PERFORMANCE OF M-ARY PSK SYSTEM IN GAUSSIAN NOISE AND INTERFERENCE

Abstract

consists of a finite UMber of dlSaroto 06,99agos vbiah are coded into a sequence of symbols. The digital ifora*t&on to be tviiritttsd is presented to the aobilstor whose function Is to tans1ats the di ital vefora Into a stgf*1 vavo which is edtabls for trni esion z' thetmasmIssion edi, The most pzicising aodrition watem to 1bt*rnhUt keying sodu3*tions ifl this type 0t mWmUtiont ditIl Wanotim 1s tx*nssitt.d by udng of * cods the sevrUa2 tz'enieston of carrier pulses of àonstant a"Utudet angular treIuaflcy *fld duratlano but of different raiativ, pl*s *eS *itt keying coaLcsUon systam to hOn al4ued with rafirenos to the cods properties. Noise and intirference problex in *tipi*ss mrstw is discussed. These tnterf*r4mce tend to d.ga4. the perftrance Of the Systw Which results In L_ rriin iii1 JELL FZ') system is calcul&tod OMd is plotted for various types of 2.nterfsraneas. go* of WAY CODI$ for correction of' .rrs rsculte obtaine4 is dis