Hi! Will a constant modulus algorithm work for a cpbfsk signal even it's not i.i.d (independent identically distributed) ? Thanks
cma equalizer and cpbfsk
Started by ●April 4, 2006
Reply by ●April 4, 20062006-04-04
"Fredrik" <footox@gmail.com> wrote in message news:caedna7jFI6m-K_ZRVn-gQ@giganews.com...> Hi! > > Will a constant modulus algorithm work for a cpbfsk signal even it's not > i.i.d (independent identically distributed) ? > > Thanks > > >I suppose it could be, but since there is no information in the amplitude of the bfsk signal why bother to equalize it? -Clark
Reply by ●April 4, 20062006-04-04
Anonymous wrote:> "Fredrik" <footox@gmail.com> wrote in message > news:caedna7jFI6m-K_ZRVn-gQ@giganews.com... > > Hi! > > > > Will a constant modulus algorithm work for a cpbfsk signal even it's not > > i.i.d (independent identically distributed) ? > > > > Thanks > > > > > > > > I suppose it could be, but since there is no information in the amplitude of > the bfsk signal why bother to equalize it? > > -ClarkThe amplitude might be modulated due to fading. CMA designs a FIR filter that tries to restore the amplitude to a constant. In the process, it cleans up the fading-induced ISI and thus improves BER. John