2009
DOI: 10.1007/978-3-642-04994-1_5
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Modeling of a QoS Matching and Optimization Function for Multimedia Services in the NGN

Abstract: Abstract. A key challenge for Next Generation Networks (NGN) is providing support for the negotiation and dynamic adaptation of Quality of Service (QoS) parameters. In this paper we propose a novel QoS Matching and Optimization Function (Q-MOF) to be included along the signaling path with the purpose of providing advanced service-level QoS matching and optimization logic for multimedia services being delivered to heterogeneous end users and access networks. The Q-MOF is introduced in the NGN architecture as a … Show more

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Cited by 14 publications
(21 citation statements)
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“…The results of objective value and resource configuration of our algorithm updated step by step show in Table 3. The experimental results with the input data sets in [15] show that resource configurations of our algorithm is similar results solved by GLPK [15].…”
Section: Case Studysupporting
confidence: 75%
See 3 more Smart Citations
“…The results of objective value and resource configuration of our algorithm updated step by step show in Table 3. The experimental results with the input data sets in [15] show that resource configurations of our algorithm is similar results solved by GLPK [15].…”
Section: Case Studysupporting
confidence: 75%
“…We implemented the prototype Audio/Video Call (AVC) service allow two end users to engage in an AVC in a laboratory IMS testbed [15]. The AVC service matching parameter and requirement with conversational audio and video, we assume the uplink direction from the call initiating user A to the terminating user B, the user capabilities and operator constraints is shown in Table 1.…”
Section: Case Studymentioning
confidence: 99%
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“…In our previous work, we have proposed a QoS negotiation and adaptation framework for multimedia sessions (Skorin-Kapov et al, 2007;Skorin-Kapov and Matijasevic, 2009), which has supported the application-level signalling and end-to-end negotiation of a so-called Media Degradation Path (MDP) to specify a mapping between session parameters, resource requirements, and corresponding user experience quality levels. The MDP has been defined as an ordered collection of different feasible session configurations, where each configuration specifies service operating parameters (e.g., codec, video resolution), corresponding resource requirements of each involved media flow (e.g., required bandwidth), as well as an expected utility value.…”
Section: Introductionmentioning
confidence: 99%