Mindspeed jim.johnston 4_gwe-spring 1.0


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Mindspeed jim.johnston 4_gwe-spring 1.0

  1. 1. Evolving the Evolved Packet Core<br />Jim Johnston<br />CTO, Communications Convergence Processing<br />Mindspeed Technologies, Inc.<br />
  2. 2. Mobility + Content<br />New Networked Applications<br />Innovative New Platforms<br />+<br />=<br />Explosive demand for Mobile Broadband<br />
  3. 3. Powerful Consumer Devices put Processing Horsepower at the Edge of the Network<br />High performance graphics processing<br />Low power, longer battery life<br />Speedy interactions between core processor and device RAM<br />HD video capture and playback<br />1080p, 30 frames-per-second video<br />Dual displays (for video chat)<br />Vibrant touchscreens<br />External display drivers (HMDI output)<br />(photos courtesy of Samsung and Lenovo) Epic 4G smartphone ,Galaxy Tab (Samsung), Skylight Smartbook (Lenovo)<br />
  4. 4. An Explosion in Mobile Data Traffic<br />3,600,000<br />This surge in mobile data and video coincides with:<br /><ul><li> A strategic move away from separate (circuit- switched) voice and (packet-switched) data networks
  5. 5. The migration to 4G LTE networks with an all-IP core
  6. 6. A move towards heterogeneous networks featuring macrocells, microcells, picocells and femtocells</li></ul>Terabytes Per Month<br />1,800,000<br />2009<br />2010<br />2011<br /> 2012<br />2013<br />2014<br />Source: 2010 Cisco VNI Mobile pictured: Samsung Seek (courtesy of Samsung Mobile)<br />
  7. 7. From 2G and 3G to The Evolved Packet Core<br />PSTN<br />BTS<br />BSC<br />RF<br /> TRAU<br />Speech codec <br />Equ.<br />Time Slots - DSx<br />PA<br />TDM<br />A: TDM<br />TDMAModem<br />FEC<br />MSC<br />D/A<br />A/D<br />A-bis: TDM<br />2G GSM – 1990s<br />Media Gateway<br />Video processing<br />RNC<br />IP Packets<br />over ATM Cells / TimeSlots<br />Node B<br />Security<br />MAC<br />RF<br />Speech Codec<br />PA<br />Mobility Mgmt. <br />CDMA<br />Modem<br />Voice band data<br />GGSN<br />Gateway GPRS<br />Support Node<br />QoS<br />SGSN<br />Serving GPRS<br />Support Node<br />Equ.<br />FEC<br />D/A<br />A/D<br />IP Packet<br />3G W-CDMA – 2000s<br />Mobile Operator Core Network<br />eNode B<br />Native IP Packets<br />RF<br />FEC<br />MIMO<br />PA<br />aGW<br />IP Packet<br />IP Packet<br />Security<br />Mobility Management <br />OFDMA<br />Modem<br />Equ.<br />QoS<br />D/A<br />A/D<br />MAC<br />4G LTE - 2011<br />5<br />Packet Switching<br />
  8. 8. Residential<br />Business<br />Urban<br />Metro<br />The Network: Migration to a Distributed Architecture<br />High-Density Subs<br />Femto<br />Business<br />Enterprise<br />Femto<br />Micro<br />Macro<br />Pico<br />50<br />200<br />10<br />400<br />1200<br />Business<br />Metro<br />Business<br />Supported Subscribers<br />Network designers will deploy heterogeneous networks featuring ‘small cells’<br />
  9. 9. The Computational Complexities of 4G are Magnified<br />Evolving mobile standards will drive massively higher data rates<br /><ul><li> Advanced baseband processing techniques
  10. 10. Adaptive beam forming
  11. 11. Adaptive modulation
  12. 12. MIMO antenna systems
  13. 13. Space Time Coding (STC)
  14. 14. Digital RF processing</li></li></ul><li>Why Small Cells?<br />Micro<br />Time<br /><ul><li>Quicker to deploy; limited zoning/permissions
  15. 15. Low site engineering and construction requirements</li></ul>Cost<br /><ul><li>Cheaper to deploy and maintain
  16. 16. Lower CapEx
  17. 17. Lower OpEx (primarily due to reduction in lease costs)
  18. 18. More options for cost-effective backhaul </li></ul>Efficiency<br /><ul><li>Capacity (lots of it) --- exactly where it is needed
  19. 19. Flexibility in site location
  20. 20. Significant capacity gains are possible for lower TCO</li></ul>Pico<br />Femto<br />Increased Capacity and Coverage<br />
  21. 21. Processor Complexity in Evolved IP Networks<br />> 900<br />million<br />Silicon<br />Complexity<br />number of <br />transistors<br />300x<br />300<br />million<br />< 3 million<br />Software<br />Complexity<br />lines of <br />code<br />20<br />million<br />2000x<br />2 million<br />< 10,000<br />Dial-Up Modems<br />VoIP<br />4G Baseband<br />1995<br />2005<br />2010<br />Source: Mindspeed Technologies<br />
  22. 22. Next-Generation Base Stations Must Change to Support the (All-IP) Evolved Packet Core<br /><ul><li>Must be capable of delivering all standards-based services (at full throughput)
  23. 23. Low end-to-end latency
  24. 24. Cost-effective implementations
  25. 25. Power efficiency
  26. 26. Multi-RAT (Radio Access Technology) support: including 2G and 3G
  27. 27. Future-proofed support of evolving requirements
  28. 28. Movement towards ‘small cells’ architecture (macro-micro-pico-femto)</li></li></ul><li>Video is the Common Driver for User Equipment and Network Upgrades<br />Smartphones , with 20% market share, <br />are responsible for over 80% of mobile traffic usage. <br />Almost 66 percent of the world’s mobile data traffic will be Video by 2014.<br />Source: Informa Telecoms & Media <br />Source: Cisco Visual Networking Index 2010<br />
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