Desain dan Analisis Sistem Komunikasi Radio over FSO (RoFSO) dengan Modulator Eksternal untuk Cuaca yang Bervariasi

Pasha, Titah Indyra (2018) Desain dan Analisis Sistem Komunikasi Radio over FSO (RoFSO) dengan Modulator Eksternal untuk Cuaca yang Bervariasi. Sarjana thesis, Universitas Brawijaya.

Abstract

Teknologi Radio over Fiber (RoF) merupakan jaringan yang baik untuk integrasi sistem komunikasi nirkabel dan sistem komunikasi optik. Implementasi RoF tergantung pada ketersediaan instalasi kabel serat optik, oleh karena itu, dengan tidak adanya infrastruktur serat, sistem RoFSO yang diusulkan bisa dengan mudah diaplikasikan. . Sistem komunikasi FSO bila dibandingankan dengan sistem komunikasi nirkabel lainnya yaitu bandwidth yang lebih lebar, biaya instalasi yang lebih murah dibandingkan dengan serat optik, lebih mudah dan cepat dalam proses penyebaran, tidak membutuhkan lisensi, dan praktis karena transceiver FSO dapat diletakkan di dekat jendela manapun pada atap gedung.Kondisi cuaca seperti hujan, debu, salju, dan kabut / asap menjadi kendala pada media transmisi sistem FSO. Penelitian ini dilakukan secara simulasi dengan Optisystem yang bertujuan untuk mengkaji pengaruh kondisi cuaca pada performansi sistem komunikasi RoFSO menggunakan teknik modulasi eksternal. Pengujian dilakukan pada panjang gelombang 1550.12 nm untuk kanal 1 dan 1558.98 nm untuk kanal 2, bit rate 10 Gbps dan 15 Gbps. Atenuasi cuaca cerah yang digunakan 0,233 dB/km dan cuaca hujan lebat 19,28 dB/km untuk kanal 1 sedangkan 19,95 dB/km untuk kanal 2. Hasil penelitian menunjukkan bahwa pada cuaca cerah, kombinasi rangkaian sistem komunikasi RoFSO yang memberikan performansi parameter BER terbaik yaitu bit rate 10 Gbps, line coding NRZ, panjang gelombang 1550.12 nm, dan jarak transmisi 1 km. Nilai terendah BER yaitu 3,132 x 10-13 dan Q-Factor tertinggi pada nilai 7,1895. Pada cuaca hujan lebat, kombinasi rangkaian sistem komunikasi RoFSO yang memberikan performansi parameter BER terbaik yaitu bit rate 10 Gbps, line coding NRZ, panjang gelombang 1550.12 nm, dan jarak transmisi 100 m. Nilai terendah BER yaitu 3,114 x 10-13 dan Q-Factor tertinggi pada nilai 7,1899.

English Abstract

Radio over Fiber (RoF) technology is a good network for the integration of wireless communication and optical communication systems. RoF implementation depends on the availability of fiber optic cable installation, therefore, in the absence of fiber infrastructure, the proposed RoFSO system can be easily applied. . FSO communication system when compared with other wireless communication system that is wider bandwidth, cheaper installation cost compared to optical fiber, easier and faster in spreading process, no license required, and practical because FSO transceiver can be placed near any window on The weather conditions such as rain, dust, snow, and fog / smoke become constraints on the transmission media of the FSO system. This research was conducted simulation with Optisystem which aims to examine the effect of weather conditions on RoFSO communication system performance using external modulation technique. The tests were performed at a wavelength of 1550.12 nm for channel 1 and 1558.98 nm for channel 2, bit rate 10 Gbps and 15 Gbps. Attenuasi sunny weather used 0.233 dB / km and rainy weather 19,28 dB / km for channel 1 while 19,95 dB / km for channel 2. The results showed that in sunny weather, the combination of RoFSO communication system sequence which gives the best BER parameter performance is 10 Gbps bit rate, NRZ line coding, wavelength 1550.12 nm, and transmission distance 1 km. The lowest BER was 3,132 x 10-13 and the highest Q-Factor at 7.1895. In heavy rainy weather, the combination of RoFSO communications system sequences that provide the best BER parameter performance is 10 Gbps bit rate, NRZ line coding, wavelength 1550.12 nm, and transmission distance 100 m. The lowest BER was 3,114 x 10-13 and the highest Q-Factor was 7.1899.

Other obstract

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Item Type: Thesis (Sarjana)
Identification Number: SKR/FT/2018/345/051804215
Uncontrolled Keywords: RoFSO, cuaca, modulator eksternal, BER, Q-Factor, Optisystem
Subjects: 600 Technology (Applied sciences) > 621 Applied physics > 621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting > 621.38 Electronics, communications engineering > 621.384 Radio and radar
Divisions: Fakultas Teknik > Teknik Elektro
Depositing User: Budi Wahyono Wahyono
Date Deposited: 28 Jun 2018 06:43
Last Modified: 29 Nov 2021 03:40
URI: http://repository.ub.ac.id/id/eprint/11730
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