UT Wireless Project Update Dewitt Latimer Philippe Hanset Predrag Radulovic

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 11/24/2018

What’s In a Name? Everyone has heard of Cisco and Lucent. Who are Avaya and Agere? 11/24/2018

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. 11/24/2018

Scope of UT Wireless Project 130 buildings covering 15M net assignable sq ft. 32K potential users on campus. 11/24/2018

Critical Factors User-level authentication against main (LDAP) directory service. Dynamic, session-based key encryption. Intercell roaming. Dynamic self registration of users. 11/24/2018

Critical Factors Design for 802.11a in 18 months. Simultaneous support for 802.11b and 802.11a during interim. Power over Ethernet (802.3AF). 11/24/2018

Critical Factors Tied to existing cost recovery model. First refresh geared for 18-24 month cycle. 11/24/2018

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 11/24/2018

So…what vendor did we select?

Avaya AS-2000AE 11/24/2018

Avaya AS-2000AE Dual slot architecture for migration from 802.11b to 802.11a Supports 2.4GHz radios today, 5GHz radio when available User-swappable radios Supports power over Ethernet standard. 11/24/2018

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. 11/24/2018

Project Status

Phase I and Phase II 11/24/2018

Project Timeline 11/24/2018

Phase I RF Site Surveys 11/24/2018

RF Site Survey Documentation 11/24/2018

Phase I Circuit Installation 11/24/2018

First Working Installation Taylor Law School by May 30th Balance of Phase 1 buildings by July 15th. 11/24/2018

Build it and they will come…

Instructional Opportunities W.I.S.H. (Wireless Instructional Strategies for the Humanities) College initiatives CBA, Engineering, Architecture, Information Sciences, others. 11/24/2018

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 11/24/2018

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 11/24/2018

Partnerships Dell Avaya Wireless labs Get Un-Wired Day Software client and functionality Security & Authentication 802.11a design and testing 11/24/2018

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. 11/24/2018

Known Issues AUP on RF Spectrum Control Education on Appropriate Use Refresh of Technology Emerging Standards 11/24/2018

Thank you & Q&A Contact us: dewitt@utk.edu wireless@utk.edu Check the project at: http://wireless.utk.edu http://volnet.utk.edu/wireless 11/24/2018