Network Indication Bit Filtering for Home Visited Network Selection
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Solution Overview
Problem
5G networks do not provide users with information about available access technologies, services, and network capabilities, making it difficult for user devices to select optimal options, leading to resource wastage and suboptimal performance.
Innovation Solution
User devices receive a network indication with multi-bit indicators from the network, allowing them to determine their status as home or visited networks and select appropriate access technologies, services, and capabilities, optimizing performance and resource usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the network provides detailed information about access technologies, services, and capabilities to user devices, then user devices can select optimal network options and improve performance, but the network consumes additional processing and memory resources to generate and transmit this information
Solution Approach 1:
The patent extracts only the essential network selection information (access technology type, service availability, capability indicators) from the complete network configuration data and transmits only this extracted subset to user devices. This selective extraction reduces the information transmission load and processing requirements while providing sufficient data for optimal network selection, thereby resolving the contradiction between providing detailed information and conserving network resources.
2Adaptability or versatility
If the network transmits comprehensive network indication information to all user devices, then all devices can make informed selections, but unnecessary devices waste resources processing and storing information they cannot utilize
Solution Approach 1:
The patent implements local quality by tailoring the network indication information to match each user device's specific capabilities and requirements. The network assesses device characteristics and provides customized information sets - for example, providing 5G-specific information only to 5G-capable devices, or omitting certain service details for devices that cannot utilize those services. This targeted approach ensures all devices receive relevant information for informed selection while avoiding the waste of processing and storing unnecessary data, thus resolving the contradiction between adaptability and device complexity.
Data Source
AI summary
A user device provides, to a network, information associated with the user device, and receives, from the network, a multi-bit network indication that indicates access technologies, services, and network capabilities provided by the network. The user device determines whether the user device is in a home network or a visited network based on the multi-bit network indication. The user device passes bits of the multi-bit network indication to an upper layer when the user device is in the home network or passes a portion of the bits of the multi-bit network indication to the upper layer when the user device is in the visited network. The user device receives a selection of one of the access technologies, the services, or the network capabilities, and receives, from the network, the one of the access technologies, the services, or the network capabilities for the user device based on the selection.