References of "2018"
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See detailFrench memories about the ARPANET: a conversation with Michel Élie and Gérard Le Lann
Schafer, Valerie UL; Paloque-Bergès, Camille

in Internet Histories: Digital Technology, Culture and Society (2018)

Although the ARPANET was a United States-funded project that was deeply rooted in US post-war science and technology policies, it had an international dimension from its very early days. The memories of ... [more ▼]

Although the ARPANET was a United States-funded project that was deeply rooted in US post-war science and technology policies, it had an international dimension from its very early days. The memories of Michel Elie and Gerard Le Lann are oriented towards their US experience. They testify to an early French presence in the ARPANET project at two stages of its history: in 1969–1970, when the first nodes came into activity, and in 1973–1974, when TCP, which evolved into TCP/IP and became the Internet’s flagship protocol, was defined, replacing NCP, which was at the heart of the ARPANET. They thus highlight crucial but different sides of the ARPANET’s genesis. [less ▲]

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See detailTest Suite Generation with the Many Independent Objective (MIO) Algorithm
Arcuri, Andrea UL

in Information and Software Technology (2018), 104(December), 195-206

Context: Automatically generating test suites is intrinsically a multi-objective problem, as any of the testing targets (e.g, statements to execute or mutants to kill) is an objective on its own. Test ... [more ▼]

Context: Automatically generating test suites is intrinsically a multi-objective problem, as any of the testing targets (e.g, statements to execute or mutants to kill) is an objective on its own. Test suite generation has peculiarities that are quite different from other more regular optimisation problems. For example, given an existing test suite, one can add more tests to cover the remaining objectives. One would like the smallest number of small tests to cover as many objectives as possible, but that is a secondary goal compared to covering those targets in the first place. Furthermore, the amount of objectives in software testing can quickly become unmanageable, in the order of (tens/hundreds of) thousands, especially for system testing of industrial size systems. Objective: To overcome these issues, different techniques have been proposed, like for example the Whole Test Suite (WTS) approach and the Many-Objective Sorting Algorithm (MOSA). However, those techniques might not scale well to very large numbers of objectives and limited search budgets (a typical case in system testing). In this paper, we propose a novel algorithm, called Many Independent Objective (MIO) algorithm. This algorithm is designed and tailored based on the specific properties of test suite generation. Method: An empirical study was carried out for test suite generation on a series of artificial examples and seven RESTful API web services. The \evo system test generation tool was used, where MIO, MOSA, WTS and random search were compared. Results: The presented MIO algorithm resulted having the best overall performance, but was not the best on all problems. Conclusion: The novel presented MIO algorithm is a step forward in the automation of test suite generation for system testing. However, there are still properties of system testing that can be exploited to achieve even better results. [less ▲]

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See detailPhase-field predictive model for setting of fresh self-compacting concrete
Huang, Haiqin UL; Zilian, Andreas UL

in Proceedings in Applied Mathematics and Mechanics (2018), 18(1),

The initial setting of fresh concrete is mainly caused by the dissolution of cement grains and the precipitation of calcium-silicate-hydrates during cement hydration. Progressing hydration drives the ... [more ▼]

The initial setting of fresh concrete is mainly caused by the dissolution of cement grains and the precipitation of calcium-silicate-hydrates during cement hydration. Progressing hydration drives the transition from a dense suspension to a porous solid phase. Fresh mixture of self-compacting concrete (SCC) can be considered as a phase-changing multi-component material and can be described as a continuum at the macro scale, interacting with a set of transport-reaction-diffusion processes which in turn are driven by phenomena at the level of the microstructure. This contribution focuses on a predictive model for the setting of fresh SCC where the liquid-solid phase transition is captured by a phase-field variable using the Ginzburg-Landau type free energy function. Hydration-related chemical reactions together with heat and mass transfer are volume coupled with the mechanical behaviour and determined by the environmental conditions. The weak form of the predictive model is discretised using the finite element method and implemented with the FEniCS computational framework. [less ▲]

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See detailEn construction. La fabrique française d'Internet et du Web dans les années 1990
Schafer, Valerie UL

Book published by INA Editions (2018)

Cet ouvrage s’inscrit dans le cadre d’une histoire jeune et très contemporaine, celle d’Internet, du Web et des cultures numériques et explore leur fabrique dans les années 1990 en France. Cette recherche ... [more ▼]

