Market Overview

Hi3911 is the first broadband carrier chip developed for centralized metering of power lines. It employs the orthogonal frequency-division multiplexing (OFDM) and noise reduction technologies and optimizes the band scope to address high power consumption and short transmission distance of BPLC. It provides a technological basis for implementing intelligent, automatic, and efficient centralized metering and ushers in the broadband carrier centralized metering era.

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Patents
  • [CN201210222909.2] Method, apparatus and system for providing and acquiring CSMA time slot

  • [CN201410484696.X] Communication method, device and system

  • [CN201210479158.2] Acquisition method, apparatus, equipment, routing and concentrator system

  • [CN201410559896.7] Meter reading method, device and system

  • [CN201510190891.6] Method and device for coordinating multiple power line networks

  • [CN201510762650.4] Phase identification device and method in power supply network

Technology Highlight
  • Physical layer: The OFDM technology is introduced to reduce the impact of intersymbol interference.

  • MAC layer: With dynamic routing, the real-time performance of route updating is effectively ensured in the case of strong time variance of channels.

  • Application layer: The transformer district identification technology is used to reduce the onsite construction and O&M workload.

Case Studies

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