13 citations · 30 across the 12 of their papers we have counts for
12 papers
CR-Enabled NOMA Integrated Non-Terrestrial IoT Networks with Transmissive RIS
Wali Ullah Khan, Zain Ali, Asad Mahmood +3
This work proposes a T-RIS-equipped LEO satellite communication in cognitive radio-enabled integrated NTNs. In the proposed system, a GEO satellite operates as a primary network, a…
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…
Rate Splitting Multiple Access for Cognitive Radio GEO-LEO Co-Existing Satellite Networks
Wali Ullah Khan, Zain Ali, Eva Lagunas +2
LEO satellite communication has drawn particular attention recently due to its high data rate services and low round-trip latency. It is low-cost to launch and can provide global c…
Rate Splitting Multiple Access for Next Generation Cognitive Radio Enabled LEO Satellite Networks
ali Ullah Khan, Zain Ali, Eva Lagunas +6
This paper proposes a cognitive radio enabled LEO SatCom using RSMA radio access technique with the coexistence of GEO SatCom network. In particular, this work aims to maximize the…
Cooperative Backscatter NOMA with Imperfect SIC: Towards Energy Efficient Sum Rate Maximization in Sustainable 6G Networks
Manzoor Ahmed, Zain Ali, Wali Ullah Khan +5
The combination of backscatter communication with non-orthogonal multiple access (NOMA) has the potential to support low-powered massive connections in upcoming sixth-generation (6…
Integration of NOMA with Reflecting Intelligent Surfaces: A Multi-cell Optimization with SIC Decoding Errors
Wali Ullah Khan, Eva Lagunas, Asad Mahmood +3
Reflecting intelligent surfaces (RIS) has gained significant attention due to its high energy and spectral efficiency in next-generation wireless networks. By using low-cost passiv…
NOMA-enabled Backscatter Communications for Green Transportation in Automotive-Industry 5.0
Wali Ullah Khan, Asim Ihsan, Tu N. Nguyen +2
Automotive-Industry 5.0 will use emerging 6G communications to provide robust, computationally intelligent, and energy-efficient data sharing among various onboard sensors, vehicle…
Opportunities for Physical Layer Security in UAV Communication Enhanced with Intelligent Reflective Surfaces
Wali Ullah Khan, Eva Lagunas, Zain Ali +5
Unmanned Aerial Vehicles (UAVs) are an important component of next-generation wireless networks that can assist in high data rate communications and provide enhanced coverage.Their…
Integration of Backscatter Communication with Multi-cell NOMA: A Spectral Efficiency Optimization under Imperfect SIC
Wali Ullah Khan, Eva Lagunas, Asad Mahmood +4
Future wireless networks are expected to connect large-scale low-powered communication devices using the available spectrum resources. Backscatter communications (BC) is an emergin…
Power Allocation and User Assignment Scheme for Beyond 5G Heterogeneous Networks
Khush Bakht, Furqan Jameel, Zain Ali +4
The issue of spectrum scarcity in wireless networks is becoming prominent and critical with each passing year. Although several promising solutions have been proposed to provide a…
Enhancing Physical Layer Security in AF Relay Assisted Multi-Carrier Wireless Transmission
Waqas Aman, Guftaar Ahmad Sardar Sidhu, Haji M. Furqan +1
In this paper, we study the physical layer security (PLS) problem in the dual hop orthogonal frequency division multiplexing (OFDM) based wireless communication system. First, we c…