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

專利號
US11991563B2
公開日期
2024-05-21
申請人
T-MOBILE INNOVATIONS LLC（US KS Overland Park）
發(fā)明人
Zheng Cai
IPC分類
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.

說明書

RELATED CASES

This United States Patent Application is a continuation of U.S. patent application Ser. No. 17/713,359 that was filed on Apr. 5, 2022 and is entitled “WIRELESS COMMUNICATION NETWORK HANDOVERS OF WIRELESS USER EQUIPMENT THAT EXECUTE LOW-LATENCY APPLICATIONS.” U.S. patent application Ser. No. 17/713,359 is hereby incorporated by reference into this United States Patent Application. U.S. patent application Ser. No. 17/713,359 is a continuation of U.S. Pat. No. 11,368,881 that was filed on Dec. 15, 2020 and is entitled “WIRELESS COMMUNICATION NETWORK HANDOVERS OF WIRELESS USER EQUIPMENT THAT EXECUTE LOW-LATENCY APPLICATIONS.” U.S. Pat. No. 11,368,881 is hereby incorporated by reference into this United States Patent Application.

TECHNICAL BACKGROUND

Wireless communication networks provide wireless data services to wireless user devices. Exemplary wireless data services include machine-control, internet-access, media-streaming, and social-networking. Exemplary wireless user devices comprise phones, computers, vehicles, robots, and sensors. The wireless communication networks have wireless access nodes which exchange wireless signals with the wireless user devices over radio frequency bands. The wireless signals use wireless network protocols like Fifth Generation New Radio (5GNR), Long Term Evolution (LTE), Institute of Electrical and Electronic Engineers (IEEE) 802.11 (WIFI), and Low-Power Wide Area Network (LP-WAN). The wireless access nodes exchange network signaling and user data with network elements that are often clustered together into wireless network cores. The wireless access nodes are connected to the wireless network cores over backhaul data links.

權(quán)利要求

1
What is claimed is:1. A method to serve a wireless communication device that executes a low-latency application, the method comprising:detecting a hand-in of the wireless communication device that was executing the 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;in response to the hand-in, obtaining the application context for the wireless communication device from the source wireless communication network; andwirelessly exchanging 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.2. The method of claim 1 wherein the low-latency application comprises a video-conferencing application.3. The method of claim 1 wherein the low-latency application comprises an augmented-reality application.4. The method of claim 1 wherein the low-latency application comprises a vehicle-navigation application.5. The method of claim 1 wherein the low-latency application comprises a remote-keyboard application.6. The method of claim 1 wherein the low-latency application comprises a machine-control application.7. The method of claim 1 wherein the application context further comprises a low-latency application version.8. A method of operating a wireless communication network to serve a wireless communication device that executes a low-latency application, the method comprising:a wireless access node detecting a hand-in of the wireless communication device that was executing the 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;the wireless access node transferring a handover notice for the wireless communication device;an application server receiving the handover notice for the wireless communication device, and in response, obtaining the application context for the wireless communication device from the source wireless communication network;the application server exchanging low-latency data for the low-latency application with the wireless access node based on the application context that comprises the application user identifier, the application session identifier, and the application session pointer; andthe wireless access node exchanging the low-latency data for the low-latency application with the application server and wirelessly exchanging the low-latency data for the low-latency application with the wireless communication device.9. The method of claim 8 wherein the low-latency application comprises a video-conferencing application.10. The method of claim 8 wherein the low-latency application comprises an augmented-reality application.11. The method of claim 8 wherein the low-latency application comprises a vehicle-navigation application.12. The method of claim 8 wherein the low-latency application comprises a remote-keyboard application.13. The method of claim 8 wherein the low-latency application comprises a machine-control application.14. The method of claim 8 wherein the application context for the wireless communication device further comprises a low-latency application version.15. A wireless communication network to serve a wireless communication device that executes a low-latency application, the wireless communication network comprising:a wireless access node to detect a hand-in of the wireless communication device that was executing the 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;the wireless access node to transfer a handover notice for the wireless communication device;an application server to receive the handover notice, and in response, to obtain the application context for the wireless communication device from the source wireless communication network;the application server to exchange low-latency data for the low-latency application with the wireless access node based on the application context that comprises the application user identifier, the application session identifier, and the application session pointer; andthe wireless access node to exchange the low-latency data for the low-latency application with the application server and to wirelessly exchange the low-latency data for the low-latency application with the wireless communication device.16. The wireless communication network of claim 15 wherein the low-latency application comprises a video-conferencing application.17. The wireless communication network of claim 15 wherein the low-latency application comprises an augmented-reality application.18. The wireless communication network of claim 15 wherein the low-latency application comprises a vehicle-navigation application.19. The wireless communication network of claim 15 wherein the low-latency application comprises a remote-keyboard application.20. The wireless communication network of claim 15 wherein the low-latency application comprises a machine-control application.
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