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Performance of wireless communication can be increase by using adaptive beamforming algorithms. Beamforming could increase the spectral efficiency and improving wireless communication system performance by increasing the amount of signal of arrival and reducing the probability of interference from a connection to user. To use adaptive beamforming algorithm, where beamforming technique can adapt with the movement of user, it required location estimation from user continuously. Define DOA algorithm can give location estimation accurately by detecting a user location. In this work, performance of MUSIC algorithm to estimate user location was investigated. The simulation results showed that accuracy can be increased significantly by increasing the number of element antenna, spacing between element of 0.5λ . Increasing the number of user did not affect the accuracy of MUSIC algorithm.

ANALISIS PENCARIAN SUDUT KEDATANGAN MENGGUNAKAN ALGORITMA MUSIC UNTUK ADAPTIVE BEAMFORMING