公开(公告)号：US11122601B2

公开(公告)日：2021-09-14

申请号：US16577637

申请日：2019-09-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jiafeng Shao ,  Lei Guan

IPC: H04W72/12 ,  H04L27/26 ,  H04W52/34

Abstract: Embodiments of this application provide a buffer status report (BSR) sending method, a terminal device, and a network device. The method includes: determining a first resource configured for a first channel; adding, a first cyclic redundancy check (CRC) to a BSR; and sending a second channel on the first resource, or sending the first channel and a second channel on the first resource, where the second channel is used to carry the BSR to which the first CRC is added. Based on the embodiments of this application, the terminal device independently adds the first CRC to the BSR, and sends the second channel carrying the BSR to a network device, so that the network device learns arrival of data corresponding to the second channel at the terminal device. Therefore, the network device can pre-configure a resource for the data, thereby reducing a transmission latency of the data.

公开(公告)号：US10966234B2

公开(公告)日：2021-03-30

申请号：US16925110

申请日：2020-07-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shengyu Li ,  Jiafeng Shao ,  Lei Guan ,  Yongxia Lyu

IPC: H04W72/12 ,  H04L5/00

Abstract: This application discloses an uplink control information transmission method and related apparatus, to resolve a prior-art problem that joint coding and transmission cannot be performed in a scenario in which PUCCH resources of SRs are not aligned with a PUCCH resource of a HARQ/CSI in time domain. The method comprises: determining a PUCCH, wherein the first PUCCH carries first uplink control information (UCI), and the first UCI comprises HARQ information or CSI; determining a second PUCCH, wherein the second PUCCH carries second UCI, wherein a time domain position of the second PUCCH overlaps a time domain position of the first PUCCH, and the second UCI comprises a SR; and when the second UCI meets a condition, only sending the second UCI on the second PUCCH.

公开(公告)号：US20200351008A1

公开(公告)日：2020-11-05

申请号：US16932580

申请日：2020-07-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jiafeng Shao ,  Lei Guan ,  Yongxia Lyu ,  Dan Hu ,  Xinghua Song

IPC: H04L1/00 ,  H04L27/18

Abstract: A communication method, and related apparatuses are disclosed, to provide an MCS corresponding to a lower code rate, so as to better adapt to a requirement of a URLLC service. The communication method includes: determining N MCS indexes in an MCS table, where a value that is obtained by multiplying a code rate by 1024 and that corresponds to an MCS index X in the N MCS indexes is less than or equal to a first threshold, where X is an integer greater than or equal to 0, N is a positive integer, and N is greater than or equal to X; and sending at least one of the N MCS indexes.

公开(公告)号：US20200344788A1

公开(公告)日：2020-10-29

申请号：US16925110

申请日：2020-07-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shengyu Li ,  Jiafeng Shao ,  Lei Guan ,  Yongxia Lyu

IPC: H04W72/12 ,  H04L5/00

Abstract: This application discloses an uplink control information transmission method and related apparatus, to resolve a prior-art problem that joint coding and transmission cannot be performed in a scenario in which PUCCH resources of SRs are not aligned with a PUCCH resource of a HARQ/CSI in time domain. The method comprises: determining a PUCCH, wherein the first PUCCH carries first uplink control information (UCI), and the first UCI comprises HARQ information or CSI; determining a second PUCCH, wherein the second PUCCH carries second UCI, wherein a time domain position of the second PUCCH overlaps a time domain position of the first PUCCH, and the second UCI comprises a SR; and when the second UCI meets a condition, only sending the second UCI on the second PUCCH.

公开(公告)号：US20200322080A1

公开(公告)日：2020-10-08

申请号：US15931571

申请日：2020-05-13

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Ruixiang Ma ,  Lei Guan ,  Yongxia Lyu ,  Jiafeng Shao ,  Xinghua Song

IPC: H04L1/00 ,  H04W72/04 ,  H04W80/08

Abstract: Embodiments of this application provide slot format configuration method and device. According to the method, a network device determines a slot format index for performing uplink-downlink transmission with a terminal device. The slot format index corresponds to a row in a slot format information table, and each row in the slot format information table includes positions of uplink symbols, positions of downlink symbols, and positions of unknown symbols in a slot. The network device sends the slot format index to the terminal device. The terminal device determines a slot format for the uplink-downlink transmission from the slot format information table based on the slot format index. The uplink-downlink slot configuration method provided in the embodiments of this application may satisfy specific requirements of low-latency and high-reliability communication scenarios.

