Abstract: The present disclosure relates to measurement result transmission methods. In one example method, a terminal device receives reference signal (RS) measurement configuration information of at least one candidate neighboring cell from a first network device, sends an RS measurement result of the at least one candidate neighboring cell to the first network device, wherein the RS measurement result of the at least one candidate neighboring cell is obtained by performing measurement on a first cell based on the RS measurement configuration information of the at least one candidate neighboring cell, and the first cell is a current serving cell of a terminal device, and receives activation signaling from the first network device, wherein the activation signaling is used to activate a beam or a transmission configuration indicator (TCI) state of a second cell when the terminal device performs communication in the first cell.

Abstract: A communication method applied to a first node includes receiving first indication information and second indication information from a second node, wherein the first indication information indicates resource availability of a first slot in a first set, the first set comprises at least one slot, the first slot is a slot in which a first resource is configured, the second indication information indicates resource availability of a first frequency domain resource group. A second resource is determined based on at least one of the first indication information or the second indication information. a third node is communicated with over the first resource, wherein the second node is an upper-level integrated access and backhaul (IAB) node of the first node, the third node is a lower-level IAB node of the first node.

Abstract: This application provides a beam determining method and a related apparatus. The method includes: A terminal device determines, in a first beam and a second beam based on a beam parameter corresponding to a first control-resource set and a beam parameter corresponding to a second control-resource set, a beam used by the first control-resource set and a beam used by the second control-resource set, where the first beam and the second beam are two common beams available for downlink transmission, and the first control-resource set and the second control-resource set are two control-resource sets for physical downlink control channel repetition transmission. The terminal device receives, based on the beam used by the first control-resource set, a physical downlink control channel corresponding to the first control-resource set, and receives, based on the beam used by the second control-resource set, a physical downlink control channel corresponding to the second control-resource set.

Abstract: In a communication method, a terminal device communicates with a network device via multiple transmission and reception points TRPs of the network device. The terminal device receives from the network device first indication information indicating a common transmission configuration indicator TCI state, wherein different common TCI states correspond to different control resource set pool indexes. The terminal device determines, based on quasi-co-location information corresponding to the common TCI state and the control resource set pool index, a first reference signal resource used for beam failure detection.

Abstract: This application provides a transmission resource configuration method and an apparatus. The method includes: receiving, by a first node, a transmission resource configuration from a second node, where the transmission resource configuration includes a first configuration and a second configuration, the first configuration indicates that a start time resource is uplink and/or an end time resource is downlink in a configuration period, and the second configuration indicates that a start time resource is downlink and/or an end time resource is uplink in a configuration period; and switching, by the first node based on first signaling, a transmission direction of a first time resource in the first configuration by using the first configuration; or using, by the first node, the first configuration or the second configuration based on second signaling.

Abstract: This application provides a port configuration method, an apparatus, and a system. The port configuration method provided in this application includes: First, a terminal device sends first indication information to a network device, where the first indication information is used to determine a codebook capability of the terminal device. Then, the terminal device receives first configuration information from the network device, where the first configuration information indicates information about a phase tracking reference signal (PTRS) port configured by the network device for the terminal device, and the information about the PTRS port configured by the network device for the terminal device is determined based on the codebook capability of the terminal device. The terminal device determines, based on the configured PTRS port, a PTRS port corresponding to uplink transmission.

Abstract: Embodiments of this application disclose a power control method and a power control apparatus, to alleviate a transmission capacity decrease caused by interference, and improve transmission performance. The method in embodiments of this application includes: A first node determines a first power control parameter. The first power control parameter is used to indicate first transmit power expected by the first node in a first transmission mode. The first node sends a first message to a second node. The first message carries the first power control parameter, and the first message is used to request the first transmit power expected by the first node in the first transmission mode. The second node is an upper-level node of the first node or a donor base station.

Abstract: Embodiments of this application disclose an uplink transmission method and a related apparatus, so that a terminal device correctly performs uplink transmission on a first resource by using a corresponding transmission configuration indicator (TCI) state. This implements correct transmission between the terminal device and a network device, and improves communication transmission performance. The method in embodiments of this application includes: A terminal device receives first information from a network device, where the first information indicates one or more transmission parameters of a first resource; and the terminal device performs, based on the first information, uplink transmission on the first resource by using a corresponding TCI state.

Abstract: A transmission configuration indicator TCI mode configuration method, a TCI state indication method, and a related apparatus, where a network device configures, for a terminal device, a TCI mode associated with a control resource set. A terminal device receives configuration information from a network device, where the configuration information includes a correspondence between at least one control resource set of the terminal device and a TCI mode, and the TCI mode includes a joint mode or a separate mode; and the terminal device determines, based on the configuration information, the TCI mode corresponding to the at least one control resource set.

Abstract: This application provides a communication method, apparatus, and system. The communication method includes: A terminal device sends first capability information to a network device, where the first capability information indicates a terminal transmission capability corresponding to at least one resource or resource group. The terminal device receives uplink transmission scheduling information sent by the network device, where the uplink transmission scheduling information is determined by the network device based on the first capability information. The terminal device performs uplink transmission based on the uplink transmission scheduling information. According to the method, the network device can obtain resource-level or resource group-level transmission capability information used by the terminal device for uplink transmission.

