Abstract: Embodiments of this application disclose a resource allocation method, a base station, and a terminal. The method includes: A base station sends a configuration message to a terminal, where the configuration message is used to configure, for the terminal, a random access channel RACH resource used in a channel occupancy time COT. The base station receives a random access request that is sent by the terminal based on the RACH resource allocated by using the configuration message. According to embodiments of this application, a random access latency of the terminal can be reduced.

Abstract: Disclosed are a method and an apparatus for sending and receiving a reference signal set. The method includes: sending, by a network device, configuration information for a reference signal set; and sending, by the network device, the reference signal set based on the configuration information, where the reference signal set is associated with a PF, and in time domain, the reference signal set is after a synchronization signal burst set and before a first PO in the PF. Therefore, when a time gap between the synchronization signal burst set and a PO for a terminal device is relatively long, the terminal device may perform AGC tuning, time/frequency tracking, beam selection, and RRM measurement based on the reference signal set, to reduce wake-up times of the terminal device or reduce a wake-up duration of the terminal device, thereby reducing power consumption of the terminal device.

Abstract: This application discloses a method for indicating PDSCH receiving information, a data receiving method, and an apparatus. According to this application, a network device generates first indication information, where the first indication information is used to indicate physical downlink shared channel PDSCH receiving information, and the PDSCH receiving information includes information identical to physical downlink control channel PDCCH receiving information; and the network device transmits the first indication information over a PDCCH. This application can be used to improve efficiency of indicating PDSCH receiving information, thereby improving PDSCH receiving performance.

Abstract: This application provides a method including: receiving first configuration information of a sounding reference signal (SRS) resource from a network device, where the first configuration information includes a repetition factor of the SRS resource, and the repetition factor of the SRS resource is a quantity N of positions at which the SRS resource is mapped to a same subcarrier and mapped to at least one continuous symbol in one time unit, where N?1 and is an integer; determining at least one first frequency domain resource to which the SRS resource is mapped in a first time unit.

Abstract: Embodiments provide resource scheduling method, user equipment, and an access network device. The method includes: receiving, by user equipment over a first control channel, first indication information corresponding to a transport block, where time-frequency resources occupied by a data channel in which the transport block is located include a first resource set and a second resource set, and the first indication information is used to indicate the first resource set and a time-frequency resource of a second control channel; receiving, by the user equipment, second indication information over the second control channel, where the second indication information is used to indicate the second resource set; and determining, by the user equipment, the transport block based on the first resource set and the second resource set. This can reduce control signaling overheads and improve flexibility of control channel resource scheduling.

Abstract: This application provides a sequence-based signal processing method and apparatus. A sequence used for sending a signal on a PUSCH is determined. The sequence is a sequence {x} including N elements, xn is an element in the sequence {xn}, and the determined sequence {xn} is a sequence satisfying a preset condition. Then, a first signal is generated and sent. By using the determined sequence, when a signal is sent on the PUSCH, relatively good sequence frequency domain flatness can be maintained, and a relatively low PAPR. value and a relatively low cross-correlation between sequences can be maintained, thereby satisfying a communications application environment in which a signal is sent on the PUSCH, especially an NR system scenario or an NR similar scenario.

Abstract: This application discloses a measurement method and apparatus, and a device. The method includes: the terminal device divides all neighbors detected on a same measurement frequency into at least two measurement groups, and performs RRM measurement separately on the at least two measurement groups based on an RRM measurement parameter corresponding to each measurement group, where the at least two measurement groups are in a one-to-one correspondence with at least two RRM measurement parameters, and the terminal device has different power consumption when performing RRM measurement on the at least two measurement groups based on the corresponding RRM measurement parameters.

Abstract: Embodiments of the present invention provide a method for determining a precoding matrix indicator, a receiving device, and a sending device. The method for determining a precoding matrix indicator includes: selecting, by a receive end, a precoding matrix W from a codebook based on a reference signal sent by a transmit end, where the precoding matrix W is a product of two matrices W1 and W2, where the W1 includes NB block matrices Xi, NB?1, and the W1 is indicated as: W1=diag{X1, . . . , XNB}, where 1?i?NB, and a column xi,j of each block matrix Xi is a Kronecker kronecker product of a first vector Aij and a second vector Bij, that is, xij=Aij?Bij; and sending, by the receive end, a precoding matrix indicator PMI corresponding to the precoding matrix W to the transmit end, so that the transmit end obtains the precoding matrix W according to the PMI.

Abstract: Embodiments of this application provide a signal communication method and apparatus. The method includes: sending, by a network device, a channel quality threshold to a terminal device, where the channel quality threshold is used by the terminal device to report first channel quality information, and the channel quality threshold is a threshold of second channel quality information; and receiving, by the network device, a first quantity of pieces of the first channel quality information sent by the terminal device based on the channel quality threshold.

