Mobile Device Motion-Based Transceiver Power Control
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Solution Overview
Problem
Modern mobile communication devices with additional wireless transceivers, such as Bluetooth, consume unnecessary power when not in use, requiring manual on/off switching, which is inconvenient and error-prone, potentially leading to unsafe situations if forgotten.
Innovation Solution
Incorporating a motion detection unit connected to a processing unit that automatically turns on/off additional wireless transceivers based on detected velocity thresholds, with user confirmation options, to conserve battery power and ensure safe operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If manual on/off switching is used for additional wireless transceiver units, then power consumption is reduced when not in use, but user convenience deteriorates and error rates increase
Solution Approach 1:
The system automatically detects motion through the motion detection unit and autonomously controls the additional wireless transceiver unit without requiring manual user intervention. The processing unit monitors motion signals and automatically enables or disables the transceiver based on detected motion conditions, allowing the system to serve itself rather than requiring continuous user management.
Solution Approach 2:
The system performs preliminary detection of motion conditions before activating the additional wireless transceiver unit. The motion detection unit continuously monitors for motion signals, and the processing unit evaluates whether motion thresholds are met before enabling the transceiver, ensuring appropriate preliminary conditions are satisfied before action is taken.
2Ease of operation
If additional wireless transceiver units remain turned on continuously, then user convenience is improved, but power consumption increases
Solution Approach 1:
The system dynamically adjusts the power state of the additional wireless transceiver unit based on real-time motion detection conditions. Rather than remaining static (either always on or always off), the transceiver's operational state changes dynamically in response to detected motion, enabling it to adapt between power-saving mode and operational mode as conditions change.
3Loss of energy
If automatic turning on/off is implemented without user confirmation, then power saving is improved, but system reliability deteriorates due to potential erroneous decisions
Solution Approach 1:
The system incorporates feedback mechanisms where the processing unit receives motion signals from the motion detection unit and uses this feedback to make informed decisions about transceiver activation. The feedback loop allows the system to continuously monitor motion conditions and adjust its decisions accordingly, improving reliability by ensuring actions are based on accurate, real-time information.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution reduces power consumption, enhances user convenience, and ensures safe operation by automatically enabling/disabling additional wireless transceivers when the device is in a moving vehicle, preventing power wastage and potential safety hazards.
Implementation Method 1
a motion detection unit, connected to a processing unit and arranged to send a motion signal to a processing unit
Implementation Method 2
the processing unit, arranged to receive the motion signal and to determine therefrom a parameter representative of a velocity of the mobile communication device
Data Source
AI summary
A mobile communication device includes a main wireless transceiver unit for sending and receiving wireless signals, an additional wireless transceiver unit for sending and receiving wireless signals, a motion detection unit, connected to a processing unit and arranged to send a motion signal to a processing unit, and the processing unit, arranged to receive the motion signal and to determine therefrom a parameter representative of a velocity of the mobile communication device, wherein the processing unit is arranged and constructed to turn on the additional wireless transceiver unit when the parameter exceeds a first threshold value. Furthermore, the processing unit is arranged and constructed to turn off the additional wireless transceiver unit when the parameter representative of a velocity remains below a second threshold value for a predetermined period of time.