Estimasi kebutuhan spektrum untuk memenuhi target rencana pita lebar Indonesia di wilayah perkotaan [The estimation of spectrum requirements to meet the target of Indonesia broadband plan in urban area]
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Abstract
Pemerintah Indonesia telah mengesahkan Rencana Pita Lebar Indonesia menjelang akhir tahun 2014. Dokumen tersebut berisi panduan dan arah pembangunan pita lebar nasional dan berisi berisi target-target pencapaian berkelanjutan antara tahun 2014-2019. Terkait target capaian pita lebar nirkabel, ketersediaan dan kecukupan spektrum frekuensi merupakan salah satu hal yang sangat penting. Studi ini dilakukan untuk mengestimasi kebutuhan spektrum frekuensi dalam rangka memenuhi target capaian Rencana Pita Lebar Indonesia khususnya layanan pita lebar nirkabel di wilayah perkotaan. DKI Jakarta dipilih sebagai sampel wilayah perkotaan. Analisis dilakukan dengan menghitung luas cakupan BTS, mengestimasi jumlah potensi pengguna, mengestimasi kebutuhan spektrum dan membandingkannya dengan spektrum yang sudah dialokasikan untuk mendapatkan jumlah kekurangan spektrum. 3G dan 4G diasumsikan sebagai teknologi yang digunakan untuk memenuhi sasaran pita lebar bergerak. Hasil analisis menunjukkan pada rentang tahun 2016-2019 akan terjadi kekurangan spektrum di wilayah perkotaan sebesar 2x234,5 MHz sampai dengan 2x240,5MHz (untuk mode FDD) atau sebesar 313 MHz sampai dengan 321 MHz (untuk mode TDD). Spektrum frekuensi merupakan sumber daya yang reusable, dengan mengasumsikan kebutuhan spektrum di perdesaan lebih rendah dibanding kebutuhan di perkotaan, maka estimasi ini dapat pula digunakan untuk menggambarkan kebutuhan spektrum di Indonesia secara keseluruhan.
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Indonesian government has issued Indonesia Broadband Plan (IBP) at the end of 2014. IBP provides guidance and direction for the development of national broadband and contains targets in the period of 2014 to 2019. Relating to wireless broadband target, the availability and the adequacy of spectrum is very important. This study was conducted to estimate the spectrum requirements to meet the Indonesia broadband plan target especially the target of mobile broadband in urban area. DKI Jakarta was taken as sample of urban area. Analysis was done by calculating the coverage of BTSs, estimating the number of potential users, estimating the required spectrum and comparing it with the allocated spectrum to obtain the number of spectrum shortage. 3G and 4G were assumed as technologies used to meet mobile broadband target. The result showed that there will be a shortage of spectrum in the period of 2016 to 2019 approximately 2x234.5 to 2x240.5MHz(for FDD mode) or 313 MHz to 321 MHz (for TDD mode). Spectrum is reusable resource and by assuming that spectrum requirements in rural area is lower than that in urban, this estimastion can also be used to portray spectrum requirements in Indonesia as a whole.
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