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公开(公告)号：US20190297539A1
公开(公告)日：2019-09-26
申请号：US16439888
申请日：2019-06-13
Applicant: Huawei Technologies Co., Ltd.
Abstract: A method, an apparatus and a system for a handover to a circuit switched domain are disclosed. In an embodiment, a system includes a mobility management entity (MME) and at least two a mobile switching center (MSCs), wherein the at least two MSCs comprise a first MSC capable of supporting a circuit switched fallback (CSFB) and a single radio voice call continuity (SRVCC) and a second MSC not capable of supporting the SRVCC, and wherein the MME is configured to select the first MSC for a user equipment (UE) from the at least two MSCs in a combined tracking area update procedure of the UE when a location service of a circuit switched (CS) domain triggers an SRVCC procedure for the UE and when the UE has a Voice over Internet Protocol (VOIP) service in progress.
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公开(公告)号：US10397834B2
公开(公告)日：2019-08-27
申请号：US15394286
申请日：2016-12-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yanglin Ye , Xiaobo Wu , Weiwei Chong , Tao Deng
Abstract: The present invention discloses a single radio voice call continuity handover method and apparatus. An MME records whether a bearer deletion request message sent by a gateway device is received, and if the MME determines that the bearer deletion request message is received, the MME does not send a bearer deletion instruction message to the gateway device, and does not delete a local voice service bearer resource. Therefore, after the MME performs voice service bearer deletion on an IMS side, the MME does not perform voice service bearer deletion on an EPS side, thereby avoiding a conflict in an SRVCC process. Alternatively, when a reason for session termination is SRVCC handover, a PCRF does not send a re-authentication request message to the gateway device, that is, the gateway device does not perform a voice bearer deletion process on the IMS side, thereby avoiding a conflict in an SRVCC process.
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公开(公告)号：US20190191351A1
公开(公告)日：2019-06-20
申请号：US16282535
申请日：2019-02-22
Applicant: Huawei Technologies Co.,Ltd.
Inventor： Weiwei Chong , Xiaobo Wu
IPC: H04W36/30 , H04W72/08 , H04W36/26 , H04B17/327 , H04W24/10
CPC classification number: H04W36/30 , H04B17/327 , H04W24/10 , H04W36/26 , H04W72/087 , H04W72/12
Abstract: Embodiments of this application relate to the field of communications technologies, and disclose a service setup method and a device, to resolve a problem that a service cannot be normally executed. The method includes: receiving, by an access network device, a first setup request; sending a first setup response to a first core network device or a first service application server, where the first setup response is used to indicate that the access network device accepts the first setup request; when radio channel quality of a first cell of a first network in which UE is located does not satisfy a service requirement of a first service carried in the first setup request, handing over the UE to a second cell of the first network, or handing over the UE to a third cell of a second network.
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公开(公告)号：US20190098547A1
公开(公告)日：2019-03-28
申请号：US16198219
申请日：2018-11-21
Applicant: Huawei Technologies Co., Ltd.
Inventor： Weiwei Chong , Xiaobo Wu , Yang Xin
Abstract: This application discloses a network handover method and a network device, to resolve a problem that a terminal device cannot perform an IMS voice service. The method includes: receiving, by a first access network device, first session management information from a session management network element, where the first session management information is for requesting to set up a user plane tunnel for a voice service of a terminal device; and sending, by the first access network device, a handover request to a first mobility management network element based on the first session management information and a first condition, where the handover request is for handing over the terminal device from a first network to a second network, and the first condition includes that the voice service cannot be performed in the first network. This application is applicable to the field of communication technologies.
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115.发明授权公开(公告)号：US10244448B2
公开(公告)日：2019-03-26
申请号：US15471069
申请日：2017-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Weiwei Chong , Xiaobo Wu , Wanqiang Zhang , Chunshan Xiong
Abstract: A method for controlling user equipment (UE) to access a communications network of a high-speed moving vehicle, a core network control plane node device, a base station, UE, and a communications system. The method includes determining that UE accessing a public network is first-type UE, and transferring the UE to the communications network of the high-speed moving vehicle. The first-type UE is UE used by a user taking the high-speed moving vehicle.
