109 citations · 109 across the 9 of their papers we have counts for
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Convex Optimization-Based Procedures for Non-Convex Quadratic Problems
Mahmoud Zaher, Emil Björnson
Mathematical optimization plays a fundamental role in signal processing and wireless communications, serving as an essential framework for the systematic design of modern systems.…
Low-Complexity ADMM-Based Multicast Beamforming in Cell-Free Massive MIMO Systems
Mahmoud Zaher, Emil Björnson
The growing demand for efficient delivery of common content to multiple user equipments (UEs) has motivated significant research in physical-layer multicasting. By exploiting the b…
Low-Complexity SDP-ADMM for Physical-Layer Multicasting in Massive MIMO Systems
Mahmoud Zaher, Emil Björnson
There is a demand for the same data content from several user equipments (UEs) in many wireless communication applications. Physical-layer multicasting combines the beamforming cap…
Cell-Free Beamforming Design for Physical Layer Multigroup Multicasting
Mahmoud Zaher, Emil Björnson, Marina Petrova
In many wireless communication applications, it is desirable to transmit the same data to multiple user equipments (UEs). Physical layer multicasting presents an efficient transmis…
Unknown Interference Modeling for Rate Adaptation in Cell-Free Massive MIMO Networks
Mahmoud Zaher, Emil Björnson, Marina Petrova
Co-channel interference poses a challenge in any wireless communication network where the time-frequency resources are reused over different geographical areas. The interference is…
A Bayesian Approach to Characterize Unknown Interference Power in Wireless Networks
Mahmoud Zaher, Emil Björnson, Marina Petrova
The existence of unknown interference is a prevalent problem in wireless communication networks. Especially in multi-user multiple-input multiple-output (MIMO) networks, where a la…
Soft Handover Procedures in mmWave Cell-Free Massive MIMO Networks
Mahmoud Zaher, Emil Björnson, Marina Petrova
This paper considers a mmWave cell-free massive MIMO (multiple-input multiple-output) network composed of a large number of geographically distributed access points (APs) simultane…
Learning-Based Downlink Power Allocation in Cell-Free Massive MIMO Systems
Mahmoud Zaher, Özlem Tuğfe Demir, Emil Björnson +1
This paper considers a cell-free massive multiple-input multiple-output (MIMO) system that consists of a large number of geographically distributed access points (APs) serving mult…