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cs.IT2024
Unsourced Random Access: A Comprehensive Survey
Mert Ozates, Mohammad Javad Ahmadi, Mohammad Kazemi +2
Multiple access communication systems enable numerous users to share common communication resources, playing a crucial role in wireless networks. With the emergence of the sixth ge…
cs.IT2024
RIS-Aided Unsourced Multiple Access (RISUMA): Coding Strategy and Performance Limits
Mohammad Javad Ahmadi, Mohammad Kazemi, Tolga M. Duman
This paper considers an unsourced random access (URA) set-up equipped with a passive reconfigurable intelligent surface (RIS), where a massive number of unidentified users (only a…
cs.IT2024
An ODMA-Based Unsourced Random Access Scheme with a Multiple Antenna Receiver
Mert Ozates, Mohammad Kazemi, Tolga M. Duman
We investigate the unsourced random access scheme assuming that the base station is equipped with multiple antennas, and propose a high-performing solution utilizing on-off-divisio…