Implementation of Wideband Multicarrier and Embedded GSM

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dc.contributor.authorTsou, Thomasen
dc.contributor.committeecochairReed, Jeffrey H.en
dc.contributor.committeecochairClancy, Thomas Charles IIIen
dc.contributor.committeememberMcGwier, Robert W.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2014-03-14T20:45:56Zen
dc.date.adate2012-10-26en
dc.date.available2014-03-14T20:45:56Zen
dc.date.issued2012-09-11en
dc.date.rdate2012-10-26en
dc.date.sdate2012-09-24en
dc.description.abstractThe Global System for Mobile (GSM) cellular standard, having been in existence for over two decades, is the most widely deployed wireless technology in the world. While third generation networks and beyond, such as Universal Mobile Telecommunications System (UMTS) and Long Term Evolution (LTE), are undergoing extraordinary growth and driving a large share of current cellular development, technologies and deployments based on GSM are still dominant on a global scale and, like more recent standards, continue to evolve very rapidly. The software-defined radio (SDR) base station is one technology that is driving rapid change in cellular infrastructure. While commercial vendors have now embraced SDR, there is another movement that has recently gained prominence. That movement is the convergence of open source software and hardware with cellular implementation. OpenBTS, a deployable implementation of the GSM radio air interface, and the Universal Software Radio Peripheral (USRP), a RF hardware platform, are two primary examples of such open source software and hardware products. OpenBTS and the USRP underlie three GSM features that are implemented and presented in this thesis. This thesis describes the extension of the OpenBTS software-defined radio transceiver in the three critical areas of user capacity, transmit signal integrity, and the embedded small form factor. First, an optimized wideband multicarrier implementation is presented that substantially increases the capacity beyond that of a single carrier system. Second, the GSM modulator is examined in depth and extended to provide performance that exceeds standards compliance by a significant margin. Third, operation of the GSM transceiver on an E100 embedded platform with ARM and fixed point DSP processors will be explored, optimized, and tested.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-09242012-133001en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-09242012-133001/en
dc.identifier.urihttp://hdl.handle.net/10919/35181en
dc.publisherVirginia Techen
dc.relation.haspartTsou_T_T_2012.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectWirelessen
dc.subjectOpen Source Softwareen
dc.subjectCellular Communicationsen
dc.subjectSoftware-Defined Radioen
dc.subjectMulticarrieren
dc.subjectMultirateen
dc.subjectDigital Signal Processingen
dc.titleImplementation of Wideband Multicarrier and Embedded GSMen
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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