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A QR decomposition technique which decomposes a matrix into an orthogonal and a triangular matrix using Gram-Schmidt ortho normalization method has been studied. Quadratic Rotation decomposition (QRD) based recursive least squares (RLS) algorithm can be used in variety of communication applications and its low complexity implementation. In this paper we have presented an application of QRD based RLS algorithm using Coordinate Rotation by Digital Computer (CORDIC) operator for implementing an adaptive beamformer.
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