公开(公告)号：US20200076564A1

公开(公告)日：2020-03-05

申请号：US16678406

申请日：2019-11-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Liqing Zhang ,  Hao Tang ,  Xinxian Li ,  Zhenfei Tang

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

Abstract: A method, system, and device to obtain a basic subcarrier spacing, or a channel bandwidth, or a maximum transmission bandwidth, or a usable subcarrier spacing set via a predefined mapping rule is provided. In an embodiment, a method in a network component to determine a system numerology includes determining, by the network component, one or more subcarrier spacing options from a candidate subcarrier spacing set that is associated with a carrier frequency band. The method also includes transmitting, by the network component, a signal indicating to one or more UEs one or more subcarrier spacing options from the candidate subcarrier spacing set.

公开(公告)号：US20200068535A1

公开(公告)日：2020-02-27

申请号：US16672046

申请日：2019-11-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ting Wang ,  Yuanjie Li ,  Hao Tang ,  Fan Wang ,  Zhenfei Tang

IPC: H04W72/02 ,  H04W72/04 ,  H04W72/12

Abstract: A resource indication method and an apparatus are provided, to increase a data reception success rate of a terminal. The method includes: receiving, by a terminal, first indication information from a base station, where the first indication information is used to indicate a resource configuration for a downlink data transmission, the resource configuration includes a time scheduling unit aggregation level and a time domain location in a single time scheduling unit, and the aggregation level represents a quantity of time scheduling units included in a resource for the downlink data transmission; and determining, by the terminal, that a time domain resource in the single time scheduling unit is valid for each time scheduling unit of one or more time scheduling unit a quantity of which is represented by the aggregation level, and receiving the downlink data transmission accordingly.

公开(公告)号：US20200068443A1

公开(公告)日：2020-02-27

申请号：US16673161

申请日：2019-11-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhe Liu ,  Hao Tang ,  Fan Wang ,  Zhenfei Tang

IPC: H04W28/20 ,  H04W72/04 ,  H04W8/24 ,  H04W76/27 ,  H04L5/00

Abstract: A method for adjusting a terminal operating bandwidth, includes: a base station sends configuration information of at least two BPs to a terminal; and the base station sends a BP adjustment instruction to the terminal, where the BP adjustment instruction carries an identifier of a second BP, the second BP is one of the at least two BPs, the BP adjustment instruction is used to instruct the terminal to switch from a first BP to the second BP at a specified timeslot after the terminal receives the BP adjustment instruction.

公开(公告)号：US10555292B2

公开(公告)日：2020-02-04

申请号：US15845018

申请日：2017-12-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhongfeng Li ,  Zhenfei Tang ,  Jianmin Lu ,  Ke Wang

IPC: H04W72/04 ,  H04L5/00

Abstract: The present invention provides a method for processing an enhanced physical downlink control channel (EPDCCH), a network-side device, and a user equipment. The method includes: notifying a user equipment (UE) of M physical resource block (PRB) sets used for EPDCCH transmission and N reference signal (RS) configurations used for EPDCCH downlink control information (DCI) rate matching and/or EPDCCH resource mapping, and notifying the UE of correspondence between the M PRB sets and the N RS configurations, where N is a positive integer greater than 1, and M is a positive integer; and performing the EPDCCH DCI rate matching and/or the EPDCCH resource mapping according to the correspondence between the M PRB sets and the N RS configurations.

公开(公告)号：US20200029293A1

公开(公告)日：2020-01-23

申请号：US16586414

申请日：2019-09-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhang Zhang ,  Zhenfei Tang ,  Fan Wang

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

Abstract: A timing advance determining method and a device are provided. In the method, a network device determines, based on a correspondence between a parameter set and a TA granularity, TA information used by a terminal on an occupied frequency domain resource, where the parameter set includes a subcarrier spacing and a cyclic prefix type of a symbol; the network device sends the TA information to the terminal; and the terminal determines, based on the correspondence between a parameter set and a TA granularity, a TA granularity corresponding to the frequency domain resource occupied by the terminal, and determines, based on the TA granularity and the TA information, a TA value used by the terminal on the occupied frequency domain resource.

