Ahmed El Shafie

140 papers B 18Misc 5Journal 104Unranked 13
YearRankTypeTitle / Venue / Authors
2026 J jnl
Clustered Random Beamforming and Hierarchical Modulation for Large Multi-User MIMO Downlinks.
IEEE Trans. Wirel. Commun.
Hamidreza Khakzad, Abbas Taherpour, Ahmed El Shafie, Tamer Khattab, Mazen Omar Hasna
2022 J jnl
A Deep Reinforcement Learning Framework for Data Compression in Uplink NOMA-SWIPT Systems.
IEEE Internet Things J.
Mohamed Elsayed, Ahmed Badawy, Ahmed El Shafie, Amr Mohamed, Tamer Khattab
2022 J jnl
Enhanced physical layer security for energy harvesting relay-aided systems using joint relaying scheme.
Internet Technol. Lett.
Sarbani Ghose, Ahmed El Shafie
2022 J jnl
Securing Full-Duplex Amplify-and-Forward Relay-Aided Communications Through Processing-Time Optimization.
IEEE Trans. Veh. Technol.
Mohamed F. Marzban, Ahmed El Shafie, Ahmed K. Sultan, Naofal Al-Dhahir
2021 J jnl
Novel Secret-Key-Assisted Schemes for Secure MISOME-OFDM Systems.
CoRR
Mohamed F. Marzban, Ahmed El Shafie, Naofal Al-Dhahir
2021 — conf
Secure AF Relaying in Power-Constrained UAV Networks.
VTC Spring
Lutfi Samara, Abubakr O. Al-Abbasi, Ahmed El Shafie, Ridha Hamila, Naofal Al-Dhahir
2021 J jnl
Securing Full-Duplex Amplify-and-Forward Relay-Aided Transmissions Through Processing-Time Optimization.
CoRR
Mohamed F. Marzban, Ahmed El Shafie, Ahmed Kamal Sultan-Salem, Naofal Al-Dhahir
2020 J jnl
Artificial-Noise-Aided Energy-Efficient Secure Beamforming for Multi-Eavesdroppers in Cognitive Radio Networks.
IEEE Syst. J.
Pu Chen, Jian Ouyang, Wei-Ping Zhu, Min Lin, Ahmed El Shafie, Naofal Al-Dhahir
2020 — conf
Deep Reinforcement Learning Algorithm for Smart Data Compression under NOMA-Uplink Protocol.
CCECE
Mohamed Elsayed, Ahmed Badawy, Ahmed El Shafie, Amr Mohamed, Tamer Khattab
2020 J jnl
On the Performance of Quickest Detection Spectrum Sensing: The Case of Cumulative Sum.
CoRR
Ahmed Badawy, Ahmed El Shafie, Tamer Khattab
2020 J jnl
On the Performance of Quickest Detection Spectrum Sensing: The Case of Cumulative Sum.
IEEE Commun. Lett.
Ahmed Badawy, Ahmed El Shafie, Tamer Khattab
2020 J jnl
Relay-Selection Refinement Scheme for Secrecy in Untrusted RF-EH Relay Systems With Adaptive Transmission Under Outdated CSI.
IEEE Trans. Green Commun. Netw.
Asma Mabrouk, Kamel Tourki, Ahmed El Shafie, Naofal Al-Dhahir
2020 J jnl
Securing OFDM-Based NOMA SWIPT Systems.
CoRR
Ahmed Badawy, Ahmed El Shafie
2020 J jnl
Securing OFDM-Based NOMA SWIPT Systems.
IEEE Trans. Veh. Technol.
Ahmed Badawy, Ahmed El Shafie
2020 J jnl
Securing Untrusted Full-Duplex Relay Channels in the Presence of Multiple External Cluster-Based Eavesdroppers.
IEEE Syst. J.
Asma Mabrouk, Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir, Noureddine Hamdi
2020 J jnl
Security and Energy Harvesting for MIMO-OFDM Networks.
IEEE Trans. Commun.
Tiep Minh Hoang, Ahmed El Shafie, Daniel Benevides da Costa, Trung Q. Duong, Hoang Duong Tuan, Alan Marshall
2019 J jnl
Centralized and Distributed Cognitive Relay-Selection Schemes for SWIPT Cognitive Networks.
IEEE Trans. Commun.
