Vehicle Identification via Intercepted RF Signal Analysis
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Solution Overview
Problem
Current vehicle identification systems using RF signals require specialized devices in vehicles, which are burdensome and limit the number of vehicles that can be detected.
Innovation Solution
A system that uses receivers to intercept and decode signals from vehicles, such as RF, cellular, or Bluetooth signals, to determine unique vehicle identifiers, allowing for vehicle identification without the need for additional in-vehicle devices, and enables applications like telematics, targeted marketing, and access control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If specialized RF devices are placed in vehicles for identification, then vehicle identification capability is achieved, but user burden increases and the number of detectable vehicles decreases
Solution Approach 1:
The patent applies the self-service principle by having vehicles identify themselves through signals they already emit (cellular, Bluetooth, Wi-Fi) without requiring specialized RF devices. The existing communication modules in vehicles serve dual purposes: their primary function and vehicle identification, eliminating the need for additional dedicated hardware and reducing user burden.
Solution Approach 2:
The patent implements multi-functionality by utilizing existing vehicle communication modules (cellular, Bluetooth, Wi-Fi) for both their original purposes and for vehicle identification. This universal approach allows the same hardware to serve multiple functions, eliminating the need for specialized single-purpose RF devices and increasing the number of detectable vehicles.
2Reliability
If specialized RF devices are placed in vehicles, then vehicle identification is possible, but the number of vehicles that can be detected is reduced
Solution Approach 1:
The patent implements multi-functionality by utilizing existing vehicle communication modules (cellular, Bluetooth, Wi-Fi) for both their original purposes and for vehicle identification. This universal approach allows the same hardware to serve multiple functions, eliminating the need for specialized single-purpose RF devices and increasing the number of detectable vehicles.
Solution Approach 2:
The patent applies the self-service principle by having vehicles identify themselves through signals they already emit (cellular, Bluetooth, Wi-Fi) without requiring specialized RF devices. The existing communication modules in vehicles serve dual purposes: their primary function and vehicle identification, eliminating the need for additional dedicated hardware and increasing the number of detectable vehicles.
3Device complexity
If existing vehicle signals are intercepted and decoded, then additional in-vehicle hardware is eliminated, but signal interception and decoding complexity increases
Solution Approach 1:
The patent employs an intermediary approach by using external receivers to intercept and decode signals emitted by vehicles. Rather than complicating the in-vehicle system, the signal processing complexity is moved to external receivers that capture existing vehicle communications (cellular, Bluetooth, Wi-Fi) and extract identification information, thereby simplifying the vehicle端hardware while managing decoding complexity externally.
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
Enables efficient and convenient vehicle identification across various transportation modes, both indoors and outdoors, facilitating applications like targeted advertising, customer rewards, and secure access without the need for additional hardware, while maintaining user privacy options.
Implementation Method 1
a transmitter of a vehicle to transmit a radio frequency (RF) signal
Implementation Method 2
The receiver can decode the signals and, based on the signals, determine a unique identifier for the vehicle
Data Source
Figure 1
Figure 2
AI summary
In some embodiments, an apparatus includes a memory, a processor operatively coupled to the memory and a sensor. The sensor is configured to intercept a wireless signal associated with a vehicle. The processor configured to identify from the wireless signal (1) a bit rate of the wireless signal, (2) an encoding type associated with the wireless signal, and (3) data associated with the wireless signal. The processor configured to generate an identifier associated with the vehicle based on the bit rate, the encoding type and the data. The processor configured to correlate within the memory the identifier with additional data associated with a user of the vehicle.