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公开(公告)号：US12004072B2
公开(公告)日：2024-06-04
申请号：US17432834
申请日：2019-02-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhenrong Wei , Li Shen , Yong Li
CPC classification number: H04W48/04 , H04W36/0011
Abstract: A network search method includes receiving, by a terminal device, a user operation, where the user operation requests communication with a network device by using a 5th Generation (5G) access technology; and when a cell with which the terminal device currently registers is a non-allowed area, searching for a second cell, where the second cell is an allowed area, so that the terminal device communicates with the network device in the second cell by using the 5G access technology. Therefore, when actively initiating a service, the terminal device in the non-allowed area may actively search for a cell that is an allowed area, to communicate with the network device by using the 5G access technology.
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公开(公告)号：US11910264B2
公开(公告)日：2024-02-20
申请号：US17269772
申请日：2019-08-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Li Shen , Zhenrong Wei , Guanzhong Tan , Jianhua Cai
CPC classification number: H04W36/32 , H04W36/14 , H04W48/18 , H04W84/042
Abstract: A method includes: obtaining a first geographical location in which UE is currently located; according to a correspondence between a geographical location and network information of a communications network, determining at least one second geographical location that, relative to the first geographical location, meets a preset proximity condition, and determining network information of at least one second communications network corresponding to each second geographical location; and performing network reselection processing based on at least the network information of the at least one second communications network corresponding to each second geographical location.
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公开(公告)号：US11252649B2
公开(公告)日：2022-02-15
申请号：US16967253
申请日：2018-02-05
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Kai Yuan , Xiaoyan Duan , Bo Zhang , Feifei Sui , Zhenrong Wei
Abstract: A switching method and a terminal device, which relate to the communications field. The switching method comprises: establishing, by a terminal device, a first packet data network PDN connection in a long term evolution LTE access network; switching, by the terminal device, the first PDN connection from the LTE access network to a wireless local area network WLAN access network; establishing, by the terminal device, a second PDN connection in the LTE access network, so that the terminal device is in a registered state in the LTE network; and switching, by the terminal device, the first PDN connection or a third PDN connection established in the WLAN access network, to the LTE access network.
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公开(公告)号：US20210321316A1
公开(公告)日：2021-10-14
申请号：US17269772
申请日：2019-08-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Li Shen , Zhenrong Wei , Guanzhong Tan , Jianhua Cai
Abstract: A method includes: obtaining a first geographical location in which UE is currently located; according to a correspondence between a geographical location and network information of a communications network, determining at least one second geographical location that, relative to the first geographical location, meets a preset proximity condition, and determining network information of at least one second communications network corresponding to each second geographical location; and performing network reselection processing based on at least the network information of the at least one second communications network corresponding to each second geographical location.
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5.发明授权公开(公告)号：US11589280B2
公开(公告)日：2023-02-21
申请号：US16976679
申请日：2018-03-27
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Zhenrong Wei , Hao Song , Shujun Dang , Caihua Huang
Abstract: This application provides a method for returning from a low-standard network to a high-standard network, to resolve a problem that a primary card of a terminal device in dual SIM dual standby single pass mode cannot return to the high-standard network after falling back from the high-standard network to the low-standard network during a data service. The method includes: detecting that a first subscriber identification module SIM card of the terminal device falls back from a first-standard network to a second-standard network; obtaining a registration status of a second SIM card, where the registration status includes an operator of the second SIM card and a network on which the second SIM card camps, and the first SIM card and the second SIM card enable the terminal device to work in the dual SIM dual standby single pass mode; obtaining a target standard network based on the registration status of the second SIM card; and registering the first SIM card with the target standard network.
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Patent Agency Ranking
公开(公告)号：US20220150778A1
公开(公告)日：2022-05-12
申请号：US17434259
申请日：2020-02-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Hui Jin , Zhenrong Wei , Fenghui Dou
Abstract: A method for transfer between communications systems includes establishing at least one first data connection channel in a first communications system, selecting at least one second data connection channel from the at least one first data connection channel, where the second data connection channel is included in the first data connection channel and is certain to support transfer from the first communications system to a second communications system or is uncertain whether to support transfer from the first communications system to the second communications system, and transferring the second data connection channel to the second communications system when the terminal device has been transferred from the first communications system to the second communications system.
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公开(公告)号：US20210282077A1
公开(公告)日：2021-09-09
申请号：US17256536
申请日：2018-07-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhenrong Wei , Li Shen , Hui Jin , Hao Song , Yanzhao He
Abstract: A network search method includes presetting, by a terminal device, a Public Land Mobile Network (PLMN) and a networking mode associated with the PLMN, searching, by the terminal device based on a geographical location to obtain PLMN information of a current geographical location, determining, by the terminal device based on the preset PLMN and the networking mode associated with the PLMN, a current networking mode of the terminal device, and switching, by the terminal device, the networking mode based on a geographical location, signal strength, and a system message.
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公开(公告)号：US20230164727A1
公开(公告)日：2023-05-25
申请号：US17921442
申请日：2021-04-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhenrong Wei , Hao Song
IPC: H04W60/00
CPC classification number: H04W60/00
Abstract: A network search method for SA 5G service auto-provisioning is disclosed, including: user equipment sends a registration request to a network side device to request to register the user equipment with a 5G network, and a networking mode of the 5G network is standalone networking SA; the user equipment receives a registration reject response from the network side device when no available 5G subscription data of the user equipment is obtained through query, where the registration reject response is used to notify the user equipment that the registration with the 5G network fails; the user equipment receives a notification short message from the network side device after the network side device provisions a 5G service for the user equipment; and the user equipment sends the registration request to the network side device again in response to the notification short message.
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公开(公告)号：US11576081B2
公开(公告)日：2023-02-07
申请号：US17255257
申请日：2018-07-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liwei Cui , Li Shen , Kai Yuan , Haibo Xu , Zhenrong Wei
Abstract: A data link quality-based offloading method in dual connectivity includes determining a quality of a bearer link on a user equipment UE side by determining and setting, determining a quality of a radio link by parameters or conditions such as timing advance (TA) timeout, a bit error rate, a signal strength or a signal amplitude, a threshold of continuous scheduling request (SR) sending, a radio link control (RLC) sliding window, a T310 timer, and a triggering of a beam failure recovery process, selecting, based on a determining result, a manner such as a packet replication or selecting a link, and transmitting data through two links.
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公开(公告)号：US11570701B2
公开(公告)日：2023-01-31
申请号：US17256536
申请日：2018-07-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zhenrong Wei , Li Shen , Hui Jin , Hao Song , Yanzhao He
Abstract: A network search method includes presetting, by a terminal device, a Public Land Mobile Network (PLMN) and a networking mode associated with the PLMN, searching, by the terminal device based on a geographical location to obtain PLMN information of a current geographical location, determining, by the terminal device based on the preset PLMN and the networking mode associated with the PLMN, a current networking mode of the terminal device, and switching, by the terminal device, the networking mode based on a geographical location, signal strength, and a system message.
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