Orthogonal Frequency Division Multiplexing for Wireless Communications

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OFDM Inspired Waveforms for 5G (2016, background): “IN THE past, orthogonal frequency division multiplexing (OFDM) has enjoyed its dominance as the most popular signaling method in broadband wired [1], [2], and wireless [3], [4], channels.”
OFDM Versus Filter Bank Multicarrier (2011, background): “Also, recalling the fundamental concept behind the OFDM operation, one may note that the difference T 2 1T FFT 1 T 0 1 T 1 2 is a residual time that is allocated to accommodate the duration of the channel impulse response [1], [2].”
Channel estimation for OFDM systems (2017, background): “Multicarrier modulation in the form of orthogonal frequency division multiplexing (OFDM) has prevailed in wireless communications due to its high rate transmission capability with high bandwidth efficiency and its robustness with regard to multi-path fading and long delay [1, 2, 3, 4].”