A review of sparse recovery algorithms

EC Marques, N Maciel, L Naviner, H Cai, J Yang - IEEE access, 2018 - ieeexplore.ieee.org
Nowadays, a large amount of information has to be transmitted or processed. This implies
high-power processing, large memory density, and increased energy consumption. In …

Non-coherent and backscatter communications: Enabling ultra-massive connectivity in 6G wireless networks

SJ Nawaz, SK Sharma, B Mansoor, MN Patwary… - IEEE …, 2021 - ieeexplore.ieee.org
With the commencement of the 5 th generation (5G) of wireless networks, researchers
around the globe have started paying their attention to the imminent challenges that may …

The potential short-and long-term disruptions and transformative impacts of 5G and beyond wireless networks: Lessons learnt from the development of a 5G testbed …

MN Patwary, SJ Nawaz, MA Rahman, SK Sharma… - Ieee …, 2020 - ieeexplore.ieee.org
The capacity and coverage requirements for 5 th generation (5G) and beyond wireless
connectivity will be significantly different from the predecessor networks. To meet these …

On orthogonal and superimposed pilot schemes in massive MIMO NOMA systems

J Ma, C Liang, C Xu, L Ping - IEEE Journal on Selected Areas …, 2017 - ieeexplore.ieee.org
This paper is concerned with pilot transmission schemes in a large antenna system with non-
orthogonal multiple-access (NOMA). We investigate two pilot structures-orthogonal pilot …

Efficient compressive sensing based sparse channel estimation for 5G massive MIMO systems

I Khan, D Singh - AEU-International Journal of Electronics and …, 2018 - Elsevier
Massive MIMO (multiple-input-multiple-output) is one of the key technologies of 5G mobile
cellular networks, which can form a huge antenna array by providing a large number of …

Spectral and energy efficient low-overhead uplink and downlink channel estimation for 5G massive MIMO systems

I Khan, MH Zafar, MT Jan, J Lloret, M Basheri, D Singh - Entropy, 2018 - mdpi.com
Uplink and Downlink channel estimation in massive Multiple Input Multiple Output (MIMO)
systems is an intricate issue because of the increasing channel matrix dimensions. The …

Equivalent MIMO Channel Matrix Sparsification for Enhancement of Sensor Capabilities

M Bakulin, V Kreyndelin, S Melnik, V Sudovtsev… - Sensors, 2022 - mdpi.com
One of the development directions of new-generation mobile communications is using
multiple-input multiple-output (MIMO) channels with a large number of antennas. This …

Efficient implementations for orthogonal matching pursuit

H Zhu, W Chen, Y Wu - Electronics, 2020 - mdpi.com
Based on the efficient inverse Cholesky factorization, we propose an implementation of OMP
(called as version 0, ie, v0) and its four memory-saving versions (ie, the proposed v1, v2, v3 …

Pilot decontamination in multi-cell massive MIMO systems via combining semi-blind channel estimation with pilot assignment

C Hu, H Wang, R Song - IEEE Access, 2020 - ieeexplore.ieee.org
In the multi-cell massive multiple-input multiple-output (MIMO) systems, the mitigation of pilot
contamination is an important issue in the semi-blind channel estimations. For the pilot …

Spatial modeling of interference in inter-vehicular communications for 3-D volumetric wireless networks

A Raza, SJ Nawaz, S Wyne, A Ahmed, MA Javed… - IEEE …, 2020 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) assisted cell-free communications hold promise for
enhancing the coverage and capacity of heterogeneous cellular networks. However, the …