F Lounoughi, M Djendi - Applied Acoustics, 2025 - Elsevier
This paper proposes a solution to reduce the inter symbol interferences (ISI) in multipath channels with frequency selective fading. The proposed solution is based on a Modified …
In wireless communication systems, equalization is one of the most important schemes to improve the system performance. This paper consists of two main parts. The first part …
K Ramadan, KF Ramadan, AS Fiky… - International Journal …, 2020 - Wiley Online Library
Frequency synchronization has a great importance in preserving the performance of the underwater acoustic (UWA) orthogonal frequency division multiplexing (OFDM) systems …
T Krejčí, T Zálabský, D Kopecký, G Trivedi - Digital Signal Processing, 2022 - Elsevier
The challenge of current radiocommunication systems is the efficient use of the frequency spectrum. One of the rapidly evolving tools is a RadCom system, which combines the …
K Ramadan, MI Dessouky, FE Abd El-Samie - AEU-International Journal of …, 2020 - Elsevier
Abstract The Orthogonal Frequency Division Multiplexing (OFDM) systems allow efficient spectrum usage and simple Frequency Domain Equalization (FDE). However, a large …
K Ramadan, MI Dessouky, FE Abd El-Samie - AEU-International Journal of …, 2020 - Elsevier
Abstract The conventional Zero Forcing (ZF), and Minimum Mean Square Error (MMSE) equalizers suffer from noise enhancement, and high complexity, respectively. Moreover, the …
Abstract The Underwater Acoustic (UWA) wireless communication system is considered one of the most challenging systems for data transmission. The Orthogonal Frequency Division …
K Ramadan, MS Elbakry - Annals of Data Science, 2022 - Springer
Underwater Acoustic (UWA) wireless communication systems are plagued by a slew of flaws that restrict their performance. This includes factors such as high attenuation in seawater …
M El‐Mahallawy, AT Eldien - International Journal of …, 2019 - Wiley Online Library
The available bandwidth of underwater environment tends to several kilohertz, which considers the main challenges of communications under sea water. On the other hand, the …