公开(公告)号：US11240724B2

公开(公告)日：2022-02-01

申请号：US16460594

申请日：2019-07-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lifeng Han ,  Hongping Zhang ,  Qufang Huang ,  Qinghai Zeng

IPC: H04W4/00 ,  H04W36/30 ,  H04W72/12 ,  H04W36/00 ,  H04W36/08 ,  H04W76/15

Abstract: A method for a handover of a mobile station performed by a source base station and a target base station. The target base station receives a handover request message, from the source base station, in which includes QoS information of the mobile device, radio bearer identifier information of the source base station, and a first mapping relationship between a flow and a radio bearer of the source base station, the target base station acknowledges with a handover acknowledgement message. Therefore resource preparation at the target base station during a handover procedure is improved.

公开(公告)号：US20210368399A1

公开(公告)日：2021-11-25

申请号：US17340285

申请日：2021-06-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jialin Zou ,  Hongping Zhang ,  Le Yan ,  Hua Xu ,  Liqing Zhang ,  Usa Vilaipornsawai

IPC: H04W36/00

Abstract: According to one aspect of the present disclosure, a method for handover in a radio access network is provided, wherein the method includes receiving, by a user equipment (UE), a handover pre-configuration message from a source node serving the UE in the radio access network, the handover pre-configuration message including handover information of a target node in the radio access network, receiving, by the UE, an activation command from the source node after receiving the handover pre-configuration message, and transmitting, by the UE, an access request message to the target node in accordance with the handover information in response to receiving the activation command.

公开(公告)号：US20210367683A1

公开(公告)日：2021-11-25

申请号：US17392523

申请日：2021-08-03

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Xingxing Hu ,  Qinghai Zeng ,  Hongping Zhang

IPC: H04B17/10 ,  H04W24/10

Abstract: Embodiments of this application provide a delay measurement method, a network device, and a terminal device. The method includes network device receiving first information from a core network requesting the network device to measure a transmission delay between the network device and the terminal device. The network device obtains a transmission delay measurement result in response to the first information, and sends second information to the core network within a first preset duration The second information provides an indication of the transmission delay measurement result.

公开(公告)号：US11184886B2

公开(公告)日：2021-11-23

申请号：US15885161

申请日：2018-01-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongping Zhang ,  Qinghai Zeng

IPC: H04W72/04 ,  H04L5/00 ,  H04W76/15 ,  H04W76/16 ,  H04W92/20

Abstract: Embodiments of the present invention provide a method, a base station, and a user equipment for implementing carrier aggregation. The method includes: determining, by a primary base station, to add a cell for a user equipment UE; and sending, by the primary base station, a first message to the UE, where the first message is used to instruct the UE to add the cell, the first message includes configuration information of the cell and an identifier or index of a base station to which the cell belongs, and the base station to which the cell belongs is a secondary base station. In the embodiments of the present invention, under the control of the primary base station of the UE, a cell of another base station can be added for the UE, so as to implement carrier aggregation between base stations, thereby further increasing user throughput of the UE.

公开(公告)号：US11109303B2

公开(公告)日：2021-08-31

申请号：US16277336

申请日：2019-02-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongping Zhang ,  Mingzeng Dai ,  Qinghai Zeng

IPC: H04W48/12 ,  H04W48/18 ,  H04W72/04 ,  H04W48/10 ,  H04W48/20 ,  H04W72/00 ,  H04W74/08

Abstract: A system information broadcasting method and apparatus, and a system information receiving method and apparatus are provided. The system information broadcasting method includes: determining, by a first network device, first system information of a first cell, where there is no broadcast channel in the first cell and no system information is broadcast; and broadcasting, by the first network device, the first system information in a second cell of the first network device

公开(公告)号：US11109263B2

公开(公告)日：2021-08-31

申请号：US16563302

申请日：2019-09-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Lifeng Han ,  Rui Wang ,  Mingzeng Dai ,  Hongping Zhang ,  Qinghai Zeng

