Pulse shaping filter

1. What is pulse shaping filter?
2. Which of the following is a pulse shaping filter?
3. Why is pulse shaping technique used?
4. Does OFDM use pulse shaping?

What is pulse shaping filter?

A pulse shaping filter is used in communication channels to manipulate a waveform or pulses to have the desired shape in the time domain. A pulse shaping filter can be a physical circuit, but normally it's a mathematical function that is used as a signal processing algorithm.

Which of the following is a pulse shaping filter?

The Gaussian filter is a pulse shaping technique that is typically used for frequency shift keying (FSK) and minimum shift keying (MSK) modulation. This filter is unlike the raised cosine and root raised cosine filters because it does not implement zero crossing points.

Why is pulse shaping technique used?

Why is pulse shaping technique used? Explanation: Pulse shaping techniques reduces the intersymbol interference. They are also used to reduce the spectral width of the modulated digital signal.

Does OFDM use pulse shaping?

The principle of OFDM with pulse shaping has been introduced in [13]. One of the main criteria for pulse shape design is the time-frequency localization (TFL), which has been identified in [14] as an important target to achieve low out-of-band emissions and low interference induced in doubly dispersive channels.