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ORCIDAhmed El Shafie 0001
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- affiliation: Qatar University, Doha
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- Ahmed El-Shafie 0001
![[0000-0001-5018-8505]](https://dblp.org/img/orcid-mark.12x12.png "0000-0001-5018-8505")
(aka: Ahmed Hussein Kamel Ahmed Elshafie) — University of Malaya, Department of Civil Engineering, Faculty of Engineering, Kuala Lumpur, Malaysia
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2020 – today
- 2022
[j55]Mohamed Elsayed, Ahmed Badawy, Ahmed El Shafie, Amr Mohamed, Tamer Khattab:
A Deep Reinforcement Learning Framework for Data Compression in Uplink NOMA-SWIPT Systems. IEEE Internet Things J. 9(14): 11656-11674 (2022)- [j54]Sarbani Ghose, Ahmed El Shafie:
Enhanced physical layer security for energy harvesting relay-aided systems using joint relaying scheme. Internet Technol. Lett. 5(3) (2022) - [j53]Mohamed F. Marzban, Ahmed El Shafie, Ahmed K. Sultan, Naofal Al-Dhahir:
Securing Full-Duplex Amplify-and-Forward Relay-Aided Communications Through Processing-Time Optimization. IEEE Trans. Veh. Technol. 71(6): 6790-6794 (2022) - 2021
- [c36]Lutfi Samara, Abubakr O. Al-Abbasi, Ahmed El Shafie, Ridha Hamila, Naofal Al-Dhahir:
Secure AF Relaying in Power-Constrained UAV Networks. VTC Spring 2021: 1-7 - [i48]Mohamed F. Marzban, Ahmed El Shafie, Ahmed Kamal Sultan-Salem, Naofal Al-Dhahir:
Securing Full-Duplex Amplify-and-Forward Relay-Aided Transmissions Through Processing-Time Optimization. CoRR abs/2101.10002 (2021) - [i47]Mohamed F. Marzban, Ahmed El Shafie, Naofal Al-Dhahir:
Novel Secret-Key-Assisted Schemes for Secure MISOME-OFDM Systems. CoRR abs/2110.08707 (2021) - 2020
- [j52]Ahmed Badawy, Ahmed El Shafie, Tamer Khattab:
On the Performance of Quickest Detection Spectrum Sensing: The Case of Cumulative Sum. IEEE Commun. Lett. 24(4): 739-743 (2020) - [j51]Asma Mabrouk, Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir, Noureddine Hamdi:
Securing Untrusted Full-Duplex Relay Channels in the Presence of Multiple External Cluster-Based Eavesdroppers. IEEE Syst. J. 14(1): 665-668 (2020) - [j50]Pu Chen, Jian Ouyang, Wei-Ping Zhu, Min Lin, Ahmed El Shafie, Naofal Al-Dhahir:
Artificial-Noise-Aided Energy-Efficient Secure Beamforming for Multi-Eavesdroppers in Cognitive Radio Networks. IEEE Syst. J. 14(3): 3801-3812 (2020) - [j49]Tiep Minh Hoang, Ahmed El Shafie, Daniel Benevides da Costa, Trung Q. Duong, Hoang Duong Tuan, Alan Marshall:
Security and Energy Harvesting for MIMO-OFDM Networks. IEEE Trans. Commun. 68(4): 2593-2606 (2020) - [j48]Asma Mabrouk, Kamel Tourki, Ahmed El Shafie, Naofal Al-Dhahir:
Relay-Selection Refinement Scheme for Secrecy in Untrusted RF-EH Relay Systems With Adaptive Transmission Under Outdated CSI. IEEE Trans. Green Commun. Netw. 4(2): 423-432 (2020) - [j47]Ahmed Badawy, Ahmed El Shafie:
Securing OFDM-Based NOMA SWIPT Systems. IEEE Trans. Veh. Technol. 69(10): 12343-12347 (2020) - [c35]Mohamed Elsayed, Ahmed Badawy, Ahmed El Shafie, Amr Mohamed, Tamer Khattab:
Deep Reinforcement Learning Algorithm for Smart Data Compression under NOMA-Uplink Protocol. CCECE 2020: 1-6 - [i46]Ahmed Badawy, Ahmed El Shafie, Tamer Khattab:
On the Performance of Quickest Detection Spectrum Sensing: The Case of Cumulative Sum. CoRR abs/2001.07828 (2020) - [i45]Ahmed Badawy, Ahmed El Shafie:
