International Journal of Computer Science Issues

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Different structures of multiple-beam networks (beam-formers) have been proposed, such as the Blass matrix , the Nolen , the Rotman lens, and the Butler matrix [1]. The most important beamforming networks used for multiple beams with lineaire array are based on the Butler matrix. In this paper, new planar 8x8 Butler matrix the design were designed to form orthogonal beamforming generates by 8 linear rectangular mirostrip antenna array. The design procedure of matrix and its components, hybrids and phase shifters are; prersented and descussed.