Wireless Mobility Reporting for LBT Failure Differentiation
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Solution Overview
Problem
Existing mobility procedures in wireless communication systems operating in unlicensed spectrum lack sufficient information to distinguish between mobility issues and LBT-related failures, leading to suboptimal configuration adjustments and increased transmission delays.
Innovation Solution
Enhanced reporting mechanisms that include enriched RLF and RA reports with additional information on LBT failures and impact of unlicensed spectrum operation, allowing network nodes to differentiate between mobility and LBT issues and optimize configurations accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If existing mobility procedures are used in unlicensed spectrum, then transmission delays occur due to inability to distinguish LBT failures from mobility issues, but implementing enhanced reporting mechanisms increases device complexity
Solution Approach 1:
The patent introduces an intermediary indicator (e.g., a specific field in RLF or RA reports) that acts as a mediator between the LBT failure detection mechanism and the mobility management system. This indicator carries differentiated information about whether a failure is due to LBT issues or mobility problems, allowing the network to respond appropriately without requiring complete redesign of the reporting infrastructure.
Solution Approach 2:
The patent modifies existing reporting parameters by adding specific indicators or flags to current RLF and RA report structures. Instead of creating entirely new reporting mechanisms, the solution changes parameters within existing reports to include LBT failure differentiation information, thereby reducing the complexity increase while maintaining the ability to distinguish failure types.
2Reliability
If enhanced reports with LBT failure information are implemented, then mobility robustness improves through targeted adjustments, but report information volume increases
Solution Approach 1:
The patent extracts only the essential differentiation information (LBT failure indicator) from the complex set of possible failure causes and embeds it in the reports. Instead of reporting all possible failure details, the solution selectively extracts and transmits only the critical indicator needed for mobility robustness optimization, thereby limiting information volume increase.
Solution Approach 2:
The patent segments the failure information into distinct categories (LBT-related vs. mobility-related) and uses specific indicators to mark each type. This segmentation allows the network to process only the relevant portion of the report for specific optimization actions, reducing the effective information processing burden despite the increased report size.
3Measurement precision
If network nodes perform differentiation between mobility and LBT issues, then configuration optimization accuracy improves, but processing complexity increases
Solution Approach 1:
The patent implements a feedback mechanism where the enriched reports with LBT failure indicators are sent back to the network node, which then uses this feedback information to adjust its configuration decisions. The feedback loop enables automated differentiation and optimization without requiring complex real-time analysis, as the indicator provides pre-processed failure classification.
Solution Approach 2:
The patent enables the system to self-differentiate between LBT and mobility issues through automated indicator-based classification in the reports. The network node uses the embedded indicators to automatically determine the failure type and apply appropriate configurations without requiring manual intervention or complex external analysis systems.
Data Source
AI summary
A method, system and apparatus are disclosed. According to one or more embodiments, a network node configured to communicate with a wireless device, where the network node configured to: receive an enriched report that has been enriched with enrichment information, where the enrichment information is related to an impact of unlicensed wireless spectrum operation on mobility procedures, and perform at least one action associated with a mobility related procedure, where the at least one action is associated with at least on the enrichment information.