Zero

Complexity of ZF precoding at the transmitter

Complexity of ZF precoding at the transmitter
  1. What is zero forcing in MIMO?
  2. What is zero forcing beamforming?
  3. How does zero forcing work?
  4. What is regularized zero forcing?

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.

What is zero forcing beamforming?

Zero-forcing Beamforming (ZF-BF) is a spatial signal processing in multiple antenna wireless devices.

How does zero forcing work?

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 regularized zero forcing?

Regularized zero-forcing (RZF) [7] is a linear precoding technique shown to be effective for single-cell communication systems. RZF has also been extensively used in the analysis of 5G technologies such as massive MIMO [8].

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