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Wireless Project Update November, 2001

Explore the advantages of wireless broadband access for fixed connectivity, including cost savings, quick response, mobility, and bridging the digital divide. Learn about the wireless network model, service goals, network topology, and technical approach of the project. Get insights into the regulatory approach and success stories from Standing Rock Reservation and other Tribal College participants.

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Wireless Project Update November, 2001

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  1. Wireless Project UpdateNovember, 2001 Steve Dupuis Wireless Project Coordinator Dewayne Hendricks Wireless Project Wonk

  2. Why Fixed Broadband Wireless Access? • Advantages of wireless • No recurring wired line lease costs • No stranded capital - Demand based build-out • No right of way issues nor trenching permits • Quick response to needed connectivity • Mobility • Potential solution for ‘Digital Divide’ problem

  3. Wireless Network Model • Wireless Multiservices IP Network • Scalable, fully meshed network • Emphasis on ‘first mile’ • Use of wideband wireless devices • Spread Spectrum and Ultra-Wideband • Avoiding use of 802.11 solutions • Goal of CPE cost of about $300

  4. Service Goals of Project • VoIP for telephony • Internet data • Video (two MPEG-2 streams) • Deliver 30 Mbps symmetric to each home • Wireless Mobility

  5. Network Topology Direction • Three level hierarchy • Mesh routing at each level • Every device in network routes • Residential Gateway unit at each home • Provides support for mobility • Gateway for multimedia services

  6. Standing Rock Reservation • 1st phase testbed now operational • Use of innovative 900 MHz radios • Mesh network • Connection of schools to Net from Sitting Bull College

  7. Steps for other Tribal College Participants • Detailed site surveys for wireless infrastructure deployment • Deployment of 45 Mbps (DS3) infrastructure • Expect first phase completion by Summer ‘02

  8. Technical Approach • Work with equipment vendors for unique solutions • Nova Engineering • Western Multiplex • Motorola • Continue to collaborate with HPWREN • Publish technical results in various forums

  9. Regulatory Approach • Develop/Evolve FCC strategy • Start with simple exceptions • Power & EIRP • Frequency • New Technologies • Real Spread Spectrum • UWB • Explore use of SDRs

  10. Turtle Mountain

  11. Ft. Peck

  12. Ft. Berthold

  13. Tsunami 45 Mbps Data Radio

  14. Wireless Ring Repeater Site

  15. Motorola CANOPY TM • Wideband FM Packet Radio • U-NII band w/20 MHz channels • High user capacity • High frequency reuse • Bi-Directional TDMA • FSK modulation • Robust due to low C/I ratios • Low cost, robust components 8inches 4 inches 6 Sector Base Station

  16. CANOPY TM System Concept • Wireless Connectivity to the Internet via Wireless Point of Presence (W-POP) • 6-12 10 Mbps Radios per W-POP each serving up to 200 Subscribers • Nominal 2 Mile W-POP Radius • Data Transfer Rates: Up to 3 Mbps seen by individual users • Wireless Backhaul at 20 Mbps W-POP Wireless Backhaul (option) Central BS Internet Backbone

  17. Canopy Up Close

  18. Canopy Connection Breakout

  19. Turtle Mountain Details

  20. Turtle Mountain Detail II

  21. Turtle Mountain Detail III

  22. Wireless Bandwidth Trends • 802.11 standards are forcing prices down for bandwidth • Now in steep slope of ‘S’ curve • Cost for 45 Mbps will go from $12K/link today to $2K in one year; will approach $500/link in two. • Cost/bit/distance will strongly favor wireless over wired alternatives in rural areas

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