Huawei Technologies Co., Limited

Huazhong University of Science and Technology

Silead Inc.

Huawei Technologies,co., Ltd.

Huawei Technologies Co., Ltd. and Huawei Technologies Co., Ltd.

Shanghai Hangyi Research Institute of High-tech Development Co.,ltd.

Hao Tang

Zhenfei Tang

Junchao Li

Fan Wang

Xinxian Li

Yi Bin Wang

Jinlin Peng

Ting Wang

Guohua Zhou

Hua Li

Zhongfeng Li

Zhe Liu

Yuanjie Li

Yongzhao Cao

Javad Abdoli

Dongdong Wei

Zhengwei Gong

Peng Zhang

Yi Qin

Chi Zhang

Ming Wu

Yafei Wang

Mengying Ding

Wenwen Huang

Liqing Zhang

Xinghua Song

Wei Zhu Chen

Yi Zhang

Pengpeng Dong

Ning Wu

Yueying Zhao

Liwen Zhang

Yi Wang

Jun Xu

Taiyi Cheng

Jun Xiang

Sheng Su

Song Hu

Zhe Xiong

Mengxia Qing

Tianming Zhao

Xu Zhang

Hao Wang

Jun Wang

Zhang Zhang

Wei Liu

Han Zhou

Jing Liu

Meng Hua

Shengyue Dou

Yong Wang

Shimon Shilo

Haibao Ren

Shurong Jiao

Doron Ezri

Jiehua Xiao

Jianmin Lu

Quanzhong Gao

Yubo Yang

Xiaojun Ma

Tao Sun

Ezer Melzer

Jing Zhou

Zhou Xu

Long Jiang

Changguo Jiang

Chaobin Yang

Yuan Yang

Jiawei Liu

Ori Shental

Liehai Liu

A communications method and apparatus are provided. The method includes: A first terminal side device determines a frequency domain resource of a scheduled first physical downlink shared channel (PDSCH), where the first PDSCH corresponds to a first demodulation reference signal (DM-RS) on a first antenna port; and when the frequency domain resource includes N consecutive frequency domain units, and there is a second DM-RS on a second antenna port in each of L consecutive frequency domain units in the N frequency domain units, determines that precoding of each second DM-RS is the same. The second DM-RS and the first DM-RS are in a same code division multiplexing (CDM) group, the second DM-RS corresponds to a second PDSCH scheduled for a second terminal side device, each N and L is an integer greater than 1, and L is less than or equal to N.

Communications method and apparatus

This application provides a method for deactivating a carrier and an apparatus. The method includes: A terminal receives first information, where the first information indicates a default bandwidth part (BWP). The terminal deactivates a secondary carrier based on the default BWP. According to the provided embodiments, the secondary carrier is deactivated by using physical layer control information for activating or deactivating a BWP.

Method for deactivating carrier or activating carrier and apparatus

This application provides a wireless communication method and apparatus. The method includes: A second network device sends, to a first terminal device and at least one network device, first indication information used to indicate to send a common pilot signal on a common transmission resource, so that the first terminal device sends the common pilot signal to the at least one network device on the common transmission resource, and each network device receives and demodulates the common pilot signal, and adjusts a receive beam in a direction of the first terminal device based on the common pilot signal.

Wireless communication method and apparatus

This application provides a data transmission method and a related apparatus. The method includes determining, by a first node, a transmission periodicity, where the transmission periodicity includes a first time unit and a second time unit. In the transmission periodicity, data of a first service is transmitted in only the first time unit, and a physical signal is transmitted in the second time unit. The method further includes transmitting, by the first node, the data of the first service in the first time unit, and/or transmitting the physical signal in the second time unit.

Data transmission method and apparatus

A method for obtaining a quantity of resource elements in a communication process, comprising: determines a downlink control information format of downlink control information, obtains, based on the downlink control information format, a quantity of resource elements occupied by a demodulation reference signal (DMRS); and determines a size of transport block (TBS) based on the quantity of resource elements occupied by the DMRS.

Method for obtaining quantity of resource elements in communication process and related apparatus

This application provides a sidelink resource configuration method and apparatus. The method includes: configuring, by a network device, sidelink bandwidth part (SL BWP) configuration information for a terminal device, where the SL BWP configuration information is used to indicate a common first parameter of M resource pools in the SL BWP; and configuring, by the terminal device, the M resource pools in the SL BWP based on the SL BWP configuration information in a process of configuring the resource pools in the SL BWP, where the M resource pools have at least one same parameter, and the at least one parameter is determined based on the first parameter. Therefore, communication between different terminal devices can be implemented by configuring the resource pools in the SL BWP.

Sidelink resource configuration method and apparatus

Embodiments of this application disclose a wireless communication method and an apparatus, to improve robustness of data transmission between a terminal device and a node device. The method in the embodiments of this application includes: A terminal device incorrectly receives first data in a first cell, where the first cell is a first primary cell. The terminal device sends first indication information in a second cell, where the second cell is a secondary cell or a second primary cell, and the first indication information is used to indicate that the first data is incorrectly received in the first cell, or is used to request transmission of the first data in the second cell. The terminal device receives the first data in the second cell.

