Wireline Access Gateway QoS Mapping for Wireless-Wireline Convergence
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Solution Overview
Problem
Conventional quality of service (QoS) handling techniques struggle to effectively manage QoS across both wireless and wireline networks, leading to bottlenecks, service degradation, and inefficient use of network resources when data sessions span across both types of networks.
Innovation Solution
A method performed by a wireline access gateway function (W-AGF) that involves receiving QoS profiles from a core network node, mapping PDU Set QoS parameters to wireline access user plane QoS levels, and reserving wireline access resources based on these levels to ensure seamless and high-quality communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional QoS handling techniques are used independently for wireless or wireline networks, then the QoS requirements can be satisfied within each network type, but bottlenecks and service degradation occur when data sessions span both wireless and wireline networks
Solution Approach 1:
The patent combines wireless and wireline QoS handling into a unified framework by introducing a wireline access gateway function that coordinates QoS parameters across both network types. The gateway maps QoS parameters from one network type to the other, enabling seamless end-to-end QoS management for data sessions that traverse both wireless and wireline networks, thereby eliminating bottlenecks and service degradation.
Solution Approach 2:
The wireline access gateway function serves as an intermediary between wireless and wireline networks. It receives QoS parameters from the wireless network side, translates them into appropriate wireline QoS parameters, and ensures consistent QoS enforcement across the hybrid network path. This intermediary role resolves the contradiction by enabling coordinated QoS management without sacrificing reliability or productivity.
2Device complexity
If QoS handling focuses on either wireless or wireline networks independently, then the system complexity remains manageable, but the architecture becomes non-scalable when extending to multi-network scenarios
Solution Approach 1:
The wireline access gateway function is designed with multi-functionality to handle QoS mapping between wireless and wireline networks. It can translate QoS parameters in both directions and support multiple network types, making the architecture scalable to future network extensions without requiring complete redesign. This universal approach maintains manageable complexity while enabling adaptability across diverse network scenarios.
Solution Approach 2:
The patent segments the QoS handling function into a dedicated wireline access gateway component that operates independently from the core wireless and wireline network systems. This segmentation allows the gateway to manage the complexity of cross-network QoS translation without burdening the entire system, while the modular architecture enables easy scalability by adding or modifying gateway instances as needed.
3Reliability
If data sessions span through both wireless and wireline networks, then network coverage and service continuity are improved, but resource allocation becomes inefficient and bottlenecks occur
Solution Approach 1:
The wireline access gateway performs preliminary QoS parameter mapping and resource reservation before data sessions are established across wireless and wireline networks. By pre-configuring appropriate QoS parameters and reserving necessary resources in advance, the gateway ensures efficient resource utilization and prevents bottlenecks during actual data transmission, while maintaining service continuity across the hybrid network path.
Data Source
AI summary
Various methods and systems of the present disclosure provide a protocol data unit (PDU) set based quality of service (QoS) handling in a wireline access. To support the PDU Set based QoS handling in the wireline access, one or more PDU Set QoS parameters and/or PDU Set information may be provided to one or more wireline nodes (e.g., a wireline gateway access function (W-AGF) and/or a residential gateway (RG) etc.). When the W-AGF receives one or more N2 requests associated with one or more PDU session resources, the W-AGF maps one or more QoS profiles received from 5G core (5GC) to a wireline access user plane (W-UP) QoS level. The W-AGF sets up one or more W-UP resources based on the W-UP QoS level for a PDU session. Further, various methods and systems of the present disclosure also provide low latency, low loss, and scalable throughput (L4S) enabled wireline access.