Abstract: A physical broadcast channel (PBCH) transmission method and an apparatus. The method includes scrambling PBCH based on a first scrambling code of the PBCH, where the first scrambling code is one of four scrambling codes, where a combination of a second least significant bit and a third least significant bit of a system frame number (SFN) indicates one value of four values, and where the four scrambling codes have a one-to-one correspondence with the four values, and sending the PBCH to a terminal device.

Abstract: Embodiments of this application provide a channel state information transmission method, a terminal device, and a network device. The method includes: sending, by a terminal device, a first reference signal through a first antenna port set, where the first antenna port set includes n antenna ports; receiving, by the terminal device, a second reference signal through a second antenna port set, where the second antenna port set includes N antenna ports, and the first antenna port set is a proper subset of the second.

Abstract: The present disclosure relates to reference symbol indication methods, devices, and systems. One example method includes receiving, by a user equipment, a target parameter including a target reference symbol indication sent by a base station, determining a target transmission mode and target reference symbol information based on the target parameter and a preset reference symbol mapping relationship, generating a target reference symbol based on the target reference symbol information, and demodulating data based on the target reference symbol and the target transmission mode, where the preset reference symbol mapping relationship includes a mapping relationship among a reference symbol indication, reference symbol information, and a transmission mode.

Abstract: A channel quality information transmission method and system are described. A terminal device determines a reporting priority of channel quality information according to a reporting priority rule when reporting of first channel quality information conflicts with reporting of second channel quality information. The device further determines to-be-reported content or to-be-discarded content based on the reporting priority of the channel quality information. The terminal device reports the to-be-reported content to a network device.

Abstract: A paging method, to improve transmission efficiency of a paging message is provided. The method includes that a first terminal device determines, in a discontinuous reception periodicity, a first paging occasion of the first terminal device. When channel listening on the first paging occasion fails, the first terminal device receives a first paging message in a time window, where a start position of the time window is determined based on the first paging occasion, and the time window includes at least one paging occasion.

Abstract: This application provides an example indication information transmission method. The method includes sending, by a network device, first indication information. The first indication information is used to indicate a time domain position at which second indication information is monitored. The method also includes sending, by the network device, the second indication information. The second indication information includes information about a channel occupancy time of the network device and/or slot format information of one or more slots corresponding to the channel occupancy time.

Abstract: This application provides a method for radio link monitoring on an unlicensed spectrum and a communications apparatus. The method includes: A terminal device determines one or more channel occupancy times COTs. The terminal device detects one or more downlink reference signals within the one or more COTs. The terminal device determines, based on the downlink reference signal detected within the one or more COTs, whether a channel needs to be reconnected. According to the method for radio link monitoring on an unlicensed spectrum that is provided in this application, accuracy of radio link monitoring performed on an unlicensed spectrum can be ensured, precision of a result of the radio link monitoring can be improved, and a more accurate result of the radio link monitoring can be obtained, thereby improving communication efficiency and communication quality.

Abstract: The present disclosure relates to beam configuration methods and apparatus. One example method include receiving, by a terminal, beam configuration information from a network device, where the beam configuration information is used to instruct the terminal to transmit a signal by using a first beam, and transmitting, by the terminal, the signal by using at least the first beam when a first preset duration starting from a time point expires, where the first time point is a time point at which the terminal sends an acknowledgement (ACK) message for the beam configuration information to the network device.

Abstract: A signal transmission method, a related device, and a system are provided. The method includes: A terminal receives configuration information, where the configuration information indicates N sets of power control parameters configured for M uplink resources or uplink resource sets, where M?1, M is a positive integer, N>1, and N is a positive integer; and the terminal transmits an uplink signal on the M uplink resources or uplink resource sets, where transmission power for transmitting the uplink signal on the M uplink resources or uplink resource sets is determined based on a first power control parameter, and the first power control parameter is selected from the N sets of power control parameters. According to the foregoing solution, uplink transmission power can be more flexibly adjusted, and power efficiency in uplink transmission and uplink transmission performance can be maximized.

Abstract: A method includes: determining, by a terminal device within a discontinuous reception period, an occasion set for paging of the terminal device based on a terminal device identifier, where the occasion set for paging includes at least two occasions for paging; and receiving, in a time range corresponding to the occasions for paging included in the occasion set for paging, a paging message. One discontinuous reception period is partitioned into a plurality of occasion sets for paging, and one occasion set for paging includes at least two occasions for paging. After determining, within a discontinuous reception period, a corresponding occasion set for paging, the terminal device may receive a paging message on an occasion for paging included in the occasion set for paging.

