Broadband Access: Technologies for the Last Mile

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Broadband Access: Technologies for the Last Mile Technology/Fixed Broadband Workshop Broadband.gov August 13, 2009 Paul S. Henry AT&T Laboratories – Research Middletown, NJ psh@research.att.com

Broadband Initiatives --Fixed Broadband Access Who? Residents of the US who have only limited (i.e. dial-up) or no Internet access (unavailable vs unsubscribed) What (is Broadband Internet Access)? FCC: >200 kbps NTIA: >768 kbps downstream/200 kbps upstream YouTube recommendation: >500 kbps Multimedia: >10 Mbps downstream Unicast/broadcast Where? Rural: Low density (<100 pop/sq km) Minimize fixed infrastructure cost Urban: High density (>1000 pop/sq km; >10,000 in cities) Maximize Mbps/sq km How? Many possible technologies

Broadband Access Technologies FBWA or 4G BPL DSL 4G Fiber PON HFC Digital Subscriber Line Telco or ILEC 10s of Mbps Entertainment, data, voice Fiber -- Passive Optical Network Telco or ILEC ~75 Mb/s Futureproof? Fixed Broadband Wireless Access Wireless ISP WiMAX or LTE: -10s of Mbps Satellite: few Mbps 4G/LTE Cellular operators 5-10 Mbps (100 kph) Hybrid Fiber Coax CableCo (MSO) Entertainment, data, voice 10s of Mbps Broadband Power Line PowerCo Data, voice ~few Mbps  No silver bullet