Abstract: This application discloses a data transmission solution. A terminal device generates channel state information and data for transmission in a data channel. The transmit power of the data channel is determined based on the number of bits used to transmit the data and the number of bits used to transmit the channel state information. The solution of this application reduces bit error probability and improves data decoding accuracy.

Abstract: This application provides a transmission method, a network device, and a terminal, to save resources. The method includes: determining, by a network device, downlink control information DCI, wherein the DCI includes a first request field, information in the first request field is only used to instruct to send a first reference signal on a first resource, or the information in the first request field is used to instruct to send the first reference signal on the first resource and instruct a terminal to report a measurement result of the first reference signal on the first resource, and the measurement result includes channel state information CSI and/or beam state information BSI; and sending, by the network device, the DCI to the terminal.

Abstract: Implementations of this disclosure provide sequence-based signal processing methods and apparatuses. In one implementation, a method comprising: determining, by a terminal device, a sequence {xn} comprising N elements, wherein Nis an integer greater than 1, n=0, N?1, and the N elements of the sequence {xn} satisfies xn=A×bn=jn, where A is a non-zero complex number, j=?{square root over (?1)}, bn is a sequence of unmodulated bits; generating, by the terminal device, a signal based on the sequence {xn}; and sending, by the terminal device, the signal to a network device.

Abstract: This application provides a communication method and a communications device. The method includes: after a terminal sends a first preamble to a network device, determining, by both the terminal and the network device, a scramble value of a first RAR according to an ith time unit, a first frequency domain resource, and a maximum RAR time window length, where the ith time unit is a first time unit corresponding to a first time domain resource, the maximum time window length includes M time units, and M equals to an integer multiple of a quantity of time units included in a system frame of each system parameter in a plurality of system parameters for communication between the terminal and the network device. Therefore, RAR detection accuracy may be improved.

Abstract: Embodiments of this application provide a control information transmission method. The method includes: User equipment UE sends report information to a base station, where the report information includes a detection result of one or more downlink reference signals of the UE or a status of a timer/counter corresponding to the one or more downlink reference signals; the UE receives feedback information from the base station, where the feedback information includes sending status information of the one or more downlink reference signals.

Abstract: The present disclosure relates to signaling transmission methods. In one example method, a base station receives an uplink reference signal sent by user equipment (UE). The base station determines a quantity of antenna ports, where the quantity of antenna ports is a quantity of antenna ports used by the UE to send the uplink reference signal. The base station determines frequency domain resource information based on the quantity of antenna ports, where the frequency domain resource information indicates at least one of a quantity of sub-bands or a sub-band bandwidth. The base station determines a precoding matrix indicator (PMI) of each sub-band based on the frequency domain resource information. The base station sends the PMI of the sub-band to the UE.

Abstract: A random access method, user equipment, and a network device are provided to reduce interference to a neighboring cell. The method includes: receiving at least two groups of random-access configuration parameters from a network device, where each group of random-access configuration parameters includes a power adjustment step for retransmission of a random access preamble; selecting one group of random-access configuration parameters from the at least two groups of random-access configuration parameters based on a threshold; determining transmit power of the random access preamble based on a power adjustment step for retransmission of the random access preamble in the selected random-access configuration parameters; and sending the random access preamble to the network device at the transmit power.

Abstract: The present disclosure relates to channel quality information reporting methods, apparatus, and systems. One example method includes obtaining, by a user equipment (UE), a reporting method of reporting channel quality information by the UE, and reporting, by the UE, the channel quality information to a base station in the reporting method. The reporting method comprises at least one of a reporting granularity, a reporting range, and a reporting mode.

Abstract: This application provides a transmission method and apparatus. The method includes: A terminal sends a random access preamble to a base station at a first transmit power, and sends a PUSCH to the base station at a second transmit power, where power deviation between the first transmit power and the second transmit power is indicated to the base station by using indication information; and the terminal receives a random access response or a contention resolution message from the base station. Implementing this application can improve an existing random access procedure, so that the random access procedure is adapted to scenario requirements such as low delay, high reliability, and large-scale terminal access.

Abstract: The present disclosure relates to beam configuration methods and apparatus. One example method include receiving beam configuration information from a network device, where the beam configuration information indicates a terminal device to transmit or receive a signal by using a first beam, and transmitting or receiving the signal by using at least the first beam after a first preset duration starting from a first time-domain unit, where the first time-domain unit is an unlink slot in which an acknowledgement (ACK) message for the beam configuration information is transmitted to the network device.

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.