1 / 20

Wi-Fi, WiMAX, Why Care?

Wi-Fi, WiMAX, Why Care?. Sandy Teger and David J. Waks System Dynamics Inc. sandy@system-dynamics.com . Wi-Fi. LAN. PAN. MAN. WAN. Wireless Technologies for Different Ranges. WiMAX. 3G. UWB/ZigBee/Bluetooth. Telephony: Shift from fixed to personal.

fala
Télécharger la présentation

Wi-Fi, WiMAX, Why Care?

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Wi-Fi, WiMAX, Why Care? Sandy Teger and David J. WaksSystem Dynamics Inc.sandy@system-dynamics.com

  2. Wi-Fi LAN PAN MAN WAN Wireless Technologies for Different Ranges WiMAX 3G UWB/ZigBee/Bluetooth

  3. Telephony: Shift from fixed to personal Source: Personal Broadband Industry Association

  4. Telephony Spending Shift to Wireless • Balance of spending for telephony has now moved to wireless • Wireless telephony is largest share of consumer wallet - and only one growing • Is broadband next? Source: TNS Telecoms, 2nd Qtr 2004

  5. Personal Broadband Next Source: Personal Broadband Industry Association

  6. Solutions For Personal Broadband Deploying Now • Wi-Fi Hotspot Bundles • SBC: DSL adder for $1.99 • Dual Wi-Fi/cellular handsets from SBC/Cingular for hand-off to hotspots and “roam to home” • “Pre-WiMAX” Risk From 2.5 GHz band holders • Clearwire and Nextel already launched • 3G: Verizon, Sprint • Municipal wireless using Wi-Fi • Chaska, MN; Cerritos, CA; Philadelphia, PA; …

  7. WiMAX – 802.16 • Broadband Wireless Access – Metropolitan Area Networks • Fixed (and nomadic) access: 802.16-2004 (8/2004) • Mobile access: 802.16e (expected 5/2005) • Maximum cell size ~30 miles, 1.5 to 5 more typical • Maximum speed 100 Mbps (64QAM/20 MHz)

  8. WiMAX: Great Expectations • Addresses deficiencies of previous BBW • Interoperability • Cost of base stations and CPE • Shared bandwidth up to 100 Mbps • Line of sight not required • Coverage 3-5 miles, more like cellular • Licensed and unlicensed spectrum • Many DOCSIS-like features including QoS • Milestone to “broadband everywhere”

  9. WiMAX Bandwagon Effect • WiMAX Forum: ~160 members and growing • Complete value chain • Many chip companies, including Intel, Fujitsu • Many major equipment companies, including Motorola, Alcatel, Siemens • Many service providers, including BT, France Telecom and Qwest • Analogous to Wi-Fi Alliance for 802.11 • Product certification through formal conformance and interoperability testing against “profiles” • Promotion, promotion, promotion

  10. WiMAX Status • “Pre-certification” products shipping now • Based on earlier 802.16a standard • Expensive base stations and CPE – enterprise focus • Certified products in 2005 • Based on 802.16-2004 • Licensed 2.5 GHz (U.S.) and 3.5 GHz (ROW) • License-free 5.8 GHz • “Plugfest” interoperability testing started 2004 • Formal certification testing ~1H05 • “Mobile WiMAX” expected late 2006 • CPE bundled in laptops by 2007

  11. Other Mobile Broadband Wireless Technologies Deploying Now • FCC just restructured 2.5 GHz band from video to broadband service • Band holders not waiting for WiMAX • Nextel running large-scale market trial in Raleigh-Durham • Clearwire launched in Jacksonville, FL and St. Cloud, MN • Sprint also owns spectrum, deferring decision

  12. Nextel in Raleigh-Durham • Flarion “Flash-OFDM” technology • Mobile within RDU area • Downlink 1.5 Mbps (burst to 3Mbps) • Service starts at $34.99 (750/200) • Combo Wi-Fi/Flarion device: Netgear & D-Link • Developing technical & market knowledge

  13. Clearwire in Jacksonville, FL • NextNet “pre-WiMAX” technology • “Up to 1.5 Mbps” • Starts at $24.99 (512/128) • Easy self-install • Licenses in >80 markets

  14. Metro Wi-Fi • High-volume, low cost, low margin • Based on off-the-shelf consumer Wi-Fi adapters • Not “carrier class” service • Disruptive to MSOs?

  15. Issue Spectrum usage Security QoS Interference Roaming performance Throughput Mesh techniques Range Connection persistence Progress 802.11a 802.11i/WPA, WPA2 802.11e/WMM 802.11h, 802.11k 802.11r 802.11n 802.11s Wi-Fi Gaps Being Filled Specifics

  16. City-wide “Hot Zones” • Already deployed in some smaller cities • Big cities preparing to deploy soon • Public safety a major driver, “digital divide” another • Near-term threat and opportunity for MSOs

  17. Mesh Networking Tropos Networks MeshNetworks PacketHop Nortel Motorola … Smart Antennas Vivato 5G Wireless … Rapid Pace of Innovation and Market Entry

  18. City-Wide Wi-Fi in Chaska, MN • City operated, 16 square mile coverage area • Public safety, low-cost residential broadband service • 7500 homes passed, 1100 pre-registered • 200 cells, <$500,000 CapEx

  19. Is Metro Wi-Fi Disruptive? • “Disruptive Technologies”* • Simple, cheap • Target lower performance markets • Commercialized in emerging market • Fast technological progress • Subsequently become performance competitive against established products * The Innovator’s Dilemma,Clayton M. Christensen

  20. Is Your City Next? Philadelphia Grand Haven Spokane Jacksonville

More Related