Cet ouvrage s’inscrit dans le cadre d’une histoire jeune et très contemporaine, celle d’Internet, du Web et des cultures numériques et explore leur fabrique dans les années 1990 en France. Cette recherche, à la croisée de l’histoire des médias, de l’histoire de l’innovation, et de l’histoire sociale et culturelle, reflète les apports d’une approche française de l’histoire d’Internet et du Web. Matérialité et infrastructures, temporalités et trajectoires, espaces et territoires traversent les cinq chapitres du livre. Ils apportent des arguments au choix d’une analyse nationale d’un phénomène pourtant transnational, en s’intéressant à l’attribution des noms de domaine et à la francophonie au sein de la Toile, à la transition entre la culture Minitel et celle du Web, ou encore à la place d’un État qui passe du volontarisme et du monopole des télécommunications à la dérégulation et aux imaginaires des autoroutes puis de la société de l’information. Explorant les pratiques, difficultés, tâtonnements de la période et le tournant grand public du Web, on croise au cours de cette navigation des informaticiens, des entrepreneurs, des politiques, des passionnés de science-fiction, des militants, autant d’acteurs qui se confrontent, débattent, co-construisent. Ils vous invitent à les suivre dans un chantier entre « cathédrale et bazar », pour reprendre Eric Raymond, dont l’exotisme mais aussi l’actualité des débats ne cessent de nous frapper. Bienvenue dans le Cyberespace des années 1990 ! [less ▲]

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See detailWeb History in Context
Schafer, Valerie UL; Thierry, Benjamin

in Brügger, Niels; Milligan, Ian (Eds.) The SAGE Handbook of Web History FIRST EDITION (2018)

The presence now of the Web in every area of life demands studies which constitute it simultaneously both as itself a contextualising object and as anchored in a context. Contextualising because today it ... [more ▼]

The presence now of the Web in every area of life demands studies which constitute it simultaneously both as itself a contextualising object and as anchored in a context. Contextualising because today it directly influences an infinite number of objects, which can no longer be studied without taking account of their echoes online. In transmedia dynamics in particular, we can see how the Web is increasingly becoming an ever-present backdrop to controversies, to the configuration of information and even to interpersonal relationships. Equally, the Web must find its own contextualisation, first of all – since we are historians – from a diachronic perspective. The first challenge is not to remain within the limits set by the technology itself. This twofold approach (the Web in context and the Web as context) suggests how focused we need to be on the construction of an ever-changing socio-technical reality – a return to a totalising, process-focused history which takes account of ongoing developments. We should resist the effects of any discourse tending to fix realities or establish, in hieratic or metonymic fashion, an image of ‘THE’ Web. The present analysis falls into three main sections, which interrogate, in turn, the diachronic or temporal contextualisation, the boundaries or spatial contextualisation, and finally collective and individual experiences of the Web. [less ▲]

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See detailAn Empirical Evaluation of Evolutionary Algorithms for Unit Test Suite Generation
Campos, Jose; Ge, Yan; Albunian, Nasser et al

in Information and Software Technology (2018), 104(December), 207-235

Context: Evolutionary algorithms have been shown to be e ective at generating unit test suites optimised for code coverage. While many speci c aspects of these algorithms have been evaluated in detail (e ... [more ▼]

Context: Evolutionary algorithms have been shown to be e ective at generating unit test suites optimised for code coverage. While many speci c aspects of these algorithms have been evaluated in detail (e.g., test length and di erent kinds of techniques aimed at improving performance, like seeding), the in uence of the choice of evolutionary algorithm has to date seen less attention in the literature. Objective: Since it is theoretically impossible to design an algorithm that is the best on all possible problems, a common approach in software engineering problems is to rst try the most common algorithm, a Genetic Algorithm, and only afterwards try to re ne it or compare it with other algorithms to see if any of them is more suited for the addressed problem. The objective of this paper is to perform this analysis, in order to shed light on the in uence of the search algorithm applied for unit test generation. Method: We empirically evaluate thirteen di erent evolutionary algorithms and two random approaches on a selection of non-trivial open source classes. All algorithms are implemented in the EvoSuite test generation tool, which includes recent optimisations such as the use of an archive during the search and optimisation for multiple coverage criteria. Results: Our study shows that the use of a test archive makes evolutionary algorithms clearly better than random testing, and it con rms that the DynaMOSA many-objective search algorithm is the most e ective algorithm for unit test generation. Conclusions: Our results show that the choice of algorithm can have a substantial in uence on the performance of whole test suite optimisation. Although we can make a recommendation on which algorithm to use in practice, no algorithm is clearly superior in all cases, suggesting future work on improved search algorithms for unit test generation [less ▲]

