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Re: [Discuss-gnuradio] OFMD Known Symbols
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From: |
Tom Rondeau |
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Subject: |
Re: [Discuss-gnuradio] OFMD Known Symbols |
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Date: |
Sat, 19 Jun 2010 13:50:07 -0400 |
On Sat, Jun 19, 2010 at 1:20 PM, Chris_Spain <address@hidden> wrote:
>
> Hello I'm trying to modify the OFDM module implemented in GNU Radio, and I
> have a question. In DVB-H I need to set the continual pilot carrier and the
> scattered pilot carrier. Both are known by TX and RX, then, Are the known
> symbols, implemented in OFDM module, pilots carrier?
>
> Thanks!
No, the known symbols are preambles used for initial sync of a burst.
There is kind of a placeholder in the code for pilots (in the ofdm
mapper), but we haven't implemented anything here to handle them in
the receiver. I believe others have done this on their own.
Tom