Get a bit more Siemens MBO TELECOMICT Mobiele

Get a bit more. Siemens. MBO TELECOM/ICT Mobiele netwerken 1 Mobiele Netwerken Siemens Nederland N. V. 2001

Agenda Get a bit more. Siemens. – – – – 2 Markt Situatie 9. 30 -10. 00 GSM 10. 00 -11. 15 WAP 11. 15 -11. 45 GPRS 11. 45 -12. 15 UMTS 13. 00 -14. 30 Metingen in mobiele netwerken 14. 45 -15. 45 Afsluiting 15. 45 -16. 00 Mobiele Netwerken Siemens Nederland N. V. 2001

Introductie Get a bit more. Siemens. Peter Luns, Ing. System Engineer, GSM Internationale Projecten Siemens Nederland NV Email : Peter. Luns@siemens. nl Mobile : +31 6 1296 2946 Phone : +31 70 333 1925 3 Mobiele Netwerken Siemens Nederland N. V. 2001

Agenda Get a bit more. Siemens. • GSM netwerk ontwerp * * 4 Historie van GSM Techniek Globaal overzicht van een GSM netwerk Voorbeeld ontwerp Mobiele Netwerken Siemens Nederland N. V. 2001

Historie van GSM (1/4) Get a bit more. Siemens. 5 Mobiele Netwerken Siemens Nederland N. V. 2001

Historie van GSM (2/4) Get a bit more. Siemens. 6 Mobiele Netwerken Siemens Nederland N. V. 2001

Historie van GSM (3/4) Get a bit more. Siemens. • Migratie van analoge naar digitale netwerken – – – Hogere capaciteit van het netwerk S/N Betere transmissie kwaliteit signal quality Encryptie mogelijk op digitale data Data stroom is te herstellen Compressie van spraak en data mogelijk analog signal digital signal Distance from transmitter 7 Mobiele Netwerken Siemens Nederland N. V. 2001 r

Historie van GSM (4/4) Get a bit more. Siemens. 2 G Digital Cellular Networks GSM: Since 1992 Freq’s : 900, 1800, 1900 Usage : Global Approx. 140 countries Approx. 650 M users IS-136: Digital AMPS Since 1991/92 Freq’s : 800, 1900 Usage: N/Z-Amerika Approx. 15 M D-AMPS Approx. 60 M AMPS 8 Mobiele Netwerken PDC: Since 1993/94 Freq’s : 800, 1500 Usage : Japan Appox. 43 M users IS-95: CDMA Sincs 1995 Freq’s : 800, 1900 Usage : Amerika, S. Korea Approx. 35 M users Siemens Nederland N. V. 2001

Agenda Get a bit more. Siemens. • GSM netwerk ontwerp * * 9 Historie van GSM Techniek Globaal overzicht van een GSM netwerk Voorbeeld ontwerp Mobiele Netwerken Siemens Nederland N. V. 2001

GSM Techniek (1/8) Get a bit more. Siemens. HLR BTS BSC VLR EIR Au. C MSC GMSC BSC TE BSC 10 Mobiele Netwerken PSTN Siemens Nederland N. V. 2001

GSM Techniek (2/8) Get a bit more. Siemens. PLMN Service Area MSC/VLR Service Area Location Service Area BTS Cell 11 Mobiele Netwerken Siemens Nederland N. V. 2001

GSM Techniek (3/8) Get a bit more. Siemens. GSM 900 (124 channels) • * Downlink 935 - 960 MHz GSM 1800 (374 channels) • * Uplink 1710 -1785 MHz Downlink 1805 -1880 MHz GSM 1900 (299 channels) • * 12 Uplink 890 - 915 MHz Uplink 1850 -1910 MHz Mobiele Netwerken Downlink 1930 -1990 MHz Siemens Nederland N. V. 2001

GSM Techniek (4/8) Get a bit more. Siemens. 13 Mobiele Netwerken Siemens Nederland N. V. 2001

GSM Techniek (5/8) Get a bit more. Siemens. 0 1 2 3 4 5 6 7 Carrier 0 0 1 2 3 4 5 6 7 Carrier 1 0 1 2 3 4 5 6 7 Carrier 2 Frame bestaat uit 8 Timeslots Timeslot = 156. 25 bits = 0. 577 msec 1 bit = 3. 7 µsec … 7 TB 14 Mobiele Netwerken 0 1 2 Information 3 4 TB 5 6 7 … GP Siemens Nederland N. V. 2001

GSM Techniek (6/8) Get a bit more. Siemens. 15 Mobiele Netwerken Siemens Nederland N. V. 2001

GSM Techniek (7/8) Get a bit more. Siemens. 16 Mobiele Netwerken Siemens Nederland N. V. 2001

GSM Techniek (8/8) Get a bit more. Siemens. 17 Mobiele Netwerken Siemens Nederland N. V. 2001

GSM Techniek Get a bit more. Siemens. • GSM netwerk ontwerp * * 18 Historie van GSM Techniek Globaal overzicht van een GSM netwerk Voorbeeld ontwerp Mobiele Netwerken Siemens Nederland N. V. 2001

