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CN-122001538-A - Signal transmission method, device, terminal, network equipment and medium

CN122001538ACN 122001538 ACN122001538 ACN 122001538ACN-122001538-A

Abstract

The application discloses a signal transmission method, a device, a terminal, network side equipment and a medium, belonging to the technical field of communication; the first signal corresponds to a first channel, and the first parameter is related to at least one of a type of the first channel, a resource allocation position of the first channel, a transmission power of the first channel, a modulation order of the first channel, a waveform of the first channel, a PAPR of the first channel, a type of the first signal, a number of ports of the first signal, a number of symbols of the first signal, a sequence of the first signal, and a PAPR of the first signal.

Inventors

  • SUN RONGRONG
  • SUN PENG
  • WU HAO
  • TAMARAKA RAGESH

Assignees

  • 维沃移动通信有限公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (20)

  1. 1. A method of signal transmission, the method comprising: The terminal sends a first signal based on the first parameter; The first parameter is related to at least one of a type of the first channel, a resource allocation position of the first channel, a transmission power of the first channel, a modulation order of the first channel, a waveform of the first channel, a peak-to-average power ratio (PAPR) of the first channel, a type of the first signal, a number of ports of the first signal, a number of symbols of the first signal, a sequence of the first signal, and a PAPR of the first signal.
  2. 2. The method according to claim 1, wherein the value of the first parameter is not 0 in case a first condition is fulfilled; wherein the first condition includes at least one of: The transmitting power of the first channel is larger than or equal to the maximum transmitting power of the terminal; The modulation order of the first channel is a first modulation order; the bandwidth of the first channel is greater than or equal to the first bandwidth; the waveform of the first channel is a first waveform.
  3. 3. The method according to claim 1 or 2, wherein the first signal corresponds to a first channel, comprising at least one of: The port of the first signal corresponds to the transmission layer of the first channel; the antenna port of the first signal is the same as the antenna port of the first channel.
  4. 4. A method according to any of claims 1 to 3, wherein the terminal transmitting the first signal based on the first parameter comprises: the terminal determining a scaling factor of the first signal based on the first parameter; The terminal transmits the first signal using the scaling factor.
  5. 5. A method according to any of claims 1 to 3, wherein the terminal transmitting the first signal based on the first parameter comprises: the terminal determines the transmission power of the first signal based on the first parameter; the terminal transmits the first signal by adopting the transmission power of the first signal.
  6. 6. The method according to any one of claims 1 to 5, wherein the first parameter is determined by at least one of parameters reported to a network side device by the terminal, configuration of the network side device, indication of the network side device, protocol conventions, and power backoff information determined by the terminal; Wherein the power backoff information is used to characterize a backoff value of a maximum power of the terminal.
  7. 7. The method of claim 6, wherein the indication of the network side device comprises an indication of downlink control information DCI, the method further comprising: the terminal determines the first parameter based on first information in the DCI; The first information includes at least one of an indication field for indicating the first parameter, a modulation coding strategy MCS indication field, an antenna port indication field, a modulation order indicated by the MCS indication field, a starting position of a physical resource block PRB indicated by a frequency domain resource allocation FDRA field, a number of PRBs indicated by a FDRA field, and a port of the first signal indicated by the antenna port indication field.
  8. 8. The method according to any one of claims 1 to 7, further comprising: The terminal adjusts the transmission power of the first channel based on the second information; the second information comprises at least one of configuration information of the first signal, a second parameter, and at least one of a type of the first signal, a resource allocation position of the first signal, a transmission power of the first channel, a modulation order of the first channel, a waveform of the first channel, a PAPR of the first channel, a type of the first signal, a number of ports of the first signal, a number of symbols of the first signal, a sequence of the first signal, and a PAPR of the first signal.
  9. 9. The method of claim 8, wherein the second parameter comprises at least one of a difference between a transmit power of the first signal and a configured transmit power of the first channel.
  10. 10. The method according to claim 8 or 9, wherein the configuration information of the first signal comprises a number of symbols of the first signal.
  11. 11. Method according to any one of claims 8 to 10, characterized in that the value of the second parameter is not 0 in case the first condition is fulfilled; wherein the first condition includes at least one of: The transmitting power of the first channel is larger than or equal to the maximum transmitting power of the terminal; The modulation order of the first channel is a first modulation order; the bandwidth of the first channel is greater than or equal to the first bandwidth; the waveform of the first channel is a first waveform.
  12. 12. The method according to any one of claims 8 to 11, wherein the second parameter is determined by at least one of parameters reported to the network side device by the terminal, configuration of the network side device, indication of the network side device, protocol conventions, and power backoff information determined by the terminal; Wherein the power backoff information is used to characterize a backoff value of a maximum power of the terminal.
  13. 13. The method of claim 12, wherein the indication of the network-side device comprises an indication of DCI, the method further comprising: The terminal determines the second parameter based on the first information in the DCI; The first information includes at least one of an indication field for indicating the first parameter, an MCS indication field, an antenna port indication field, a modulation order indicated by the MCS indication field, a starting position of PRBs indicated by the FDRA field, a number of PRBs indicated by the FDRA field, and a port of the first signal indicated by the antenna port indication field.
  14. 14. The method according to any one of claims 1 to 13, wherein the first signal corresponds to at least two symbols; the terminal transmits a first signal based on a first parameter, including: The terminal transmits the first signal based on the first parameter over at least a portion of the at least two symbols.
  15. 15. A method of signal transmission, the method comprising: the network side equipment receives a first signal and/or a first channel based on the first parameter; The first parameter is related to at least one of a type of the first channel, a resource allocation position of the first channel, a transmission power of the first channel, a modulation order of the first channel, a waveform of the first channel, a PAPR of the first channel, a type of the first signal, a number of ports of the first signal, a number of symbols of the first signal, a sequence of the first signal, and a PAPR of the first signal.
  16. 16. The method according to claim 15, wherein the value of the first parameter is not 0 if the first condition is met; wherein the first condition includes at least one of: the transmitting power of the first channel is larger than or equal to the maximum transmitting power of the terminal; The modulation order of the first channel is a first modulation order; the bandwidth of the first channel is greater than or equal to the first bandwidth; the waveform of the first channel is a first waveform.
  17. 17. The method of claim 15 or 16, wherein the first signal corresponds to a first channel, comprising at least one of: The port of the first signal corresponds to the transmission layer of the first channel; the antenna port of the first signal is the same as the antenna port of the first channel.
  18. 18. The method according to any one of claims 15 to 17, wherein the first parameter is determined by at least one of parameters reported by a terminal to the network side device, configuration of the network side device, indication of the network side device, protocol conventions, terminal-determined power backoff information; Wherein the power backoff information is used to characterize a backoff value of a maximum power of the terminal.
  19. 19. The method of claim 18, wherein the indication of the network-side device comprises an indication of DCI, the method further comprising: The network side equipment sends the DCI to the terminal; The DCI comprises first information for determining the first parameter, wherein the first information comprises at least one of an indication field for indicating the first parameter, an MCS indication field, an antenna port indication field, a modulation order indicated by the MCS indication field, a starting position of PRBs indicated by the FDRA field, the number of PRBs indicated by the FDRA field and ports of the first signal indicated by the antenna port indication field.
  20. 20. The method of claim 19, wherein the first information is further used to determine a second parameter for the terminal to adjust the transmit power of the first channel, the second parameter comprising at least one of a difference between the transmit power of the first signal and a configured transmit power of the first channel.

