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eess.SP2025
Zak-OTFS Based Coded Random Access for Uplink mMTC
Alessandro Mirri, Venkatesh Khammammetti, Beyza Dabak +3
This paper proposes a grant-free coded random access (CRA) scheme for uplink massive machine-type communications (mMTC), based on Zak-orthogonal time frequency space (Zak-OTFS) mod…
eess.SP2025
Low-Complexity Detection of Multiple Preambles in the Presence of Mobility and Delay Spread
Sandesh Rao Mattu, Beyza Dabak, Venkatesh Khammammetti +1
Current wireless infrastructure is optimized to support downlink applications. This paper anticipates the emergence of applications where engineering focus shifts from downlink to…