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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) Bulletin of Electrical Engineering and Informatics CommIT (Communication & Information Technology) Makara Journal of Technology
Purnomo Sidi Priambodo
Universitas Indonesia
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : CommIT (Communication

 1 
Simulating Free-Space Optical Communications to Support a Li-Fi Access Network in a Smart City Concept Darusalam, Ucuk; Nathasia, Novi Dian; Zarlis, Muhammad; Priambodo, Purnomo Sidi
CommIT (Communication and Information Technology) Journal Vol. 18 No. 1 (2024): CommIT Journal
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/commit.v18i1.10458

Abstract

Smart city development has grown rapidly in the decades since 4G and 5G technologies have been released. Moreover, a highly reliable network is required to support the Internet of Things (IoT) and mobile access within a city. Light Fidelity (Li-Fi) technology can provide huge bitrate transmission and high-speed communications. In the research, a backbone based on Free-Space Optical (FSO) communication (FSO) is designed through simulation to provide a Li-Fi access network with a high capacity data rate. The originality of the proposed method is the implementation of double filtering techniques, which gives an advantage when forwarding the signal to a node and improves the quality of the signal received by the Li-Fi. The FSO as the Optical Relaying Network (ORN) is designed with a configuration of 12 channels of Dense Wavelength Division Multiplexing (DWDM) amplified by optical amplifiers in the transmitter and receiver. The signal output is filtered by a Fiber Bragg Grating (FBG) and a Gaussian filter. In the simulation, the ORN has node spacing in the range of 500 m to 2,000 m. Then, the data transmission rate at 120 Gbps is provided by the implementation of DWDM channels to serve as an access network. From the simulation, the FSO backbone can optimally deliver highly reliable Li-Fi access networks. When the nodes are spaced in a 500–2,000 m range, the Bit-Error-Rate (BER) performance is produced at the order of 10−6.
Co-Authors Atsushi Ono, Atsushi Budi Sudiarto Dewi ANGGRAENI Djoko Hartanto Eko Tjipto Rahardjo Fitri Yuli Zulkifli Gunawan Witjaksono Harry Sudibyo Hiroaki Satoh, Hiroaki Hiroshi Inokawa, Hiroshi Luh Putu Ratna Sundari Muhammad Zarlis, Muhammad Nasser, Eriko Nasemudin Novi Dian Nathasia Prabowo, Yanuar Priyo Wibowo, Priyo Putranto, Dedy Septono Catur Raj, Arockia Bazil Sasono Rahardjo, Sasono Sasono Raharjo Setyadewi, Imas Tri Ucuk Darusalam Wahyudi Hasbi Wei Du, Wei Yus Natali