Ahmed M. Salama, Islam Samy, Ahmed El Shafie, Amr Mohamed, Tamer Khattab
2019 J jnl
Comparison Between TDMA and Random Multiple-Access Energy-Harvesting Networks Under Security Constraints.
IEEE Commun. Lett.
Ahmed El Shafie
2019 J jnl
Impact of Passive and Active Security Attacks on MIMO Smart Grid Communications.
IEEE Syst. J.
Ahmed El Shafie, Hamadi Chihaoui, Ridha Hamila, Naofal Al-Dhahir, Adel Gastli, Lazhar Ben-Brahim
2019 J jnl
Introduction to the special section on deep reinforcement learning for future wireless communication networks.
IEEE Trans. Cogn. Commun. Netw.
Shimin Gong, Dinh Thai Hoang, Dusit Niyato, Ahmed El Shafie, Antonio De Domenico, Emilio Calvanese Strinati, Jakob Hoydis
2019 J jnl
On the Delay/Throughput-Security Tradeoff in Wiretap TDMA Networks With Buffered Nodes.
IEEE Trans. Wirel. Commun.
Ahmed El Shafie, Naofal Al-Dhahir, Zhiguo Ding, Ridha Hamila
2019 J jnl
Security-Enhanced SC-FDMA Transmissions Using Temporal Artificial-Noise and Secret Key Aided Schemes.
IEEE Access
Mohamed F. Marzban, Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila
2019 J jnl
Wiretap TDMA Networks With Energy-Harvesting Rechargeable-Battery Buffered Sources.
IEEE Access
Ahmed El Shafie, Naofal Al-Dhahir, Zhiguo Ding, Trung Quang Duong, Ridha Hamila
2018 J jnl
A Hybrid Artificial-Noise and Secret-Key Scheme for Securing OFDM Transmissions in V2G Networks.
CoRR
Ahmed El Shafie, Mohamed F. Marzban, Rakan Chabaan, Naofal Al-Dhahir
2018 J jnl
A Secret-Key-Aided Scheme to Secure Transmissions From Single-Antenna RF-EH Source Nodes.
IEEE Wirel. Commun. Lett.
Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir, Ridha Hamila
2018 — conf
A hybrid artificial-noise and secret-key scheme for securing OFDM transmissions in V2G networks.
CCNC
Ahmed El Shafie, Mohamed F. Marzban, Rakan Chabaan, Naofal Al-Dhahir
2018 B conf
Adaptive Transmission for Secure AN-Aided Cooperative Networks with RF-EH Untrusted Relaying using Outdated CSI.
PIMRC
Asma Mabrouk, Kamel Tourki, Ahmed El Shafie, Naofal Al-Dhahir, Noureddine Hamdi
2018 — conf
An Artificial-Noise-Aided Secure Scheme for Hybrid Parallel PLC/Wireless OFDM Systems.
ICC
Ahmed El Shafie, Mohamed F. Marzban, Rakan Chabaan, Naofal Al-Dhahir
2018 J jnl
Energy-efficient cooperative cognitive relaying schemes for cognitive radio networks.
Phys. Commun.
Ahmed El Shafie, Tamer Khattab, Amr El-Keyi
2018 J jnl
Secret-Key-Aided Scheme for Securing Untrusted DF Relaying Networks.
IEEE Trans. Veh. Technol.
Ahmed El Shafie, Ahmed Kamal Sultan-Salem, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir
2018 J jnl
Secure Beamforming in Full-Duplex MISO-SWIPT Systems With Multiple Eavesdroppers.
IEEE Trans. Wirel. Commun.
Yanjie Dong, Ahmed El Shafie, Md. Jahangir Hossain, Julian Cheng, Naofal Al-Dhahir, Victor C. M. Leung
2018 J jnl
Secure Beamforming in Full-Duplex SWIPT Systems With Loopback Self-Interference Cancellation.
CoRR
Yanjie Dong, Ahmed El Shafie, Md. Jahangir Hossain, Julian Cheng, Naofal Al-Dhahir, Victor C. M. Leung
2018 — conf
Secure Beamforming in Full-Duplex SWIPT Systems with Loopback Self-Interference Cancellation.
