Dynamic UE Antenna Resource Scheduling for 5G Beam Management
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Solution Overview
Problem
Current wireless communication technologies, such as LTE and 5G, face challenges in dynamically managing antenna resources across multiple interfaces, leading to inefficiencies in beam training and resource allocation, especially under changing channel conditions.
Innovation Solution
Implementing a method for dynamic scheduling of antenna resources by performing a beam sweep procedure across multiple wireless interfaces, generating scheduling information based on the results, and communicating this information to other nodes to optimize resource allocation and beam management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If antenna resources are statically allocated to specific wireless interfaces, then device complexity is reduced, but adaptability to changing channel conditions deteriorates
Solution Approach 1:
The patent implements dynamic scheduling of antenna resources where the network entity determines and signals which antenna resources should be used for specific wireless interfaces based on current channel conditions. This allows the system to adapt to changing environments while maintaining manageable complexity through centralized control and pre-defined scheduling schemes.
Solution Approach 2:
The system changes the allocation parameters of antenna resources dynamically by receiving scheduling information from the network entity that specifies which antenna resources are assigned to which wireless interfaces. This allows optimization of communication performance under varying channel conditions without requiring complex autonomous decision-making at the device level.
2Measurement precision
If beam sweep procedures are performed exhaustively across all antenna resources, then measurement precision is improved, but time consumption increases
Solution Approach 1:
The network entity performs preliminary determination of suitable antenna resources and communicates this scheduling information to the device before actual beam sweeping is performed. This preliminary action allows the device to focus beam training efforts on pre-identified promising antenna resources rather than exhaustively testing all possibilities, thereby reducing time while maintaining measurement quality.
Solution Approach 2:
Instead of performing exhaustive beam sweeping across all antenna resources, the system performs partial beam sweeping only on the antenna resources that have been scheduled and identified as suitable by the network entity. This partial action approach achieves sufficient measurement precision for practical purposes while significantly reducing the time required compared to exhaustive searching.
3Reliability
If antenna resources are dynamically reassigned based on channel conditions, then communication reliability is improved, but device complexity increases
Solution Approach 1:
The network entity acts as an intermediary that performs the complex task of determining suitable antenna resources and communicating scheduling decisions to the device. This intermediary approach allows the device to benefit from improved communication reliability through dynamic resource reassignment while the complexity of resource management is handled by the network entity rather than the device itself.
Solution Approach 2:
The device follows scheduling information provided by the network entity to automatically configure and use the appropriate antenna resources for each wireless interface. This self-service approach allows the device to adapt to changing channel conditions and maintain high communication reliability without requiring complex autonomous resource management capabilities, as the decision-making is outsourced to the network entity.
Data Source
AI summary
Certain aspects of the present disclosure provide techniques for dynamically scheduling antenna resources of a wireless node, such as, antenna panels of a user equipment (UE). In some cases, a first node (e.g., a UE) performs, with two or more other nodes, a first beam sweep procedure across two or more antenna resources of the first node on two or more wireless interfaces, generates or obtains scheduling information based on results of the first beam sweep procedure, wherein the scheduling information indicates which of the antenna resources is scheduled for which wireless interfaces, and communicates with the other nodes on the wireless interfaces according to the scheduling information.