Huawei Technologies Co., Limited

Huawei Device Co., Ltd.

Future Wei Technologies, Inc.

Shurong Jiao

Lei Guan

Fan Wang

Meng Hua

Fei Gao

Xiaolei Tie

Gengshi Wu

Han Zhou

Wenquan Hu

Peng Zhang

Carmela Cozzo

Yang Liu

Hao Tang

Zongjie Wang

Yi Yang

Chunling Zhang

Jinlin Peng

Ruixiang Ma

Xueli Ma

Junchao Li

Yi Long

Wenwen Huang

Shuju Fan

Yueying Zhao

Yongxia Lyu

Bing Tang

Hao Feng

Yujia Sun

Fengyu Sun

Xiuqin Peng

Juening Jin

Example measurement methods and apparatus are described. One example method includes receiving first information and second information from a network device by a terminal device. The terminal device determines a first resource based on the first information, and determines a second resource based on the second information. Further, the terminal device determines a third resource based on the first resource and the second resource, and performs measurement on the third resource. The third resource includes a part of or all resources in the first resource except a first overlapping resource, and the first overlapping resource is an overlapping resource of the first resource and the second resource.

Measurement method, apparatus, and system

A communication method and apparatus may be applied to a wireless communication system, for example, 4G or 5G. The method includes: determining a monitoring span pattern in one slot and an actual monitoring capability in each monitoring span in the pattern based on configuration information such as an SS set and a bound CORESET of a terminal device; and monitoring DCI of each cell based on the actual monitoring capability.

Communication method and apparatus

A radio access network device configures a first parameter and location indication information for a first terminal device. The first parameter is used to determine a data transmission resource of the first terminal device. The location indication information indicates a location of first retransmission scheduling information corresponding to the first terminal device in retransmission scheduling information. Then, the first terminal device sends uplink data to the radio access network device, and the radio access network device receives the uplink data. Afterwards, the radio access network device sends the retransmission scheduling information to the first terminal device. The first terminal device determines a retransmission resource based on the retransmission scheduling information, the location indication information, and the first parameter. Finally, the first terminal device retransmits the uplink data to the radio access network device by using the retransmission resource.

Data retransmission method and related apparatus

This application relates to the field of communications technologies, and discloses a communication method and apparatus. The method includes: when a terminal device determines transmission statuses of N time-frequency resource groups based on transmission indication information sent by a network device, if a time-frequency resource group is separated into a former half and a latter half by one or more first symbols in time domain, the former half of the time-frequency resource group may be combined into a previous time-frequency resource group of the time-frequency resource group, or the latter half of the time-frequency resource group may be combined into a next time-frequency resource group of the time-frequency resource group, to determine a transmission status. This ensures continuity, in time domain, of the time-frequency resource group indicated by the transmission indication information, and can avoid unnecessary uplink transmission cancellation or downlink transmission interruption, thereby increasing a network capacity.

This application discloses a control information transmission method and device, and relates to the field of communications technologies, to reduce power consumption of UE. The control information transmission method provided in embodiments of this application includes: receiving, by user equipment UE, first indication information sent by a base station, where the first indication information indicates a first time window; and stopping, by the UE, monitoring a physical downlink control channel PDCCH in the first time window.

Control information transmission method and device

This application discloses a communication method, which includes: A terminal side device determines, based on configuration information sent by a network side device, positions of a first time subunit and a second time subunit for monitoring a downlink control channel; and determines, based on a parameter corresponding to the first time subunit, a monitoring capability corresponding to the first time subunit, where the parameter corresponding to the first time subunit includes at least one of the following: a first time domain interval between a start position of the first time subunit and a start position of the second time subunit; a time domain length of the first time subunit; and a second time domain interval between the first time subunit and the second time subunit.

Communication method and communications apparatus

A method for sending and receiving a HARQ-ACK message is provided. The method includes: A terminal device selects a first PUCCH resource from at least one first PUCCH resource set based on a first time subunit. The first time subunit is a time subunit in which the HARQ-ACK message is located. The first PUCCH resource is a PUCCH resource in the first time subunit. The at least one first PUCCH resource set is configured by a network device for the terminal device based on a time unit. The terminal device sends the HARQ-ACK message to the network device based on the first PUCCH resource.

