Re: [Discuss-gnuradio] regarding fft-ifft processing

2007-03-08 Thread Roshan Baliga
Brett L. Trotter wrote: That Cyclone FPGA was awfully full last I checked- I don't know enough about this type of thing to say it wouldn't fit, but it seems at least possible that the amount of real-estate required to do the FFT might be more than the current generation USRP could handle? On

Re: [Discuss-gnuradio] regarding fft-ifft processing

2007-03-07 Thread Trond Danielsen
2007/3/7, Kuntal Majumdar [EMAIL PROTECTED]: Recently, Brian told me that the FFT-IFFT processing is handled by the host side. Can I know how this is done exactly? Is there any relevant documentation for this on the Wiki? Did you read this:

Re: [Discuss-gnuradio] regarding fft-ifft processing

2007-03-07 Thread Brett L. Trotter
Trond Danielsen wrote: I read in an earlier thread that you want to do the (I)FFT processing in the FPGA. This is not how it is intended to be used. GNU Radio is a software radio framework, and the goal is to move as much of the signal processing as possible onto the host computer. Moving the

Re: [Discuss-gnuradio] regarding fft-ifft processing

2007-03-07 Thread Eric Blossom
On Wed, Mar 07, 2007 at 06:17:04AM -0800, Kuntal Majumdar wrote: Well, thats good enough. But then, I havent still got the relevant documentation on this anywhere on the trac. I mean, I want to know how does the host side handle all the related (I)FFT stuff. It uses the GNU Radio fft block,

Re: FPGA's are Software Defined (was Re: [Discuss-gnuradio] regarding fft-ifft processing)

2007-03-07 Thread Ryan Seal
Marcus Leech wrote: Robert McGwier wrote: The wideband engine, Mercury: http://hpsdr.org/wiki/index.php?title=MERCURY is almost ready to release and its accompanying transmitter Penelope will follow shortly. BOTH of these boards will have ANOTHER Cyclone II on them with almost 100% of