00341    a2200121   4500020001500000082001800015100002100033245004200054260004900096300002400145650003100169700001900200  a8131705730  a621.3821bPRO  aProakis, John G.  aFundamentals of communication systems  aNew DelhibPearson prentice hallc2005g2005  axviii, 858p.c24cm.  aCOMMUNICATIONS ENGINEERING  aSalehi, Masoud