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An Assessment of Quality of Service (QoS) In Voice Communications over Four GSM Networks in Lagos and Oyo States of Nigeria

ISSN-2223-4985
Journal from gdlhub / 2012-06-22 15:41:04
Oleh : T. O. OYEBISI , T. A. ABDUL-HAMEED, International Journal of Information and Communication Technology Research
Dibuat : 2012-06-22, dengan 1 file

Keyword : Telecommunications, Conversational Voice Quality, Mean Opinion Score (MOS), GSM Network, Cell
Url : http://esjournals.org/journaloftechnology/archive/vol1no5/vol1no5_10.pdf
Sumber pengambilan dokumen : Internet

This study investigated the performances of four operators of mobile telecommunications services in voice

communications in Lagos and Oyo States in South Western Nigeria for the first five years of operation. Using the

International Telecommunications Union (ITU) standard of measuring customer experience of voice telephony service

through the voice quality scores known as the Mean Opinion Score (MOS), the study identified the quality of service in

voice call between the year 2001 and 2006. The data used for the statistical analysis were obtained randomly from the

subscribers of GSM services in the states. The research established that the voice quality for the first five years of

operation on all the networks considered were below the ITU specified conversational voice quality of > 3.0 on the MOS

scale.

Deskripsi Alternatif :

This study investigated the performances of four operators of mobile telecommunications services in voice

communications in Lagos and Oyo States in South Western Nigeria for the first five years of operation. Using the

International Telecommunications Union (ITU) standard of measuring customer experience of voice telephony service

through the voice quality scores known as the Mean Opinion Score (MOS), the study identified the quality of service in

voice call between the year 2001 and 2006. The data used for the statistical analysis were obtained randomly from the

subscribers of GSM services in the states. The research established that the voice quality for the first five years of

operation on all the networks considered were below the ITU specified conversational voice quality of > 3.0 on the MOS

scale.

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