Reference Signal Subset Reporting for Adaptive Beam Measurements
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Solution Overview
Problem
Existing wireless communication systems face challenges in efficiently managing beamforming and measurement resources, particularly in high-frequency bands, leading to suboptimal performance and resource utilization.
Innovation Solution
A configurable measurement resource system is implemented, where user equipment (UE) and base stations (BS) dynamically adjust reference signal (RS) configurations and measurements, enabling dynamic indications and reports to optimize beam management and resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If dynamic indication for subset of reference signals is implemented, then beamforming efficiency is improved, but device complexity increases
Solution Approach 1:
The reference signal set is divided into multiple subsets, where each subset corresponds to different beamforming scenarios or frequency ranges. The UE is configured with multiple measurement resource sets, and only the relevant subset is activated for measurement based on current network conditions, thereby improving beamforming efficiency while managing complexity through selective activation.
Solution Approach 2:
The patent implements dynamic indication mechanisms where the network can dynamically select and indicate which subset of reference signals should be measured by the UE. This dynamic configuration allows the system to adapt measurement resources to varying network conditions, traffic patterns, and channel characteristics, optimizing beamforming performance without requiring the UE to continuously process all possible reference signals.
2Reliability
If measurement resources are increased for high-frequency bands, then coverage and quality are improved, but resource utilization efficiency deteriorates
Solution Approach 1:
The patent applies different measurement resource configurations to different frequency bands and geographic locations. For high-frequency bands requiring better coverage, the system configures appropriate reference signal densities and measurement frequencies locally, while using more efficient configurations in other bands or locations. This localized optimization ensures communication quality where needed without wasting resources system-wide.
Solution Approach 2:
The system dynamically adjusts measurement resource parameters such as reference signal periodicity, bandwidth, and density based on channel conditions, frequency band characteristics, and network load. When channel conditions are good, measurement resources are reduced; when quality requirements increase, resources are scaled up appropriately, optimizing the balance between communication quality and resource efficiency.
Data Source
AI summary
Methods and apparatuses for configurable measurement resources and reporting in a wireless communication system. A method for operating a user equipment (UE) includes receiving configuration information for a set of reference signals (RSs) and receiving a dynamic indication for a subset of the set of RSs. The method further includes performing a first measurement of the subset of RSs and transmitting a first report based on the first measurement.


