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Walaa Hamouda
Researcher at Concordia University
Publications - 278
Citations - 4778
Walaa Hamouda is an academic researcher from Concordia University. The author has contributed to research in topics: Fading & MIMO. The author has an hindex of 26, co-authored 266 publications receiving 3666 citations. Previous affiliations of Walaa Hamouda include Queen's University & Concordia University Wisconsin.
Papers
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Journal ArticleDOI
Multi-Relay Turbo-Coded Cooperative Diversity Networks Over Nakagami- $m$ Fading Channels
TL;DR: This paper studies a multi-relay adaptive turbo-coded cooperative diversity scheme over Nakagami- m fading channels and examines the asymptotic behavior of the system in the high-signal-to-noise-ratio (SNR) regime using the derived pairwise error probability (PEP).
Proceedings ArticleDOI
Antenna/Relay Selection for Coded Wireless Cooperative Networks
TL;DR: This paper proposes to use antenna selection at the relay node whereby the antenna with the best instantaneous received signal to noise ratio is selected, and derives an upper bounded expression for the symbol error rate assuming M-ary phase shift keying (M-PSK) transmission.
Journal ArticleDOI
Automatic Modulation Recognition in Wireless Multi-carrier Wireless Systems with Cepstral Features
Mohamed El-Hady Magdy Keshk Keshk,Mohammed Abd El-Naby,Rasha M. Al-Makhlasawy,Heba A. El-Khobby,Walaa Hamouda,Mustafa M. Abd Elnaby,El-Sayed M. El-Rabaie,Moawad I. Dessouky,Saleh A. Alshebeili,Fathi E. Abd El-Samie +9 more
TL;DR: Simulation results show that the proposed ADMR algorithm provides higher recognition rates than those obtained in previous studies, in addition to a superiority of SVM performance compared to ANN performance at low signal-to-noise ratios.
Proceedings ArticleDOI
A transmit diversity scheme using space-time spreading for DS-CDMA systems in Rayleigh fading channels
Walaa Hamouda,Mohamed AlJerjawi +1 more
TL;DR: A simple space-time spreading scheme for code-division multiple-access (CDMA) systems over fast-fading channels is proposed and it is shown that the proposed coding scheme reduces to existing schemes introduced in the literature with no performance degradation.
Journal ArticleDOI
Physical-Layer Security on Maximal Ratio Combining for SIMO Cognitive Radio Networks over Cascaded κ-μ Fading Channels
Deemah H. Tashman,Walaa Hamouda +1 more
TL;DR: Results indicate the evident effect of the cascade level and the number of antennas at the eavesdropper over the secrecy of the SUs pair and reveal that PLS can be strengthened by increasing the number-of- antenna at the legitimate receiver.