A grant-based random access scheme with low latency for mMTC in IoT networks

J Liu, X Wang - IEEE Internet of Things Journal, 2023 - ieeexplore.ieee.org
The design of transmission schemes and receiver techniques with high reliability and low
latency for the massive machine-type communications (mMTCs) is an important challenge …

User activity detection for irregular repetition slotted ALOHA based MMTC

CR Srivatsa, CR Murthy - IEEE Transactions on Signal …, 2022 - ieeexplore.ieee.org
Irregular repetition slotted aloha (IRSA) is a grant-free random access protocol for massive
machine-type communications, in which users transmit replicas of their packet in randomly …

An energy-efficient feedback-aided irregular repetition slotted ALOHA scheme and its asymptotic performance analysis

J Haghighat, TM Duman - IEEE Transactions on Wireless …, 2023 - ieeexplore.ieee.org
We present a decentralized feedback-aided Irregular Repetition Slotted ALOHA (IRSA)
scheme that improves energy efficiency. The scheme divides the IRSA MAC frame into …

Irregular Repetition Slotted ALOHA Scheme With Short Packets Under Rayleigh Fading Channels

Y Feng, Z Chen, Y Jia, Z Tian, L Zhen… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Irregular repetition slotted ALOHA (IRSA) has attracted widespread attention as a promising
modern access protocol for machine-type communications (MTC). Since IRSA is a typical …

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 …

ALOHA With SIC-Aided Collision Resolution

JB Seo, Y Hu, H Jin, S De - IEEE Internet of Things Journal, 2024 - ieeexplore.ieee.org
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 …

Exploiting Device Heterogeneity in Grant-Free Random Access: A Data-Driven Approach

A Jeannerot, M Egan, JM Gorce - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Grant-free random access (GFRA) is now a popular protocol for large-scale wireless multiple
access systems in order to reduce control signaling. Resource allocation in GFRA can be …

Distributed scheduling for status update with heterogeneous services under the IRSA protocol

WC Huang, YC Huang, KY Lin… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
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 …

Long-Term Decision-Optimal Access Mechanism in the Large-Scale Satellite Network: A Multi-Agent Reinforcement Learning Approach

B Zhang, Y Gu, Y Wang, Z Yang - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
The large-scale Low Earth Orbit (LEO) satellite network presents an obvious challenge for
user access with obviously dynamical coverage resulting from the fast-changing locations of …

Multi-Armed-Bandit-based Framed Slotted Aloha for Throughput Optimization

N Peng, L Dai - IEEE Communications Letters, 2024 - ieeexplore.ieee.org
In this letter, a Multi-Armed-Bandit (MAB) framework is proposed for maximizing the network
throughput of Framed Slotted Aloha (FSA). The throughput analysis shows that even with the …