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All Journal International Journal of Electrical and Computer Engineering JOIN (Jurnal Online Informatika) Prosiding 2nd Seminar Nasional IPTEK Terapan (SENIT) 2017 Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) InComTech: Jurnal Telekomunikasi dan Komputer Journal of Telecommunication, Electronics and Control Engineering (JTECE) eProceedings of Engineering Jurnal INFOTEL
Fauza Khair
Institut Teknologi Telkom Purwokerto
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Journal : Jurnal INFOTEL

 1 
Analisis Unjuk Kerja Rancangan Jaringan Fiber To The Home Area Jakarta Garden City dengan Metode Eye-Diagram Dodi Zulherman; Fahrudin Rosanto; Fauza Khair
JURNAL INFOTEL Vol 9 No 3 (2017): August 2017
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v9i3.238

Abstract

Dalam tulisan ini, kami merancang jaringan akses fiber to the home berbasis gigabit passive optical network (FTTH-GPON) pada area Jakarta Garden City. Pemodelan rancangan menggunakan GoogleEarth dan OptiSystem. Rancangan yang kami usulkan menggunakan kecepatan downstream 2,4 Gbps dan upstream 1,2Gbps. Kami mengamati kesesuaian unjuk kerja rancangan terhadap standar FTTH-GPON yang dikeluarkan oleh ITU-T. Kami menggunakan metode perhitungan link power budget dan risetime budget dalam perancangan jaringan FTTH. Berdasarkan hasil pengamatan didapatkan link budget sebesar 22 dB dengan margin daya sebesar 3 dB, risetime budgetd downstream sebesar 0,27 ns, dan risetime upstream sebesar 0,25 ns. Pengukuran unjuk kerja rancangan menggunakan metode eye-diagram yang menampilkan jitter, distorsi, signal-to-noise ratio (SNR), nilai Q-factor dan nilai BER. Pengukuran unjuk kerja dengan menggunakan power masukan 5 dBm dan panjang gelombang 1490 nm menghasilkan jitter sebesar 16,7 ps, distorsi sebesar 1,07µ a.u., SNR sebesar 6,87, Q Factor sebesar 21,249 dan BER sebesar 1,9 x 10-99. Berdasarkan hasil pengamatan dan analisis terhadap hasil tersebut, rancangan jaringan FTTH pada area Jakarta Garden City yang kami usulkan telah memenuhi standar ITU-T untuk penggunaan layanan internet kecepatan tinggi.
Performance Comparison of Dispersion Compensation Schemes Using DCF in DWDM Optical Network Fauza Khair; Dodi Zulherman; Fahmi Fahmi
JURNAL INFOTEL Vol 10 No 2 (2018): May 2018
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v10i2.362

Abstract

The dense wavelength division multiplexing (DWDM) system enhances bandwidth capacity for long-haul communications system, but the system performance is affected by a chromatic dispersion especially in the high bitrate communication caused by different refractive index in pulse propagation for optical link. Using the Dispersion compensating fiber (DCF) can compensate for the positive dispersion in the optical link because it has negative dispersion value and can reduce the effect of the chromatic dispersion. We look for the suitable DCF scheme in our DWDM System using 16 channels with bitrate 40 Gbps per channel, channel spacing 200 GHz and optical link length 300 km and discuss the system performance to compensate dispersion in DWDM systems with the optical launch power variation. Based on the result, the system with the symmetrical scheme with optical power launch had the best performance with BER 8.33 × 10-86 and Q-factor 19.572. Optical power launch had the effect to the system performance, the optical power launch 0 dBm in the all DCF scheme was not meet with ITU-T standard for optical link. In sequentially Q-factor of the pre-compensating, post compensating, and symmetrical compensating fiber schemes is 6.007, 6.209, and 6.608 which are not meet the ITU-T standard that Q-factor has to more than 7.20. The increasing optical power launch improved the system performance for all DCF scheme. In sequentially Q-factor of the symmetrical scheme with input power 0 dBm, 2 dBm, 4 dBm, 6 dBm, 8 dBm, and 10 dBm is 6.680, 8.510, 10.724. 13.340, 16.319, 19.572. This work obtains that the system with symmetrical compensating fiber more suitable than pre-compensating fiber and post-compensating fiber and the system with high optical launch power has better performance than low power.
Software-based simulation to analyze the variation of digital modulation and atmospheric condition on the free space optic (FSO) link performance Fauza Khair; Dodi Zulherman; Rifani Auliana
JURNAL INFOTEL Vol 14 No 3 (2022): August 2022
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v14i3.758

Abstract

Free Space Optic (FSO) is the solution for telecommunications technology that offers high data rates, wide bandwidth, and low power consumption. However, to maximize the performance of the FSO system, the modulation used should be considered in environmental conditions. This study aims to compare the performance of the FSO communication link based on digital modulation variations used in various weather conditions, including sunny, rainy, and foggy weather. This study uses two attenuation models, namely the Kim and Kruse models, with variations in transmission distance from 500 meters to 10 kilometers. Modulation variations used include QPSK, 8-PSK, 16-PSK, and 16-QAM at 10 Gbps bitrate. The simulation is accomplished using OptiSystem 17.0 software. The study results show that sunny weather (very clear) has the best visibility compared to rain and fog conditions with an attenuation value of 0.46 dB/km on the Kim and Kruse models. QPSK modulation has the best performance with a BER value of less than 1x10-12 up to a transmission distance of 8 km in sunny weather, 3 km in rainy weather (medium rain), and 800 m in foggy (moderate fog) weather. The 8-PSK modulation has a BER value of less than 1x10-12 with a range of 2000 m in sunny weather and 1500 m in rainy weather but does not meet the standards in foggy weather conditions. 16-PSK and 16-QAM modulation have above baseline BER values ​​during rainy and foggy conditions, but 16-QAM modulation still has a BER value of less than 1x10-3 during foggy conditions at a distance of 500 m.
Co-Authors Alfaresa, Yuansa Amiludin Amiludin Angga Pratama Anggun Fitrian Anggun Fitrian Isnawati Bongga Arifwidodo Budi Setiyanto Dodi Zulherman Eka Wahyudi Fahmi Fahmi Fahmi Fahmi Fahrudin Rosanto Fahrudin Rosanto Fahrudin Rosanto, Fahrudin Fakhriy Hario P Fikri Nizar Gustiyana I Wayan Mustika Imam Muhammadi Pradono Budi Jafaruddin Gusti Amri Ginting Masyun Hidayat, Jihad Mertiana, Eva Nareza Ocha Safira Nur Azizah Pradana, Zein Hanni pramusinta Clara Suryandari Rifani Auliana Rizki Dwi Rahmawan Sahala, Firda Wildan Tri Wahyudi Yuansa Alfaresa Yudo Reza