Acronyms and Abbreviations: AMI: Advanced Metering Infrastructure; DA: Distribution Automation; HES: Head-End System MDM: Meter Data Management DTU: Distribution Terminal Unit FTU: Feeder Terminal Unit CPE: Customer Premises Equipment DAU: Data Access Unit eFEC: Enhanced Forward Error Correction HARQ: Hybrid Automatic Repeat Request ARQ: Automatic Repeat Request OFDM: Orthogonal Frequency Division Multiplexing
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