公开(公告)号：US20180368182A1

公开(公告)日：2018-12-20

申请号：US16124837

申请日：2018-09-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Jiang ,  Zhongbin Qin ,  Yinghui Yu ,  Junren Chang ,  Mingzeng Dai ,  Guanglin Han ,  Wei Quan ,  Jian Zhang ,  Qiao Zhang ,  Yajuan Li ,  Boyun Xie ,  Yi Guo ,  Pingping Xing

IPC: H04W74/08 ,  H04W76/27 ,  H04W72/04 ,  H04W56/00 ,  H04W74/00

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping, and relate to the field of communications, the method, device and system for determining timing advance grouping. The method includes adding, by a base station (eNodeB), a component carrier (CC) for a user equipment (UE); according to obtained timing advance (TA) group information or a preset rule, determining a TA group that the added CC belongs to, where the TA group is a set of CCs that can share a TA; and sending identification information that identifies the TA group to the UE. Embodiments of the present invention are used to determine TA grouping when the eNodeB adds the CC for the UE.

公开(公告)号：US10110282B2

公开(公告)日：2018-10-23

申请号：US14709922

申请日：2015-05-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jian Zhang ,  Qinghai Zeng ,  Qufang Huang

IPC: H04W72/04 ,  H04B7/024 ,  H04W76/15 ,  H04W88/06 ,  H04W76/20

Abstract: Embodiments of the present invention provide a data transmission method, a base station, and a user equipment (UE). The method includes: generating, by a first base station, downlink radio link control (RLC) protocol data units (PDUs); and sending, by the first base station, a first part of downlink RLC PDUs in the downlink RLC PDUs to a user equipment UE, and sending a second part of downlink RLC PDUs in the downlink RLC PDUs to a second base station, so that the second base station sends the second part of downlink RLC PDUs to the UE. Hence, the first base station and the second base station are capable of jointly sending data to the UE, thereby improving a peak rate and a throughput of the UE.

公开(公告)号：US10085287B2

公开(公告)日：2018-09-25

申请号：US14617642

申请日：2015-02-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Jiang ,  Zhongbin Qin ,  Yinghui Yu ,  Junren Chang ,  Mingzeng Dai ,  Guanglin Han ,  Wei Quan ,  Jian Zhang ,  Qiao Zhang ,  Yajuan Li ,  Boyun Xie ,  Yi Guo ,  Pingping Xing

IPC: H04J3/00 ,  H04W74/08 ,  H04W56/00 ,  H04W72/04 ,  H04W74/00 ,  H04W76/27

CPC classification number: H04W74/085 ,  H04W56/0005 ,  H04W56/0045 ,  H04W72/0446 ,  H04W74/006 ,  H04W74/0833 ,  H04W76/27

Abstract: Embodiments of the present invention provide a method, a device, and a system for determining timing advance grouping. In one embodiment, a base station adds a component carrier (CC) for a user equipment (UE). The base station determines a timing advance (TA) group to which the added CC belongs. The TA group is a set of CCs that can share a TA. The base station sends identification information that identifies the TA group to the UE.

公开(公告)号：US10057912B2

公开(公告)日：2018-08-21

申请号：US15271006

申请日：2016-09-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Wei Quan ,  Xiaodong Yang ,  Bingzhao Li ,  Zhenxing Hu ,  Jian Zhang

IPC: H04W4/00 ,  H04W72/12 ,  H04L12/24 ,  H04W72/04

CPC classification number: H04W72/12 ,  H04L41/08 ,  H04W72/0446 ,  H04W72/0453

Abstract: The present disclosure provides a data scheduling method using an unlicensed spectrum, an apparatus, and a device, and relates to the radio communications field. According to the method, apparatus, and device, an unlicensed spectrum resource can be effectively used, thereby meeting a bandwidth requirement of an LTE device. The method is as follows: first, an unlicensed-spectrum serving cell is configured for user equipment by using a configuration message of the unlicensed-spectrum serving cell; then, data is transmitted over the unlicensed-spectrum serving cell by using a scheduling command. Embodiments of the present disclosure are applied to data transfer over the unlicensed-spectrum serving cell.

公开(公告)号：US10034215B2

公开(公告)日：2018-07-24

申请号：US15194166

申请日：2016-06-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hongping Zhang ,  Qinghai Zeng ,  Jian Zhang

IPC: H04W36/00 ,  H04W36/22 ,  H04W12/06 ,  H04W12/10 ,  H04W36/14 ,  H04W88/06 ,  H04L29/06

Abstract: The present invention discloses an offloading method, which includes: receiving, by user equipment, an offloading indication sent by a base station, where the offloading indication is used to indicate an access method for the user equipment to access an access point, the offloading indication includes a security parameter used by the user equipment and the access point to perform bidirectional authentication, the access point belongs to a wireless local area network, the base station belongs to a wireless cellular network, and the security parameter is further sent by the base station to the access point; and performing, by the user equipment, the bidirectional authentication with the access point according to the security parameter sent by the base station to the user equipment, so that the user equipment accesses the access point according to the access method and performs offloading to the wireless local area network.

