A Generic Quantitative Relationship to Assess Interdependency of QoE and QoS

• Sajad Khorsandroo,
• Rafidah Md Noor,
• Sayid Khorsandroo,

Vol. 7, No. 2, February 25, 2013
10.3837/tiis.2013.02.009, Download Paper (Free):

• QoE
• QoE assessment
• QoS
• QoE-QoS relationship

Abstract

Researchers as well as network providers are increasingly interested in understanding how a network user’s experience changes in relation to different quality of service (QoS) parameters, with many attempts being made to identify the general relationship between quality of experience (QoE) and QoS. Several relations in different function forms have been proposed. There are instances when this variety of proposed functions potentially results in one problem having completely dissimilar solutions at the same time. The question then is which function form is the one that can better explain this relationship. In this paper, three major existing quantitative relationships between QoE and QoS are investigated. After conducting a comprehensive comparative analysis between them, a new definition of QoEQoS dependency appears. It then results in identifying a new mutual relationship between QoE and QoS. The newly proposed relationship improves the deficiency of previous QoEQoS relationships along with solving the problem of diversity of simultaneous solutions for one problem.

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