公开(公告)号：US20200021407A1

公开(公告)日：2020-01-16

申请号：US16407404

申请日：2019-05-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Javad Abdoli ,  Zhenfei Tang

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

Abstract: Devices and methods are provided that include transmitting or receiving data and control signals over an air interface on a plurality of bandwidth part (BWP) groups (BWGs) of a carrier, wherein each BWG comprises a plurality of BWPs and each BWP is a set of contiguous resource blocks (RBs). The control signals are transmitted or received on an active BWP of at least one of the BWGs and the data signals are transmitted or received on active BWPs of at least two of the BWGs. Devices and methods are also provided that include transmitting or receiving data and control signals over an air interface on a plurality of active BWPs of a carrier, wherein each active BWP is a set of contiguous RBs, wherein control signals are transmitted or received on at most one active BWP at a time.

公开(公告)号：US10517093B2

公开(公告)日：2019-12-24

申请号：US15915360

申请日：2018-03-08

Applicant: Huawei Technologies Co., Ltd.

Inventor： Javad Abdoli ,  Zhenfei Tang ,  Junchao Li ,  Hao Tang

IPC: H04W72/04 ,  H04L5/00 ,  H04W48/12 ,  H04W88/02 ,  H04W88/08

Abstract: A method, system, and device for resource block (RB) indexing in a user equipment (UE) is provided. In an embodiment, the method includes obtaining, at the UE, a UE-independent frequency reference point. The method also includes determining, by the UE, a UE-independent index of an RB according to the UE-independent frequency reference point.

公开(公告)号：US20190306833A1

公开(公告)日：2019-10-03

申请号：US16444497

申请日：2019-06-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Hao Tang ,  Guohua Zhou ,  Zhenfei Tang

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

Abstract: This application discloses a resource mapping method and an apparatus. The method includes the following steps: receiving, by user equipment, a first resource message sent by a base station, where the first resource message includes a transmission time unit and an offset value corresponding to the transmission time unit; and determining, by the user equipment, a time-frequency resource location of a physical channel or a physical signal in the transmission time unit based on the transmission time unit and the offset value. The technical solutions provided in this application have an advantage of avoiding interference between two carriers.

公开(公告)号：US10349391B2

公开(公告)日：2019-07-09

申请号：US15425260

申请日：2017-02-06

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yingyu Zhang ,  Zhenfei Tang ,  Zhongfeng Li

IPC: H04W72/04 ,  H04L5/00 ,  H04B7/26 ,  H04W76/27 ,  H04W88/02

Abstract: Embodiments of the present application provide a physical downlink data channel transmission method, a base station, and user equipment. The physical downlink data channel transmission method provided in the embodiments of the present application includes: mapping a physical downlink data channel to a time-frequency resource in at least one timeslot, where a time-frequency resource in each timeslot includes at least one enhanced physical resource block pair, and the enhanced physical resource block pair includes two consecutive physical resource blocks in a frequency domain in a same timeslot; and sending the physical downlink data channel to UE. In the embodiments of the present application, a transmission time interval of the physical downlink data channel can be reduced.

公开(公告)号：US20190159184A1

公开(公告)日：2019-05-23

申请号：US16256317

申请日：2019-01-24

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Zhenfei Tang ,  Yuanjie Li

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0007 ,  H04L5/0046 ,  H04L5/0048 ,  H04L5/0053

Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for transmitting control information. The method includes: determining enhanced resource element group numbers in resource blocks, and determining, according to the resource element group numbers, positions of resource elements corresponding to enhanced resource element groups; interleaving the enhanced resource element group numbers, and determining an enhanced control channel element; determining, according to the enhanced control channel element and the positions of the resource elements corresponding to the enhanced resource element groups, positions of resource elements corresponding to the enhanced control channel element; and transmitting corresponding control information on the positions of the resource elements corresponding to the control channel element. The present invention alleviates a problem that channel frequency diversity is poor, and lowers the probability of loss of information of a terminal device.