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Cooperative Quality of Experience Management for Interactive Cloud-Based Multimedia Applications in Mobile Networks
Project status:
From: 2015-07-01
To: 2018-06-30
(Completed)
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HRZZ
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Croatian partner
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Croatian partner
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doc.dr.sc. Lea Skorin-Kapov
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Short description of project
With the proliferation of new mobile devices such as smartphones and tablets, mobile applications and services have become an integral part of our daily life activities. The capability of providing rich multimedia applications on mobile devices, coupled with the context sensing and interconnection abilities of such devices, are sure to drive the adoption of new applications and have a profound impact on the way people communicate, learn, or entertain. Driven by requirements such as scalability, flexibility, and administration, there is an increasing trend in migrating applications to the cloud. What remains a key concern and differentiator between providers will be meeting the end users’ requirements in terms of service quality and expectations, commonly referred to as the user’s Quality of Experience (QoE). The Q-MANIC project will propose a cooperative QoE management scheme exploiting new QoE knowledge and business models centred around cooperative efforts between cloud/service providers and mobile network operators in order to achieve more efficient management of network/system resources, while enhancing the end user experience when using advanced multimedia applications. Novel approaches for coordination and information exchange among actors involved in the service delivery chain will be proposed beyond those available in today's networks. Resource allocation and service adaptation algorithms will be proposed targeting different optimization strategies and taking into account multiple stakeholder perspectives. To demonstrate the benefits and applicability of the proposed approach, we will focus on two concrete use cases involving highly interactive, bandwidth intensive cloud-based multimedia applications delivered via emerging mobile networks (LTE/LTE-advanced/5G): mobile cloud gaming, and mobile multi-party video chat. In both use cases, we will rely on our empirically obtained data which we will use to specify QoE models and optimal service adaptation strategies given heterogeneous network, user and context conditions. The QoE management scheme will then combine network management mechanisms and application adaptation strategies in the cloud in order to bring improvements (in terms of end user QoE and efficient resource usage) when delivering resource intensive mobile multimedia applications. The project will take a multidisciplinary approach, combining knowledge from engineering/networking, psychology, and interface/system design. A key contribution beyond state-of-the art will be the incorporation of contextual knowledge (e.g., content type, social context, service cost, user mobility) and the analysis of user behaviour and interactions into building validated QoE models that will be exploited in the context of effective QoE management.
Short description of the task performed by Croatian partner
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