3 papers
cs.IT2020
Non Orthogonal Multiple Access with Orthogonal Time Frequency Space Signal Transmission
Aritra Chatterjee, Vivek Rangamgari, Shashank Tiwari +1
Orthogonal time frequency space (OTFS) is being pursued in recent times as a suitable wireless transmission technology for use in high mobility scenarios. In this work, we propose…
cs.IT2020
OTFS: Interleaved OFDM with Block CP
Vivek Rangamgari, Shashank Tiwari, Suvra Sekhar Das +1
Orthogonal time frequency space (OTFS) modulation is a recently proposed waveform for reliable communication in high-speed vehicular communication scenarios. It has better resilien…
cs.IT2019
Low Complexity LMMSE Receiver for OTFS
Shashank Tiwari, Suvra Sekhar das, Vivek Rangamgari
Orthogonal time frequency space modulation is a two dimensional (2D) delay-Doppler domain waveform. It uses inverse symplectic Fourier transform (ISFFT) to spread the signal in tim…