Results 1 to 10 of about 15,878 (163)

Integrating Radio-Over-Fiber Communication System and BOTDR Sensor System [PDF]

Sensors, 2020
In this paper, we propose and experimentally demonstrate for the first time, the integration of a radio-over-fiber (RoF) communication system and a Brillouin optical time-domain reflectometry (BOTDR) distributed sensor system using a single optical fiber
Wai Pang Ng, Nageswara Lalam, Xuewu Dai, Qiang Wu, Yong Qing Fu, Peter Harrington, Nathan J. Gomes, Chao Lu   +7 more
doaj   +4 more sources

Comparative Analysis of Two Types of Combined Power-Over-Fiber and Radio-Over-Fiber Systems Using Raman Amplification for Different Link Lengths [PDF]

Sensors
The use of analog radio-over-fiber (RoF) systems combined with power-over-fiber (PoF) systems has been proposed in recent years for applications involving remote sensors used in hazardous environments or where electrical wiring may be impractical.
Paulo Kiohara, Romildo H. Souza, Véronique Quintard, Mikael Guegan, Laura Ghisa, André Pérennou, Olympio L. Coutinho   +6 more
doaj   +2 more sources

Multicore Fiber Scenarios Supporting Power Over Fiber in Radio Over Fiber Systems

IEEE Access, 2019
We propose the integration of power over fiber in the next generation 5G radio access network front-haul solutions based on spatial division multiplexing with multicore fibers. The different architectures in both shared- and dedicated- core scenarios for
Carmen Vazquez, Juan Dayron Lopez-Cardona, Pedro Contreras Lallana, David Sanchez Montero, Fahad Mohammed Abdulhussein Al-Zubaidi, Sandra Perez-Prieto, Isabel Perez Garcilopez   +6 more
doaj   +3 more sources

High Spectrum Efficiency and High Security Radio-Over-Fiber Systems with Compressive-Sensing-Based Chaotic Encryption [PDF]

Micromachines
With the increasing demand for high throughput and ultra-dense small cell deployment in the next-generation communication networks, spectrum resources are becoming increasingly strained.
Zhanhong Wang, Lu Zhang, Jiahao Zhang, Oskars Ozolins, Xiaodan Pang, Xianbin Yu   +5 more
doaj   +2 more sources

Linearization Technologies for Broadband Radio-Over-Fiber Transmission Systems

Photonics, 2014
Linearization technologies that can be used for linearizing RoF transmission are reviewed. Three main linearization methods, i.e. electrical analog linearization, optical linearization, and electrical digital linearization are presented and compared ...
Xiupu Zhang, Ran Zhu, Dongyan Shen, Taijun Liu   +3 more
doaj   +3 more sources

A Single-Photodiode Framework for the Co-Detection of Hybrid Digital and Analog Radio-Over-Fiber Signals

IEEE Access, 2023
The continuous advancement of wireless mobile communication necessitates an increase in the allocated frequency bands for each generation. Consequently, higher frequency photodiodes are required in analog radio-over-fiber (ARoF) fronthaul solutions ...
Guo Hao Thng, Said Mikki
doaj   +1 more source

End-to-End Demonstration of Fiber-Wireless Fronthaul Networks Using a Hybrid Multi-IF-Over-Fiber and Radio-Over-Fiber System

IEEE Photonics Journal, 2021
This paper reports an end-to-end demonstration of a fiber-wireless mobile fronthaul (MFH) network based on hybrid intermediate-frequency-over-fiber (IFoF) and radio-over-fiber (RoF) links using a 28-GHz millimeter-wave (MMW) band.
Hsuan-Yun Kao, Shota Ishimura, Kazuki Tanaka, Kosuke Nishimura, Ryo Inohara   +4 more
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

Perspectives of Radio over Fiber Technologies [PDF]

OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference, 2008
Radio-over-fiber technologies enable efficient provisioning of broadband wireless services both in access and in in-building networks, in particular when combined with flexible optical routing and dispersion-robust RoF transport techniques, such as optical frequency multiplying.
Koonen A.M.J., Larrode M.G., Ng'oma A., Wang K., Yang H., Zheng Y., Tangdiongga E.   +6 more
openaire   +1 more source

THE PERFORMANCE COMPARISON OF RF LEVEL MULTIPLEXING AND OPTICAL LEVEL MULTIPLEXING IN RADIO OVER FIBER SYSTEMS WITH DIRECT OPTICAL MODULATION TECHNIQUES

Journal Sampurasun, 2023
Communication in the world is developing very rapidly, not only limited to voice but data communication. Many techniques have been used to support multimedia services. Radio over Fiber is expected to support communication for long distances. Therefore, a
Febrizal Ujang, Adillah Putri, Esra Erianti, Hotnida Hannum, Putri Anisa   +4 more
doaj   +1 more source