Principles of Digital Communication

TherenownedcommunicationstheoristRobertGallagerbringshislucidwritingstyletothestudyofthefundamentalsystemaspectsofdigitalcommunicationforaone-semestercourseforgraduatestudents.Withtheclarityandinsightthathavecharacterizedhisteachingandearliertextbooks,hedevelopsasimpleframeworkandthencombinesthiswithcarefulproofstohelpthereaderunderstandmodernsystemsandsimplifiedmodelsinanintuitiveyetpreciseway.Astrongnarrativeandlinksbetweentheoryandpracticereinforcethisconcise,practicalpresentation.Thebookbeginswithdatacompressionforarbitrarysources.Gallagerthendescribeshowtomodulatetheresultingbinarydatafortransmissionoverwires,cables,opticalfibers,andwirelesschannels.Analysisandintuitiveinterpretationsaredevelopedforchannelnoisemodels,followedbycoverageoftheprinciplesofdetection,coding,anddecoding.Thevariousconceptscoveredarebroughttogetherinadescriptionofwirelesscommunication,usingCDMAasacasestudy.