Base Station User-Plane Congestion Control for Mixed Devices
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Solution Overview
Problem
Existing communication networks face challenges in managing user plane congestion, particularly in scenarios involving a mix of wireless devices with varying capabilities and technologies, leading to inefficiencies in data transmission and quality of service.
Innovation Solution
Implementing a flexible base station architecture that selectively applies congestion control mechanisms based on device capabilities, traffic load, and network conditions, utilizing service-based architectures and network functions to optimize user plane operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a base station transmits data to multiple wireless devices using different technologies and capabilities, then network coverage and device compatibility are improved, but user plane congestion and quality of service degradation occur
Solution Approach 1:
The patent applies local quality by configuring different congestion control parameters for different wireless devices based on their specific capabilities and requirements. Each device receives tailored congestion control settings (e.g., different buffer sizes, transmission rates, or priority levels) rather than a uniform approach, allowing the base station to maintain high quality of service for each device while supporting diverse technologies and capabilities.
2Ease of operation
If congestion control mechanisms are applied uniformly to all wireless devices, then implementation simplicity is maintained, but data transmission efficiency and quality of service deteriorate
Solution Approach 1:
The patent implements dynamic congestion control where the base station continuously monitors network conditions, device capabilities, and traffic patterns, then adjusts congestion control parameters in real-time. This dynamic adaptation allows the system to optimize data transmission efficiency for each device based on current conditions while maintaining manageable complexity through automated parameter adjustment rather than manual configuration.
3Reliability
If the base station increases processing to manage diverse device capabilities, then quality of service is improved, but base station complexity and computational load increase
Solution Approach 1:
The patent applies preliminary action by having wireless devices report their capabilities, requirements, and constraints to the base station during initial connection or registration. The base station stores this information and uses it to pre-configure appropriate congestion control parameters before actual data transmission begins. This advance preparation reduces the need for complex real-time decision-making and processing during active data sessions, thereby improving quality of service while managing base station complexity.
Data Source
AI summary
A first base station receives, from a second base station, a request for a congestion level of a bearer. The first base station sends, to the second base station, the congestion level of the bearer.