Description

Signal transmission method, device, terminal, network equipment and medium Technical Field The application belongs to the technical field of communication, and particularly relates to a signal transmission method, a signal transmission device, a signal transmission terminal, network side equipment and a signal transmission medium. Background At present, the peak-to-average Power ratio (Peak to Average Power Ratio, PAPR) of a Physical Uplink shared channel (Physical Uplink SHARED CHANNEL, PUSCH) is generally high, and Power backoff is required to reduce distortion caused by nonlinearity of a Power Amplifier (PA) so as to ensure the quality of PUSCH signals. However, for the Demodulation reference signal (Demodulation REFERENCE SIGNAL, DMRS) corresponding to the PUSCH, the power of the DMRS and the power of the PUSCH are determined with reference to the same parameter, thereby causing the power limitation of the DM-RS and degrading the performance of channel estimation. Disclosure of Invention The embodiment of the application provides a signal transmission method, a device, a terminal, network side equipment and a medium, which can enable the power of a DMRS to reach the maximum value under the configuration under different parameters, thereby improving the performance of channel estimation and further improving the transmission performance of PUSCH with different parameters. In a first aspect, a signal transmission method is provided and executed by a terminal, the method includes that the terminal transmits a first signal based on a first parameter, wherein the first signal corresponds to a first channel, and the first parameter is related to at least one of a type of the first channel, a resource allocation position of the first channel, a transmission power of the first channel, a modulation order of the first channel, a waveform of the first channel, a PAPR of the first channel, a type of the first signal, a number of ports of the first signal, a number of symbols of the first signal, a sequence of the first signal, and a PAPR of the first signal. In a second aspect, a signal transmission method is provided and executed by a network side device, and the method includes that the network side device receives a first signal based on a first parameter, wherein the first signal corresponds to a first channel, and the first parameter is related to at least one of a type of the first channel, a resource allocation position of the first channel, a transmission power of the first channel, a modulation order of the first channel, a waveform of the first channel, a PAPR of the first channel, a type of the first signal, a port number of the first signal, a symbol number of the first signal, a sequence of the first signal, and a PAPR of the first signal. In a third aspect, a signal transmission apparatus is provided, the apparatus comprising a transmitting module, and a transmitting module configured to transmit a first signal based on a first parameter, where the first signal corresponds to a first channel, and the first parameter is related to at least one of a type of the first channel, a resource allocation location of the first channel, a transmit power of the first channel, a modulation order of the first channel, a waveform of the first channel, a PAPR of the first channel, a type of the first signal, a number of ports of the first signal, a number of symbols of the first signal, a sequence of the first signal, and a PAPR of the first signal. In a fourth aspect, a signal transmission apparatus is provided, the apparatus including a receiving module, and a receiving module configured to receive a first signal based on a first parameter, where the first signal corresponds to a first channel, the first parameter is related to at least one of a type of the first channel, a resource allocation location of the first channel, a transmit power of the first channel, a modulation order of the first channel, a waveform of the first channel, a PAPR of the first channel, a type of the first signal, a number of ports of the first signal, a number of symbols of the first signal, a sequence of the first signal, and a PAPR of the first signal. In a fifth aspect, there is provided a signal transmission apparatus configured to perform the steps of the method as described in the first aspect or to implement the steps of the method as described in the second aspect. In a sixth aspect, there is provided a terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the first aspect. In a seventh aspect, a terminal is provided, including a processor and a communication interface, where the communication interface is configured to send a first signal based on a first parameter, where the first signal corresponds to a first channel, and the first parameter is related to at least one of a type of the f