Multicast Broadcast Service Continuity Through Service-Specific Handover
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless communication systems face challenges in ensuring seamless multicast broadcast service continuity for user equipment (UE) during handovers, particularly in connected states, which can lead to service disruptions and suboptimal user experience.
Innovation Solution
A user equipment (UE) receives measurement configuration parameters for handover decisions associated with different types of services and transmits measurement reports, followed by a radio resource control (RRC) reconfiguration message for a target cell connection, enabling smooth handover and service continuity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional handover procedures are used for multicast broadcast services, then handover process is simplified, but service continuity is disrupted
Solution Approach 1:
The handover procedure is segmented into distinct phases: measurement configuration phase where the UE receives separate measurement configuration parameters for unicast and multicast services, reporting phase where measurement reports are transmitted, and execution phase where RRC reconfiguration is performed. This segmentation allows each phase to be optimized independently, ensuring service continuity while managing complexity.
Solution Approach 2:
Measurement configuration parameters are provided to the UE in advance before handover execution. The UE performs measurements and prepares measurement reports preliminarily, ensuring that all necessary information is ready before the actual handover occurs. This preliminary action prevents service disruption during the critical handover transition.
2Measurement precision
If measurement configuration parameters are provided for handover decisions, then handover accuracy is improved, but signaling overhead increases
Solution Approach 1:
Different measurement configuration parameters are provided for different service types (unicast and multicast). Each service type has its own optimized measurement parameters tailored to its specific requirements, ensuring high measurement precision for each service while avoiding the need to transmit unnecessary parameters for other services, thus reducing overall signaling overhead.
Data Source
AI summary
A system, method and apparatus for mobile communications including is provided. A user equipment (UE) receives measurement configuration parameters including one or more first measurement configuration parameters for handover decisions associated with one or more first services, the one or more first services associated with a first type of service and one or more second measurement configuration parameters for handover decisions associated with one or more second services. The first services are associated with a first type of service and the second services are associated with a second type of service. The UE transmits one or more measurement reports that include the two types of measurement information. The UE then receives a radio resource control (RRC) reconfiguration message indicating a handover to the target cell and establishes a connection with the target cell based on the received the RRC reconfiguration message.