Method and apparatus for sending and receiving HARQ-ACK message

A data transmission method and device, the method including obtaining, by a terminal device, a first resource and a second resource, where at least one first uplink transmission opportunity is configured for the first resource, a second uplink transmission opportunity is configured for the second resource, the first uplink transmission opportunity comprises X repeated first uplink transmission resources, the second uplink transmission opportunity comprises Y repeated second uplink transmission resources, and both X and Y are each integers greater than or equal to 1, and sending, by the terminal device, uplink data to a network device using the second uplink transmission opportunity in response to sending using N closest first uplink transmission opportunities before the second uplink transmission opportunity being blocked, where N is an integer greater than or equal to 1.

Method and device for new radio data transmission using secondary resource

Embodiments of this application provide a blind detection method. A terminal side device receives first indication information from a network side device, where the first indication information is used to determine at least one of N time units, a first time unit in the N time units corresponds to a type of terminal operation, the terminal operation is not performing a first operation, a second operation, and a third operation, the N time units belong to a same transmission time unit, and any one of the N time units includes at least one symbol, where N is an integer greater than 0. The terminal side device determines the N time units based on the first indication information, and performs the corresponding terminal operation in the first time unit in the N time units.

Blind detection method and apparatus

Channel information sending methods or channel information receiving methods are provided. One example method includes that a network device configures for a terminal device Q DMRS ports used for measurement, where the Q DMRS ports used for measurement include M DMRS ports that can carry downlink data, and Q is greater than M; and selects, based on channel information of P DMRS ports that is sent by the terminal device, an appropriate DMRS port to send the downlink data, where the P DMRS ports belong to the Q DMRS ports used for measurement.

Channel information sending method and apparatus and channel information receiving method and apparatus

Example communication methods and apparatus are described. One example method includes: when a terminal side device determines that first downlink control information (DCI) meets a first condition, the terminal side device uses a quantity of physical downlink control channel (PDCCH) candidates that are located in a first time unit and that are in a search space set corresponding to the first DCI as a first quantity of times of monitoring. In the first time unit, the terminal side device monitors, in the search space set corresponding to the first DCI based on the first quantity of times of monitoring, a PDCCH carrying the first DCI.

This application provides a method, which includes: receiving, by a terminal side device, physical layer signaling sent by a network side device in a first frequency band; and determining, by the terminal side device, a sequence number of a first time transmission unit in a second frequency band, where the first time transmission unit includes a time resource indicated by the physical layer signaling, the sequence number of the first time transmission unit is greater than or equal to a sequence number of a second time transmission unit in the second frequency band, an end time of the physical layer signaling is within a time range of the second time transmission unit, and a subcarrier spacing of the first frequency band is different from a subcarrier spacing of the second frequency band.

Wireless communication method and wireless communications apparatus

A communication method and a communication apparatus are described. A network device explicitly indicates, by using indication information, a transmission priority of data that can be carried on a scheduled transmission resource. After receiving the indication information, a terminal device can determine whether data currently to be sent can be sent on the scheduled transmission resource, to reduce a probability of a communication failure caused by resource preemption in a scenario in which data of at least three transmission priorities coexists. The terminal device may further determine, based on the indication information, whether to-be-received data exists on the scheduled transmission resource.

Communication method and communication apparatus

This application provides a reference signal transmission method, a terminal device, and an access network device. By receiving first indication information from the access network device, the terminal device can determine, based on the first indication information, whether Nresource blocks that are in a rate matching pattern group and that have an intersection with a time-frequency resource for transmitting a downlink data channel can be used to transmit the downlink data channel, and further determine a position of a reference signal of downlink data channel, to implement reference signal transmission.

Reference signal transmission method and communications apparatus

This application provides a control information transmission method, a base station, and a terminal. The method includes: extracting a radio resource from a preset resource block set, and sending control information in a first time period by using the radio resource. The base station includes a processor and a transmitter. The processor is configured to extract a radio resource from a preset resource block set, and the transmitter is configured to send control information in a first time period by using the radio resource. According to the control information transmission method provided in this application, the base station can send the control information in any time period, and the terminal can receive the control information in any time period, thereby shortening a time interval between two control information transmissions.

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Shanghai, China

Shurong Jiao