10 citations · 33 across the 23 of their papers we have counts for
8 papers · 1 filter
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…
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…
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…
Reconfigurable Intelligent Surfaces Enhanced NOMA D2D Communications Underlaying UAV Networks
Wali Ullah Khan, Eva Lagunas, Asad Mahmood +3
Device-to-device (D2D) communications offers high spectral efficiency, low energy consumption and transmission latency. However, one of the main limitations of D2D communications i…
RIS-Assisted Energy-Efficient LEO Satellite Communications with NOMA
Wali Ullah Khan, Eva Lagunas, Asad Mahmood +2
This paper proposes an energy-efficient RIS-assisted downlink NOMA communication for LEO satellite networks. The proposed framework simultaneously optimizes the transmit power of g…
Joint Optimization of 3D Placement and Radio Resource Allocation for per-UAV Sum Rate Maximization
Asad Mahmood, Thang X. Vu, Symeon Chatzinotas +1
Unmanned aerial vehicles (UAV) have emerged as a practical solution that provides on-demand services to users in areas where the terrestrial network is non-existent or temporarily…
Multi-Objective Optimization for 3D Placement and Resource Allocation in OFDMA-based Multi-UAV Networks
Asad Mahmood, Thang X. Vu, Shree Krishna Sharma +2
This work considers the orthogonal frequency division multiple access (OFDMA) technology that enables multiple unmanned aerial vehicles (multi-UAV) communication systems to provide…
Energy-Efficient RIS-Enabled NOMA Communication for 6G LEO Satellite Networks
Wali Ullah Khan, Eva Lagunas, Asad Mahmood +2
This paper proposes an energy-efficient RIS-enabled NOMA communication for LEO satellite networks. The proposed framework simultaneously optimizes the transmit power of ground term…