Pemodelan Propagasi Ray-Tracing GTD/UTD (Geometric Theory Difraction/Uniform Theory Difraction)

Taufiq, Taufiq (2005) Pemodelan Propagasi Ray-Tracing GTD/UTD (Geometric Theory Difraction/Uniform Theory Difraction). Masters thesis, Institut Teknologi Sepuluh November.

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Abstract

Propagasi gelombang bergantung pada karakteristik pantulan dan difraksi. Pemodelan propagasi ray-tracing GTD/UTD ini untuk penentuan letak pemancar BTS (Base Transceiver Station) pada GSM (Global System Mobile) di suatu lokasi yang tepat, dengan pertimbangan pelanggan MS (Mobile Station) dimanapun berada dapat dilayani (coverage area). GTD/UTD mengunakan deterministic murni dengan menerapkan informasi terrain, dan mengamati kondisi fisik suatu penghalang dengan indeks bias sempurna pada suatu daerah tertentu (urban). GTD/UTD didasarkan pada ilmu optik geometrik dan teori difraksi dengan asumsi semua gelombang yang baik dibentuk dari gelombang datar (permukaan), pada jalur frekuensi UHF (Ultra High Frequency) 300 MHz sampai dengan 3 GHz. Aspek yang diperhatikan dalam ray-tracing GTD/UTD ialah koefisien difraksi, jenis polarisasi, refleksi baik penghalang tunggal atau ganda. Sudut difraksi 90° (bentuk kubus), kuat medan pada titik bias. Dari hasil analisis dengan menggunakan simulasi komputer diperoleh model propagasi vertikal, horizontal, transversal, panjang lintasan, sudut lintasan (sudut datang sama dengan sudut pantul), dan kuat medan pada titik bias ke 1, 2, 3, ....... n.
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Propagation wave depend on the characteristic of diffraction and reflection. This propagation modeling of ray-tracing for determine transmitter BTS (Base Transceiver Station) at GSM (Global System Mobile) of customer MS (Mobile Station) a particular correct location, and consider customers where they can be served (coverage area). GTD/UTD used pure deterministic that applied information terrain, and the physical condition of a barrier with the perfect reflective index bias a certain area (urban). GTD/UTD based on by optics geometric and the theory diffraction with the assumption all good wave formed by a waver the surface, at band of the UHF (Ultra High Frequency) 300 MHz up to 3 GHz. Aspect which is attention to in ray-tracing GTD/UTD is coefficient diffraction, polarization type, reflection of single barrier or the duplicate. At the angle diffraction 90° (cube form), field intensity in dot deflect (bias). From result analysis by using computer simulation obtained by vertical model propagation, horizontal, transversal, path length, angle corner (incidence angle is equal of reflection), and field intensity of at dot defect (bias) to 1, 2, 3 ... n.

Item Type:	Thesis (Masters)
Additional Information:	RTE 621.384 11 Tau p
Uncontrolled Keywords:	Propagation wave, Ray-Tracing, Base Transceiver Station, Propagasi Gelombang, Ray-Tracing, Base Transceiver Station.
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5103.2 Wireless communication systems. Two way wireless communication
Divisions:	Faculty of Electrical Technology > Electrical Engineering > 20101-(S2) Master Thesis
Depositing User:	magang .
Date Deposited:	06 Oct 2026 08:36
Last Modified:	06 Oct 2026 08:36
URI:	http://repository.its.ac.id/id/eprint/145349

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