In the article on classical beamforming, we discussed the interaction of the electromagnetic waves with the antenna array without any
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Channel Estimation in OFDM Systems
Channel estimation in single-carrier systems has been described in a previous article. In OFDM systems, each subcarrier acts as an
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Why FIR Filters have Linear Phase
One of the most attractive properties of a Finite Impulse Response (FIR) filter is that a linear phase response is
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Convolution and Fourier Transform
One question I am frequently asked is regarding the definition of Fourier Transform. A continuous-time Fourier Transform for time domain
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A Beginner’s Guide to Bayesian Methodology
Thomas Bayes was an English statistician and Presbyterian minister who came up with this theorem in 18th century during his
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