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20080211-cen6930-experiments-v2

20080211-cen6930-experiments-v2 - CEN6930 Wireless...

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1 CEN6930: Wireless Experiments Background Wireless Measurements: Shao-Cheng Wang ( [email protected] ) Instructor: Dr. Helmy
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2 Part I: Wireless Measurements Agenda Introduction Wireless measurement fundamentals Tools/Procedures Reference
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3 How does a coverage map look like? http://www.ittc.ku.edu/wlan/images.shtml
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4 coverage maps (cont’d)
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5 Wireless fundamentals: SNR v.s. Distance
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6 Wireless fundamentals: SNR v.s. Performance SNR v.s. Delivery ratio (emulator) SNR v.s. Delivery ratio (real measurement) SNR v.s. TCP Tput (real measurement)
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7 Tools (cont’d) HP iPAQ: WiFiFoFum
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8 Tools Site-surveyer: Netstumbler (www.netstumbler.com) Signal (in –dbm), SNR AP MAC, SSID
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9
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Indoor measurements Outdoor measurements Wireless coverage experiments
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Indoor measurements
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Outdoor measurements
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Logistics Exp: starts this week ( ? ) Form groups: 4~5 ppl Equipment checkout: CSE401 Bring your ID 11am~6pm, no overnight checkout Preparations – Materials
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