Slime mould algorithm based fuzzy linear CFO estimation in wireless sensor networks

M Prabhu, B Muthu Kumar, A Ahilan - IETE Journal of Research, 2024 - Taylor & Francis
Orthogonal Frequency-Division Multiplexing (OFDM) is a form of digital systems and a way
of encoding digital data across multiple frequency components that is used in …

A modified recursive non-quadratic algorithm for adaptive channel equalization

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 …

Equalization and blind CFO estimation for performance enhancement of OFDM communication systems using discrete cosine transform

K Ramadan, MI Dessouky… - International Journal …, 2020 - Wiley Online Library
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 …

Joint low‐complexity equalization and CFO estimation and compensation for UWA‐OFDM communication systems

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 …

Application of hash function for generation of modulation data in RadCom system

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 …

Modified OFDM configurations with equalization and CFO compensation for performance enhancement of OFDM communication systems using symmetry of 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 …

Joint equalization and CFO compensation for performance enhancement of MIMO-OFDM communication systems using different transforms with banded-matrix …

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 …

Equalization and co-carrier frequency offsets compensations for UWA-OFDM communication systems

K Ramadan, MI Dessouky, FEA El-Samie - Wireless Personal …, 2022 - Springer
Abstract The Underwater Acoustic (UWA) wireless communication system is considered one
of the most challenging systems for data transmission. The Orthogonal Frequency Division …

Efficient equalization and carrier frequency offset compensation for underwater wireless communication systems

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 …

Performance enhancement of UWA‐OFDM communication systems based on FWHT

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 …