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From: | Henry Barton |
Subject: | Re: [Discuss-gnuradio] Good CDMA codes |
Date: | Sat, 16 Jul 2016 04:32:11 +0000 |
I know of Gold codes. I was curious as to whether there was an easier way to mass-produce spreading codes, but I guess not. BTW, Johannes, what did you mean by “20!” Good start point might be Gold code or Hadaramd code.
Dne 15.7.2016 v 09:24 Johannes Demel napsal(a): > 20! > > On 15.07.2016 04:54, Henry Barton wrote: >> I’m designing a CDMA system with a spreading factor of 20. I recently >> wrote an app to go through all the binary permutations up to 2^20 and >> report which ones have an equal number of 0’s and 1’s, or at least >> differ by only one. It came up with so many “hits” that I have to wonder >> if they're really orthogonal. Does anyone know offhand how many good >> spreading codes I can realistically expect from 1048576 possible entries? >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> address@hidden >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > _______________________________________________ > Discuss-gnuradio mailing list > address@hidden > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list address@hidden https://lists.gnu.org/mailman/listinfo/discuss-gnuradio |
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