Waveform design method, integrated communication, sensing and computation system, and related device

A waveform design device, applied to an integrated communication, sensing and computation system, wherein the integrated communication, sensing and computation system comprises a transmitting beamformer, a receiving beamformer, and at least one sensing device, wherein a transmitted signal to each of the sensing devices is a transmitted signal obtained by performing beamforming on an initial transmitted signal of each of the sensing devices by the transmitting beamformer, the initial transmitted signal is radar sensing pulse, and the waveform design device comprises:

• a first constraint condition construction module, configured to acquire a received vector aggregated by the receiving beamformer, calculate a result standard deviation between the received vector and a true data value, and minimize the result standard deviation to construct a first constraint condition;
• a first restrictive condition construction module, configured to calculate a covariance matrix of the transmitted signal to each of the sensing devices according to the transmitting beamformer, and obtain a first restrictive condition and a second restrictive condition based on the covariance matrix and total transmission power;
• a first mode solving module, configured to, if the integrated communication, sensing and computation system operates in a first mode, construct a first optimization condition set according to the first constraint condition and the first restrictive condition, and solve the first optimization condition set in a first alternating optimization process to obtain a first beamforming weight optimization value for the receiving beamformer and a second beamforming weight optimization value for the transmitting beamformer;
• a second mode solving module, configured to, if the integrated communication, sensing and computation system operates in a second mode, construct a second optimization condition set according to the first constraint condition and the second restrictive condition, and solve the second optimization condition set to obtain a third beamforming weight optimization value for the receiving beamformer and a fourth beamforming weight optimization value for the transmitting beamformer;
• and
• a waveform design module, configured to generate a transmitted waveform for the transmitted signal by using the second beamforming weight optimization value for the transmitting beamformer in the first mode, or generate a transmitted waveform for the transmitted signal by using the fourth beamforming weight optimization value for the transmitting beamformer in the second mode.