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Ditemukan 11806 dokumen yang sesuai dengan query
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Dworsky, Lawrence N.
New York: John Wiley & Sons, 1979
621.381 32 DWO m (1)
Buku Teks  Universitas Indonesia Library
cover
Dworsky, Lawrence N
New York : Wiley, 1979.
621.381 DWO m
Buku Teks  Universitas Indonesia Library
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Achmad Rasjidi Imran
"ABSTRAK
Penerapan teknologi 4G yang dilakukan XL-Axiata membutuhkan kapasitas yang besar pada jaringan transport khususnya transmisi microwave. Kapasitas microwave yang terbatas mengakibatkan perlu dilakukan upgrading pada jaringan eksisting untuk menghindari terjadinya congestion. Teknologi baru millimeter wave E-band dapat menjadi solusi pada proses upgrading ini. E-band merupakan teknologi transmisi microwave pada band 70 GHz dan 80 GHz yang dapat menghasilkan kapasitas hingga multi-giga bps. Meskipun demikian, teknologi ini belum bisa diimplementasikan oleh penyelenggara telekomunikasi di Indonesia karena skema biaya lisensi yang masih dikerjakan.Penelitian ini bertujuan menganalisis pemilihan teknologi E-band pada jaringan transmisi eksisting microwave legacy XL-Axiata. Dari sisi teknis, pada penelitian ini dilakukan pengamatan dan pengukuran performansi ethernet dalam uji coba perangkat E-band pada link eksisting 14521003. Hasil pengukuran ethernet E-band ini dinormalisasi terhadap hasil pengukuran link eksisting microwave legacy dengan metode pembobotan weighting . Dari sisi ekonomi, pada penelitian ini juga dilakukan perhitungan estimasi biaya pengeluaran cash out implementasi kedua teknologi. Hal ini dilakukan untuk mendapatkan biaya pengeluaran yang rendah sehingga efisiensi bisa diperoleh.Hasil penelitian ini menunjukkan bahwa microwave E-band lebih baik dibandingkan microwave legacy terhadap pemenuhan kapasitas yang diinginkan. Dari skema pembobotan yang dilakukan microwave E-band memperoleh nilai yang lebih tinggi dibandingkan microwave legacy, dengan perolehan throughput 987 Mbps, latency 200.7 s, dan jitter 8.5 s. Namun penerapan microwave E-band tidak memberikan efisiensi terhadap biaya pengeluaran yang dilakukan. Dari hasil perhitungan didapatkan biaya pengeluaran operasional microwave E-band lebih besar 21 dibandingkan microwave legacy. Dari hasil ini ditemukan bahwa Biaya Hak Penggunaan BHP frekuensi merupakan kontributor terbesar biaya operasional yang dikeluarkan setiap tahunnya, sehingga diperlukan kajian lebih lanjut khususnya terhadap skema perhitungan BHP frekuensi untuk mendapatkan efisiensi biaya pengeluaran yang diinginkan.

ABSTRACT
Implementation of 4G technology was required large capacity for the transport network, especially through microwave transmission network of XL Axiata. Limited capacity need to be upgraded to avoid congestion for existing microwave network. The new technology of millimeter wave E band could be resolved this upgrading problem. The E band is microwave transmission technology using band 70 GHz and 80 GHz that could be provide up to multi giga bps capacity. Nonetheless this new technology has not been implemented by network provider In Indonesia due to licensing scheme are still being worked out by goverment.This research aims to analyze the election of E band technology implementation on existing transmission network microwave legacy of XL Axiata. This research was conducted observations and measurements of E Band ethernet performance that were trialed through existing link 14521003. The measurement results of E band were normalized with legacy rsquo s measurement results using ldquo weighting rdquo methods. This research was also calculated the expenditure cost cash out of both technologies. This calculation to obtain low expenses of implementation, so cost efficiencies could be achieved.The results shown that the E Band is better than legacy to enlarge the capacity. Based on weighting scheme the E Band obtain better result than legacy with throughput 987 Mbps, latency 200.7 s and jitter 8.5 s. However the E band implementation does not provide cost efficiency than legacy. The calculation results shown the expenses of E band are higher around 21 than legacy. It was found that frequency fee licenses BHP is the largest contributor of operating costs incurred each year, so it is necessary to study more specifically of frequency fee calculation scheme to obtain efficiency of expenses desired."
