Barrierless Access Control via Beacon and Sensor Fusion
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Solution Overview
Problem
Current access management systems for restricted sites, such as buildings, lack efficient methods to detect and account for unauthorized entries, unlike toll road systems which use radio-frequency technologies for barrierless entry points.
Innovation Solution
The system employs a central management system, beacons, sensors, and cameras to authenticate and monitor entries through barrierless entryways using mobile devices, eliminating the need for separate tokens or keycards, and generates alerts for unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a barrierless entryway system is implemented using mobile devices, then ease of operation is improved, but reliability of detecting and accounting for unauthorized entries deteriorates
Solution Approach 1:
The system merges multiple detection methods (beacon signals for authorized device detection, motion sensors for movement detection, and cameras for visual confirmation) into a unified access management system. This combination ensures that unauthorized entries are detected through multiple independent channels, maintaining reliability while preserving barrierless convenience.
Solution Approach 2:
The system implements feedback loops where the central system receives data from beacons, sensors, and cameras, processes this information, and generates real-time alerts for unauthorized entries. The feedback mechanism ensures that the system continuously monitors and responds to entry attempts, maintaining security reliability without requiring physical barriers.
2Reliability
If multiple detection components (beacons, sensors, cameras) are deployed, then reliability of unauthorized entry detection is improved, but device complexity increases
Solution Approach 1:
The system segments the access management functionality into distinct modular components: beacon units for device detection, motion sensors for movement detection, and cameras for visual recording. Each component operates independently and communicates with a central system, allowing for easier installation, maintenance, and scalability while maintaining high reliability through redundant detection methods.
Solution Approach 2:
The central system serves multiple functions by integrating data from beacons, sensors, and cameras, processing authentication, generating alerts, and maintaining access logs. This multi-functional approach consolidates complexity into a single management platform rather than requiring separate systems for each detection method.
3Productivity
If barrierless entryway is used, then productivity of access management is improved, but measurement precision of unauthorized entries deteriorates
Solution Approach 1:
The system performs preliminary detection and authentication actions before granting access. Beacons continuously broadcast and detect registered devices in advance, motion sensors detect approach movements before entry, and cameras capture images at the moment of entry. This preliminary action sequence ensures accurate identification and recording of both authorized and unauthorized entries while maintaining smooth barrierless flow.
Solution Approach 2:
The system replaces mechanical barrier systems with electronic and optical detection methods. Instead of physical gates or turnstiles that mechanically control and measure entry, the system uses beacon signals, motion sensors, and cameras to detect and record entries electronically, maintaining productivity while improving measurement precision through digital data capture and analysis.
Data Source
AI summary
An exemplary central system is configured to receive and store data from a registered device passing through an entryway of a restricted site, in a manner that permits the detection of unauthorized entry into the restricted site. A beacon broadcasts a beacon signal which prompts the registered device to transmit an active device ID and an active location ID to the central system, a sensor detects movement approaching the entryway and notifies the central system, and a camera captures an image of a region encompassing the entryway. The central system is configured to, among other things, receive the notification, communicate a control signal to the camera to capture the image, receive and store the image from the camera, cross-reference the active location ID with a registered location ID, and cross-reference the active device ID with registered device IDs. The entryway may have a barrier or may be barrierless.