Wave beam forming method based on New-Memetic algorithm
A technology of beamforming and algorithm, applied in the field of beamforming, can solve the problems of low efficiency, slow convergence speed, low efficiency, slow convergence speed, etc., achieve the effect of small calculation, overcome slow convergence speed, and improve signal-to-noise ratio
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[0015] In the beamforming of the antenna array of the uplink MIMO-SDMA system, the present invention uses the method of optimizing the weight vector of the uplink antenna radiation pattern to realize the beamforming for the channel model of the MIMO-SDMA system, so that the power of the expected output signal increases monotonously and the interference The output signal power of the noise decreases monotonously, which improves the signal-to-interference-noise ratio of the system.
[0016] According to the element spacing d in the antenna array, the angle θ between the incident direction of the user signal and the antenna element m The phase excitation of the array element in the antenna array is obtained, and the excitation vector of the array element including the amplitude excitation and the phase excitation of the array element is determined, thereby obtaining the array excitation of the antenna array.
[0017] The system model of the uplink MIMO-SDMA uniform linear array s...
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