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20112026
most citedChannel Estimation for RIS-Empowered Multi-User MISO Wireless Communications

725 citations · 3k across the 227 of their papers we have counts for

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8 papers · 1 filter

cs.IT2017

Jointly Optimal Spatial Channel Assignment and Power Allocation for MIMO SWIPT Systems

Deepak Mishra, George C. Alexandropoulos

The joint design of spatial channel assignment and power allocation in Multiple Input Multiple Output (MIMO) systems capable of Simultaneous Wireless Information and Power Transfer…

cs.IT2017

Harvested Power Maximization in QoS-Constrained MIMO SWIPT with Generic RF Harvesting Model

Deepak Mishra, George C. Alexandropoulos

We consider the problem of maximizing the harvested power in Multiple Input Multiple Output (MIMO) Simultaneous Wireless Information and Power Transfer (SWIPT) systems with power s…

cs.IT2017

Secrecy Outage Analysis over Correlated Composite Nakagami-/Gamma Fading Channels

George C. Alexandropoulos, Kostas P. Peppas

The secrecy outage performance of wireless communication systems operating over spatially correlated composite fading channels is analyzed in this paper. We adopt a multiplicative…

cs.IT2017

Energy-aware Mode Selection for Throughput Maximization in RF-Powered D2D Communications

Deepak Mishra, Swades De, George C. Alexandropoulos +1

Doubly-near-far problem in RF-powered networks can be mitigated by choosing appropriate device-to-device (D2D) communication mode and implementing energy-efficient information tran…

cs.IT2017

Joint Design of Multi-Tap Analog Cancellation and Digital Beamforming for Reduced Complexity Full Duplex MIMO Systems

George C. Alexandropoulos, Melissa Duarte

Incorporating full duplex operation in Multiple Input Multiple Output (MIMO) systems provides the potential of boosting throughput performance. However, the hardware complexity of…

cs.IT2017

On the Robustness of Coordinated Beamforming to Uncoordinated Interference and CSI Uncertainty

George C. Alexandropoulos, Paul Ferrand, Constantinos B. Papadias

As network deployments become denser, interference arises as a dominant performance degradation factor. To confront with this trend, Long Term Evolution (LTE) incorporated features…

cs.IT2017

Secure communications with cooperative jamming: Optimal power allocation and secrecy outage analysis

Kanapathippillai Cumanan, George C. Alexandropoulos, Zhgiuo Ding +1

This paper studies the secrecy rate maximization problem of a secure wireless communication system, in the presence of multiple eavesdroppers. The security of the communication lin…

cs.IT2017

Position Aided Beam Alignment for Millimeter Wave Backhaul Systems with Large Phased Arrays

George C. Alexandropoulos

Wireless backhaul communication has been recently realized with large antennas operating in the millimeter wave (mmWave) frequency band and implementing highly directional beamform…