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GSM Training for Professionals

GSM Training for Professionals. TOPICS. Module-1 Introduction of Communication and Wireless Concepts History of Communication Telecommunication Basics Frequency, Range of Wireless Frequency Channel Concept Multiple Access Concepts and its types

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GSM Training for Professionals

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  1. GSM Training for Professionals

  2. TOPICS • Module-1 Introduction of Communication and Wireless Concepts • History of Communication • Telecommunication Basics • Frequency, Range of Wireless Frequency • Channel Concept • Multiple Access Concepts and its types • Module-2 Cellular Generation Wireless Concepts • 1st Generation of Cellular Communication (AMPS, TACS) • 2nd Generation of TDMA , GSM • 3rd Generation WCDMA • 4th Generation LTE • Module-3 GSM Architecture • MS • BSS • NSS • Interfaces, Protocols

  3. TOPICS • Module-4 GSM Channel Concepts • GSM Channels • Physical and Logical Channels • Module-5 Cell Planning Concepts • Cell Planning Basic • Cell Planning Tools , TEMPS • Module-6 NSS/BSS Hardware and Software • MSC • HLR • STP • BSC • Module-7 DATA Calls • HSCSD • GPRS • Data Call Path, • SGSN and GGSN Hardware

  4. TOPICS • Module-8 Call paths • Postpaid to Paid calls • Postpaid to Prepaid calls • Operator to Operator Calls • Mobile to PTCL calls • Module-9 Mobile Packet Backbone Network • OSI layer • IP Fundamentals • IP Routing , Protocols • MPLS Requirement in Telecom • Module-10 GSM Evolution Path • GSM Towards LTE • LTE Architecture • S-GWS, MME, eNode

  5. Wireless Access Evolution Subscribers • Broadband • Network Simplification • Cost of Ownership • New Services • Efficiency • More Data Services required • Voice Quality • Portability • Capacity • Data Service • Coverage • Mobility 2G 4G 3G 1G Voice Broadband

  6. Maximize Utilization Spectrum Efficiency FDMA/TDMA/CDMA/OFDMA Power Efficiency----------------Battery Minimize Complexity------- System should be Simple, Cost--------- It should be minimize , as per customer needs Secrete of Upgrade

  7. GSM Architecture Overview • Main components of GSM • The mobile station (MS) • BSS Base Station Subsystem (BTS+BSC) • MSS Mobile Station Subsystem (MSC/HLR, ..) MSC BTS BSC

  8. MS (Mobile Station) MS BTS BSS (Base Station System) BSC PSTN, ISDN... MSC (Network Switching Subsystem) NSS Voicemail Server EIR VLR HLR AuC SM-SC OMC OMC OMM (Operations & Maintenance Management) GSM interfaces NMC X.25 links Network Overview RF department RAN department Transmission department NSS department

  9. Services offered • Voice Services • Data Services (GPRS/MMS) • Short Code Services

  10. GSM Voice Network A subscriber BSC BTS Only Voice Call MSC PSTN BSC BTS B subscriber OMO

  11. GSM Voice and Data Call Architecture Voice Calls Path Data Calls Path Packet Data14.4 Kp/s

  12. GSM Prepaid Services A subscriber BSC BTS MSC PSTN BSC BTS Prepaid B subscriber OMO

  13. SMSC HLR A subscriber BSC BTS BTS B subscriber VMSVoicemail MSC EIR PrePaid SMSC PSTNFixed Network OMO

  14. Short Code Services A subscriber BSC BTS Servers / S-Code MSC PSTN BSC BTS Prepaid B subscriber OMO

  15. Cell Planning (RF)

  16. Two Key technologies are evolving to meet the Wireless Broadband Requirements 4G Air Interfaces Wide Area Mobile MOBILE BROADBAND LTE UMTS GPRS EDGE GSM HSPA 3GPP 802.16e (Mobile WIMAX) Mobile Industry Coverage/Mobility Nomadic Metro Area 802.16a/d (Fixed NLOS) Fixed Wireless Industry 802.11n (smart antennas) 802.11 Mesh extns. 802.16 (Fixed LOS) Fibre Experience DSL Experience Dial Up Local Area Fixed 802.11b/a/g Data Rates (kbps) 100,000 + Higher Data Rate / Lower Cost per Bit

  17. Converge Networks

  18. GSM Network 'B' subscriber ANSWERS What happens NEXT? 'A' subscriber CALLS GSM Call Setup

  19. AUC HLR A subscriber BSC • MS Mobile Station = phone + SIM card • BTS Base Transceiver Station • BSC Base Station Controller • HLR Home Location Register • MSC Mobile services Switching Centre • VLR Visitor Location Register • AUC Authentication Centre Stand-alone or integrated in HLR • EIR Equipment Identity Register For blacklisting stolen and unwanted equipment • SMSC Short Message Service ”Support” Centre • VMS Voice Messaging System • PrePaid Node Hosting prepaid service system • IN Intelligent Network services • PSTN Public Switched Telephone Network • PABX Private Automatic Branch Exchange BTS VMS MSC/VLR Warid EIR PrePaidNode SMSC INTERNET Telenore MSC w BSC PSTN Mobilink B subscriber

  20. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  21. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  22. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  23. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  24. BSCBase Station Controller A subscriber BTS = Base Transceiver Station • The call request reaches the BSC from the BTS and is forwarded to MSC. • After call is established, the BSC will perform decoding of the call (in typical config.)

  25. HLR A subscriber BSC BTS VMS Voicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  26. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  27. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  28. Checks A number. • To whom is A subscriber calling?(Checks B number) • Example : A subscriberhas prepaid number. MSC Mobile Switching Centre

  29. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  30. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  31. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  32. Does the A subscriber have money left on his/her account? • When the call is established and on-going the subscriber’s account is decremented accordingly. PrePaid Node

  33. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  34. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  35. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  36. Where is the B subscriber? • MSC interrogates in HLR.(HLR = Home Location Register) MSC Mobile Switching Centre

  37. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  38. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  39. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  40. HLR says ’I am the home of the B subscriber and I know where he/she is right now’ (i.e. which VLR) • Tells this VLR ’Give me a visitor address for this subscriber’ (Roaming Number) HLR Home Location Register

  41. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  42. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  43. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  44. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  45. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  46. Hosting MSC/VLR returns TEMPORARILY assigned visitor/roaming address for B-subscriber to HLR. MSC Mobile Switching Centre

  47. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  48. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

  49. HLR A subscriber BSC BTS VMSVoicemail MSC EIR PrePaid SMSC IN INTERNET MSC BSC PSTNFixed Network PSTNInternational PABX B subscriber BTS

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