Ahmed El Shafie

According to our database1, Ahmed El Shafie authored at least 77 papers between 2012 and 2019.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

Legend:

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PhD thesis 
Other 

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Bibliography

2019
On the Delay/Throughput-Security Tradeoff in Wiretap TDMA Networks With Buffered Nodes.
IEEE Trans. Wireless Communications, 2019

Comparison Between TDMA and Random Multiple-Access Energy-Harvesting Networks Under Security Constraints.
IEEE Communications Letters, 2019

Wiretap TDMA Networks With Energy-Harvesting Rechargeable-Battery Buffered Sources.
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 Wireless Commun. Letters, 2018

Thresholds Optimization for One-Bit Feedback Multi-User Scheduling.
IEEE Wireless Commun. Letters, 2018

Secure Beamforming in Full-Duplex MISO-SWIPT Systems With Multiple Eavesdroppers.
IEEE Trans. Wireless Communications, 2018

Secret-Key-Aided Scheme for Securing Untrusted DF Relaying Networks.
IEEE Trans. Vehicular Technology, 2018

Secure Sum-Rate-Optimal MIMO Multicasting Over Medium-Voltage NB-PLC Networks.
IEEE Trans. Smart Grid, 2018

Energy-efficient cooperative cognitive relaying schemes for cognitive radio networks.
Physical Communication, 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Adaptive Transmission for Secure AN-Aided Cooperative Networks with RF-EH Untrusted Relaying using Outdated CSI.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

Security in MIMO-OFDM SWIPT Networks.
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

Securing OFDM-based wireless links using temporal artificial-noise injection.
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 Wireless Commun. Letters, 2017

A Secure Relay Selection AN-Aided Scheme for Dual-Hop DF Relay Networks With Two-Sided Eavesdropping.
IEEE Wireless Commun. Letters, 2017

QoS-Aware Enhanced-Security for TDMA Transmissions from Buffered Source Nodes.
IEEE Trans. Wireless Communications, 2017

Hybrid Spatio-Temporal Artificial Noise Design for Secure MIMOME-OFDM Systems.
IEEE Trans. Vehicular Technology, 2017

AN-Aided Relay-Selection Scheme for Securing Untrusted RF-EH Relay Systems.
TGCN, 2017

Probabilistic Jamming/Eavesdropping Attacks to Confuse a Buffer-Aided Transmitter-Receiver Pair.
IEEE Communications Letters, 2017

An Artificial-Noise-Aided Hybrid TS/PS Scheme for OFDM-Based SWIPT Systems.
IEEE Communications Letters, 2017

Security of an Ordered-Based Distributive Jamming Scheme.
IEEE Communications Letters, 2017

Adaptive Secure Transmission for RF-EH Untrusted Relaying with Alien Eavesdropping.
IEEE Communications Letters, 2017

Achievable Rates of Buffer-Aided Full-Duplex Gaussian Relay Channels.
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

Securing Untrusted RF-EH Relay Networks Using Cooperative Jamming Signals.
IEEE Access, 2017

Enhancing the reliability of two-way vehicle-to-grid communications.
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.
Wireless Communications and Mobile Computing, 2016

Enhancing the PHY-Layer Security of MIMO Buffer-Aided Relay Networks.
IEEE Wireless Commun. Letters, 2016

Security of Rechargeable Energy-Harvesting Transmitters in Wireless Networks.
IEEE Wireless Commun. Letters, 2016

Secure Communications in the Presence of a Buffer-Aided Wireless-Powered Relay With Self-Energy Recycling.
IEEE Wireless Commun. Letters, 2016

Maximum Secondary Stable Throughput of a Cooperative Secondary Transmitter-Receiver Pair: Protocol Design and Stability Analysis.
IEEE Trans. Vehicular Technology, 2016

Physical-Layer Security of a Buffer-Aided Full-Duplex Relaying System.
IEEE Communications Letters, 2016

Artificial-Noise-Aided Secure MIMO Full-Duplex Relay Channels With Fixed-Power Transmissions.
IEEE Communications Letters, 2016

Throughput of a cooperative energy harvesting secondary user in cognitive radio networks.
Trans. Emerging Telecommunications Technologies, 2016

Relay-Assisted Primary and Secondary Transmissions in Cognitive Radio Networks.
IEEE Access, 2016

QoS-Based Design for Security Enhancement in TDMA-Based Wireless Networks.
Proceedings of the 2016 IEEE Globecom Workshops, Washington, DC, USA, December 4-8, 2016, 2016

Spatio-Temporal Artificial Noise Design for Secure MISOSE-OFDM Systems.
Proceedings of the 2016 IEEE Global Communications Conference, 2016

Cyclostationary Noise Modeling Based on Frequency-Shift Filtering in NB-PLC.
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 Wireless Commun. Letters, 2015

On Orthogonal Band Allocation for Multiuser Multiband Cognitive Radio Networks: Stability Analysis.
IEEE Trans. Communications, 2015

A Sparsity-Aware Cooperative Protocol for Cognitive Radio Networks With Energy-Harvesting Primary User.
IEEE Trans. Communications, 2015

Comments on "Optimal utilization of a cognitive shared channel with a rechargeable primary source node".
Journal of Communications and Networks, 2015

On the Design of a Relay-Assisted Network.
IEEE Communications Letters, 2015

A Secure Multiple-Access Scheme for Rechargeable Wireless Sensors in the Presence of an Eavesdropper.
IEEE Communications Letters, 2015

On the design of relay-assisted primary-secondary networks.
Proceedings of the 2015 IEEE Wireless Communications and Networking Conference, 2015

Exploiting sparsity of relay-assisted cognitive radio networks.
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

MMSE sparse beamforming for power-constrained large two-way relay AF networks.
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 Wireless Commun. Letters, 2014

Optimization of a Relay-Assisted Link With Buffer State Information at the Source.
IEEE Communications Letters, 2014

Space-Time Coding for an Energy Harvesting Cooperative Secondary Terminal.
IEEE Communications Letters, 2014

Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio with and without Primary Feedback Leveraging.
EAI Endorsed Trans. Cognitive Communications, 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

Band allocation for cognitive radios with buffered primary and secondary users.
Proceedings of the IEEE Wireless Communications and Networking Conference, 2014

Protocol design and stability analysis of cooperative cognitive radio users.
Proceedings of the IEEE Wireless Communications and Networking Conference, 2014

Spectrum-Aggregating Cognitive Multi-Antenna User with Multiple Primary Users.
Proceedings of the IEEE 80th Vehicular Technology Conference, 2014

Probabilistic band-splitting for a buffered cooperative cognitive terminal.
Proceedings of the 25th IEEE Annual International Symposium on Personal, 2014

Maximum throughput of a cooperative energy harvesting cognitive radio user.
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
Stability Analysis of an Ordered Cognitive Multiple-Access Protocol.
IEEE Trans. Vehicular Technology, 2013

Optimal Random Access for a Cognitive Radio Terminal with Energy Harvesting Capability.
IEEE Communications Letters, 2013

Optimal selection of spectrum sensing duration for an energy harvesting cognitive radio.
Proceedings of the 2013 IEEE Global Communications Conference, 2013

Transmit and receive cooperative cognition: Protocol design and stability analysis.
Proceedings of the 8th International Conference on Cognitive Radio Oriented Wireless Networks, 2013

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

Cooperative cognitive relaying with ordered cognitive multiple access.
Proceedings of the 2012 IEEE Global Communications Conference, 2012


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