Enabling grant-free URLLC: An overview of principle and enhancements by massive MIMO
J Ding, M Nemati, SR Pokhrel, OS Park… - IEEE Internet of …, 2021 - ieeexplore.ieee.org
Enabling ultrareliable low-latency communication (URLLC) with stringent requirements for
transmitting data packets (eg, 99.999% reliability and 1-ms latency) presents considerable …
transmitting data packets (eg, 99.999% reliability and 1-ms latency) presents considerable …
UAV-aided backscatter communications: Performance analysis and trajectory optimization
In 5G massive machine-type communication (mMTC), power-limited or battery-free parasite
devices such as radio frequency identification (RFID) tags, can use the transmitted signals …
devices such as radio frequency identification (RFID) tags, can use the transmitted signals …
Algorithm unrolling for massive access via deep neural networks with theoretical guarantee
Massive access is a critical design challenge of Internet of Things (IoT) networks. In this
paper, we consider the grant-free uplink transmission of an IoT network with a multiple …
paper, we consider the grant-free uplink transmission of an IoT network with a multiple …
Analysis of non-orthogonal sequences for grant-free RA with massive MIMO
Massive MIMO based grant-free random access (mGFRA) is a promising RA technique for
massive access with low signaling overhead. However, due to a limited orthogonal …
massive access with low signaling overhead. However, due to a limited orthogonal …
A GCICA grant-free random access scheme for M2M communications in crowded massive MIMO systems
H Han, L Fang, W Lu, W Zhai, Y Li… - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
A novel grant-free random access scheme with a high success rate is proposed to support
massive access for machine-to-machine communications in massive multiple-input–multiple …
massive access for machine-to-machine communications in massive multiple-input–multiple …
Multiagent reinforcement learning meets random access in massive cellular internet of things
Internet of Things (IoT) has attracted considerable attention in recent years due to its
potential of interconnecting a large number of heterogeneous wireless devices. However, it …
potential of interconnecting a large number of heterogeneous wireless devices. However, it …
A grant-free random access scheme for M2M communication in massive MIMO systems
H Han, Y Li, W Zhai, L Qian - IEEE Internet of Things Journal, 2020 - ieeexplore.ieee.org
A novel grant-free random access scheme is proposed to support massive connectivity with
low access delay and overhead for machine-to-machine communication in massive multiple …
low access delay and overhead for machine-to-machine communication in massive multiple …
Low-complexity joint activity detection and channel estimation with partially orthogonal pilot for asynchronous massive access
Y Guo, Z Liu, Y Sun - IEEE Internet of Things Journal, 2023 - ieeexplore.ieee.org
In the asynchronous massive machine-type communications (mMTCs) supported by
massive MIMO-based grant-free random access, where all active devices asynchronously …
massive MIMO-based grant-free random access, where all active devices asynchronously …
An approach to preamble collision reduction in grant-free random access with massive MIMO
J Choi - IEEE Transactions on Wireless Communications, 2020 - ieeexplore.ieee.org
In this paper, we study grant-free random access with massive multiple input multiple output
(MIMO) systems. We first show that the performance of massive MIMO based grant-free …
(MIMO) systems. We first show that the performance of massive MIMO based grant-free …
Machine learning enabled preamble collision resolution in distributed massive MIMO
Preamble collision is a bottleneck that impairs the performance of random access (RA) user
equipment (UE) in grant-free RA (GFRA). In this paper, by leveraging distributed massive …
equipment (UE) in grant-free RA (GFRA). In this paper, by leveraging distributed massive …