Conditional Secondary Node Change in 5G Mobile Systems
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The 5G mobile communication system faces challenges in conditional secondary node change, particularly in efficiently managing and configuring secondary node changes to optimize data transfer and coverage, especially with the introduction of millimeter wave frequencies and diverse antenna technologies.
Innovation Solution
A method and apparatus for providing configuration information for conditional secondary node change, where a terminal receives and transmits specific identities and messages to manage conditional reconfiguration based on measurement configurations, allowing for delayed or immediate reconfiguration of secondary cells, optimizing data transfer and reducing service interruptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conditional secondary node change is implemented to optimize data transfer and coverage, then service interruption time is reduced, but device complexity increases due to multiple measurement configurations and reconfiguration evaluations
Solution Approach 1:
The patent segments the reconfiguration process into multiple independent configurations, each with its own measurement criteria and execution conditions. The terminal maintains multiple conditional reconfiguration configurations separately, evaluating each independently based on their specific measurement results, thereby managing complexity through structured division while ensuring service continuity.
Solution Approach 2:
The patent implements preliminary action by pre-configuring multiple conditional reconfiguration configurations in advance, each with predetermined measurement criteria and target nodes. When measurement conditions are met, the corresponding pre-configured reconfiguration is executed immediately, reducing service interruption time while the pre-structured configurations help manage complexity.
2Adaptability or versatility
If multiple measurement configurations are supported for different secondary nodes, then adaptability is improved, but device complexity increases due to multiple identities and configuration management
Solution Approach 1:
The patent applies universality by designing a unified conditional reconfiguration configuration structure that can handle multiple secondary nodes and different measurement types (intra-frequency, inter-frequency, inter-RAT) through a common framework. Each configuration uses the same basic structure with node-specific parameters, allowing the system to manage diverse configurations adaptably while maintaining manageable complexity through standardized design.
3Measurement precision
If conditional reconfiguration evaluation is performed based on SN measurement configuration, then measurement precision is improved, but loss of time occurs during configuration evaluation and node selection
Solution Approach 1:
The patent applies preliminary action by pre-configuring measurement configurations and evaluation criteria for multiple secondary nodes before actual handover is needed. The terminal evaluates measurement results against pre-set conditions, and when conditions are met, the corresponding reconfiguration executes immediately. This pre-structuring reduces real-time evaluation time while maintaining precise measurement-based selection.
Data Source
AI summary
A method and apparatus for secondary base station change in a mobile communication system are provided. Method for secondary node change includes receiving conditional reconfiguration information from the base station, transmitting to the base station a first response message with an transaction identifier, performing evaluation based on the configuration generated by a second base station and transmitting a second response message with an identifier indicating which conditional reconfiguration is executed.