Forthcoming and Online First Articles

International Journal of Computational Systems Engineering

International Journal of Computational Systems Engineering (IJCSysE)

Forthcoming articles have been peer-reviewed and accepted for publication but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

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International Journal of Computational Systems Engineering (3 papers in press)

Regular Issues

  • Ensuring project resilience and public services in a pandemic context: two French case studies   Order a copy of this article
    by Christophe GAIE, Raul De Lacerda 
    Abstract: This paper examines the resilience of IT projects to the Covid-19 pandemic. It provides a literature overview of resilience applicability in IT projects and it details the context of IT project management on public services. A simplified managed model is described to facilitate the evaluation of project resilience. This model enhances project resilience by strengthening the project in the organizational, operational, functional and project dimensions. Two case studies are detailed based on on-going IT projects carried by public French Institutions: the modernisation of the French personal income system; and the migration of a full on-line teaching due to the sanitary confinement.The analysis relies the four dimensions and hihglights their contribution in the pandemic recovery context. Whereas this approach may be perceived as simplistic, it offers essential lessons to improve resilience of IT projects for public services when facing unespected crisis.\r\n\r\n
    Keywords: IT Project Management; Project Planification; Project Resilience; Public Services\r\n\r\n.

  • The Future of Spectrum Management - Conciliating Spectrum Allocation, Spectral Efficiency and Spectrum Monetization   Order a copy of this article
    by Christophe GAIE, Markus Mück 
    Abstract: Current Spectrum Management paradigms are reaching their limits; communication systems such as 5G are key drivers for the world economy, but regulation authorities are facing challenges to identify suitable spectrum allocation for wide area deployment. On the other hand, in a given location and at a given time, the actual level of usage of allocated spectrum is often low. Thus, it seems inefficient to squeeze key economic drivers into small portions of available spectral resources while other parts of the spectrum may remain underused. As a result, a shift in spectrum management policy is inevitable. This paper describes various candidate directions, combining novel approaches such as spectrum sharing with dynamic rules exploiting variable spectral efficiency configurations of existing technologies. These proposals dramatically increase the overall exploitation of the limited resource of spectrum.
    Keywords: Spectrum Monetization; Public policy enforcement.

  • Integrated On-line and Off-line Scheduling of Real-Time Tasks using Co-processor Scheduling Unit : Toward Dual-Mode kernels   Order a copy of this article
    by Yacine LAALAOUI 
    Abstract: In this paper, we integrate On-line and Off-line Scheduling of Real-Time Tasks using two Processing Elements. The scheduling task executes on the first PE (called Scheduling PE or the Co-processor). User tasks execute on the second PE (called Main PE). The main objective is to decrease the scheduling overhead from the main PE. The Scheduling PE executes both on-line and off-line algorithms. Thus, it runs on two different modes, scheduling and dispatching. The scheduling mode executes first at selection instants using an on-line algorithm. The off-line algorithm executes in parallel to users tasks. Once the off-line algorithm finds a feasible schedule, the Scheduling PE switches to dispatching mode. We further describe a new task states that fit the proposed design. Finally, we explain the resolvability of the problem of nonpreemptive scheduling using the IBM ILOG-CP solver and Xu&Parnas's algorithm using the proposed design.
    Keywords: real-time tasks; scheduler; dispatcher; optimal scheduling; on-line; off-line; co-processor scheduling.