Relay UE-to-Network Sidelink Resource Allocation
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Solution Overview
Problem
The mechanisms for activating ProSe UE-to-Network Relay service and the relationships between network slice and RAN profile in 5G wireless networks are unclear, necessitating procedures for relay network slice and RAN profile provisioning and radio access mechanisms for efficient radio resource management.
Innovation Solution
The implementation provides methods for network slice provisioning and sidelink radio access mechanisms, including relay network slice configuration, sidelink resource allocation, and protocol stack functions for relay services, allowing relay UE and remote UE to operate on appropriate component carriers and manage radio resources effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If relay network slice and RAN profile provisioning procedures are established, then the clarity and reliability of relay service activation is improved, but the system complexity and configuration overhead increases
Solution Approach 1:
The provisioning procedure is segmented into distinct phases: network slice selection, RAN profile configuration, and relay service activation. Each phase handles specific configuration tasks independently, reducing overall complexity while ensuring reliable service establishment through structured step-by-step provisioning.
Solution Approach 2:
Network slices and RAN profiles are pre-configured and selected before relay service activation. The network slice is identified and reserved in advance, and RAN profile parameters are prepared beforehand, enabling smooth relay service activation without ad-hoc configuration complexity during the actual service setup.
2Productivity
If RAN provides control for relay UE and remote UE to operate on appropriate component carriers, then radio resource management efficiency is improved, but the access mechanism complexity increases
Solution Approach 1:
The RAN monitors the operation of relay UE and remote UE on assigned component carriers and provides feedback control. Based on radio conditions and resource utilization, the RAN adjusts component carrier assignments and transmission parameters, optimizing radio resource management through continuous feedback while maintaining manageable access mechanisms.
Solution Approach 2:
The RAN control mechanism is designed to universally manage multiple relay UEs and remote UEs across different component carriers using a unified access procedure. This multi-functional approach allows the same control framework to handle various scenarios (different UEs, carriers, and service types) without requiring separate complex access mechanisms for each case.
Data Source
AI summary
A method for a relay user equipment (UE) to forward packets between a base station and a remote UE is disclosed. The method includes assigning network functions by the base station to at least one of the remote UE and the relay UE for a relay network slice, and selecting one or more sidelink radio resources and a corresponding RAN profile for forwarding the packets between the remote UE and the relay UE, where the selecting the one or more sidelink radio resources includes sending a sidelink-measurement configuration from the base station to at least one of the remote UE and the relay UE. The sidelink-measurement configuration includes a list of sidelink-candidate component carriers having licensed band and/or unlicensed band component carriers.