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CN-122001729-A - Multi-waveform generation device and method, electronic equipment and storage medium

CN122001729ACN 122001729 ACN122001729 ACN 122001729ACN-122001729-A

Abstract

The embodiment of the invention provides a multi-waveform generation device, a method, electronic equipment and a storage medium, which are applied to the technical field of wireless communication, wherein the multi-waveform generation device comprises a digital modulation module, a pre-coding module, a subcarrier mapping module, an OFDM modulation module and a waveform adjustment module which are sequentially connected, and also comprises a sequence generation module and a function configuration module, wherein the function configuration module is used for configuring the digital modulation module, the pre-coding module, the subcarrier mapping module, the OFDM modulation module, the waveform adjustment module and the sequence generation module to generate various waveforms. The multi-waveform generation device, the method, the electronic equipment and the storage medium provided by the embodiment of the invention realize the compatibility of various waveforms.

Inventors

  • GU LINHAI

Assignees

  • 重庆星网网络系统研究院有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (20)

  1. 1. The multi-waveform generating device comprises a digital modulation module, a pre-coding module, a subcarrier mapping module, an OFDM modulation module and a waveform adjusting module which are connected in sequence, and is characterized by further comprising a sequence generating module and a function configuration module; The function configuration module is configured to configure the digital modulation module, the precoding module, the subcarrier mapping module, the OFDM modulation module, the waveform adjustment module, and the sequence generation module to generate a plurality of waveforms.
  2. 2. The apparatus of claim 1, wherein the sequence generation module is configured to generate a delay-doppler DD domain pilot sequence, a frequency domain pilot sequence, and/or a time domain training sequence.
  3. 3. The apparatus according to claim 2, wherein the functional configuration module is specifically configured to configure the digital modulation module, the precoding module, the subcarrier mapping module, the OFDM modulation module, the waveform adjustment module, and the sequence generation module based on a traffic scenario.
  4. 4. The apparatus according to claim 3, wherein the function configuration module is specifically configured to configure the enabling, function class and/or parameter of the digital modulation module, the precoding module, the subcarrier mapping module, the OFDM modulation module, the waveform adjustment module and the sequence generation module based on a traffic scenario.
  5. 5. The apparatus of claim 4, wherein the device comprises a plurality of sensors, When the service scenario corresponds to a first type of single carrier modulation waveform, the functional configuration module is specifically configured to disable the precoding module, the subcarrier mapping module, the OFDM modulation module, and the waveform adjustment module, and configure the sequence generation module to generate a time domain training sequence.
  6. 6. The apparatus of claim 5, wherein the first type of single carrier modulation waveform is a simple single carrier modulation waveform.
  7. 7. The apparatus of claim 4, wherein the device comprises a plurality of sensors, When the service scenario corresponds to the second type single carrier modulation waveform, the functional configuration module is specifically configured to configure the precoding module to perform DFT, and configure the sequence generation module to generate a time domain training sequence.
  8. 8. The apparatus of claim 7, wherein the second type of single carrier modulation waveform is a fourier transform spread-based orthogonal frequency division multiplexing, DFT-s-OFDM, single carrier modulation waveform.
  9. 9. The apparatus of claim 4, wherein the device comprises a plurality of sensors, When the service scene corresponds to the first type of multi-carrier modulation waveform, the functional configuration module is specifically configured to disable the pre-coding module, and configure the sequence generation module to generate a frequency domain pilot sequence and a time domain training sequence.
  10. 10. The apparatus of claim 9, wherein the first type of multicarrier modulation waveform is a cyclic prefix-based orthogonal frequency division multiplexing CP-OFDM multicarrier.
  11. 11. The apparatus of claim 4, wherein the device comprises a plurality of sensors, When the service scenario corresponds to the second type of multi-carrier modulation waveform, the functional configuration module is specifically configured to configure the pre-coding module to perform FFT and frequency domain shaping, and configure the sequence generation module to generate a frequency domain pilot sequence and a time domain training sequence.
  12. 12. The apparatus of claim 11, wherein the second type of multicarrier modulation waveform is a generalized frequency division multiplexing, GFDM, multicarrier waveform.
  13. 13. The apparatus of claim 4, wherein the device comprises a plurality of sensors, When the service scene corresponds to the enhanced mode waveform, the functional configuration module is specifically configured to disable the precoding module, the subcarrier mapping module, the OFDM modulation module, and the waveform adjustment module, and configure the sequence generation module to generate a time domain training sequence.
  14. 14. The apparatus of claim 13, wherein the enhancement mode waveform is a burst low signal-to-noise ratio VL-SNR waveform.
  15. 15. The apparatus of claim 4, wherein the device comprises a plurality of sensors, When the service scenario corresponds to a spread spectrum mode waveform, the function configuration module is specifically configured to disable the precoding module, the subcarrier mapping module, the OFDM modulation module, and the waveform adjustment module, and configure the sequence generation module to generate a time domain training sequence, or configure the precoding module to perform DFT, configure the sequence generation module to generate a time domain training sequence, and configure the waveform adjustment module not to perform CP adding operation.
  16. 16. The apparatus of claim 4, wherein the device comprises a plurality of sensors, When the service scene corresponds to the frequency hopping anti-interference mode waveform, the function configuration module is specifically configured to disable the pre-coding module, configure the sequence generation module to generate a time domain training sequence, and configure the waveform adjustment module not to execute the CP adding operation.
  17. 17. The apparatus of any one of claims 1 to 16, further comprising a signal combining module coupled to the waveform adjustment module.
  18. 18. The apparatus according to claim 17, wherein the function configuration module is specifically configured to: When the sequence generating module generates a DD domain pilot sequence, the generated DD domain pilot sequence is configured to be input into the pre-coding module; when the sequence generating module generates a frequency domain pilot sequence, the generated frequency domain pilot sequence is configured to be input into the subcarrier mapping module; When the sequence generating module generates a time domain training sequence, the generated time domain training sequence is configured as an input signal combining module.
  19. 19. The apparatus according to any one of claims 1 to 16, wherein the waveform adjustment module is configured to perform a cyclic prefix CP adding operation, windowing, and/or filtering.
  20. 20. A method of generating a waveform, comprising: Acquiring a service scene; Configuring a digital modulation module, a precoding module, a subcarrier mapping module, an OFDM modulation module, a waveform adjustment module and a sequence generation module in the multi-waveform generation device based on a service scene by a function configuration module in the multi-waveform generation device; and generating a signal of the target waveform type corresponding to the service scene by using the configured module.

