MODEL PROPAGASI UNTUK KANAL RADIO BERGERAK PADA FREKUENSI 900 MHz DI KOTA PEKANBARU

Authors

  • Teddy Purnamirza Jurusan Teknik Elektro Universitas Islam Negeri Sultan Syarif Kasim Riau
  • Yuhrijul Yuhrijul Jurusan Teknik Elektro Universitas Islam Negeri Sultan Syarif Kasim Riau
  • Depriwana Rahmi Jurusan Pendidikan Matematika Universitas Islam Negeri Sultan Syarif Kasim Riau

DOI:

https://doi.org/10.24014/sitekin.v12i1.778

Keywords:

Frekuensi 900 MHz, Hatta Dense Urban, Model propagasi radio, Pekanbaru

Abstract

Dalam suatu sistem telekomunikasi, model propagasi radio sangat dibutuhkan untuk melakukan suatu perancangan, pembangunan dan pengembangan sistem komunikasi bergerak. Model propagasi yang umum digunakan diantaranya adalah model Okumura-Hatta, model Cost 231 dan model Lee. Namun, model-model tersebut tidak dapat digunakan untuk menentukan model propagasi yang akurat pada suatu daerah tertentu, karena model-model tersebut bersifat umum. Penelitian ini bertujuan mendapatkan model propagasi untuk kanal radio bergerak pada frekuensi 900 MHz di kota Pekanbaru. Pada penelitian ini dilakukan pengukuran daya terima menggunakan Tems Investigation pada kawasan yang telah di tetapkan. Selanjutnya dilakukan pengukuran jarak antara MS dan BTS untuk mendapatkan data loss dan jarak yang bersesuaian. Model propagasi didapatkan berdasarkan data loss dan jarak yang bersesuaian menggunakan Software Matlab. Pada penelitian ini didapatkan Model Linier: L= 30 x D + 126, Model Kuadratik: L= 35,7 x D2 +3,53x D + 129, dan Model Kubik: L= -285 x D3 + 360 x D2 – 98,1 x D + 137. Berdasarkan penelitian yang telah dilakukan model propagasi yang paling mendekati hasil pengukuran adalah model propagasi Hatta Dense Urban.

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Issue

Vol. 12 No. 1 (2014): Desember 2014

Section

Articles

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