LAPORAN SKRIPSI Analisis Performansi IDR- DS3 Terhadap...
Transcript of LAPORAN SKRIPSI Analisis Performansi IDR- DS3 Terhadap...
LAPORAN SKRIPSI
Analisis Performansi IDR- DS3 Terhadap Perubahan Cuaca Pada
Link Ambon – Saumlaki PT Telkomsel Studi Kasus di PT. Patrakom
Indonesiad
(Performance Analysis IDR-DS3 AGainst Climate Change In Link
Ambon – Saumlaki PT. Telkomsel Case Study In PT. Patrakom
Indonesia)
Disusun Sebagai Salah Satu Syarat Untuk Memperoleh Gelar Sarjana Teknik
Program Studi Teknik Telekomunikasi
Sekolah Tinggi Teknologi Telematika Telkom Purwokerto
Oleh :
Nuraeni Wulandari
NIM 13101095
Program Studi Teknik Telekomunikasi
Sekolah Tinggi Teknologi Telematika Telkom
Purwokerto
2017
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LAPORAN SKRIPSI
Analisis Performansi IDR- DS3 Terhadap Perubahan Cuaca Pada
Link Ambon – Saumlaki PT Telkomsel Studi Kasus di PT. Patrakom
Indonesia
(Performance Analysis IDR-DS3 AGainst Climate Change In Link
Ambon – Saumlaki PT. Telkomsel Case Study In PT. Patrakom
Indonesia)
Disusun Sebagai Salah Satu Syarat Untuk Memperoleh Gelar Sarjana Teknik
Program Studi Teknik Telekomunikasi
Sekolah Tinggi Teknologi Telematika Telkom Purwokerto
Oleh :
Nuraeni Wulandari
NIM 13101095
Program Studi Teknik Telekomunikasi
Sekolah Tinggi Teknologi Telematika Telkom
Purwokerto
2017
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DAFTAR ISI
HALAMAN JUDUL .......................................................................... .......... i
HALAMAN PENGESAHAN ........................................................................ ii
HALAMAN PERNYATAAN ............................................................. ...... iii
KATA PENGANTAR .................................................................................. iv
HALAMAN PERNYATAAN PERSETUJUAN AKADEMIS .................v
DAFTAR ISI ............................................................................. ............ ...... vi
DAFTAR GAMBAR .................................................................................... ix
DAFTAR TABEL .............................................................................. ....... ...x
DAFTAR SINGKATAN .............................................................................. xi
DAFTAR LAMPIRAN ................................................................................ xii
ABSTRAK ................................................................................................. xiii
ABSTRACT ................................................................................................ xiv
BAB I PENDAHULUAN
1.1. LATAR BELAKANG ............................................................ . 1
1.2. RUMUSAN MASALAH ................................................... ...... 2
1.3. TUJUAN PENULISAN......................................... .. ...................2
1.4. BATASAN MASALAH ........................................................ .. 2
1.5. MANFAAT PENULISAN ..................................................... .. 3
1.6. METODOLOGI PENELITIAN .............................................. .. 3
1.7. SISTEMATIKA PENULISAN ...................................... . ...........5
BAB II DASAR TEORI
2.1. SISTEM KOMUNIKASI SATELIT ...................................... .. 7
2.1.1. Keuntungan Komunikasi Satelit ..................................... 8
2.1.2. Kerugian Komunikasi Satelit .......................................... 9
2.2. SPACE SEGMEN .............................................................. ......... 9
2.2.1. JENIS ORBIT SATELIT ........................................ ...... 10
2.2.1.1. Orbit Stasioner ............................................ .... 10
2.2.1.2. Orbit Polar ...................................................... 11
2.2.1.3. Orbit Eleptical ................................................ 12
2.2.2. JENIS-JENIS SATELIT .......................................... ..... 12
2.3. DIGITAL SIGNAL 3 (DS3) ...................................................... 13
2.3.1. Out Door Unit (ODU) .................................................. 15
2.3.1.1. Antena Parabola ............................................ 15
2.3.1.1.1. Gain Antena Parabola ................... 17
2.3.1.1.2. Beamwidth Antena Parabola ......... 17
2.3.1.2. Low Noise Amplifier (LNA) .......................... 18
2.3.1.3. Feedhorn ......................................................... 19
2.3.1.4. High Power Amplifier (HPA) ...................... ... 20
2.3.1.5. Up dan Down Converter ................................ 20
2.3.2. In Door Unit (IDU) ...................................................... 21
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2.3.3. Parameter-Parameter Jaringan IDR-DS3 .................. .... 21
2.3.3.1. Eb/No.......................................................... .... 21
2.3.3.2. Bit Error Ratio (BER) ..................................... 22