Description

Multi-waveform generation device and method, electronic equipment and storage medium Technical Field The present invention relates to the field of wireless communications technologies, and in particular, to a multi-waveform generating device, a method, an electronic device, and a storage medium. Background Satellite communication networks are important supplements to ground communication networks, have irreplaceable roles in emergency communication, maritime communication and the like, and in recent years, with the rapid development of the global internet, satellite communication networks generally develop towards high-capacity, high-speed and broadband directions, and gradually develop a trend of merging with ground communication networks. Currently, terrestrial communication networks communicate based on terrestrial communication systems such as 2G (Second Generation, second Generation mobile communication technology), 3G (Third Generation mobile communication technology), 4G (Fourth Generation, fourth Generation mobile communication technology), 5G (Fifth Generation mobile communication technology), etc., whereas Satellite communication networks communicate based on Satellite communication systems such as DVB-S2 (Digital Video Broadcasting-Satellite 2, new Generation digital Satellite broadcasting standard), DVB-S2X (Digital Video Broadcasting-Satellite 2X, latest Generation Satellite television broadcasting standard), DVB-RCS2 (Digital Video Broadcasting-Return CHANNEL VIA SATELLITE, standard for realizing Satellite television and broadband internet service), etc. It is understood that waveforms of wireless signals supported by different communication systems are different from each other. Therefore, in order to develop an heaven-earth integrated network and truly realize global seamless coverage, an integrated fusion design needs to be performed on an air interface waveform, and it can be understood that multiple types of waveforms need to be compatible to support different communication systems. Disclosure of Invention The embodiment of the invention aims to provide a multi-waveform generation device, a multi-waveform generation method, electronic equipment and a storage medium, so as to realize compatibility of various types of waveforms. The specific technical scheme is as follows: In a first aspect, a multi-waveform generating device is provided, which comprises a digital modulation module, a pre-coding module, a subcarrier mapping module, an OFDM modulation module, a waveform adjusting module, a sequence generating module and a function configuration module, wherein the digital modulation module, the pre-coding module, the subcarrier mapping module, the OFDM modulation module and the waveform adjusting module are sequentially connected; The function configuration module is configured to configure the digital modulation module, the precoding module, the subcarrier mapping module, the OFDM modulation module, the waveform adjustment module, and the sequence generation module to generate a plurality of waveforms. Optionally, the sequence generating module is configured to generate a delay-doppler DD domain pilot sequence, a frequency domain pilot sequence, and/or a time domain training sequence. Optionally, the function configuration module is specifically configured to configure the digital modulation module, the precoding module, the subcarrier mapping module, the OFDM modulation module, the waveform adjustment module, and the sequence generation module based on a service scenario. Optionally, the function configuration module is specifically configured to configure, based on a service scenario, enabling, a function class and/or a parameter of the digital modulation module, the precoding module, the subcarrier mapping module, the OFDM modulation module, the waveform adjustment module and the sequence generation module. Optionally, when the service scenario corresponds to a first type of single-carrier modulation waveform, the functional configuration module is specifically configured to disable the precoding module, the subcarrier mapping module, the OFDM modulation module, and the waveform adjustment module, and configure the sequence generation module to generate a time domain training sequence. Optionally, the first type of single carrier modulation waveform is a simple single carrier modulation waveform. Optionally, when the service scenario corresponds to the second type of single carrier modulation waveform, the functional configuration module is specifically configured to configure the precoding module to perform DFT, and configure the sequence generation module to generate a time domain training sequence. Optionally, the second type single carrier modulation waveform is a fourier transform spread-based orthogonal frequency division multiplexing DFT-s-OFDM single carrier modulation waveform. Optionally, when the traffic scenario corresponds to the first type of multicarrier modulation wavefor