Radio Resource Control Diversity for 5G Handover Reliability
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Solution Overview
Problem
Current mobile telecommunications systems, particularly in the transition to 5G, face challenges in providing robust and efficient radio resource control diversity, especially in scenarios involving dual connectivity and handover between different radio access technologies like LTE and NR, which can lead to radio link failures and inefficient resource management.
Innovation Solution
The implementation of a base station and user equipment circuitry configured for radio resource control diversity, enabling the transmission and reception of configured radio resource control messages across multiple radio access technologies, allowing for dynamic RRC message generation and diversity sets based on link quality and user equipment mobility, thereby enhancing handover performance and resource utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If radio resource control diversity is implemented across multiple radio access technologies, then handover performance and robustness are improved, but system complexity increases
Solution Approach 1:
The patent segments the radio resource control functionality by separating control plane and user plane connections. The control plane connection uses a first radio access technology (e.g., LTE) while the user plane connection uses a second radio access technology (e.g., NR), allowing independent optimization of each plane and simplifying the overall control mechanism.
Solution Approach 2:
The patent introduces a control plane connection as an intermediary between the user equipment and the network. This control plane connection acts as a mediator that manages the diversity configuration and coordinates between different radio access technologies, reducing the complexity at the user equipment level.
2Reliability
If dual connectivity is used to provide robust radio resource control, then reliability is improved, but resource management efficiency deteriorates
Solution Approach 1:
The patent implements dynamic resource allocation where the network can flexibly assign resources based on real-time conditions. The control plane connection can dynamically switch between different radio access technologies or adjust resource allocation to optimize both robustness and efficiency during handovers.
Solution Approach 2:
The patent changes key parameters such as the radio access technology type, connection modes, and resource allocation configurations. By dynamically adjusting these parameters based on network conditions and UE capabilities, the system achieves both robustness through diversity and efficiency through optimized resource management.
3Reliability
If control plane and user plane are physically separated, then robustness is improved, but device complexity increases
Solution Approach 1:
The patent applies segmentation by separating control plane and user plane into distinct connections. The control plane connection handles signaling and control functions using a first radio access technology, while the user plane connection handles data transmission using a second radio access technology, improving robustness through functional separation.
Solution Approach 2:
The patent makes the control plane connection serve multiple functions: it manages control signaling, coordinates resource allocation, and enables diversity configuration. This multi-functionality reduces the need for separate dedicated control mechanisms, thereby managing complexity while maintaining robustness.
Data Source
AI summary
A base station for a mobile telecommunications system has circuitry, which is configured to communicate with at least one user equipment and at least another base station. The circuitry is further configured to configure a radio resource control message for radio resource control diversity, and transmit the configured radio resource control message to the user equipment or to receive a configured radio resource control message from the user equipment and the at least another base station.