公开(公告)号：US20200274637A1

公开(公告)日：2020-08-27

申请号：US16874166

申请日：2020-05-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shengyu Li ,  Yongxia Lyu ,  Jiafeng Shao

IPC: H04L1/00 ,  H04W72/04 ,  H04W72/12 ,  H04W80/08

Abstract: An uplink control information transmission method and a device. The method includes obtaining a first modulation and coding scheme offset value used to multiplex first uplink control information on a physical uplink shared channel, where the first modulation and coding scheme offset value is less than 1, and mapping, according to the first modulation and coding scheme offset value, the first uplink control information to a resource for the physical uplink shared channel, to transmit the first uplink control information to a network device using the resource for the physical uplink shared channel.

公开(公告)号：US10735159B2

公开(公告)日：2020-08-04

申请号：US15894070

申请日：2018-02-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jiafeng Shao ,  Sha Ma

IPC: H04L5/00 ,  H04W72/04 ,  H04L5/14

Abstract: Embodiments of the present invention provide an uplink reference signal transmission method, a user terminal, and a base station. The uplink reference signal transmission method according to the present invention includes: determining an uplink reference signal position including at least one uplink reference signal symbol group, where each group includes at least one time unit; determining an uplink reference signal symbol group corresponding to a user terminal; and sending an uplink reference signal in a time unit of the uplink reference signal symbol group corresponding to the user terminal. The embodiments of the present invention can ensure an uplink capacity of a system.

公开(公告)号：US20200092829A1

公开(公告)日：2020-03-19

申请号：US16690810

申请日：2019-11-21

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jiafeng Shao ,  Bingyu Qu ,  Qiang Li

IPC: H04W52/34 ,  H04W52/28 ,  H04W52/40 ,  H04W72/04 ,  H04W52/36 ,  H04W72/10

Abstract: In response to a user equipment (UE) sending data to a first network side device over a first channel and to a second network side device over a second channel, a method includes determining that the first channel separately overlaps the second channel and a third channel. The method further includes allocating, according to priorities of the first channel and the second channel, a first transmit power to the first subframe j and a second transmit power to the second subframe i. The first transmit power is less than or equal to a first power upper limit. A sum of the first transmit power and the second transmit power is less than or equal to a first threshold. A sum of third transmit power of the third subframe i+1 and the first power upper limit is less than or equal to a preset threshold.

公开(公告)号：US20190342839A1

公开(公告)日：2019-11-07

申请号：US16517272

申请日：2019-07-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jiafeng Shao ,  Sha Ma

IPC: H04W52/14 ,  H04W52/34 ,  H04L1/18 ,  H04L5/00 ,  H04W52/28

Abstract: Embodiments of this application disclose an uplink channel power allocation method, including: determining, by a terminal device, priorities of N uplink channels based on a service set corresponding to each of the N uplink channels in a first time period, where each service set is corresponding to one priority, and at least one of service sets corresponding to the N uplink channels includes at least one service; and allocating, by the terminal device, transmit power to at least one of the N uplink channels based on the priorities of the N uplink channels.

公开(公告)号：US10374770B2

公开(公告)日：2019-08-06

申请号：US15919687

申请日：2018-03-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jiafeng Shao ,  Sha Ma ,  Chaojun Li

IPC: H04L1/00 ,  H04L5/00 ,  H04L27/144 ,  H04L1/18 ,  H04L1/20 ,  H04W72/04 ,  H04W72/08

Abstract: Embodiments of the present disclosure provide an uplink information demodulation method, an apparatus, and an uplink information demodulation system. and relate to the field of communications technologies. After an MCS index is selected for a terminal device, reduction processing is performed on the MCS index according to a preset MCS index reduction exponent, a reduced MCS index is indicated to the terminal device, frequency offset estimation is performed on the terminal device by using a recorded historical frequency offset value, and a PUSCH sent by the terminal device according to the reduced MCS index is demodulated after the frequency offset estimation. A frequency offset value is determined by using the prerecorded historical frequency offset value, so that the frequency offset value does not need to be determined in an existing manner of adding a DM-RS symbol to a 0.5-millisecond TTI.