TUGAS AKHIR. Diajukan guna melengkapi sebagian syarat dalam mencapai gelar Sarjana Strata Satu (S1) Disusun Oleh :

TUGAS AKHIR

IMPLEMENTASI DAN ANALISIS SISTEM SCA (SMART CALL ASSISTANT) DALAM PROSES MOC (MOBILE ORIGINATING CALL) PADA PELANGGAN INTERNATIONAL ROAMING INBOUND

Diajukan guna melengkapi sebagian syarat dalam mencapai gelar Sarjana Strata Satu (S1)

Disusun Oleh : Nama

: Ridho Rizali

NIM

: 41413110042

Program Studi : Teknik Elektro

PROGRAM STUDI TEKNIK ELEKTRO FAKULTAS TEKNIK UNIVERSITAS MERCUBUANA JAKARTA 2015

http://digilib.mercubuana.ac.id/

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KATA PENGANTAR Bismillahirrohmanirrohim, puji dan syukur Penulis panjatkan kehadirat Allah SWT yang telah memberikan rahmat-Nya kepada penulis, hingga akhirnya Penulis dapat menyelesaikan Laporan Tugas Akhir yang merupakan salah satu persyaratan untuk menyelesaikan Program Studi Strata Satu (S1) pada Jurusan Teknik Elektro Universitas Mercu Buana. Tidak lupa shalawat serta salam selalu tercurah bagi Rasulullah SAW. Dalam proses tugas akhir ini penulis menemukan berbagai kendala dalam penyelesaiannya, tetapi atas berkat rahmat Allah SWT dan pihak-pihak lain yang ikut berperan didalamnya, maka penulis dapat melaluinya. Untuk itu, penulis ingin megucapkan terima kasih kepada Allah SWT yang telah memberikan keberkahan dalam hidup penulis, juga orang tua yang selalu memberikan dorongan, kekuatan dan doa untuk penulis. Tidak lupa juga kepada pihak-pihak yang telah membantu, yaitu: 1. Bapak Beny Nugraha, MT, M.Sc, selaku pembimbing. Terima kasih atas segala bimbingan, saran serta kesabarannya. 2. Bapak Yudhi Gunardi ST, MT. selaku Kepala Program Studi Teknik Elektro FTI Universitas Mercubuana. 3. Dia yang selalu memberikan semangat dan motivasi untuk menyelesaikan Laporan Tugas Akhir ini. 4. Mas Deden, Mas Yunza, Mas Iqbal dan Mas Yudha, yang telah membantu dalam proses pengambilan data di PT Telkomsel dan penjelasanpenjelasan tekniknya.


5. Sahabat-sahabatku terutama kawan-kawan seperjuangan yang telah memberikan dukungan moral untuk terus menyelesaikan Laporan Tugas Akhir ini, serta pihak-pihak yang tidak dapat Penulis sebutkan satu persatu. Akhir kata, Penulis berharap semoga Tugas Akhir ini berguna bagi Pembaca dan bisa dikembangkan untuk teknologi di masa yang akan datang.

Jakarta, 9 Agustus 2015

Penulis

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DAFTAR ISI

Halaman Judul ......................................................................................................... i Halaman Pernyataan................................................................................................ ii Halaman Pengesahan. ............................................................................................ iii Abstrak. .................................................................................................................. iv Kata Pengantar ........................................................................................................v Daftar Isi................................................................................................................ vii Daftar Tabel .............................................................................................................x Daftar Gambar ........................................................................................................ xi Daftar Grafik ........................................................................................................ xiii Daftar Singkatan................................................................................................... xiv BAB I PENDAHULUAN .......................................................................................1 1.1 Latar Belakang .......................................................................................1 1.2 Rumusan Masalah ..................................................................................3 1.3 Tujuan Penelitian ...................................................................................3 1.4 Batasan Masalah.....................................................................................3 1.5 Metode Pendekatan ................................................................................4 1.6 Sistematika Penulisan ............................................................................4 BAB II DASAR TEORI .........................................................................................6 2.1 Arsitektur GSM ......................................................................................6 2.1.1 Network Switching Subsystem (NSS) ............................................7 2.1.2 Base Station Subsystem (BSS) .....................................................9 2.1.3 Operation and Support Subsystem (OSS) ..................................10 vii


