Near-Field Channel Estimation for Ultra-Massive MIMO Antenna Array with Hybrid Architecture. - Ahmed Hussain 001; Asmaa Abdallah; Ahmed M. Eltawil (WCNC, 2024)

Joint Motion, Angle, and Range Estimation in Near-Field under Array Calibration Imperfections. - Ahmed Hussain 001; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (IEEECONF, 2025)

Near-Field Beam Prediction Using Far-Field Codebooks in Ultra-Massive MIMO Systems. - Ahmed Hussain 001; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (ICC, 2025)

Analyzing URA Geometry for Enhanced Spatial Multiplexing and Extended Near-Field Coverage. - Ahmed Hussain 001; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (PIMRC, 2025)

Exploring Frontiers of Polar-Domain Codebooks for Near-Field Channel Estimation and Beam Training: A comprehensive analysis, case studies, and implications for 6G. - Asmaa Abdallah; Ahmed Hussain 001; Abdulkadir Celik; Ahmed M. Eltawil (IEEE Signal Process. Mag., 2025)

Near-Field ISAC: Synergy of Dual-Purpose Codebooks and Space-Time Adaptive Processing. - Ahmed Hussain 001; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (IEEE Wirel. Commun., 2025)

Redefining Polar Boundaries for Near-Field Channel Estimation for Ultra-Massive MIMO Antenna Array. - Ahmed Hussain 001; Asmaa Abdallah; Ahmed M. Eltawil (IEEE Trans. Wirel. Commun., 2025)

Uniform Circular Arrays in Near-Field: Omnidirectional Coverage With Limited Capacity. - Ahmed Hussain 001; Asmaa Abdallah; Abdulkadir Celik; Ahmed M. Eltawil (IEEE Commun. Lett., 2026)

Analyzing URA Geometry for Enhanced Near-Field Beamfocusing and Spatial Degrees of Freedom. - Ahmed Hussain 001; Asmaa Abdallah; Abdulkadir Celik; Emil Björnson; Ahmed M. Eltawil (IEEE Trans. Commun., 2026)

Sparse Array Design for Near-Field MU-MIMO: Reconfigurable Array Thinning Approach. - Ahmed Hussain 001; Asmaa Abdallah; Abdulkadir Celik; Emil Björnson; Ahmed M. Eltawil (IEEE Wirel. Commun. Lett., 2026)