ICC
Yanjie Dong, Ahmed El Shafie, Md. Jahangir Hossain, Julian Cheng, Naofal Al-Dhahir, Victor C. M. Leung
2018 J jnl
Secure Sum-Rate-Optimal MIMO Multicasting Over Medium-Voltage NB-PLC Networks.
IEEE Trans. Smart Grid
Ahmed ElSamadouny, Ahmed El Shafie, Mohamed M. Abdallah, Naofal Al-Dhahir
2018 J jnl
Securing OFDM-Based Wireless Links Using Temporal Artificial-Noise Injection.
CoRR
Mohamed F. Marzban, Ahmed El Shafie, Rakan Chabaan, Naofal Al-Dhahir
2018 — conf
Securing OFDM-based wireless links using temporal artificial-noise injection.
CCNC
Mohamed F. Marzban, Ahmed El Shafie, Rakan C. Chabaan, Naofal Al-Dhahir
2018 — conf
Securing SC-FDE Uplink Transmissions Using Temporal Artificial Noise under Three Detection Strategies.
ICC Workshops
Mohamed F. Marzban, Ahmed El Shafie, Rakan Chabaan, Naofal Al-Dhahir
2018 J jnl
Securing Untrusted Full-Duplex Relay Channels in the Presence of Multiple External Cluster-Based Eavesdroppers.
CoRR
Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir, Mazen O. Hasna
2018 B conf
Security in MIMO-OFDM SWIPT Networks.
PIMRC
Tiep Minh Hoang, Ahmed El Shafie, Trung Quang Duong, Hoang Duong Tuan, Alan Marshall
2018 J jnl
Security-Enhanced SC-FDMA Transmissions Using Temporal Artificial-Noise and Secret-Key Aided Schemes.
CoRR
Mohamed F. Marzban, Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila
2018 J jnl
Thresholds Optimization for One-Bit Feedback Multi-User Scheduling.
IEEE Wirel. Commun. Lett.
Mohammed Hafez, Ahmed El Shafie, Mohammad Shaqfeh, Tamer Khattab, Hussein M. Alnuweiri, Hüseyin Arslan
2017 J jnl
A Secure Relay Selection AN-Aided Scheme for Dual-Hop DF Relay Networks With Two-Sided Eavesdropping.
IEEE Wirel. Commun. Lett.
Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir
2017 J jnl
AN-Aided Relay-Selection Scheme for Securing Untrusted RF-EH Relay Systems.
IEEE Trans. Green Commun. Netw.
Asma Mabrouk, Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir
2017 J jnl
Achievable Rates of Buffer-Aided Full-Duplex Gaussian Relay Channels.
IEEE Access
Ahmed El Shafie, Ahmed K. Sultan, Ioannis Krikidis, Naofal Al-Dhahir, Ridha Hamila
2017 J jnl
Adaptive Secure Transmission for RF-EH Untrusted Relaying with Alien Eavesdropping.
IEEE Commun. Lett.
Asma Mabrouk, Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir
2017 J jnl
An Artificial-Noise-Aided Hybrid TS/PS Scheme for OFDM-Based SWIPT Systems.
IEEE Commun. Lett.
Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir
2017 J jnl
An Artificial-Noise-Aided Secure Scheme for Hybrid Parallel PLC/Wireless OFDM Systems.
CoRR
Ahmed El Shafie, Mohamed F. Marzban, Rakan C. Chabaan, Naofal Al-Dhahir
2017 J jnl
Efficient AN-Aided Scheme to Power RF-EH Source Nodes and Secure Their Transmissions.
IEEE Wirel. Commun. Lett.
Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir
2017 B conf
Enhancing the reliability of two-way vehicle-to-grid communications.
Intelligent Vehicles Symposium
Mostafa Sayed, Ahmed El Shafie, Mahmoud Elgenedy, Rakan C. Chabaan, Naofal Al-Dhahir
2017 J jnl
Hybrid Spatio-Temporal Artificial Noise Design for Secure MIMOME-OFDM Systems.
CoRR
Ahmed El Shafie, Zhiguo Ding, Naofal Al-Dhahir
2017 J jnl
Hybrid Spatio-Temporal Artificial Noise Design for Secure MIMOME-OFDM Systems.
IEEE Trans. Veh. Technol.
