Vehicle-Cloud Keep-Alive Control Using Payload Messages

The patent extracts the connection maintenance function from the ping message mechanism and integrates it into the existing message queue system. By using the message queue's keep-alive capability with actual payload messages (vehicle state data, telemetry information), the system eliminates the need for separate ping requests while maintaining connection reliability and reducing unnecessary network traffic.

The patent makes the message queue system multi-functional by enabling it to serve both as a communication channel for actual data exchange and as a connection maintenance mechanism. The same message queue infrastructure that handles vehicle-to-cloud communication also performs keep-alive functionality, eliminating the need for dedicated ping messages and reducing network overhead.

The patent implements dynamic timeout management where the keep-alive timer is adjusted based on actual communication needs and vehicle state. The system can extend the timeout when connections are needed and reduce it when vehicles are offline or when connection release is desired, creating a flexible mechanism that balances connection stability with timely release capability.

The patent introduces feedback mechanisms where the vehicle reports its operational status and connection needs to the cloud server. Based on this feedback, the server dynamically adjusts the keep-alive timeout parameter, extending it when the vehicle is active and reducing it when the vehicle is offline or requests connection release, thus optimizing both stability and release efficiency.