Abstract: The present disclosure relates to uplink transmission methods and apparatus. One example method includes sending, by a first device, a quality criterion event of at least one link between the first device and a second device to the second device, where a quality criterion event of each link includes at least one parameter, and receiving report information determined by the second device based on a quality criterion of the at least one link and the parameter in the quality criterion event of each link.

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 demodulation reference signal (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.

Abstract: This application provides a data transmission method, a terminal device, and an access network device. The data transmission method includes: receiving, by a terminal device, information, sent by an access network device, about a carrier corresponding to the terminal device; determining, based on the information about the carrier, a process quantity corresponding to the carrier; and transmitting data based on the process quantity corresponding to the carrier. In this way, the process quantity can be determined accurately and efficiently, thereby improving data transmission reliability.

Abstract: A carrier scheduling method and apparatus. The method comprises determining search spaces of downlink control channels corresponding to at least two first transmission time units on a first carrier, where the at least two first transmission time units are scheduled in one second transmission time unit on a second carrier, and the downlink control channels are in a one-to-one correspondence with the first transmission time units; and obtaining, in the search spaces, the downlink control channels corresponding to the at least two first transmission time units. In this application, a plurality of transmission time units on another carrier are scheduled in a cross-carrier manner, thereby improving transmission resource utilization.

Abstract: This application provides a communication method, a network device, and a relay device for relay devices to discover one another. 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.

Abstract: The application relates to a method for antenna port indication. A terminal receives information indicating an antenna port set of a pilot from a base station. The antenna port set is used for a resource block (RB) set and the pilot is used for data demodulation. The terminal determines the antenna port set based on the received information. By implementing the solution in the application, transmission resource utilization is improved.

Abstract: A method and an apparatus for mapping a reference signal. The method includes: mapping a target-class signal to a target symbol, where the target symbol is some symbols in a first symbol set on a time-frequency resource block, the first symbol set is a set of some symbols or all symbols on the time-frequency resource block, the target-class signal has at least two functions, and the at least two functions include a function of estimating a parameter that affects signal transmission; and mapping the reference signal to a symbol in the first symbol set other than the target symbol, where the reference signal has the function of estimating a parameter that affects signal transmission.

Abstract: A base station is configured to: configure a transmission group including at least two User Equipments (UEs), and transmit a signal to at least one of UEs in the transmission group. The signal includes information about a feedback to be received from at least one of the UEs in the transmission group. The feedback includes information about the UEs in the transmission group. A UE is configured to: receive a signal from a base station, in particular a gNB. The signal includes information about a feedback to be reported to the base station from at least one of the UE or another UE in a transmission group configured by the base station. The transmission group includes at least two UEs.

Abstract: Embodiments of this application provide an information transmission method and a device. The method includes: sending, by a first device, M signals to a second device through N ports, where N and M are integers, and M?N?2; and receiving, by the first device, measurement information sent by the second device, where the measurement information is determined by the second device based on the M signals, and the measurement information is used to indicate a relationship between the N ports. Therefore, in the embodiments of this application, the relationship between the ports is determined by using characteristics of the ports on a side of the second device, so that the first device can relatively accurately determine the relationship between the ports, and the first device can perform appropriate communication management on the plurality of ports. This improves performance of transmission between the first device and the second device.

Abstract: The present application relates to wireless communications suitable for smart manufacturing and industrial automation. In particular, the application proposes a wireless communication device (UE) and a network device (BS), in particular suitable for cyclic communication. The BS is configured to provide a first information defining a hopping sequence to a UE, and to provide a second information to the UE defining when the hopping sequence should be repeated, in particular periodically repeated. The UE is accordingly configured to receive the first information from the BS, and to receive the second information from the BS. The hopping sequence specifies at least two spatial resources and/or at least two radio resources, which the UE is configured to use for transmissions to and/or from the BS.

Abstract: Embodiments of this application provide a data transmission method and a device. The method includes: obtaining, by a terminal, first indication information or second indication information, where the first indication information is used to indicate that a reference signal is carried in a resource unit, and the second indication information is used to indicate that no reference signal is carried in a resource unit; and performing, by the terminal, data transmission according to the first indication information or the second indication information. The reference signal can be properly configured in the embodiments.

