Ahmed El Shafie
Orcid: 0000-0002-7315-8242Affiliations:
- Qatar University, Doha
According to our database1,
Ahmed El Shafie
authored at least 106 papers
between 2012 and 2022.
Collaborative distances:
Collaborative distances:
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Bibliography
2022
Securing Full-Duplex Amplify-and-Forward Relay-Aided Communications Through Processing-Time Optimization.
IEEE Trans. Veh. Technol., 2022
Enhanced physical layer security for energy harvesting relay-aided systems using joint relaying scheme.
Internet Technol. Lett., 2022
A Deep Reinforcement Learning Framework for Data Compression in Uplink NOMA-SWIPT Systems.
IEEE Internet Things J., 2022
2021
Securing Full-Duplex Amplify-and-Forward Relay-Aided Transmissions Through Processing-Time Optimization.
CoRR, 2021
Proceedings of the 93rd IEEE Vehicular Technology Conference, 2021
2020
Relay-Selection Refinement Scheme for Secrecy in Untrusted RF-EH Relay Systems With Adaptive Transmission Under Outdated CSI.
IEEE Trans. Green Commun. Netw., 2020
Securing Untrusted Full-Duplex Relay Channels in the Presence of Multiple External Cluster-Based Eavesdroppers.
IEEE Syst. J., 2020
Artificial-Noise-Aided Energy-Efficient Secure Beamforming for Multi-Eavesdroppers in Cognitive Radio Networks.
IEEE Syst. J., 2020
On the Performance of Quickest Detection Spectrum Sensing: The Case of Cumulative Sum.
IEEE Commun. Lett., 2020
Deep Reinforcement Learning Algorithm for Smart Data Compression under NOMA-Uplink Protocol.
Proceedings of the IEEE Canadian Conference on Electrical and Computer Engineering, 2020
2019
On the Delay/Throughput-Security Tradeoff in Wiretap TDMA Networks With Buffered Nodes.
IEEE Trans. Wirel. Commun., 2019
Centralized and Distributed Cognitive Relay-Selection Schemes for SWIPT Cognitive Networks.
IEEE Trans. Commun., 2019
Introduction to the special section on deep reinforcement learning for future wireless communication networks.
IEEE Trans. Cogn. Commun. Netw., 2019
IEEE Syst. J., 2019
Comparison Between TDMA and Random Multiple-Access Energy-Harvesting Networks Under Security Constraints.
IEEE Commun. Lett., 2019
IEEE Access, 2019
Security-Enhanced SC-FDMA Transmissions Using Temporal Artificial-Noise and Secret Key Aided Schemes.
IEEE Access, 2019
2018
A Secret-Key-Aided Scheme to Secure Transmissions From Single-Antenna RF-EH Source Nodes.
IEEE Wirel. Commun. Lett., 2018
IEEE Wirel. Commun. Lett., 2018
IEEE Trans. Wirel. Commun., 2018
IEEE Trans. Veh. Technol., 2018
IEEE Trans. Smart Grid, 2018
Energy-efficient cooperative cognitive relaying schemes for cognitive radio networks.
Phys. Commun., 2018
Securing Untrusted Full-Duplex Relay Channels in the Presence of Multiple External Cluster-Based Eavesdroppers.
CoRR, 2018
Adaptive Transmission for Secure AN-Aided Cooperative Networks with RF-EH Untrusted Relaying using Outdated CSI.
Proceedings of the 29th IEEE Annual International Symposium on Personal, 2018
Proceedings of the 29th IEEE Annual International Symposium on Personal, 2018
An Artificial-Noise-Aided Secure Scheme for Hybrid Parallel PLC/Wireless OFDM Systems.
Proceedings of the 2018 IEEE International Conference on Communications, 2018
Securing SC-FDE Uplink Transmissions Using Temporal Artificial Noise under Three Detection Strategies.