Securing OFDM-Based NOMA SWIPT Systems. CoRR abs/2008.07039 (2020)
2010 – 2019
- 2019
- [j46]Mohamed F. Marzban, Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila:
Security-Enhanced SC-FDMA Transmissions Using Temporal Artificial-Noise and Secret Key Aided Schemes. IEEE Access 7: 14807-14824 (2019) - [j45]Ahmed El Shafie, Naofal Al-Dhahir, Zhiguo Ding, Trung Quang Duong, Ridha Hamila:
Wiretap TDMA Networks With Energy-Harvesting Rechargeable-Battery Buffered Sources. IEEE Access 7: 17215-17229 (2019) - [j44]Ahmed El Shafie:
Comparison Between TDMA and Random Multiple-Access Energy-Harvesting Networks Under Security Constraints. IEEE Commun. Lett. 23(2): 334-337 (2019) - [j43]Ahmed El Shafie, Hamadi Chihaoui, Ridha Hamila, Naofal Al-Dhahir, Adel Gastli, Lazhar Ben-Brahim:
Impact of Passive and Active Security Attacks on MIMO Smart Grid Communications. IEEE Syst. J. 13(3): 2873-2876 (2019) - [j42]Shimin Gong, Dinh Thai Hoang, Dusit Niyato, Ahmed El Shafie, Antonio De Domenico, Emilio Calvanese Strinati, Jakob Hoydis:
Introduction to the special section on deep reinforcement learning for future wireless communication networks. IEEE Trans. Cogn. Commun. Netw. 5(4): 1019-1023 (2019) - [j41]Ahmed M. Salama, Islam Samy, Ahmed El Shafie, Amr Mohamed, Tamer Khattab:
Centralized and Distributed Cognitive Relay-Selection Schemes for SWIPT Cognitive Networks. IEEE Trans. Commun. 67(11): 7431-7443 (2019) - [j40]Ahmed El Shafie, Naofal Al-Dhahir, Zhiguo Ding, Ridha Hamila:
On the Delay/Throughput-Security Tradeoff in Wiretap TDMA Networks With Buffered Nodes. IEEE Trans. Wirel. Commun. 18(8): 3948-3960 (2019) - 2018
- [j39]Ahmed El Shafie, Tamer Khattab, Amr El-Keyi:
Energy-efficient cooperative cognitive relaying schemes for cognitive radio networks. Phys. Commun. 30: 179-192 (2018) - [j38]Ahmed ElSamadouny, Ahmed El Shafie, Mohamed M. Abdallah, Naofal Al-Dhahir:
Secure Sum-Rate-Optimal MIMO Multicasting Over Medium-Voltage NB-PLC Networks. IEEE Trans. Smart Grid 9(4): 2954-2963 (2018) - [j37]Ahmed El Shafie, Ahmed Kamal Sultan-Salem, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir:
Secret-Key-Aided Scheme for Securing Untrusted DF Relaying Networks. IEEE Trans. Veh. Technol. 67(7): 6727-6731 (2018) - [j36]Yanjie Dong, Ahmed El Shafie, Md. Jahangir Hossain, Julian Cheng, Naofal Al-Dhahir, Victor C. M. Leung:
Secure Beamforming in Full-Duplex MISO-SWIPT Systems With Multiple Eavesdroppers. IEEE Trans. Wirel. Commun. 17(10): 6559-6574 (2018) - [j35]Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir, Ridha Hamila:
A Secret-Key-Aided Scheme to Secure Transmissions From Single-Antenna RF-EH Source Nodes. IEEE Wirel. Commun. Lett. 7(2): 238-241 (2018) - [j34]Mohammed Hafez, Ahmed El Shafie, Mohammad Shaqfeh, Tamer Khattab, Hussein M. Alnuweiri, Hüseyin Arslan:
Thresholds Optimization for One-Bit Feedback Multi-User Scheduling. IEEE Wirel. Commun. Lett. 7(4): 646-649 (2018) - [c34]Mohamed F. Marzban, Ahmed El Shafie, Rakan C. Chabaan, Naofal Al-Dhahir:
Securing OFDM-based wireless links using temporal artificial-noise injection. CCNC 2018: 1-6 - [c33]Ahmed El Shafie, Mohamed F. Marzban, Rakan Chabaan, Naofal Al-Dhahir:
