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Bandwidth  \nComcast’s Network is Undergoing Evolution Towards 10G  \nAutomations are Needed for Managing Spectrum Activations  \n• Phase 1: Activate OFDMA (39-85 MHz) and expanded OFDM (810-1002 MHz)  \n• Phase 2: Activate 2nd OFDM (placed below 810 MHz)  \n• Phase 3: Close-pack Video  \n• Phase 4: Activate FDX (configuration \\#1)  \n• Phase 5: Activate FDX (configuration \\#2)  \nAI Checks Spectrum for Artifacts & Generates Spectrum Configuration Customized for Each Node on the Network  \n© 2023 Society of Cable Telecommunications Engineers, [Inc. a subsidiary of CableLabs. | expo.scte.org](Inc. a subsidiary of CableLabs. | expo.scte.org) • \\#cabletecexpo 2  \nAccounting for Every MHz of Bandwidth  \nExample Configurations Pre-Midsplit Enablement (vCMTS Platform)  \nOFDMA to be placed here  \nHigh variability in configuration  \nOFDM to be placed here  \n999 carrier for detecting roll-off  \n© 2023 Society of Cable Telecommunications Engineers, [Inc. a subsidiary of CableLabs. | expo.scte.org](Inc. a subsidiary of CableLabs. | expo.scte.org) • \\#cabletecexpo 3  \nAccounting for Every MHz of Bandwidth  \nExample Configurations Post-Midsplit Enablement (vCMTS Platform)  \nOFDMA channel deployed  \n192 MHz OFDM channel deployed  \n© 2023 Society of Cable Telecommunications Engineers, [Inc. a subsidiary of CableLabs. | expo.scte.org](Inc. a subsidiary of CableLabs. | expo.scte.org) • \\#cabletecexpo 4  \nAccounting for Every MHz of Bandwidth  \nRepresentative Example of Required Checks: \\#1  \nIngress, MDU inserts  \nRoll-off, MDU Inserts  \nmoved  \nremoved  \n• Check mid-split and 810-1002 MHz for undocumented local video insertions (MDU inserts)  \n• Check 810-1002 MHz for roll-off (potential missed legacy amplifier)  \n© 2023 Society of Cable Telecommunications Engineers, [Inc. a subsidiary of CableLabs. | expo.scte.org](Inc. a subsidiary of CableLabs. | expo.scte.org) • \\#cabletecexpo 5  \nAccounting for Every MHz of Bandwidth  \nRepresentative Example of Required Checks: \\#2  \nIngress, MDU inserts  \nNoise in vacant SC-QAM spectrum  \n\n|  |  |\n| --- | --- |\n\nmoved  \nplaced  \nnarrowed  \nplaced  \n\n|  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- |\n\n• Check mid-split and 810-1002 MHz for undocumented local video insertions (MDU inserts)  \n• Check vacant spectrum (~400-650 MHz) for ingress  \n© 2023 Society of Cable Telecommunications Engineers, [Inc. a subsidiary of CableLabs. | expo.scte.org](Inc. a subsidiary of CableLabs. | expo.scte.org) • \\#cabletecexpo 6  \nAccounting for Every MHz of Bandwidth  \nObject-Oriented Model of the Full Band Capture (FBC)  \nFBC Model  \n1. Clean spectrum (removal of guards, tones)  \n2. Calculate energy in each EIA channel (QAM)  \n3. Use clustering to separate channels into Low (noise) and High (signal) groups  \n4. Annotate channel with occupancy tag(s) based on configuration  \n© 2023 Society of Cable Telecommunications Engineers, [Inc. a subsidiary of CableLabs. | expo.scte.org](Inc. a subsidiary of CableLabs. | expo.scte.org) • \\#cabletecexpo 7  \nAccounting for Every MHz of Bandwidth  \nRepresentative Example of the FBC Object  \n[example_spectrum.channel_data](example_spectrum.channel_data)  \n95: {'frequency': 93, 'range': (720, 764), 'energy': -64.22336260009305, 'configuration': [], 'label':'Low’},  \n27: {'frequency': 243, 'range': (2000, 2044), 'energy': -20.481732515261783, 'configuration':['Broadcast'], 'label': 'High'},  \n88: {'frequency': 609, 'range': (5123, 5167), 'energy': -23.413981733457593, 'configuration': ['scqam-ds','Tones'], 'label': 'High’},  \n89: {'frequency': 615, 'range': (5174, 5218), 'energy': -22.37800040455759, 'configuration': ['scqam-ds','Tones'], 'label': 'High’},  \n90: {'frequency': 621, 'range': (5226, 5270), 'energy': -22.926620985583934, 'configuration': ['scqamds'], 'la","cbCaijX2OpVNjohT","https://ap.wps.com/l/cbCaijX2OpVNjohT","pdf",3115156,"English","# Accounting for Every MHz of Bandwidth\n## Network evolution toward 10G and phased activation plan\n## AI checks spectrum for artifacts and generates node-specific configuration\n## Example configurations (pre-midsplit vs post-midsplit)\n## Required verification checks (#1 and #2)\n## Object-oriented model for full band capture (FBC)\n## Interpreting energy and occupancy states for channel labeling\n## Example detection of MDU insertions using configuration overlay","[{\"question\":\"What phases are used to activate spectrum for the described QAM/QAM-like deployments?\",\"answer\":\"The activation plan is organized into five phases: activate OFDMA and expanded OFDM, activate a second OFDM stage below 810 MHz, close-pack video, then activate FDX with configuration #1 and #2.\"},{\"question\":\"How does the approach perform spectrum artifact discovery and configuration generation?\",\"answer\":\"AI checks captured spectrum for artifacts and generates spectrum configuration customized for each network node based on detected channel conditions and occupancy states.\"},{\"question\":\"What does the full band capture (FBC) object-oriented model do?\",\"answer\":\"FBC cleans spectrum by removing guards/tones, calculates energy per EIA channel (QAM), clusters channels into low-noise and high-signal groups, and annotates channels with occupancy tags tied to configuration.\"}]","Accounting for Every MHz of Bandwidth - Slides - Artifact Discovery and Close-Packing of QAMs for Spectrum Activation | PDF",1789137136,7]