Re: [Discuss-gnuradio] howto create multiple carriers with usrp

A multiply constant block is needed to reduce the level for actual transmission with an SDR. It should be set to 1 / (number of active carriers).

Also an odd number of carriers produces a cleaner spectrum. Updated flow graph attached.

Ron

On 3/26/19 04:55, Ron Economos wrote:

Just use an inverse FFT. Flow graph attached.

In the vector source, just zero out carriers you don't want.

Ron

On 3/26/19 00:45, on4bhm@telenet.be wrote:

Hi group,

I want to create 10 or 20 or 30 carriers all spaced evenly at 250Khz apart.

How can i do this, any tips?

thanks

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