Globaal overzicht GSM netwerk Get a bit more. Siemens. Base station subsystem BSS Switching subsystem SSS AC HLR BTS IN SMP VLR EIR PSTN SCP MSC/ SSP BSC Other networks ISDN Data networks OMS PLMN Operation + maintenance subsystem Value Added Services ABC AC BSC BTS CBS 19 CBS ABC VMS OAS Administration and Billing Center. EIR Equipment Identification Register SMP Authentication Center HLR Home Location Register SMS Base Station Controller MSC Mobile Services Switching Center SSP Base Tranceiver Station OAS Operator Assistance Service VLR Cell Broadcast Service SCP Service Control Point VMS Mobiele Netwerken SMS Service Management Point Short Message Service Switching Point Visitor Location Register Voice Mail Service Siemens Nederland N. V. 2001

Siemens Switching System (1/5) Get a bit more. Siemens. • Mobile Switching Center call verwerkings functies (gelijkend op fixed network exchange) • Set-up van signalering / gesprekken • Connection pad selectie • Supplementary service verwerking • Call monitoring • Traffic monitoring en meetingen • Overload beveiliging • Charging • Priority control (bijv. 112) • Ondersteuning van O & M functies 20 Mobiele Netwerken mobile communicatie specifieke functies • Toegang op abonnee & ME databases • Processing van mobiele services • Mobile management, bijv. paging, HOV, LR & LUP, . . . • Interworking Functie voor data services • Abonnee informatie, e. g. instructie berichten Siemens Nederland N. V. 2001

Siemens Switching System (2/5) Get a bit more. Siemens. 21 Mobiele Netwerken Siemens Nederland N. V. 2001

Siemens Switching System (3/5) Get a bit more. Siemens. Au. C Authentication Center HLR Home Location Register Taken: • Centrale opslag/management van abonnee data • Aanleveren van data aan VLR • Route information aan MTC • Geassiocieerd met Au. C Tasks: • Security data storage (Ki) • Generatie van triples (VLR verzoek) • Geassocieerd met HLR Data / algorithmen: • Ki, IMSI, A 3, A 8 Abonnee data: • Semipermanente data: MSISDN, IMSI, abonnee services, restricties, . . . • Tijdelijke abonnee informatie VLR adres, LMSI, MSRN, SMS flaggen, . . . 22 Mobiele Netwerken Siemens Nederland N. V. 2001

Siemens Switching System (4/5) Get a bit more. Siemens. VLR Visitor Location Register Tasks: • Abonnee management in MSC area • Authenticatie coordinatie • Geassocieerd met MSC Abonnee data: • Gedeeltelijke HLR data (MSISDN, IMSI, abonnee services, restricties, . . ) • Tijdelijke abonnee informatie (LMSI, TMSI, LAI, IMSI attach/detach, MSRN, HON, triplets, . . . ) 23 Mobiele Netwerken Siemens Nederland N. V. 2001

Siemens Switching System (5/5) Get a bit more. Siemens. CEIR Common EIR site: Dublin EIR Tasks: • Central, worldwide ME register • Worldwide ME theft prevention Equipment Identity Register Tasks: • Storage of ME data (IMEI) • Monitoring of IMEI: "white", "gray", "black" list ME data: • IMEI = International Mobile Equipment Identity = Type Approval Code TAC + Final Assembly Code FAC (manufacture site) + Serial Number SNR (device serial number) + Software Version Number SVR 24 Mobiele Netwerken Siemens Nederland N. V. 2001

Service Nodes Get a bit more. Siemens. IN Features Number Translation Services Freephone Split / Reversed Charging Premium Rate / Info Service (Weather, Sports, Events, Consulting. . . ) Ordering / Booking Services (Warehouse, Travel, Ticketing. . . ) Call Center Service Universal Number Group Hunting Virtual Private Networks Media Enhancements Voice / Fax Messaging Interactive Voice Response Voice Activated Dialling e-mail, SMS Unified Messaging Advertisement Ad financed Calling Ad sponsored Service Applications Personal Services Personal Number / One Number Service Personal Communication Service Friends & Family Alternate Billing Screening Services /Control of Use Prepaid Service Account Card Calling Credit Card Calling Automatic Alternative Billing 25 Mobiele Netwerken Cost Optimization International Automatic Call Back Least Cost Routing Equal Access Home Zone Billing Mobile Local Call Number Portability Local Number Portability Service Number Portability Provider Number Portability Voting / Entertainment Televoting /Mass Calling Games Opinion Polls Others Emergency, Wake up Call, Reminder Service. . . Siemens Nederland N. V. 2001

TRAU Get a bit more. Siemens. Optimaal gebruik van PCM verbindingen * * TRAU geplaatst bij MSC BSC fungeert als controller en concentrator BSC MSC TRAU naar BTSs 4 TCH’s 16 kbit/s 26 Mobiele Netwerken 4 TCH’s 64 kbit/s Siemens Nederland N. V. 2001

