Ahmed El Shafie
Ahmed El Shafie
IEEE Senior Member, Qualcomm
Verified email at qti.qualcomm.com - Homepage
TitleCited byYear
Optimal Random Access for a Cognitive Radio Terminal with Energy Harvesting Capability
AE Shafie, A Sultan
IEEE Communications Letters 17 (6), 1128 - 1131, 2013
362013
Physical-Layer Security of a Buffer-Aided Full-Duplex Relaying System
A El Shafie, A Sultan, N Al-Dhahir
IEEE, 2016
322016
Optimal random access and random spectrum sensing for an energy harvesting cognitive radio
A El Shafie, A Sultan
2012 IEEE 8th International Conference on Wireless and Mobile Computing …, 2012
312012
Artificial-Noise-Aided Secure MIMO Full-Duplex Relay Channels with Fixed-Power Transmissions
A El Shafie, D Niyato, N Al-Dhahir
IEEE, 2016
252016
On spectrum sharing between energy harvesting cognitive radio users and primary users
A El Shafie, M Ashour, T Khattab, A Mohamed
2015 International conference on computing, networking and communications …, 2015
232015
Security of Rechargeable Energy-Harvesting Transmitters in Wireless Networks
A El Shafie, D Niyato, N Al-Dhahir
IEEE, 2016
222016
Hybrid spatio-temporal artificial noise design for secure MIMOME-OFDM systems
A El Shafie, Z Ding, N Al-Dhahir
IEEE Transactions on Vehicular Technology 66 (5), 3871-3886, 2016
212016
Cooperative access schemes for efficient SWIPT transmissions in cognitive radio networks
A El Shafie, N Al-Dhahir, R Hamila
2015 IEEE Globecom Workshops (GC Wkshps), 1-6, 2015
192015
On the coexistence of a primary user with an energy harvesting secondary user: A case of cognitive cooperation
AE Shafie, T Khattab, A El‐Keyi, M Nafie
Wireless Communications and Mobile Computing 16 (2), 166-176, 2016
17*2016
Enhancing the PHY-Layer Security of MIMO Buffer-Aided Relay Networks
A El Shafie, D Niyato, N Al-Dhahir
IEEE, 2016
162016
Optimization of a relay-assisted link with buffer state information at the source
A El Shafie, MG Khafagy, A Sultan
IEEE communications Letters 18 (12), 2149-2152, 2014
162014
Optimal selection of spectrum sensing duration for an energy harvesting cognitive radio
A El Shafie, A Sultan
2013 IEEE Global Communications Conference (GLOBECOM), 1020-1025, 2013
162013
Secure communications in the presence of a buffer-aided wireless-powered relay with self-energy recycling
A El Shafie, N Al-Dhahir
IEEE Wireless Communications Letters 5 (1), 32-35, 2015
152015
Securing untrusted RF-EH relay networks using cooperative jamming signals
A El Shafie, A Mabrouk, K Tourki, N Al-Dhahir, R Hamila
IEEE Access 5, 24353-24367, 2017
132017
Adaptive secure transmission for RF-EH untrusted relaying with alien eavesdropping
A Mabrouk, A El Shafie, K Tourki, N Al-Dhahir
IEEE Communications Letters 21 (11), 2516-2519, 2017
132017
Maximum throughput of a cooperative energy harvesting cognitive radio user
A El Shafie, T Khattab
2014 IEEE 25th Annual International Symposium on Personal, Indoor, and …, 2014
132014
An artificial-noise-aided hybrid TS/PS scheme for OFDM-based SWIPT systems
A El Shafie, K Tourki, N Al-Dhahir
IEEE Communications Letters 21 (3), 632-635, 2016
122016
A sparsity-aware cooperative protocol for cognitive radio networks with energy-harvesting primary user
A El Shafie, N Al-Dhahir, R Hamila
IEEE Transactions on Communications 63 (9), 3118-3131, 2015
122015
Throughput maximization for buffer-aided hybrid half-/full-duplex relaying with self-interference
MG Khafagy, A El Shafie, A Sultan, MS Alouini
2015 IEEE International Conference on Communications (ICC), 1926-1931, 2015
122015
Space–Time Coding for an Energy Harvesting Cooperative Secondary Terminal
A El Shafie
IEEE Communications Letters 18 (9), 1571-1574, 2014
122014
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