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dc.contributor.authorPetrus, Paulen
dc.date.accessioned2014-03-14T20:21:33Zen
dc.date.available2014-03-14T20:21:33Zen
dc.date.issued1997-03-18en
dc.identifier.otheretd-274910262973840en
dc.identifier.urihttp://hdl.handle.net/10919/30375en
dc.description.abstractThis report focuses on the application of adaptive arrays to the Advanced Mobile Phone Service (AMPS) and Code Division Multiple Access (CDMA) cellular systems. Adaptive arrays have been proposed as early as in the 1960s to improve the signal quality, but most of its applications were restricted to defense purposes. Recently, there has been a surge in interest of applying adaptive arrays for cellular systems. This work introduces new blind adaptive array algorithms for AMPS and CDMA signals. The theoretical capacity limit using an adaptive array at the base station for an AMPS cellular system is derived in this work. One of the significant contributions in this research is a macrocell channel model which provides angle-of-arrival (AOA) statistics of the multipath components. Practical issues involved in the implementation of an adaptive array are addressed and the author's implementation of an 8-element adaptive array operating at 2.05 GHz is explained. This research also analyzes the capacity that can be o ered by an adaptive array in a system where CDMA users co-exist with existing AMPS users. A novel cellular CDMA system which exploits adaptive arrays is introduced and the capacity o ered by this system is compared with existing and other systems exploiting spatial dimension.en
dc.publisherVirginia Techen
dc.relation.haspartetd.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectadaptive arraysen
dc.subjectsmart antennasen
dc.subjectAMPSen
dc.subjectCDMAen
dc.subjectGBSBMen
dc.subjectcellularen
dc.titleNovel Adaptive Array Algorithms and Their Impact on Cellular System Capacityen
dc.typeDissertationen
dc.contributor.departmentElectrical and Computer Engineeringen
dc.description.degreePh. D.en
thesis.degree.namePh. D.en
thesis.degree.leveldoctoralen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.disciplineElectrical and Computer Engineeringen
dc.contributor.committeechairReed, Jeffrey H.en
dc.contributor.committeememberRappaport, Theodore S.en
dc.contributor.committeememberWoerner, Brian D.en
dc.contributor.committeememberBeex, A. A. Louisen
dc.contributor.committeememberBeattie, Christopher A.en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-274910262973840/en
dc.date.sdate1998-07-20en
dc.date.rdate1997-03-18en
dc.date.adate1997-03-18en


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