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Wireless Telecommunications Systems & Networks. Gary J. Mullett. Chapter 2. Evolution and Deployment of Cellular Telephone Systems. Chapter 2. Objectives Discuss the concept of the different generations of wireless cellular systems.

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Wireless Telecommunications Systems & Networks


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    Presentation Transcript
    1. Wireless Telecommunications Systems & Networks Gary J. Mullett

    2. Chapter 2 Evolution and Deployment of Cellular Telephone Systems

    3. Chapter 2 • Objectives • Discuss the concept of the different generations of wireless cellular systems. • Discuss the evolution and deployment of wireless cellular systems on a worldwide basis.

    4. Chapter 2 • Objectives • Explain the basic operations and structure of a 1G cellular system. • Explain the difference between 1G, 2G, and 2.5G cellular systems. • Discuss the different subscriber services available over 2G mobile systems.

    5. Chapter 2 • Objectives • Discuss the characteristics of 3G wireless mobile systems. • Explain the concept of 4G wireless. • Explain the function of standards bodies.

    6. Chapter 2 • 2.1 Different Generations of Wireless Cellular Networks • Early mobile radio history • The cellular concept takes shape • Early AMPS systems • The rest of the world

    7. Chapter 2 • 2.2 1G Cellular Systems • Introduction • Uplink and downlink • AMPS characteristics • AMPS channels • Traffic and control channels • See Table 2-1

    8. Chapter 2

    9. Chapter 2 • 2.2 1G Cellular Systems • AMPS system components and layout • Radio base stations • Communications links • Mobile switching office • See Figure 2-1

    10. Chapter 2

    11. Chapter 2 • 2.2 1G Cellular Systems • Information flow over AMPS channels • Analog color codes • Digital color codes • Transponder • Signaling tones • See Figure 2-2

    12. Chapter 2

    13. Chapter 2 • 2.2 1G Cellular Systems • Typical AMPS operations • More details • AMPS security and identification • Summary of basic AMPS operations • Initialization • See Figure 2-5

    14. Chapter 2

    15. Chapter 2 • 2.2 1G Cellular Systems • AMPS ongoing idle mode tasks • Mobile-to-land calls • Handshaking operations • Signaling operations • Service requests • See Figure 2-6

    16. Chapter 2

    17. Chapter 2 • 2.2 1G Cellular Systems • Land-to-mobile and mobile-to-mobile calls • Paging • ID information exchange • Signaling • Control messages • See Figure 2-7

    18. Chapter 2

    19. Chapter 2 • 2.2 1G Cellular Systems • AMPS network operations • Radio base station operations • Base station control operations • Mobile switching center operations • See Figure 2-8

    20. Chapter 2

    21. Chapter 2 • 2.2 1G Cellular Systems • Handoff operations • Handshaking operations • Signal strength measurements • MSC operations during handoff • Confirmation messages • See Figure 2-9

    22. Chapter 2

    23. Chapter 2 • 2.2 1G Cellular Systems • Other AMPS details • Station class mark

    24. Chapter 2 • 2.2 1G Cellular Systems • Other 1G systems • TACS cellular • NMT cellular • NTT cellular • Other analog cellular systems • Digital AMPS

    25. Chapter 2 • 2.3 2G Cellular Systems • Introduction • General characteristics of 2G systems • GSM • CDMA • TDMA • PDC and PCS systems

    26. Chapter 2 • 2.4 2.5g Cellular Systems • Evolution of mobile data services • CDPD • HSCSD • GPRS • Packet data over CDMA

    27. Chapter 2 • 2.5 3G Cellular Systems • Introduction • 3G characteristics • See Figure 2-12 and Table 2-3

    28. Chapter 2

    29. Chapter 2

    30. Chapter 2 • 2.5 3G Cellular Systems • 3G radio interfaces • UMTS • Cdma2000 • UWC-136/EDGE

    31. Chapter 2 • 2.5 3G Cellular Systems • 3G mobile network evolution • 3G harmonization

    32. Chapter 2 • 2.6 4G Cellular Systems and Beyond • Wireless ATM • The All-IP wireless network • IEEE 802.20x

    33. Chapter 2 • 2.7 Wireless Standards Organizations • Introduction • Implementation groups • Regional organizations • National organizations • Global organizations