Abstract: A random access preamble sequence generation method and user equipment are provided. The method includes the following: when receiving first notification signaling sent by a base station, determining, by UE, to calculate a cyclic shift value by using a first solution; obtaining a first logical root sequence number, and determining a root sequence based on the first logical root sequence number; and generating a random access preamble sequence based on the root sequence and the cyclic shift value, where the first solution is a solution of calculating the cyclic shift value when a Doppler shift of the UE is less than a first preset value and greater than a second preset value, the first preset value is less than twice of a physical random access channel (PRACH) subcarrier spacing, the second preset value is greater than the PRACH subcarrier spacing.

Abstract: A communication method includes determining a third time unit and a fourth time unit. The third time unit includes all or a part of time units that are in at least one first time unit and that are used for transmission in a first transmission direction. A first signal is transmitted in the at least one first time unit in the first transmission direction based on a quantity of repeated transmissions. The fourth time unit is located after the at least one first time unit in a time domain, and the third time unit and the fourth time unit meet a requirement of transmitting the first signal based on the quantity of repeated transmissions. The method also includes repeatedly transmitting the first signal in the third time unit and the fourth time unit.

Abstract: An uplink transmission method includes sending, by a terminal device to a network device, an uplink signal that includes a zero power reference signal. In a time-frequency resource for sending the uplink signal, a transmit power of the uplink signal within a range of a time-frequency resource of the zero power reference signal is zero.

Abstract: A communication method includes receiving, by a terminal device, first information from a network device. The first information indicates a precoding matrix. The communication method also includes determining, by the terminal device, the precoding matrix based on the first information. The precoding matrix is for sending an uplink signal. The precoding matrix is determined based on a first matrix and a second matrix. At least one of the first matrix is determined from a first matrix set based on the first information, wherein the first matrix set is determined based on a horizontal-dimension parameter of an antenna of the terminal device; or the second matrix is determined from a second matrix set based on the first information, wherein the second matrix set is determined based on a vertical-dimension parameter of the antenna.

Abstract: This application provides a data transmission method. The method may include: determining that a position of a start bit of a first bit sequence and a position of an end bit of a second bit sequence are contiguous in a coded bit sequence, where the first bit sequence is a bit sequence in first transmission, the second bit sequence is a bit sequence in second transmission, the first transmission and the second transmission carry a same transport block, and the second transmission is previous transmission of the first transmission; and receiving and/or sending the first bit sequence.

Abstract: A communication method includes sending indication information to a terminal device. The indication information indicates a first demodulation reference signal (DMRS) port and a code division multiplexing (CDM) group in which the first DMRS port is located. The communication method further includes receiving in a first group and a second group of REs associated with the CDM group, a first DMRS through the first DMRS port. A first orthogonal cover code (OCC) for transmitting the first DMRS in the first group of REs through the first DMRS port is different from a second OCC for transmitting the first DMRS in the second group of REs. The first second group of REs being located in a same resource block (RB), located on a same subcarrier, and located in different symbols in a same slot; or located in different RBs, and being located in a same symbol in the same slot.

Abstract: This application discloses a precoding matrix determining method and an apparatus. The method includes: A terminal device receives first precoding indication information from a network device; and the terminal device determines, from a first codebook set, a first precoding matrix indicated by the first precoding indication information, where the first codebook set includes the first precoding matrix, a second precoding matrix, and a third precoding matrix, an element at a first position in the first precoding matrix is equal to a value of exponentiation with a first value as an exponent and a natural constant as a base.

Abstract: A radio node and a UE are described, and methods and computer programs therein to handle separate aperiodic CSI reports for one or more static subframes, in which the direction of signal transmission is fixed, and one or more flexible subframes, in which the direction of signal transmission is variable. The method performed by a UE comprises receiving a trigger for an aperiodic CSI report as part of an uplink grant from a radio node in a static downlink subframe, said trigger indicating a CSI subframe set related to the one or more static subframes. The method further comprises reporting to the radio node, in a CSI reporting subframe, a result of an aperiodic CSI measurement for a CSI reference in the CSI subframe set. The method further comprises receiving a second trigger that relates to the one or more flexible subframes and reporting the results to the radio node.

Abstract: This application provides a signal sending method, a signal receiving method, and a related apparatus. The method includes: modulating a bit stream to generate a modulated symbol, where a modulation order of the bit stream is n, a value of the modulated symbol is one of a plurality of complex number sets, the complex number set includes Y = 2n complex numbers, and the complex number set meets: a ratio of a real part of a first complex number with a largest absolute value of the real part to a real part of a second complex number with a smallest absolute value of the real part is equal to M:N, where M and N are positive integers, a greatest common divisor of M and N is 1.

Abstract: An uplink transmission method includes receiving a first message that is used to configure a first uplink resource. The method also includes performing uplink transmission on the first uplink resource. The first uplink resource includes at least a first part and a second part in a first time period, a phase deviation of uplink transmission between the first part and the second part falls within a first threshold range, or a power deviation of uplink transmission between the first part and the second part falls within a second threshold range. The first time period is a duration between a start time and an end time of the first uplink resource in a first time length, or a duration between a start time and an end time of the first uplink resource in a first transmit opportunity.

