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Wireless communication network handovers of wireless user equipment that execute low-latency applications

專(zhuān)利號(hào)
US11991563B2
公開(kāi)日期
2024-05-21
申請(qǐng)人
T-MOBILE INNOVATIONS LLC（US KS Overland Park）
發(fā)明人
Zheng Cai
IPC分類(lèi)
H04W36/00; H04W4/024; H04W4/20; H04W40/36
技術(shù)領(lǐng)域
ue,latency,upf,asf,5gnr,rrcf,handover,cu,target,low
地域： KS KS Overland Park

摘要

A wireless communication device executes a low-latency application in a source wireless communication network based on application context that comprises an application user identifier, an application session identifier, and an application session pointer. A target wireless communication network detects a hand-in of the wireless communication device, and in response, obtains the application context for the wireless communication device from the source wireless communication network. The target wireless communication network wirelessly exchanges low-latency data with the wireless communication device for the low-latency application based on the application context that comprises the application user identifier, the application session identifier, and the application session pointer.

說(shuō)明書(shū)

NRF 423 receives registrations from UPFs that indicate their IDs and ASF support. NRF 423 receives registrations from ASFs that indicate their IDs and low-latency application support. AMF 421 receives attachment signaling for UE 401 from CU 415. AMF 421 and UE 401 exchange authentication signaling over source CU 415. AMF 421 selects SMF 422 to serve UE 401. AMF 421 and core SMF 422 exchange session signaling that directs SMF 422 to serve UE 401 with low-latency communications. SMF 422 uses NRF 423 to select source UPF 431 and source ASF 433 to serve UE 401 with low-latency communications. SMF 422 and source UPF 431 exchange N4 signaling that directs UPF 431 to serve UE 401 with low-latency communications to source ASF 433. AMF 421 and source CU 415 exchange N2 signaling that directs CU 415 to serve UE 401 with the low-latency communications.

權(quán)利要求

1
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