Base Station Selection for Time Resiliency
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Solution Overview
Problem
Current communication networks face challenges in efficiently managing and optimizing the communication protocols and network architecture, particularly in handling diverse wireless devices and technologies, leading to suboptimal performance and resource allocation.
Innovation Solution
The implementation of a service-based architecture within the core network, which includes multiple user plane functions and untrusted access, enables flexible configuration and management of network resources, allowing for efficient communication protocols and optimized resource allocation across various wireless devices and technologies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a wireless device connects to a base station with poor time synchronization, then connection flexibility is improved, but time resiliency and service reliability deteriorate
Solution Approach 1:
The system performs preliminary time synchronization assessment before establishing a connection. The wireless device measures time synchronization status of candidate base stations and uses this information in advance to select an appropriate base station, preventing connection issues before they occur
Solution Approach 2:
The system implements feedback mechanisms where time synchronization status is continuously monitored and reported. The wireless device reports measured time synchronization status back to the network, enabling dynamic adjustment of base station selection and connection parameters to maintain time resiliency
2Adaptability or versatility
If the network uses traditional base station selection methods, then device compatibility is improved, but time synchronization performance and service quality deteriorate
Solution Approach 1:
The system performs preliminary time synchronization assessment before establishing a connection. The wireless device measures time synchronization status of candidate base stations and uses this information in advance to select an appropriate base station, preventing connection issues before they occur
Solution Approach 2:
The system changes the selection parameters from traditional signal strength-based metrics to include time synchronization status as a key parameter. This allows the network to select base stations that not only have good signal coverage but also maintain accurate time synchronization, thereby improving time synchronization performance
3Speed
If the network prioritizes connection establishment speed, then service responsiveness is improved, but time synchronization accuracy and service reliability deteriorate
Solution Approach 1:
The system performs preliminary time synchronization assessment during the connection establishment process itself, rather than as a separate post-connection step. This allows the wireless device to identify and connect to time-synchronized base stations quickly, maintaining both speed and accuracy
Solution Approach 2:
The system dynamically adjusts the base station selection criteria based on service requirements. For time-sensitive services, time synchronization status becomes a primary selection criterion, while for less time-critical services, the system can prioritize connection speed, allowing flexible optimization based on real-time conditions
Data Source
AI summary
A first base station determines, based on a second time service capability information of a second base station, a handover of a wireless device to the second base station. The first base station sends, to the second base station, a handover request message.