Beam Failure Measurement for Overlapping Reference Signals
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Solution Overview
Problem
Existing wireless communication systems face challenges in accurately measuring beam failure in overlapping reference signals, which can lead to reduced network performance and connectivity issues.
Innovation Solution
Implementing a mechanism to measure beam failure by analyzing overlapping reference signals using specific criteria and protocols, such as beam failure detection and recovery procedures, to enhance network stability and connectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If beam failure measurement is performed on overlapping reference signals, then measurement accuracy improves, but signal interference increases
Solution Approach 1:
The patent segments the measurement process by introducing a measurement window that selectively includes or excludes overlapping reference signals based on their timing relationships. This allows the system to measure beam failure using non-overlapping signals while avoiding interference from overlapping ones, thereby maintaining measurement accuracy without suffering from signal interference.
Solution Approach 2:
The patent performs preliminary analysis of reference signal overlapping relationships before conducting beam failure measurement. By determining in advance which reference signals overlap and establishing measurement windows that avoid these overlapping signals, the system proactively prevents interference issues before they affect measurement accuracy.
2Object-affected harmful factors
If measurement windows are configured to avoid overlapping reference signals, then signal interference is reduced, but measurement time increases
Solution Approach 1:
The patent implements dynamic measurement window configuration that adapts to the actual timing relationships between reference signals. The measurement window is flexibly adjusted based on the determined overlapping relationships, allowing the system to achieve interference-free measurements in the shortest possible time by optimizing the window position and duration for each specific scenario.
Solution Approach 2:
The patent changes the timing parameters of measurement windows based on the analyzed reference signal patterns. By adjusting window start times, durations, and positions according to the specific overlapping relationships detected, the system optimizes measurement efficiency while maintaining interference avoidance, thereby reducing overall measurement time.
3Reliability
If beam failure detection procedures are enhanced, then network reliability improves, but system complexity increases
Solution Approach 1:
The patent implements a feedback mechanism where the determined overlapping relationships of reference signals are used to dynamically configure measurement windows for beam failure detection. This feedback loop enables the system to automatically adapt to changing signal conditions, improving network reliability through accurate beam failure detection without requiring complex manual configuration or intervention.
Solution Approach 2:
The system performs self-configuration of measurement windows by automatically determining reference signal overlapping relationships and adjusting measurement parameters accordingly. This self-service capability reduces the need for external configuration and simplifies system operation while maintaining high detection accuracy and network reliability.
Data Source
AI summary
A wireless device may receive one or more radio resource control (RRC) configuration parameters indicating: one or more beam detection sets; and identifiers of two reference signals (RSs). During at least one symbol in which the two RSs overlap, the wireless device may measure for beam failure: both of the two RSs based on the two RSs being from different beam detection sets of the one or more beam detection sets; and at least one of the two RSs based on the two RSs being from a same beam detection set of the one or more beam detection sets.