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Re: [Discuss-gnuradio] Good CDMA codes


From: Henry Barton
Subject: Re: [Discuss-gnuradio] Good CDMA codes
Date: Sat, 16 Jul 2016 15:09:56 +0000

184,756 is exactly what I got.

From: Marcus Müller
Sent: ‎Saturday‎, ‎July‎ ‎16‎, ‎2016 ‎7‎:‎13‎ ‎AM
To: address@hidden

Ah, so, by the way, 10bit-out-of-20bit-set generator attached.


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?


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