UE Handover Information Reporting for Mobility Failure Analysis
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing systems fail to effectively report successful handover and failure-related information from user equipment (UE) to the network, particularly in scenarios where radio link failures occur shortly after successful handovers, hindering network optimization and mobility configuration adjustments.
Innovation Solution
The UE indicates the availability of successful handover and failure-related information in an indication message and transmits this information to the base station (BS) upon request, with timers managing the retention of this data to ensure efficient data management and network optimization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the UE stores and reports both successful handover information and failure related information, then the network can perform comprehensive optimization, but the device complexity and signaling overhead increase
Solution Approach 1:
The patent segments the information reporting into two distinct types: successful handover information and failure related information. Each type is managed independently with separate availability indications and timer mechanisms, reducing the complexity of managing combined information while enabling comprehensive network optimization.
2Loss of information
If the UE retains failure related information for 48 hours, then more analysis data is available for the network, but the memory usage and potential security risks increase
Solution Approach 1:
The patent implements a preliminary timer mechanism that automatically clears stored information after a predetermined period (48 hours). This preliminary action ensures that information is retained long enough for network analysis while automatically removing it before it becomes a security risk or consumes excessive memory resources.
3Speed
If the UE sends availability indication messages frequently, then the network can quickly request needed information, but the signaling overhead increases
Solution Approach 1:
The patent implements periodic availability indication messages sent by the UE at scheduled intervals. This periodic action ensures the network is promptly notified when information becomes available without requiring continuous signaling, thereby balancing fast notification with reduced signaling overhead and energy consumption.
Data Source
AI summary
Disclosed are methods and apparatuses for reporting successful handover related information and/or failure related information by a user equipment to a base station. One embodiment of the subject application provides a method performed by a user equipment, including indicating, in an indication message, availability of successful handover related information and/or availability of failure related information, and transmitting the successful handover related information and/or the failure related information to a base station (BS) in response to reception of a request message from the BS, wherein the request message is based on the indication message.