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OFDM Filter Editor

 

Filter Type

Choices: Sinc | User Defined | None

Default: Sinc

Select a filter type to be applied to the waveform.

Sinc

Oversampling ratio

This field displays the oversampling ratio of the waveform.

Sample Frequency

This field displays the sample frequency of OFDM signal.

Length (symbol)

Range: 1 - 2048

Default: 32

Set the length of the filter in symbols.

Cutoff Frequency

Set the cutoff frequency of the filter in Hz. Note that the resulting filter bandwidth should be no less than carrier bandwidth.

Filter Window

Choices: Hanning | Hamming | Rectangle

Default: Hanning

Select the window type applied to the filter.

User Defined

Filter Coefficient

Select the file that contains user filter coefficients.

Graph View

You can view the impulse response and frequency response in the graph view of the filter editor.

Carrier