Wireless communication method and apparatus for improving robustness of data transmission

A method for repairing damage on a non-friction surface of a carbon brake disc of an aircraft, includes: removal of a damaged region, cutting of a repair material, anti-oxidation modification of the repair material, bonding and curing, and high-temperature heat treatment. The anti-oxidation modification is performed on the repair material without affecting the mechanical properties of the repair material, which improves the anti-oxidation ability of the repair zone and avoids the preparation of an anti-oxidation coating. In this way, only the damage on the non-friction surface is repaired, and there is little effect on the mechanical properties, friction and wear properties and thermal conductivity of the carbon-carbon composite material.

Method for repairing damage on non-friction surface of carbon brake disc of aircraft

Embodiments of this application provide a synchronization signal block transmission method and a communications apparatus. The method includes: A network device sends an SSB to a terminal device in a resource position of the SSB. Correspondingly, the terminal device receives the SSB. In this process, a symbol included in the resource position of the SSB does not overlap with an uplink symbol in a plurality of self-contained slot structures as much as possible. This method can reduce a probability that the symbol included in the resource position of the SSB conflicts with an uplink symbol in as many self-contained slot structures as possible, to avoid cross interference, and therefore can support reliable transmission in as many self-contained slot structures as possible.

Synchronization signal block transmission method and communications apparatus

A method for determining a reference signal sequence, a terminal device, and a network device, the including receiving, by a terminal device, first indication information sent by a network device, determining, by the terminal device, a target resource based on the first indication information, determining, by the terminal device, a reference signal sequence based on parameters of a first bandwidth and parameters of a second bandwidth, and sending or receiving, by the terminal device, the reference signal sequence on the target resource.

Method and apparatus for determining reference signal sequence, computer program product, and computer readable storage medium

A method is provided, comprising: receiving resource indication information sent by a network device, where the resource indication information is used to indicate resource block groups RBGs allocated to the terminal device in a bandwidth part BWP, and the BWP includes N segments of frequency domain resources; for one of the N segments of frequency domain resources, a size P of an RBG other than the first RBG and the last RBG in the segment of frequency domain resources is determined based on a sum of bandwidths of the N segments of frequency domain resources; and for one of the N segments of frequency domain resources, a size of the first RBG in the segment of frequency domain resources is determined based on a start location of the segment of frequency domain resources and P; and transmitting a signal on the resource block groups RBGs allocated to the terminal device.

Signal transmission method, apparatus, terminal device, network device, and system

The application provides a resource configuration method including: determining, by a network device, N downlink virtual carriers or determining N downlink virtual carriers and M uplink virtual carriers, where the N downlink virtual carriers are configured in a same cell, or the N downlink virtual carriers and the M uplink virtual carriers are configured in a same cell, and the cell includes at least one carrier, and the N downlink virtual carriers correspond to a same parameter set, or the N downlink virtual carriers correspond to a same parameter set, and the M uplink virtual carriers correspond to a same parameter set, N&#x3e;1, and N&#x2265;M&#x2265;1; and sending, by the network device, configuration information to a terminal, where the configuration information is used to configure the N downlink virtual carriers or used to configure the N downlink virtual carriers and the M uplink virtual carriers.

Resource configuration method, network device, and terminal

Embodiments of this application disclose a time domain resource allocation method. The method may include: determining N pieces of candidate time domain resource information, where N is greater than or equal to 2; and receiving indication information, where the indication information is to be used to determine, from the N pieces of candidate time domain resource information, a time domain resource allocated to a data channel. For at least one of M frame structure parameters, a time domain resource indicated by at least one of the N pieces of candidate time domain resource information is different from a time domain resource used by at least one of the following signals and/or channels in LTE: a cell-specific reference signal (CRS), a physical downlink control channel (PDCCH), a multimedia broadcast single frequency network (MBSFN), a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and/or a physical broadcast channel (PBCH).

Time domain resource allocation method and apparatus

A communication method and apparatus the method including generating indication information, and sending the indication information to a terminal, wherein the indication information indicates to the terminal to activate a first frequency domain resource pair comprising an uplink frequency domain resource and a downlink frequency domain resource, wherein the uplink frequency domain resource is associated with the downlink frequency domain resource, wherein the uplink frequency domain resource and the downlink frequency domain resource have a same center frequency, wherein the uplink frequency domain resource and the downlink frequency domain resource are bandwidth parts on a carrier, wherein the bandwidth parts each have a bandwidth that is smaller than a bandwidth of the carrier, and wherein the first frequency domain resource pair is in a deactivated state when the indication information is sent.

Communication method and communications apparatus

A method for determining time information is disclosed. The method includes: obtaining, by a network node, information sent by a terminal device; and determining, by the network node, at least one of the following based on the information: a first time interval between downlink scheduling and downlink data transmission, a second time interval between the downlink data transmission and a feedback message sent by the terminal device after the terminal device receives downlink data, and a third time interval between uplink scheduling and uplink data transmission, where the information may include at least one of a subcarrier spacing, an operating band, and a bandwidth that are supported by the terminal device, and further include a first smallest value and/or a second smallest value and/or a third smallest value corresponding to the at least one item. Therefore, flexibility and accuracy of determining the time information are improved.

Method for determining time information, network node, and terminal device

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Shanghai, China

Hao Tang