Abstract: A signal sending and receiving method includes: receiving, by a terminal device, at least one piece of resource configuration information for determining N reference signal resource groups, and each of the N reference signal resource groups includes at least one reference signal resource; and sending a reference signal on a resource in an ith reference signal resource group in the N reference signal resource groups by using a jth antenna group corresponding to the ith reference signal resource group, where the jth antenna group includes at least one antenna. The N reference signal resource groups correspond to N antenna groups, and any two of the N antenna groups are different.

Abstract: A method for indicating quasi co-location indication information and a device are provided, to diversify reference signal types and reference signal configuration information that are indicated by QCL. The method includes: generating, by a base station, reference signal configuration information; performing, by the base station based on the reference signal configuration information, quasi co-location QCL assumption on reference signals corresponding to at least two antenna ports in reference signals, to generate QCL indication information; and sending, by the base station, the QCL indication information to a terminal.

Abstract: Example relay transmission methods and apparatus are described. One example method includes receiving first information by a first relay node, where the first information includes information about a second resource of a second relay node. The first relay node sends second information to a terminal, where the second information includes the information about the second resource. The second information further includes information about a first resource of the first relay node.

Abstract: A data transmission method is provided to expand coverage of a broadcast channel, including: determining, by a base station, a plurality of data blocks carried on N broadcast channels, where an ith broadcast channel in the N broadcast channels corresponds to an ith antenna port (group) in N antenna ports (group); scrambling, by the base station, the data blocks carried on the N broadcast channels, to obtain scrambled code blocks carried on the N broadcast channels; and sending, by the base station on different time resource units by respectively using the N antenna ports, corresponding scrambled code blocks carried on the broadcast channels, or sending, by the base station on different time resource units by respectively using the N antenna port groups, corresponding scrambled code blocks carried on the broadcast channels.

Abstract: This application discloses a reference signal transmission method and an apparatus. A network node sends reference signals by mapping the reference signals to at least one resource unit, where the at least one resource unit includes a plurality of sub-resource units; and the network node receives, from the terminal, measurement information related to part of the plurality of sub-resource units. The terminal selects, based on configuration information of the reference signals, part of the measurement information to report, so that a quantity of channel resources occupied by the measurement information is reduced.

Abstract: A signal sending and receiving method includes: receiving, by a terminal device, at least one piece of resource configuration information for determining N reference signal resource groups, and each of the N reference signal resource groups includes at least one reference signal resource; and sending a reference signal on a resource in an ith reference signal resource group in the N reference signal resource groups by using a jth antenna group corresponding to the ith reference signal resource group, where the jth antenna group includes at least one antenna. The N reference signal resource groups correspond to N antenna groups, and any two of the N antenna groups are different.

Abstract: A transmitting device includes a plurality of antenna ports. Each antenna port is configured to transmit signals and is arranged at a different location, and each antenna port is assigned, depending on its location, a unique resource from a set of resources for signal transmission. Further, a receiving device, preferably on a vehicle, includes at least one antenna element configured to receive signals, and at least one processor configured to determine position and/or orientation information of the transmitting device of a received signal based on a resource from the set of resources for signal transmission.

Abstract: A time domain resource indication method includes sending, by a first node, first time domain resource configuration information to at least one second node. The first time domain resource configuration information is used by the at least one second node to determine second time domain resource configuration information sent by the at least one second node to at least one third node. The first time domain resource configuration information indicates first time domain resources of a link between the first node and the at least one second node. The second time domain resource configuration information indicates second time domain resources of a link between the at least one second node and the at least one third node.

Abstract: A wireless communications method is provided and applied to a communications system using a frequency domain resource with a specified bandwidth. The frequency domain resource is divided into at least two frequency domain resource groups, each frequency domain resource group includes at least one resource block, the at least two frequency domain resource groups belong to a same cell. The method includes: determining, from the at least two frequency domain resource groups, a target frequency domain resource group to be allocated to a target terminal device, where the target frequency domain resource group includes at least one frequency domain resource group; sending first indication information to the target terminal device, where the first indication information is used to indicate the target frequency domain resource group; and performing wireless communication with the target terminal device by using the target frequency domain resource group. Therefore, different user requirements can be flexibly met.

Abstract: Embodiments of the present invention provide a method for transmitting uplink data, user equipment, and a base station. The method includes: when user equipment UE correctly receives, in a subframe n, downlink control signaling used for instructing the UE to transmit a physical uplink shared channel PUSCH, determining, by the UE according to the downlink control signaling and a subframe bundling configuration, a bundled subframe for transmitting the PUSCH, where the subframe bundling configuration includes a quantity of bundled subframes; and transmitting the PUSCH in the bundled subframe. In the embodiments of the present invention, a bundled subframe is introduced, which increases scheduling resources for a PUSCH, and enhances coverage performance of a signal.

Abstract: This application provides a reference signal sending and receiving method, a network device, a terminal device, and a system, to be applicable to resource configuration for an SRS in NR. The method includes: sending, by a terminal device, a sounding reference signal SRS based on a location of a starting subcarrier for transmitting the SRS, where the location of the starting subcarrier for transmitting the SRS is determined by an offset of a sounding region, the offset of the sounding region indicates a resource offset between a starting subcarrier of the sounding region and a starting subcarrier of a bandwidth part BWP of the terminal device, and the sounding region is a resource that can be used to transmit the SRS.

