Terminal MBS Failure Reporting for Network Optimization
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Solution Overview
Problem
In the context of multicast/broadcast services (MBS) in radio communication, existing technologies face challenges in accurately determining the cause of handover failures or radio link failures (RLF), leading to poor network optimization.
Innovation Solution
The proposed solution involves a method where a terminal device obtains failure information, including service information associated with MBS services, and transmits this information to a network side device. This service information includes details such as service identifiers, delivery modes, priorities, and failure indication, enabling the network side device to accurately determine the cause of failures and optimize network parameters accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the UE selects a cell with the best signal quality as a target cell for handover or cell reselection, then the signal quality is improved, but the continuity of MBS service deteriorates
Solution Approach 1:
The patent applies local quality by making the cell selection criteria service-dependent. For MBS services, the UE prioritizes cells that support the required service delivery mode (broadcast or multicast) over cells with merely better signal quality. This localized adjustment to the selection criteria ensures service continuity while maintaining acceptable signal quality.
Solution Approach 2:
The patent changes the selection parameters from purely signal quality metrics to a composite criteria that includes service support capability. The UE modifies its cell evaluation parameters to weight service delivery mode compatibility higher than signal quality when MBS services are active, thereby resolving the contradiction between signal quality and service continuity.
2Productivity
If the network side device determines the cause for failure based on failure information reported from the UE, then the network optimization is performed, but the accuracy of cause determination deteriorates for MBS service scenarios
Solution Approach 1:
The patent implements feedback by having the UE explicitly report whether it prioritized MBS service continuity over signal quality in its cell selection decision. This feedback mechanism provides the network side device with accurate information about the cause of handover failures, enabling precise network optimization without misinterpreting the failure reasons.
Solution Approach 2:
The patent segments the failure information into distinct categories, including a specific indicator for MBS service-related failures. By separating MBS service continuity decisions from general handover failures, the network can accurately determine the cause and apply appropriate optimization strategies specific to MBS scenarios.
Data Source
AI summary
Embodiments of the present invention provide an information processing method and apparatus. The method is applied to a terminal device, and comprises: acquiring failure information that the terminal device fails, the failure information comprising service information related to an MBS service executed and/or supported by the terminal device; and sending the failure information to a network side device. In the information processing method provided by the embodiments of the present invention, the failure information sent to the network side device by means of flexible configuration comprises the service information related to the MBS service, so as to allow for the network side device to accurately determine the cause of the failure of the terminal device, thereby more accurately optimizing and adjusting network parameters.