Ahmed El Shafie, Zhiguo Ding, Naofal Al-Dhahir
2017 J jnl
Impact of the Wireless Network's PHY Security and Reliability on Demand-Side Management Cost in the Smart Grid.
IEEE Access
Ahmed El Shafie, Dusit Niyato, Ridha Hamila, Naofal Al-Dhahir
2017 J jnl
Mutual Information of Buffer-Aided Full-Duplex Relay Channels.
CoRR
Ahmed El Shafie, Ahmed K. Sultan, Ioannis Krikidis, Naofal Al-Dhahir
2017 J jnl
On the Monetary Loss Due to Passive and Active Attacks on MIMO Smart Grid Communications.
CoRR
Ahmed El Shafie, Hamadi Chihaoui, Ridha Hamila, Naofal Al-Dhahir, Adel Gastli, Lazhar Ben-Brahim
2017 J jnl
Probabilistic Jamming/Eavesdropping Attacks to Confuse a Buffer-Aided Transmitter-Receiver Pair.
CoRR
Ahmed El Shafie, Kamel Tourki, Zhiguo Ding, Naofal Al-Dhahir
2017 J jnl
Probabilistic Jamming/Eavesdropping Attacks to Confuse a Buffer-Aided Transmitter-Receiver Pair.
IEEE Commun. Lett.
Ahmed El Shafie, Kamel Tourki, Zhiguo Ding, Naofal Al-Dhahir
2017 J jnl
QoS-Aware Enhanced-Security for TDMA Transmissions from Buffered Source Nodes.
IEEE Trans. Wirel. Commun.
Ahmed El Shafie, Trung Quang Duong, Naofal Al-Dhahir
2017 J jnl
Secret-Key-Aided Scheme for Securing Untrusted DF Relaying Networks.
CoRR
Ahmed El Shafie, Ahmed K. Sultan, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir
2017 J jnl
Secure Beamforming in Full-Duplex SWIPT Systems.
CoRR
Yanjie Dong, Ahmed El Shafie, Md. Jahangir Hossain, Julian Cheng, Naofal Al-Dhahir, Victor C. M. Leung
2017 J jnl
Securing Untrusted RF-EH Relay Networks Using Cooperative Jamming Signals.
IEEE Access
Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir, Ridha Hamila
2017 J jnl
Security of an Ordered-Based Distributive Jamming Scheme.
IEEE Commun. Lett.
Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir
2017 J jnl
Thresholds Optimization for One-Bit Feedback Multi-User Scheduling.
CoRR
Mohammed Hafez, Ahmed El Shafie, Mohammad Shaqfeh, Tamer Khattab, Hussein M. Alnuweiri, Hüseyin Arslan
2016 J jnl
A Secure Multiple-Access Scheme for Rechargeable Wireless Sensors in the Presence of an Eavesdropper.
CoRR
Ahmed El Shafie, Naofal Al-Dhahir
2016 J jnl
An Artificial-Noise-Aided Hybrid TS/PS Scheme for OFDM-Based SWIPT Systems.
CoRR
Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir
2016 J jnl
Artificial-Noise-Aided Secure MIMO Full-Duplex Relay Channels With Fixed-Power Transmissions.
IEEE Commun. Lett.
Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir
2016 J jnl
Cognitive Access Protocol for Alleviating Sensing Errors in Cognitive Multiple-Access Systems.
CoRR
Ahmed El Shafie
2016 J jnl
Cooperative Access Schemes for Efficient SWIPT Transmissions in Cognitive Radio Networks.
CoRR
Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila
2016 B conf
Cyclostationary Noise Modeling Based on Frequency-Shift Filtering in NB-PLC.
GLOBECOM
Mahmoud Elgenedy, Mostafa Sayed, Ahmed El Shafie, Il Han Kim, Naofal Al-Dhahir
2016 J jnl
Enhancing the PHY-Layer Security of MIMO Buffer-Aided Relay Networks.
IEEE Wirel. Commun. Lett.
Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir
2016 J jnl
Maximum Secondary Stable Throughput of a Cooperative Secondary Transmitter-Receiver Pair: Protocol Design and Stability Analysis.
IEEE Trans. Veh. Technol.
Ahmed El Shafie, Tamer Khattab, Amr El-Keyi, Mohammed Nafie
2016 J jnl
On the coexistence of a primary user with an energy harvesting secondary user: a case of cognitive cooperation.
