Battery-Powered Gateway for Secure Location-Based Access Control
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Solution Overview
Problem
Existing electronic lock systems relying on smartphones for location-based access control are vulnerable to attacker manipulation, as users can control the smartphone to provide incorrect location data, compromising security.
Innovation Solution
A battery-powered gateway is introduced, mounted near the electronic lock, equipped with a short-range radio communication module, a cellular communication module, and a location determination module, which transmits location data to the access control server, receives unlock messages, and transitions between low-power and active states, ensuring secure location-based authentication without relying on user devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a smartphone is used as a router and location source for the electronic lock, then the system can achieve location-based access control, but the system becomes vulnerable to attacker manipulation since the user controls the smartphone and can provide incorrect location data
Solution Approach 1:
The patent introduces a gateway as an intermediary device between the electronic lock and the access control server. This gateway contains a location determination module that independently obtains location data, separate from the smartphone. The gateway acts as a mediator that provides location information to the server without being controlled by the user, thereby preventing manipulation while maintaining location-based access control functionality.
2Reliability
If the gateway continuously communicates with the access control server, then location-based access control can be maintained, but the battery power is consumed rapidly
Solution Approach 1:
The gateway implements periodic communication with the access control server rather than continuous communication. It wakes up at scheduled intervals to transmit location data and receive access control decisions, then returns to a low-power state. This periodic action maintains the reliability of access control functionality while significantly reducing battery power consumption compared to continuous communication.
Solution Approach 2:
The gateway determines its own location using an integrated location determination module and autonomously manages its power state transitions between active and low-power modes. This self-service capability allows the gateway to maintain access control functionality independently while optimizing its own power consumption without requiring external power management.
3Reliability
If the gateway is mounted near the electronic lock, then secure location-based access control is achieved, but the device complexity increases due to additional components
Solution Approach 1:
The patent combines multiple functions into a single gateway device: location determination, short-range communication with the electronic lock, cellular communication with the access control server, and power management. By merging these previously separate components into one integrated gateway, the system achieves enhanced security through proximal mounting while managing device complexity through functional integration rather than proliferation of separate devices.
Data Source
AI summary
A gateway for enabling remote access control by an access control server for an electronic lock, wherein the gateway comprises: a battery being a power source for the gateway; a short-range radio communication module for communicating with the electronic lock; a communication module for communicating with the access control server; a location determination module; a processor; and a memory storing instructions that, when executed by the processor, cause the gateway to: transmit uplink location data to the access control server, wherein the uplink location data comprises the first location data; receive an unlock message from the access control server; transmit an unlock command to the electronic lock; and transition from an active state to a low-power state.