with conventional OFDM for Additive White Gaussian Noise, flat, and multi-path selective fading channels. Simulation tests were generated for different channels parameters values including multi-path gains vector, multi-path delay time vector, and maximum Doppler shift.
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Kattoush, A.H., Al-Jawher, W.A.M., Abbas, S.M. et al. A N-Radon Based OFDM Trasceivers Design and Performance Simulation Over Different Channel Models. Wireless Pers Commun 58, 695–711 (2011). https://doi.org/10.1007/s11277-009-9902-1
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DOI: https://doi.org/10.1007/s11277-009-9902-1