A hybrid artificial-noise and secret-key scheme for securing OFDM transmissions in V2G networks. CCNC 2018: 1-6 - [c32]Yanjie Dong, Ahmed El Shafie, Md. Jahangir Hossain, Julian Cheng, Naofal Al-Dhahir, Victor C. M. Leung:
Secure Beamforming in Full-Duplex SWIPT Systems with Loopback Self-Interference Cancellation. ICC 2018: 1-6 - [c31]Mohamed F. Marzban, Ahmed El Shafie, Rakan Chabaan, Naofal Al-Dhahir:
Securing SC-FDE Uplink Transmissions Using Temporal Artificial Noise under Three Detection Strategies. ICC Workshops 2018: 1-6 - [c30]Ahmed El Shafie, Mohamed F. Marzban, Rakan Chabaan, Naofal Al-Dhahir:
An Artificial-Noise-Aided Secure Scheme for Hybrid Parallel PLC/Wireless OFDM Systems. ICC 2018: 1-6 - [c29]Tiep Minh Hoang, Ahmed El Shafie, Trung Quang Duong, Hoang Duong Tuan, Alan Marshall:
Security in MIMO-OFDM SWIPT Networks. PIMRC 2018: 1-6 - [c28]Asma Mabrouk, Kamel Tourki, Ahmed El Shafie, Naofal Al-Dhahir, Noureddine Hamdi:
Adaptive Transmission for Secure AN-Aided Cooperative Networks with RF-EH Untrusted Relaying using Outdated CSI. PIMRC 2018: 1-5 - [i44]Yanjie Dong, Ahmed El Shafie, Md. Jahangir Hossain, Julian Cheng, Naofal Al-Dhahir, Victor C. M. Leung:
Secure Beamforming in Full-Duplex SWIPT Systems With Loopback Self-Interference Cancellation. CoRR abs/1801.02609 (2018) - [i43]Ahmed El Shafie, Mohamed F. Marzban, Rakan Chabaan, Naofal Al-Dhahir:
A Hybrid Artificial-Noise and Secret-Key Scheme for Securing OFDM Transmissions in V2G Networks. CoRR abs/1803.00210 (2018) - [i42]Mohamed F. Marzban, Ahmed El Shafie, Rakan Chabaan, Naofal Al-Dhahir:
Securing OFDM-Based Wireless Links Using Temporal Artificial-Noise Injection. CoRR abs/1803.00211 (2018) - [i41]Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir, Mazen O. Hasna:
Securing Untrusted Full-Duplex Relay Channels in the Presence of Multiple External Cluster-Based Eavesdroppers. CoRR abs/1803.02412 (2018) - [i40]Mohamed F. Marzban, Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila:
Security-Enhanced SC-FDMA Transmissions Using Temporal Artificial-Noise and Secret-Key Aided Schemes. CoRR abs/1805.04768 (2018) - 2017
- [j33]Ahmed El Shafie, Dusit Niyato, Ridha Hamila, Naofal Al-Dhahir:
Impact of the Wireless Network's PHY Security and Reliability on Demand-Side Management Cost in the Smart Grid. IEEE Access 5: 5678-5689 (2017) - [j32]Ahmed El Shafie, Ahmed K. Sultan, Ioannis Krikidis, Naofal Al-Dhahir, Ridha Hamila:
Achievable Rates of Buffer-Aided Full-Duplex Gaussian Relay Channels. IEEE Access 5: 23776-23791 (2017) - [j31]Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir, Ridha Hamila:
Securing Untrusted RF-EH Relay Networks Using Cooperative Jamming Signals. IEEE Access 5: 24353-24367 (2017) - [j30]Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir:
Security of an Ordered-Based Distributive Jamming Scheme. IEEE Commun. Lett. 21(1): 72-75 (2017) - [j29]Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir:
An Artificial-Noise-Aided Hybrid TS/PS Scheme for OFDM-Based SWIPT Systems. IEEE Commun. Lett. 21(3): 632-635 (2017) - [j28]Ahmed El Shafie, Kamel Tourki, Zhiguo Ding, Naofal Al-Dhahir:
Probabilistic Jamming/Eavesdropping Attacks to Confuse a Buffer-Aided Transmitter-Receiver Pair. IEEE Commun. Lett. 21(7): 1549-1552 (2017) - [j27]Asma Mabrouk, Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir:
