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Method for end-to-end (E2E) user equipment (UE) trajectory network automation based on future UE location

專利號(hào)
US10785634B1
公開日期
2020-09-22
申請(qǐng)人
Telefonaktiebolaget LM Ericsson (publ)(SE Stockholm)
發(fā)明人
Virgilio Fiorese; Saulo Almeida Montenegro de Sa; Rakesh Bajpai; Vinicius Samuel Landi Fiorese; Tushar Sabharwal; Nipun Sharma; Rohit Shukla
IPC分類
H04W8/08; G06N5/04; H04W64/00
技術(shù)領(lǐng)域
ue,network,e2e,nwdaf,trajectory,mobility,in,or,node,plmn
地域: Stockholm

摘要

Methods and systems for End-to-End (E2E) User Equipment (UE) trajectory network automation are herein provided. According to one aspect, a network node for E2E UE trajectory network automation, such as a Network Data Analytics Function (NWDAF), receives, from a requesting entity, information identifying a future E2E UE trajectory, the E2E UE trajectory comprising a start location, an end location, and zero or more intermediate locations between the start location and the end location; calculates a E2E mobility trajectory prediction for the identified future E2E UE trajectory; and sends, to the requesting entity, the calculated E2E mobility trajectory prediction. The requesting entity may be a trusted entity or an untrusted entity, such as a Third Party Provider (3PP) outside of the trusted domain of the network. If the requesting entity selects a mobility trajectory, the network node sends mobility management and optimization information to a Radio Access Network node.

說明書

The ability to get information about future UE locations provides big benefits to a number of use cases. One such use case involves “connected cars”, a use case in which multiple network slices are used for multiple purposes during the whole trajectory of the vehicle. It is important to properly manage the different demands of these different slices. Currently, connected cars primarily connect for entertainment, data collection, and basic driving instructions. In the future, however, there will be Vehicle-to-Everything (V2X) demands over Ultra-Reliable Low-Latency Communication (URLLC), so it will be necessary to maintain the UE within reliable coverage as much as possible, e.g., within the Low Band. On the other hand, for entertainment network slices, the goal may be to keep the UE on cheaper cost per bandwidth slices (e.g., Millimeter Wave (mmWave)/High Band or Mid-Band) or even to off-load onto an unlicensed spectrum as much as possible. This task will be made significantly easier with the knowledge of future UE locations now made available by the systems and methods provided herein.

The concepts present herein are not limited to cars and trucks, however. The same concepts could be applied to aerial vehicles, such as UAVs, drones, or even airplanes, all of which also can have a Three-Dimensional (3D) UE mobility trajectory, e.g., one that also includes altitude. Having advance knowledge of the UE trajectory in a three dimensional geographic space allows an operator to adjust terrestrial and aerial (A2G) networks, which may involve the use of satellites, balloons, and beamforming of signals along the paths of these flying UEs.

Yet another application of knowledge of future UE locations is to provide sufficient network resources to crowded hot spots, such as airports, malls, sports arenas, and so on, to manage the high network demands.

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