Voice Quality Experience Evaluation: MOS Laboratory Test and Spectrum Analysis of Failures in VoLTE Calls

Chabi, Abdel Fadyl; de Aguiar, Matheus Fontinele; Carvalho, Jordan Kalliure S.; Rodrigues, Vivianne de Aquino; Campos, João Vitor Da S.; Fonseca, Bruna Maira Da S.; Sousa, Janislley O. De

doi:10.1109/iaict59002.2023.10205635

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Cited by 2 publications

References 7 publications

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Performance Analysis of 5G Voice Solutions via EPS Fallback and VoNR

De Aguiar,

Carvalho,

De A. Rodrigues

et al. 2023

2023 IEEE Latin-American Conference on Communications (LATINCOM)

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Performance Analysis of 5G Voice Solutions via EPS Fallback and VoNR

De Aguiar,

Carvalho,

De A. Rodrigues

et al. 2023

2023 IEEE Latin-American Conference on Communications (LATINCOM)

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Voice Quality Evaluation in a Mobile Cellular Network: In Situ Mean Opinion Score Measurements

Leonte,

Pastrav,

Zamfirescu

et al. 2024

Sensors

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This article aims to test, measure and evaluate the quality of voice calls made in a mobile cellular network. A set of drive tests were conducted, during which logs were collected using specialized measurement terminals equipped with a dedicated voice evaluation application. Three different scenarios were considered: the first scenario consisted of a series of mobile-to-mobile calls in a circuit-switched (CS) domain over the GSM network, the second scenario involved similar calls using the VoLTE service in a packet-switched (PS) domain of a 4G network, and the third scenario employed an over-the-top (OTT) media service type via the WhatsApp application in the same PS domain of the 4G network. The measurement results highlight the user experience in each scenario and compare the voice quality evaluated through the Mean Opinion Score (MOS) across the CS and PS domains. The originality of this work consists of in situ measurements performed in Bucharest, Romania, providing detailed, context-specific insights regarding the network performance that can drive local improvements and support policy and investment decisions.

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Voice Quality Experience Evaluation: MOS Laboratory Test and Spectrum Analysis of Failures in VoLTE Calls

Cited by 2 publications

References 7 publications

Performance Analysis of 5G Voice Solutions via EPS Fallback and VoNR

Performance Analysis of 5G Voice Solutions via EPS Fallback and VoNR

Voice Quality Evaluation in a Mobile Cellular Network: In Situ Mean Opinion Score Measurements

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