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Patent Agency Ranking
公开(公告)号：US10225412B2
公开(公告)日：2019-03-05
申请号：US15429495
申请日：2017-02-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Weiwei Chong , Xiaobo Wu , Shengze Zu
Abstract: A device and a method for implementing a data service in order to avoid generating an unnecessary data usage fee for user equipment (UE) and further avoid data usage waste after a data service switch of the UE is turned off. The method includes determining, by a first network-side device, a status of a data service switch of UE, and sending, by the first network-side device, a first notification message to a second network-side device when the data service switch of the UE is turned off, where the UE is already registered with a network, the first notification message includes first instruction information and an identity of the UE, and the first instruction information instructs the second network-side device to skip charging for data packets of the UE flowing through the second network-side device.
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公开(公告)号：US10187836B2
公开(公告)日：2019-01-22
申请号：US15385392
申请日：2016-12-20
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: The present invention discloses a voice resource saving method, including: an MME sends a notification message to an eNodeB, which is used to instruct the eNodeB not to hand over, for a non-voice service, a UE from a LTE network to a CS domain of a 2G or a 3G network. Or, when an MSC determines that the circuit domain service is a non-voice service, the MSC sends a bearer release message to a base station to instruct the base station to release the voice resource. According to the the present invention, during implementation of a non-voice service, a handover of UE from an LTE network to a CS domain of a 2G or 3G network may not be triggered, or a voice resource reserved in the CS domain of the 2G or 3G network is released.
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公开(公告)号：US09961593B2
公开(公告)日：2018-05-01
申请号：US14593905
申请日：2015-01-09
Applicant: Huawei Technologies Co., Ltd.
CPC classification number: H04W36/0022 , H04L65/1046 , H04M7/0057 , H04M7/0066 , H04M7/1225
Abstract: Embodiments of the present invention provide a method, apparatus, and system for a handover to a circuit switched domain. The method includes: selecting an MSC capable of both CSFB and SRVCC for a UE; and selecting, if a location service of a CS domain triggers an SRVCC procedure for the UE when the UE has a VOIP service in progress, the MSC capable of both CSFB and SRVCC in the SRVCC procedure, so that the UE, after being handed over to the CS domain, accesses the MSC and implements the location service of the CS domain. The apparatus includes: a first selecting module and a second selecting module. The system includes a UE and the apparatus. The embodiments of the present invention enable the UE with the VOIP service in progress to be correctly handed over to the CS domain and implement the location service.
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公开(公告)号：US09900807B2
公开(公告)日：2018-02-20
申请号：US14966461
申请日：2015-12-11
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaobo Wu , Hai Liu , Daliang Zhang , Xinyong Wang , Yaowei Han
CPC classification number: H04W36/0022 , H04L65/1096
Abstract: The embodiments of the present application discloses a circuit switched fallback method, a UE, an MSC, and an MME. The method includes: sending, by a UE to an MME, a request message for requesting to perform CSFB; receiving, by the UE, a switch command sent by an eNodeB; releasing or holding a default CS call of the UE after the UE switches to the CS domain according to the switch command, where the default CS call is generated by the UE according to the switch command; and by using an MSC, initiating, by the UE, a CS call or receiving a CS call. According to the circuit switched fallback method, the UE, the MSC, and the MME in the embodiments of the present application, circuit switched fallback can be implement in a manner of switching by a UE from a PS domain to a CS domain, and reduce a delay.
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公开(公告)号：US09838915B2
公开(公告)日：2017-12-05
申请号：US14623234
申请日：2015-02-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Xiaobo Wu , Lin Shu , Wanqiang Zhang , Hai Liu
CPC classification number: H04W36/0022 , H04M2215/81 , H04W36/14 , H04W48/08 , H04W48/18 , H04W60/00
Abstract: A user equipment UE attaches to a first network, and displays a first network name, where the first network name is a network name of the first network; or the UE executes a combined attach procedure or a combined tracking area update procedure to attach to the first network or a second network, and displays the first network name, where the first network name is a network name of the first network or a network name of the second network; and in a process of executing a service in the first network, the UE changes from the first network to the second network or a third network, and the UE keeps displaying the first network name. It is ensured that a network name displayed on a terminal is consistent with a network name that is displayed on a UE and recorded by a network device.
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