Tabu search vs. bio-inspired algorithms for antenna selection in spatially correlated massive MIMO uplink channels. - Zaid Abdullah; Charalampos C. Tsimenidis; Martin Johnston (EUSIPCO, 2016)

Quantum-inspired Tabu Search algorithm for antenna selection in massive MIMO systems. - Zaid Abdullah; Charalampos C. Tsimenidis; Martin Johnston (WCNC, 2018)

Cell-Edge-Aware Antenna Selection and Power Allocation in Massive MIMO Systems. - Zaid Abdullah; Charalampos C. Tsimenidis; Mahmoud Alageli; Martin Johnston; Gaojie Chen; Jonathon A. Chambers (GLOBECOM, 2019)

Optimal Fairness in Device Pairing with Antenna Selection for Uplink NOMA in Massive M2M Networks. - Zaid Abdullah; Gaojie Chen; Jonathon A. Chambers (WCSP, 2019)

Performance Analysis of Cognitive Clustered M2M Random Networks With Joint User and Machine Device Selection. - Mohammed A. M. Abdullah; Zaid Abdullah; Gaojie Chen; Jie Tang 002; Jonathon A. Chambers (IEEE Access, 2019)

Efficient Low-Complexity Antenna Selection Algorithms in Multi-User Massive MIMO Systems With Matched Filter Precoding. - Zaid Abdullah; Charalampos C. Tsimenidis; Gaojie Chen; Martin Johnston; Jonathon A. Chambers (IEEE Trans. Veh. Technol., 2020)

A Hybrid Relay and Intelligent Reflecting Surface Network and Its Ergodic Performance Analysis. - Zaid Abdullah; Gaojie Chen; Sangarapillai Lambotharan; Jonathon A. Chambers (IEEE Wirel. Commun. Lett., 2020)

A Cooperative Jamming Scheme for Physical Layer Security enhancement in Multihop IoT Networks with Colluding Eavesdroppers. - Zaid Abdullah; Gaojie Chen; Jonathon A. Chambers (SSP, 2021)

Enhanced Secrecy Performance of Multihop IoT Networks With Cooperative Hybrid-Duplex Jamming. - Zaid Abdullah; Gaojie Chen; Mohammed A. M. Abdullah; Jonathon A. Chambers (IEEE Trans. Inf. Forensics Secur., 2021)

Optimization of Intelligent Reflecting Surface Assisted Full-Duplex Relay Networks. - Zaid Abdullah; Gaojie Chen; Sangarapillai Lambotharan; Jonathon A. Chambers (IEEE Wirel. Commun. Lett., 2021)

Combining Relaying and Reflective Surfaces: Power Consumption and Energy Efficiency Analysis. - Zaid Abdullah; George C. Alexandropoulos; Steven Kisseleff; Symeon Chatzinotas; Björn E. Ottersten (GLOBECOM (Workshops), 2022)

Joint Linear Precoding and DFT Beamforming Design for Massive MIMO Satellite Communication. - Vu Nguyen Ha; Zaid Abdullah; Geoffrey Eappen; Juan Carlos Merlano Duncan; Rakesh Palisetty; Jorge Luis González Rios; Wallace Alves Martins; Hong-Fu Chou; Juan Andres Vasquez; Luis Manuel Garcés Socarrás; Haythem Chaker; Symeon Chatzinotas (GLOBECOM (Workshops), 2022)

Time vs. Unit Cell Splitting for Autonomous Reconfigurable Intelligent Surfaces. - Konstantinos Ntontin; Alexandros-Apostolos A. Boulogeorgos; Zaid Abdullah; Agapi Mesodiakaki; Sergi Abadal; Symeon Chatzinotas (GLOBECOM, 2022)

Successive Decode-and-Forward Relaying with Reconfigurable Intelligent Surfaces. - Zaid Abdullah; Steven Kisseleff; Konstantinos Ntontin; Wallace Alves Martins; Symeon Chatzinotas; Björn E. Ottersten (ICC, 2022)

Double-RIS Communication with DF Relaying for Coverage Extension: Is One Relay Enough? - Zaid Abdullah; Steven Kisseleff; Konstantinos Ntontin; Wallace Alves Martins; Symeon Chatzinotas; Björn E. Ottersten (ICC, 2022)

Design of a Guideline for Range-based Localization Algorithms Evaluation using Multiple Linear Regressions. - Dhouha El Houssaini; Zaid Abdullah; Sabrine Kheriji; Kamel Besbes; Olfa Kanoun (SENSORNETS, 2022)

