Buwana, Mahendra Wishnu and Dr. Ir. Sholeh Hadi Pramono, M.S., - and Sapriesty Nainy Sari, S.T., M.T., - (2014) Analisis Pengaruh Macrobending Losses Terhadap Performansi Sistem Time Division Multiplexing Dengan Media Transmisi Plastic Optical Fiber,. Sarjana thesis, Universitas Brawijaya.
Abstract
Time Division Multiplexing (TDM) merupakan metode multiplexing yang sering digunakan pada sistem komunikasi serat optik karena sinyal informasi disajikan secara digital, sehingga sistem secara keseluruhan menjadi lebih baik. Dengan penggunaan serat optik jenis Plastic Optical Fiber (POF) maka sistem dapat diimplementasikan dengan biaya rendah karena seluruh pengolahan data dilakukan dalam rangkaian terpadu. Salah satu permasalahan yang tidak dapat dicegah pada jaringan serat optik adalah adanya macrobending losses. Macrobending losses menyebabkan perubahan penjalaran cahaya di dalam serat optik dan memberikan dampak terhadap performansi sistem komunikasi optik dengan TDM. Penelitian ini bersifat eksperimental yaitu menguji dan menganalisis pengaruh macrobending losses terhadap performansi sistem TDM dengan media transmisi POF. Eksperimen dilakukan dengan memberikan perlakuan macrobending terhadap POF dengan variasi diameter 20, 18, 16, 14, dan 12 mm dengan 1 hingga 5 jumlah bengkokan yang tersusun dalam bentuk lilitan. Data hasil eksperimen digunakan sebagai bahan analisis. Analisis dilakukan dengan menghitung nilai macrobending losses, BER, noise margin, timing jitter, dan SNR untuk tiap variasi diameter dan jumlah bengkokan pada 1 sampai 6 channel sebagai sumber informasi. Eksperimen dilakukan dengan menggunakan perangkat Advance Fiber Optic Communication Lab produksi Falcon Electro-Tek. Hasil penelitian menunjukkan pada 1 sampai 6 channel macrobending losses tidak berpengaruh secara signifikan terhadap performansi sistem TDM. Pengaruh macrobending losses pada 6 channel dengan diameter bengkokan 12 mm adalah rendah, yaitu nilai macrobending losses adalah 1,0523 dB, nilai BER adalah 3,08x10-5, noise margin sekitar 62%, timing jitter sekitar 11,5%, dan SNR sekitar 14,528 dB. Hal ini disebabkan pada sistem TDM terdapat modulasi, yang memungkinkan sinyal informasi akan lebih tahan terhadap noise, sehingga penjalaran cahaya tidak terpengaruh secara signifikan oleh macrobending.
English Abstract
Time Division Multiplexing (TDM) is a multiplexing method that is often used in optical fiber communication systems because the information signal is presented in a digital signal, so that the efficiency of the bandwidth and signal quality becomes better. By using Plastic Optical Fiber (POF) then the system can be implemented at low cost because all of data processing is carried in a integrated circuit. One of unavoidable problems in optical fiber network is the macrobending losses. Macrobending losses caused changes in the light trajectory of the optical fiber, such changes would have an impact on the performance of TDM system. This study is the experimental to measure and analyze the effect of macrobending losses to the performance of the TDM system with POF as transmission media. The experiment conducted by giving macrobending treatment to the POF with variations in diameter of 20,18,16,14, and 12 mm with 1 to 5 the number of bends that are arranged in the form of windings. The data of experimental result used as material analyze. The analyze was performed by calculating the macrobending losses, BER, noise margin, timing jitter, and SNR for each variation of diameters and number of bends at 1 to 6 channels as the source of information. The experiment performed by using the Advance Fiber Optic Communication, Falcon Electro-Tek production. The experiment result showed that at 1 to 6 channels, macrobending losses did not significantly affect to the performance of TDM systems. The effect of macrobending losses at 6 channel with 12 mm bending diameter is low, the value of macrobending losses is 1,0523 dB,the value of BER is 3,08x10-5, noise margin of approximately 62%, timing jitter of approximately 11,5%, and SNR of approximately 14,528 dB. This is due to the modulation there are on the TDM system, which allows the signal information will be more resistant to noise, so that the light trajectory is not affected significantly by macrobending.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | SKR/FT/2014/460/051405126 |
| Subjects: | 600 Technology (Applied sciences) > 621 Applied physics > 621.3 Electrical, magnetic, optical, communications, computer engineering; electronics, lighting |
| Divisions: | Fakultas Teknik > Teknik Elektro |
| Depositing User: | Hasbi |
| Date Deposited: | 03 Sep 2014 09:14 |
| Last Modified: | 17 Nov 2021 02:37 |
| URI: | http://repository.ub.ac.id/id/eprint/142760 |
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