2017
T48903
UI - Tesis Membership  Universitas Indonesia Library
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Boston: Artech House, 1996
621.381 331 MIC
Buku Teks  Universitas Indonesia Library
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Muji Santosa
"ABSTRAK
Band Pass Filter (BPF) memiliki peran penting dalam banyak aplikasi Radio
Frekuensi (RF). BPF digunakan untuk memisahkan frekuensi yang berbeda. Hal ini
disebabkan Spektrum elektromagnetik merupakan sumberdaya terbatas sehingga
harus dibagi. BPF digunakan untuk memilih sinyal RF dalam frekuensi kerjanya.
Berbagai aplikasi komunikasi nirkabel terus muncul dan mengharapkan kinerja filter
RF dengan kinerja yang tinggi dan ukuran yang lebih kecil. Proyek ini mempelajari
prinsip mikro-strip bandpass RF filter. Metode yang digunakan Tangga dan Hairpin.
Jenis Chebysev dengan orde 5 dan ripple sebesar 0,01 dB. Sistem ini disimulasikan
dalam software Desain Advanced System (ADS), kemudian di pabrikasi dan diukur
untuk memvalidasi desain. Tujuan penelitian ini adalah untuk merancang Microstrip
filter bandpass untuk Automatic Dependent Surveilance Broadcast (ADS-B)
dengan Frekuensi Pusat 1090 MHz menggunakan Ladder dan Metode Hairpin dan
kemudian membandingkan kedua metode untuk memperoleh kinerja yang lebih
tinggi dan ukuran yang lebih kecil.

ABSTRACT
Band Pass Filters has an important role in many Radio Frequency (RF) applications.
They are used to separate different frequencies. The electromagnetic spectrum is
limited and has to be shared; filters are used to select the RF signals within assigned
spectral limits. Emerging applications such as wireless communications continue to
challenge RF filters with ever more stringent requirements—higher performance and
smaller size. This project studied the principle of micro-strip RF bandpass filter. The
method used the Ladder and Hairpin. The Chebysev type with order 5 and ripple of
0.01 dB was used. The system is simulated in software Advanced Design System
(ADS), fabricated and measured for validate the design. The objectives are to
design Micro-strip bandpass filter for Automatic Dependent Surveilance Broadcast
(ADS-B) with Frequency Center 1090 MHz using Ladder and Hairpin Method and
then compare the both methods for obtain higher performance and smaller size."
Fakultas Teknik Universitas Indonesia, 2013
T34875
UI - Tesis Membership  Universitas Indonesia Library
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Edward, T.C.
New York: Wiley, 1981
621.381 EDW f
Buku Teks  Universitas Indonesia Library
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Edwards, Terry
Chichester, West Sussex: John Wiley & Sons, 1992
621.381 EDW f
Buku Teks  Universitas Indonesia Library
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Thomson, Arthur A.
"Standar WiMAX, dengan kelebihannya mampu menyalurkan data kecepatan tinggi (sampai 75 Mbps) dengan jarak jangkau sampai 50 km, dan mampu mengatasi konsidi Non Line Of Sight (NLOS), sangat potensial diimplementasikan di Indonesia yang rnasih memiliki kesenjangan infrastruktur telekomunikasi. WiMAX dapat difungsikan untuk mendukung percepatan pembangunan infrastruktur akses, menutup kelemahan WiFi, atau sebagai solusi altematif bahckhaul komunikasi selular. Kelebihan lain standar WiMAX adalah kemampuan interoperability, yang pada implementasinya diharapkan mampu menyebabkan terjadinya kompetisi penyediaan perangkat sehingga bisa menurunkan tingkat harga.
