Sub-GHz Transceiver Integrating RKE, TPMS, and Garage Door Control
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Solution Overview
Problem
Current vehicle systems require redundant hardware devices for Remote Keyless Entry (RKE), Tire Pressure Monitoring System (TPMS), and Universal Garage Door Opener functions, increasing costs and space requirements.
Innovation Solution
A vehicle control system utilizing a single sub-GHz transceiver and ECU to integrate RKE, TPMS, and remote control functions, allowing for unified communication and control across these systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate hardware devices are used for RKE, TPMS, and garage door opener functions, then each function can be independently implemented, but the hardware cost and space requirements increase
Solution Approach 1:
The patent combines RKE, TPMS, and garage door opener functions into a single integrated transceiver device. The transceiver includes multiple antennas (first antenna for RKE, second antenna for TPMS, third antenna for garage door) and a control unit that manages all three functions, eliminating the need for separate hardware devices for each function while maintaining functional independence through dedicated communication channels.
Solution Approach 2:
The transceiver is designed as a universal device capable of performing multiple functions: remote keyless entry communication, tire pressure monitoring data reception, and garage door control signal transmission. The control unit within the transceiver manages different communication protocols and protocols for each function, enabling one device to replace multiple specialized devices.
2Reliability
If multiple transceivers are installed for different functions, then each system operates independently, but the cost and space requirements increase
Solution Approach 1:
The patent integrates multiple transceiver functions into a single physical device installed in the vehicle. The transceiver contains multiple antennas positioned to handle different communication functions (RKE, TPMS, garage door) and a unified control unit that manages all communications, thereby reducing installation space while maintaining system independence through protocol differentiation.
3Reliability
If redundant hardware is used for each function, then system reliability is maintained, but manufacturing cost increases
Solution Approach 1:
The patent consolidates RKE, TPMS, and garage door opener hardware into a single transceiver unit, reducing the total number of components that need to be manufactured, assembled, and tested. This integration lowers manufacturing costs while maintaining functional reliability through dedicated communication channels and protocol management within the unified device.
Solution Approach 2:
The transceiver is designed as a multi-functional universal device that can handle multiple communication protocols and functions within a single unit. This approach reduces per-unit costs through economies of scale in manufacturing while maintaining the reliability of each individual function through protocol-specific processing within the control unit.
Data Source
AI summary
The present disclosure provides a vehicle control system. The vehicle control system includes a transceiver operating in a sub-GHz frequency band configured to transmit and receive data from a RKE user terminal of the vehicle, a set of TPMS sensors and at least one remote control terminal located outside the vehicle; and an ECU connected to the transceiver and configured to: perform lock or unlock and engine start functions in responding to data from the RKE user terminal, receive tire pressure data from the TPMS sensors and control the remote control terminal in responding to a user action.