Dynamic cell reselection

By optimizing service status indication and intelligent reselection of user equipment in 5G network nodes, the efficiency issues of service management and user equipment connection in network energy-saving mode are solved, achieving low power consumption and high-quality service provision.

CN120642454APending Publication Date: 2025-09-12DELL PROD LP
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Patent Information

Application Number
CN202380093424.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-02-08
Filing Date
2023-10-26
Publication Date
2025-09-12

AI Technical Summary

Technical Problem

In 5G mobile communication systems, how network nodes efficiently manage service activities and user equipment connections in energy-saving mode, especially how to optimize service provision and user equipment reselection processes in network energy-saving mode to reduce power consumption and ensure service quality.

Method used

By receiving and sending service activity messages and broadcasting service status indications in the network energy-saving mode through the radio access network node, the connection establishment process of the user equipment is optimized, and the service status information is transmitted using the Xn interface or backhaul link. The user equipment performs intelligent reselection based on signal strength and service availability and selects the most appropriate network node to provide services.

Benefits of technology

It achieves efficient management of service activities in network energy-saving mode, reduces power consumption, ensures service quality and connection stability of user equipment, and optimizes network resource utilization.

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Abstract

A radio access network node exchanges network energy saving mode information indicating services or quality that will be active during an active network energy saving mode period corresponding to the node via an interface between the nodes or via a core network backhaul communication link. The idle mode user equipment may initiate a connection with one of the nodes having the determined highest signal strength by monitoring and decoding information block information indicating that the supported service or quality will be deactivated during the network energy saving mode. The information block information may indicate another one of the nodes that may provide one of the deactivated services during a network energy saving mode corresponding to the node transmitting the information block information. The user equipment may connect to other nodes for service even if the determined signal strength of the other nodes is not the highest signal strength of the node.
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