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  1. Wireless Telecommunications Systems & Networks Gary J. Mullett

  2. Chapter 3 Common Cellular System Components

  3. Chapter 3 • Objectives • List the components of a wireless cellular network. • Discuss the functions of the following cellular network hardware components: • MS, RBS, BSC, and MSC

  4. Chapter 3 • Objectives • Discuss the functions of the following cellular network databases: • HLR, VLR, AUC, EIR, and so forth • Discuss the changes in the network components used to implement 3G wireless networks.

  5. Chapter 3 • Objectives • Discuss the use of identification numbers with cellular network components. • Explain the basics of SS7 signaling used in wireless cellular telecommunications networks.

  6. Chapter 3 • Objectives • Explain the basic operations needed for call setup and call release.

  7. Chapter 3 • 3.1 Common Cellular Network Components • Network switching system • Base station system • Mobile station • See Figure 3-1

  8. Chapter 3

  9. Chapter 3 • 3.1 Common Cellular Network Components • Subscriber devices • Transmitter/Receiver section • Man-machine interface • Control subsystem • Power subsystem • See Figure 3-2

  10. Chapter 3

  11. Chapter 3 • 3.1 Common Cellular Network Components • Base station system components • Radio base station • TDMA and CDMA radio base stations • Base station controller • See Figure 3-5

  12. Chapter 3

  13. Chapter 3 • 3.1 Common Cellular Network Components • Transcoder controller • Vocoder • Switching system components • Visitor location register • Mobile switching center • See Figure 3-6

  14. Chapter 3

  15. Chapter 3 • 3.1 Common Cellular Network Components • MSC interface and switching functions • MSC signaling functions • MSC database functions • Home location register • HLR implementation and operation • HLR subscription profile • HLR/AUC interconnection

  16. Chapter 3 • 3.1 Common Cellular Network Components • Interworking location register • Authentication center and equipment identity • Register • Gateway MSC • Interworking units

  17. Chapter 3 • 3.1 Common Cellular Network Components • Network management systems • Other nodes • Service center • Billing gateway • Service order gateway

  18. Chapter 3 • 3.2 Hardware and Software Views of the Cellular Network • Hardware view of a cellular network • Serving areas • Cells • MSC boundaries • See Figure 3-8

  19. Chapter 3

  20. Chapter 3 • 3.2 Hardware and Software Views of the Cellular Network • Software view of a cellular network • Location area identity • Cell global identity • Mobile country code and network code • See Figure 3-9

  21. Chapter 3

  22. Chapter 3 • 3.3 3G Cellular System Components • Core network • Radio access network • Radio network controller • Radio base station • See Figure 3-10

  23. Chapter 3

  24. Chapter 3 • 3.4 Cellular Component Identification • Subscriber device identification • Mobile station ISDN identification number • North American version • The rest of the world • See Figure 3-11

  25. Chapter 3

  26. Chapter 3 • 3.4 Cellular Component Identification • International mobile subscriber identity • See Figure 3-12

  27. Chapter 3

  28. Chapter 3 • 3.4 Cellular Component Identification • International mobile equipment identity • See Figure 3-13

  29. Chapter 3

  30. Chapter 3 • 3.4 Cellular Component Identification • Cellular system component addressing • Location area identity • Cell global identity • Radio base station identity code • Location numbering • Addressing cellular network switching nodes • Global title and global title translation

  31. Chapter 3 • 3.5 Call Establishment • Mobile-terminated call • PSTN messages • GMSC operations • MSC/VLR operations • BSC operations • See Figure 3-17

  32. Chapter 3

  33. Chapter 3 • 3.5 Call Establishment • Mobile-originated call • Mobile operations • Radio base station operations • Base station controller operations • MSC operations • See Figure 3-18

  34. Chapter 3

  35. Chapter 3 • 3.5 Call Establishment • Call release • Connection management operations • Radio resource operations • See Figure 3-19

  36. Chapter 3