Voice Quality In Cellular Networks

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Tigerstedt, Karl
dc.contributor.author Khalid, Sirosh
dc.date.accessioned 2018-12-21T16:00:22Z
dc.date.available 2018-12-21T16:00:22Z
dc.date.issued 2018-12-17
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/35732
dc.description.abstract In the field of telecommunication, assessing voice quality in cellular networks is one of the most crucial needs of this era. Given the reliance of modern society on cellular communication, clarity of voice is and will continue to gain importance. Voice quality is measured at every stage of cellular communication from the initial R&D to when a voice call is placed on a live network. Different algorithms have been proposed by International Telecommunication Union-Telecommunication Standardization Sector (ITU-T) to measure voice quality. POLQA version 2.4 is the most latest available algorithm. Based on POLQA algorithm, objective voice quality measuring method is used to measure voice quality on a large scale for all the available on-air technologies such as GSM, WCDMA and LTE. Different tools are available to measure voice quality and two tools were picked to measure quality of the client’s network. Both tools were based on POLQA 2.4 algorithm however, produced different results in various scenarios. Based on results above, the tool providing better evaluation of voice quality had been proposed for future use in client’s network. en
dc.format.extent 50+7
dc.language.iso en en
dc.title Voice Quality In Cellular Networks en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.school Sähkötekniikan korkeakoulu fi
dc.subject.keyword mean opinion score en
dc.subject.keyword POLQA en
dc.subject.keyword objective voice quality en
dc.subject.keyword subjective voice quality en
dc.subject.keyword AMR codecs en
dc.identifier.urn URN:NBN:fi:aalto-201812216741
dc.programme.major Communication Engineering fi
dc.programme.mcode ELEC3029 fi
dc.type.ontasot Master's thesis en
dc.type.ontasot Diplomityö fi
dc.contributor.supervisor Hamalainen, Jyri
dc.programme CCIS - Master’s Programme in Computer, Communication and Information Sciences (TS2013) fi
dc.location P1 fi
local.aalto.electroniconly yes
local.aalto.openaccess no


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