Huawei Technologies Co., Limited

Bo Fan

Peng Guan

Xi Zhang

Yalin Liu

Lei Chen

Xiaoyong Tang

Huang Huang

Lu Rong

Liuliu Ji

Kuandong Gao

You Li

Shitong Yuan

Xiaona Wang

This application provides a resource measurement method and an apparatus. A terminal receives measurement configuration information including N resource sets, and determines, based on a value of N, to send a first measurement result or a second measurement result to a network device. Specifically, the terminal sends the first measurement result to the network device when N>1, where the first measurement result is used to indicate m resources, downlink signals corresponding to the m resources can be simultaneously received by the terminal, and the m resources are in a one-to-one correspondence with m resource sets in the N resource sets. The terminal sends the second measurement result to the network device when N=1.

Resource measurement method and apparatus

This application provides a channel measurement method and apparatus. The method includes: receiving measurement configuration information from a network device, and performing joint channel measurement based on the measurement configuration information, where the measurement configuration information is used to configure one or more groups of measurement resources, each group of measurement resources includes a plurality of measurement resources, and the group of measurement resources is used to perform joint channel measurement once.

Channel measurement method and apparatus

Example channel information determining methods and apparatus are provided. One example method includes: after determining first channel information between a terminal device and a network device based on a downlink reference signal from the network device, the terminal device may determine feedback information based on the first channel information, and send the feedback information to the network device. The feedback information includes difference information between second channel information and third channel information, the second channel information is channel information that is in the first channel information and that corresponds to P antennas in M antennas of the terminal device, and the third channel information is channel information that is in the first channel information and that corresponds to M-P antennas in the M antennas.

Channel information determining method and apparatus

Embodiments of this application provide example beam failure recovery methods, example devices, and example systems to perform beam failure recovery. In one example method, a terminal device receives configuration information. The terminal device can determine M beam failure detection resource groups and N candidate beam resource groups based on the configuration information, where M and N are positive integers greater than 1. In response to determining that quality of each beam failure detection resource in any of the M beam failure detection resource groups is lower than a first threshold, the terminal device can determine, from a candidate beam resource group that is associated with the beam failure detection resource group and that is in the N candidate beam resource groups, one or more candidate beam resources whose quality is higher than a second threshold, and send first indication information.

Beam failure recovery method, device, and system

The present disclosure relates to communication methods and apparatuses. In one example method, configuration information is received from a network device, where the configuration information is used to configure a control-resource set and M search spaces associated with the control-resource set, and each search space in the M search spaces and the control-resource set are used to transmit a first physical downlink control channel (PDCCH) once. Further, the first PDCCH may be monitored on time-frequency resources corresponding to the control-resource set and the M search spaces. M is an integer greater than 1.

Communication method and apparatus

Example uplink transmission methods and apparatus are described. One example method includes determining a spatial relation for uplink transmission of a first cell by a terminal device by using a first resource in a second cell. The terminal device performs uplink transmission in the first cell based on the spatial relation for uplink transmission of the first cell.

Uplink transmission method, device, and storage medium

A data transmission method, a device, a chip, and a readable storage medium are disclosed, to perform PUSCH repetition transmission by using a plurality of beams, and improve reliability of transmission. In embodiments of this application, a terminal device determines a plurality of SRS resources, the plurality of SRS resources correspond to a plurality of beams, and the terminal device performs many PUSCH repetition transmissions based on the plurality of beams, to improve reliability of the PUSCH repetition transmission.

Data transmission method, device, chip, and readable storage medium

Example reference signal measurement methods, example resource indication methods, and example apparatuses are provided. One example method includes receiving at least one reference signal from a network device. Channel state information can then be determined based on some or all of the at least one reference signal. The channel state information can then be reported to the network device based on first duration. When it is determined to activate a first antenna panel and measure the at least one reference signal by using the first antenna panel, the first duration can be determined based on a first constraint relationship. The first antenna panel can be currently not activated.

Reference signal measurement method, resource indication method, and apparatus

Embodiments of this application provide a data transmission method and an apparatus, and relate to the communication field, to indicate a plurality of codebooks or a plurality of sounding reference signal (SRS) resource combinations. The method includes: A terminal device receives first information, where the first information is used to indicate a plurality of codebooks; and the terminal device performs data transmission based on the plurality of codebooks, where each of the plurality of codebooks corresponds to one beam. Alternatively, a terminal device is configured to receive second information, where the second information is used to indicate N SRS resource combinations, where N is an integer greater than 1; and the terminal device performs data transmission based on the N SRS resource combinations, where each of the N SRS resource combinations corresponds to one beam. Embodiments of this application are applied to a 5G communication system.

Data transmission method and apparatus

Example data transmission methods and apparatus related to the field of communications technologies are described. One example method includes receiving, by a terminal based on a first transmission scheme, data sent by a network device, wherein the first transmission scheme is a data transmission scheme in which different redundancy versions (RV) of a same transport block (TB) are simultaneously transmitted by using two transmission configuration indicator (TCI) states.

Data transmission method and apparatus based on a repeat transmission scheme

This application provides an information reporting method, including: receiving configuration information sent by a network device, where the configuration information is used to configure a first resource set and a second resource set, the first resource set is used for channel measurement, the second resource set is used for interference measurement, identifiers that are of N first resources and that are in the first resource set are in a one-to-one correspondence with identifiers that are of N second resources and that are in the second resource set, and N is an integer greater than 1, where if the identifiers of the N second resources are the same, receive parameters of the N first resources are the same; measuring signal strengths on the N first resources, to obtain N first signal strengths. According to this application, overheads of interference measurement resources are reduced.

Information reporting method and apparatus

A method and an apparatus for determining a status of an antenna panel. A terminal receives configuration information including at least one downlink signal resource set. When determining that a first antenna panel corresponding to a first downlink signal resource set is turned on, the terminal measures quality of a resource in the first downlink signal resource set by using the first antenna panel, and sends first feedback information. The first feedback information may indicate the quality of the resource in the first downlink signal resource set. When the first antenna panel is turned off, the terminal skips measuring the quality of the resource in the first downlink signal resource set, and sends second feedback information. The second feedback information is used to indicate that the first antenna panel is turned off.

Method and apparatus for determining status of antenna panel

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

This application provides a data transmission method and apparatus, to determine a TC-state used for data transmission and correctly receive downlink data, thereby improving data transmission efficiency. The method includes: receiving a first physical downlink control channel (PDCCH), where the first PDCCH is used to schedule a first physical downlink shared channel (PDSCH); receiving a downlink signal by using a first transmission configuration indicator state (TC-state); obtaining a time interval between the first PDCCH and the first PDSCH; and if the time interval is less than a preset threshold, obtaining the first PDSCH from the downlink signal.

This application discloses an information determining method and an apparatus, the information determining method includes: receiving second indication information from a network device; and determining, based on a plurality of parameters indicated by the second indication information, a transmission manner of transmitting same data by using a plurality of transmission configuration indicator states (TCI-states), wherein the plurality of parameters comprise at least a quantity of TCI-states and a quantity of consecutive transmissions of the same data.

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Chengdu, China

Bo Fan