Vehicle–User Device Communication Gating at Bluetooth Range Edges
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Solution Overview
Problem
Smartphones experience erratic behavior and security vulnerabilities when operating near the edge of Bluetooth signal range with vehicles, leading to communication failures and potential data exploitation.
Innovation Solution
Implementing a system that determines signal strength between a user device and a vehicle, enabling communication commands only when the signal strength exceeds a threshold, and adjusting this threshold based on location, temperature, humidity, communication event timestamps, and user attention data, using machine learning models to enhance security and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If communication is enabled at the edge of Bluetooth signal range, then communication coverage is extended, but communication reliability deteriorates and security vulnerabilities increase
Solution Approach 1:
The patent implements dynamic signal strength threshold adjustment based on environmental conditions (temperature, humidity, location). The system continuously monitors signal strength and environmental parameters, adapting the threshold to maintain reliable communication only when conditions are favorable, rather than using a fixed threshold that would either exclude valid connections or include unreliable ones.
Solution Approach 2:
The system changes the operational parameters by adjusting the signal strength threshold based on environmental factors such as temperature, humidity, and location data. This parameter adaptation allows the system to maintain communication reliability across varying conditions while preventing connections at the edge of the signal range where reliability deteriorates.
2Area of stationary object
If communication is enabled at the edge of Bluetooth signal range, then communication coverage is extended, but security vulnerabilities increase due to MITM attacks
Solution Approach 1:
The patent applies preliminary anti-action by establishing security validation checks before enabling communication. The system evaluates signal strength thresholds and environmental conditions in advance, preventing communication initiation when conditions suggest potential security risks (such as weak signals at range edges that are more susceptible to MITM attacks), rather than reacting to security incidents after they occur.
3Area of stationary object
If signal strength threshold is lowered to extend range, then coverage area increases, but communication stability deteriorates
Solution Approach 1:
The system dynamically adjusts the effective threshold by incorporating environmental parameters (temperature, humidity, location) into the decision-making process. This dynamic approach allows the system to maintain communication stability by raising the effective threshold when environmental conditions indicate potential instability, while still extending coverage when conditions are favorable.
Solution Approach 2:
The patent implements feedback mechanisms by continuously monitoring signal strength and environmental conditions, then adjusting communication enablement decisions based on this feedback. The system uses historical communication event timestamps and current sensor data to adaptively determine whether to enable communication, ensuring stability while maximizing coverage under favorable conditions.
4Reliability
If environmental parameters are monitored and used to adjust threshold, then communication reliability improves, but device complexity increases
Solution Approach 1:
The patent leverages multi-functionality by using existing smartphone sensors (temperature, humidity, location) for multiple purposes: their primary functions plus additional use in signal threshold determination. This approach improves communication reliability through environmental monitoring without requiring dedicated hardware, thereby minimizing the increase in device complexity.
Solution Approach 2:
The system employs self-service by utilizing the smartphone's own built-in sensors and processing capabilities to perform environmental monitoring and threshold adjustment. Rather than requiring external monitoring equipment or complex dedicated hardware, the smartphone serves itself by leveraging its existing resources to enhance communication reliability.
Data Source
AI summary
Systems and methods are provided for managing communications between a vehicle and a user device. A user device may be determined to be authorized to communicate with a vehicle. A signal strength of a signal transmitted between the vehicle and the user device is determined, and a determination is made whether the signal strength exceeds a threshold signal strength. In response to determining that the signal strength exceeds the threshold signal strength, a communication command is enabled to be transmitted from the user device to the vehicle.