Multi-Cell Beam Failure Recovery Using Candidate RS Sets
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing beams across multiple cells and transmission/reception points, leading to suboptimal performance and connectivity issues.
Innovation Solution
Implementing beam management techniques that facilitate efficient beam selection, failure recovery, and handover processes across multiple cells and transmission/reception points, utilizing hybrid beamforming and coordinated multi-point transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If beam management techniques are implemented across multiple cells and transmission/reception points, then wireless communication performance and signal quality are improved, but system complexity and coordination overhead increase
Solution Approach 1:
The patent segments beam management operations by separating serving cell beam procedures from non-serving cell beam procedures. This allows independent optimization and management of different cell types, reducing overall system complexity while maintaining performance benefits across multiple cells.
Solution Approach 2:
The patent introduces a new dimension of operation by enabling beam failure recovery procedures specifically for non-serving cells. This extends traditional single-cell beam management to multi-cell scenarios, improving reliability without requiring complete redesign of existing beam management frameworks.
2Reliability
If beam failure recovery procedures are implemented for non-serving cells, then connectivity reliability is improved, but processing time and computational resources increase
Solution Approach 1:
The patent performs preliminary identification of candidate beams for non-serving cells before actual beam failure occurs. By pre-configuring and evaluating potential recovery beams, the system reduces processing time during actual failure recovery events while maintaining improved connectivity reliability.
Data Source
AI summary
Methods, apparatuses, systems, etc. directed to beam management for, and/or for use in connection with, multiple cells and/or multiple transmission/reception points are provided. Among the methods is a method that may include any of determining first and second reference signals sets (RS sets) associated with first and second sets of beams; receiving information for first and second beam failure recovery (BFR) sets corresponding to the first and second RS sets, wherein the information indicates an RS set associated with candidate beams (CB-RS set) and an uplink resource set for each of the first and second BFR sets; determining beam failures based on the first and second RS sets; selecting the CB-RS set and UL resource set from the first or second BFR set; determining an RS of the selected CB-RS set; and transmitting information indicating the beam failures using uplink resources of the selected uplink resource set.