Abstract: Embodiments of the present invention disclose a PUSCH transmission method and apparatus. The method includes: sending, in a first subframe, downlink control signaling that instructs user equipment UE to transmit a physical uplink shared channel PUSCH, where the downlink control signaling carries downlink control information, and the downlink control information is used to indicate a subframe for transmitting the PUSCH, where the subframe for transmitting the PUSCH is any one of or any combination of N subframes, the N subframes include a special subframe, and N is an integer not less than 1; and receiving the PUSCH in the subframe indicated by the downlink control information. It can be seen that, in the embodiments of the present invention, a subframe in which a PUSCH is transmitted and that is indicated by downlink control information includes a special subframe; therefore, the special subframe can be scheduled to transmit the PUSCH.

Abstract: This application provides a communication method, a network device, and a relay device. A first network device determines a first resource, where the first resource includes a resource used by a second network device to send a first signal to a second relay device, or the first resource includes a resource configured by the second network device for a first signal with zero power. The first network device sends first configuration information to a first relay device, where the first configuration information is used by the first relay device to determine a second resource for sending a second signal, and the second resource is a part or all of the first resource. According to embodiments of this application, relay devices can discover each other, thereby improving signal transmission efficiency.

Abstract: A measurement reporting method and a device are disclosed. The method includes: receiving, by a first device, configuration information from a second device, where the configuration information is used by the first device to report information about an association relationship between a zero power-reference signal resource and a non zero power-reference signal resource; and reporting, by the first device, the information about the association relationship based on the configuration information. In this solution, the second device can accurately obtain resources on which the first device is interfered with, and perform targeted resource scheduling, to avoid scheduling of beams with strong mutual interference in two cells, thereby reducing interference.

Abstract: This application discloses a signal transmission method. The method may include: receiving, by a first device, reference configuration information for a signal resource sent by a second device, where the reference signal is used to measure interference between a first link and a second link, the first link is a link between the first device and a fourth device, the second link is a link between the second device and a third device, and the first device and the second device are relay nodes between the third device and the fourth device; and sending or receiving, by the first device, a reference signal on a reference signal resource indicated by the resource configuration information for the signal resource.

Abstract: This application provides a communication method, a terminal, and a network device. The method includes: receiving, by a terminal, indication information from a network device, where the indication information includes an identifier of at least one reference signal; and determining, by the terminal, that there is a correspondence between a resource used to send a first channel and a first reference signal of the at least one reference signal, where the first channel is a channel to be transmitted by the terminal, and there is a spatial quasi co-location QCL relationship between a port of the first channel and a port of the first reference signal, or there is a spatial QCL relationship between a port of a demodulation reference signal DMRS of the first channel and a port of the first reference signal.

Abstract: A system and method for adapting code rate are provided. A method for a first communication device to transmit a resource assignment to at least one communication device includes assigning at least one transmission resource to transmit the resource assignment, adapting a code rate of an encoded payload based on the at least one transmission resource and a threshold, thereby producing an adapted payload, and transmitting the adapted payload.

Abstract: Embodiments of the present invention relate to the communications field, and disclose an information transmission method and device to implement beamforming on an SRS. A specific solution is as follows: A base station configures at least one first resource for a UE, where the first resource is used by the UE to transmit a target channel and/or signal; and the base station transmits first indication information to the UE, where the first indication information is used to indicate a correspondence between the first resource and a beam, or the first indication information is used to indicate a correspondence between the first resource and a second resource. The embodiments of the present invention are used in a beamforming process.

Abstract: A frequency hopping processing method and apparatus are disclosed, where user equipment receives frequency hopping information, which is sent by a network device, of an extended transmission time interval (TTI); and determines a frequency hopping area of the extended TTI according to the frequency hopping information of the extended TTI. The frequency hopping area of the extended TTI and a frequency hopping area of a normal TTI do not overlap in frequency, and during M-PUSCH frequency hopping of each extended TTI, the user equipment can hop into a corresponding M-PUSCH frequency hopping area according to a preset frequency hopping pattern, and does not hop into a PUSCH frequency hopping area, so that a resource conflict does not exist when M-PUSCH frequency hopping of an extended TTI and PUSCH frequency hopping of a 1 ms TTI are performed at the same time.

Abstract: This application provides a method for reporting port information, a terminal device, and a network device. The method includes: determining, by a terminal device, an uplink signal, where the uplink signal includes information about a phase tracking reference signal PTRS port of the terminal device, or the uplink signal includes information about the PTRS port and information about a DMRS port, or the uplink signal includes a correspondence between the PTRS port and the DMRS port; and sending, by the terminal device, the uplink signal to a network device. In embodiments of this application, the terminal device reports the uplink signal to the network device, so that the network device does not need to configure different PTRS ports for DMRS ports, to avoid configuring excessive PTRS ports, thereby saving PTRS port resources.