公开(公告)号：US10524291B2

公开(公告)日：2019-12-31

申请号：US15934461

申请日：2018-03-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Guan ,  Qiang Li ,  Juan Zheng

IPC: H04W74/08 ,  H04W72/04 ,  H04L5/00 ,  H04L27/26 ,  H04W16/14 ,  H04W24/10 ,  H04W84/12 ,  H04L1/00

Abstract: Embodiments of the present disclosure provide a data channel sending method. In the method, a base station starts a clear channel assessment (CCA) on a data channel for a to-be-sent data channel. If the CCA on the data channel succeeds, the base station sends the data channel in a first subframe within a time window, where the data channel performs rate matching based on a reference signal (RS). The RS includes a first RS or a second RS. The first RS occupies continuous OFDM symbols in a subframe, and the second RS occupies discontinuous OFDM symbols in a subframe. The time window is a preset time window used to send the first RS, and the first RS is used by a user equipment (UE) to perform cell identification and/or a radio resource management (RRM) measurement on a cell served by the base station.

公开(公告)号：US10523380B2

公开(公告)日：2019-12-31

申请号：US15637663

申请日：2017-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Guan

IPC: H04W72/12 ,  H04L1/18 ,  H04L5/00 ,  H04L1/16

Abstract: Embodiments of the present disclosure provide a user equipment, an access network device, and a feedback information sending and receiving method. The user equipment includes: a processor, configured to: determine an uplink subframe used for sending feedback information, and determine a channel resource, where a first downlink subframe set associated with the uplink subframe includes a first subset and a second subset, the first subset includes at least two downlink subframes, and the first subset is a proper subset of the second subset; and a transmitter, configured to send the feedback information on the channel resource in the uplink subframe by using a channel format.

公开(公告)号：US10484149B2

公开(公告)日：2019-11-19

申请号：US15892602

申请日：2018-02-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Guan ,  Yongxia Lyu ,  Jiehua Xiao

IPC: H04W72/02 ,  H04L1/18 ,  H04L5/00 ,  H04W72/04 ,  H04W72/12

Abstract: A terminal receives downlink scheduling information of a downlink subframe F(i,j), where a set M of preconfigured downlink subframes in which the downlink subframe F(i,j) is located is divided into N subsets of preconfigured downlink subframes, a bit quantity of a hybrid automatic repeat request-acknowledgement HARQ-ACK that needs to be fed back for each downlink subframe in one subset of preconfigured downlink subframes is a predetermined value, and bit quantities of HARQ-ACKs that need to be fed back for any downlink subframes in different subsets of preconfigured downlink subframes are different. The terminal generates a HARQ-ACK codebook according to a receiving status of downlink data. And the terminal generates uplink control information after encoding the HARQ-ACK codebook; and a sending module sends the uplink control information.

公开(公告)号：US20190334670A1

公开(公告)日：2019-10-31

申请号：US16506898

申请日：2019-07-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jiafeng Shao ,  Lei Guan ,  Chaojun Li ,  Sha Ma

IPC: H04L5/00 ,  H04W72/12 ,  H04W72/04

Abstract: Embodiments disclose a data transmission method and a related apparatus, to enable a network device to schedule uplink transmission and a time resource on which the uplink transmission is located. One method includes transmitting, by a terminal device, a scheduling request, where the scheduling request includes information about at least one first transport block. The method also includes receiving, by the terminal device, scheduling information on a first time resource, and determining, by the terminal device, a target time resource, where the target time resource includes a second time resource or a third time resource, and a time interval between the second time resource and the first time resource is greater than a time interval between the third time resource and the first time resource. The method further includes transmitting, by the terminal device, a second transport block on the target time resource based on the scheduling information.

公开(公告)号：US20190289621A1

公开(公告)日：2019-09-19

申请号：US16432088

申请日：2019-06-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yuan Li ,  Lei Guan

IPC: H04W72/12 ,  H04W72/04 ,  H04W74/08

Abstract: An uplink information processing method and an apparatus, the method including receiving, by a terminal device, first control information sent by a base station device in a first downlink transmission time interval, determining, by the terminal device, a time domain resource based on the first control information, where the time domain resource includes at least one uplink transmission time interval, where a start time unit of the time domain resource is later than the first downlink transmission time interval, and wherein the start time unit is a first uplink transmission time interval of the at least one uplink transmission time interval, and sending, by the terminal device, data information on an uplink data channel, where the uplink data channel corresponds to the at least one uplink transmission time interval in the time domain resource.

