commtech[1] - IS 3413 Introduction to Telecommunications...

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IS 3413 – Introduction to Telecommunications for Business Instructor: Yoris A. Au, Ph.D. Packet Switching and Network Technologies Part 2 1
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2 Chapter 16 Wireless Networking Technologies
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3 Topics Covered 16.1 Introduction 16.2 A Taxonomy of Wireless Networks 16.3 Personal Area Networks (PANs) 16.4 ISM Wireless Bands Used by LANs and PANs 16.5 Wireless LAN Technologies and Wi-Fi 16.6 Spread Spectrum Techniques 16.7 Other Wireless LAN Standards 16.8 Wireless LAN Architecture 16.9 Overlap, Association, and 802.11 Frame Format 16.10 Coordination Among Access Points 16.11 Contention and Contention-Free Access 16.12 Wireless MAN Technology and WiMax
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4 Topics Covered 16.13 PAN Technologies and Standards 16.14 Other Short-Distance Communication Technologies 16.15 Wireless WAN Technologies 16.16 Cell Clusters and Frequency Reuse 16.17 Generations of Cellular Technologies 16.18 VSAT Satellite Technology 16.19 GPS Satellites 16.20 Software Radio and the Future of Wireless
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5 16.1 Introduction This chapter describes wireless technologies explains that a myriad of wireless technologies have been proposed
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6 16.2 A Taxonomy of Wireless Networks Wireless communication applies across a wide range of network types and sizes Part of the motivation for variety government regulations that make specific ranges of the electromagnetic spectrum available for communication A license is required to operate transmission equipment in some parts of the spectrum and other parts of the spectrum are unlicensed Many wireless technologies have been created and new variants appear continually Wireless technologies can be classified broadly according to network type The taxonomy in Figure 16.1 illustrates the fact
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16.2 A Taxonomy of Wireless Networks 7
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8 16.3 Personal Area Networks (PANs) A PAN technology provides communication over a short distance It is intended for use with devices that are owned and operated by a single user. For example between a wireless headset and a cell phone between a computer and a nearby wireless mouse or keyboard PAN technologies can be grouped into three categories Figure 16.2 lists the categories, and gives a brief description of each Later sections explain PAN communication in more detail and list PAN standards
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16.3 Personal Area Networks (PANs) 9
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10 16.4 ISM Wireless Bands Used by LANs and PANs A region of electromagnetic spectrum is reserved for use by Industrial , Scientific , and Medical (ISM) groups Known as ISM wireless The frequencies are not licensed to specific carriers are broadly available for products, and are used for LANs and PANs Figure 16.3 (below) illustrates the ISM frequency ranges
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11 16.5 Wireless LAN Technologies and Wi-Fi A variety of wireless LAN technologies exist that use various frequencies modulation techniques and data rates IEEE provides most of the standards which are categorized as IEEE 802.11 A group of vendors who build wireless equipment formed the
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This note was uploaded on 01/26/2012 for the course IS 3413 taught by Professor Staff during the Fall '08 term at The University of Texas at San Antonio- San Antonio.

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commtech[1] - IS 3413 Introduction to Telecommunications...

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