公开(公告)号：US20200099473A1

公开(公告)日：2020-03-26

申请号：US16697115

申请日：2019-11-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei HAN ,  Yong LIU ,  Shibin GE ,  Huangping JIN ,  Xiaoyan BI ,  Xiang REN

IPC: H04L1/06 ,  H04B7/06 ,  H04L5/00

Abstract: This application configures a quantity and size of subbands in a channel state information (CSI) reporting band for flexibility and reduced complexity of terminal addressing by determining a channel state information subband size based on a bandwidth part (BWP), determining a quantity of channel state information subbands included in a channel state information reporting band based on (i) a carrier bandwidth (CC bandwidth), (ii) the BWP bandwidth or (iii) a channel state information reference signal (CSI-RS) bandwidth and the channel state information subband size. The method further includes determining an actual quantity of resource blocks included in a starting subband and an actual quantity of resource blocks in an ending subband in the channel state information subband.

公开(公告)号：US20190386801A1

公开(公告)日：2019-12-19

申请号：US16557417

申请日：2019-08-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiang REN ,  Yong LIU ,  Shibin GE ,  Xiaoyan BI

IPC: H04L5/00 ,  H04W72/04

Abstract: This application provides a resource indication method, a terminal device, and a network device. The method includes: receiving, by the terminal device, the first indication information, and determining time domain positions of demodulation reference signals (DMRSs) based on the mapping type of the physical shared channel and with reference to a position index of the last symbol occupied by the physical shared channel or a quantity of symbols occupied by the physical shared channel in the resource unit, where the position index of the last symbol occupied by the physical shared channel in the resource unit corresponds to the first type, and the quantity of symbols occupied by the physical shared channel in the resource unit corresponds to the second type.

公开(公告)号：US20240107509A1

公开(公告)日：2024-03-28

申请号：US18509898

申请日：2023-11-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haicun HANG ,  Xiaohan WANG ,  Liuliu JI ,  Huangping JIN ,  Xiang REN

IPC: H04W72/0453 ,  H04L1/1607 ,  H04L5/00 ,  H04W72/12

CPC classification number: H04W72/0453 ,  H04L1/1614 ,  H04L5/0051 ,  H04W72/12

Abstract: A resource scheduling method and a communication apparatus. In the method, a terminal device receives first indication information for determining a quantity of layers to be scheduled corresponding to each frequency domain unit in a plurality of frequency domain units, or for determining a quantity of layers to be scheduled corresponding to each frequency domain unit group in one or more frequency domain unit groups, where one frequency domain unit group includes one or more frequency domain units, one frequency domain unit includes one or more frequency domain resources with a same quantity of layers to be scheduled; and determines, based on the first indication information, a quantity of layers to be scheduled that are on frequency domain resources for data transmission, where at least two of the frequency domain resources for data transmission have different quantities of layers to be scheduled.

公开(公告)号：US20220417965A1

公开(公告)日：2022-12-29

申请号：US17889674

申请日：2022-08-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingzhe WANG ,  Liuliu JI ,  Xiang REN ,  Haicun HANG ,  Hongzhe SHI ,  Xiaoyan BI

IPC: H04W72/12 ,  H04W72/08 ,  H04L5/00 ,  H04B7/06

Abstract: This disclosure provides a method for transmitting data on a physical uplink shared channel, a data transmission method, a terminal, a network device, and a chip system. A terminal receives indication information delivered by a plurality of network devices. The indication information is used to indicate a plurality of precoders (precoders). The terminal determines the plurality of precoders based on the indication information, and repeatedly sends a physical uplink shared channel PUSCH by using the plurality of precoders. Different precoders are used for at least two of the PUSCHs. In this disclosure, the PUSCH is repeatedly sent by using different precoders. This disclosure is applicable to 5G and future wireless networks.

公开(公告)号：US20220407616A1

公开(公告)日：2022-12-22

申请号：US17891267

申请日：2022-08-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huangping JIN ,  Shi JIN ,  Xiang REN ,  Xiaoyan BI

IPC: H04B17/373 ,  H04W24/08

Abstract: A method for predicting channel state information includes determining, by a user equipment, channel prediction information based on a reference signal from a network device, and sending channel prediction information. The channel prediction information is useable to predict the channel information.

