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Delay-Doppler and Angular Domain 4D-Sparse CSI Estimation in OTFS Aided MIMO Systems [PDF]

open access: possibleIEEE Transactions on Vehicular Technology, 2022
A convenient delay, Doppler and angular-(DDA) domain representation of the multiple-input multiple-output (MIMO) wireless channel is conceived for deriving the end to end relationship in the delay-Doppler (DD)-domain for orthogonal time frequency space (OTFS)-based communications.
Suraj Srivastava   +2 more
exaly   +3 more sources

Multi-Domain NOMA for ISAC: Utilizing the DOF in the Delay-Doppler Domain

IEEE Communications Letters, 2023
Zhichao Cui, Jing Hu, Guangxia Li
exaly   +2 more sources

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