Abstract: The present disclosure relates to a network device, in particular a User Equipment (UE) or a base station (BS), of a group of network devices involved in a cooperative passive positioning (CPP) operation comprising at least two network devices for detecting and positioning at least one target object. One example network device is configured to apply an operation mode from one or more of: initiating network device for initiating a CPP measurement, transmitting network device for transmitting a radio signal to scan for an environment of the network device, receiving network device for receiving a reflection signal based on a reflection of the radio signal from the at least one target object, and data fusion network device for detecting and positioning the at least one target object based on at least one of the reflection signal or a Line-of-Sight (LOS) signal.

Abstract: This application provides a communication method and an apparatus, to allocate a resource for wireless transmission between a base station and a terminal. The method includes: determining, by a base station based on a first measurement report, a first resource set that can be used for wireless transmission between the base station and a terminal served by the base station; determining, by the base station based on a second measurement report, a second resource set that can be used for wireless transmission between the base station and the terminal, where the second measurement report is a measurement report currently reported by the terminal; determining, by the base station based on the first resource set and the second resource set, a third resource set that can be used for wireless transmission between the base station and the terminal.

Abstract: The application relates to a user equipment configured to communicate using a first signal or channel via a first resource with a first device and using a second signal or channel via a second resource with a second device. The user equipment is configured to: measure the first signal or channel in the first resource for a beam or link failure detection; and, in response to a detected failure in the first resource, transmit the second signal or channel via the second resource to the second device for a failure recovery request. The first device can be a further user equipment and the second device can be a base station, wherein the first resource is a sidelink resource between the user equipment and the further user equipment and the second resource is an uplink resource between the user equipment and the base station.

Abstract: A first communication device is configured to communicate with a second communication device and a third communication device in a wireless communication network using beamforming. The first communication device is configured to determine a new beam from a plurality of available beams of the second communication device in response to a beam failure event. The second communication device transmits a beam failure recovery request (BFRQ) message to the third communication device. The BFRQ message contains information about the new beam determined by the first communication device. The second communication device receives from the second communication device a BFRQ response message.

Abstract: Embodiments of the present disclosure disclose example user equipment and a base station for communication in a wireless communication network. One example user equipment includes at least one processor performing operations that include: receiving, by the user equipment, configuration information from a base station using a first communication resource. A communication configuration of the user equipment is defined by the configuration information using a second communication resource. The communication configuration is used for communicating with at least one of the base station or a further user equipment. In the base station case, the configuration information includes at least one of a scheduling request (SR) or a priority configuration.

Abstract: Embodiments of the present disclosure provide an uplink access method, a base station, and user equipment. The method includes: sending, by a base station, N signals and N pieces of physical random access channel PRACH resource indication information, where N is an integer greater than or equal to 2; and receiving, by the base station, a random access preamble sequence of the user equipment on PRACH resources indicated by the N pieces of PRACH resource indication information. Based on the foregoing solution, a quantity of random access preamble sequences sent by the user equipment is reduced, and uplink access complexity is reduced.

Abstract: A method for communicating in a wireless communications system includes generating a channel state information (CSI) process information element (IE) including a CSI process identifier, a non-zero padded CSI-reference signal (CSI-RS) identifier, an interference measurement resource (IMR) identifier, and channel quality indicator (CQI) report configuration information. The method also includes transmitting the CSI process IE.

Abstract: Embodiments of the present disclosure provide a message feedback method and apparatus for carrier aggregation. The method includes: receiving, by a terminal in a first downlink subframe on a carrier aggregation group, a data packet sent by a base station, where the carrier aggregation group includes a first carrier and a second carrier; determining a first timing, based on a subframe configuration for the carrier aggregation group and a mapping relationship between subframe configurations for carrier aggregation groups and timings; determining a first uplink subframe from subframes on the carrier aggregation group based on the first timing; and sending, to the base station, a feedback message in the first uplink subframe. In this way, the first uplink subframe is determined on the entire carrier group for sending the feedback message, and a selectable range is larger.

Abstract: This application provides an information transmission method and apparatus. A first device sends control information to a second device, where the control information is carried on a control channel, a position of an orthogonal frequency division multiplexing OFDM symbol, to which the control channel is mapped, in a time unit is at least one position in a position set, the time unit is a subframe, a slot, or a mini-slot, the control information is used to schedule at least one resource unit, and the resource unit includes at least one OFDM symbol. In the foregoing solution, complexity of detecting a control channel by a receive end may be reduced.