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16 Results Found

  • Article
  • Open Access
13 Citations
4,040 Views
13 Pages

25 April 2019

Advanced metering infrastructure (AMI) is an important application of smart grid communication technology used for the remote monitoring and control of smart meters. Broadband powerline communication (BB-PLC) systems could perhaps be used for AMI; ho...

  • Article
  • Open Access
6 Citations
3,189 Views
19 Pages

Indoor Wavelet OFDM VLC-MIMO System: Performance Evaluation

  • Waleed K. Badawi,
  • Marwa G. El-Hossary and
  • Moustafa H. Aly

5 February 2021

Both light emitting diode (LED) characteristics for illumination and communication simultaneously have made visible light communication-orthogonal frequency division multiplexing (VLC-OFDM) a strong competitive to radio frequency (RF). In this junctu...

  • Article
  • Open Access
3 Citations
5,785 Views
12 Pages

23 March 2016

Narrowband Power Line Communications (NB-PLCs) are investigated as an alternative option for transferring low rate smart grid (SG) data via Medium Voltage (MV) power lines. In this framework, two variants of orthogonal frequency division multiplexing...

  • Article
  • Open Access
24 Citations
4,949 Views
15 Pages

26 May 2018

Channel estimation is a key technology in improving the performance of the orthogonal frequency division multiplexing (OFDM) system. The pilot-based channel estimation method decreases the spectral efficiency and data transmission rate. Some conventi...

  • Article
  • Open Access
546 Views
19 Pages

11 October 2025

This paper presents a modified Orthogonal Frequency Division Multiplexing (OFDM) system that combines Discrete Wavelet Transform (DWT) with Discrete Sine Transform (DST) to enhance data rate capacity over traditional Discrete Fourier Transform (DFT)-...

  • Article
  • Open Access
702 Views
20 Pages

9 December 2025

Background: With the development of wireless communication technologies, the rapid advancement of 5G and 6G communication systems has spawned an urgent demand for low latency and high data rates. Orthogonal Frequency Division Multiplexing (OFDM) comm...

  • Article
  • Open Access
13 Citations
3,794 Views
19 Pages

A Novel GFDM Waveform Design Based on Cascaded WHT-LWT Transform for the Beyond 5G Wireless Communications

  • Meryem Maraş,
  • Elif Nur Ayvaz,
  • Meltem Gömeç,
  • Asuman Savaşcıhabeş and
  • Ali Özen

5 March 2021

In this paper, a new WHT-LWT-GFDM waveform obtained by combining Walsh–Hadamard Transform (WHT), Lifting Wavelet Transform (LWT), and Generalized Frequency Division Multiplexing (GFDM) is presented for use in next-generation wireless communication sy...

  • Article
  • Open Access
1,578 Views
38 Pages

Improving Audio Steganography Transmission over Various Wireless Channels

  • Azhar A. Hamdi,
  • Asmaa A. Eyssa,
  • Mahmoud I. Abdalla,
  • Mohammed ElAffendi,
  • Ali Abdullah S. AlQahtani,
  • Abdelhamied A. Ateya and
  • Rania A. Elsayed

Ensuring the security and privacy of confidential data during transmission is a critical challenge, necessitating advanced techniques to protect against unwarranted disclosures. Steganography, a concealment technique, enables secret information to be...

  • Article
  • Open Access
6 Citations
6,375 Views
20 Pages

Efficient Implementation of a Symbol Timing Estimator for Broadband PLC

  • Francisco Nombela,
  • Enrique García,
  • Raúl Mateos and
  • Álvaro Hernández

21 August 2015

Broadband Power Line Communications (PLC) have taken advantage of the research advances in multi-carrier modulations to mitigate frequency selective fading, and their adoption opens up a myriad of applications in the field of sensory and automation s...

  • Article
  • Open Access
36 Citations
8,417 Views
20 Pages

28 May 2013

Multi-Input Multi-Output (MIMO) techniques can be used to increase the data rate for a given bit error rate (BER) and transmission power. Due to the small form factor, energy and processing constraints of wireless sensor nodes, a cooperative Virtual...

  • Article
  • Open Access
11 Citations
2,759 Views
12 Pages

Narrowband Internet-of-Things to Enhance the Vehicular Communications Performance

  • Qadri Hamarsheh,
  • Omar Daoud,
  • Mohammed Baniyounis and
  • Ahlam Damati

28 December 2022

The interest in vehicle-to-vehicle communication has gained a high demand in the last decade. This is due to the need for safe and robust smart communication, while this type of communication is vulnerable to latency and power. Therefore, this work p...

  • Article
  • Open Access
6 Citations
4,196 Views
18 Pages

Burst Channel Error Reduction Based on Interleaving for Efficient High-Speed Wireless Communication

  • Fatma H. El-Fouly,
  • Rabie A. Ramadan,
  • Fathi E. Abd El-Samie,
  • Mnaouer Kachout,
  • Abdullah J. Alzahrani and
  • Jalawi Sulaiman Alshudukhi

30 March 2022

Recently, the demand for reliable and high-speed wireless communication has rapidly increased. Orthogonal frequency division multiplexing (OFDM) is a modulation scheme that is the newest competitor against other modulation schemes used for this purpo...

  • Article
  • Open Access
33 Citations
7,567 Views
26 Pages

Performance Analysis of Massive MIMO-OFDM System Incorporated with Various Transforms for Image Communication in 5G Systems

  • Lavish Kansal,
  • Salah Berra,
  • Mohamed Mounir,
  • Rajan Miglani,
  • Rui Dinis and
  • Khaled Rabie

17 February 2022

Modern-day applications of fifth-generation (5G) and sixth-generation (6G) systems require fast, efficient, and robust transmission of multimedia information over wireless communication medium for both mobile and fixed users. The hybrid amalgamation...

  • Article
  • Open Access
5 Citations
5,206 Views
11 Pages

Non Data-Aided SNR Estimation for UAV OFDM Systems

  • Junfang Li,
  • Mingqian Liu,
  • Ningjie Tang and
  • Bodong Shang

10 January 2020

Signal-to-noise ratio (SNR) estimation is essential in the unmanned aerial vehicle (UAV) orthogonal frequency division multiplexing (OFDM) system for getting accurate channel estimation. In this paper, we propose a novel non-data-aided (NDA) SNR esti...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,600 Views
12 Pages

22 August 2022

Utilizing antenna diversity techniques has become a well-known approach to improve the performance of wireless communication systems. Multiple antenna arrays with half-length spacing, such as a uniform linear array (ULA), have been taken into conside...

  • Article
  • Open Access
4 Citations
2,810 Views
23 Pages

6 August 2022

Channel estimation is an important component of orthogonal frequency division multiplexing (OFDM) systems. The existence of virtual subcarriers leads to energy spreading in the time-domain when using Inverse Fast Fourier Transform (IFFT), resulting i...