2.2 Common Channel Signaling System no. 7 (CCS7) ..............................11 2.2.1 Arsitektur Jaringan CCS7 ...........................................................12 2.2.2 Message Transfer Part (MTP) ....................................................16 2.2.3 Signaling Connection and Control Part (SCCP) ........................17 2.2.4 Transaction Capabilities Application Part (TCAP) ...................18 2.2.5 Mobile Application Part (MAP) .................................................19 2.2.6 ISDN User Part (ISUP) ..............................................................20 2.3 International Roaming .........................................................................20 2.3.1 Struktur Dasar Roaming ..............................................................22 2.3.2 Layanan Roaming........................................................................23 2.3.3 Jaringan Signaling Inter-PLMN ..................................................25 2.3.4 Komunikasi Antara VPLMN VLR dan HPLMN HLR...............27 2.4 Sistem Smart Call Assistant (SCA) .....................................................29 BAB III METODOLOGI PENLITIAN ............................................................31 3.1 Metode Penyusunan .............................................................................31 3.2 Implementasi SCA Pada International Roaming Network Telkomsel 33 3.3 Proses MOC Pada Pelanggan International Roaming Inbound ..........36 3.4 Monitoring Tools .................................................................................38 3.5 SCA Success Rate (SCASR) ................................................................45 BAB IV PENGAMBILAN DATA DAN ANALISA HASIL ...........................46 4.1 Pengambilan Data ................................................................................46 4.2 Data Transaksi ISD .............................................................................47 4.2.1 Perbandingan Transaksi ISD ......................................................49 4.2.2 Perbandingan Signaling Trace ISD Operator Maxis dan U viii


Mobile .........................................................................................51 4.3 Data Transaksi MOC................................................................54 4.3.1 Perbandingan Transaksi MOC ...................................................56 4.3.2 Perbandingan ISUP Trace MOC Operator Maxis dan U Mobile .........................................................................................58 4.4 Perbandingan Jumlah Revenue ............................................................60 4.5 Tingkat Keberhasilan Sistem SCA .....................................................63 BAB V KESIMPULAN DAN SARAN ...............................................................65 5.1 Kesimpulan ..........................................................................................65 4.2 Saran ............................................................................................................66 DAFTAR PUSTAKA ...........................................................................................67 LAMPIRAN

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DAFTAR TABEL

Tabel 3.1 Paramater trace tools Polystar .......................................................

39

Tabel 3.2 Paramater trace tools Traffic News ................................................

44

Tabel 4.1 Sample Log Trace ISD Pelanggan Inbound Roaming Tanpa Sistem SCA ....................................................................................

50

Tabel 4.2 Sample Log Trace ISD Pelanggan Inbound Roaming dengan Sistem SCA ....................................................................................

50

Tabel 4.3 Ilustrasi revenue MOC pelanggan inbound roaming U Mobile Malaysia ..........................................................................

61

Tabel 4.4 Tingkat Keberhasilan SCA ............................................................

64

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DAFTAR GAMBAR

Gambar 2.1 Struktur Sistem GSM .................................................................

7

Gambar 2.2 Arsitektur BSS ...........................................................................

9

Gambar 2.3 Arsitektur Protokol CCS7 ..........................................................

13

Gambar 2.4 Frame MTP level 2 ....................................................................

13

Gambar 2.5 Koneksi Inter-PLMN .................................................................

22

Gambar 2.6 Contoh Handset GSM ................................................................

24

Gambar 2.7 Contoh Handset GSM + GPRS ..................................................

24

Gambar 2.8 Contoh Handset GSM + GPRS + 3G .........................................

24

Gambar 2.9 Contoh Handset GSM + GPRS + 3G + 4G ................................

25

Gambar 2.10 Jaringan Global Roaming...........................................................

26

Gambar 2.11 Jaringan Signaling Inter-PLMN .................................................

27

Gambar 2.12 Turunan MGT untuk IMSI Pelanggan Roamers ........................

28

Gambar 2.13 Routing Berdasarkan MGT ........................................................

29

Gambar 2.14 Struktur Sistem GSM dengan SCA ............................................

30

Gambar 3.1 Diagram Alir Sistem SCA Saat Proses MOC ............................

32

Gambar 3.2 Implementasi SCA Pada International Roaming Network Telkomsel ..................................................................................

33

Gambar 3.3 Flow Kerja SCA .........................................................................

35

Gambar 3.4 Flow Kerja MOC........................................................................

37

Gambar 4.1 Diagram Alir Pengambilan Transaksi ISD dengan Polystar .....

48

Gambar 4.2 Perbandingan GT Calling tanpa Sistem SCA dengan Sistem SCA ................................................................................

52

Gambar 4.3 Perbandingan message trace tanpa Sistem SCA dengan Sistem SCA ................................................................................

53

Gambar 4.4 Diagram Alir Pengambilan Transaksi MOC dengan Traffic News ...............................................................................

55

Gambar 4.5 Log trace transaksi MOC tanpa Sistem SCA .............................

56

Gambar 4.6 Log trace transaksi MOC dengan Sistem SCA ..........................

57

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Gambar 4.7 Detail Dx Cause tanpa Sistem SCA ...........................................

57

Gambar 4.8 Detail Dx Cause dengan Sistem SCA ........................................

58

Gambar 4.9 Detail B Address Number Type dan B Direction Number Type tanpa Sistem SCA ......................................................................

59

Gambar 4.10 Detail B Address Number Type dan B Direction Number Type dengan Sistem SCA ...........................................................

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DAFTAR GRAFIK

Gambar 4.11 Grafik Batang Perbandingan Jumlah Revenue .........................

62

Gambar 4.12 Grafik Batang Perbandingan Success Call Rate Inbound Roamers U Mobile Malaysia ..................................................

