Where in the signal chain is Channel Equalization applied?

1. In which of the following channel conditions equalizer is used?
2. What is channel equalization?
3. Why channel equalization is required?
4. What is signal equalization?

In which of the following channel conditions equalizer is used?

Adaptive channel equalization is required as the wireless communication channels are unknown, nonstationary, and time-varying channels.

What is channel equalization?

In digital communications systems, data is transmitted from the transmitter to the receiver over a channel, which may be a cable or a wireless medium. Every physical channel adds some random noise to the transmitted signal, and so the received signal is a noisy version of the transmitted signal.

Why channel equalization is required?

In digital communications, the equalizer's purpose is to reduce intersymbol interference to allow recovery of the transmit symbols.

What is signal equalization?

Equalization, or simply EQ, in sound recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. The circuit or equipment used to achieve this is called an equalizer.