467 citations · 540 across the 25 of their papers we have counts for
28 papers
Matrix Pencil-Based DoA Estimation for Hybrid Receivers in Snapshot-Limited Scenarios
Mona Mostafa, Ramy H. Gohary, Amr El-Keyi +1
The goal of this paper is to estimate the directions of arrival (DoAs) for hybrid analog/digital (HAD) receivers when the number of snapshots is too small for statistical averaging…
Spatial Configuration of Agile Wireless Networks with Drone-BSs and User-in-the-loop
Irem Bor-Yaliniz, Amr El-Keyi, Halim Yanikomeroglu
Agile networking can reduce over-engineering, costs, and energy waste. Towards that end, it is vital to exploit all degrees of freedom of wireless networks efficiently, so that ser…
3D Placement of an Unmanned Aerial Vehicle Base Station for Maximum Coverage of Users with Different QoS Requirements
Mohamed Alzenad, Amr El-Keyi, Halim Yanikomeroglu
The need for a rapid-to-deploy solution for providing wireless cellular services can be realized by unmanned aerial vehicle base stations (UAV-BSs). To the best of our knowledge, t…
3D Placement of an Unmanned Aerial Vehicle Base Station (UAV-BS) for Energy-Efficient Maximal Coverage
Mohamed Alzenad, Amr El-Keyi, Faraj Lagum +1
Unmanned Aerial Vehicle mounted base stations (UAV-BSs) can provide wireless services in a variety of scenarios. In this letter, we propose an optimal placement algorithm for UAV-B…
Degrees of Freedom in Cached MIMO Relay Networks With Multiple Base Stations
Osama A. Hanna, Amr El-Keyi, Mohammed Nafie
The ability of physical layer relay caching to increase the degrees of freedom (DoF) of a single cell was recently illustrated. In this paper, we extend this result to the case of…
Optimal Beamforming for MIMO Shared Relaying in Downlink Cellular Networks with ARQ
Ahmed Raafat Hosny, Ramy Abdallah Tannious, Amr El-Keyi
In this paper, we study the performance of the downlink of a cellular network with automatic repeat-request (ARQ) and a half duplex decode-and-forward shared relay. In this system,…