Deep-reinforcement-learning-based NOMA-aided slotted ALOHA for LEO satellite IoT networks
The low earth orbit (LEO) satellites have received extensive attention as an essential
supplement to the terrestrial network for supporting global Internet of Things (IoT) services …
supplement to the terrestrial network for supporting global Internet of Things (IoT) services …
Coded demixing for unsourced random access
Unsourced random access (URA) is a recently proposed multiple access paradigm tailored
to the uplink channel of machine-type communication networks. By exploiting a strong …
to the uplink channel of machine-type communication networks. By exploiting a strong …
NOMA-Based ALOHA Protocol for Air-to-Ground Communications With Maximum Transmit Power Limits
Non-orthogonal multiple access (NOMA) techniques can recover collided signals
simultaneously transmitted from different users that select different target received signal …
simultaneously transmitted from different users that select different target received signal …
Enhanced irregular repetition slotted ALOHA under SIC limitation
SL Shieh, SH Yang - IEEE Transactions on Communications, 2022 - ieeexplore.ieee.org
Uncoordinated multiple access has been proposed as a modern technique to provide
massive connectivity. Among many proposals, irregular repetition slotted ALOHA (IRSA) was …
massive connectivity. Among many proposals, irregular repetition slotted ALOHA (IRSA) was …
Resilient Massive Access for SAGIN: A Deep Reinforcement Learning Approach
In the visionary ideals of “Internet of Everything” and “Digital Twins”, the future 6G will deeply
integrate diverse heterogeneous networks such as satellite and aerial networks to support …
integrate diverse heterogeneous networks such as satellite and aerial networks to support …
Irregular Repetition Slotted ALOHA over Rayleigh Block Fading Channels: Bounds and Threshold Saturation via Spatial Coupling
Y Takahashi, G Song, T Kimura, J Cheng - IEEE Access, 2023 - ieeexplore.ieee.org
In irregular repetition slotted ALOHA (IR-SA) systems, a population of devices transmits their
packets to an access point (AP) within a frame of slots. The AP decodes these packets by …
packets to an access point (AP) within a frame of slots. The AP decodes these packets by …
ALOHA With SIC-Aided Collision Resolution
ALOHA can be a viable solution as a light-weight medium access control (MAC) protocol in
low power wide area networks (LPWAN) for Internet-of-Things (IoT). However, the maximum …
low power wide area networks (LPWAN) for Internet-of-Things (IoT). However, the maximum …
Understanding Inter-and Intra-Cluster Concurrent Transmissions for IoT Uplink Traffic in MIMO-NOMA Networks: A DTMC Analysis
To enable concurrent transmissions for Internet of Things (IoT) traffic in multiantenna beyond
fifth generation networks, nonorthogonal multiple access (NOMA) mechanisms appear as a …
fifth generation networks, nonorthogonal multiple access (NOMA) mechanisms appear as a …
Distributed scheduling for status update with heterogeneous services under the IRSA protocol
The peak age-of-information (AoI) performance in irregular repetition slotted ALOHA (IRSA)
is revisited in this paper with a particular focus on heterogeneous networks, where types of …
is revisited in this paper with a particular focus on heterogeneous networks, where types of …
Raptor-IRSA Grant-free Random Access protocol for smart grids applications
AEL Rivas, T Abrão - Computer Networks, 2023 - Elsevier
This paper deals with the reliability of random access (RA) protocols for massive wireless
smart grid communication (m-SGC). We propose and analyze an improved grant-free RA …
smart grid communication (m-SGC). We propose and analyze an improved grant-free RA …