公开(公告)号：US10778299B2

公开(公告)日：2020-09-15

申请号：US16520045

申请日：2019-07-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Huangping Jin ,  Wei Han ,  Peng Shang ,  Xiaoyan Bi

IPC: H04B7/0456 ,  H04B7/0417 ,  H04B7/04 ,  H04B7/06

Abstract: The present invention belongs to the field of communications technologies, and discloses a channel state information CSI feedback method and an apparatus. The method includes: determining a codebook of at each transport layer CSI of user equipment UE, where the codebook of the CSI at each transport layer of the UE is: W=W1×W2, an element Xi in W2 is a weighting coefficient corresponding to each codeword in W1, and i is an integer greater than or equal to 1 and less than or equal to K; determining a quantity Ni of bits occupied by a quantized value of an ith element in W2, where quantized values of at least two elements in W2 occupy different quantities of bits; and feeding back the quantized value of the ith element to a network device based on Ni.

公开(公告)号：US10516462B2

公开(公告)日：2019-12-24

申请号：US16188791

申请日：2018-11-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Lu Wu ,  Wei Han ,  Peng Shang ,  Jin Liu ,  Xiaoyan Bi ,  Shibin Ge ,  Dageng Chen

IPC: H04B7/06 ,  H04B7/0456 ,  H04L5/00

Abstract: A radio access node (RAN) and method of operation of the RAN are provided. The RAN includes a massive multiple-input-multiple-output (MIMO) antenna array. The RAN includes a processing hardware configured to carry out a communication method that includes receiving a digital data stream for transmission on a time-frequency resource. The RAN precodes the digital data stream using a digital beamforming stage to render a precoded digital downlink data stream for downlink data stream signal transmission to a user equipment. The digital beamforming stage includes a first precoding stage configured according to a long-term matrix, and a second precoding stage configured according to a short-term matrix. The RAN is further configured to generate a downlink data stream transmission signal to the user equipment in accordance with the precoded digital downlink data stream.

公开(公告)号：US10420131B2

公开(公告)日：2019-09-17

申请号：US15852395

申请日：2017-12-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wei Han ,  Yalin Liu ,  Dageng Chen

IPC: H04W72/12 ,  H04W48/08 ,  H04W72/04 ,  H04L1/08 ,  H04L1/18

Abstract: An uplink data transmission method and apparatus are described. The uplink data transmission method includes receiving a first message including transmission mode information. The transmission mode information indicates that a terminal device is capable of transmitting uplink data by using at least two contention transmission units (CTUs) that are in a same transmission time interval (TTI). The CTU refers to a transmission resource combining: a time, a frequency, and a code domain; a transmission resource combining a time, a frequency, and a pilot; or a transmission resource combining a time, a frequency, a code domain, and a pilot. The uplink data transmitted by using the at least two CTUs is partially the same or totally the same. The method further comprises the terminal device sending a second message including indication information, where the indication information is used to enable the terminal device to determine, according to the indication information, a CTU for uplink data transmission.

公开(公告)号：US20190181929A1

公开(公告)日：2019-06-13

申请号：US16237509

申请日：2018-12-31

Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

Inventor： Shibin Ge ,  Wei Han ,  Xiaoyan Bi ,  Hongzhe Shi ,  Ye Wu ,  Huangping Jin

IPC: H04B7/0456 ,  H04B7/06

Abstract: This application provides a technical solution for rank indication, and especially when a CQI number is not configured or a CQI number is 1, a network device configures a rank indication restriction parameter as that at least one of ranks whose index numbers are 0, 1, 2, and 3 is allowed to be reported by the terminal device; or even if the network device does not perform the foregoing configuration, and none of the ranks whose index numbers are 0, 1, 2, and 3 is allowed to be reported, the terminal device may select at least one rank for RI reporting, so as to resolve a problem that a system cannot work. In addition, according to embodiments of this application, bit overheads required for RI reporting may further be reduced.

公开(公告)号：US20160126482A1

公开(公告)日：2016-05-05

申请号：US14978962

申请日：2015-12-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： David Tomanek ,  Wei Han

IPC: H01L51/05 ,  H01L27/28 ,  H01L51/00

CPC classification number: H01L51/0591 ,  B82Y10/00 ,  B82Y40/00 ,  G11C13/025 ,  G11C2213/16 ,  H01L27/281 ,  H01L51/0023 ,  H01L51/0048 ,  Y10S977/743 ,  Y10S977/848 ,  Y10S977/943

Abstract: A nanotube assembly including a nanotube layer, a first layer and a second layer. The nanotube layer comprises a vertically aligned nanotube array. The nanotube array includes a plurality of nanotubes. The first layer of a first conductive material is disposed on one surface of the nanotube layer. The second layer of a second conductive material is disposed on an opposite surface of the nanotube layer. The nanotube of the nanotube layer includes a first end against the first layer and a second end against the second layer. The resistance from the first end to the first layer is lower than a resistance from the second end to the second layer. One or more nano-particles are placed within the nanotube. At least one of the nano-particles is electrically charged, and can move along the nanotube under influence of an electric field.

Abstract translation: 一种纳米管组件，包括纳米管层，第一层和第二层。 纳米管层包括垂直排列的纳米管阵列。 纳米管阵列包括多个纳米管。 第一导电材料的第一层设置在纳米管层的一个表面上。 第二导电材料的第二层设置在纳米管层的相对表面上。 纳米管层的纳米管包括抵抗第一层的第一端和抵抗第二层的第二端。 从第一端到第一层的电阻低于从第二端到第二层的电阻。 一个或多个纳米颗粒被放置在纳米管内。 纳米颗粒中的至少一个是带电的，并且可以在电场的影响下沿着纳米管移动。