Results 31 to 40 of about 381 (172)

FTTH and Two-Band RoF Transport Systems Based on an Optical Carrier and Colorless Wavelength Separators

IEEE Photonics Journal, 2016
A hybrid fiber-to-the-home (FTTH) and radio-over-fiber (RoF) transport system is proposed to transmit one wired signal and two wireless signals simultaneously through an optical lightwave.
C. H. Chang, P. C. Peng, Q. Huang, W. Y. Yang, H. L. Hu, W. C. Wu, J. H. Huang, C. Y. Li, H. H. Lu, H. H. Yee   +9 more
doaj   +1 more source

Photonic Image-free Mixer Based on a Dual-Parallel Mach-Zehnder Modulator and Fiber Dispersion for Radio-Over-Fiber System

IEEE Photonics Journal, 2019
In this paper, a simple image rejection mixer based on the dispersion effect in the single mode fiber is proposed and experimentally demonstrated for the radio-over-fiber (RoF) system.
Tao Lin, Zhike Zhang, Jinye Li, Shanghong Zhao, Jianguo Liu, Kun Zhang, Wei Jiang, He Li, Guodong Wang, Qiurong Zheng   +9 more
doaj   +1 more source

Bidirectional WDM Multi-Nodes Analog Radio-Over-Fiber Mobile Fronthaul Link Enhanced by Photonic Integrated Devices

IEEE Photonics Journal, 2022
A bidirectional wavelength division multiplexing (WDM) analog radio-over-fiber (A-RoF) mobile fronthaul (MFH) link is enhanced using photonic integrated devices.
Changjian Xie, Wenlin Bai, Peixuan Li, Yongtao Du, Ningyuan Zhong, Wei Pan, Xihua Zou   +6 more
doaj   +1 more source

D-RoF and A-RoF Interfaces in an All-Optical Fronthaul of 5G Mobile Systems

Applied Sciences, 2020
This paper presents a solution for enabling the coexistence of digitized radio-over-fiber (D-RoF) and analog radio-over-fiber (A-RoF) interfaces operating in the optical fronthaul of 5G mobile systems.
Zbigniew Zakrzewski
doaj   +1 more source

Design Issues of Digital and Analog Chaotic RoF Link Using Chaos Message Masking

IEEE Access, 2019
This work presents the joint use of Radio Over Fiber and optical chaos to investigate the secure ROF link. Merging the two technologies, optical chaos for physical layer communication security and Radio over Fiber creates new design issues which have ...
Danish Ali Mazhar, Syed Zafar Ali Shah, Muhammad Khawar Islam, Farhan Qamar   +3 more
doaj   +1 more source

Practical Demonstration of 5G NR Transport Over-Fiber System with Convolutional Neural Network

Telecom, 2022
This study describes an experimental realization using digital predistortion (DPD) for a fifth generation (5G) multiband new radio (NR) optical front haul (OFH) based Radio over Fiber (RoF) link.
Muhammad Usman Hadi
doaj   +1 more source

Hybrid Radio over Fiber with Radio over Free Space Optic for 5G Fronthaul Network Implementation in Urban Areas

Jurnal Rekayasa Elektrika, 2023
Optical fiber can meet the demand for fronthaul on 5G networks that offer high bandwidth, large capacity, high data rate and is free from electromagnetic interference. However, deploying infrastructure faces issues like permits and high costs.
Nabila Syadzwina Effendi, Yus Natali, Catur Apriono   +2 more
doaj   +1 more source

Digital Predistortion Based Experimental Evaluation of Optimized Recurrent Neural Network for 5G Analog Radio Over Fiber Links

IEEE Access
In the context of Enhanced Remote Area Communications (ERAC), Radio over Fiber (RoF) technology plays a crucial role in extending reliable connectivity to underserved and remote areas. This paper explores the significance of fifth-generation (5G) Digital
Muhammad Usman Hadi, Kamaluddeen Usman Danyaro, Alawi AlQushaibi, Rizwan Qureshi, Tanvir Alam   +4 more
doaj   +1 more source

A QoS-Enabled Medium-Transparent MAC Protocol for Fiber-Wireless 5G RAN Transport Networks

Applied Sciences, 2022
In order to meet the ever-increasing 5G and beyond Radio Access Network (RAN) densification demands, Fiber-Wireless transport networks are expected to play a key role in accelerating 5G deployment by providing the essential RAN flexibility, while at the ...
George Kalfas, Dimitris Palianopoulos, Agapi Mesodiakaki, Marios Gatzianas, Christos Vagionas, Ronis Maximidis, Nikos Pleros   +6 more
doaj   +1 more source

Millimeter‐Wave Antennas: A Comprehensive State‐of‐the‐Art Review of Design Approaches, Operating Bands, Challenges, and Applications in Body‐Centric and Emerging Systems

Radio Science, Volume 61, Issue 5, May 2026.
Abstract This paper reviews and classifies more than 120 recent contributions on millimeter‐wave (mm‐wave) antennas, with emphasis on their operating bands, design methods, and application domains. It surveys the main mm‐wave frequency ranges and their use in 5G/6G communications, radar and sensing, biomedical and body‐centric systems, imaging, and ...
Sarra Khacha, Chemseddine Zebiri, Mohammad Alibakhshikenari, Djamel Sayad, Issa Elfergani, Muhammad Akmal Chaudhary, Nisar Ahmad Abbasi, Arpan Desai, Jonathan Rodriguez, Takfarinas Saber, Ernesto Limiti   +10 more
wiley   +1 more source