Dual-Mode Wireless Tracking Device Location Detection
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Solution Overview
Problem
Wireless tracking devices are limited by single-mode operation, leading to diminished utility due to excess power consumption, noise, signal loss, or failure, necessitating the need for improved location detection methods.
Innovation Solution
Implementing a dual-mode operation system where location is determined via short-range communication with alarm panels and a GPS or cellular location receiver, allowing the device to switch between modes for robust tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wireless tracking device uses a single mode of operation for location detection, then the device structure remains simple, but the utility is diminished due to excess power consumption, noise, signal loss, or failure
Solution Approach 1:
The wireless tracking device is designed to perform multiple location detection functions using two different modes: short-range communication with alarm panels and GPS/cellular location detection. This multi-functionality allows the device to maintain reliable tracking across different environments and conditions without requiring completely separate systems for each method.
Solution Approach 2:
The system dynamically switches between short-range communication mode and GPS/cellular mode based on availability and performance conditions. The controller selectively activates the appropriate location detection mode, making the system adaptable to changing environmental conditions, signal availability, and power requirements rather than relying on a static single-mode approach.
2Measurement precision
If a wireless tracking device uses GPS or cellular location detection continuously, then location accuracy is maintained, but power consumption increases
Solution Approach 1:
The system dynamically adjusts its location detection approach by first attempting short-range communication with alarm panels, which consumes less power. GPS or cellular detection is activated only when short-range communication is unavailable or insufficient, creating a dynamic power management strategy that maintains accuracy while reducing overall energy consumption.
Solution Approach 2:
The controller periodically attempts short-range communication with alarm panels before resorting to power-intensive GPS or cellular detection. This periodic checking approach allows the device to maintain location accuracy through the more energy-efficient short-range method when possible, while only occasionally utilizing the higher-power alternatives when necessary.
3Use of energy by moving object
If a wireless tracking device relies on short-range communication only, then power consumption is reduced, but location tracking fails when alarm panels are unavailable
Solution Approach 1:
The system prepares for potential short-range communication failures by having GPS and cellular location detection capabilities ready as backup. This cushioning approach ensures that if alarm panels are unavailable, the device can seamlessly transition to alternative location methods without interruption to tracking availability, while still prioritizing the lower-power short-range communication when it works.
Solution Approach 2:
The wireless tracking device incorporates multiple location detection functions (short-range communication, GPS, and cellular detection) within a single system. This multi-functionality ensures that the device can maintain reliable tracking availability across different scenarios by selecting the appropriate method based on what is currently available, rather than being limited to a single mode.
4Reliability
If a wireless tracking device uses dual-mode operation, then operational redundancy is provided, but device complexity increases
Solution Approach 1:
The location detection functionality is segmented into distinct modules: short-range communication module, GPS location detector, and cellular location detector. Each module operates independently with its own controller logic, allowing the system to manage complexity through modular design while maintaining operational redundancy across the different location detection methods.
Data Source
AI summary
A wireless tracking device can operate in two or more modes in connection with determining location of the wireless tracking device. In one mode, the wireless tracking device can determine location by establishing communication with an alarm panel using a short-range transceiver. The alarm panel can have a location that is known at the alarm panel or at a remote server, for example. In another mode, the wireless tracking device can utilize a location detector, such as a GPS receiver or a short-range receiver, to determine location of the wireless tracking device.