Cristina Vintila - 4G - Technology Overview

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Cristina Vintila - 4G - Technology Overview

  1. 1. 4G - Overview Cristina Vintila [email_address] Ixia / MTA
  2. 2. Table of Contents <ul><li>Technology evolution </li></ul><ul><li>4G – What? Why? </li></ul><ul><li>What’s new: Radio + Core Network </li></ul><ul><li>Better than 3G ? </li></ul>
  3. 3. Technology evolution
  4. 4. 4G – What? Why? <ul><li>Not enough capacity for multimedia, high costs. </li></ul>
  5. 5. What’s new: Radio (LTE) <ul><li>OFDM based multicarrier transmission </li></ul><ul><li>Multiple Tx/Rx antenna technologies </li></ul><ul><li>Link Adaptation (adaptive modulation) </li></ul><ul><li>Channel coding, estimation and prediction </li></ul><ul><li>Advanced synchronization </li></ul><ul><li>Inter channel interference (ICI) cancellation </li></ul><ul><li>Software defined radio (SDR) </li></ul>
  6. 6. What’s new: Core Network (EPC) <ul><li>All-IP based network </li></ul><ul><li>Seamless handoff </li></ul><ul><li>Radio resource management </li></ul><ul><li>Mobile IP </li></ul><ul><li>Multiple access and scheduling for IP QoS </li></ul>
  7. 7. What’s new: Radio + Core Network <ul><li>End of Circuit Switched Voice </li></ul><ul><li>Evolved Wireless Broadband </li></ul><ul><li>End-to-End QoS becomes essential </li></ul><ul><li>Policy Management and Enforcement </li></ul>
  8. 8. What’s new: Radio + Core Network
  9. 9. Projects <ul><li>Fraunhofer: http://www.openepc.net/overview/epc/index.html </li></ul>
  10. 10. What’s new: Radio + Core Network
  11. 11. What’s new: Radio + Core Network
  12. 12. <ul><ul><ul><ul><ul><li>Thank You </li></ul></ul></ul></ul></ul>
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