Beam Failure Recovery Across Multiple TRP Beam Groups
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current beam failure recovery mechanisms in high-frequency band communications systems are inadequate for multiple Transmission Reception Points (TRPs), leading to poor beam failure recovery effects for terminals.
Innovation Solution
A method and apparatus for beam failure recovery that triggers an event based on multiple beam failure detection reference signal groups (BFD RS) and sends a beam failure recovery request (BFRQ) when specific conditions are met, allowing for improved recovery in scenarios involving multiple TRPs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single BFD RS scenario is used for beam failure recovery, then the recovery mechanism is simple, but the beam failure recovery effect is poor in multi-TRP environments
Solution Approach 1:
The patent segments the BFD RSs into multiple groups (first BFD RS group, second BFD RS group, etc.), each associated with different TRPs. This segmentation allows the system to independently manage beam failure recovery for each TRP, improving reliability in multi-TRP environments while maintaining manageable complexity through structured organization.
Solution Approach 2:
The patent introduces a new dimension by grouping BFD RSs according to TRP associations rather than treating them individually. This dimensional change from single-TRP to multi-TRP perspective enables the system to handle beam failure recovery across multiple transmission reception points simultaneously, enhancing overall reliability.
2Reliability
If multiple BFD RS groups are supported, then beam failure recovery effectiveness is improved, but the complexity of configuring and managing BFD RSs increases
Solution Approach 1:
By segmenting BFD RSs into distinct groups with clear TRP associations, the patent simplifies the configuration and management process. Each group can be independently configured and managed, reducing the overall complexity compared to handling all BFD RSs as a single complex entity.
Solution Approach 2:
The patent creates a universal framework that can handle multiple BFD RS groups and TRPs using the same basic beam failure recovery mechanism. This multi-functional approach allows the system to scale to multiple TRPs without requiring separate specialized mechanisms for each, thereby managing complexity while improving effectiveness.
3Speed
If beam failure recovery is performed for each BFD RS group independently, then recovery speed is improved, but the overall system complexity increases
Solution Approach 1:
The patent segments the beam failure recovery process into independent operations for each BFD RS group. When a beam failure occurs in one group, only that group's recovery procedure is executed, enabling fast localized recovery without triggering system-wide complexity increases.
Solution Approach 2:
Each BFD RS group operates as a self-contained unit with its own beam failure detection and recovery mechanisms. This self-service capability allows independent recovery operations that do not require coordination with other groups, improving speed while keeping system complexity manageable through modular independence.
Data Source
AI summary
A beam failure recovery method and apparatus, a terminal, and a storage medium, are provided. The method includes: triggering a beam failure event in a first condition; and sending a Beam Failure Recovery reQuest (BFRQ) in a case that the beam failure event occurs, where the first condition and/or the BFRQ are/is related to M Beam Failure Detection Reference Signal BFD RS groups, and M is a positive integer greater than 1.