Abstract: A method for wireless communication and an apparatus are provided, comprising: determining location information, wherein the location information indicating a quantity of M subcarrier spacings between a second location of a physical resource block (PRB) in a system common PRB grid and a first location in a synchronization signal block, the system common PRB grid having a first subcarrier spacing, the first location being a beginning subcarrier of the synchronization signal block and the first location overlapping with the PRB; sending the location information via a broadcast message.

Abstract: Embodiments of this application provide a signal receiving method, a signal sending method, and a corresponding apparatus. The method includes: A terminal device receives indication information from a network device, where the indication information indicates at least one SRS resource, and the at least one SRS resource corresponds to a receive antenna to be used by the terminal device to receive a downlink signal. The terminal device receives the downlink signal from the network device by using the receive antenna corresponding to the at least one SRS resource.

Abstract: A reference signal sending method, a reference signal receiving method, and an apparatus are provided. A first network device determines a first resource. The first network device generates a reference signal corresponding to the first resource. The reference signal includes M parts, and all of the M parts are the same. The first resource does not carry a cyclic postfix of the reference signal. Alternatively, the first resource carries a cyclic prefix of the reference signal and the cyclic prefix corresponding to the reference signal is located only at the start of the 1st part in the M parts. M is a positive integer. The first network device sends the reference signal to a second network device on the first resource.

Abstract: A method and an apparatus for transmitting or receiving information are provided. The method includes: receiving, by a terminal device, indication information from a network device, where the indication information indicates a timing adjustment parameter, the timing adjustment parameter is to be used by the terminal device to determine transmit timings on a first uplink carrier and a second uplink carrier, the first uplink carrier is an uplink carrier of a first radio access technology, and the second uplink carrier is an uplink carrier of a second radio access technology; and determining, by the terminal device, the timing adjustment parameter based on the indication information.

Abstract: An information receiving method and apparatus, and an information sending method and apparatus are disclosed. The information receiving method includes: A terminal device receives first configuration information from a network device, where the first configuration information carries precoding indication information of each resource unit of N resource units allocated to the terminal device; and the terminal device performs precoding processing on uplink data carried on each resource unit by a precoding matrix corresponding to the precoding indication information of each resource unit, based on the first configuration information. In this method, the terminal device determines, based on the precoding indication information, a quantity N and sizes of the resource units obtained through division.

Abstract: A method for wireless communication and an apparatus are provided, comprising: determining location information, wherein the location information indicating a quantity of M subcarrier spacings between a second location of a physical resource block (PRB) in a system common PRB grid and a first location in a synchronization signal block, the system common PRB grid having a first subcarrier spacing, the first location being a beginning subcarrier of the synchronization signal block and the first location overlapping with the PRB, M is a value of a preset value set, and the preset value set is {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23}; sending the location information via a broadcast message.

Abstract: A resource configuration method, apparatus and storage medium are disclosed. The method includes: sending, by a network device, first information to a terminal, where the first information is used by the terminal to determine not to send data and/or receive data on a first resource; and the first information includes first indication information used to indicate a first resource block (RB) and second indication information used to indicate a subcarrier occupied by the first resource on the first RB; or the first information includes third indication information used to indicate a first subcarrier, and the first subcarrier is used to determine the first resource. The resource configuration method and apparatus and the storage medium that are provided in the present disclosure can improve resource configuration flexibility.

Abstract: Various embodiments provide a communication method, a communications apparatus, and a computer-readable storage medium. In those embodiments, a first transmit power can be determined for transmitting first information in a first time unit on a first carrier and a second transmit power can be determined for transmitting second information in a second time unit on a second carrier. A third transmit power can be determined for transmitting the second information in a first time period and transmitting the second information in a second time period using the second transmit power or the third transmit power. The second information can be sent in the first time period using the third transmit power. In those embodiments, a sum of powers used by a terminal device to transmit two uplink carriers in a same time period does not exceed a maximum transmit power of the terminal device.

Abstract: An information receiving method and an apparatus are disclosed. The method includes: receiving, by a terminal device, first power information and second power information from a network device; and determining a first maximum transmission power based on the first power information, and determining a second maximum transmission power based on the second power information, where the first maximum transmission power is a maximum transmission power to be used by the terminal device for transmitting a signal by a first radio access technology, and the second maximum transmission power is a maximum transmission power to be used by the terminal device for transmitting a signal by a second radio access technology.

Abstract: A data transmission method includes determining, by a base station, a first phase noise compensation reference signal (PCRS) port set and a second PCRS port set in a first scheduling period, where the first PCRS port set includes at least one port used to transmit a PCRS, but the second PCRS port set does not include a port used to transmit a PCRS in the first scheduling period; determining, by the base station, a first time-frequency resource element corresponding to the at least one port used to transmit a PCRS in the first PCRS port set; if a quantity of first time-frequency resource elements is greater than or equal to 1, sending, by the base station, a PCRS to user equipment on the first time-frequency resource element; and sending, by the base station, data to the user equipment on a second time-frequency resource element corresponding to the second PCRS port set.