2.3.4. Sistem Modulasi Phase Shift Keying (PSK) .................. 22
2.3.4.1. Binary Phase Shift Keying (BPSK) ................. 23
2.3.4.2. Quadrature Phase Shift Keying (QPSK) ......... 23
2.3.4.3. Eight-state Phase Shift Keying (8 PSK) ......... 23
2.4. LINK BUDGET ........................................................................ 24
2.4.1. Free Space Loss (FSL).............................................. ...... 26
2.4.2. Effective Isotropic Radiated Power (EIRP) ................... 26
2.4.3. Carrier to Noise Ratio (C/N) ......................................... 26
2.5. REDAMAN PROPAGASI GELOMBANG RADIO .............. 27
2.5.1. Menghitung Tinggi Hujan ............................................... 27
2.5.2. Menghitung Panjang Slant-Range, .................... 28
2.5.3. Menghitung Proyeksi Garis Horizontal ............ 28
2.5.4. Menentukan Intensitas / Laju Hujan Untuk Outage Time
Tertentu ... ....................................................................... 28
2.5.5. Menghitung Faktor Reduksi, , untuk 0.01% .......... 29
2.5.6. Menghitung Redaman spesifik ( ) dengan koefisien
yang telah direkomendasikan ITU-R P.838 ... . 29
2.5.7. Menghitung prediksi redaman hujan untuk 29
2.5.8. Estimasi Redaman Hujan untuk persen waktu yang lain.29
2.5.9. Menghitung Faktor Berawan dan Berkabut ................... 30
2.5.10. Menghitung Sky Noise Temperature ............................ . 30
2.5.11. Menghitung Sun As A Noise Generator ....................... . 30
2.5.12. Menghitung Kecepatan Transmisi data ......................... 30
2.6. Satmaster .................................................................................. 31
2.7. Aplikasi Paessler Router Traffic Grapher (PRTG) .................. 33
BAB III METODOLOGI PENELITAN
3.1. Konfigurasi Sistem .................................................................. 37
3.2. Data Spesifikasi Perangkat ...................................................... 39
3.3. Redaman Propagasi Gelombang Ratio ..................................... 44
BAB IV ANALISA DAN PEMBAHASAN
4.1. Perhitungan Radio LINK BUDGET .......................................... 47
4.1.1. Menghitung Kecepatan Transmisi Data .......................... 47
4.1.2. Menghitung Gain Antena Parabola ................................. 47
4.1.3. Menghitung Beamwidth Antena Parabola ....................... 48
4.1.4. Menghitung Bit Error Ratio (BER) ................................ 48
4.1.5. Menghitung Free Space Loss (FSL) ............................... 48
4.1.6. Menghitung Effective Isotropic Radiated Power (EIRP) . 49
4.1.7. Menghitung Carrier to Noise Ratio (C/N) ...................... 49
4.1.8. Menghitung Eb//No ......................................................... 49
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4.1.9. Menghitung Eb/No dengan Satmaster ............................. 49
4.1.10. Menghitung Tinggi Hujan ............................................. 51
4.1.11. Menghitung Panjang Slant-Range, LS [Km] ................. 51
4.1.12. Menghitung Proyeksi Garis Horizontal LG [Km] ......... 51
4.1.13. Menghitung Faktor Reduksi, R0,01, untuk 0,01% ........... 51
4.1.14. Menghitung Faktor Berawan dan Berkabut ................... 52
4.1.15. Menghitung Sky Noise Temperature ............................. 52
4.1.16. Menghitung Sun As Noise Generator ............................ 52
4.1.17. Menghitung Redaman Spesifik (A) degan Koefisien α
dan β yang Telah Direkomendasikan ITU .................... 53
4.1.18. Menghitung Prediksi Redaman Hujan untuk 0,01% ...... 53
4.2. Penurunan Level Sinyal yang Diterima ................................... 54
4.3. Pengaruh Penurunan Level Sinyal ........................................... 58
4.4. Mengatasi Penurunan Level Sinyal ......................................... 59
4.5. Level Output Power Radio Frekuensi Pada HPA ..................... 61
BAB V PENUTUP
A. KESIMPULAN ........................................................................... 63
B. SARAN ...................................................................................... 64
DAFTAR PUSTAKA ............................................................... ................. 65
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DAFTAR GAMBAR
1. Gambar 1.1 Flowchart Penelitian ...................................................... 4
2. Gambar 2.1.Komunikasi Satelit......................................................... 7
3. Gambar 2.2. Orbit Stasioner Satelit................................................. 11
4. Gambar 2.3. Orbit Polar Satelit........................................................ 11
5. Gambar 2.4. Orbit Electrical Satelit................................................. 12
6. Gambar 2.5. Frame Organization........................................... ......... 15