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DAFTAR SINGKATAN

AUC

: Authentication Centre ………………………………………… 8

ACM

: Address Complete Message ………………………………….. 20

ANM

: Answer Message ……………………………………………… 20

BIB

: Backward Indicator Bit ……………………………………….. 14

Bit

: Binary Digit …………………………………………………... 9

BSN

: Backward Sequence Number …………………………………. 14

BSS

: Base Station System …………………………………………... 6

BTS

: Base Transceiver Station ………………………………………. 9

CAMEL

: Customized Application for Mobile Enhanced Logic ………... 34

CAS

: Channel Associated Signaling ………………………………... 11

CC

: Country Code …………………………………………………. 28

CCITT

: Comite Consultatif International Telegraphique et Telephonique ………………………………………………….. 11

CCS7

: Common Chanel Signaling System No.7 ……………………... 5

CdPA

: Called Party Address …………………………………………. 29

CgPA

: Calling Party Address ………………………………………... 27

CDR

: Charging Data Record ………………………………………... 53

CIC

: Carrier Identification Code …………………………………… 35

CK

: Cyclic Redundancy Check ……………………………………. 13

CSI

: CAMEL Subscription Info ……………………………………. 34

DPC

: Destination Point Code ……………………………………….. 17

EIR

: Equipment Identity Register ………………………………….. 8

F

: Flag …………………………………………………………… 14

FIB

: Forward Indicator Bit ………………………………………… 14

FSN

: Forward Sequence Number …………………………………... 14

GPRS

: General Packet Radio Service ………………………………... 21

GSM

: Global System for Mobile Communication …………………… 1

GT

: Global Title …………………………………………………… 38

HLR

: Home Location Register ……………………………………… 28 xiv


HPLMN

: Home Public Land Mobile Network …………………………... 1

IAM

: Initial Address Message ………………………………………. 20

IMEI

: International Mobile Equipment Identity …………………….. 8

IMSI

: International Mobile Subscriber Identity …………………….. 27

ISD

: Insert Subscriber Data ………………………………………... 39

ISDN

: Integrated Services Digital Network …………………………. 7

ISUP

: ISDN User Part ……………………………………………….. 15

IWF

: Interworking Function …………………………………………. 8

LE

: Local Exchange ……………………………………………….. 35

LI

: Length Indicator …………………………………………….... 14

LSSU

: Link Status Signal Unit ……………………………………….. 15

LU

: Location Update ………………………………………………. 37

MAP

: Mobile Application Part ………………………………………. 38

MCC

: Mobile Country Code …………………………………………. 28

MGT

: Mobile Global Title …………………………………………… 28

MOC

: Mobile Originating Call ……………………………………...... 2

MS

: Mobile Station ………………………………………………… 23

MSC

: Mobile Switching Centre …………………………………….. 28

MSIN

: Mobile Station Identifier Number …………………………….. 29

MSISDN

: Mobile Station International Subscriber Directory Number ….. 38

MSU

: Message Signaling Unit ………………………………………. 15

MTC

: Mobile Terminating Call ……………………………………... 38

MTL

: Message Transfer Link ……………………………………….. 9

MTP

: Message Transfer Part ………………………………………… 12

NDC

: National Destination Code ……………………………………. 28

NSP

: Network Service Part …………………………………………. 15

NSS

: Network Switching Sub System ……………………………… 6

OMC

: Operation and Maintenance Center …………………………... 10

OP

: Operation ……………………………………………………... 39

OPC

: Originating Point Code ……………………………………….. 17

OSI

: Open System Interconnect ……………………………………. 18

OSS

: Operation and Support Sub System …………………………... 6 xv


PSTN

: Public Switched Telephone Network ………………………….. 8

REL

: Release Message ……………………………………………... 20

RLC

: Release Complete Message …………………………………... 20

SAI

: Send Authentication Info …………………………………….. 39

SCA

: Smart Call Assistant ……………………………………........... 2

SCCP

: Signaling Connection and Control Part ………………………. 15

SCLC

: Signaling Connectionless Control ……………………………. 17

SCOC

: Signaling Connection Oriented Control ……………………… 17

SIF

: Signaling Information Field …………………………………... 14

SIO

: Service Information Octet …………………………………….. 14

SMS

: Short Message Service ……………………………………….. 38

SSN

: Sub System Number ………………………………………….. 17

SSP

: Service Signaling Points ……………………………………… 12

STP

: Signaling Transfer Point ……………………………………… 12

TC

: Transaction Capabilities ……………………………………… 15

TCAP

: Transaction Capabilities Application Part ……………………. 15

TRAU

: Transcoder and Adapter Unit ………………………………… 9

TUP

: Telephone User Part ………………………………………….. 20

UMTS

: Universal Mobile Telecommunications System …………….... 21

VLR

: Visited Location Register …………………………………….. 22

VPLMN

: Visited Public Land Mobile Network ………………………… 22

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TUGAS AKHIR. Diajukan guna melengkapi sebagian syarat dalam mencapai gelar Sarjana Strata Satu (S1) Disusun Oleh :

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