Abstract: This application discloses a communication method and a communications apparatus. The method includes: receiving a discovery reference signal from a network device, where the discovery reference signal includes one or more first signals, and the discovery reference signal further includes one or more second signals; and the first signal includes at least a common signal block or a CSI-RS. The first signal may be used to carry configuration information of the second signal, or configuration information of the discovery reference signal may be received from the network device. The corresponding apparatus is further disclosed. According to the solutions in this application, composition of the discovery reference signal can be accurately indicated, to avoid frequent channel discovery, and improve resource utilization efficiency of the discovery reference signal.

Abstract: The present disclosure relates to beam configuration methods. In one example method, a terminal device receives a first beam from a network device, where an identifier of a reference signal sent on the first beam is a first identifier. The terminal device configures a receive beam corresponding to the first beam based on a spatial reception parameter corresponding to a downlink synchronization signal associated with current measurement, where before receiving the first beam, the terminal device does not measure or report a second beam corresponding to the first identifier.

Abstract: The present disclosure relates to beam configuration methods and apparatus. One example method include receiving, by a terminal, beam configuration information from a network device, where the beam configuration information is used to instruct the terminal to transmit a signal by using a first beam, and transmitting, by the terminal, the signal by using at least the first beam when a first preset duration starting from a time point expires, where the first time point is a time point at which the terminal sends an acknowledgement (ACK) message for the beam configuration information to the network device.

Abstract: The present disclosure describes information reporting methods and related apparatuses used to control channel state information reporting between network devices. One example method includes receiving, by a second network device, control information sent by a first network device. The control information can include a trigger signal and a channel state information type, and the trigger signal can be used to trigger the second network device to report target channel state information to the first network device. The second network device determines the target channel state information based on the channel state information type, and then reports the target channel state information to the first network device based on the trigger signal and the channel state information type.

Abstract: Embodiments provide a method for generating a random access channel ZC sequence, and an apparatus. A method for generating a random access channel ZC sequence includes: generating, by a base station, notification signaling, where the notification signaling instructs user equipment (UE) to generate a random access ZC sequence by using a second restricted set in a random access set; and sending, by the base station, the notification signaling to the UE, so that the UE generates the random access ZC sequence by using the second restricted set, where the random access set includes an unrestricted set, a first restricted set, and the second restricted set; and the second restricted set is a random access set that the UE needs to use when a Doppler frequency shift of the UE is greater than or equal to a first predetermined value.

Abstract: This application relates to a method, includes: determining, by a terminal, a first initial transmit power and a second initial transmit power; receiving minimum guaranteed power information that is of channels carried by the first carrier and that is sent by an access network device; and obtaining an available transmit power for channels that are transmitted in N first subframes and that are carried by the first carrier and an available transmit power of a channel that is transmitted in a second subframe and that is carried by a second carrier.

Abstract: A detection window indication method and apparatus. The method includes receiving control channel configuration information from a network device, where the control channel configuration information indicates a resource multiplexing mode of a resource set of a control channel and a common signal block, and further indicates at least one of a duration of a detection window of the control channel or a time-domain start location of the detection window of the control channel, and detecting, according to the detection window and the resource set, the control channel.

Abstract: The present disclosure discloses a physical downlink control channel (PDCCH) candidate determining method and device, and relates to the field of wireless communications. The method includes: determining a PDCCH resource set p in a subframe k, where the PDCCH resource set p includes NECCE,p,k=q×r control channel elements (CCEs), a PDCCH candidate of an EPDCCH with an aggregation level being L corresponds to L CCEs having consecutive reference numerals, and the PDCCH candidate is capable of carrying a PDCCH; and determining the number of PDCCH candidates at the aggregation level L of a carrier corresponding to an index Cellindex and an CCE corresponding to each PDCCH candidate, where the CCE corresponding to each PDCCH candidate at the aggregation level L is related to the index Cellindex.

Abstract: The present disclosure relates to signal transmission methods, network devices, and terminal devices. One example method includes sending, by a network device, N first reference signals to a terminal device, where N is a positive integer greater than or equal to 1, sending, by the network device, physical layer control signaling to the terminal device, where the physical layer control signaling is used to trigger the terminal device to send a channel quality measurement result of the N first reference signals to the network device, and is used to instruct the terminal device to send M second reference signals to the network device, and M is a positive integer greater than or equal to 1, receiving, by the network device, the channel quality measurement result from the terminal device, and receiving, by the network device, the M second reference signals from the terminal device.

Abstract: This application provides an uplink reference signal sending method and apparatus, a base station, and user equipment (UE). The method includes: configuring, by the base station, M pieces of uplink reference signal resource information for the UE; and sending, by the base station, the M pieces of uplink reference signal resource information to the UE, so that the UE sends uplink reference signals based on different uplink reference signal resource information with different beamforming gains. A path loss is compensated for by using a beamforming technology. In addition, the base station configures the M pieces of uplink reference signal resource information for the user equipment UE, so that the UE sends the uplink reference signals by using different relatively uplink reference signal resource information based on different beamforming gains. Therefore, uplink reference signal sending efficiency is improved.