An Investigation of the Impact of Signal Strength on Wi-Fi Link ...

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DWL-G132 Wireless 108G D-Link, <strong>the</strong> industry pioneer in wireless networking, introduces <strong>the</strong> DWL-G132 Wireless USB Adapter, part <strong>of</strong> <strong>the</strong> AirPlus Xtreme G ® family <strong>of</strong> 802.11g wireless networking devices. Powered by D-Link 108G Technology, this 802.11g compatible device is capable <strong>of</strong> delivering maximum wireless signal rates <strong>of</strong> up to 108Mbps 1 when connected to o<strong>the</strong>r D-Link AirPlus Xtreme G products. The DWL-G132 is a convenient wireless connectivity solution for desktop or notebook PCs. Instead <strong>of</strong> stringing E<strong>the</strong>rnet cables to your PC or dismantling your desktop computer case, <strong>the</strong> DWL-G132 enables 802.11g wireless connectivity by simply utilizing your desktop or notebook PC’s USB port. Featuring <strong>the</strong> latest in wireless technology, <strong>the</strong> DWL-G132 delivers unparalleled performance and industry-wide compatibility. With a maximum wireless signal rate <strong>of</strong> up to 108Mbps 1 , quickly transfer large files or view streaming video with <strong>the</strong> DWL-G132. 802.11g Wireless Connectivity Via USB Adds 802.11g Wireless Connectivity to a Desktop or Notebook PC USB Connectivity for Convenient Setup Enhanced Wireless Performance Powered by D-Link 108G Technology Connects to 802.11b/g Wireless Networks Protects Your Network with WPA and 802.1x Security The DWL-G132 includes an intuitive configuration utility that allows you to discover and connect to o<strong>the</strong>r wireless networks in nearby areas. In addition, <strong>the</strong> utility can also create detailed connectivity pr<strong>of</strong>iles <strong>of</strong> networks you frequently access. You can also enable support for WPA and 802.1x for enhanced data encryption and user au<strong>the</strong>ntication. Like all o<strong>the</strong>r D-Link wireless adapters, <strong>the</strong> DWL-G132 can be used in peer-to-peer mode (ad-hoc) to connect directly to o<strong>the</strong>r 802.11b/g wirelessly enabled computers or in client mode (infrastructure) to communicate with o<strong>the</strong>r users through an access point or router. Compact in size, robust in speed <strong>the</strong> DWL-G132 Wireless USB Adapter is great for travel and a convenient solution for providing high performance wireless connectivity to your desktop or notebook PC. Enjoy <strong>the</strong> many benefits <strong>of</strong> wireless connectivity today!
Wireless 108G Standards • 802.11b • 802.11g • USB 2.0 • USB 1.1 Device Management • D-Link Wireless Utility Data Rate 1 •802.11b - 11, 5.5, 2 and 1Mbps •802.11g - 108, 54, 48, 36, 24, 18, 12, 9 and 6Mbps Security • WEP 64/128bit • WPA-Personal • WPA-Enterprise (includes 802.1x) Wireless Frequency Range • 2.4GHz – 2.5GHz (2400MHz – 2497MHz) Wireless Operating Range 2 • Indoors: Up to 328 feet (100 meters) • Outdoors: Up to 1,312 feet (400 meters) Modulation Technology • 11g – OFDM, 64QAM, 16QAM, QPSK BPSK • 11b – CCK, DSSS, DBPSK, DQPSK Receiver Sensitivity • 802.11b : -82dBm for 11Mbps @ 8% PER • 802.11b : -87dBm for 2Mbps @ 8% PER • 802.11g: -88dBm at 6Mbps @ 10% PER • 802.11g: -86dBm at 9Mbps @ 10% PER • 802.11g: -84dBm at 12Mbps @ 10% PER • 802.11g: -82dBm at 18Mbps @ 10% PER • 802.11g: -78dBm at 24Mbps @ 10% PER • 802.11g: -74dBm at 36Mbps @ 10% PER • 802.11g: -69dBm at 48Mbps @ 10% PER • 802.11g: -66dBm at 54Mbps @ 10% PER Wireless Transmit Power • 11b – 16dBm @ 11, 5.5, 2 and 1Mbps • 11g – +15dBm @ 54 and48Mbps • 11g – +16dBm @ 36Mbps • 11g – +17dBm @ 24, 18, 12, 9 and 6Mbps External <strong>An</strong>tenna Type • Integrated <strong>An</strong>tenna LEDs • Activity • Link Power Consumption • 472 mA in continuous transmit mode • 290 mA in continuous receive mode Temperature • Operating in 0C to +40C • Non-Operating -20C to +75C Humidity • Operating in 20% - 80% non-condensing • Non-operating in 5% to 95% non-condensing Certifications • FCC • UL Dimensions • L – 81mm • W – 25mm • H – 1.3mm Weight • .006lbs Warranty • 1 Year 1 Maximum wireless signal rate derived from IEEE Standard 802.11g specifications. Actual data throughput will vary. Network conditions and environmental factors, including volume <strong>of</strong> network traffic, building materials and construction, and network overhead lower actual data throughput rate. 2 Environmental conditions may adversely affect wireless signal range. D-Link Systems, Inc. 17595 Mt. Herrmann Street Fountain Valley CA 92708 www.dlink.com ©2004 D-Link Corporation/D-Link Systems, Inc. All rights reserved. D-Link, <strong>the</strong> D-Link logo and AirPlus Xtreme G are registered trademarks <strong>of</strong> D-Link Corporation or its subsidiaries in <strong>the</strong> United States and o<strong>the</strong>r countries. O<strong>the</strong>r trademarks are <strong>the</strong> property <strong>of</strong> <strong>the</strong>ir respective owners. All references to speed are for comparison purposes only. Product specifications, size and shape are subject to change without notice, and actual product appearance may differ from that depicted herein. Visit www.dlink.com for more details. DWL-G132 D-Link AirPlus Xtreme G products are capable <strong>of</strong> delivering wireless signal rates <strong>of</strong> up to 15x faster than 802.11b.