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See detailGesundheit und Wohlbefinden von Kindern und Jugendlichen - Bericht zur HBSC-Befragung luxemburgischer Schülerinnen und Schüler 2014
Heinz, Andreas UL; van Duin, Claire UL; Catunda, Carolina UL et al

Book published by University of Luxembourg (2018)

The following report contains the results of the Luxembourgish Health Behaviour in School-aged Children (HBSC) study, which was conducted in the year 2014. The HBSC study is a cross-national survey study ... [more ▼]

The following report contains the results of the Luxembourgish Health Behaviour in School-aged Children (HBSC) study, which was conducted in the year 2014. The HBSC study is a cross-national survey study that collects data every four years in school classes across Europe, Asia and Canada. In Luxembourg, students from primary and secondary schools that teach according to the Luxembourgish curriculum were included in the study. This report contains the data of 7233 students aged 11 to 18 years old. The HBSC study inquires about a wide range of topics, including questions on subjective well-being, nutrition, physical activity, social relationships in- and outside of school, use of addictive substances and sexual behaviour. This report examines these topics mainly with regard to socio-demographic characteristics. With regards to gender, neither boys nor girls are at a clear disadvantage for the researched themes. The position of boys and girls depends on the theme, which means that for certain themes boys are at a disadvantage, whereas for other themes girls are at a disadvantage. Boys indicate higher rates of substance use (alcohol, tobacco and cannabis), higher rates of overweight and they watch more television than girls. However, girls report less physical activity, lower rates of breakfast consumption, more health complaints and lower life satisfaction compared to boys. For almost all the indicators examined, the 11-12-year-olds have the best scores and often the next group (13-14-year-olds) is already performing significantly worse. The only exception in this pattern was found for the variable of bullying: the older the students are, the less often they are victims of bullying. The age 12-13 is therefore considered a critical phase of life from a health perspective. Additionally, the social status of students is of relevance for their health. The large majority of indicators show that the higher the family affluence, the better the results reported by students. Students from the Fondamental are younger, and thus obtain better scores for the majority of indicators than the students from secondary schools. Within secondary schools, better scores are obtained by Secondaire classique students compared to Secondaire technique students. In the international comparison, Luxembourgish students are inconspicuous and often placed in the midfield with average scores. Compared to students in other countries, Luxembourgish students report to do more sports and they report fewer occasions of drunkenness in their life. However, Luxembourg obtained low scores for two indicators: Luxembourgish students have a high number of health complaints (e.g. pain, problems falling asleep, nervousness) and their life satisfaction is relatively low. [less ▲]

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See detailLes compétences scolaires des enfants au début du cycle 2 de l'école fondamentale au Luxembourg et leur développement après deux ans.
Hoffmann, Danielle UL; Hornung, Caroline UL; Gamo, Sylvie UL et al

Report (2018)

Ce chapitre présente les résultats de trois collectes de données (2014, 2015, 2016) des ÉpStan au cycle 2.1 et présente avec quelles compétences scolaires les élèves débutent leur scolarité au début du ... [more ▼]

Ce chapitre présente les résultats de trois collectes de données (2014, 2015, 2016) des ÉpStan au cycle 2.1 et présente avec quelles compétences scolaires les élèves débutent leur scolarité au début du cycle 2.1 et comment celles-ci évoluent sur deux ans. De manière générale, nos résultats montrent que les compétences disciplinaires du cycle 1 portant sur les trois domaines d’apprentissage observés (« compréhension de l’oral en luxembourgeois », « compréhension de l’écrit» et « mathématiques ») sont acquises. Au début du cycle 2.1, la majorité des élèves atteint le Niveau Avancé dans l’ensemble des trois domaines d’apprentissage considérés. Deux ans plus tard, au cycle 3.1, la répartition des élèves sur les différents niveaux de compétence est plus négative qu’au cycle 2.1 et ceci dans la mesure où moins d’enfants ont atteint le Niveau Socle dans l’ensemble des trois domaines d’apprentissage observés. Nos résultats montrent également que, dès le début de la scolarité, différents facteurs extrascolaires (tels que le statut socio-économique et le contexte linguistique) ont une influence extrêmement forte sur les résultats des épreuves et que cette influence augmente au fil des années. [less ▲]

