Wireless Access Node Resource Sharing for Low-Latency Joint Service
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Solution Overview
Problem
Next-generation wireless communication systems face challenges in providing diverse non-radio-communication services to user equipment with low latency, as existing wireless access networks often encounter resource insufficiency and high latency when relying on upstream network nodes for assistance.
Innovation Solution
Wireless access network nodes share non-radio-communication service resources such as computing, intelligence, and storage with each other locally, allowing them to split tasks and provide joint services to user equipment with reduced latency by direct communication interfaces like X2AP and XnAP, rather than relying on upstream nodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If wireless access network nodes rely on upstream network nodes for non-radio-communication service resources, then service coverage can be extended, but service latency increases and resource sharing efficiency deteriorates
Solution Approach 1:
The patent segments the centralized upstream node architecture into distributed peer-to-peer connections between wireless access network nodes. Each node can directly request and share non-radio-communication service resources with adjacent nodes through direct interfaces (X2AP, XnAP), eliminating the single-point bottleneck of upstream nodes and reducing service latency while maintaining extended service coverage through the distributed network topology.
Solution Approach 2:
The patent implements a hierarchical resource sharing model where local non-radio-communication service resources are nested within individual wireless access network nodes, while the overall network forms a nested structure of interconnected nodes. This allows fast local resource access within each node while enabling broader network-wide resource sharing through the nested inter-node connections, thus reducing latency for common cases while maintaining extensibility.
2Loss of time
If wireless access network nodes share non-radio-communication service resources locally, then service latency is reduced, but resource utilization efficiency may worsen due to limited local resources
Solution Approach 1:
The patent introduces signaling messages (resource request messages, resource allocation messages, resource status messages) as intermediaries between wireless access network nodes. These standardized message protocols enable seamless resource requests and allocations between nodes, allowing a node with insufficient local resources to efficiently request resources from neighboring nodes through the intermediary messaging system, thus expanding resource availability while maintaining low latency through direct peer-to-peer communication.
3Productivity
If wireless access network nodes establish direct communication interfaces for resource sharing, then resource sharing efficiency improves, but device complexity increases
Solution Approach 1:
The patent implements universal standardized communication interfaces (X2AP, XnAP) that serve multiple functions: resource request signaling, resource allocation signaling, resource status reporting, and service coordination. This multi-functional interface design allows a single standardized protocol to handle all resource sharing operations between nodes, improving resource sharing efficiency while avoiding the complexity increase that would result from implementing separate specialized interfaces for each function.
Data Source
AI summary
This disclosure relates to method and device for serving a user equipment by a first wireless network node. In one implementation, the method may include transmitting a request message for a non-radio-communication service resource of a second wireless access network node to the second wireless access network node. The first wireless access network node may provide the user equipment with a non-radio-communication service and request the non-radio-communication service resource to assist to provide the non-radio-communication service to the user equipment. The method may further include receiving a response message allocating the non-radio-communication service resource for the user equipment from the second wireless access network node.