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

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Presentatie over: " Siemens Nederland N.V. 2001 Get a bit more. Siemens. 1 Mobiele Netwerken MBO TELECOM/ICT Mobiele netwerken."— Transcript van de presentatie:

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

3  Siemens Nederland N.V Get a bit more. Siemens. 2 Mobiele Netwerken Agenda – Markt Situatie – GSM – WAP – GPRS – UMTS – Metingen in mobiele netwerken – Afsluiting

4  Siemens Nederland N.V Get a bit more. Siemens. 3 Mobiele Netwerken Introductie Peter Luns, Ing. System Engineer, GSM Internationale Projecten Siemens Nederland NV Mobile : Phone :

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

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

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

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

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

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

11  Siemens Nederland N.V Get a bit more. Siemens. 10 Mobiele Netwerken GSM Techniek (1/8) MSC BSC HLR GMSC VLREIRAuC BTS PSTN TE

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

13  Siemens Nederland N.V Get a bit more. Siemens. 12 Mobiele Netwerken GSM Techniek (3/8) GSM 900 (124 channels) * Uplink MHz Downlink MHz GSM1800 (374 channels) * Uplink MHz Downlink MHz GSM1900 (299 channels) * Uplink MHz Downlink MHz

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

15  Siemens Nederland N.V Get a bit more. Siemens. 14 Mobiele Netwerken GSM Techniek (5/8) …… TB GPTB Information Frame bestaat uit 8 Timeslots Timeslot = bits = msec 1 bit = 3.7 µsec Carrier 0 Carrier 1 Carrier 2

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

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

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

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

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

21  Siemens Nederland N.V Get a bit more. Siemens. 20 Mobiele Netwerken Siemens Switching System (1/5) 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 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

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

23  Siemens Nederland N.V Get a bit more. Siemens. 22 Mobiele Netwerken Siemens Switching System (3/5) HLR Home Location Register Taken: Centrale opslag/management van abonnee data Aanleveren van data aan VLR Route information aan MTC Geassiocieerd met AuC Abonnee data: Semipermanente data: MSISDN, IMSI, abonnee services, restricties,... Tijdelijke abonnee informatie VLR adres, LMSI, MSRN, SMS flaggen,... AuC Authentication Center Tasks: Security data storage (Ki) Generatie van triples (VLR verzoek) Geassocieerd met HLR Data / algorithmen: Ki, IMSI, A3, A8

24  Siemens Nederland N.V Get a bit more. Siemens. 23 Mobiele Netwerken Siemens Switching System (4/5) 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,...)

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

26  Siemens Nederland N.V Get a bit more. Siemens. 25 Mobiele Netwerken Service Nodes 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 , SMS Unified Messaging Personal Services Personal Number / One Number Service Personal Communication Service Friends & Family Screening Services /Control of Use Cost Optimization International Automatic Call Back Least Cost Routing Equal Access Home Zone Billing Mobile Local Call Alternate Billing Prepaid Service Account Card Calling Credit Card Calling Automatic Alternative Billing Advertisement Ad financed Calling Ad sponsored Service 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... Applications IN Features

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

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

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

30  Siemens Nederland N.V Get a bit more. Siemens. 29 Mobiele Netwerken BTS (2/2) UmUm parity bits convolutional encoding inter- leaving channel coding burst blocks formation burst multiplexing transmit HF generationmodulation receive Frequency hopping Synchronization (time and frequency) Monitoring and optimization of transmission quality Power Control PC Timing Advance TA ciphering + A bis BTS

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

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

33  Siemens Nederland N.V Get a bit more. Siemens. 32 Mobiele Netwerken Operation & Maintenance Center (3/3) Applications Network Status Display Performance Management Statistics Fault Management SS7 Management Event & Log Management Security Backup / Restore Redundancy Concept Documentation, Help... Network Management Element Management Network Elements Service Management INCommanderINCommander EM of other NE EM of other NE CSC NetworkPlanningToolsNetworkPlanningToolsPerformanceManagement e.g. Metrica PerformanceManagement HLRGSN Service Management Tools other NE (e.g. ransport) SCPSMP RadioCommanderRadioCommander RNC NodeB NodeB SwitchCommanderSwitchCommander MSCUMSC BSS EricssonNE TMOSTMOS Mobile Integrator (based on TeMIP) Mobile Integrator (based on TeMIP)

34  Siemens Nederland N.V Get a bit more. Siemens. 33 Mobiele Netwerken Mobile Station (1/2) + SIM IMSI = Subscriber Identification nummer Mobile Country Code + Mobile Network Code + Mobile Subscriber Id Number Network data (preferred / forbidden) Geheime Sleutels SMS Berichten Telefoon boek Mobile Equipment Frequentie band Power klasse: 900Mhz = 2W 1800Mhz = 1W 1900Mhz = 0.6W

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

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

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

38  Siemens Nederland N.V Get a bit more. Siemens. 37 Mobiele Netwerken Globaal netwerk ontwerp PSTN PDN MSC BSC TRAU BTS BTS BTS BTS BTS SMS VMS MSC BMBP SNIN HRL/VLR/AuC/EIR RIG GGSNSGSN LMT BTS BTS IN mgmt SC Cmd RC Cmd SMSVMSSN Operation and Maintenance Center Sonet Sonet CBC

39  Siemens Nederland N.V Get a bit more. Siemens. 38 Mobiele Netwerken Capaciteit en fasering PlanningPhase 1Phase 2Phase 3 Launch date01/04/200231/12/2002 Tobago BSS Capacity BTS sites BSC sites TRAU sites MSC/VLR 20, , Trinidad SSS Core Capacity BSS Capacity BTS sites BSC sites TRAU sites MSC/VLR 100, , , , ,

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

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


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