On the block error performance of short-packet non-orthogonal multiple access systems
We develop a new framework to analyze the average block error rate (BLER) of using short-
packet communications in a non-orthogonal multiple access (NOMA) system. In this system …
packet communications in a non-orthogonal multiple access (NOMA) system. In this system …
Priority-based distributed queuing random access mechanism for mMTC/uRLLC terminals coexistence
For mMTC and uRLLC coexistence system, traditional random access techniques cannot
meet the different requirements of the mixed traffic. To tackle this issue, in this paper, a novel …
meet the different requirements of the mixed traffic. To tackle this issue, in this paper, a novel …
BLER-based adaptive Q-learning for efficient random access in NOMA-based mMTC networks
The ever-increasing number of machine-type communications (MTC) devices and the
limited available radio resources are leading to a crucial issue of radio access network …
limited available radio resources are leading to a crucial issue of radio access network …
Online control of two-step random access: A step towards umtc
In machine type communication (MTC), diverse applications requiring high reliability and
low latency lead to the consideration of ultra-reliable and low-latency MTC (uMTC) …
low latency lead to the consideration of ultra-reliable and low-latency MTC (uMTC) …
Comparative investigation on CSMA/CA-based opportunistic random access for Internet of Things
Wireless communication is indispensable to Internet of Things (IoT). Carrier sensing multiple
access/collision avoidance (CSMA/CA) is a well-proven wireless random access protocol …
access/collision avoidance (CSMA/CA) is a well-proven wireless random access protocol …
Message passing-based joint user activity detection and channel estimation for temporally-correlated massive access
This paper studies the user activity detection and channel estimation problem in a
temporally-correlated massive access system where a very large number of users …
temporally-correlated massive access system where a very large number of users …
Non-orthogonal pilot designs with collision detection capability for grant-free access
In this paper we consider a densely deployed phantom cell system providing a low latency
network for massive connectivity. Non-orthogonal pilot designs serve as a promising …
network for massive connectivity. Non-orthogonal pilot designs serve as a promising …
Distributive throughput optimization for massive random access of M2M communications in LTE networks
Machine-to-machine (M2M) communications, which aims to enable autonomous
communication between machine devices with minimum human intervention, have …
communication between machine devices with minimum human intervention, have …
Deep learning-based cellular random access framework
Random access (RA) or preamble collision is one of the crucial problems in massive internet-
of-things (IoT) at the network entry stage. Since a massive number of IoT nodes …
of-things (IoT) at the network entry stage. Since a massive number of IoT nodes …
A probabilistic approach to model SIC based RACH mechanism for machine type communications in cellular networks
In cellular Internet of Things, burst transmissions from millions of machine type
communications (MTC) devices can result in channel congestion. The main bottleneck in …
communications (MTC) devices can result in channel congestion. The main bottleneck in …