Abstract: An uplink scheduling method and an apparatus are provided. The method includes: A network device determines uplink scheduling information, where the uplink scheduling information is used for scheduling a terminal device to perform a first uplink transmission and a second uplink transmission, a first timing advance associated with the first uplink transmission is different from a second timing advance associated with the second uplink transmission, the first uplink transmission and the second uplink transmission are two consecutive uplink transmissions, and there is an interval of preset duration between the first uplink transmission and the second uplink transmission; and the network device sends the uplink scheduling information to the terminal device.

Abstract: This application provides a communication method and apparatus. The method includes: A network device sends first configuration information to a terminal device, where the first configuration information is used to configure that the terminal device reports one or more pieces of feedback information, the feedback information is used to describe measurement information of N reference signals, each of the N reference signals corresponds to one resource, resources corresponding to the N reference signals belong to a same resource set, each piece of feedback information corresponds to one resource set, the feedback information includes N information groups, an nth information group in the N information groups includes a measurement result of an nth reference signal and/or an identifier of a resource corresponding to the nth reference signal, N is an integer greater than or equal to 1, and n?[1, N].

Abstract: Embodiments of this application provide a communication method and apparatus. The method includes: A terminal device receives a preset inference model from a network device. The terminal device receives a first reference signal from the network device, and measures the first reference signal to determine a measurement result of the first reference signal. The terminal device determines an estimated measurement result of a second reference signal based on the preset inference model and the measurement result of the first reference signal, determines a candidate reference signal set based on the estimated measurement result of the second reference signal, and measures a candidate reference signal in the candidate reference signal set to determine an actual measurement result of the candidate reference signal. According to embodiments of this application, signaling exchange overheads and a delay can be reduced, and energy consumption of the terminal device can be reduced.

Abstract: This application provides a rate matching method and an apparatus. The method includes: A terminal device measures a reference signal delivered by a serving network device; the terminal device reports a measurement result to the serving network device; and if the measurement result indicates that quality of the reference signal is less than or equal to a first threshold, the terminal device performs rate matching on a transmission resource of a serving cell based on a location of a reference signal resource of a neighboring cell. This method reduces unnecessary rate matching in neighboring cell measurement, enhances rate matching reliability, and improves transmission efficiency.

Abstract: In a frequency domain resource configuration method, a terminal device receives from a first network device first configuration information for configuring a first frequency domain resource set. The first frequency domain resource set is to take effect after the terminal device is handed over from a source cell to a target cell. The terminal device receives handover indication signaling from the first network device to perform handover from the source cell to the target cell. The terminal device determines an activated frequency domain resource based on the first frequency domain resource set.

Abstract: A communication method includes receiving an absolute timing advance command from a network device, and determining one of two uplink sending timing advances according to the absolute timing advance command. The absolute timing advance command includes a first field useable to indicate information about an uplink sending timing advance, and a second field useable to indicate a timing advance group identifier. The timing advance group identifier is associated with the one of the two uplink sending timing advances.

Abstract: A cell beam indication method and a related terminal device for receiving configuration information sent by a network device, where the configuration information is used to configure at least one cell group, and each cell group includes a first cell and a second cell. The terminal device determines, based on a first beam indicated via a first cell in a first cell group, a second beam corresponding to the first cell group, where the first cell group includes at least one multi-beam cell. The terminal device determines, based on the second beam, a third beam of a second cell in the first cell group. This method may be used for a multi-beam cell, to indicate that a common beam can be used for the multi-beam cell in a form of a cell group.

Abstract: This application provides a power control method including: receiving, by a second node, radio resource control (RRC) from a first node, where the RRC includes a power control parameter set configured for the second node, the power control parameter set includes a power control index, and the power control index is determined based on a transmission mode or a transmission capability of the second node; receiving downlink control information (DCI) including power control index indication information used to: when the first node schedules the second node, indicate a value of a power control index that is for uplink transmission and that is for the second node; determining a transmit power based on the power control index indication information and the power control parameter set; and sending a signal at the determined transmit power.

Abstract: A resource multiplexing method and apparatus are provided, to determine a set of available symbols in an NR IAB system. A first node determines a time domain position of a DU resource of a communications device, and determines a time domain position of an MT resource of the communications device based on the time domain position and a type of the DU resource and guard interval information. Alternatively, a first node determines a time domain position of an MT resource of a communications device, and determines a time domain position of a DU resource of the communications device based on the time domain position and a type of the MT resource and guard interval information.

Abstract: This application provides a resource configuration method and apparatus. A multiplexing type between a second functional unit and each of one or more antenna panels of a first functional unit is indicated to an IAB node, so that the IAB node obtains a resource configuration of an MT or a resource configuration of a DU based on the multiplexing type. This helps implement a resource configuration in the IAB node in a case of a plurality of antenna panels.