Portable GPS Tracker Cellular Satellite Network Switching

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Solution Overview

Problem

Current GPS tracking systems using cellular networks face limitations such as 'dead zones' where signal transmission is unavailable, posing risks to public safety, especially in monitoring individuals within the criminal justice system.

Innovation Solution

A system comprising a housing with a location data collector, cellular and satellite transceivers, a processor, and memory, which automatically switches between cellular and satellite networks to ensure continuous GPS data transmission, using a combination of cellular and satellite networks to maximize coverage and minimize costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cellular networks are used for GPS tracking, then tracking coverage is provided within cell tower range, but tracking data transmission fails in dead zones without cellular signal

Engineering Contradiction:
Improvetracking data transmission reliabilityVSAvoidtracking coverage adaptability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent combines cellular transceiver and satellite transceiver into a single portable electronic device. The processor automatically selects between cellular and satellite networks based on availability, merging the advantages of both networks to provide continuous tracking coverage without dead zones.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The device is designed with multi-functionality to operate on both cellular networks and satellite networks. This universal design enables the device to adapt to different network environments, ensuring tracking capability is maintained regardless of whether cellular signal is available.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Duration of action of stationary object

If only cellular networks are used for tracking, then device complexity is reduced, but tracking continuity is interrupted in areas without cellular coverage

Engineering Contradiction:
Improvetracking continuityVSAvoiddevice complexity
Core Design Contradiction:
Duration of action of stationary objectVSDevice complexity

Solution Approach 1:

The patent merges cellular and satellite transceivers into one device with a unified processor that manages both networks. This integration maintains tracking continuity by automatically switching between networks while managing the added complexity through a coordinated single-device architecture.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The device dynamically switches between cellular and satellite networks based on real-time availability. The processor continuously monitors network status and adapts the communication path, ensuring uninterrupted tracking while optimizing the use of available resources.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If automatic switching between cellular and satellite networks is implemented, then tracking coverage is maximized, but device complexity increases

Engineering Contradiction:
Improvenetwork coverage adaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The device performs preliminary actions by continuously monitoring the availability of both cellular and satellite networks in advance. The processor pre-establishes connection parameters and readiness status for both networks, enabling rapid switching when needed without adding significant operational complexity.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The device is designed to self-manage network selection and switching automatically. The processor autonomously monitors network status, selects the appropriate network, and maintains connections without external intervention, reducing the complexity burden on the user while maximizing coverage adaptability.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8682356B2Method and system of electronic monitoring
Publication Date: 2014.03.25 CORRISOFT LLC
  • US8682356B2 patent drawing
  • US8682356B2 patent drawing
  • US8682356B2 patent drawing

AI summary

GPS data can be transmitted from a portable electronic device to a central database using either a cellular network or a satellite RF network. Multiple embodiments are capable of executing tools and techniques that automatically determine the network appropriate for given conditions, maximize GPS data transmission coverage, and minimize cost. Using the described technology, it is possible to detect, differentiate between, and utilize networks according to circumstance.