Wirel. Commun. Mob. Comput.
Ahmed El Shafie, Tamer Khattab, Amr El-Keyi, Mohammed Nafie
2016 J jnl
Physical-Layer Security of a Buffer-Aided Full-Duplex Relaying System.
IEEE Commun. Lett.
Ahmed El Shafie, Ahmed K. Sultan, Naofal Al-Dhahir
2016 J jnl
Physical-Layer Security of a Buffer-Aided Full-Duplex Relaying~System.
CoRR
Ahmed El Shafie, Ahmed K. Sultan, Naofal Al-Dhahir
2016 — conf
QoS-Based Design for Security Enhancement in TDMA-Based Wireless Networks.
GLOBECOM Workshops
Ahmed El Shafie, Trung Quang Duong, Naofal Al-Dhahir
2016 J jnl
Relay-Assisted Primary and Secondary Transmissions in Cognitive Radio Networks.
IEEE Access
Ahmed El Shafie, Tamer Khattab, Ahmed K. Sultan
2016 J jnl
Secure Communications in the Presence of a Buffer-Aided Wireless-Powered Relay With Self-Energy Recycling.
CoRR
Ahmed El Shafie, Naofal Al-Dhahir
2016 J jnl
Secure Communications in the Presence of a Buffer-Aided Wireless-Powered Relay With Self-Energy Recycling.
IEEE Wirel. Commun. Lett.
Ahmed El Shafie, Naofal Al-Dhahir
2016 J jnl
Security of Rechargeable Energy-Harvesting Transmitters in Wireless Networks.
CoRR
Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir
2016 J jnl
Security of Rechargeable Energy-Harvesting Transmitters in Wireless Networks.
IEEE Wirel. Commun. Lett.
Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir
2016 J jnl
Sparsity-Cognizant Multiple-Access Schemes for Large Wireless Networks With Node Buffers.
CoRR
Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila
2016 B conf
Spatio-Temporal Artificial Noise Design for Secure MISOSE-OFDM Systems.
GLOBECOM
Ahmed El Shafie, Zhiguo Ding, Naofal Al-Dhahir
2016 J jnl
Throughput of a cooperative energy harvesting secondary user in cognitive radio networks.
Trans. Emerg. Telecommun. Technol.
Ahmed El Shafie, Tamer Khattab
2015 J jnl
A Secure Multiple-Access Scheme for Rechargeable Wireless Sensors in the Presence of an Eavesdropper.
IEEE Commun. Lett.
Ahmed El Shafie, Naofal Al-Dhahir
2015 J jnl
A Sparsity-Aware Cooperative Protocol for Cognitive Radio Networks With Energy-Harvesting Primary User.
IEEE Trans. Commun.
Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila
2015 J jnl
Comments on "Optimal utilization of a cognitive shared channel with a rechargeable primary source node".
J. Commun. Networks
Ahmed El Shafie, Ahmed K. Sultan-Salem
2015 — conf
Cooperative Access Schemes for Efficient SWIPT Transmissions in Cognitive Radio Networks.
GLOBECOM Workshops
Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila
2015 Misc conf
Energy-efficient cooperative relaying protocol for full-duplex cognitive radio users and delay-aware primary users.
ICNC
Ahmed El Shafie, Tamer Khattab
2015 B conf
Exploiting sparsity of relay-assisted cognitive radio networks.
WCNC
Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila
2015 Misc conf
Interference-based optimal power-efficient access scheme for cognitive radio networks.
ICNC
Ahmed H. Anwar, Ahmed El Shafie, Amr Mohamed, Tamer A. ElBatt, Mohsen Guizani
2015 — conf
MMSE sparse beamforming for power-constrained large two-way relay AF networks.
ISSPIT
Homa Eghbali, Ahmed El Shafie, Junho Lee, Sami Muhaidat, Naofal Al-Dhahir
2015 J jnl
On Orthogonal Band Allocation for Multiuser Multiband Cognitive Radio Networks: Stability Analysis.
IEEE Trans. Commun.
Ahmed El Shafie, Tamer Khattab
2015 J jnl
On Secure Communications Over a Wiretap Channel With Fixed-Rate Transmission: Protocol Design and Queueing Analysis.
IEEE Wirel. Commun. Lett.
