User Device Satellite Connection State Switching
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Solution Overview
Problem
User devices experience frequent loss of satellite connectivity due to satellite movement, leading to difficulties in receiving messages via satellite messaging, especially in emergency situations where timely responses are critical.
Innovation Solution
The user device proactively switches from an idle state to a connected state by sending a connection request to a network device via a satellite when within range, ensuring prompt receipt of pending messages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the user device remains in idle state to conserve energy, then energy consumption is reduced, but the device cannot receive incoming messages promptly when satellite connectivity is restored
Solution Approach 1:
The device performs preliminary actions by scanning for satellites and proactively transitioning to connected state when a satellite is detected, before incoming messages are sent. This ensures the device is ready to receive messages immediately when connectivity is available, eliminating delays while only consuming extra energy when satellites are actually present.
2Reliability
If the user device frequently switches states to maintain connectivity, then message reception reliability is improved, but device complexity and power consumption increase
Solution Approach 1:
The device uses feedback from satellite scanning results to dynamically determine when to transition states. When a satellite is detected during scanning, the device receives feedback indicating connectivity is available and automatically transitions to connected state. This feedback-driven approach simplifies connection management by relying on actual satellite presence rather than complex predictive algorithms.
3Productivity
If the base station attempts to relay messages when the user device is out of satellite range, then message delivery is attempted continuously, but messages are lost and reception reliability deteriorates
Solution Approach 1:
The user device performs preliminary satellite scanning and proactively transitions to connected state before the base station attempts to relay messages. This timing alignment ensures that when the base station sends messages, the device is already in connected state and ready to receive them, eliminating message loss without requiring the base station to know the device's connectivity status.
Data Source
AI summary
A computer-implemented method is provided. The method includes determining, by a user device, that the user device is within range of a particular satellite. The method also includes sending, by the user device, a connection request to the particular satellite in response to determining that the user device is within range of the particular satellite. The connection request is forwarded to a network device, via the particular satellite, to indicate to the network device that the user device is available to receive messages via the particular satellite. The method also includes receiving, by the user device and via the particular satellite, a message from the network device in response to sending the connection request.