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TechExpo 26

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Overview of Shifted FDX in the D4.0 Physical and MAC Layers Specifications

  • September 29
  • 2:50 PM
  • - 3:10 PM
  • Examining the unified DOCSIS 4.0 cable modem (CM) and CMTS which support both FDX and FDD modes and extend downstream operation up to 1794 MHz
  • Exploring the SFDX frequency plan designed to enable FDX operation while aligning with DOCSIS 3.1 high-split upstream bands
  • Reviewing changes to D4.0 physical and MAC layer specifications, including PSD and tilt requirements, emission limits, and node performance impacts
  • Detailing channel resource and reference interface updates needed to support both CFDX and SFDX frequency plans in Unified CM deployments

Technical paper presentation.

Session Speakers

Shlomo Ovadia
Principal Engineer III
Charter Communications
  • All timing - Washington, DC

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