On Mon, 16 Jun 2014 09:14:09 -0500, "harishm" <98552@dsprelated>
wrote:
>Hi,
>
>I have a question on IFFT input in OFDM systems.
>
>Why center tone is always set to ZERO for IFFT input ?
>
>is it one method to reduce PAPR in OFDM systems ?
No, it is for DC offset immunity in direct-conversion systems.
Systems that aren't direct-conversion can use the middle carrier for
information.
Eric Jacobsen
Anchor Hill Communications
http://www.anchorhill.com
Reply by harishm●June 16, 20142014-06-16
Hi,
I have a question on IFFT input in OFDM systems.
Why center tone is always set to ZERO for IFFT input ?
is it one method to reduce PAPR in OFDM systems ?
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