mcgraw hill wireless data demystified phần 5 docx

... extrapolate these forward. Key for the fixed wireless data arena is the requirement for ubiquitous and high-speed wireless data access to the home. The wireless data industry is still some way from realizing ... ϭ (1 Ϫ 11Ϫ 1 1). Wireless Data Access Design 9 CHAPTER 9 Copyright 2003 by The McGraw- Hill Companies, Inc. Click Here for Terms of Use. 214 Part 2: Planning and...

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... Communications Magazine, 4 45 Hoes Lane, Piscataway, NJ 08 855 , 2002. 3. John R. Vacca, The Cabling Handbook, 2d ed., Prentice Hall, 2001. 4. John R. Vacca, Wireless Broadband Networks Handbook, McGraw- Hill, 2001. 5. ... maximize business value and return. 0 50 ,000 100,000 150 ,000 200,000 250 ,000 300,000 350 ,000 400,000 450 ,000 abcd 2000 abcd 2001 abcd 2002 abcd 2003 abcd 2...

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... columns or tables and wireless data distribution to a database with schema differences. Rule-Based Wireless Data Sharing Allocating wireless data among users streamlines data flows and mini- mizes ... areas. Implementing Wireless Data and Mobile Applications 15 CHAPTER 15 Copyright 2003 by The McGraw- Hill Companies, Inc. Click Here for Terms of Use. Chapter 15: Impl...

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... communications in, 239 Data delivery services in IEEE 802.11, 55 Data IP convergence, 15 18 Data- only systems, 12 Data paths in IS- 856 networks, 57 Data plane level gateway functions, 179 Data- protection ... network. W3C World Wide Web Consortium. 55 8 Index Data access design (Cont.): random access, 251 end-to-end throughput in, 253 – 254 MAC protocols for, 254 – 256 nod...

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... 141 References 151 Part 2 PLANNING AND DESIGNING WIRELESS HIGH-SPEED DATA APPLICATIONS Chapter 6 Planning and Designing Wireless Data and Satellite Applications 155 Access Points 156 Client Devices 156 Planning ... greater productivity. Their wireless PC cards communicate directly with each other and without a wireless data access point. Wireless Data Demystified John...

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... equipment among a number of wireless data stations. Over time, the wireless data stations served by Chapter 3: Services and Applications over Wireless Data Networks wireless data services. Instead, ... 2-1 A multiservice wireless home network with broadband access. 50 Part 1: Overview of Wireless High-Speed Data Technology wireless data networks are rapidly prolife...

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... state of high-speed wireless data standards. The following are standards for next-generation high-speed wireless data connectivity: Wireless data LANs Fixed broadband wireless data Universal Mobile ... railway environment. 112 Part 1: Overview of Wireless High-Speed Data Technology 802.11g High-Speed Wireless Data Standard Recently, the IEEE 802.11 Task Group G approve...

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... Users Time, ms Small, 54 0 Noncontin- 1 4 15 35 20 uous Large, 54 0 Noncontin- 1 4 15 35 120 and Ͻ8192 uous TABLE 12-8 RTT from Server Chapter 12: U.S Specific Wireless Data Design The predictive ... terminals. Chapter 10: Designing Millimeter-Wave Devices video and RF wireless data channels with speeds at 1 .5- , 25- , 45- , and 155 (OC-3)–Mbps rates in 4-, 16-, 32-, or 64-quadrat...

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... 3 Octet 4 Octet 5 Octet 6 Octet 7 D1 0 All data D2 D3 D4 D5 D6 D7 D8 0 aaa C11 7 data, 1 control D1 D2 D3 D4 D5 D6 D7 1 aaa C1 1 6 data, 2 control 0 bbb C2 D1 D2 D3 D4 D5 D6 1 aaa C1 1 5 data, 3 control 1 ... the Wireless- MAN™ Air Interface for Broadband Wireless Access,” IEEE Commu- nications Magazine, 4 45 Hoes Lane, Piscataway, NJ 08 855 , 2002. 3. John R. Vacca, i-mode C...

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... Bluetooth 1.1 Frequency band, 2.4 2.4 5 2.4 GHz Data rate, Mbps Up to 55 Up to 22 Up to 54 1 Current drain, mA Ͻ80 Ͻ 350 Ͼ 350 Ͻ30 Number of video 4 2 (see QoS) 5 (see QoS) None channels Range, m ... delay spread = 0 .5 ␮s) 0 5 10 15 20 25 30 S/N ⌼ 0 (dB) Spectral efficiency (bps/Hz) 0 1 2 3 4 5 6 7 Modes SM 6 SM 5 SM 4 SM 3 SM 2 SM 1 TD 6 TD 5 TD 4 TD 3 TD 2 TD 1 Figure 1...

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