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Re: [Discuss-gnuradio] QAM, carrier tracking and clock recovery

From: Martin Dvh
Subject: Re: [Discuss-gnuradio] QAM, carrier tracking and clock recovery
Date: Wed, 31 Jan 2007 02:06:03 +0100
User-agent: Debian Thunderbird 1.0.2 (X11/20061113)

Eric Blossom wrote:
> On Mon, Jan 29, 2007 at 10:36:31PM +0100, Martin Dvh wrote:
>>Tom Rondeau wrote:
>>I am also swamped with other work but I would really like to get QAM working 
>>to get DVB-C working.
>>(It will eventually need a lot of tuning to get >40 Mbit/sec working in 
> Can you say Cell Processor?  ;)

Yes please, send me a dozen ;-)

I have been dreaming about an USRP version 2 with a few Cell processors, 1 GB 
RAM and an FPGA with 256 embedded multipliers and 10 Gbit ethernet
interface and 16 ADC/DAC channels running at 1 GSPS.

But for the short time:
Cell processor
FPGA  (just put it in the USRP verilog)

will probably do.

I already succeeded in implementing a big FIR filter running at full speed (64 
MSPS) in the usrp, so I might even be able to put in a complete
QAM demododulator one day.

> Eric

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