7. Gambar 2.6. Antena Tipe Cassegrain................................... ........... 16
8. Gambar 2.7. Pantulan Sinyal Antena Parabolik............................... 16
9. Gambar 2.8. Beamwidth Antena..................................................... 18
10. Gambar 2.9. LNA............................................................................ . 19
11. Gambar 2.10. Feedrhorn Antena tipe Cassegrain........................... 19
12. Gambar 2.11. HPA Comtech............................................................ 20
13. Gambar 2.12. Up dan Down Conventer........................................... 21
14. Gambar 2.13. Modem Comtech CDM-750...................................... 21
15. Gambar 2.14. Konstelasi 8 PSK....................................................... 24
16. Gambar 2.15. Beranda Aplikasi Satmaster...................................... 31
17. Gambar 2.16. Beranda Aplikasi PRTG............................... ............. 34
18. Gambar 3.1. Konfigurasi Siskomsat High Capacity........................ 37
19. Gambar 3.2. Antena Summan........................................................... 37
20. Gambar 3.3. Modem Comtech CDM-750 ....................................... 38
21. Gambar 3.4. Konfigurasi Modem DS3 Ambon............................... 41
22. Gambar 3.5. PRTG Network Monitor.............................................. 42
23. Gambar 3.6. Parameter Report pada Modem Local ( Ambon) ........ 42
24. Gambar 3.7. Parameter Report pada Modem Local (Saumlaki) ...... 43
25. Gambar 3.8. Flowchart Redaman Propagasi Gelombang Radio ..... 45
26. Gambar 4.1. Hasil Perhitungan Eb/No dengan Aplikasi Satmaster . 50
27. Gambar 4.2. Status Link Ambon ke Saumlaki................................. 54
28. Gambar 4.3. Grafik Penurunan Level Sinyal................................... 56
29. Gambar 4.4. TX Grafik.................................................................... 59
30. Gambar 4.5. Flowchart Leveling Jaringan....................................... 60
31. Gambar 4.6. Pengaturan Power Level Manual Pada Modem........... 61
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DAFTAR TABEL
1. Tabel 2.1. Frekuensi Komunikasi Satelit ................................................ 8
2. Tabel 2.2. T Carrier Hierarchy .............................................................. 14
3. Tabel 2.3. Nilai Konstanta α dan β ........................................................ 29
4. Tabel 3.1. Lokasi Stasiun Bumi ............................................................ 39
5. Tabel 3.2. Threshold Eb/No dan Power ODU ....................................... 40
6. Tabel 3.3. Site Parameter ..................................................................... 40
7. Tabel 4.1. Site Parameter Untuk Redaman Hujan ITU Model .............. 50
8. Tabel 4.2. Faktor Berawan Dan Berkabut ............................................. 52
9. Tabel 4.3. Redaman Jarak Hujan dengan Intensitas Curah Hujan. ........ 53
10. Tabel 4.4. Redaman Hujan ITU Model ................................................. 54
11. Tabel 4.5. Hasil Record Modem ........................................................... 55
12. Tabel 4.6. Redaman Hujan dan Eb/No dengan Intensitas Hujan........... 57
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DAFTAR SINGKATAN
DS3 : DIGITAL SIGNAL 3
ASK : Amplitude Shift Keying
BER : Bit Error Rate
BSC : Base Station Controller
MSC : Mobile Switching Center
CR : Composite Rate
DB : Decible
DBM : Decible Milli Watt
DBW : Decible Watt
EDMAC : Embedded Distance-end Monitor and Control
EIRP : Effective Isothropic Radiated Power
FEC : Forward Error Control
FSL : Free Space Loss
GEO : Geostationery Earth Orbit
GHZ : Giga Hertz
HPA : High Power Amplifier
IDU : In Door Unit
IF : Intermediat frequency
IFL : Interfacility Link
ITU : International Telecommunication Union
ITU-R : International Telecommunication Union Recommended
LEO : Low Earth Orbit
MEO : Medium Earth Orbit
MHZ : Mega Hertz
ODU : Out Door Unit
PSK : Phase Shift Keying
PRTG : Paessler Router Traffic Grapher
QAM : Quadrature Amplitude Modulation
RF : Radio Frequency
SSPA : Solid State Power Amplifier
WAN : Wide Area Network
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DAFTAR LAMPIRAN
Lampiran 1
1. Lembar Penilaian .......................................................................... A-1
Lampiran 2
1. Data Obsevasi ................................................................................ B-1
2. Data Curah Hujan Dari BMKG ..................................................... B-2
Lampiran 3
1. DATASHEET CDM-750 .............................................................. C-1
2. DATASHEET UP CONVENTER ................................................. C-2
3. DATASHEET DOWN CONVENTER ........................................... C-3
4. DATASHEET LNA ..................................................................... C -4