Ahmed El Shafie, Naofal Al-Dhahir
2015 Misc conf
On spectrum sharing between energy harvesting cognitive radio users and primary users.
ICNC
Ahmed El Shafie, Mahmoud Ashour, Tamer Khattab, Amr Mohamed
2015 J jnl
On the Design of a Relay-Assisted Network.
IEEE Commun. Lett.
Ahmed El Shafie, Tamer Khattab, Ahmed K. Sultan, H. Vincent Poor
2015 B conf
On the design of relay-assisted primary-secondary networks.
WCNC
Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab, H. Vincent Poor
2015 Misc conf
Optimal spectrum access for a rechargeable cognitive radio user based on energy buffer state.
ICNC
Ahmed El Shafie, Mahmoud Ashour, Amr Mohamed, Tamer Khattab
2015 Misc conf
Power-optimal feedback-based random spectrum access for an energy harvesting cognitive user.
ICNC
Mahmoud Ashour, Ahmed El Shafie, Amr Mohamed, Tamer Khattab
2015 B conf
Sparsity-Cognizant Multiple-Access Schemes for Large Wireless Networks with Node Buffers.
MASS
Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila
2015 — conf
Throughput maximization for buffer-aided hybrid half-/full-duplex relaying with self-interference.
ICC
Mohammad Galal Khafagy, Ahmed El Shafie, Ahmed K. Sultan, Mohamed-Slim Alouini
2014 J jnl
Band Allocation for Cognitive Radios with Buffered Primary and Secondary Users.
CoRR
Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab
2014 B conf
Band allocation for cognitive radios with buffered primary and secondary users.
WCNC
Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab
2014 J jnl
Cognitive Access Protocol for Alleviating Sensing Errors in Cognitive Multiple-Access Systems.
IEEE Wirel. Commun. Lett.
Ahmed El Shafie
2014 J jnl
Comments on "Optimal Utilization of a Cognitive Shared Channel with a Rechargeable Primary Source Node".
CoRR
Ahmed El Shafie, Ahmed K. Sultan
2014 J jnl
Cooperative Cognitive Relaying Protocol for an Energy Harvesting Cognitive Radio User.
CoRR
Ahmed El Shafie, Tamer Khattab
2014 J jnl
Cooperative Cognitive Relaying Under Primary and Secondary Quality of Service Satisfaction.
CoRR
Ahmed El Shafie, Tamer Khattab
2014 B conf
Cooperative cognitive relaying under primary and secondary quality of service satisfaction.
PIMRC
Ahmed El Shafie, Tamer Khattab
2014 J jnl
Energy-Efficient Cooperative Cognitive Relaying Protocols for Full-Duplex Cognitive Radio Users and Delay-Aware Primary Users.
CoRR
Ahmed El Shafie, Tamer Khattab, Amr El-Keyi, H. Vincent Poor
2014 J jnl
Interference-based Optimal Power-efficient Access Scheme for Cognitive Radio Networks.
CoRR
Ahmed H. Anwar, Ahmed El Shafie, Amr Mohamed, Tamer A. ElBatt, Mohsen Guizani
2014 J jnl
Maximum Throughput for a Cognitive Radio Multi-Antenna User with Multiple Primary Users.
CoRR
Ahmed El Shafie, Tamer Khattab
2014 J jnl
Maximum Throughput of a Secondary User Cooperating with an Energy-Aware Primary User.
CoRR
Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab
2014 B conf
Maximum throughput of a cooperative energy harvesting cognitive radio user.
PIMRC
Ahmed El Shafie, Tamer Khattab
2014 B conf
Maximum throughput of a secondary user cooperating with an energy-aware primary user.
WiOpt
Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab
2014 J jnl
On Orthogonal Band Allocation for Multi-User Mutli-Band Cognitive Radio Networks.
CoRR
Ahmed El Shafie, Tamer Khattab
2014 J jnl
On Spectrum Sharing Between Energy Harvesting Cognitive Radio Users and Primary Users.
CoRR
Ahmed El Shafie, Mahmoud Ashour, Tamer Khattab, Amr Mohamed
2014 J jnl
Optimal Cooperative Cognitive Relaying and Spectrum Access for an Energy Harvesting Cognitive Radio: Reinforcement Learning Approach.
