Warner Losh wrote:

> In message <388CC3D8.FCF12E59@augustsson.net> Lennart Augustsson writes:
> : > Normally, Frequency Hopping (FH) and Direct Sequence (DS) types of Spread
> : > Spectrum are both called "CDMA" - so much so that "Code Division, Multiple
> : > Access" essentially means "Spread Spectrum" these days.
> :
> : I think using CDMA to describe FH is confusing, but who am I to tell...
>
> CDMA isn't FH at all.  It is spread spectrum in that it uses the
> entire broad spectrum all the time.  All the users share the spectrum
> and you xor your psuedo random number with incoming packets and ignore
> the ones that don't decode right...

Exactly, that's why I said that using CDMA to describe FH is confusing. :)

--

        -- Lennart