One-Way Delay Measurement in Multi-Access Networks
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Solution Overview
Problem
Current systems for measuring one-way delay (OWD) in multi-access networks face challenges in accurately estimating link quality and dynamically balancing traffic loads across multiple network paths, particularly in IoT environments with diverse and changing network conditions.
Innovation Solution
The implementation of enhanced OWD measurement methods within the Multi-Access Management Services (MAMS) framework, which includes specific protocols and architectures for IoT devices, allows for precise OWD measurement across access links and network paths, enabling dynamic traffic balancing and improved network performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional OWD measurement methods are used in multi-access networks, then network paths can be established, but accurate estimation of link quality and dynamic traffic balancing cannot be achieved
Solution Approach 1:
The patent segments the OWD measurement process into distinct components: probe request messages, probe response messages, and measurement reports. Each component handles a specific aspect of measurement, allowing accurate link quality estimation without requiring complex integrated systems. The segmentation enables independent optimization of measurement functions while maintaining overall system simplicity.
Solution Approach 2:
The patent introduces probe request and probe response messages as intermediary elements between network nodes and measurement entities. These intermediary messages carry measurement information without requiring direct complex interactions between all network components. The intermediaries simplify the measurement architecture by providing standardized interfaces for information exchange.
2Reliability
If enhanced OWD measurement methods are implemented, then link quality estimation improves, but measurement overhead and network complexity increase
Solution Approach 1:
The patent applies partial action by measuring OWD only for specific network paths and conditions rather than continuously monitoring all possible paths. The measurement is triggered selectively based on network state and requirements, reducing unnecessary measurement traffic while maintaining sufficient accuracy for reliable link quality estimation and traffic balancing decisions.
Solution Approach 2:
The patent implements feedback mechanisms where measurement results are used to adjust network routing decisions and traffic balancing policies. The feedback loop ensures that measurement efforts are directed toward areas needing improvement, and successful paths are reinforced, reducing the need for exhaustive measurements and optimizing the measurement-acting cycle.
3Productivity
If dynamic traffic balancing is enabled, then network performance improves, but real-time measurement and control complexity increases
Solution Approach 1:
The patent performs preliminary OWD measurements and link quality estimations before making traffic routing decisions. By preparing measurement data in advance and using it for predictive routing, the system avoids complex real-time calculations during actual traffic flow, simplifying the control system while maintaining dynamic balancing capability.
Solution Approach 2:
The patent implements dynamic adaptation where routing decisions are adjusted based on changing network conditions and measurement results. The system dynamically selects measurement parameters and routing strategies according to current network state, allowing flexible traffic balancing without requiring overly complex predetermined control rules for all possible scenarios.
Data Source
AI summary
Systems, methods, and computer-readable storage media for measuring one-way delay in multi-access networks (MAMS) are provided. Other embodiments may be described and/or claimed.