Access Network Discovery and Selection Policy for Wireless Routing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current wireless communication systems, particularly in LTE and NR (5G) technologies, face challenges in optimizing data traffic routing policies across different network architectures, leading to inefficiencies in resource allocation and network performance.
Innovation Solution
The implementation of an Access Network Discovery and Selection Policy (ANDSP) that allows user equipment (UE) to select and communicate data traffic policies regardless of registration to either the evolved packet core (EPC) or fifth-generation core network (5GCN), enabling flexible and efficient data routing across various access networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data traffic routing policies are optimized for specific network architectures (EPC or 5GCN), then network performance is improved for that specific architecture, but adaptability across different network architectures deteriorates
Solution Approach 1:
The patent applies universality by designing the ANDSP to function across multiple network architectures (EPC and 5GCN) without requiring architecture-specific implementations. The policy framework is constructed to be architecture-agnostic, allowing the same policy mechanism to serve different core network types while maintaining optimal performance for each.
Solution Approach 2:
The patent utilizes parameter changes by enabling dynamic selection of routing policies based on network conditions and architecture type. The system can adjust policy parameters such as routing decisions, access network selection criteria, and data traffic management settings to optimize performance for the specific network architecture while maintaining overall adaptability.
2Reliability
If routing policies are strictly enforced based on network registration status, then policy control is improved, but ease of operation deteriorates due to complex registration requirements
Solution Approach 1:
The patent applies self-service by enabling the UE to autonomously select and apply routing policies based on its registration status and network conditions. The UE independently determines which policy to use (ANDSP for 5GCN or traditional policies for EPC) without requiring manual configuration or complex operator intervention, simplifying operation while maintaining control.
Solution Approach 2:
The patent utilizes dynamics by implementing flexible policy selection that adapts to changing network conditions and registration states. The system can dynamically switch between different routing policies based on real-time factors such as network availability, UE registration status, and operational requirements, making the system more responsive and easier to operate.
3Adaptability or versatility
If access network discovery and selection policies are implemented uniformly across all UEs, then adaptability is improved, but device complexity increases due to policy selection logic
Solution Approach 1:
The patent applies preliminary action by pre-configuring UEs with multiple routing policies (including ANDSP) during device setup or initial network registration. The UE stores these policies in advance with associated selection criteria, so when actual routing decisions are needed, the UE can quickly select the appropriate policy without performing complex real-time analysis, reducing operational complexity.
Solution Approach 2:
The patent utilizes segmentation by dividing the policy selection process into distinct, manageable components. The UE maintains separate policy sets for different network architectures and scenarios, with clear differentiation between EPC-specific and 5GCN-specific policies. This segmentation allows the UE to systematically evaluate and select policies based on simple registration status checks rather than complex unified logic.
Data Source
AI summary
Certain aspects of the present disclosure provide techniques for selecting policies for routing of data traffic. Certain aspects provide a method for wireless communication by a user-equipment (UE). The method generally includes selecting at least one policy for routing of data traffic to a network, wherein the policy comprise an access network discovery and selection policy (ANDSP) if the UE has the ANDSP provisioned regardless of whether the UE is registered to evolved packet core (EPC) or fifth-generation core network (5GCN), and communicating the data traffic to the network based on the selection.