Annika Sällström's research while affiliated with Luleå University of Technology and other places

Publications (5)

A few years ago, an experimental facility composed of networking gear and simulation tools was sufficient for testing the main features of a prototype before the final product could be launched to the Internet market. This paradigm has certainly changed, but the lack of platforms enabling the realistic assessment of the different facets of a product, including cross-cutting trials across different testbeds, poses strong limitations for researchers and developers. In light of this, we present an open platform that offers a versatile combination of heterogeneous experimental facilities called “TEstbed for Future Internet Services” (TEFIS). TEFIS provides a single access point for conducting cutting-edge experiments on testbeds that supply different capabilities, including testbeds dedicated to network performance, software performance, grid computing, and living labs. We shall show that TEFIS covers the entire life-cycle of a multifaceted experiment, with the advantage that a single testrun can seamlessly execute across different experimental facilities. In order to demonstrate the potential and versatility of the TEFIS platform, we describe the deployment of four distinct experiments and provide a set of results highlighting the benefits of using TEFIS. The experiments described in this article cover: i) the experimentation with an open API called OPENER (which is an open and programmable environment for managing experimentation with SDN applications); ii) an application for skiers and tourists at the Megève ski resort in France; iii) an application that can dynamically adapt the Quality of Experience (QoE) of multimedia services for mobile users; and iv) an augmented reality workspace for remote education and learning purposes based on videoconferencing.
QUEENS (Dynamic Quality User Experience ENabling Mobile Multimedia Services) aims at exploiting and leveraging on the benefits and flexibility provided by a novel dynamic real-time QoE provisioning framework in order to assess and establish a new era of user-centric mobile multimedia applications. To achieve that, QUEENS utilizes and builds on the TEFIS infrastructure (EC ICT FIRE initiative) that provides a unique integrated platform for supporting efficient Future Internet service experiment and development involving different actors and heterogeneous testbeds. The TEFIS tools and facilities for designing, planning and executing QUEENS experiment, along with a QoE-aware mobile multimedia application prototype will be demonstrated, forming the trends of future internet services and experimental procedures.
This demonstration will show how the TEFIS portal is used to plan a Future Internet service experiment, to request testbed resources, to configure and provision them, and to run single or multiple testruns, checking monitoring output and results in the process. We will show a live demonstration of a Future Internet service, using a very complex Travel eCommerce application to provide insights into how TEFIS meets experimenter's service requirements via a single access point. Moreover, we will show how to specify and plan for a Future Internet experiment to optimise for the best results.
Involving users has become a prerequisite these days in ITproduct and service development processes; hence, the question is not so much about why we should involve users, but rather how they should be involved. Embracing a Living Lab approach means to strive to involve users throughout the innovation process and to make users engaged co-creators of the innovation. In this paper, we present different degrees of user involvement in design and evaluation processes and relate these to our experiences of involving users in Mobile Living Lab situations. We identify aspects we have grappled with in these process and issues that needs to be elaborated on further since the area of Mobile Living Lab is growing and concepts such as ubiquitous computing and context awareness is emerging. This in turn, sets new demands on methods for user involvement in the wild.
Nowadays, it is commonly acknowledged that it is important to learn from users when the aim is to develop user-centred services and products. This is shown in the fact that a lot of the commercially important innovations that are developed today are developed by end-users. When it comes to innovation, it is a process burdened with uncertainty and the only way to get input on users reactions, is to start developing it and to let users use it. One way to involve users in the process of innovation development is the Living Lab approach in which one guiding principle is realism. In this paper, the aim is to discuss and illustrate how the Living Lab principle realism takes form and is facilitated in a mobile service development project. We found that realism takes different forms depending on which phase the innovation process is in.

Citations

Top co-authors (31)

Anna Ståhlbröst
  • Luleå University of Technology
Giorgos Aristomenopoulos
  • National Technical University of Athens
Marita Holst
  • Luleå University of Technology
Brian Pickering
  • University of Southampton
Elvio Borrelli
  • National Institute for Research in Computer Science and Control
René Serral-Gracià
  • Universitat Politècnica de Catalunya

Affiliations

Luleå University of Technology
Department
  • Centre for Distance-spanning Technology (CDT)

Publication Stats

Citations
9