Re: [Discuss-gnuradio] OFMD Known Symbols

[Chris_Spain]

Thanks Tom, but in DVB-H, the continual and scattered pilot are used for the
sync, If I change, in TX and RX, the position and value of knows symbols,
Will I lost the sync?

Tom Rondeau wrote:
> 
> 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
> 
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> 

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