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  1. 1. FCC Broadband Workshop on Future Fiber Architectures and Local Deployment Choices David Reed EVP & Chief Strategy Officer Cable Television Laboratories, Inc. November 19, 2009
  2. 2. Broadband Service Evolution over Cable DOCSIS 1.0 and 1.1 (1997 – 1999) DOCSIS 2.0 (2001 – 2007) DOCSIS 3.0 (2008 – current) IPTV Convergence apps Video Mobile Backhaul Mobile Access Business Services Online Gaming Voice over IP Music download Home Networking High-Speed Internet Access 3-5 Years Current Next Generation Enabling App
  3. 3. Higher Data Rates of DOCSIS ® 3.0 <ul><li>Downstream Capacity bonding </li></ul><ul><li>of 6 MHz channels </li></ul><ul><ul><li>Four channels = 152 Mbps </li></ul></ul><ul><ul><li>Eight channels = 304 Mbps </li></ul></ul><ul><li>Upstream Capacity bonding </li></ul><ul><li>of 6.4 MHz channels </li></ul><ul><ul><li>Two channels = 54 Mbps </li></ul></ul><ul><ul><li>Four channels = 108 Mbps </li></ul></ul><ul><li>Can choose to bond any number </li></ul><ul><li>of channels </li></ul><ul><ul><li>Channels ≠ adjacent </li></ul></ul><ul><ul><li>Legacy cable modems supported </li></ul></ul>
  4. 4. DOCSIS 3.0 Upstream Bandwidth <ul><li>Upstream operation can be extended from 5-42 MHz to 5-85 MHz to adds nearly 200 Mbps of potential capacity </li></ul>Optional Required 5 10 14 18 22 26 30 34 38 42 5 . 5 5 4 3 2 1 6 . 4 MHz @ 64 QAM 27 Mb / s / 6 . 4 MHz 5 . 5 x 27 Mbps = 148.5 Mbps Frequency MHz 5 10 14 18 22 26 30 34 38 42 6 10 5 4 12 3 2 1 9 7 8 8 11 46 50 54 60 64 68 72 76 80 84 85 12 x 27 Mbps = 324 Mbps Frequency MHz
  5. 5. Use of Cable Spectrum <ul><li>Same amount of RF spectrum delivered to each home passed </li></ul><ul><li>Spectrum may be reused for interactive services by sub-dividing into service groups </li></ul>*Includes upstream **Representative values only, wide variation in practice due to cable system specifics Number of 6 MHz Channels per Household Service Group Size** Spectral Reuse Total Delivered Channels per 20,000 HHP hub Percentage of Delivered Bandwidth Linear Content 101 20,000 1 101 17% SDV 16 900 22 352 60% VoD 4 1,500 13 52 9% Broadband* 4 1,000 20 80 14% 125 585 100%

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