UE Capability Signaling for MBS and Unicast Configuration
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Solution Overview
Problem
Existing wireless communication systems face challenges in managing UE capability and assistance signaling for multicast broadcast services (MBS) in 5G and beyond, particularly when a UE receives broadcast and unicast services from networks belonging to the same or different operators, leading to suboptimal configuration and user experience due to incorrect assessment of baseband resource capabilities.
Innovation Solution
The UE sends UE capability and assistance information to the network based on specific events, such as changes in service reception, allowing the network to adjust configurations through RRC reconfiguration messages, thereby optimizing device performance and user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the network assumes full baseband resource capability for simultaneous broadcast and unicast services, then service coverage and accessibility are improved, but configuration accuracy and resource utilization deteriorate due to incorrect UE capability assessment
Solution Approach 1:
The patent implements feedback mechanisms where the UE reports its actual baseband resource capability status to the network. The network receives feedback information indicating whether the UE is engaged in broadcast service reception, and uses this feedback to dynamically adjust unicast service configurations, ensuring accurate capability assessment while maintaining service coverage.
Solution Approach 2:
The patent enables dynamic configuration adjustment based on real-time UE capability status. The network can modify unicast service parameters dynamically according to the UE's current broadcast service engagement state, transitioning from static assumption to dynamic adaptation, thereby resolving the contradiction between coverage and accuracy.
2Productivity
If the network provides conservative configuration assuming full baseband resource usage, then resource allocation efficiency is improved, but service performance and user experience deteriorate due to overly restrictive configurations
Solution Approach 1:
The patent applies preliminary action by having the network pre-configure unicast services with optimized parameters based on anticipated UE capability states. The network proactively adjusts configurations before service degradation occurs, rather than reacting to failures, thereby maintaining both efficiency and reliability.
3Device complexity
If the network does not adjust configuration based on UE broadcast service status, then system complexity is reduced, but configuration optimality and user experience deteriorate
Solution Approach 1:
The patent implements local quality by applying differentiated configuration strategies based on UE state. Instead of uniform configuration across all UEs, the network applies specific configuration adjustments only to UEs currently engaged in broadcast service reception, optimizing resources locally without increasing overall system complexity.
Data Source
AI summary
Embodiments herein disclose methods for handling user equipment (UE) capability information and assistance information during a Multicast Broadcast Service (MBS) in a wireless communication system by a UE. The method includes receiving at least one event from a second network. Further, the method includes sending a message comprising at least one of the UE capability information and the assistance information to a first network based on the at least one received event. Further, the method includes receiving an RRC reconfiguration message comprising at least one of an addition of UE configuration, release of the UE configuration and modification of the UE configuration from the first network based on the message.