This paper proposes some low complexity algorithms for active user detection (AUD),
channel estimation (CE) and multi-user detection (MUD) in uplink non-orthogonal multiple …

This paper presents an initial investigation of deep learning (DL) for multi-user detection in
non-orthogonal multiple access (NOMA) wireless systems. In NOMA systems, the …

In fifth-generation wireless communication networks, Non-Orthogonal Multiple Access
(NOMA) has attracted much attention in both academic and industrial fields because of its …

Non-orthogonal multiple access (NOMA) has been regarded as one of the promising key
technologies for future 5G systems. In the uplink grant-free NOMA schemes, dynamic …

In this paper, we propose an activity detection method for uplink grant-free non-orthogonal
multiple access (GF-NOMA) systems under imperfect frequency synchronization between …

The Internet of Things (IoT) framework requires a massive number of connection thus
demanding spectral efficient solutions such as Non-Orthogonal Multiple Access (NOMA) …

Grant-free non-orthogonal multiple access (NOMA) scheme is considered as a promising
candidate for the enabling of massive connectivity and reduced signalling overhead for …

Uplink grant-free non-orthogonal multiple access (NOMA) is promising for machine-to-
machine (M2M) communications to meet the requirement of sporadic short packets …

Non-orthogonal multiple access (NOMA) scheme has been found to exhibit the ability of
supporting massive connectivity of multiple users by employing the same, non-orthogonal …

In this letter, the non-coherent grant-free non-orthogonal multiple access transmission in the
block fading channel is studied, and a transmission scheme using pilot and channel block …