Proceedings of the 2018 IEEE International Conference on Communications Workshops, 2018
Secure Beamforming in Full-Duplex SWIPT Systems with Loopback Self-Interference Cancellation.
Proceedings of the 2018 IEEE International Conference on Communications, 2018
A hybrid artificial-noise and secret-key scheme for securing OFDM transmissions in V2G networks.
Proceedings of the 15th IEEE Annual Consumer Communications & Networking Conference, 2018
Proceedings of the 15th IEEE Annual Consumer Communications & Networking Conference, 2018
2017
Efficient AN-Aided Scheme to Power RF-EH Source Nodes and Secure Their Transmissions.
IEEE Wirel. Commun. Lett., 2017
A Secure Relay Selection AN-Aided Scheme for Dual-Hop DF Relay Networks With Two-Sided Eavesdropping.
IEEE Wirel. Commun. Lett., 2017
IEEE Trans. Wirel. Commun., 2017
IEEE Trans. Veh. Technol., 2017
IEEE Trans. Green Commun. Netw., 2017
Probabilistic Jamming/Eavesdropping Attacks to Confuse a Buffer-Aided Transmitter-Receiver Pair.
IEEE Commun. Lett., 2017
IEEE Commun. Lett., 2017
IEEE Commun. Lett., 2017
On the Monetary Loss Due to Passive and Active Attacks on MIMO Smart Grid Communications.
CoRR, 2017
IEEE Access, 2017
Impact of the Wireless Network's PHY Security and Reliability on Demand-Side Management Cost in the Smart Grid.
IEEE Access, 2017
IEEE Access, 2017
Proceedings of the IEEE Intelligent Vehicles Symposium, 2017
2016
On the coexistence of a primary user with an energy harvesting secondary user: a case of cognitive cooperation.
Wirel. Commun. Mob. Comput., 2016
IEEE Wirel. Commun. Lett., 2016
IEEE Wirel. Commun. Lett., 2016
Secure Communications in the Presence of a Buffer-Aided Wireless-Powered Relay With Self-Energy Recycling.
IEEE Wirel. Commun. Lett., 2016
Maximum Secondary Stable Throughput of a Cooperative Secondary Transmitter-Receiver Pair: Protocol Design and Stability Analysis.
IEEE Trans. Veh. Technol., 2016
IEEE Commun. Lett., 2016
Artificial-Noise-Aided Secure MIMO Full-Duplex Relay Channels With Fixed-Power Transmissions.
IEEE Commun. Lett., 2016
Throughput of a cooperative energy harvesting secondary user in cognitive radio networks.
Trans. Emerg. Telecommun. Technol., 2016
IEEE Access, 2016
Proceedings of the 2016 IEEE Globecom Workshops, Washington, DC, USA, December 4-8, 2016, 2016
Proceedings of the 2016 IEEE Global Communications Conference, 2016
Proceedings of the 2016 IEEE Global Communications Conference, 2016
2015
On Secure Communications Over a Wiretap Channel With Fixed-Rate Transmission: Protocol Design and Queueing Analysis.
IEEE Wirel. Commun. Lett., 2015
On Orthogonal Band Allocation for Multiuser Multiband Cognitive Radio Networks: Stability Analysis.
IEEE Trans. Commun., 2015
A Sparsity-Aware Cooperative Protocol for Cognitive Radio Networks With Energy-Harvesting Primary User.
IEEE Trans. Commun., 2015
Comments on "Optimal utilization of a cognitive shared channel with a rechargeable primary source node".
J. Commun. Networks, 2015
A Secure Multiple-Access Scheme for Rechargeable Wireless Sensors in the Presence of an Eavesdropper.
IEEE Commun. Lett., 2015
Proceedings of the 2015 IEEE Wireless Communications and Networking Conference, 2015
Proceedings of the 2015 IEEE Wireless Communications and Networking Conference, 2015
Sparsity-Cognizant Multiple-Access Schemes for Large Wireless Networks with Node Buffers.