Page 1 and 2:
An Investi
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2.3.5 Signal <stro
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Attestation of Aut
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Abstract Wireless local area networ
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List of Abbreviati
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List of Figures Fi
Page 13 and 14:
List of Tables Tab
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Chapter 1 Introduction There has be
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WLAN performance evaluation and ana
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Chapter 2 Background and Related Wo
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The IEEE 802.11 networks have two o
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The coverage of a
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2.2.1 Physical Layer Figure 2.8 sho
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throughput significantly at higher
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DCF is designed to provide “best-
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Figure 2.11: Backof</strong
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modulation in [37]. According to si
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Figure 2.12: Net throughput <strong
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As highlighted in [46, 47], distanc
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2.3.2 Base Station Placement <stron
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gained an insight that this would m
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proposed to improve WLAN performanc
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specifications of
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dynamic and complicated. As argued
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In addition, we surveyed and review
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4.1 Performance Metrics A stopwatch
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Model: DWL-G132 Specification: Sta
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Figure 4.1: WY building layout. - 4
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Figure 4.2 shows wireless configura
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4.4.2 Wireless Adapter Configuratio
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4.4.3 AP Operation Mode Two APs (D-
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meeting room with different distanc
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Scenario 4 In figure 4.12, two APs
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“(H-3.5m)F-H” is the</s
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Figure 4.16: Phase 2 measurement: A
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performed the prop
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The receiver sensitivity is an impo
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In table 5.1, the
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Ethernet connectio
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sufficient signal coverage and thro
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throughput decreases along with low
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In table 5.1, when RSS is larger th
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(for example, measurement point “
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AP at Position “R” Figure 5.13
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The measurement results indicated t
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5.2.2 Throughput An</strong
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impact on RSS and throughput. Resul
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The throughput of
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The RSS of “WDS
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The average throughput of</
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The average data size of</s
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5.6.1 SOHO Environment Due to <stro
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The following notes are needed to b
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when APs were placed at positions
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Real and accurate results for AP pl
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Chapter 7 Summary and Conclusions W
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planning. Propagation measurement (
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deployment. Many WLANs are deployed
Page 117 and 118: placement in indoor wireless system
Page 119 and 120: Communications, vol. 2, no. 5, pp.
Page 121 and 122: [56] J. K. L. Wong, M. J. Neve, and
Page 123 and 124: eceived signal strength of<
Page 125 and 126: Appendix A Preliminary Experimental
Page 127 and 128: 2. AP Mode Measurement in t
Page 129 and 130: 7. The Ad-Hoc Mode Measurement on <
Page 131 and 132: Appendix B Phase 1 Experimental Res
Page 133 and 134: (P-1.5m)O-P 32.78 -86 193.6 0.453 N
Page 135 and 136: 3. Access Point at Position “E-3M
Page 137 and 138: (C-5m)C-D 21.63 -83 46.8 1.875 NLOS
Page 139 and 140: J 9.00 -44 8.2 10.703 LOS (J-1.5m)J
Page 141 and 142: 7. Access Point at Position “H”
Page 143 and 144: Figure B.2: Throughput map for AP a
Page 145 and 146: 60 40 20 0 -20 -40 -60 -80 -100 Acc
Page 147 and 148: (N-3m)N-O 15.00 -72 15.6 5.626 NLOS
Page 149 and 150: (C-3m)C-D 14.32 -74 13.6 6.453 NLOS
Page 151 and 152: Figure B.8: Throughput map for AP a
Page 153 and 154: 60 40 20 0 -20 -40 -60 -80 -100 Acc
Page 155 and 156: AP at A RX Position Left-Hand Area
Page 157 and 158: AP at L RX Position Left-Hand Area
Page 159 and 160: Appendix D Phase 3 Experimental Res
Page 161 and 162: TX at 2M from E-3M Data File: 153.6
Page 163 and 164: IEEE 802.11 b/g Access Point DWL-21
Page 165 and 166: Standards • IEEE 802.11g • IEEE
Page 167: 1 Maximum wireless signal rate deri
Page 171 and 172: Wireless 108G Add 802.11g Wireless
Page 173: 2.4GHz Omni-Directional 7dBi Indoor
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An Investigation of the Impact of Signal Strength on Wi-Fi Link ...

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