Adaptive Secure Transmission for RF-EH Untrusted Relaying with Alien Eavesdropping. IEEE Commun. Lett. 21(11): 2516-2519 (2017) - [j26]Asma Mabrouk, Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir:
AN-Aided Relay-Selection Scheme for Securing Untrusted RF-EH Relay Systems. IEEE Trans. Green Commun. Netw. 1(4): 481-493 (2017) - [j25]Ahmed El Shafie, Zhiguo Ding, Naofal Al-Dhahir:
Hybrid Spatio-Temporal Artificial Noise Design for Secure MIMOME-OFDM Systems. IEEE Trans. Veh. Technol. 66(5): 3871-3886 (2017) - [j24]Ahmed El Shafie, Trung Quang Duong, Naofal Al-Dhahir:
QoS-Aware Enhanced-Security for TDMA Transmissions from Buffered Source Nodes. IEEE Trans. Wirel. Commun. 16(2): 1051-1065 (2017) - [j23]Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir:
A Secure Relay Selection AN-Aided Scheme for Dual-Hop DF Relay Networks With Two-Sided Eavesdropping. IEEE Wirel. Commun. Lett. 6(4): 474-477 (2017) - [j22]Ahmed El Shafie, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir:
Efficient AN-Aided Scheme to Power RF-EH Source Nodes and Secure Their Transmissions. IEEE Wirel. Commun. Lett. 6(5): 670-673 (2017) - [c27]Mostafa Sayed, Ahmed El Shafie, Mahmoud Elgenedy, Rakan C. Chabaan, Naofal Al-Dhahir:
Enhancing the reliability of two-way vehicle-to-grid communications. Intelligent Vehicles Symposium 2017: 1922-1927 - [i39]Ahmed El Shafie, Ahmed K. Sultan, Ioannis Krikidis, Naofal Al-Dhahir:
Mutual Information of Buffer-Aided Full-Duplex Relay Channels. CoRR abs/1704.02596 (2017) - [i38]Ahmed El Shafie, Ahmed K. Sultan, Asma Mabrouk, Kamel Tourki, Naofal Al-Dhahir:
Secret-Key-Aided Scheme for Securing Untrusted DF Relaying Networks. CoRR abs/1706.03444 (2017) - [i37]Ahmed El Shafie, Kamel Tourki, Zhiguo Ding, Naofal Al-Dhahir:
Probabilistic Jamming/Eavesdropping Attacks to Confuse a Buffer-Aided Transmitter-Receiver Pair. CoRR abs/1706.05442 (2017) - [i36]Ahmed El Shafie, Zhiguo Ding, Naofal Al-Dhahir:
Hybrid Spatio-Temporal Artificial Noise Design for Secure MIMOME-OFDM Systems. CoRR abs/1706.06225 (2017) - [i35]Mohammed Hafez, Ahmed El Shafie, Mohammad Shaqfeh, Tamer Khattab, Hussein M. Alnuweiri, Hüseyin Arslan:
Thresholds Optimization for One-Bit Feedback Multi-User Scheduling. CoRR abs/1708.09551 (2017) - [i34]Yanjie Dong, Ahmed El Shafie, Md. Jahangir Hossain, Julian Cheng, Naofal Al-Dhahir, Victor C. M. Leung:
Secure Beamforming in Full-Duplex SWIPT Systems. CoRR abs/1709.06623 (2017) - [i33]Ahmed El Shafie, Mohamed F. Marzban, Rakan C. Chabaan, Naofal Al-Dhahir:
An Artificial-Noise-Aided Secure Scheme for Hybrid Parallel PLC/Wireless OFDM Systems. CoRR abs/1710.11009 (2017) - [i32]Ahmed El Shafie, Hamadi Chihaoui, Ridha Hamila, Naofal Al-Dhahir, Adel Gastli, Lazhar Ben-Brahim:
On the Monetary Loss Due to Passive and Active Attacks on MIMO Smart Grid Communications. CoRR abs/1711.02168 (2017) - 2016
- [j21]Ahmed El Shafie, Tamer Khattab, Ahmed K. Sultan:
Relay-Assisted Primary and Secondary Transmissions in Cognitive Radio Networks. IEEE Access 4: 6386-6400 (2016) - [j20]Ahmed El Shafie, Tamer Khattab:
Throughput of a cooperative energy harvesting secondary user in cognitive radio networks. Trans. Emerg. Telecommun. Technol. 27(10): 1365-1379 (2016) - [j19]Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir:
Artificial-Noise-Aided Secure MIMO Full-Duplex Relay Channels With Fixed-Power Transmissions. IEEE Commun. Lett. 20(8): 1591-1594 (2016) - [j18]Ahmed El Shafie, Ahmed K. Sultan, Naofal Al-Dhahir:
