The Broadband Delivery System Ermanno Pietrosemoli School on Radio Use for digital and Multimedia Communications ICTP, February 2002
economy conomy Driving Forces Computing, storage, transmission costs...go to zero Networks......go to one! Connected devices Locations Transactions Applications Complexity Bandwidth Demands...go to infinity 0 time
Acceleration of Change Time it took for these technologies to reach the 10 million customer mark after being introduced to the mass market Pager 41 Years Telephone 38 Years Cable TV 25 Years Fax Machine 22 Years VCR 9 Years Cellular Phone 9 Years Personal Computer 7 Years CD-ROM Drive 6 Years Wireless Data Services 6 Years Internet (WWW) <2 Years Source: USA Today, Info Tech and Pac Tel Cellular
Global Deregulation & Privatization Telecom privatizations lead to increased investment in modern equipment Deregulation and Liberalization of telephone companies occurring worldwide State owned telcos privatizing Competition being encouraged Frequency Allocation Worldwide at 2.5 GHz and 3.5 GHz 3.5 Emerging as International Standard Meanwhile.Demand for increased connectivity growing..time to Market Critical
Huge potential for new service providers and managers of networks classically reliant on terrestrial infrastructure IP WAN & Internet connections in high demand IP Platform now supports multiple data, video and voice applications: Internet access WAN access Video conferencing, Video streaming IP telephony Value Added Services
Broadband Local Access Demand (Lines in Millions) 140 120 100 Broadband 80 60 Narrowband 40 20 0 '98 '99 '00 '01 '02 Source: IDC, FDC, and Lehman Brothers Estimates
Concentrator & S 2 R Technology Patent Pending 18 17 16 19 20 21 22 1 2 3 4 5 7 6 F1 F3 A Pair F2 F4 B Pair Concentrator S 2 R Technology allows spectral reuse of channel pairs Spectral reuse with S 2 R Technology results in a ratio up to 11:1 for spectral efficiency. 15 8 14 13 12 11 10 9
Throughput Based on Channel Size Channel Bandwidth Downstream Throughput Upstream Throughput Aggregate Throughput 3.5 MHz 12 Mbps 5.4 Mbps 382.8 Mbps 5 MHz 17 Mbps 7.6 Mbps 541.2 Mbps 6 MHz 20 Mbps 8.75 Mbps 632.5 Mbps 7 MHz 24 Mbps 10.24 Mbps 753.3 Mbps
Service Provider Architecture S 2 R Base Station Concentrator Transceiver Bank Rooftop/Tower RF Modem Banks Ethernet Packet Switch or ATM Switch 2 Way High- Speed Data High End Super Server Telephony Infrastructure Telephony Video Conferencing Internet Central Office Internet WAN
Modems and Switch IF Cabling via RG6/11 to Transceiver Bank High speed modem sector -1 High speed modem sector -2 High speed modem sector -3 High Speed Modems 100 T Connection to NOC High speed modem sector -n Data within the WLL (Wireless Local Loop) to Service Full wire speed Switch
Computing Environment Data Within WLL 2 Way High Speed Data Server Full wire speed Switch Telephony Server Internet Server Connect outside of the WLL Central Office Video Server
Subscriber Side Architecture RF Directional Antenna Single RF Cable Transceiver (Up/Down Converter) One Cable with IF Signal Modem 10T Full Duplex Switch or Hub
BDS aesthetically pleasing flat panel antenna low profile, higher gain mesh parabolic antenna wireless concentrator base station subscriber radio transceiver
SuperCell Max coverage per unit cost 22 km Radius Up to 541 Mbps Aggregate Throughput 17 Mbps Down Stream/ Sector 7.6 Mbps Up Stream/ Sector Benefits Maximize Channel Capacity Inexpensive Simple Quick (With 5MHz Channels)
FocalCell Optimal bandwidth & coverage 5 mi Radius 22 km Radius 17 Mbps Down Stream/ Sector 7.6 Mbps Up Stream/ Sector Benefits Time to market Invest for return Simple Excellent coverage Migration path Teledensity sensitive (With 5MHz Channels) 2.1 Gbps Aggregate Throughput
MultiCell 100% Reuse in a MultiCell Environment Benefits Efficiency through Secrotal/Multicell Endless Possibilities 100% reuse in adjacent cells 3 to 4 times re-use in cell Excellent Coverage Highest Possible Bandwidth 478Mbps Cell Capacity (4MHz Channels) 3,346 Mbps in 7 Cell 83.65Bit/Hz Spectral Efficiency
Product Solutions Reuse / Efficiency / Throughput HIGH MEDIUM LOW RuralPoP 6B Supercell 6C Supercell 24C Multicell 6B Multicell 6C Multicell 24C LOW MEDIUM HIGH Customer Density
Spike Currently Shipping MMDS Product Currently Shipping FWA Product Aggregate Throughput Per Cell Occupied Bandwidth Per Cell Bits per Hertz per Cell Spike Technologies Yes Yes 418 Mbps 14 MHz 29.8 Adaptive Broadband No No 60 Mbps 21 MHz 2.9 ADC Telecom Yes No NA NA NA Breezecom No Yes 18 Mbps 24 MHz 0.75 Floware No Yes 24 Mbps 14 MHz 2.5 Netro No No NA NA NA
Multi-Service Architecture Data, Voice & Video Data Services, PSTN, Internet Customer Network(s) Switch Switch or Hub IP Modem Bank CO Side Subscriber Side IP Modem IF IF Transceiver Bank Transceiver RF RF
Multi-Service Architecture Dedicated Internet Access Internet Switch IP Modem Bank CO Side Existing Premises Equipment Subscriber Side Switch or Hub Proxy/Firewall Router IP Modem HTTP FTP SNMP IF IF Transceiver Bank Transceiver RF RF
Multi-Service Architecture LAN-to-LAN Connections Remote Customer Office, Internet Remote Printing Existing Premises Equipment Switch or Hub VPN Gateway Proxy/Firewall File & Database Servers Switch Router IP Modem Bank CO Side Subscriber Side IP Modem IF IF Transceiver Bank Transceiver RF RF
Multi-Service Architecture Voice-over-IP Connections PSTN, Remote Office Switch Existing Premises Equipment PBX VoIP Gateway Switch or Hub Router IP Telephone IP Modem Bank CO Side Subscriber Side IP Modem IF IF Transceiver Bank Transceiver RF RF
Product Timeline Head-End SuperCell 6-24C 22C Tower Mount MultiCell 6-24C 6B 16QAM Return Tower Mount OFDM Integration FocalCell 6-24 Sectors Tower Mount RuralPoP 6B 4B 2Q 00 3Q 00 4Q 00 1Q 01 2Q 01 Future Direction
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