RAN Aggregation Priority Mechanism for WLAN Offloading Conflicts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing potentially conflicting triggers related to WLAN offloading rules and RAN aggregation for data bearers, leading to suboptimal communication performance.
Innovation Solution
A priority mechanism is implemented in user equipment (UE) to receive configuration information for RAN aggregation and WLAN offloading, determining a priority for communication based on this information to perform RAN aggregation or WLAN offloading accordingly, thereby resolving conflicts between RAN rules and aggregation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If both RAN aggregation and WLAN offloading rules are configured for data bearers, then network versatility and connectivity options are improved, but conflict management complexity and communication performance degradation occur
Solution Approach 1:
The patent changes the parameter of trigger handling by introducing a priority mechanism that assigns different priorities to RAN aggregation triggers and WLAN offloading triggers. When a conflict is detected between triggers for the same data bearer, the UE compares their priorities and executes only the higher-priority trigger, thereby resolving the conflict without requiring complex management logic.
2Adaptability or versatility
If both RAN aggregation and WLAN offloading rules are configured for data bearers, then network versatility is improved, but communication performance deteriorates
Solution Approach 1:
The patent introduces a priority parameter for triggers and changes the execution behavior based on this parameter. By assigning higher priority to RAN aggregation triggers over WLAN offloading triggers, the system ensures that aggregation operations (which maintain connectivity to the core network) take precedence, thereby preserving communication performance while still allowing WLAN offloading as a secondary option.
3Productivity
If priority mechanism is implemented to resolve conflicts, then communication performance is improved, but device complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-configuring priority levels for different types of triggers before conflicts occur. The base station provides configuration information that includes priority assignments for RAN aggregation triggers and WLAN offloading triggers. This preliminary setup allows the UE to quickly resolve conflicts using simple comparison logic rather than complex real-time decision-making.
Data Source
Figure 1~2
Figure 3
Figure 4
AI summary
Aspects generally relate to a priority mechanism for handing potentially conflicting triggers related to offloading rules and RAN aggregation. As described, a UE may receive, from a BS, configuration information for RAN aggregation of one or more data bearers and offloading rules for WLAN offloading. The UE may determine a priority for communicating using the RAN aggregation and offloading rules based, at least in part, on the received configuration information. The UE may perform the RAN aggregation or the WLAN offloading according to the offloading rules based on the determined priority. The priorities may be established in an effort to generally give priority to RAN aggregation over offloading rules and/or give priority to UE-specific instructions over broadcasted instructions.