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Optimal weight extraction for adaptive beamforming using systolic arrays

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3 Author(s)
C. E. T. Tang ; Computer Sci. Corp., Rockville, MD, USA ; K. J. R. Liu ; S. A. Tretter

Systolic algorithms and architectures for parallel and fully pipelined instantaneous optimal weight extraction for multiple sidelobe canceller (MSC) and minimum variance distortionless response (MVDR) beamformer are presented The proposed systolic parallelogram array processors are parallel and fully pipelined, and they can extract the optimal weights instantaneously without the need for forward or backward substitution. We also show that the square-root-free Givens method can be easily incorporated to improve the throughput rate and speed up the system. As a result these MSC and MVDR systolic array weight extraction system are suitable for real-time very large scale integration (VLSI) implementation in practical radar/sonar system

Published in:

IEEE Transactions on Aerospace and Electronic Systems  (Volume:30 ,  Issue: 2 )