Physical-Layer Security of a Buffer-Aided Full-Duplex Relaying System. IEEE Commun. Lett. 20(9): 1856-1859 (2016) - [j17]Ahmed El Shafie, Tamer Khattab, Amr El-Keyi, Mohammed Nafie:
Maximum Secondary Stable Throughput of a Cooperative Secondary Transmitter-Receiver Pair: Protocol Design and Stability Analysis. IEEE Trans. Veh. Technol. 65(7): 4937-4951 (2016) - [j16]Ahmed El Shafie, Naofal Al-Dhahir:
Secure Communications in the Presence of a Buffer-Aided Wireless-Powered Relay With Self-Energy Recycling. IEEE Wirel. Commun. Lett. 5(1): 32-35 (2016) - [j15]Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir:
Security of Rechargeable Energy-Harvesting Transmitters in Wireless Networks. IEEE Wirel. Commun. Lett. 5(4): 384-387 (2016) - [j14]Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir:
Enhancing the PHY-Layer Security of MIMO Buffer-Aided Relay Networks. IEEE Wirel. Commun. Lett. 5(4): 400-403 (2016) - [j13]Ahmed El Shafie, Tamer Khattab, Amr El-Keyi, Mohammed Nafie:
On the coexistence of a primary user with an energy harvesting secondary user: a case of cognitive cooperation. Wirel. Commun. Mob. Comput. 16(2): 166-176 (2016) - [c26]Mahmoud Elgenedy, Mostafa Sayed, Ahmed El Shafie, Il Han Kim, Naofal Al-Dhahir:
Cyclostationary Noise Modeling Based on Frequency-Shift Filtering in NB-PLC. GLOBECOM 2016: 1-6 - [c25]Ahmed El Shafie, Zhiguo Ding, Naofal Al-Dhahir:
Spatio-Temporal Artificial Noise Design for Secure MISOSE-OFDM Systems. GLOBECOM 2016: 1-6 - [c24]Ahmed El Shafie, Trung Quang Duong, Naofal Al-Dhahir:
QoS-Based Design for Security Enhancement in TDMA-Based Wireless Networks. GLOBECOM Workshops 2016: 1-7 - [i31]Ahmed El Shafie:
Cognitive Access Protocol for Alleviating Sensing Errors in Cognitive Multiple-Access Systems. CoRR abs/1610.09449 (2016) - [i30]Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila:
Sparsity-Cognizant Multiple-Access Schemes for Large Wireless Networks With Node Buffers. CoRR abs/1612.05715 (2016) - [i29]Ahmed El Shafie, Ahmed K. Sultan, Naofal Al-Dhahir:
Physical-Layer Security of a Buffer-Aided Full-Duplex Relaying~System. CoRR abs/1612.05881 (2016) - [i28]Ahmed El Shafie, Dusit Niyato, Naofal Al-Dhahir:
Security of Rechargeable Energy-Harvesting Transmitters in Wireless Networks. CoRR abs/1612.05885 (2016) - [i27]Ahmed El Shafie, Naofal Al-Dhahir:
Secure Communications in the Presence of a Buffer-Aided Wireless-Powered Relay With Self-Energy Recycling. CoRR abs/1612.05887 (2016) - [i26]Ahmed El Shafie, Kamel Tourki, Naofal Al-Dhahir:
An Artificial-Noise-Aided Hybrid TS/PS Scheme for OFDM-Based SWIPT Systems. CoRR abs/1612.06056 (2016) - [i25]Ahmed El Shafie, Naofal Al-Dhahir:
A Secure Multiple-Access Scheme for Rechargeable Wireless Sensors in the Presence of an Eavesdropper. CoRR abs/1612.08067 (2016) - [i24]Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila:
Cooperative Access Schemes for Efficient SWIPT Transmissions in Cognitive Radio Networks. CoRR abs/1612.08076 (2016) - 2015
- [j12]Ahmed El Shafie, Naofal Al-Dhahir:
A Secure Multiple-Access Scheme for Rechargeable Wireless Sensors in the Presence of an Eavesdropper. IEEE Commun. Lett. 19(6): 945-948 (2015) - [j11]Ahmed El Shafie, Tamer Khattab, Ahmed K. Sultan, H. Vincent Poor:
