1 / 36

Wireless Telecommunications Systems & Networks

Wireless Telecommunications Systems & Networks. Gary J. Mullett. Chapter 1. Introduction to Wireless Telecommunication Systems and Networks. Chapter 1 Introduction. Objectives

avian
Download Presentation

Wireless Telecommunications Systems & Networks

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Wireless Telecommunications Systems & Networks Gary J. Mullett

  2. Chapter 1 Introduction to Wireless Telecommunication Systems and Networks

  3. Chapter 1 Introduction • Objectives • Discuss the general history and evolution of wireless technology from a North American viewpoint and explain the cellular radio concept • Discuss the evolution of modern telecommunications infrastructure.

  4. Chapter 1 Introduction • Objectives • Discuss the structure and operation of the Public Switched Telephone Network, the Public Data Network, and the SS7 Network. • Explain the basic structure of Broadband Cable TV systems.

  5. Chapter 1 Introduction • Objectives • Explain the basic concept and structure of the Internet. • Discuss the usage of the various telecommunications networks and their relationship to one another. • Discuss the OSI model and how it relates to network communications.

  6. Chapter 1 Introduction • Objectives • Discuss wireless network applications and the future of this technology.

  7. Chapter 1 Introduction • 1.1 The History and Evolution of Wireless Radio Systems • Early AM wireless systems • Maxwell, Hertz, Fessenden, and Marconi • Crude early low-frequency transmitters • Used on-off keying (i.e. Morse code) • See Figure 1-1

  8. Chapter 1 Introduction

  9. Chapter 1 Introduction • 1.1 The History and Evolution of Wireless Radio Systems • The first broadcast • 1900s – Fessenden • 1910s – Navy ship-to-ship and ship-to-shore radio development • 1920s – Short-wave radio development

  10. Chapter 1 Introduction • 1.1 The History and Evolution of Wireless Radio Systems • Modern AM • The development of FM • The evolution of digital radio • The cellular telephone concept

  11. Chapter 1 Introduction • 1.2 The Development of Modern Telecommunications Infrastructure • The early days of telecommunications • The public switched telephone network • The local exchange • Intraoffice calls • See Figure 1-2

  12. Chapter 1 Introduction

  13. Chapter 1 Introduction • 1.2 The Development of Modern Telecommunications Infrastructure • Circuit-switched calls • Interoffice calls • T-carrier transport • See Figure 1-3

  14. Chapter 1 Introduction

  15. Chapter 1 Introduction • 1.2 The Development of Modern Telecommunications Infrastructure • Signaling System #7 • Signal transfer points • Service switching points • Service control points • Operations support systems • See Figure 1-4

  16. Chapter 1 Introduction

  17. Chapter 1 Introduction • 1.2 The Development of Modern Telecommunications Infrastructure • The public data network • Connectionless systems • Private data networks • Virtual private data networks • Tunneling protocols • See Figure 1-5

  18. Chapter 1 Introduction

  19. Chapter 1 Introduction • 1.2 The Development of Modern Telecommunications Infrastructure • Broadband cable systems • Legacy cable systems • Two-way hybrid fiber-coaxial systems • DOCSIS standard • See Figure 1-6

  20. Chapter 1 Introduction

  21. Chapter 1 Introduction • 1.2 The Development of Modern Telecommunications Infrastructure • The Internet • Wide area networks • Local area networks • See Figure 1-7

  22. Chapter 1 Introduction

  23. Chapter 1 Introduction • 1.2 The Development of Modern Telecommunications Infrastructure • Cellular telephone systems • Different cellular generations

  24. Chapter 1 Introduction • 1.3 Overview of Existing Network Infrastructure • Evolution of different technologies • Analog versus digital • Metropolitan area networks • VoIP and wireless technologies • See Figure 1-8

  25. Chapter 1 Introduction

  26. Chapter 1 Introduction • 1.4 Review of the Seven-Layer OSI Model • The OSI model • The seven layers • Application layers and transport layers • See Figure 1-9 and Figure 1-10

  27. Chapter 1 Introduction

  28. Chapter 1 Introduction • 1.4 Review of the Seven-Layer OSI Model • Protocols • Relation of OSI model to communications between systems • See Figure 1-11

  29. Chapter 1 Introduction

  30. Chapter 1 Introduction • 1.4 Review of the Seven-Layer OSI Model • More OSI model detail • Information exchange • See Figure 1-12

  31. Chapter 1 Introduction

  32. Chapter 1 Introduction • 1.4 Review of the Seven-Layer OSI Model • Encapsulation • See Figure 1-13

  33. Chapter 1 Introduction

  34. Chapter 1 Introduction • 1.4 Review of the Seven-Layer OSI Model • Overview of the OSI model layers • Layer 7 – Application • Layer 6 – Presentation • Layer 5 – Session • Layer 4 – Transport • Layer 3 – Network • Layer 2 – Data Link • Layer 1 – Physical

  35. Chapter 1 Introduction • 1.5 Wireless Network Applications: Wireless Markets • Voice network evolution • Data network evolution

  36. Chapter 1 Introduction • 1.6 Future Wireless Networks • Present day research • Mobile IP

More Related