IPC: H04W28/02 ,  H04W76/12 ,  H04W36/30 ,  H04W80/08

Abstract: This application provides a transmission method and a data transmission apparatus. The method includes: sending, by a source access network device, data packets of a QoS flow and a first end marker packet to a first core network user plane device over a first data tunnel, wherein the first end marker packet indicates an end of sending data packets of the QoS flow to the first core network user plane device, and the first data tunnel is corresponding to a first PDU session; sending, by the first core network user plane device, the data packets received from the source access network device and a second end marker packet to a second core network user plane device over a second data tunnel; and sending, by the second core network user plane device, the data packets received from the first core network user plane device to a target access network device.

公开(公告)号：US11076334B2

公开(公告)日：2021-07-27

申请号：US16574961

申请日：2019-09-18

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Mingzeng Dai ,  Yi Guo ,  Qinghai Zeng ,  Hongping Zhang

IPC: H04W36/38 ,  H04W36/00 ,  H04W36/28

Abstract: Embodiments of the present invention provide a data forwarding method, device, and communications system, which relate to the field of communications and can achieve accuracy and continuity of data transmission during carrier aggregation for cells between base stations. The method includes: sending, by a primary base station, a first message to a secondary base station, where the first message is used to instruct the secondary base station to perform handover, and the first message includes an identifier of a target base station; confirming, by the primary base station, that the secondary base station forwards data to the target base station; and sending, by the primary base station, a second message to a user equipment, where the second message is used to instruct the user equipment to acquire the data from the target base station. The embodiments of the present invention are used for data forwarding.

公开(公告)号：US11026091B2

公开(公告)日：2021-06-01

申请号：US16220711

申请日：2018-12-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongping Zhang ,  Le Yan ,  Mingzeng Dai ,  Qinghai Zeng ,  Yi Guo

IPC: H04W12/106 ,  H04W36/34 ,  H04W36/06 ,  H04W36/00 ,  H04W12/30 ,  H04W12/041 ,  H04W76/15 ,  H04W88/02

Abstract: The present application provides a data transmission method in a wireless communication system. A first security parameter indication is introduced into uplink data on a first bearer, and a base station can determine, based on the first security parameter indication in the uplink data, whether first security processing of the uplink data is performed using a first security parameter or a second security parameter, so as to select a corresponding security parameter to perform second security processing; and a second security parameter indication is introduced into downlink data, and UE can determine, based on the second security parameter indication in the downlink data, whether the first security processing of the data is performed using the first security parameter or the second security parameter, so as to select a corresponding security parameter to perform the second security processing.

公开(公告)号：US20210112614A1

公开(公告)日：2021-04-15

申请号：US17104633

申请日：2020-11-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Tingting Geng ,  Yinghao Jin ,  Hongping Zhang ,  Le Yan

IPC: H04W76/15 ,  H04W76/11 ,  H04W76/19 ,  H04W48/18

Abstract: Embodiments of this application provide a communication method, a communications apparatus, and a storage medium. The communication method includes: sending, by a new master network device, a request to an original master network device, to request context information of a terminal device on the original master network device and an original secondary network device; and receiving the context information of the terminal device on the original master network device and the original secondary network device from the original master network device. This application can effectively simplify implementation steps of resuming a multi-connectivity mode by the terminal device, reduce signaling procedures, and shorten a delay, thereby improving network transmission efficiency.

公开(公告)号：US20210014712A1

公开(公告)日：2021-01-14

申请号：US17039297

申请日：2020-09-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jian Zhang ,  Qinghai Zeng ,  Hongping Zhang

IPC: H04W24/08 ,  H04W24/02 ,  H04W36/00 ,  H04W72/04 ,  H04W72/12

Abstract: Embodiments of the present invention disclose a measurement method, including: acquiring, by user equipment, a status of using a target unlicensed frequency band by a target radio access technology RAT; and selecting, by the user equipment, a corresponding measurement mode according to the usage status to measure a radio condition of the target unlicensed frequency band. The embodiments of the present invention further disclose user equipment, a network device, and a system.