Soft decision decoding of block codes using artificial neural network. - Said Esmail El-Khamy; El-Sayed A. Youssef; H. M. Abdou (ISCC, 1995)

GMSK/DS spread-spectrum signaling with two-bit differential detection over mobile channels with frequency-selective fading. - Said E. El-Khamy; El-Sayed A. Youssef; A. A. El-Shamly (ISCC, 1997)

Matched chaotic maps watermarking and authentication. - Mohamed R. M. Rizk; Said Esmail El-Khamy; El-Sayed A. Youssef (CompIMAGE Special Track, 2010)

Cooperative Delay-Constrained Cognitive Radio Networks: Throughput Maximization with Full-Duplex Capability Impact. - Ali Gaber; El-Sayed A. Youssef; Mohamed R. M. Rizk; Mohamed Salman; Karim G. Seddik (CrownCom, 2019)

Cooperative Delay-Constrained Cognitive Radio Networks: Delay-Throughput Trade-Off With Relaying Full-Duplex Capability. - Ali Gaber; El-Sayed A. Youssef; Mohamed R. M. Rizk; Mohamed Salman; Karim G. Seddik (IEEE Access, 2020)