On the Design of a Relay-Assisted Network. IEEE Commun. Lett. 19(7): 1153-1156 (2015) - [j10]Ahmed El Shafie, Ahmed K. Sultan-Salem:
Comments on "Optimal utilization of a cognitive shared channel with a rechargeable primary source node". J. Commun. Networks 17(3): 265-266 (2015) - [j9]Ahmed El Shafie, Tamer Khattab:
On Orthogonal Band Allocation for Multiuser Multiband Cognitive Radio Networks: Stability Analysis. IEEE Trans. Commun. 63(1): 37-50 (2015) - [j8]Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila:
A Sparsity-Aware Cooperative Protocol for Cognitive Radio Networks With Energy-Harvesting Primary User. IEEE Trans. Commun. 63(9): 3118-3131 (2015) - [j7]Ahmed El Shafie, Naofal Al-Dhahir:
On Secure Communications Over a Wiretap Channel With Fixed-Rate Transmission: Protocol Design and Queueing Analysis. IEEE Wirel. Commun. Lett. 4(4): 453-456 (2015) - [c23]Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila:
Cooperative Access Schemes for Efficient SWIPT Transmissions in Cognitive Radio Networks. GLOBECOM Workshops 2015: 1-6 - [c22]Mohammad Galal Khafagy, Ahmed El Shafie, Ahmed K. Sultan, Mohamed-Slim Alouini:
Throughput maximization for buffer-aided hybrid half-/full-duplex relaying with self-interference. ICC 2015: 1926-1931 - [c21]Ahmed El Shafie, Tamer Khattab:
Energy-efficient cooperative relaying protocol for full-duplex cognitive radio users and delay-aware primary users. ICNC 2015: 207-213 - [c20]Ahmed El Shafie, Mahmoud Ashour, Tamer Khattab, Amr Mohamed:
On spectrum sharing between energy harvesting cognitive radio users and primary users. ICNC 2015: 214-220 - [c19]Ahmed El Shafie, Mahmoud Ashour, Amr Mohamed, Tamer Khattab:
Optimal spectrum access for a rechargeable cognitive radio user based on energy buffer state. ICNC 2015: 242-247 - [c18]Mahmoud Ashour, Ahmed El Shafie, Amr Mohamed, Tamer Khattab:
Power-optimal feedback-based random spectrum access for an energy harvesting cognitive user. ICNC 2015: 462-468 - [c17]Ahmed H. Anwar, Ahmed El Shafie, Amr Mohamed, Tamer A. ElBatt, Mohsen Guizani:
Interference-based optimal power-efficient access scheme for cognitive radio networks. ICNC 2015: 962-967 - [c16]Homa Eghbali, Ahmed El Shafie, Junho Lee, Sami Muhaidat, Naofal Al-Dhahir:
MMSE sparse beamforming for power-constrained large two-way relay AF networks. ISSPIT 2015: 443-448 - [c15]Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila:
Sparsity-Cognizant Multiple-Access Schemes for Large Wireless Networks with Node Buffers. MASS 2015: 271-279 - [c14]Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab, H. Vincent Poor:
On the design of relay-assisted primary-secondary networks. WCNC 2015: 890-895 - [c13]Ahmed El Shafie, Naofal Al-Dhahir, Ridha Hamila:
Exploiting sparsity of relay-assisted cognitive radio networks. WCNC 2015: 1153-1158 - 2014
- [j6]Ahmed El Shafie:
Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio with and without Primary Feedback Leveraging. EAI Endorsed Trans. Cogn. Commun. 1(1): e3 (2014) - [j5]Ahmed El Shafie:
Space-Time Coding for an Energy Harvesting Cooperative Secondary Terminal. IEEE Commun. Lett. 18(9): 1571-1574 (2014) - [j4]Ahmed El Shafie, Mohammad Galal Khafagy, Ahmed K. Sultan:
Optimization of a Relay-Assisted Link With Buffer State Information at the Source. IEEE Commun. Lett. 18(12): 2149-2152 (2014) - [j3]Ahmed El Shafie:
