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Null steering by real-weight control-a method of decoupling the weights

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1 Author(s)
Ibrahim, H.M. ; Dept. of Electr. Eng., Assiut Univ., Egypt

A method for independent steering of each null in the radiation pattern of a linear antenna array using real weight control is introduced. The method depends on decoupling the weights such that each real weight is associated with a given null. It has the capability of tracking the direction of jammers by changing only the weight corresponding to each jammer. Phase shifters are used solely to steer the main beam in the direction of the desired signal. The price for using this method is that the number of steerable nulls is equal to or less than half of the total number of array elements

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:39 ,  Issue: 11 )

Date of Publication:

Nov 1991

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