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Physical Layer Waveform Design for High Mobility Wireless Channels

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posted on 05.08.2022, 06:50 authored by THARAJ THAJ

With the advent of high-speed trains, unmanned aerial vehicles, and drones, reliable communications in high mobility wireless channels have become necessary for next-generation wireless networks. Orthogonal frequency division multiplexing (OFDM) has been the standard physical-layer modulation scheme deployed in 4G and 5G mobile systems but suffers from severe performance degradation in high-mobility environments. Hence, robust modulation techniques in both slow and fast time-varying channels are needed to solve the 'reliable communications' problem in such channels. This thesis investigates new physical layer techniques for high-mobility wireless channels, focusing on a recently proposed waveform known as orthogonal time frequency space (OTFS) modulation.


Campus location


Principal supervisor

Emanuele Viterbo

Year of Award


Department, School or Centre

Electrical and Computer Systems Engineering


Doctor of Philosophy


Faculty of Engineering