Equalizer

Is MMSE equalizer necessary?

Is MMSE equalizer necessary?
  1. What is MMSE equalizer?
  2. What is the main disadvantage of zero forcing equalization?
  3. What is an equalizer in signal processing?
  4. What is zero-forcing equalizer in wireless communication?

What is MMSE equalizer?

MMSE as an Equalizer is a kind of post processing algorithm that helps us to figure out the received data that is as close to the original data (transmitted data) as possible. In short, the most important steps in MMSE is to find a matrix G in the following illustration.

What is the main disadvantage of zero forcing equalization?

A serious problem with the zero-forcing equalizer is the noise enhancement, which can result in infinite noise power spectral densities after the equalizer. The noise is enhanced (amplified) at frequencies where the channel has a high attenuation.

What is an equalizer in signal processing?

An equalizer is a device that can alter the spectral content of a signal. This can be done with any circuit that has an adjustable frequency response, the most familiar being the tone controls on a home stereo set. These tone controls typically affect the amplitude in two frequency regions, the treble and bass.

What is zero-forcing equalizer in wireless communication?

The zero-forcing equalizer is a form of linear equalization algorithm used in communication systems which applies the inverse of the frequency response of the channel. This form of equalizer was first proposed by Robert Lucky.

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