User-centric cell-free massive MIMO networks: A survey of opportunities, challenges and solutions

HA Ammar, R Adve, S Shahbazpanahi… - … Surveys & Tutorials, 2021 - ieeexplore.ieee.org
Densification of network base stations is indispensable to achieve the stringent Quality of
Service (QoS) requirements of future mobile networks. However, with a dense deployment of …

Cooperative routing in wireless networks: A comprehensive survey

F Mansourkiaie, MH Ahmed - IEEE Communications Surveys & …, 2014 - ieeexplore.ieee.org
Cooperative diversity has gained much interest due to its ability to mitigate multipath fading
without using multiple antennas. There has been considerable research on how cooperative …

Downlink resource allocation in multiuser cell-free MIMO networks with user-centric clustering

HA Ammar, R Adve, S Shahbazpanahi… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
In this paper, we optimize user scheduling, power allocation and beamforming in distributed
multiple-input multiple-output (MIMO) networks implementing user-centric clustering. We …

Distributed resource allocation optimization for user-centric cell-free MIMO networks

HA Ammar, R Adve, S Shahbazpanahi… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
We develop two distributed downlink resource allocation algorithms for user-centric, cell-
free, spatially-distributed, multiple-input multiple-output (MIMO) networks. In such networks …

Optimizing downlink resource allocation in multiuser MIMO networks via fractional programming and the hungarian algorithm

AA Khan, RS Adve, W Yu - IEEE transactions on wireless …, 2020 - ieeexplore.ieee.org
Optimizing the sum-log-utility for the downlink of multi-frequency band, multiuser,
multiantenna networks requires joint solutions to the associated beamforming and user …

C-RAN uplink optimization using mixed radio and FSO fronthaul

K Ahmed, S Hranilovic - Journal of Optical Communications and …, 2018 - opg.optica.org
Cloud radio access networks (C-RANs) are a promising architecture for 5G systems in which
simple radio units (RUs) fronthaul signal to a central processor (CP) for joint decoding …

Resource allocation and scheduling in non-coherent user-centric cell-free MIMO

HA Ammar, R Adve, S Shahbazpanahi… - ICC 2021-IEEE …, 2021 - ieeexplore.ieee.org
We study the problem of user-scheduling and resource allocation in distributed multi-user,
multiple-input multiple-output (MIMO) networks implementing user-centric clustering and …

Percentile Optimization in Wireless Networks—Part II: Beamforming for Cell-Edge Throughput Maximization

AA Khan, RS Adve - IEEE Transactions on Signal Processing, 2024 - ieeexplore.ieee.org
Part I of this two-part paper focused on the formulation of percentile problems, complexity
analysis, and development of power control algorithms via the quadratic fractional transform …

Global Optimization of Long-Term Average Proportional Fair Throughput via Convex Reformulation

AA Khan, R Adve, AB Sediq… - IEEE Signal Processing …, 2023 - ieeexplore.ieee.org
Long-term average proportional-fair (LTAPF) throughput optimization through power control
is a popular resource allocation problem which is typically approximated by weighted sum …

Adaptive partitioned interference management in cellular networks

B Golkar, E Sousa - 2012 IEEE Global Communications …, 2012 - ieeexplore.ieee.org
This paper proposes an adaptive and scalable approach to resource allocation in cellular
networks. We introduce an adaptive strategy to form clusters of coordinating base stations …