Beam Management RRC Parameters for 5G Network Reliability
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Solution Overview
Problem
Current wireless communication systems face challenges in efficiently managing beam resources, particularly in enabling group-based beam reporting, beam failure detection, and power headroom reporting, which affect the overall performance and reliability of 5G and New Radio (NR) networks.
Innovation Solution
The implementation of methods for user equipment (UE) and base stations to receive and transmit RRC messages indicating the enablement of group-based beam reporting, configure channel management resource sets, measure signal strengths for beam failure detection, and select candidate beams for recovery, as well as manage power control parameters and quasi co-location assumptions for improved beam management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If group-based beam reporting is enabled, then beam management efficiency is improved, but device complexity increases
Solution Approach 1:
The beam reporting process is segmented into group-based reporting where multiple beams are reported together rather than individually. The RRC message structure is segmented to include specific indicators for group-based beam reporting enablement, allowing organized management of beam groups with associated resource configurations.
Solution Approach 2:
The system dynamically switches between different beam reporting modes (individual vs. group-based) through RRC signaling. The base station can enable or disable group-based beam reporting based on network conditions, and the UE adapts its reporting behavior accordingly, providing flexibility without permanent complexity increase.
2Reliability
If beam failure detection and recovery mechanisms are implemented, then reliability is improved, but measurement and detection difficulty increases
Solution Approach 1:
The system performs preliminary configuration of beam failure detection parameters and candidate beam identification before actual beam failure occurs. RRC messages pre-configure the UE with beam failure detection settings, reference signal configurations, and candidate beam lists, so that when beam failure detection is needed, the UE can immediately use these pre-prepared configurations without complex real-time decisions.
3Manufacturing precision
If detailed RRC messaging for beam management is used, then beam management precision is improved, but information overhead increases
Solution Approach 1:
The patent extracts and separates critical beam management information into dedicated RRC message fields. Specific indicators for group-based beam reporting, beam failure detection parameters, and candidate beam configurations are extracted into structured message elements, allowing precise configuration while organizing information efficiently to minimize redundant overhead.
Data Source
AI summary
A method of wireless communication performed by a user equipment (UE) includes measuring a signal strength of a beam failure detection (BFD) reference signal (RS), the BFD RS being included in a BFD RS set that corresponds to a transmission reception point (TRP) of a plurality of TRPs; the method further includes identifying a BFD threshold associated with the TRP, detecting a beam failure instance associated with the TRP based at least in part on a determination that the signal strength of the BFD RS satisfies the BFD threshold and, providing an indication of the beam failure instance associated with the TRP. Numerous other aspects are described.