Research

Quantum Computing-Assisted Channel Estimation for Massive MIMO mmWave Systems
Quantum computing (QC)-assisted algorithms promise exponential increase in the computational efficiency, enabling instant solution of …
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Towards 6G: Spectrally efficient joint radar and communication with radio frequency selection, interference and hardware impairments
The joint radar‐comm unication (JRC) system is env isioned as an emerging sixth gener- ation (6G) technolog y to tack le spectral …
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Energy-Efficiency Maximization of Hybrid Massive MIMO Precoding With Random-Resolution DACs via RF Selection
Energy-efficiency (EE) is identified as a key 5G metric and will have a major impact on the hybrid beam- forming system design. The most …
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Joint Bit Allocation and Hybrid Beamforming Optimization for Energy Efficient Millimeter Wave MIMO Systems
In this article, we aim to design highly energy efficient end-to-end communication for millimeter wave multiple- input multiple-output …
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A Hardware Architecture For Reconfigurable Intelligent Surfaces with Minimal Active Elements for Explicit Channel Estimation
Intelligent surfaces comprising of cost effective, nearly pas- sive, and reconfigurable unit elements are lately gaining in- creasing …
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Joint Localization and Channel Estimation for UAV-Assisted Millimeter Wave Communications
In this paper, we consider millimeter Wave (mmWave) communications between an Unmanned Aerial Ve- hicle (UA V) and a base station. By …
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Radio-frequency chain selection for energy and spectral efficiency maximization in hybrid beamforming under hardware imperfections
The next-generation wireless communications require reduced energy consumption, increased data rates and better signal coverage. The …
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Wideband Channel Tracking for Millimeter Wave Massive Mimo Systems with Hybrid Beamforming Reception
Millimeter Wave (mmWave) massive Multiple Input Multi- ple Output (MIMO) channel tracking is a challenging task with Hybrid analog and …
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Dynamic RF Chain Selection for Energy Efficient and Low Complexity Hybrid Beamforming in Millimeter Wave MIMO Systems
This paper proposes a novel architecture with a framework that dynamically activates the optimal number of radio frequency (RF) chains …
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Energy Efficiency Maximization of Millimeter Wave Hybrid MIMO Systems with Low Resolution DACs
This paper proposes an energy efficient millimeter wave (mmW ave) hybrid multiple-input multiple-output (MIMO) beamformer with low …
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