Application-Specific Access Control for Wireless Networks
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Solution Overview
Problem
Current wireless communication systems lack an efficient method for application-specific access control, particularly for public safety and mission critical push to talk (MCPTT) services, which is essential for managing access attempts during emergencies and preventing network overload.
Innovation Solution
A method and apparatus for performing application-specific access control in wireless communication systems, where user equipment (UE) receives access control-related system information to determine whether access attempts for specific applications are allowed, allowing for prioritization and categorization of public safety applications like MCPTT, and skipping access class barring (ACB) checks and random access backoff based on configured settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If access control is implemented for all applications during emergencies, then network overload is prevented, but public safety applications cannot access the network timely
Solution Approach 1:
The patent segments access control into application-specific categories, distinguishing between public safety applications (MCPTT) and regular applications. This segmentation allows differential access control policies where public safety applications are exempt from barring while other applications are restricted during emergencies, resolving the contradiction between network stability and access speed for critical services.
Solution Approach 2:
The patent applies local quality by implementing access control measures selectively for specific applications rather than uniformly across all applications. Public safety applications receive preferential treatment with exempt access, while other applications undergo standard barring checks, allowing the system to maintain stability without compromising critical service access.
2Reliability
If application-specific access control is implemented, then public safety applications get priority access, but system complexity increases
Solution Approach 1:
The patent implements preliminary action by pre-configuring access control parameters and application identifiers in the UE before emergencies occur. The UE stores barring configuration information and application-specific identifiers in advance, allowing rapid determination of access eligibility during emergencies without complex real-time analysis, thus reducing operational complexity while maintaining effective access control.
Data Source
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AI summary
A method and apparatus for performing application specific access control in a wireless communication system is provided. A user equipment (UE) receives access control related system information from a network, identifies initiation of a specific application, and determines whether or not access attempt for the specific application is allowed, based on the received access control related system information. Accordingly, the UE may determine whether or not to skip access control barring (ACB) check for the specific application, or whether or not to skip random access backoff for the specific application.