UWB Driver-Zone Detection for Automatic Smartphone Driver Mode
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Solution Overview
Problem
Existing systems for automatically enabling a driver mode on mobile devices in vehicles are prone to driver error in manual enablement and fail to distinguish between driver and passenger devices, leading to potential distractions and safety issues.
Innovation Solution
The implementation of ultra-wideband (UWB) communication to detect the precise location of a mobile device within a vehicle and automatically enable a driver mode when the device is within a defined driver zone, particularly when the vehicle is in motion, limiting mobile device interactions and redirecting them through the vehicle's infotainment system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual enablement of driver mode is used, then the driver can control mobile device functionality, but driver error occurs (e.g., forgetting to enable driver mode during every trip)
Solution Approach 1:
The system automatically enables driver mode by detecting the mobile device's position within the driver zone using UWB transceivers, eliminating the need for manual driver intervention. The system serves itself by autonomously determining when driver mode should be activated based on spatial detection, thereby preventing driver error while maintaining ease of operation.
2Reliability
If automatic enablement of driver mode is used, then driver error is reduced, but the system cannot discern between driver and passenger mobile devices
Solution Approach 1:
The vehicle interior is segmented into distinct zones (driver zone and passenger zone) with specific spatial boundaries. UWB transceivers are strategically positioned to detect and differentiate mobile devices in each zone. This spatial segmentation enables the system to precisely identify whether a device belongs to the driver or passenger, resolving the discrimination problem while maintaining reliable automatic enablement.
3Reliability
If UWB communication is implemented to detect precise device location, then driver distraction is reduced, but device complexity increases
Solution Approach 1:
The UWB transceiver system serves multiple functions: it detects mobile device presence, determines precise spatial location, distinguishes between driver and passenger zones, and triggers driver mode activation. By consolidating these functions into a single multi-functional system, the patent reduces overall complexity compared to implementing separate systems for each function while maintaining reliable driver distraction reduction.
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 solution effectively reduces driver distraction by ensuring the mobile device is in a limited operation mode only when the driver is likely to be using the vehicle, enhancing safety by minimizing interactions that could divert attention from driving.
Implementation Method 1
detecting, by a mobile device comprising a device ultra-wideband (UWB) transceiver, a set of vehicle UWB transceivers of a vehicle
Data Source
AI summary
Computer-implemented methods include detecting a device ultra-wideband (UWB) transceiver of a mobile device and a set of vehicle UWB transceivers of a vehicle, determining a defined driver zone within the vehicle, the defined driver zone indicating a set of relative positions within the vehicle, communicating between the device UWB transceiver and the set of vehicle UWB transceivers to determine a position of the mobile device within the vehicle, and automatically enabling a driver mode of the mobile device whereby operation of the mobile device is limited when the determined position of the mobile device is within the defined driver zone and the vehicle is moving.