Melalui pembahasan beberapa kelebihan di atas, pada tesis ini dianalisa implikasi ekonomis (economic analysis) dari implementasi WiMAX, khususnya terhadap perencanaan investasi dan penurunan tarif layanan kepada pelanggan. Pembahasan didekati dengan beberapa asumsi perencanaan teknis yang sesuai dan prediksi penetrasi pasar berdasarkan kondisi geografi dan demografi. Kemudian dilakukan analisa terhadap kelayakan investasi dan pengaruhnya terhadap cost base jaringan, serta beberapa simulasi terhadap prediksi penurunan harga perangkat.
Dari hasil analisa dan simulasi disimpulkan kondisi optimum secara ekonomis dan pengaruh penurunan harga perangkat terhadap penurunan tingkat harga layanan kepada pengguna.
WiMAX standard, with its advantages in delivering high speed data (up to 75 Mbps), covering with radius up to 50 km, and ability of handling Non Line Of Sight (NLOS) conditions, has big opportunity to deploy on the country with vast infrastructure gap like Indonesia. WiMAX can be used to support the acceleration of access infrastructure development, complementing the WiFi disadvantages in term of distance, QoS and Security manner, or as an alternative backhaul for cellular communication. Other benefit of WiMAX is the ability of interoperability, that can be expected to accelerate the competition of equipment supply and reduce the price level.
With all the benefits above, this tesis analyzes economic implication (economic analysis) for the further WiMAX implementation, especially on investment plan and service tariff for end users. In perspective of several plan parameter assumptions accordingly and penetration prediction base on geographic and demographics profile, it will analyze the investment visibility and the influence to network cost base. It will be simulated also influence of the decreasing equipment price prediction.
From the result of analysis and simulation, it will conclude the optimum condition as economic perspectives and the impact of equipment price decrease to end users price level.
;WiMAX standard, with its advantages in delivering high speed data (up to 75 Mbps), covering with radius up to 50 km, and ability of handling Non Line Of Sight (NLOS) conditions, has big opportunity to deploy on the country with vast infrastructure gap like Indonesia. WiMAX can be used to support the acceleration of access infrastructure development, complementing the WiFi disadvantages in term of distance, QoS and Security manner, or as an alternative backhaul for cellular communication. Other benefit of WiMAX is the ability of interoperability, that can be expected to accelerate the competition of equipment supply and reduce the price level.
With all the benefits above, this tesis analyzes economic implication (economic analysis) for the further WiMAX implementation, especially on investment plan and service tariff for end users. In perspective of several plan parameter assumptions accordingly and penetration prediction base on geographic and demographics profile, it will analyze the investment visibility and the influence to network cost base. It will be simulated also influence of the decreasing equipment price prediction.
From the result of analysis and simulation, it will conclude the optimum condition as economic perspectives and the impact of equipment price decrease to end users price level.
;WiMAX standard, with its advantages in delivering high speed data (up to 75 Mbps), covering with radius up to 50 km, and ability of handling Non Line Of Sight (NLOS) conditions, has big opportunity to deploy on the country with vast infrastructure gap like Indonesia. WiMAX can be used to support the acceleration of access infrastructure development, complementing the WiFi disadvantages in term of distance, QoS and Security manner, or as an alternative backhaul for cellular communication. Other benefit of WiMAX is the ability of interoperability, that can be expected to accelerate the competition of equipment supply and reduce the price level.
With all the benefits above, this tesis analyzes economic implication (economic analysis) for the further WiMAX implementation, especially on investment plan and service tariff for end users. In perspective of several plan parameter assumptions accordingly and penetration prediction base on geographic and demographics profile, it will analyze the investment visibility and the influence to network cost base. It will be simulated also influence of the decreasing equipment price prediction.
From the result of analysis and simulation, it will conclude the optimum condition as economic perspectives and the impact of equipment price decrease to end users price level.
"
Boston: McGraw-Hill, 2006
658.402 1 THO s
Buku Teks SO  Universitas Indonesia Library
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Schubert, Werner
Berlin, Munich: Siemens-Aktiengesellschaft, 1982
621.387 84 SCH c
Buku Teks  Universitas Indonesia Library
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Lehpamer, Harvey
New York: McGraw-Hill, 2010
621.381 31 LEH m
Buku Teks  Universitas Indonesia Library
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