Cognitive Access Protocol for Alleviating Sensing Errors in Cognitive Multiple-Access Systems. IEEE Wirel. Commun. Lett. 3(3): 297-300 (2014) - [c12]Ahmed El Shafie, Tamer Khattab:
Cooperative cognitive relaying under primary and secondary quality of service satisfaction. PIMRC 2014: 953-958 - [c11]Ahmed El Shafie, Tamer Khattab:
Throughput maximization via adjusting packet size of a buffered cognitive radio user. PIMRC 2014: 1024-1029 - [c10]Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab:
Probabilistic band-splitting for a buffered cooperative cognitive terminal. PIMRC 2014: 1030-1035 - [c9]Ahmed El Shafie, Tamer Khattab:
Maximum throughput of a cooperative energy harvesting cognitive radio user. PIMRC 2014: 1067-1072 - [c8]Ahmed El Shafie, Tamer Khattab:
Spectrum-Aggregating Cognitive Multi-Antenna User with Multiple Primary Users. VTC Fall 2014: 1-5 - [c7]Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab:
Band allocation for cognitive radios with buffered primary and secondary users. WCNC 2014: 1508-1513 - [c6]Ahmed El Shafie, Tamer Khattab, H. Vincent Poor:
Protocol design and stability analysis of cooperative cognitive radio users. WCNC 2014: 1520-1525 - [c5]Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab:
Maximum throughput of a secondary user cooperating with an energy-aware primary user. WiOpt 2014: 287-294 - [i23]Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab:
Band Allocation for Cognitive Radios with Buffered Primary and Secondary Users. CoRR abs/1401.0214 (2014) - [i22]Ahmed El Shafie:
Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio with and without Primary Feedback Leveraging. CoRR abs/1401.0340 (2014) - [i21]Ahmed El Shafie, Tamer Khattab:
Maximum Throughput for a Cognitive Radio Multi-Antenna User with Multiple Primary Users. CoRR abs/1401.2119 (2014) - [i20]Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab:
Relay-Assisted Primary and Secondary Transmissions. CoRR abs/1401.3168 (2014) - [i19]Ahmed El Shafie, Ahmed K. Sultan:
Comments on "Optimal Utilization of a Cognitive Shared Channel with a Rechargeable Primary Source Node". CoRR abs/1401.3174 (2014) - [i18]Ahmed El Shafie, Tamer Khattab:
Cooperative Cognitive Relaying Protocol for an Energy Harvesting Cognitive Radio User. CoRR abs/1401.3387 (2014) - [i17]Ahmed El Shafie, Tamer Khattab:
Optimal Cooperative Cognitive Relaying and Spectrum Access for an Energy Harvesting Cognitive Radio: Reinforcement Learning Approach. CoRR abs/1403.7735 (2014) - [i16]Ahmed H. Anwar, Ahmed El Shafie, Amr Mohamed, Tamer A. ElBatt, Mohsen Guizani:
Interference-based Optimal Power-efficient Access Scheme for Cognitive Radio Networks. CoRR abs/1404.1113 (2014) - [i15]Ahmed El Shafie, Tamer Khattab:
Cooperative Cognitive Relaying Under Primary and Secondary Quality of Service Satisfaction. CoRR abs/1404.6667 (2014) - [i14]Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab:
Probabilistic Band-Splitting for a Buffered Cooperative Cognitive Terminal. CoRR abs/1405.2814 (2014) - [i13]Ahmed El Shafie, Tamer Khattab:
On Orthogonal Band Allocation for Multi-User Mutli-Band Cognitive Radio Networks. CoRR abs/1405.2815 (2014) - [i12]Ahmed El Shafie, Ahmed K. Sultan, Tamer Khattab:
