Wireless Device Power Management for Data Replication
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Solution Overview
Problem
Data replication processes in wireless information devices can rapidly deplete battery power, leading to premature shutdowns and inconvenience to users, as existing power management strategies often require complete shutdowns to preserve data, which inhibits device access.
Innovation Solution
A method of power management that automatically determines the battery level and selectively sends data to a remote server, queuing larger data transfers until the device has sufficient power, ensuring sufficient battery life for emergency calls and other essential functions without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data replication is performed continuously to keep information synchronized, then data synchronization is improved, but battery power is rapidly depleted
Solution Approach 1:
The system dynamically adjusts data replication behavior based on real-time battery level monitoring. When battery levels fall below a threshold, the system automatically suspends replication operations. This dynamic adaptation allows the system to maintain data synchronization during adequate power conditions while preserving battery life when power is constrained, resolving the contradiction between continuous synchronization and power consumption
Solution Approach 2:
The system changes the operational parameter of data replication based on battery level conditions. By monitoring battery charge levels and adjusting replication activity accordingly (active when power is available, suspended when power is low), the system optimizes the balance between maintaining data synchronization and conserving battery power
2Use of energy by moving object
If the device shuts down completely to preserve battery power, then battery life is extended, but device access is inhibited
Solution Approach 1:
The system segments power management into different operational modes: normal operation mode for data replication when battery levels are sufficient, and suspended replication mode when battery levels are low. This segmentation allows the device to maintain functionality and user access while conserving battery power, avoiding the need for complete shutdowns
3Use of energy by moving object
If data transfer is delayed until sufficient battery power is available, then battery power is preserved, but data synchronization is delayed
Solution Approach 1:
The system preliminarily monitors battery levels and data changes continuously. When battery levels are adequate, data replication is performed immediately. When battery levels drop below the threshold, replication is suspended until power becomes available again. This approach preserves battery power while minimizing synchronization delays by acting as soon as power conditions permit
Data Source
AI summary
A wireless information device automatically replicates data held on the device to a remote server over a wireless network. An application on the device(a) automatically determines the battery level of the device;(b) prevents sending data over the wireless network if the battery level is below a first threshold.