activity
20062026
most citedOptimal Multiuser Transmit Beamforming: A Difficult Problem with a Simple Solution Structure

611 citations · 4.1k across the 145 of their papers we have counts for

collaborators
Showing 2023Show all

17 papers · 1 filter

eess.SP2023★ 4 cited

Joint Computation and Communication Resource Optimization for Beyond Diagonal UAV-IRS Empowered MEC Networks

Asad Mahmood, Thang X. Vu, Wali Ullah Khan +2

Recent advancements in 6G systems signal a leap towards universal connectivity and ultra-reliable, low-latency communications for real-time data devices. Yet, these advancements en…

eess.SP2023★ 1 cited

Reconfigurable Intelligent Surfaces for 6G Non-Terrestrial Networks: Assisting Connectivity from the Sky

Wali Ullah Khan, Asad Mahmood, Chandan Kumar Sheemar +3

This paper studies the potential of RIS-integrated NTNs to revolutionize the next-generation connectivity. First, it discusses the fundamentals of RIS technology. Secondly, it delv…

cs.LG2023

Flexible Payload Configuration for Satellites using Machine Learning

Marcele O. K. Mendonca, Flor G. Ortiz-Gomez, Jorge Querol +5

Satellite communications, essential for modern connectivity, extend access to maritime, aeronautical, and remote areas where terrestrial networks are unfeasible. Current GEO system…

eess.SP2023

Deep Reinforcement Learning for Backscatter Communications: Augmenting Intelligence in Future Internet of Things

Wali Ullah Khan, Eva Lagunas, Zain Ali +5

Backscatter communication (BC) technology offers sustainable solutions for next-generation Internet-of-Things (IoT) networks, where devices can transmit data by reflecting and adju…

cs.IT2023

Perpetual Reconfigurable Intelligent Surfaces Through In-Band Energy Harvesting: Architectures, Protocols, and Challenges

Konstantinos Ntontin, Alexandros-Apostolos A. Boulogeorgos, Sergi Abadal +3

Reconfigurable intelligent surfaces (RISs) are considered to be a key enabler of highly energy-efficient 6G and beyond networks. This property arises from the absence of power ampl…

cs.IT2023

Joint Device Identification, Channel Estimation, and Signal Detection for LEO Satellite-Enabled Random Access

Boxiao Shen, Yongpeng Wu, Wenjun Zhang +2

This paper investigates joint device identification, channel estimation, and signal detection for LEO satellite-enabled grant-free random access, where a multiple-input multipleout…