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公开(公告)号：US20190166534A1
公开(公告)日：2019-05-30
申请号：US15828393
申请日：2017-11-30
Applicant: Google LLC
Inventor： Brian Williammee , Myra Nam , Xuan Zheng , Weihua Tan , Jean Choi
Abstract: A method includes receiving a carrier switching model, determining that user equipment (UE) is transitioning between carrier cells based on at least one connection performance metric of the UE, and obtaining a current UE location and any available carrier networks of carriers relative to the current UE location. The method also includes determining a carrier switch score for each available carrier network using the carrier switching model and determining to switch carrier networks based on the carrier switch score of a currently-connected available carrier network relative to the carrier switch score of another available carrier network. Each carrier switch score is based on at least one of a predicted signal strength or a predicted radio access technology over a threshold period of time for the respective available carrier network. The method also includes causing the UE to switch connection to the other available carrier network.
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公开(公告)号：US20210352573A1
公开(公告)日：2021-11-11
申请号：US16952781
申请日：2020-11-19
Applicant: Google LLC
Inventor： Myra Nam , Brian Williammee , Xinruo Sun , Xuan Zheng , Austin Small , Ziyi Jin , Nathan Harold , Ying Xu
Abstract: A network scan may be performed, and the best network may be selected in real time in the device after evaluating all available carriers whose network information is gathered by network scanning The network scan enables the device to fairly compare the connectivity of the available carrier services and can be used to improve the on-device network selection. The network scan may be further used in order to ensure the existence of a better carrier service before switching. Accordingly, this may reduce unnecessary poor switches to networks having lower quality connections and increase good switches to networks having better quality. The present disclosure provides for determining when to run network scan and how to use the scan results to make the cell network selection decision.
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公开(公告)号：US10708834B2
公开(公告)日：2020-07-07
申请号：US15828393
申请日：2017-11-30
Applicant: Google LLC
Inventor： Brian Williammee , Myra Nam , Xuan Zheng , Weihua Tan , Jean Choi
Abstract: A method includes receiving a carrier switching model, determining that user equipment (UE) is transitioning between carrier cells based on at least one connection performance metric of the UE, and obtaining a current UE location and any available carrier networks of carriers relative to the current UE location. The method also includes determining a carrier switch score for each available carrier network using the carrier switching model and determining to switch carrier networks based on the carrier switch score of a currently-connected available carrier network relative to the carrier switch score of another available carrier network. Each carrier switch score is based on at least one of a predicted signal strength or a predicted radio access technology over a threshold period of time for the respective available carrier network. The method also includes causing the UE to switch connection to the other available carrier network.
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