Receiver Implementations for a CDMA Cellular System

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dc.contributor.authorAliftiras, Georgeen
dc.contributor.committeechairWoerner, Brian D.en
dc.contributor.committeememberRappaport, Theodore S.en
dc.contributor.committeememberBostian, Charles W.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2011-08-04T21:47:52Zen
dc.date.adate1996-07-01en
dc.date.available2011-08-04T21:47:52Zen
dc.date.issued1996-07-01en
dc.date.rdate1996-07-01en
dc.date.sdate1998-07-11en
dc.description.abstractThe communications industry is experiencing an explosion in the demand for personal communications services (PCS). Several digital technologies have been proposed to replace overburdened analog systems. One system that has gained increasing popularity in North America is a 1.25 MHz Code Division Multiple Access (CDMA) system (IS-95). In CDMA systems, multiple access interference limits the capacity of any system using conventional single user correlation or matched filter receivers. Previous research has shown that multiuser detection receivers that employ interference cancellation techniques can significantly improve the capacity of a CDMA system. This thesis studies two such structures: the successive interference cancellation scheme and the parallel interference cancellation scheme. These multiuser receivers are integrated into an IS-95 compatible receiver model which is simulated in software. This thesis develops simulation software that simulates IS-95 with conventional and multiuser receivers in multipath channels and when near-far conditions exist. Simulation results present the robustness of multiuser receivers to near-far in a practical system. In addition to multiuser implemenations, quantization effects from finite bit analog to digital converters (ADC) in CDMA systems will also be simulated.en
dc.description.degreeMaster of Scienceen
dc.format.mediumETDen
dc.identifier.otheretd-104722369631841en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-104722369631841en
dc.identifier.urihttp://hdl.handle.net/10919/9566en
dc.publisherVirginia Techen
dc.relation.haspartetd.pdfen
dc.relation.haspartaliftira.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectmultiuser receiveren
dc.subjectCDMAen
dc.subjectinterference cancellationen
dc.subjectquantizationen
dc.titleReceiver Implementations for a CDMA Cellular Systemen
dc.typeThesisen
thesis.degree.disciplineElectrical and Computer Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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