Intelligent Omni Surface-Assisted Secure MIMO Communication Networks With Artificial Noise. - Sisai Fang; Gaojie Chen; Zaid Abdullah; Yonghui Li 001 (IEEE Commun. Lett., 2022)

Low-Complexity Antenna Selection and Discrete Phase-Shifts Design in IRS-Assisted Multiuser Massive MIMO Networks. - Zaid Abdullah; Gaojie Chen; Sangarapillai Lambotharan; Jonathon A. Chambers (IEEE Trans. Veh. Technol., 2022)

Impact of Phase-Noise and Spatial Correlation on Double-RIS-Assisted Multiuser MISO Networks. - Zaid Abdullah; Anastasios K. Papazafeiropoulos; Steven Kisseleff; Symeon Chatzinotas; Björn E. Ottersten (IEEE Wirel. Commun. Lett., 2022)

Coverage Probability of STAR-RIS-Assisted Massive MIMO Systems With Correlation and Phase Errors. - Anastasios K. Papazafeiropoulos; Zaid Abdullah; Pandelis Kourtessis; Steven Kisseleff; Ioannis Krikidis (IEEE Wirel. Commun. Lett., 2022)

Integrated Access and Backhaul via Satellites. - Zaid Abdullah; Steven Kisseleff; Eva Lagunas; Vu Nguyen Ha; Frank Zeppenfeldt; Symeon Chatzinotas (PIMRC, 2023)

Time- and Unit-Cell Splitting Comparison for the Autonomous Operation of Reconfigurable Intelligent Surfaces. - Konstantinos Ntontin; Emil Björnson; Alexandros-Apostolos A. Boulogeorgos; Zaid Abdullah; Agapi Mesodiakaki; Sergi Abadal; Symeon Chatzinotas (IEEE Trans. Green Commun. Netw., 2023)

Beyond Diagonal IRS Assisted Ultra Massive THz Systems: A Low Resolution Approach. - Wali Ullah Khan; Chandan Kumar Sheemar; Zaid Abdullah; Eva Lagunas; Symeon Chatzinotas (PIMRC, 2024)

Integrated Access and Backhaul via LEO Satellites with Inter-Satellite Links. - Zaid Abdullah; Eva Lagunas; Steven Kisseleff; Frank Zeppenfeldt; Symeon Chatzinotas (WCNC, 2024)

Reflecting Intelligent Surfaces Assisted High-Rank Ultra Massive MIMO Terahertz Channels. - Chandan Kumar Sheemar; Sourabh Solanki; Wali Ullah Khan; Zaid Abdullah; Eva Lagunas; Symeon Chatzinotas (WCNC, 2024)

Achievable Rate of a STAR-RIS Assisted Massive MIMO System Under Spatially-Correlated Channels. - Anastasios K. Papazafeiropoulos; Le-Nam Tran; Zaid Abdullah; Pandelis Kourtessis; Symeon Chatzinotas (IEEE Trans. Wirel. Commun., 2024)

Cooperative Hybrid Networks with Active Relays and RISs for B5G: Applications, Challenges, and Research Directions. - Zaid Abdullah; Steven Kisseleff; Wallace Alves Martins; Gaojie Chen; Luca Sanguinetti; Konstantinos Ntontin; Anastasios K. Papazafeiropoulos; Symeon Chatzinotas; Björn E. Ottersten (IEEE Wirel. Commun., 2024)

Rate-Splitting Multiple Access for a Multi-RIS-Assisted Cell-Free Network with Low-Resolution DACs. - Mario R. Camana; Zaid Abdullah; Carla E. Garcia; Eva Lagunas; Symeon Chatzinotas (WCNC, 2025)

Evolutionary Algorithms and Quantum Computing: Recent Advances, Opportunities, and Challenges. - Junaid ur Rehman; Muhammad Shohibul Ulum; Abdurrahman Wachid Shaffar; Amirul Adlil Hakim; Mujirin; Zaid Abdullah; Hayder Al-Hraishawi; Symeon Chatzinotas; Hyundong Shin (IEEE Access, 2025)

Swarm Intelligence Optimization of Multi-RIS Aided MmWave Beamspace MIMO. - Zaid Abdullah; Mario R. Camana; Abuzar B. M. Adam; Chandan Kumar Sheemar; Eva Lagunas; Symeon Chatzinotas (CoRR, 2025)