Wireless Transceiver Indexing via Spatial Distribution Mapping
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Solution Overview
Problem
Existing systems for identifying transceiver locations in vehicles rely on hardware encoding, which increases costs and complexity, and is prone to human error during assembly, making it inefficient.
Innovation Solution
A method using wireless ranging functionality to determine the spatial distribution of transceivers and index them based on ranging distances, applying this distribution to a spatial map within an electronic control unit (ECU), allowing for unique identification of each transceiver's mounting location without additional hardware pins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If hardware encoding is used to identify transceiver locations, then transceiver identification is achieved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent replaces the mechanical hardware encoding system (physical pins and connectors) with a wireless ranging system that uses signal propagation time and spatial distribution algorithms to identify transceiver locations, thereby eliminating the need for additional physical encoding components
Solution Approach 2:
The patent creates a virtual copy of the physical transceiver layout by constructing a spatial distribution map that replicates the relative positions of transceivers through wireless ranging measurements, allowing location identification without physical encoding hardware
2Measurement precision
If hardware encoding with multiple transceiver variations is implemented, then location identification is possible, but manufacturing cost increases
Solution Approach 1:
The patent makes all transceivers universal and interchangeable by removing location-specific hardware encoding, allowing any transceiver to be installed in any location and automatically identified through the wireless ranging system based on its measured spatial position
Solution Approach 2:
The patent changes the identification mechanism from static hardware encoding (physical pin configurations) to dynamic parameter-based identification using wireless signal propagation characteristics and spatial coordinates, eliminating the need for multiple transceiver variants
3Manufacturing precision
If hardware encoding is used during assembly, then transceiver positioning is achieved, but human error increases leading to inefficient operations
Solution Approach 1:
The system performs self-identification and self-indexing by automatically measuring wireless ranging distances and computing spatial distributions, eliminating the need for manual hardware encoding during assembly and thereby removing the source of human error
Solution Approach 2:
The system implements feedback by continuously measuring wireless signal characteristics and comparing measured spatial distributions against expected configurations, automatically detecting and correcting any positioning deviations without manual intervention
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 approach reduces complexity and cost by enabling the use of identical transceivers in various configurations, ensuring accurate transceiver positioning and reducing assembly errors, while allowing for efficient communication between transceivers and the ECU.
Implementation Method 1
The ranging distance includes at least one of an ultrawide band Time-of-Flight, Bluetooth low energy Time-of-flight
Implementation Method 2
Bluetooth low energy phase based ranging
Data Source
AI summary
An exemplary method for indexing transceivers uses wireless ranging functionality. The method includes determining a ranging distance between at least one transceiver and each other transceiver in a plurality of transceivers, determining a transceiver spatial distribution based on the ranging distance between at least one transceiver and each other transceiver in the plurality of transceivers, and indexing each transceiver by applying the transceiver spatial distribution to a spatial distribution map using an electronic control unit (ECU).