CoRR
Ahmed El Shafie, Tamer Khattab
2014 J jnl
Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio with and without Primary Feedback Leveraging.
CoRR
Ahmed El Shafie
2014 J jnl
Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio with and without Primary Feedback Leveraging.
EAI Endorsed Trans. Cogn. Commun.
Ahmed El Shafie
2014 J jnl
Optimal Spectrum Access for a Rechargeable Cognitive Radio User Based on Energy Buffer State.
CoRR
Ahmed El Shafie, Mahmoud Ashour, Amr Mohamed, Tamer Khattab
2014 J jnl
Optimization of a Relay-Assisted Link With Buffer State Information at the Source.
IEEE Commun. Lett.
Ahmed El Shafie, Mohammad Galal Khafagy, Ahmed K. Sultan
2014 J jnl
Power-Optimal Feedback-Based Random Spectrum Access for an Energy Harvesting Cognitive User.
CoRR
Mahmoud Ashour, Ahmed El Shafie, Amr Mohamed, Tamer Khattab
2014 J jnl
Probabilistic Band-Splitting for a Buffered Cooperative Cognitive Terminal.
CoRR
Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab
2014 B conf
Probabilistic band-splitting for a buffered cooperative cognitive terminal.
PIMRC
Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab
2014 B conf
Protocol design and stability analysis of cooperative cognitive radio users.
WCNC
Ahmed El Shafie, Tamer Khattab, H. Vincent Poor
2014 J jnl
Relay-Assisted Primary and Secondary Transmissions.
CoRR
Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab
2014 J jnl
Space-Time Coding for an Energy Harvesting Cooperative Secondary Terminal.
IEEE Commun. Lett.
Ahmed El Shafie
2014 — conf
Spectrum-Aggregating Cognitive Multi-Antenna User with Multiple Primary Users.
VTC Fall
Ahmed El Shafie, Tamer Khattab
2014 B conf
Throughput maximization via adjusting packet size of a buffered cognitive radio user.
PIMRC
Ahmed El Shafie, Tamer Khattab
2013 J jnl
Cooperation Between a Primary Terminal and an Energy Harvesting Cognitive Radio Terminal.
CoRR
Ahmed El Shafie, Tamer Khattab, Amr El-Keyi, Mohammed Nafie
2013 J jnl
Optimal Random Access for a Cognitive Radio Terminal with Energy Harvesting Capability.
IEEE Commun. Lett.
Ahmed El Shafie, Ahmed K. Sultan
2013 J jnl
Optimal Selection of Spectrum Sensing Duration for an Energy Harvesting Cognitive Radio.
CoRR
Ahmed El Shafie, Ahmed K. Sultan
2013 B conf
Optimal selection of spectrum sensing duration for an energy harvesting cognitive radio.
GLOBECOM
Ahmed El Shafie, Ahmed K. Sultan
2013 J jnl
Protocol Design and Stability Analysis of Cooperative Cognitive Radio Users.
CoRR
Ahmed El Shafie, Tamer Khattab, H. Vincent Poor
2013 J jnl
Stability Analysis of an Ordered Cognitive Multiple-Access Protocol.
IEEE Trans. Veh. Technol.
Ahmed El Shafie, Ahmed K. Sultan-Salem
2013 — conf
Transmit and receive cooperative cognition: Protocol design and stability analysis.
CrownCom
Ahmed El Shafie, Amr El-Keyi, Tamer Khattab, Mohammed Nafie
2012 J jnl
Cooperation via Cognitive System: Protocol Design and Performance Analysis
CoRR
Ahmed El Shafie, Amr El-Keyi, Tamer Khattab, Mohammed Nafie
2012 J jnl
Cooperative Cognitive Relaying with Ordered Cognitive Multiple Access
CoRR
Ahmed El Shafie, Ahmed K. Sultan
2012 B conf
Cooperative cognitive relaying with ordered cognitive multiple access.
GLOBECOM
Ahmed El Shafie, Ahmed K. Sultan
2012 J jnl
Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio
CoRR
Ahmed El Shafie, Ahmed K. Sultan
2012 J jnl
Optimal Spectrum Access for Cognitive Radios
CoRR
Ahmed El Shafie
2012 B conf
Optimal random access and random spectrum sensing for an energy harvesting cognitive radio.
WiMob
Ahmed El Shafie, Ahmed K. Sultan