Huawei Technologies Co., Limited

Junchao Li

Hao Tang

Zhenfei Tang

Chi Zhang

Fan Wang

Zhengwei Gong

Yi Bin Wang

Javad Abdoli

Guohua Zhou

Xinxian Li

Yafei Wang

Xiaojun Ma

Xu Zhang

Wenwen Huang

Lixia Xue

Bingyu Qu

Xinghua Song

Xiaoyan Bi

Zhongfeng Li

Wei Chen

Zhe Liu

Wei Zhu Chen

Meng Hua

Haibao Ren

Shurong Jiao

Liuliu Ji

Ning Wu

Ming Wu

Xudong Wang

Yueying Zhao

Liwen Zhang

Yi Wang

Aimin Tang

Shengbo Gong

Xutong Sun

This application provides a data communication method, an apparatus, and a non-transitory computer readable storage medium. In one embodiment, the terminal receives a first demodulation reference signal based on a first physical resource block index, wherein the first physical resource block index is associated with a first location in frequency domain, and the first demodulation reference signal is usable for demodulating a first downlink control channel, wherein a physical downlink control channel (PDCCH) resource associated with the first downlink control channel is configured by a physical broadcast channel (PBCH); and the terminal receives a second demodulation reference signal based on a second physical resource block index, wherein the second physical resource block index is associated with a second location in frequency domain, and the second demodulation reference signal is usable for demodulating a second downlink control channel other than the first downlink control channel.

Data communication method, terminal, and base station

Example data processing methods and apparatus are provided. One example method includes obtaining an image captured by an in-vehicle camera. A to-be-detected target in the image is determined. A feature region corresponding to the to-be-detected target in the image is further determined based on a location of the to-be-detected target in the image. A first parking state is determined based on the image and wheel speedometer information. A first homography matrix corresponding to the first parking state is determined from a prestored homography matrix set, where different parking states correspond to different homography matrices. Image information of the feature region is processed based on the first homography matrix to obtain a detection result.

Data processing method 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

Embodiments of this application provide a communication method, a communications apparatus, and a communications system, to determine a physical resource block (PRB) grid when a center frequency of a synchronization signal (SS) is inconsistent with a center frequency of a carrier. The method includes: receiving, by a terminal, an SS from a network device; determining, by the terminal, a first PRB grid based on the SS; receiving, by the terminal, first indication information from the network device, where the first indication information is used to indicate a first frequency offset between the first PRB grid and a second PRB grid; and determining, by the terminal, the second PRB grid based on the first PRB grid and the first frequency offset.

Communication method, communications apparatus, and communications system

A capability configuration method and an apparatus are provided. The method includes: sending, by a network device, capability configuration information to a terminal device, where the capability configuration information is used to indicate a capability corresponding to an air-interface slice supported by the terminal device, and the capability corresponding to the air-interface slice supported by the terminal device is determined from a capability candidate set reported by the terminal device; and communicating, by the network device, with the terminal device by using the air-interface slice supported by the terminal device.

Capability configuration method and apparatus for configuring a network slice of a radio access network

An embodiment of this application provides a downlink control information transmission method and an apparatus. The method includes: receiving first downlink control information DCI in search space of a first carrier bandwidth part BWP, where if a frequency domain resource allocation type of the first BWP is a type 0, an L-bit frequency domain resource allocation indication in the first DCI is an L-bit bitmap, and bits in the L-bit bitmap in descending order are respectively corresponding to resource block groups RBG 0 to RBG (L−1) in a second BWP; and for one bit in the L-bit bitmap, when a value of the bit is t1, an allocated resource includes one RBG corresponding to the bit.

Downlink control information transmission method

A bandwidth resource switching method and apparatus are provided. When a network device sends bandwidth resource indication information to a terminal by using downlink control information, the network device may impose some constraints on uplink transmission mode-related configuration information or SRS-related configuration information on an indicated bandwidth resource, and other indication information carried in the downlink control information, so that no ambiguity occurs when the terminal parses the bandwidth resource indication information. Alternatively, when a side of a terminal receives bandwidth resource indication information sent by a network device by using downlink control information, the terminal parses, in an unambiguous interpretation manner, configuration information on a bandwidth resource indicated by the bandwidth resource indication information in the downlink control information. According to the application, a BWP is smoothly switched to perform uplink transmission, uplink transmission efficiency can be improved, and system robustness can be improved.

