Compressive sensing-based grant-free massive access for 6G massive communication

Z Gao, M Ke, Y Mei, L Qiao, S Chen… - IEEE Internet of …, 2023 - ieeexplore.ieee.org
The advent of the sixth-generation (6G) of wireless communications has given rise to the
necessity to connect vast quantities of heterogeneous wireless devices, which requires …

Joint pilot allocation and robust transmission design for ultra-dense user-centric TDD C-RAN with imperfect CSI

C Pan, H Mehrpouyan, Y Liu… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
This paper considers the unavailability of complete channel state information (CSI) in ultra-
dense cloud radio access networks. The user-centric cluster is adopted to reduce the …

Small cell cluster-based resource allocation for wireless backhaul in two-tier heterogeneous networks with massive MIMO

W Hao, S Yang - Ieee transactions on vehicular technology, 2017 - ieeexplore.ieee.org
In this paper, we investigate the resource allocation problem in two-tier heterogenous
networks (HetNets) with massive MIMO, where two frequency bands, cellular frequency …

Location-aided pilot contamination avoidance for massive MIMO systems

LS Muppirisetty, T Charalambous… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Pilot contamination, defined as the interference during the channel estimation process due
to reusing the same pilot sequences in neighboring cells, can severely degrade the …

Fingerprint-based localization and channel estimation integration for cell-free massive MIMO IoT systems

C Wei, K Xu, Z Shen, X Xia, C Li, W Xie… - IEEE Internet of …, 2022 - ieeexplore.ieee.org
In this article, we propose a novel localization and channel estimation integration framework
for cell-free massive multiple-input–multiple-output (MIMO) Internet of Things (IoT) systems …

Performance analysis on cell-free massive MIMO with capacity-constrained fronthauls and variable-resolution ADCs

Y Xiong, S Sun, L Qin, N Wei, L Liu… - IEEE Systems …, 2021 - ieeexplore.ieee.org
In the recently proposed cell-free massive multiple-input and multiple-output (MIMO)
networks, the capacity of fronthaul links connecting all access points (APs) and a central …

Location-aware pilot allocation in multicell multiuser massive MIMO networks

N Akbar, S Yan, N Yang, J Yuan - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
We propose a location-aware pilot allocation algorithm for a massive multiple-input multiple-
output (MIMO) network with high-mobility users, where the wireless channels are subject to …

Dynamic small cell clustering and non-cooperative game-based precoding design for two-tier heterogeneous networks with massive MIMO

W Hao, O Muta, H Gacanin… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, we investigate the dynamic small cell (SC) clustering strategy and their
precoding design problem for interference coordination in two-tier heterogeneous networks …

Mitigating pilot contamination through location-aware pilot assignment in massive MIMO networks

N Akbar, S Yan, N Yang, J Yuan - 2016 IEEE Globecom …, 2016 - ieeexplore.ieee.org
We propose a novel location-aware pilot assignment scheme to mitigate pilot contamination
in massive multiple-input multiple-output (MIMO) networks, where the channels are …

Joint user identification and channel estimation over rician fading channels

L Wu, Z Zhang, J Dang, Y Wu, H Liu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper considers crowded massive multiple input multiple output (MIMO)
communications over a Rician fading channel, where the number of users is much greater …