UWB Location Tracking for Voice Command Authentication
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Solution Overview
Problem
Current authentication methods for electronic devices are becoming inadequate due to advances in technology, lacking effective solutions for secure user verification and authorization, especially in preventing unauthorized access to sensitive data.
Innovation Solution
Implementing ultra-wideband (UWB) location tracking and orientation verification to authenticate voice commands by requiring a device to be within a predetermined area and oriented correctly, using UWB signals and voice identification to ensure only authorized users can execute commands on IoT devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional authentication methods are used, then ease of operation is maintained, but security reliability deteriorates due to advances in technology that can subvert those authentication methods
Solution Approach 1:
The patent combines multiple authentication factors into a unified system: voice biometric authentication, UWB location tracking, and device orientation verification are merged to create a multi-layered security approach. This combination allows the system to maintain high security while preserving user convenience, as users can authenticate naturally through voice without manually handling multiple security devices or procedures.
Solution Approach 2:
The system introduces an intermediary authentication layer between the user and the command execution. The voice processing system and UWB tracking system act as intermediaries that verify user identity and device location/orientation before allowing command execution, thereby enhancing security without requiring direct user intervention in the authentication process itself.
2Ease of operation
If voice input alone is used to execute commands, then ease of operation is improved, but security deteriorates due to vulnerability to voice spoofing and unauthorized access
Solution Approach 1:
The patent adds spatial and temporal dimensions to voice authentication by incorporating UWB location tracking and device orientation verification. Instead of relying solely on voice characteristics, the system now considers where the device is located and how it is oriented when the voice command is given, creating a multi-dimensional authentication framework that is much harder to spoof while maintaining ease of use.
Solution Approach 2:
The system dynamically evaluates multiple parameters including voice biometric features, device location coordinates, and device orientation angles. By monitoring and verifying that these parameters match expected patterns, the system can distinguish between genuine user commands and spoofing attempts, thereby enhancing security while preserving the natural voice-controlled operation.
3Reliability
If UWB location tracking and orientation verification are added to authenticate voice commands, then security is improved, but device complexity increases
Solution Approach 1:
The system achieves multi-functionality by using the device's existing sensors and processors for multiple purposes: the microphone array serves both audio processing and location tracking, the gyroscope and accelerometer are used for both navigation and orientation verification, and the UWB transceiver enables both communication and precise location tracking. This universal use of components reduces overall system complexity despite the enhanced authentication capabilities.
Solution Approach 2:
The device performs self-verification by automatically monitoring its own location, orientation, and voice characteristics without requiring external verification systems. The UWB transceiver and sensors continuously track device state, and the processing system automatically compares these states against authentication criteria, enabling the device to authenticate commands independently without adding external complexity.
4Reliability
If multiple authentication factors (voice, location, orientation) are required, then security against unauthorized access is improved, but processing time increases
Solution Approach 1:
The system performs preliminary authentication by continuously monitoring voice patterns, device location, and orientation even before a command is issued. When a voice command is detected, the authentication process is expedited because the system has already pre-verified the user's voice characteristics and the device's location/orientation state, reducing the actual authentication time while maintaining high security standards.
Solution Approach 2:
The authentication process is made continuous rather than discrete. The UWB tracking and sensor monitoring operate continuously in the background, maintaining an up-to-date profile of device location and orientation. This continuous monitoring allows the system to quickly verify authentication factors when needed, minimizing authentication time while ensuring that all security checks are performed with current data.
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
Enhances security by precisely locating and orienting the device, preventing unauthorized access and spoofing, thereby ensuring only authorized users can perform voice-controlled operations on IoT devices.
Implementation Method 1
track a location of a second device different from the first device using one or more UWB signals received from the second device via the UWB transceiver
Data Source
AI summary
In one aspect, a first device may include at least one processor, an ultra-wideband (UWB) transceiver accessible to the at least one processor, and storage accessible to the at least one processor. The storage may include instructions executable by the at least one processor to receive voice input at the first device and to track a second device using one or more UWB signals received from the second device via the UWB transceiver. The instructions may then be executable to, based on tracking, perform an operation using the voice input.