Proceedings of the 12th IEEE International Conference on Mobile Ad Hoc and Sensor Systems, 2015
Proceedings of the IEEE International Symposium on Signal Processing and Information Technology, 2015
Energy-efficient cooperative relaying protocol for full-duplex cognitive radio users and delay-aware primary users.
Proceedings of the International Conference on Computing, Networking and Communications, 2015
Optimal spectrum access for a rechargeable cognitive radio user based on energy buffer state.
Proceedings of the International Conference on Computing, Networking and Communications, 2015
On spectrum sharing between energy harvesting cognitive radio users and primary users.
Proceedings of the International Conference on Computing, Networking and Communications, 2015
Power-optimal feedback-based random spectrum access for an energy harvesting cognitive user.
Proceedings of the International Conference on Computing, Networking and Communications, 2015
Interference-based optimal power-efficient access scheme for cognitive radio networks.
Proceedings of the International Conference on Computing, Networking and Communications, 2015
Throughput maximization for buffer-aided hybrid half-/full-duplex relaying with self-interference.
Proceedings of the 2015 IEEE International Conference on Communications, 2015
Cooperative Access Schemes for Efficient SWIPT Transmissions in Cognitive Radio Networks.
Proceedings of the 2015 IEEE Globecom Workshops, San Diego, CA, USA, December 6-10, 2015, 2015
2014
Cognitive Access Protocol for Alleviating Sensing Errors in Cognitive Multiple-Access Systems.
IEEE Wirel. Commun. Lett., 2014
IEEE Commun. Lett., 2014
IEEE Commun. Lett., 2014
Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio with and without Primary Feedback Leveraging.
EAI Endorsed Trans. Cogn. Commun., 2014
Energy-Efficient Cooperative Cognitive Relaying Protocols for Full-Duplex Cognitive Radio Users and Delay-Aware Primary Users.
CoRR, 2014
CoRR, 2014
Optimal Cooperative Cognitive Relaying and Spectrum Access for an Energy Harvesting Cognitive Radio: Reinforcement Learning Approach.
CoRR, 2014
Cooperative Cognitive Relaying Protocol for an Energy Harvesting Cognitive Radio User.
CoRR, 2014
Maximum Throughput for a Cognitive Radio Multi-Antenna User with Multiple Primary Users.
CoRR, 2014
Maximum throughput of a secondary user cooperating with an energy-aware primary user.
Proceedings of the 12th International Symposium on Modeling and Optimization in Mobile, 2014
Proceedings of the IEEE Wireless Communications and Networking Conference, 2014
Proceedings of the IEEE Wireless Communications and Networking Conference, 2014
Proceedings of the IEEE 80th Vehicular Technology Conference, 2014
Proceedings of the 25th IEEE Annual International Symposium on Personal, 2014
Proceedings of the 25th IEEE Annual International Symposium on Personal, 2014
Throughput maximization via adjusting packet size of a buffered cognitive radio user.
Proceedings of the 25th IEEE Annual International Symposium on Personal, 2014
Cooperative cognitive relaying under primary and secondary quality of service satisfaction.
Proceedings of the 25th IEEE Annual International Symposium on Personal, 2014
2013
IEEE Trans. Veh. Technol., 2013
Optimal Random Access for a Cognitive Radio Terminal with Energy Harvesting Capability.
IEEE Commun. Lett., 2013
Cooperation Between a Primary Terminal and an Energy Harvesting Cognitive Radio Terminal.
CoRR, 2013
Optimal selection of spectrum sensing duration for an energy harvesting cognitive radio.
Proceedings of the 2013 IEEE Global Communications Conference, 2013
Proceedings of the 8th International Conference on Cognitive Radio Oriented Wireless Networks, 2013
2012
CoRR, 2012
Optimal random access and random spectrum sensing for an energy harvesting cognitive radio.
Proceedings of the 8th IEEE International Conference on Wireless and Mobile Computing, 2012
Proceedings of the 2012 IEEE Global Communications Conference, 2012