Results 11 to 20 of about 1,486 (213)

Effective Design for Optical CDMA Based on Radio over Fiber (RoF) Technique [PDF]

MATEC Web of Conferences, 2017
In this paper, the performance of OCDMA coding systems utilizing the radio over fiber (RoF) technique is presented. It has been done by means of conventional OptiSystem simulation tools, where the propagation of radio signals up to 50 km using standard ...
Rashidi C. B. M., Aljunid S. A., Aljunid S. A, Anuar M.S, Yaakob S   +4 more
doaj   +7 more sources

Integrated Silicon Photonics Remote Radio Frontend (RRF) for Single-Sideband (SSB) Millimeter-Wave Radio-Over-Fiber (ROF) Systems

IEEE Photonics Journal, 2019
Radio-over-fiber (ROF)-based mobile fronthaul network supporting the baseband unit and simple remote radio head is a promising network architecture for future wireless networks.
Yeyu Tong, Chi-Wai Chow, Guan-Hong Chen, Ching-Wei Peng, Chien-Hung Yeh, Hon Ki Tsang   +5 more
doaj   +4 more sources

Fiber Link Health Detection and Self-Healing Algorithm for Two-Ring-Based RoF Transport Systems [PDF]

Sensors, 2019
A two-ring-based radio over fiber (RoF) transport system with a two-step fiber link failure detection and self-healing algorithm is proposed to ensure quality of service (QoS) by automatically monitoring the health of each fiber link in the transport ...
Wen-Shing Tsai, Ching-Hung Chang, Zhin-Guei Lin, Dong-Yi Lu, Tsung-Ying Yang   +4 more
doaj   +2 more sources

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   +2 more sources

A novel dual polarization multiplexing RoF system integrating optical fiber and FSO channel with AMI downlink signals [PDF]

Heliyon
Using dual polarization multiplexing alternate mark inversion (AMI) downlink signals, a novel radio over fiber (RoF) system integrating optical fiber and FSO channel is designed to adapt to applications in mountainous areas and other complex terrain ...
Yufeng Shao, Qing Tian, Yaodong Zhu, Anrong Wang, Qiming Yang, Linfang Yi, Ni Yu, Chong Li, Peng Chen, Yanlin Li, Shuanfan Liu, Renjie Zuo, Jie Yuan   +12 more
doaj   +2 more sources

Direct and External Intensity Modulation in OFDM RoF Links [PDF]

IEEE Photonics Journal, 2015
Radio-over-fiber (RoF) systems comprise light modulation and transmission of millimeter-wave signals over fiber links. The aim of this study is to investigate the performance of external and direct intensity modulation in RoF links and to analyze the ...
Sinan A. Khwandah, John P. Cosmas, Ian A. Glover, Pavlos I. Lazaridis, Neeli R. Prasad, Zaharias D. Zaharis   +5 more
doaj   +2 more sources

Modeling and Optimization of Frequency‐Doubled Radio‐Over‐Fiber Link Based on Deep Learning Technique

Advanced Photonics Research
Deep learning (DL) technology has shown extensive potential for modeling radio‐over‐fiber (RoF) systems. Meanwhile, frequency multiplication technology serves as an effective approach to reduce the bandwidth requirements of core components in RoF links ...
Difei Shi, Xiangyan Meng, Hanxin Chen, Wei Li   +3 more
doaj   +2 more sources

Επισκόπηση Τεχνολογιών Radio Over Fiber (ROF) [PDF]

, 2012
Το αντικείμενο της παρούσας εργασίας είναι η παρουσίαση τρόπων επικοινωνίας σε ασύρματα δίκτυα με τη χρήση οπτικών ινών. Συγκεκριμένα γίνεται αναφορά στην ευρέως διαδεδομένη τεχνική ROF (Radio Over Fiber) που μέρα με τη μέρα συγκεντρώνει όλο και περισσότερο το ενδιαφέρον της επιστημονικής κοινότητας καθώς προβάλλεται σαν λύση για την κάλυψη των ...
Λαδά Ιωάννα
openaire   +2 more sources

Analisis Perbandingan Kinerja Sistem Radio Over Fiber Modulasi Optik Langsung dan Eksternal

Jurnal Elkomika, 2023
ABSTRAK Radio Over Fiber (ROF) adalah sistem komunikasi yang digunakan untuk mentransmisikan sinyal radio frequency (RF) melalui serat optik. Kapasitas dan mobilitas jaringan akses dapat ditingkatkan dengan memanfaatkan sistem ROF. Modulasi sinyal optik
FEBRIZAL UJANG, AINUL YAKIN
doaj   +1 more source

Analisa Perbandingan Kinerja Modulasi Langsung dan Modulasi Eksternal pada Adaptif Fiber Bragg Grating di Radio over Fiber System

Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2023
Kombinasi Frekuensi Radio dan Fiber Optik telah menghasilkan transmisi berkapasitas tinggi dengan biaya komponen yang lebih rendah dan menjadikan Radio over Fiber sebagai trend komunikasi broadband besar saat ini.
Febrizal Ujang, Daffa Tantowi Nasution, Faghas Prandima Augika, Ishmatullah Bahri, Afif Aryas, Muhammad Raihan Azhary   +5 more
doaj   +1 more source