IAB Node Resource Availability Configuration for Child Nodes
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Solution Overview
Problem
In next-generation integrated access and backhaul (IAB) systems, there is a need for a method to efficiently set the availability of child link-specific resources, particularly in complex environments with multiple parent IAB nodes, multiple child IAB nodes, and scenarios involving SDM/FDM operation between IAB nodes.
Innovation Solution
The proposed method involves an IAB node transmitting a resource direction configuration and a resource availability configuration to its child nodes, allowing for the dynamic setting of resource availability on a child link-specific basis. This configuration can differentiate between hard, soft, and not-available resources, enabling flexible resource management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single resource availability configuration is applied to all child nodes, then the system complexity is reduced, but the communication efficiency and resource utilization deteriorate in complex IAB deployment scenarios
Solution Approach 1:
The patent segments the resource availability configuration by introducing child node identifiers to differentiate between multiple child nodes. Each child node receives a specific resource availability configuration tailored to its characteristics, rather than applying a single unified configuration to all child nodes. This segmentation enables optimized resource allocation for each child node while maintaining manageable system complexity through structured configuration management.
Solution Approach 2:
The patent applies local quality by allowing different resource availability configurations for different child nodes based on their specific requirements and characteristics. Each child node can have customized resource allocation parameters, timing configurations, and availability settings that are locally optimized for its specific role and performance needs within the IAB network.
2Adaptability or versatility
If resource availability is dynamically adjusted for each child node, then the resource utilization improves, but the configuration complexity and signaling overhead increase
Solution Approach 1:
The patent utilizes parameter changes by introducing configurable resource availability parameters that can be dynamically adjusted for each child node. These parameters include resource allocation patterns, timing configurations, and availability indicators that can be modified based on network conditions and child node requirements. The system maintains adaptability through parameterization while managing complexity through standardized parameter sets and configuration procedures.
3Reliability
If child node-specific resource configurations are implemented, then the overall system performance improves, but the signaling overhead and configuration management burden increase
Solution Approach 1:
The patent applies universality by designing a multi-functional resource availability configuration mechanism that can serve multiple child nodes with different requirements through a standardized framework. The configuration system can universally handle various child node types and scenarios using common signaling structures and procedures, reducing the need for separate specialized configurations for each child node and thereby minimizing signaling overhead.
Data Source
AI summary
Disclosed are a method and a device for configuring resource availability for an IAB node, in which, on the basis of first availability information commonly applied to a plurality of child nodes and second availability information applied to a specific child node, availability of a specific resource for the specific child node is configured to be an unavailable resource.