BSC Get a bit more. Siemens. Management van: • • • 27 Transmissie netwerk “Channels” op de radio interface Base Transceiver Station Radio Netwerk Informatie van/naar OMC BSS database Mobiele Netwerken Siemens Nederland N. V. 2001

BTS (1/2) Get a bit more. Siemens. Pico BTS BS-40 BS-240 / 240 XL Micro BTS 28 Mobiele Netwerken Siemens Nederland N. V. 2001

BTS (2/2) Get a bit more. Siemens. Abis parity bits convolutional encoding interleaving BTS channel coding Um ciphering burst blocks formation HF generation burst multiplexing modulation + • Frequency hopping • Synchronization (time and frequency) • Monitoring and optimization of transmission quality • Power Control PC • Timing Advance TA transmit modulation receive 29 Mobiele Netwerken Siemens Nederland N. V. 2001

Operation & Maintenance Center (1/3) Get a bit more. Siemens. EIR SSS MSC/VLR HLR/ Au. C MSC/VLR OMS TRAU WS • Subscriber and equipment data management e. g. clearing services, bills BSC • Network operation, configuration and management BSS BTS • Error detection and correction • Security management • Performance management • Test management 30 Mobiele Netwerken Siemens Nederland N. V. 2001

Operation & Maintenance Center (2/3) Get a bit more. Siemens. OMC-B OMC-S Radio Commander MSC VLR BSC SSS BSS CG : Charging Gateway DNS : Domain name server 31 Mobiele Netwerken Switch Commander LMT MSC VLR EIR HLR AC CT Siemens Nederland N. V. 2001

Operation & Maintenance Center (3/3) Get a bit more. Siemens. Applications Network Status Display Performance Management Statistics Fault Management SS 7 Management Event & Log Management Service Management Tools Network Planning Tools Performance Management e. g. Metrica Mobile Integrator (based on Te. MIP) Radio Command er Switch Command er IN Command er TMOS EM of other NE Network Manageme nt Element Manageme nt Security Backup / Restore Redundancy Concept BSS Documentation, Help. . . 32 Mobiele Netwerken HLR RNC Node B GSN MSC UMSC CSC SMP SCP Ericsson NE other NE (e. g. ransport) Siemens Nederland N. V. 2001 Network Element s

Mobile Station (1/2) Get a bit more. Siemens. + SIM Mobile Equipment • Frequentie band • Power klasse: • 900 Mhz = 2 W • 1800 Mhz = 1 W • 1900 Mhz = 0. 6 W 33 Mobiele Netwerken • IMSI = Subscriber Identification nummer Mobile Country Code + Mobile Network Code + Mobile Subscriber Id Number • Network data (preferred / forbidden) • Geheime Sleutels • SMS Berichten • Telefoon boek Siemens Nederland N. V. 2001

Mobile Station (2/2) Get a bit more. Siemens. reverse speech conversion • channel decoding • de-interleaving • reformation • channel coding • interleaving • burst block formation ciphering de-ciphering • filtering • amplification • de-modulation • HF generation • modulation • amplification Mobile Equipment ME Subscriber Identity Module SIM 34 Mobiele Netwerken Siemens Nederland N. V. 2001

Agenda Get a bit more. Siemens. • GSM netwerk ontwerp * * 35 History van GSM Techniek Globaal overzicht van een GSM netwerk Voorbeeld ontwerp Mobiele Netwerken Siemens Nederland N. V. 2001

Ontwerp parameters Get a bit more. Siemens. • • 36 Aantal gebruikers Wat voor dekking Transmissie eisen / mogelijkheden Verkeers matrix Gewenste services Groeiscenario … Mobiele Netwerken Siemens Nederland N. V. 2001

Globaal netwerk ontwerp Get a bit more. Siemens. Operation and Maintenance Center SN BT BTS S ne VMS SN So t SMS SC Cmd IN RC Cmd BTS LMT BTS VMS MSC RIG CBC BP PST NPD N 37 IN mgmt SMS Mobiele Netwerken MSC HRL/VLR/Au. C// EIR TRA U BSC Sone BTS t BT S BTS BM GGS N Siemens Nederland N. V. 2001

Capaciteit en fasering Get a bit more. Siemens. Planning Launch date Tobago BSS Capacity BTS sites BSC sites TRAU sites MSC/VLR Trinidad SSS Core Capacity BSS Capacity BTS sites BSC sites TRAU sites MSC/VLR 38 Mobiele Netwerken Phase 1 01/04/2002 Phase 2 31/12/2002 Phase 3 31/12/2002 20, 000 10 0 0 0 30, 000 16 0 0 0 100, 000 0 0 1 1 1 200, 000 100, 000 66 2 2 2 300, 000 270, 000 104 3 3 3 Siemens Nederland N. V. 2001

Initieel Radioplan (1/2) Get a bit more. Siemens. 39 Mobiele Netwerken Siemens Nederland N. V. 2001

Initieel Radioplan (2/2) Get a bit more. Siemens. 40 Mobiele Netwerken Siemens Nederland N. V. 2001