Zero

Output of Zero-forcing equalizer doesn't match theoretical calculations

Output of Zero-forcing equalizer doesn't match theoretical calculations
  1. What is the drawback of the zero-forcing equalizer?
  2. What is the use of zero forced equalizers in digital communication?
  3. What is zero forcing in MIMO?

What is the drawback of the zero-forcing equalizer?

In reality, zero-forcing equalization does not work in most applications, for the following reasons: Even though the channel impulse response has finite length, the impulse response of the equalizer needs to be infinitely long. At some frequencies the received signal may be weak.

What is the use of zero forced equalizers in digital communication?

The Zero-Forcing Equalizer applies the inverse of the channel frequency response to the received signal, to restore the signal after the channel [21]. The name Zero Forcing corresponds to bringing down the intersymbol interference (ISI) to zero in a noise free case.

What is zero forcing in MIMO?

Zero-forcing (or null-steering) precoding is a method of spatial signal processing by which a multiple antenna transmitter can null the multiuser interference in a multi-user MIMO wireless communication system.

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