chapter 1 Introduction�09-09�

chapter 1 Introduction�09-09� - Wireless...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Wireless Communications Principles and Practice ˜q- }+ (8 * ˜ ( 2009  9  8 Contents 1. Introduction 2. Modern Wireless Systems 3. Cellular Concept 4.5. Mobile Radio Propagation 6. Mobile Modulation Techniques 7. Equalization, Diversity, and channel coding 8. Speech coding 9. Multiple Access Techniques 10. Wireless Networking 11. Wireless Systems and Standards Chapter 1 Introduction Contents 1.1 Evolution of Wireless Communication 1.2 Wireless Communication Systems 1.2.1 Cellular Systems 1.2.2 Cordless Telephone 1.2.3 Wireless Access (WLL & W-LAN) 1.2.4 Satellite Systems 1.3 Concept of Mobile System 1.3.1 Basic Concept 1.3.2 Call Process 1.1 Evolution of Wireless Communication Evolution of Mobile Radio Communications 1897  }+&&&E&&&&&&&&&&&&@ 1921p- }+ 1926 Z &&@E&&&&&&&&&&&7@&& 1946 Z 1950 ˜? 1956 ˜? 1959   50 ˜ q-}+ ð* ˜µ &&&@E&&&&&&&&&&&7@&&&&  IMTS  B }+ E @ &&&Z &&&Z ) &&&c*}+&&pE&&&&E&&&&E&&&& }+&&&E&&&&&&&&&&&&@ A little bit of wireless history Maxwells Equation published in 1865 1 (Gauss's Law for electricity) (Faraday's Law of induction) 0(Gauss' law for magnetism) (Ampere's Law ) E B E t B E B J t = = - = = + A solution to the Maxwells Equation It predicted the existence of electromagnetic wave! All in the family! Experiments of Hertz Hertzs experiment to generate microwave in 1888 Validated Maxwells prediction Experiments of Hertz Experiments of Hertz (cont.) A simple schematic Feasibility of microwave communication demonstrated Transmitted telegraph signals in 1890 at his home Wireless telegraph between ships and shore in 1897 Trans-Atlantic communication in Dec 14, 1901 from Poldhu, Cornwall (UK) to St Johns, Newfoundland,...
View Full Document

Page1 / 32

chapter 1 Introduction�09-09� - Wireless...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online