Joint delay and user activity detection in asynchronous massive access

S Derya, SC Yu, HW Young… - 2024 33rd Wireless …, 2024 - ieeexplore.ieee.org
Massive access plays an important role in establishing future 6G networks. In an
asynchronous massive multiple-access channel (MAC) where user activities and channel …

An Approach to Asynchronous Unsourced Random Access (URA)

A Karami, I Pazouki, R Soltani… - 2024 IEEE Wireless …, 2024 - ieeexplore.ieee.org
In this paper, we propose an approach to construct a fully asynchronous unsourced random
access (URA) communication system. In addition to the typical characteristics of a URA …

Unsourced Random Access: A Recent Paradigm for Massive Connectivity

M Ozates, MJ Ahmadi, M Kazemi… - ar** Sets for Asynchronous Unsourced Multiple Access
F Ritter, J Mandelbaum, A Fengler, H Jäkel… - ar** sets in joint factor graphs
describing a frame-asynchronous two-user transmission. Furthermore, we propose an …