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A self-steered array system for microwave communications

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2 Author(s)
M. H. Er ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Inst., Singapore ; B. C. Ng

The paper presents a self-steered algorithm that can be used to correct pointing errors in microwave communications. The algorithm is based on the fact that the output power of an optimized beamformer achieves a local maximum if the steering vector coincides with that of the desired signal, as long as the interferences are outside the mainbeam. By approximating the steering vector by its first-order Taylor series expansion in terms of the steering angles, the maximization process reduces to a two-dimensional optimization problem. Numerical results are presented to illustrate the performance achievable

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:42 ,  Issue: 8 )