Network Switching Control for Non-Public Cellular Networks

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Solution Overview

Problem

User equipment in mixed public and non-public cellular networks faces challenges in properly utilizing non-public cellular networks, requiring effective communication control methods to enable seamless switching and network management between different types of cellular networks.

Innovation Solution

A communication control method that involves transmitting network information between base stations and user equipment, allowing for connection switching, network management, and broadcasting system information to facilitate user equipment in selecting the appropriate network for service type, thereby enabling efficient utilization of non-public cellular networks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If user equipment connects to public cellular network, then network coverage and service availability are improved, but network security and data privacy are compromised

Engineering Contradiction:

Improvenetwork coverageVSAvoiddata privacy

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent segments the cellular network into public and non-public portions, allowing user equipment to selectively connect to appropriate network segments based on service requirements and security considerations

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The base station acts as an intermediary that receives connection requests, determines the appropriate network type (public or non-public), and routes the user equipment to the suitable network segment, thereby protecting user data privacy while maintaining service availability

Inventive Principle:

Principle #24Intermediary (Mediator)

2Adaptability or versatility

If user equipment switches between public and non-public cellular networks, then service flexibility and adaptability are improved, but connection management complexity increases

Engineering Contradiction:

Improveservice flexibilityVSAvoidconnection management

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The base station is designed with multi-functionality to handle both public and non-public network connections, perform connection type determination, and manage switching operations, thereby simplifying the overall system while providing flexible service adaptability

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system implements feedback mechanisms where the base station receives connection requests, determines the appropriate network type, and provides routing decisions back to the user equipment, enabling automated connection management without increasing user-side complexity

Inventive Principle:

Principle #23Feedback

3Object-affected harmful factors

If non-public cellular network is used, then data privacy and network security are improved, but network coverage and service availability are reduced

Engineering Contradiction:

Improvedata privacyVSAvoidnetwork coverage

Core Design Contradiction:

Object-affected harmful factorsVSReliability

Solution Approach 1:

The patent merges public and non-public cellular networks into a unified system where user equipment can access both network types through a single base station interface, thereby combining the security benefits of non-public networks with the coverage advantages of public networks

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS20220408352A1Communication control method

Publication Date: 2022.12.22 KYOCERA CORP

AI summary

A communication control method includes transmitting, by a user equipment connecting to a first base station belonging to a non-public cellular network, to the first base station, a message for the user equipment to perform connection switching from the non-public cellular network to a public cellular network, and performing, by the first base station, control for the connection switching based on the message received from the user equipment.