Re: [Discuss-gnuradio] OFDM TRANSFER and RECEIVE IN GRC

[Martin Braun]

On 08/06/2014 03:26 PM, chaitanya wrote:
> Thanks for the reply
>> Which d'board? 
> 
> SBX Board (Rev 5.1)
> 
>> So, at 2.45 GHz it works reliably? And not at all for the rest?
> 
> Yes,this is what exactly I want to say.It is reliable at 2.45GHz , 2.455GHz
> and 2.46GHz.
> For other frequencies it is not reliable.

Wait, so it does work for more than one frequency? Where exactly does it
not work?

>> I'd triple-check you really are setting the freq on both tx and rx (and not
>> just changing a variable that isn't propagated to the devices, for
>> example).
> 
> The variable change is propagated to the device.I used the GUI FFT SINK to
> verify that.
> 
>> There's no frequency-specific code in the OFDM stuff.
> 
> I did not understand this statement. 

Put in another way: The OFDM code is agnostic of the actual frequency.
There is nothing in the OFDM code that will make it work better at one
frequency than another.

M

> What I am changing is the center frequencies of USRP source and sink in grc.
> In the benchmark_tx and benchmark_rx , I am changing using -f option.
> 
>> And of course make sure there's no interference on those other frequencies.
> 
> I am sure there is no interference 
> 
> 
> chaitanya
> 
> 
> 
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