| The application of beamforming in cooperative communication systems canexpand the coverage and increase the SNR of the receiver. The conventionalbeamforming algorithms need full or half knowledge of channel state information (CSI),and get an optimal beamforming matrices by complex matrix decomposition algorithms.Thus, this paper proposes a cooperative beamforming algorithm SIA-CBF, based onsatellite navigation information, without the CSI. The proposed scheme，with thesatellite navigation information assistance, chooses optimal codebook vector from thefixed codebook as the beamforming matrix. Certainly, the vector should have themaximum correlation with direction of arrival of signal. The simulation resultsdemonstrate that when the BER is104, the quantity of performance improvement ismore than3dB, meanwhile, computational complexity is significantly decreased. |
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