2 papers
cs.IT2020
OTFS Based Random Access Preamble Transmission For High Mobility Scenarios
Alok Kumar Sinha, Saif Khan Mohammed, P. Raviteja +2
We consider the problem of uplink timing synchronization for Orthogonal Time Frequency Space (OTFS) modulation based systems where information is embedded in the delay-Doppler (DD)…
cs.IT2018
Timing Advance Estimation and Beamforming of Random Access Response in Crowded TDD Massive MIMO Systems
Sudarshan Mukherjee, Alok Kumar Sinha, Saif Khan Mohammed
Timing advance (TA) estimation at the base station (BS) and reliable decoding of random access response (RAR) at the users are the most important steps in the initial random access…