The A-Packet is structured to carry the native protocol data and all information that the A-PHY Data Link Layer requires to perform its functions efficiently.

The A-Packet has following features and functions: 

  • Downlink and uplink use the same packet structure.
  • The structure is optimized supporting multiple protocol aggregation with minimal overhead and latency.
  • The A-Packet header contains all required information (e.g., QoS, Priority, Destination, Protocol Type).
  • The A-Packet structure:
    • Header: 8 byte including MC (message counter) and header CRC (Cyclic Redundancy Check)
    • Payload
    • Tail: 4 Byte (CRC-32)

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