Mobile Access Control via Pre-authorized P2P Link
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Solution Overview
Problem
Existing access control systems for secure premises face challenges in dynamically managing access permissions and ensuring secure, efficient operation, particularly in scenarios where physical access needs to be restricted or granted based on changing conditions or personnel.
Innovation Solution
A system utilizing a central security server and mobile wireless communication devices with both global and remote operational modes, enabling secure access control through encrypted communication technologies like Bluetooth, allowing users to control electro-mechanical devices such as garage door actuators or secure doors via mobile devices, with pre-authorization and localized peer-to-peer communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a centralized access control system is used to manage access permissions dynamically, then access management flexibility is improved, but system complexity and communication requirements increase
Solution Approach 1:
The system divides access control functionality into two segments: a centralized server for permission management and local receiving units with cached authorization data. This segmentation allows dynamic access management through the server while reducing real-time communication requirements and system complexity at the access points.
Solution Approach 2:
The patent introduces mobile devices as intermediaries between users and the access control system. Mobile devices receive pre-authorization from the central server and communicate with receiving units, reducing direct communication requirements between the centralized system and access points while maintaining flexibility.
2Reliability
If pre-authorization is implemented to reduce real-time communication needs, then system reliability is improved, but initial system setup and authorization time increase
Solution Approach 1:
The system performs authorization actions in advance by providing receiving units with cached authorization data before actual access requests. This preliminary action ensures system reliability by having authorization data ready without requiring real-time communication during access events.
3Reliability
If encrypted communication protocols are used to enhance security, then system security is improved, but communication overhead and processing time increase
Solution Approach 1:
Encryption and authorization data are established in advance through pre-authorization processes. Mobile devices and receiving units exchange and cache encrypted authorization data before actual access events, reducing real-time communication overhead while maintaining security through pre-established encrypted channels.
Data Source
AI summary
A system is described for controlling an actuating unit that restricts physical access such as a motorized garage door actuator unit. The system comprises a mobile wireless communication device, an electro-mechanical access control security device, and a receiving unit controlling the electro-mechanical access control security device, the receiving unit paired with the mobile wireless communication device for receiving user input for activating the electro-mechanical access control security device via a peer-to-peer communication directly with the mobile wireless communication device, and a pre-authorization of communication of the receiving unit with the mobile wireless communication device, the mobile wireless communication device receiving the pre-authorization from a central security server.