Wireless Network Boundary Definition Using Physical Access Control
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Solution Overview
Problem
Current wireless networking technologies lack an easy and effective method to limit the coverage area of wireless networks, leading to security issues due to signal leakage beyond intended boundaries, which can be exploited by unauthorized users.
Innovation Solution
Utilizing existing physical access control systems (PACS) to track the location of employees and restrict wireless network access based on their physical presence within a defined boundary, ensuring that only devices owned by authorized personnel within the premises can connect to the network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless network coverage is expanded to provide broader access, then network availability is improved, but security risk increases due to signal leakage beyond intended boundaries
Solution Approach 1:
The patent segments the wireless network coverage into multiple controlled zones using physical barriers (fences, walls, hedges) and electronic boundary markers (GPS coordinates, RFID tags). Each zone has its own access control policies, allowing the network to provide broad coverage while maintaining security through zoned management. Authorized users receive different access permissions based on their location within these segmented zones.
Solution Approach 2:
The patent introduces intermediary devices including boundary marker transmitters that emit identification signals, mobile devices with RFID readers, and location tracking software. These intermediaries mediate between the wireless network and users by verifying location and authorization status before granting network access, thus preventing unauthorized access while maintaining broad coverage.
2Object-affected harmful factors
If physical barriers are constructed to block wireless signals and define coverage boundaries, then security is improved, but implementation complexity and cost increase
Solution Approach 1:
The patent makes existing physical structures (fences, walls, hedges) serve dual purposes: their original function plus wireless signal blocking and boundary definition. Electronic boundary markers and GPS coordinates add boundary-defining capabilities without requiring new physical infrastructure. This multi-functionality reduces implementation complexity while maintaining security.
Solution Approach 2:
The patent uses electronic copies and representations of boundary information (GPS coordinates, digital maps, RFID tag data) instead of relying solely on physical barriers. The wireless boundary is a digital copy of the physical property line, allowing precise boundary definition without constructing new physical structures.
3Ease of operation
If traditional security methods like passwords and MAC address filtering are used to protect wireless networks, then access control is provided, but security effectiveness decreases due to easy subversion
Solution Approach 1:
The patent implements continuous feedback loops through location tracking software and boundary marker transmitters that constantly monitor user position relative to authorized zones. Access permissions are dynamically adjusted based on real-time location data, automatically revoking access when users leave authorized areas. This continuous feedback makes security enforcement reliable and difficult to subvert.
Solution Approach 2:
The patent replaces traditional mechanical/security-based access control (passwords, MAC filtering) with a location-based electronic system using GPS, RFID, and wireless signal analysis. This substitution creates a more reliable security mechanism that is harder to subvert while maintaining ease of operation through automated location-based permission management.
Data Source
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AI summary
A system and method for defining a boundary within a wireless coverage area using a physical access control system (PACS) and limiting access to the wireless network to devices located within the boundary area is provided. The system includes a PACS for controlling access to a secured area defined by the boundary to authorized personnel and a wireless network generating system for generating a wireless network. Access to the wireless network is limited to devices associated with an authorized personnel when the authorized personnel is determined to be within the secured area and denied to devices associated to personnel determined to be outside the secured area.