Results 71 to 80 of about 61,598 (216)

Active and passive sensors for diagnostics quasi-zenith ionospheric HF communication channels

Физика волновых процессов и радиотехнические системы
Background. There is a growing need for active sensory diagnostics of partial HF channels to provide frequency support to quasi-zenith HF radio links in varying signal propagation conditions.
Dmitry V. Ivanov, Vladimir A. Ivanov, Natalia V. Ryabova, Alexey A. Elsukov   +3 more
doaj   +1 more source

Time of arrival estimation based on clustering for positioning in OFDM system [PDF]

, 2020
Zhenyu Zhang, Shaoli Kang
openalex   +1 more source

OFDMA para Sistemas de Banda Ancha Inalámbrica

Prisma Tecnológico, 2009
Este artículo describe el sistema de Acceso Múltiple por División de Frecuencia Ortogonal (OFDMA), un método de modulación para la segunda generación de acceso a banda ancha inalámbrica.
Daniel Tuñón, Ramón Ortega
doaj  

A New Parametric DFT-Based OFDM Transceiver for Intrinsic Wireless Communication Encryption

Advances in Electrical and Computer Engineering
In this paper, we propose a parametric OFDM transceiver for wireless communication encryption. One of the major contributions of this work is the intrinsic encryption nature of the proposed system, since it is a completely new idea and philosophically ...
CHERGUI, L., BOUGUEZEL, S.
doaj   +1 more source

Development of Communication System between TPMS and Server using Combination of OFDM and Convolutional Code Technique Based on SDR

Jurnal Sisfokom
The Tire Pressure Monitoring System (TPMS) has evolved into an essential element of contemporary vehicles, playing a pivotal role in enhancing road safety and the overall driving experience.
Hendy Briantoro, Billy Montolalu, Ardiansyah Al Farouq   +2 more
doaj   +1 more source

Coherent Optical OFDM With Index Modulation for Long-Haul Transmission in Optical Communication Systems [PDF]

, 2022
Ahmet Güner
openalex   +1 more source

UFMC and f-OFDM: Contender Waveforms of 5G Wireless Communication System

, 2020
Ghasan Ali Hussain, Lukman Audah‏
openalex   +2 more sources

Improved time and frequency synchronization for dual‐polarization OFDM systems [PDF]

, 2021
José Luis Hinostroza Ninahuanca, Osmar Tormena, Luís Geraldo P. Meloni   +2 more
openalex   +1 more source

BOTDA using channel estimation with direct-detection optical OFDM technique

, 2017
Can Zhao, Ming Tang, Liang Wang, Hao Wu, Zhiyong Zhao, Yunli Dang, Jiadi Wu, Songnian Fu, Deming Liu, Perry Ping Shum   +9 more
openalex   +1 more source

Advanced QRD-M Detection with Iterative Scheme in the MIMO-OFDM System

, 2014
Hwan-Jun Choi, Hyoung‐Kyu Song
openalex   +2 more sources