Maximum Throughput of a Secondary User Cooperating with an Energy-Aware Primary User. CoRR abs/1405.2816 (2014) - [i11]Ahmed El Shafie, Tamer Khattab, Amr El-Keyi, H. Vincent Poor:
Energy-Efficient Cooperative Cognitive Relaying Protocols for Full-Duplex Cognitive Radio Users and Delay-Aware Primary Users. CoRR abs/1406.2255 (2014) - [i10]Mahmoud Ashour, Ahmed El Shafie, Amr Mohamed, Tamer Khattab:
Power-Optimal Feedback-Based Random Spectrum Access for an Energy Harvesting Cognitive User. CoRR abs/1406.6321 (2014) - [i9]Ahmed El Shafie, Mahmoud Ashour, Tamer Khattab, Amr Mohamed:
On Spectrum Sharing Between Energy Harvesting Cognitive Radio Users and Primary Users. CoRR abs/1407.7267 (2014) - [i8]Ahmed El Shafie, Mahmoud Ashour, Amr Mohamed, Tamer Khattab:
Optimal Spectrum Access for a Rechargeable Cognitive Radio User Based on Energy Buffer State. CoRR abs/1409.1272 (2014) - 2013
- [j2]Ahmed El Shafie, Ahmed K. Sultan:
Optimal Random Access for a Cognitive Radio Terminal with Energy Harvesting Capability. IEEE Commun. Lett. 17(6): 1128-1131 (2013) - [j1]Ahmed El Shafie, Ahmed K. Sultan-Salem:
Stability Analysis of an Ordered Cognitive Multiple-Access Protocol. IEEE Trans. Veh. Technol. 62(6): 2678-2689 (2013) - [c4]Ahmed El Shafie, Amr El-Keyi, Tamer Khattab, Mohammed Nafie:
Transmit and receive cooperative cognition: Protocol design and stability analysis. CrownCom 2013: 231-237 - [c3]Ahmed El Shafie, Ahmed K. Sultan:
Optimal selection of spectrum sensing duration for an energy harvesting cognitive radio. GLOBECOM 2013: 1020-1025 - [i7]Ahmed El Shafie, Tamer Khattab, Amr El-Keyi, Mohammed Nafie:
Cooperation Between a Primary Terminal and an Energy Harvesting Cognitive Radio Terminal. CoRR abs/1307.4744 (2013) - [i6]Ahmed El Shafie, Ahmed K. Sultan:
Optimal Selection of Spectrum Sensing Duration for an Energy Harvesting Cognitive Radio. CoRR abs/1309.6395 (2013) - [i5]Ahmed El Shafie, Tamer Khattab, H. Vincent Poor:
Protocol Design and Stability Analysis of Cooperative Cognitive Radio Users. CoRR abs/1311.2903 (2013) - 2012
- [c2]Ahmed El Shafie, Ahmed K. Sultan:
Cooperative cognitive relaying with ordered cognitive multiple access. GLOBECOM 2012: 1416-1421 - [c1]Ahmed El Shafie, Ahmed K. Sultan:
Optimal random access and random spectrum sensing for an energy harvesting cognitive radio. WiMob 2012: 403-410 - [i4]Ahmed El Shafie, Amr El-Keyi, Tamer Khattab, Mohammed Nafie:
Cooperation via Cognitive System: Protocol Design and Performance Analysis. CoRR abs/1206.6302 (2012) - [i3]Ahmed El Shafie:
Optimal Spectrum Access for Cognitive Radios. CoRR abs/1208.4508 (2012) - [i2]Ahmed El Shafie, Ahmed K. Sultan:
Cooperative Cognitive Relaying with Ordered Cognitive Multiple Access. CoRR abs/1208.5616 (2012) - [i1]Ahmed El Shafie, Ahmed K. Sultan:
Optimal Random Access and Random Spectrum Sensing for an Energy Harvesting Cognitive Radio. CoRR abs/1208.5659 (2012)
Coauthor Index
[j53] [c36] [i48] [i47] [j51] [j50] [j48] [j46] [j45] [j43] [j40] [j38] [j37] [j36] [j35] [c34] [c33] [c32] [c31] [c30] [c28] [i44] [i43] [i42] [i41] [i40] [j33] [j32] [j31] [j30] [j29] [j28] [j27] [j26] [j25] [j24] [j23] [j22] [c27] [i39] [i38] [i37] [i36] [i34] [i33] [i32] [j19] [j18] [j16] [j15] [j14] [c26] [c25] [c24] [i30] [i29] [i28] [i27] [i26] [i25] [i24] [j12] [j8] [j7] [c23] [c16] [c15] [c13]
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