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Re: [Discuss-gnuradio] least processor intensive modulation scheme
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From: |
Marcus D. Leech |
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Subject: |
Re: [Discuss-gnuradio] least processor intensive modulation scheme |
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Date: |
Wed, 17 Nov 2010 11:03:51 -0500 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10 |
On 11/17/2010 09:52 AM, William Cox wrote:
> Do the processor usage for the various mod/demod schemes change that
> much? Which scheme is the least processor intensive?
> Thanks!
> -William
>
>
Wildly and vastly!
Consider AM, for example (or OOK in the data world) it's just a multiply
operation on the carrier.
Simple, easy, and demodulation is just as cheap.
>From that point, it's all over the place!
OFDM is probably the most expensive one in the arsenal these days.
--
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org