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____ is a method used for calculating beamforming weights.

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____ is a method used for calculating beamforming weights.

(a) Sample matrix inversion

(b) Indirect matrix inversion

(c) Convolution

(d) Correlation

I have been asked this question by my school teacher while I was bunking the class.

My query is from Smart Antenna in division Smart Antenna & Software Component Characteristics of Cognitive Radio

1 Answer

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by (65.4k points)

The correct answer is:

(a) Sample matrix inversion

In beamforming, the sample matrix inversion (SMI) method is commonly used to calculate beamforming weights. This method involves inverting a sample covariance matrix that represents the correlation between signals received at different antenna elements. It's a key technique used in adaptive antenna systems, like smart antennas, to optimize signal reception and interference rejection.

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