公开(公告)号：US20190274124A1

公开(公告)日：2019-09-05

申请号：US16417926

申请日：2019-05-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Guan ,  Lixia Xue ,  Yongxing Zhou

IPC: H04W72/04 ,  H04W74/08 ,  H04L5/00 ,  H04W76/27 ,  H04W72/00 ,  H04W72/12

Abstract: Embodiments of the present invention provide a control information sending method, receiving method, and device. The control information sending method includes: determining a first subframe of a first radio frame on a first carrier, where the first subframe includes a control region; sending control information in the control region of the first subframe of the first radio frame to a user equipment, where the control information includes a PDCCH; and sending an ePDCCH in a second subframe of the first radio frame to the user equipment. According to the embodiments of the present invention, when control information borne on an ePDCCH cannot be sent in a first radio frame, a PDCCH can still be sent to a user equipment through a control region in a first subframe, thereby achieving purposes of performing uplink/downlink scheduling for the user equipment and downlink feedback for uplink data of the user equipment.

公开(公告)号：US10333607B2

公开(公告)日：2019-06-25

申请号：US16109412

申请日：2018-08-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Guan ,  Sha Ma ,  Zhiyu Yan

IPC: H04B7/06 ,  H04L1/18 ,  H04W72/04 ,  H04W72/12 ,  H04L1/00

Abstract: Embodiments of the present application provide a channel state information transmission method. The method includes: receiving downlink data; determining an uplink subframe used to send feedback information of the downlink data, where a first downlink subframe set associated with the uplink subframe includes a first subset and a second subset, and the first subset is a proper subset of the second subset; determining a channel resource used to send the feedback information, where the channel resource includes a first uplink channel resource or a second uplink channel resource; and if sending of r pieces of CSI is configured to be sent, a codebook size of the feedback information corresponds to the first subset, and the determined channel is the second uplink channel resource, sending the feedback information and t pieces of CSI of the r pieces of CSI on the second uplink channel resource.

公开(公告)号：US20190159186A1

公开(公告)日：2019-05-23

申请号：US16258108

申请日：2019-01-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Guan

IPC: H04W72/04 ,  H04L1/00 ,  H04W72/02

Abstract: A method for transmitting information, the method including receiving a downlink assignment sent by a base station, where the downlink assignment comprises a trigger flag, and where the trigger flag indicates a trigger state of aperiodic channel state information (CSI), determining an uplink resource used to send the aperiodic CSI according to an uplink resource indication information, and sending, on the uplink resource, the aperiodic CSI to the base station according to the trigger flag.

公开(公告)号：US20190132841A1

公开(公告)日：2019-05-02

申请号：US16233558

申请日：2018-12-27

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Juan Zheng ,  Zuomin Wu ,  Lei Guan ,  Qiang Li

IPC: H04W72/04 ,  H04L27/26 ,  H04L5/00 ,  H04W56/00

Abstract: The present disclosure relates to example data transmission methods, user equipment, and access network devices in an LAA-LTE system. An example data receiving method includes determining, by user equipment, first information of a first cell. The user equipment determines a first subframe based on the first information, where a downlink data transmission length of the first subframe is less than a first threshold. The user equipment then determines a data transmission characteristic of the cell in the first subframe based on a preset condition, so as to receive, based on the data transmission characteristic, data including the first subframe. In doing so, a data transmission characteristic of a base station or a terminal is standardized, and a reference signal such as a DRS can be correctly identified.

公开(公告)号：US20190109607A1

公开(公告)日：2019-04-11

申请号：US16209777

申请日：2018-12-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lei Guan ,  David Jean-Marie Mazzarese ,  Brian Classon

IPC: H04B1/10 ,  H04W16/10 ,  H04W72/08 ,  H04B17/391 ,  H04W72/04 ,  H04L5/00 ,  H04W16/14 ,  H04W48/16 ,  H04W28/18 ,  H04W4/12

Abstract: A system and method for transmitting a reference signal in a cell that uses an unlicensed frequency band. The method includes determining a candidate resource set that is used when a first reference signal is transmitted in the cell that uses the unlicensed frequency band, where the candidate resource set includes a preset resource and at least one flexible candidate resource, determining a first candidate resource that is used when the first reference signal is transmitted in the cell that uses the unlicensed frequency band, where a channel on the unlicensed frequency band corresponding to the first candidate resource is in an idle state, and the first candidate resource is the preset resource or a flexible candidate resource in the candidate resource set, and sending the first reference signal on the first candidate resource.