Introduction

Introduction - Introduction to Antennas for Wireless...

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1 Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Introduction to Antennas for Wireless Communications Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Introduction to Antennas For Wireless Communications 1. Course Objectives 2. Importance of Wireless I. Introducti Communicat on ions Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. 1. "Wired "Versus" Wireless Communications System 2. Basic Components of Wireless Communi II. Overview of Wireless Co cations System mmunication System III. Spectrum Sharing (Access) Schemes IV. Impediments of High-Performance Wireless Communication System V. Smart Antennas Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Course Objectives: EEE 443/591 • Introduce the fundamental principles of antenna theory. • Apply these principals to particular antennas that are useful in wireless communications systems. Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Importance of Wireless Communications • We live in the “ age of information .” • Wireless communications systems enhance personal convenience and safety. • Developing countries are able to install first class telecommunications systems at relatively low cost. • Annual worldwide revenue may exceeds US $100 Billion. Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Examples of Wireless Communications Systems • Garage door opener • Pager • Cordless Telephone • Cellular Phone • Wireless LAN
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2 Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Wireless Communications Systems •“ Wireless Radio • Antennas are a fundamental part of radio communications. • Radio communications utilize that part of the electromagnetic spectrum roughly from 3 kHz to 300 GHz. Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Radio Communications • Wireless communications • Broadcast radio - AM, FM, SW • Television • Two way radios - police, fire, business, CB, ham, family • Intercoms Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Overview of Wireless Communication Systems Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved. Basic Communications System Information Source Encoder and Modulator Propagation Channel Demodulator and Decoder Information Transmitter Receiver The “connection” between the transmitter and the receiver. Introduction Copyright © 2007 by James T. Aberle and Constantine A. Balanis All rights reserved.
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This note was uploaded on 11/01/2009 for the course EEE 443 taught by Professor Balanis during the Spring '08 term at ASU.

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Introduction - Introduction to Antennas for Wireless...

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