Huawei Technologies Co., Limited

Xiaoyong Tang

Peng Guan

Huang Huang

Xi Zhang

Xiaona Wang

Lei Chen

Fengwei Liu

You Li

Yalin Liu

Jing Qiu

Bo Fan

Qiqi Mao

Enzhi Zhou

Jian Yu

Hua Shao

Shitong Yuan

Feng Ye

In a second cell activation method, a terminal device receives activation signaling of a secondary cell sent by a network device, where the activation signaling includes at least one piece of first quasi co-location indication information; the terminal device activates the secondary cell based on the activation signaling. The technical solution provided in this application can reduce an activation delay of a secondary cell.

Secondary cell activation method and communication apparatus

This application provides an interference measurement method and apparatus. A second functional entity of an interference-generating node sends, by using one or more beams corresponding to a reference signal resource identifier of a first functional entity of the interference-generating node, a reference signal used for interference measurement, so that an interfered node can perform interference measurement.

Interference measurement method and apparatus

This application discloses a data transmission method and apparatus. A network device determines first information, where the first information is used to indicate transmission parameters required for a plurality of transmissions of to-be-transmitted data; the network device sends the first information to a terminal device; and the network device sends the to-be-transmitted data to the terminal device for a plurality of times based on the first information.

Data transmission method and device

An information transmission method comprising configuring, by a network device, first beam sequence information, where the first beam sequence information indicates a plurality of pieces of first identification information, and where each of the plurality of pieces of first identification information indicates one beam that carries a transmission signal, sending, by the network device, the first beam sequence information to a terminal device, and performing, by the network device, signal transmission with the terminal device using the beams indicated by the plurality of pieces of first identification information.

Information transmission method, network device, terminal device, and storage medium

A communication method is provided, including: determining, by a first device, a relative power ratio between a phase tracking reference signal (PTRS) and a data channel; determining, by the first device, a transmit power of the PTRS based on the relative power ratio of the PTRS to the data channel; and sending, by the first device, the PTRS to a second device by using the transmit power of the PTRS.

Transmit power determining method, processing chip, and communications device

This application discloses a communication method and a communications device. The communication method includes: receiving configuration information sent by a base station, where the configuration information includes information about a first signal and quasi-co-location relationship information, and the quasi-co-location relationship information indicates that there is a quasi-co-location relationship between a port for sending the first signal and a port for sending a second signal; and obtaining a measurement quantity of the first signal based on a measurement quantity of the second signal and the quasi-co-location relationship information. According to the method, a quasi-co-location relationship is obtained and a measurement quantity is obtained based on the quasi-co-location relationship.

Communication method and communications device

The present disclosure relates to wireless communication methods, network devices, and terminal devices. One example method includes receiving, by a terminal device, configuration information sent by a network device, where the configuration information is used to indicate a beam sweeping type, and determining, by the terminal device, the beam sweeping type based on the configuration information.

Wireless communication method, network device, and terminal device

Embodiments of this application disclose beam training methods, apparatuses, and systems. One method includes: receiving, from a network device, interference-related information; receiving, from the network device, a downlink signal sent through two or more beams, wherein the two or more beams comprise an interfering beam that causes interference to a terminal device; and transmitting, to the network device, information related to a beam selected from the two or more beams, wherein the beam is selected by the terminal device based on the interference-related information and a measurement result obtained from measuring the downlink signal.

Beam training method, apparatus, and system

Embodiments of this application provide a data transmission method, a network device, and a terminal. When the method is performed by the terminal, the method includes: obtaining, a time-frequency resource used to transmit uplink data, where the time-frequency resource is at least one time-frequency resource block selected from a plurality of time-frequency resource blocks; each of the time-frequency resource blocks is corresponding to one piece of configuration information; and transmitting, the uplink data on the at least one selected time-frequency resource block based on configuration information of the at least one selected time-frequency resource block. The terminal may select a relatively narrow bandwidth to perform uplink transmission, to increase a transmit power of the terminal. In addition, the terminal performs the uplink transmission based on the corresponding configuration information, to further increase a transmit power. The network device perform demodulation, to improve demodulation efficiency and avoid generating a processing latency.

Data transmission method, network device, and terminal

A beam recovery method and apparatus such that the method includes: communicating, by a relay node, with a network device by using a serving beam; after a serving beam failure is detected, further monitoring the serving beam and determining whether the serving beam is recovered; and if the serving beam is recovered, further communicating, by the relay node, with the network device by using the serving beam. According to the beam recovery method, a waste of resources is reduced during beam recovery, and a time for beam recovery is further shortened.

Beam recovery method and apparatus

Examples synchronization signal configuration methods and apparatus are described. One example method is applied to a relay network including a first node and a second node, and the first node is a parent node of the second node. The example method includes sending synchronization signal configuration information by the first node to the second node, where the synchronization signal configuration information is used to indicate M first synchronization signal time-frequency positions and N second synchronization signal time-frequency positions in a candidate synchronization signal time-frequency position set. The first synchronization signal time-frequency position is used by the second node to send a first synchronization signal, the second synchronization signal time-frequency position is used by the second node to receive or detect a second synchronization signal, the candidate synchronization signal time-frequency position set includes W synchronization signal time-frequency positions, and W&#x2265;(M+N).

Synchronization signal configuration method and apparatus

Various embodiments provide a relay transmission method, where a first node is a parent node of a second node. In those embodiments, a request message from the first node can be received by the second node, where the request message is configured to request the second node to become a parent node of the first node. Still in those embodiments, indication information can be sent, by the second node, to the first node, where the indication information is used to indicate that a downlink beam sent from the second node to the first node after the second node becomes the parent node is the same as or similar to an uplink beam sent from the second node to the first node when the first node is the parent node. The indication information may be carried in a response message for the request message.

Relay transmission method and apparatus

This application provides a resource processing method and apparatus. The method includes: determining, by a network device, at least two beams that need to be transmitted; determining, by the network device, a time-frequency resource corresponding to each of the at least two beams; and determining, by the network device, a part of the time-frequency resource corresponding to each beam to serve as a common search space, where the part that corresponds to the common search space and that is of the time-frequency resource is used to carry control information transmitted to a terminal device. The resource processing method and apparatus provided in the embodiments of this application can ensure that all terminal devices detect a complete common search space when the terminal devices are distributed in different directions.

Resource processing method and apparatus

This application discloses an information sending method. The method includes: generating, by a network device, control information, where the control information includes first indication information, second indication information, and third indication information, the first indication information is used to indicate a plurality of channel state information-reference signal CSI-RS resources, the second indication information is used to indicate at least one piece of the following information: beam index information of the plurality of CSI-RS resources that is sent by the network device, beam index information of the plurality of CSI-RS resources that is received by a terminal device, or beam pair information corresponding to the network device and the terminal, and the third indication information is used to indicate a measurement method of the plurality of CSI-RS resources; and sending, by the network device, the control information to the terminal device.

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Shenzhen, China

Xiaoyong Tang