Network Node Controller for 5G Emergency Message Duplication
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Solution Overview
Problem
In 5G radio communication systems, there is a risk of duplicate emergency information delivery when a user device is connected to both 5GC and EPC networks via a base station, leading to inefficient message delivery.
Innovation Solution
A network node with a controller that manages emergency information delivery across multiple core networks, preventing duplicate activations by ensuring that emergency information is only delivered through the primary core network, and a transmitter that facilitates message delivery to the base station for user devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a base station device is connected to multiple core networks (5GC and EPC) to support both 5G and 4G networks, then network coverage and compatibility are improved, but duplicate emergency information delivery occurs causing message delivery inefficiency
Solution Approach 1:
The system performs preliminary actions by having the first core network send indication information to the network node in advance, before duplicate emergency information delivery occurs. This indication information pre-configures the network node to identify and filter out duplicate emergency information messages from the second core network, preventing the duplication problem before it manifests.
Solution Approach 2:
The network node acts as an intermediary between the first core network, second core network, and user device. It receives indication information from the first core network, uses this information to identify duplicate emergency information from the second core network, and selectively forwards only non-duplicate messages to the user device, thus resolving the contradiction between multi-network support and message delivery efficiency.
2Reliability
If emergency information delivery is activated by multiple core networks simultaneously, then comprehensive emergency coverage is improved, but duplicate message delivery occurs causing system resource waste
Solution Approach 1:
The system implements feedback by having the first core network send indication information to the network node about which emergency information has been delivered. The network node uses this feedback to identify and block duplicate emergency information messages from the second core network, ensuring comprehensive emergency coverage while preventing system resource waste from duplicate deliveries.
Solution Approach 2:
The first core network performs preliminary action by sending indication information in advance to the network node, establishing a reference set of delivered emergency information. This preliminary configuration enables the network node to proactively identify and prevent duplicate deliveries before they consume system resources, maintaining both reliability and efficiency.
Data Source
AI summary
A network node for connecting to a plurality of base station devices, the plurality of base station devices each being connected to one or a plurality of core networks belonging to different systems, the network node including a controller that controls delivery of emergency information identical to delivery of emergency information activated by a first core network of the plurality of core networks so that the delivery of the emergency information identical to the delivery of the emergency information activated by the first core network of the plurality of core networks is prevented from being activated by a core network other than the first core network; and a transmitter that transmits a message for a base station device to deliver emergency information.