Access Control Barring Timer Management via Dedicated Signaling
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Solution Overview
Problem
In LTE and NR communication systems, there is a lack of optimization for T30x or T302 timers across different application scenarios, affecting access control barring efficiency.
Innovation Solution
A method and apparatus that allow a base station to configure dedicated signaling for user equipment (UE) to restart or continue T30x or T302 timers based on specific conditions, enhancing the UE's ability to manage these timers effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a unified AC barring mechanism is introduced for NR communication system, then the access control barring can be applied to terminals in idle state, inactive state, and connected state, but the lack of optimization for T30x or T302 timers in different application scenarios reduces the efficiency and adaptability of access control barring
Solution Approach 1:
The patent applies dynamics by enabling the timer management to be flexible and adaptable rather than fixed. The base station can dynamically control whether the UE restarts the T30x or T302 timer through dedicated signaling (RRC message or MAC CE), allowing the system to adapt timer behavior to different application scenarios and network conditions, thereby resolving the contradiction between broad applicability and operational efficiency
Solution Approach 2:
The patent changes the parameter control approach by introducing dedicated signaling that can modify timer restart behavior. The base station can indicate through specific signaling parameters whether the UE should restart the barring timer upon receiving certain messages, enabling parameter optimization for different scenarios without changing the overall unified AC barring mechanism structure
2Reliability
If the T30x or T302 timer is running without optimization, then the access control barring mechanism remains simple to implement, but the reliability of access control barring is reduced due to inability to handle different application scenarios
Solution Approach 1:
The patent introduces dedicated signaling (RRC message or MAC CE) as an intermediary between the base station and UE timer management. This intermediary carries instructions that control whether the UE restarts the T30x or T302 timer, enabling reliable scenario-specific control without requiring complex UE-side decision logic, thus improving reliability while keeping device complexity manageable
Solution Approach 2:
The patent implements feedback mechanisms where the base station monitors network conditions and UE behavior, then sends dedicated signaling to adjust timer restart behavior accordingly. This feedback loop enables the system to adapt to different application scenarios dynamically, improving access control barring reliability through condition-based timer management
Data Source
AI summary
A method and apparatus for access control barring are disclosed. The method may include a base station configuring, for user equipment (UE), a dedicated signaling for indicating whether to restart a designated timer. The designated timer may be a timer started by the UE for barring access control. The base station may also include send the dedicated signaling to the UE, so that the UE stops or continues to run the designated timer based on the dedicated signaling.