Packet Gateway Selection via Alias APNs for Device Capabilities
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Solution Overview
Problem
Current network provisioning mechanisms fail to optimally anchor user devices to packet gateways based on their capabilities, leading to suboptimal connections and increased latency when users switch from LTE to 5G devices, affecting user experience.
Innovation Solution
Implement a method that provisions user devices with a generic access point name (APN) and maintains a list of alias APNs mapped to device capabilities, allowing the network to select the appropriate packet gateway based on device capabilities and load balancing, ensuring optimal connections and minimizing latency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current network provisioning mechanisms are used, then existing DNS resolution frameworks are maintained, but gateway selection does not optimize for device capabilities leading to increased latency
Solution Approach 1:
The patent segments the APN selection process by introducing alias APNs that are mapped to specific device capabilities. Instead of using a single generic APN, the system divides the APN space into multiple alias APNs (e.g., apn-5g.alias, apn-4g.alias) that correspond to different capability sets, enabling capability-based gateway selection while maintaining DNS framework compatibility
Solution Approach 2:
The patent introduces alias APNs as intermediary elements between the device capability information and the gateway selection process. These alias APNs serve as mediators that carry capability mappings without requiring direct modification of the DNS resolution framework, allowing the network to select appropriate gateways based on device capabilities while maintaining existing DNS infrastructure
2Loss of time
If gateway selection is optimized based on device capabilities, then service latency is reduced, but network provisioning complexity increases
Solution Approach 1:
The patent makes the alias APN mechanism universal by implementing it within the existing APN framework. The alias APNs can be used with any device capability set and work across different network configurations. This multi-functional approach allows the same mechanism to handle various capability scenarios (5G-only, 4G-only, dual-mode devices) without requiring separate provisioning mechanisms for each case
Solution Approach 2:
The patent performs preliminary action by pre-configuring the mapping between alias APNs and device capabilities in the network side. The capability-to-alias-APN mappings are established in advance, allowing the network to quickly select appropriate gateways without performing complex real-time analysis. This pre-provisioning of capability mappings reduces the complexity of real-time gateway selection decisions
3Measurement precision
If alias APNs are introduced for capability-based selection, then gateway anchoring accuracy improves, but DNS framework modifications are required
Solution Approach 1:
The patent applies the nested doll principle by embedding the capability mapping information within the existing APN structure. The alias APNs are nested within the APN framework, and the capability-to-alias-APN mappings are nested within the network provisioning system. This nesting allows the system to maintain gateway anchoring accuracy while minimizing modifications to the DNS framework, as the alias APNs can be resolved through existing DNS mechanisms
Data Source
AI summary
Methods, apparatus, and systems for selecting appropriate gateway servers for user devices with different device capabilities are disclosed. In one example aspect, a wireless communication method includes provisioning multiple wireless electronic devices of a user with a first access point name, and receiving, from a wireless electronic device of the multiple wireless electronic devices of the user, a request for establishing a data session. The method also includes determining, in part based on a capability of the wireless electronic device, a second access point name that is different from the first access point name and selecting a packet gateway server corresponding to the capability of the wireless electronic device using the second access point name. The method further includes establishing the data session between the packet gateway server and the wireless electronic device.