公开(公告)号：US20180160462A1

公开(公告)日：2018-06-07

申请号：US15888262

申请日：2018-02-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei Quan ,  Bingzhao Li ,  Jian Zhang ,  Jinhua Miao ,  Xun Tang ,  Xiaodong Yang

IPC: H04W76/12 ,  H04W76/30

CPC classification number: H04W76/12 ,  H04W72/04 ,  H04W76/10 ,  H04W76/30

Abstract: A data radio bearer establishment method is provided, and includes: sending, by user equipment, an RRC message, where the RRC message carries an instruction identifier, and the instruction identifier is used to instruct to establish a data radio bearer between the user equipment and an access network device; receiving, by the user equipment, a data radio bearer configuration parameter, where the data radio bearer configuration parameter is sent according to the instruction identifier; and establishing, by the user equipment, the data radio bearer between the user equipment and the access network device according to the data radio bearer configuration parameter.

公开(公告)号：US20180124647A1

公开(公告)日：2018-05-03

申请号：US15856438

申请日：2017-12-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingzeng Dai ,  Jian Zhang ,  Jing Liu ,  Qinghai Zeng

IPC: H04W28/18 ,  H04W72/04 ,  H04W28/06

Abstract: A data transmission method, including: learning, by a first wireless network node, a bearer type of a downlink packet; and when the bearer type is a signaling radio bearer SRB, sending, by the first wireless network node, the downlink packet to a second wireless network node, so that the second wireless network node performs a function of a Packet Data Convergence Protocol (PDCP) layer on the downlink packet; or when the bearer type is a data radio bearer DRB, performing, by the first wireless network node, a function of a PDCP layer on the downlink packet, and sending the processed downlink packet to the second wireless network node.

公开(公告)号：US09900912B2

公开(公告)日：2018-02-20

申请号：US15006673

申请日：2016-01-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qufang Huang ,  Jian Zhang ,  Qinghai Zeng

IPC: H04W4/00 ,  H04W74/08 ,  H04L27/26 ,  H04W56/00 ,  H04W72/04 ,  H04W88/06

CPC classification number: H04W74/0833 ,  H04L27/2613 ,  H04W52/146 ,  H04W52/34 ,  H04W52/367 ,  H04W56/0045 ,  H04W72/0446 ,  H04W88/06

Abstract: Embodiments provide a data transmission method, a device, and a system. The method includes: acquiring, by user equipment, a first preamble corresponding to a cell set of a primary timing advance group of a first base station and a second preamble corresponding to a cell set of a secondary timing advance group of a second base station; sending the first preamble to the first base station, to initiate random access to the first base station according to the first preamble; and sending the second preamble to the second base station, to initiate random access to the second base station according to the second preamble.

公开(公告)号：US09867099B2

公开(公告)日：2018-01-09

申请号：US15004685

申请日：2016-01-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhenxing Hu ,  Wei Quan ,  Xiaodong Yang ,  Jian Zhang

IPC: H04W36/16 ,  H04W36/00 ,  H04W36/08 ,  H04W48/20 ,  H04W74/08 ,  H04W48/16

CPC classification number: H04W36/165 ,  H04W36/0094 ,  H04W36/08 ,  H04W48/16 ,  H04W48/20 ,  H04W74/08

Abstract: Embodiments of the present disclosure provide a cell access method, an apparatus, and a system, where the method includes: when user equipment camps on a first cell, receiving, by the user equipment, a first signal offset of the first cell and a random access failure threshold of the first cell; attempting, by the user equipment, to perform random access to the first cell, and counting a quantity of random access failures; and if the quantity of random access failures reaches the random access failure threshold, performing cell reselection, by the user equipment, by using the first signal offset for the first cell; and if no cell meets a service condition in cell reselection, performing cell reselection, by the user equipment, without using the first signal offset. Therefore, a service interruption problem of user equipment when random access to a cell fails in the prior art can be resolved.

公开(公告)号：US20170353992A1

公开(公告)日：2017-12-07

申请号：US15664257

申请日：2017-07-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei Quan ,  Bingzhao Li ,  Xiaodong Yang ,  Zhenxing Hu ,  Jinhua Miao ,  Jian Zhang

IPC: H04W76/04 ,  H04W76/06

Abstract: Embodiments of the present disclosure relate to the field of communications technologies, and provide a radio bearer reconfiguration method, a radio bearer establishment method, user equipment, and a base station. The method includes receiving, by a UE, a radio bearer reconfiguration indication sent by abase station, where the radio bearer reconfiguration indication includes a radio bearer identifier and a target configuration parameter, the radio bearer identifier indicates a target radio bearer that needs to be reconfigured, and the target configuration parameter corresponds to a configuration item of the target radio bearer that needs to be reconfigured; releasing, by the UE, the target radio bearer; and transmitting, by the UE, signaling and/or data on the corresponding target radio bearer according to the target configuration parameter.