公开(公告)号：US20220329305A1

公开(公告)日：2022-10-13

申请号：US17852957

申请日：2022-06-29

Applicant: HUAWEI TECHNOLOGIES CO, LTD.

Inventor： Xiang REN ,  Huangping JIN ,  Xiaohan WANG ,  Shibin GE ,  Yiling YUAN

IPC: H04B7/06

Abstract: This application describes a channel information feedback method and a communication apparatus. The method includes a terminal device that receives configuration information sent by a network device, where the configuration information is used to configure a feedback mode of channel information. The terminal device may feed back current channel information to the network device when the feedback mode configured by using the configuration information is a first mode. The terminal device may alternatively feeds back predicted channel information to the network device when the feedback mode configured by using the configuration information is a second mode. System performance is therefore improved by the method described in this application because channel information feedback requirements in different scenarios can be met. In particular, a problem that data transmission performance deteriorates because channel information expires in a moving scenario can be resolved by feeding back the predicted channel information.

公开(公告)号：US20220132441A1

公开(公告)日：2022-04-28

申请号：US17569262

申请日：2022-01-05

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong LIU ,  Xiang REN ,  Xiaoyan BI

IPC: H04W52/32 ,  H04W52/14

Abstract: Example communication methods and communications apparatus are described. One example method includes determining power of a demodulation reference signal (DMRS) by a terminal device. The terminal device sends the DMRS based on the determined power. In embodiments of this application, the power of the DMRS can be flexibly determined for different communication statuses.

公开(公告)号：US20210021300A1

公开(公告)日：2021-01-21

申请号：US17061164

申请日：2020-10-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shibin GE ,  Xiang REN ,  Xiaoyan BI

IPC: H04B1/7143 ,  H04L5/00 ,  H04L5/10 ,  H04W72/04

Abstract: This application provides a Demodulation Reference Signal (DMRS) transmission method and a communications device. The method includes: determining, by a communications device, a current mode of a resource scheduling unit, where the current mode is a frequency hopping mode or an aggregation mode, and performing, by the communications device, DMRS mapping or demapping by using a DMRS pattern corresponding to the current mode, where a location of a symbol occupied by a DMRS in the DMRS pattern corresponding to the current mode is different from a location of a symbol occupied by a DMRS in a preset DMRS pattern. In embodiments of this application, a location of a symbol occupied by a DMRS can be flexibly selected depending on different modes. Therefore, requirements of the different modes can be satisfied in the embodiments of this application, thereby improving network performance.

公开(公告)号：US20230328661A1

公开(公告)日：2023-10-12

申请号：US18335683

申请日：2023-06-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong LIU ,  Xiang REN ,  Xiaoyan BI

IPC: H04W52/32 ,  H04W52/14

CPC classification number: H04W52/325 ,  H04W52/146

Abstract: Example communication methods and communications apparatus are described. One example method includes determining power of a demodulation reference signal (DMRS) by a terminal device. The terminal device sends the DMRS based on the determined power. In embodiments of this application, the power of the DMRS can be flexibly determined for different communication statuses.

公开(公告)号：US20230122302A1

公开(公告)日：2023-04-20

申请号：US18068863

申请日：2022-12-20

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Mingzhe WANG ,  Xiang REN ,  Huangping JIN ,  Xiaoyan BI

IPC: H04W24/10 ,  H04W16/28 ,  H04L5/00

Abstract: Embodiments of this application provide a measurement reporting method and apparatus, to improve poor data transmission performance caused by inaccurate channel state information feedback. The method includes: performing channel measurement based on a downlink reference signal from a network device, and reporting a measurement result to the network device. The measurement result indicates T resource elements and a superposition coefficient, and the resource element is determined based on at least one of the following base vectors: a time domain base vector and a receive side spatial domain base vector, and T is an integer greater than 0. In embodiments of this application, a channel feature of a channel in an angle domain can be more accurately indicated by using the receive side spatial domain base vector, and a time variant feature of the channel can be reflected by using the time domain base vector.