System and method for handover signaling reduction

By dividing configuration information into public and dedicated parts in the wireless communication system, and using PTM transmission and conditional handover conditions, the signaling overhead and service continuity problems during UE handover process in the NTN environment are solved, and more efficient UE handover and system performance are achieved.

CN119654909APending Publication Date: 2025-03-18APPLE INC
0 Cites 0 Cited by

Patent Information

Application Number
CN202280098842.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2022-08-08
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

In the non-terrestrial network (NTN) environment, existing wireless communication systems have a large number of signaling overhead and service continuity challenges during the handover process of UEs, especially under the complex conditions brought about by the large size and mobility of NTN cells.

Method used

By dividing the configuration information used for the target serving cell into a common configuration and a dedicated configuration, and using a point-to-multipoint (PTM) transmission mechanism, the common configuration information is sent to multiple UEs, reducing signaling overhead. At the same time, conditional handover conditions and differential configuration information are introduced to optimize the handover process of the UE.

Benefits of technology

It effectively reduces signaling overhead during UE handover, improves service continuity and cell processing capabilities, and adapts to the large size and mobility of NTN cells.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

Systems and methods discussed herein relate to handover signaling reduction in the case of handover of one or more user equipments (UEs) from a source serving cell of a source base station to a target serving cell of a target base station based on common configuration information for operating on the target serving cell and dedicated configuration information for each particular UE. In various cases, point-to-multipoint (PTM) transmissions include common configuration information for the UEs, a handover command instructs the UE to independently acquire the common configuration information from a system information block (SIB) of the target serving cell, or a handover command for the UE instructs the UE to reuse the common configuration for the source serving cell. Handover commands may be used to provide dedicated configuration information for each UE. Configuration-related communications sent over the Xn interface and the F1 interface are also discussed.
Need to check novelty before this filing date? Find Prior Art