Electronic Device Advertisement Packet Transmission for Location Tracking
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Solution Overview
Problem
Electronic devices with low battery capacity continuously consume power to broadcast location information when missing, leading to potential discharge before reconnection, and nearby devices and servers face increased load and costs due to frequent information uploads.
Innovation Solution
The electronic device controls advertisement operations in a missing state to reduce power consumption by transmitting advertisement packets only under specified conditions, selecting a reliable nearby device to upload information, thereby minimizing server load and battery drain.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electronic device continuously transmits advertisement packets to broadcast location information when missing, then the location tracking reliability is improved, but the battery consumption increases and may lead to discharge before reconnection
Solution Approach 1:
The electronic device transmits advertisement packets periodically at predetermined intervals rather than continuously. The processor controls the wireless communication circuit to send ADV packets at specific time intervals, reducing power consumption while maintaining location tracking capability through periodic updates.
Solution Approach 2:
The advertisement transmission is made dynamic by adjusting transmission behavior based on connection status. When connected to a companion device, normal communication occurs. When disconnected (missing state), the device dynamically switches to periodic advertisement packet transmission to enable location tracking only when necessary, optimizing battery usage based on operational conditions.
2Measurement precision
If nearby devices frequently upload location information to the server, then the location tracking accuracy is improved, but the server load and operational costs increase
Solution Approach 1:
Instead of requiring all nearby devices to frequently upload location information, the system uses partial action by selecting specific devices (companion devices or nearby devices with response capability) to perform uploads. The electronic device sends advertisement packets to nearby devices, and only devices that respond or are designated as companions perform the upload action, reducing overall server load while maintaining tracking accuracy.
Data Source
AI summary
Disclosed are methods and electronic devices configured to transmit, at a first period, a first-type advertisement (ADV) packet to a first external electronic device using the wireless communication circuit; determine that the electronic device is missing based on location information of the electronic device if a first response signal for the first-type ADV packet is not received from the first external electronic device; in response to determining that the electronic device is missing, transmit, at a second period, a second-type ADV packet to a nearby external electronic device using the wireless communication circuit; receive a second response signal for the second-type ADV packet from a second external electronic device; and transmit, to the second external electronic device, a signal including information of the electronic device based on reception of the second response signal.