Bandwidth recourse switching method, terminal, and network device for indicating bandwidth resource switching

A resource determining method is provided. The method includes: determining a time domain position and a resource unit type of a first time domain resource unit based on first configuration information; determining a time domain position of a second time domain resource unit based on the time domain position of the first time domain resource unit, where the time domain position of the second time domain resource unit is at a time domain position which is different from the time domain position of the first time domain resource unit and is within a preset time period; and receiving second configuration information from a network-side device, and determining a resource unit type of the second time domain resource unit based on the second configuration information. Thus, subframe types of various subframes in D-TDD can be determined.

Resource determining method, related device, and system

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

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

The present disclosure relates to communication methods and communications apparatus. One example method includes receiving, by a terminal, configuration information sent by a network device, where the configuration information is used to indicate a resource in a plurality of candidate resources of a common search space, and the candidate resources of the common search space are determined based on one or more of a cell identity, downlink bandwidth, a frequency domain resource location of a synchronization channel, and a frequency domain resource location of a broadcast channel, and receiving, by the terminal, common control information on the resource indicated by the configuration information.

Communication method and communications apparatus

This application provides a resource mapping method and a device. A network device writes n physical resource block groups into an interleaving matrix row by row, where N null values are inserted into intersections between the first row and the last N columns of the interleaving matrix or intersections between the last row and the first N columns of the interleaving matrix, n is a positive integer, and N is a natural number; reads the n physical resource block groups from the interleaving matrix column by column, where the n read physical resource block groups are mapped to n virtual resource block groups; and determines, based on the n physical resource block groups mapped to the n virtual resource block groups, physical resource blocks mapped to virtual resource blocks in the n virtual resource block groups.

Resource mapping method and device

An embodiment of this application provides a downlink control information transmission method and an apparatus. The method includes: receiving first downlink control information DCI in search space of a first carrier bandwidth part BWP, where if a frequency domain resource allocation type of the first BWP is a type 0, an L-bit frequency domain resource allocation indication in the first DCI is an L-bit bitmap, and bits in the L-bit bitmap in descending order are respectively corresponding to resource block groups RBG 0 to RBG (L&#x2212;1) in a second BWP; and for one bit in the L-bit bitmap, when a value of the bit is t1, an allocated resource includes one RBG corresponding to the bit.

This application provides wireless communication methods, apparatuses, and systems. One method comprises: receiving higher layer signaling from a base station, wherein the higher layer signaling indicates a downlink aggregation coefficient S corresponding to S consecutive transmission time units, and a transport block is repeatedly transmitted at each of the S consecutive transmission time units; receiving physical layer signaling from the base station, wherein the physical layer signaling schedules the transport block and comprises first indication information indicating at least a portion of resource of a downlink control region available for transmitting the transport block; and determining a valid time of the first indication information, wherein the valid time is one or more transmission time units in the S consecutive transmission time units.

Method for downlink aggregation configuration using transmission time units

Embodiments of the present invention provide a resource configuration method and an apparatus, to prevent user equipment (UE) from replying acknowledgement responses of different downlink subframes. The method includes: receiving, by UE, configuration information of an acknowledgement response resource, where the acknowledgement response resource is used by the UE to send a downlink data channel acknowledgement response of an ntransmission unit on an uplink control channel of an (n+k)transmission unit, the configuration information includes first information, the first information is used to indicate a quantity of transmission units located before the ntransmission unit in a feedback window of the (n+k)transmission unit; and sending, by the UE, the downlink data channel acknowledgement response of the ntransmission unit on the uplink control channel of the (n+k)transmission unit based on the configuration information by using the acknowledgement response resource.

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Shanghai, China

Junchao Li