Adaptive Location Watch Interval for Mobile Battery Conservation
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Solution Overview
Problem
Existing mobile applications and services consume significant energy by continuously performing localization operations to monitor a device's proximity to a destination target, leading to reduced battery life due to frequent GPS and cell tower readings.
Innovation Solution
Implementing techniques that calculate an interval for performing localization operations based on velocity and distance to a destination target, adjusting the interval based on displacement distance, and performing state detection to determine motion states, allowing for adaptive and reduced frequency of localization operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If continuous localization operations are performed to monitor proximity to destination target, then notification reliability is improved, but energy consumption increases
Solution Approach 1:
The patent implements periodic localization operations at calculated intervals rather than continuous monitoring. The system calculates an interval based on velocity and distance to destination target, performing localization only at scheduled times. This periodic approach maintains notification reliability by ensuring location checks occur frequently enough to detect proximity while significantly reducing energy consumption compared to continuous operations.
Solution Approach 2:
The patent dynamically adjusts the localization interval based on real-time conditions such as velocity and distance to destination target. When the device is moving faster or is farther from the destination, the interval is extended; when moving slower or closer, the interval is reduced. This dynamic adaptation ensures notification reliability is maintained across varying conditions while optimizing energy consumption by avoiding overly frequent checks when unnecessary.
2Loss of time
If continuous localization operations are performed to ensure timely notifications, then notification timeliness is improved, but battery life decreases
Solution Approach 1:
The system performs localization operations periodically at calculated intervals rather than continuously, significantly extending battery life. The interval calculation ensures that location checks occur frequently enough to provide timely notifications when the device approaches the destination target, while avoiding unnecessary continuous operations that would deplete the battery.
Solution Approach 2:
The patent changes the temporal parameter of localization operations by adjusting the interval between operations based on velocity and distance parameters. This parameter change allows the system to maintain notification timeliness by performing checks at appropriate intervals while conserving battery life through reduced operational frequency compared to continuous monitoring.
3Measurement precision
If GPS and cell tower readings are continuously obtained for location monitoring, then location accuracy is improved, but communication power consumption increases
Solution Approach 1:
The patent implements periodic acquisition of GPS and cell tower readings at calculated intervals rather than continuous acquisition. This periodic approach maintains location accuracy by ensuring position data is obtained frequently enough to accurately determine proximity to the destination target while significantly reducing communication power consumption associated with continuous satellite and cellular network interactions.
Data Source
AI summary
Techniques for watching a location of a device with respect to a destination target include obtaining a current location of a device from a localization operation, calculating an interval, and performing a next localization operation after the interval has expired. The interval may be calculated based on a velocity and a distance from the current location to a destination target. The techniques may also include calculating a displacement distance from the current location and adjusting the interval based on the displacement distance to thereby adjust a time for performing the next localization operation. The techniques may include performing state detection to determine a motion state of the device and performing the next localization operation based on the determined motion state.