Re: [Discuss-gnuradio] FW: Marc Epards 100Msps on XCVR2450

[mleech]

Fair enough.  But how will the discontinuous-sampling done by this 100Msps mode affect things?

-Marcus

 

On Tue, 6 Mar 2012 18:43:43 +0000, Per Zetterberg wrote:

> In my opinion/experience at least two-fold over-sampling is to be recommended with OFDM, The standard 802.11n has a mode with 40MHz bandwidth (not to mention 802.11ac).  I have the feeling the dynamic range of 48dB is somewhat small for OFDM. Especially without fast AGC.
>
> BR/
> Per
>
> ________________________________________
> From: address@hidden [address@hidden] on behalf of address@hidden [address@hidden]
> Sent: Tuesday, March 06, 2012 7:02 PM
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] Marc Epards 100Msps on XCVR2450
>
> Not to disparage some fine work, but in the specific example cited, the existing, standard, 50Msps mode (8-bit samples) should also work, unless 48dB of dynamic range isn't adequate.
>
> -Marcus
>
>
>
> On Tue, 6 Mar 2012 17:28:54 +0000, Per Zetterberg wrote:
>
> Hi Lists,
>
> I have tried Marc Epards 100Msps hack from https://github.com/mepard/N210CeVI on XCVR2450. It's extremely cool. I verified that the 36MHz bandwidth option on the XCVR2450 actually works (and it does). With this kind of bandwidth it is possible to investigate true 802.11n and LTE signals (I wish we had this feature for TX as well).
>
> Many thanks Marc!
>
> BR/
> Per
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