Telematics Communication Processor Mode Switching Duty Cycle
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Solution Overview
Problem
Telematics devices face reduced communication efficiency and limited functionality due to non-contemporaneous communication modes that require selective transmission or reception of message data or location data, increasing costs, power demands, and complexity.
Innovation Solution
A telematics device with a communication subsystem that includes a location antenna, a data antenna, and a communication processor capable of switching between location and data modes based on a determined duty cycle, caching messages during the location mode for transmission during the data mode, and managing requests from applications to optimize communication mode durations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If non-contemporaneous communication modes are used to reduce costs and power demands, then device cost and power consumption are reduced, but communication efficiency and functionality are limited
Solution Approach 1:
The communication processor alternates between location mode and data mode in periodic cycles defined by a duty cycle. The system periodically switches between receiving location data from the location beacon system and transmitting/receiving message data with the remote computer system, achieving efficient resource utilization while maintaining both communication functions
Solution Approach 2:
The system dynamically switches the communication processor between different operational modes based on real-time requirements. The communication mode is not static but adapts by transitioning between location mode and data mode according to the determined duty cycle, optimizing performance for each function at appropriate times
2Device complexity
If non-contemporaneous communication modes are used to reduce device complexity, then device complexity is reduced, but communication efficiency and functionality are limited
Solution Approach 1:
A single communication processor is designed to perform multiple functions by switching between different modes. The same hardware component handles both location data reception from the location beacon system and message data communication with the remote computer system, eliminating the need for separate dedicated processors for each function while maintaining full functionality
3Measurement precision
If location mode is prioritized with greater than 50% duty cycle, then location accuracy and continuity are improved, but data transmission opportunities are reduced
Solution Approach 1:
Message data is cached in memory during location mode operations before the communication processor switches to data mode. This preliminary caching ensures that data transmission can occur immediately when the processor is available, minimizing transmission delays while maintaining continuous location tracking
Solution Approach 2:
The system maintains continuous operation by ensuring that both location tracking and data transmission functions are always active, just at different times. The duty cycle allocation guarantees that location mode receives sufficient attention for accurate tracking, while data mode is periodically activated to maintain communication continuity, with caching ensuring no data is lost during transitions
Data Source
AI summary
Technologies for switching between communication modes in a telematics device includes a communication subsystem having a communication processor electrically coupled to a location antenna to receive location data form a location beacon system and a data antenna to communication with a remote computer system(s). The communication processor may have multiple modes of operation including a location mode in which the communication processor is configured to receive and process location data from the location beacon system and a data mode in which the communication processor is configured to transmit and receive data communications from the remote computer system(s). The communication subsystem may control the operating mode of the communication processor by switching the communication processor between the location mode and the data mode according to a determined switching duty cycle.