1. UT Wireless Project Update
Dewitt Latimer
Philippe Hanset
Predrag Radulovic

2. Quick Definitions WLAN – Wireless LAN
802.11b WLAN using 2.4 GHz ISM Band
11 Mbits/sec maximum throughput
802.11a WLAN using 5 GHz U-NII Band
54 Mbits/sec maximum throughput
RF Site Survey
SNR – Signal to Noise Ratio
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3. What’s In a Name? Everyone has heard of Cisco and Lucent.
Who are Avaya and Agere?
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4. Scope of UT Wireless Project
8 Pilots in early fall 2000.
Instructed in October 2000 to take campus wireless by fall 2001.
$4.35M project budget approved January 2001.
Majority of staff already tied up in VolNet Upgrade.
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5. Scope of UT Wireless Project
130 buildings covering 15M net assignable sq ft.
32K potential users on campus.
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6. Critical Factors
User-level authentication against main (LDAP) directory service.
Dynamic, session-based key encryption.
Intercell roaming.
Dynamic self registration of users.
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7. Critical Factors Design for 802.11a in 18 months.
Simultaneous support for b and a during interim.
Power over Ethernet (802.3AF).
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8. Critical Factors Tied to existing cost recovery model.
First refresh geared for month cycle.
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9. Performance vs. SNR 802.11b Required SNR 802.11a Required SNR
1 Mbps: 4 dB
2 Mbps: 7 dB
5.5 Mbps: 11 dB
11 Mbps: 16 dB
802.11a
Required SNR
6 Mbps: 11 dB
12 Mbps: 14 dB
24 Mbps: 19 dB
54 Mbps: 28 dB
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10. So…what vendor did we select?

11. Avaya AS-2000AE
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12. Avaya AS-2000AE
Dual slot architecture for migration from b to a
Supports 2.4GHz radios today, 5GHz radio when available
User-swappable radios
Supports power over Ethernet standard.
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13. Avaya AS-2000AE Ship date Nov 2000, List price $1700
Release 2 of software 3/2001
List price $1700
UT price of $925
Works with Lucent/Orinoco cards only!
Good news…All vendors use this chipset in their laptops.
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14. Project Status

15. Phase I and Phase II
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16. Project Timeline
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17. Phase I RF Site Surveys
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18. RF Site Survey Documentation
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19. Phase I Circuit Installation
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20. First Working Installation
Taylor Law School by May 30th
Balance of Phase 1 buildings by July 15th.
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21. Build it and they will come…

22. Instructional Opportunities
W.I.S.H. (Wireless Instructional Strategies for the Humanities)
College initiatives
CBA, Engineering, Architecture, Information Sciences, others.
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23. Research Opportunities
Center for Excellence in IT
NSF grants on Wireless Technologies
I2 grants
ITSEC (Iberoamerican Science and Technology Education Consortium)
UT-Battelle and SNS
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24. National Recognition Chair of Educause Wireless Workgroup
White paper on RF Interference
Discussions of Joint I2/Educause WG
Presentations:
VPI
TN IT Symposium/Fall Creek Falls
I2/Lincoln Nebraska
I2/Ga Tech
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25. Partnerships Dell Avaya Wireless labs Get Un-Wired Day
Software client and functionality
Security & Authentication
802.11a design and testing
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26. Applied Applications Last mile applications
Point-to-Point connection to Knoxville College (I2 connector)
Point-to-Point on campus for hard to reach/costly buildings.
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27. Known Issues AUP on RF Spectrum Control Education on Appropriate Use
Refresh of Technology
Emerging Standards
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28. Thank you & Q&A Contact us: dewitt@utk.edu wireless@utk.edu
Check the project at:
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