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See detailQoS-Constrained Sum-Harvested Energy Maximization in OFDMA-based Wireless Cooperative Networks
Gautam, Sumit UL; Lagunas, Eva UL; Vuppala, Satyanarayana UL et al

Scientific Conference (2018, December)

We investigate the performances of the time-switching (TS) and power-splitting (PS) based energy harvesting models in a two-hop relay assisted network where the end-users are capable of decoding ... [more ▼]

We investigate the performances of the time-switching (TS) and power-splitting (PS) based energy harvesting models in a two-hop relay assisted network where the end-users are capable of decoding information and harvesting energy concurrently. In particular, we consider joint resource allocation and relay selection to realize Simultaneous Wireless Transmission of Information and Energy (Wi-TIE) in a multi-carrier multi-user cooperative system where the relays employ the amplify-and-forward (AF) protocol. First, we formulate based on the TS and PS Wi-TIE architectures an optimization problem to maximize the sum of energy harvested at the end-users, taking into consideration each user's quality-of-service (QoS) requirement as well as power constraints at the transmit and relaying nodes. We then solve the formulated problem to optimize the users' Wi-TIE splitting factors along with relay-user coupling, sub-carrier-user assignment, sub-carrier pairing, and power allocation. Finally, we demonstrate the benefits of the proposed framework via numerical results. [less ▲]

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See detailL’efficacité du retour dans les États membres de l’UE: défis et bonnes pratiques dans l’application des règles européennes en matière de retour
Petry, David UL; Sommarribas, Adolfo UL; Coda, Nicolas UL et al

Article for general public (2018)

Le retour des ressortissants de pays tiers en séjour irrégulier est l‘un des principaux piliers de la politique de l‘UE en matière de migration et d‘asile. Dans son plan d‘action sur le retour en 2015 et ... [more ▼]

Le retour des ressortissants de pays tiers en séjour irrégulier est l‘un des principaux piliers de la politique de l‘UE en matière de migration et d‘asile. Dans son plan d‘action sur le retour en 2015 et dans sa communication de 2017 relative à une politique de retour plus efficace et la recommandation qui l‘a accompagnée, la Commission a souligné la nécessité d‘une mise en œuvre plus stricte des règles européennes en la matière. Cette note de synthèse présente les principaux résultats de l’étude réalisée en 2017 par le point de contact de l´European Migration Network au Luxembourg intitulée «L’efficacité du retour dans les Etats membres de l’UE: défis et bonnes pratiques dans l’application des règles européennes en matière de retour» ainsi que du rapport synthétique qui en résulte. L’étude se base sur les informations recueillies jusqu’au mois de juillet 2017. Cette note de synthèse vise à analyser l‘impact des règles européennes sur le retour ainsi que sur les politiques et pratiques mises en œuvre dans les différents États membres. Elle présente également la manière dont les normes et procédures européennes ont été interprétées et appliquées au niveau national et, dans la mesure du possible, leur impact sur l‘efficacité du dispositif de retour. Toutefois, une certaine prudence s’impose tant il est difficile d‘établir des liens de causalité entre des mesures politiques spécifiques et le nombre de retours mis en œuvre. [less ▲]

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See detailLiterary Histories, National Literatures, and Early Conceptions of World Literature in the Athenaeum, 1833-1838.
Millim, Anne-Marie UL

in Yearbook of English Studies (2018), 48

The reign of William IV represents a period concerned with questions of national identity, not only in a national context, but also in a global one. Periodicals of the time, such as the Athenaeum, present ... [more ▼]

The reign of William IV represents a period concerned with questions of national identity, not only in a national context, but also in a global one. Periodicals of the time, such as the Athenaeum, present the co-existence of two related, but inherently opposite conceptions of literature and its functions: Goethe’s idea of Weltliteratur is contemporaneous to developments in the formation and consolidation of national literatures, which can be observed to co-exist even in the early nineteenth-century. World literature, as imagined by Goethe in the 1930s, represents a way of circumventing the inward-looking attitude of nationalism, and of prioritising fluidity and flexibility over stability. National literature, as practiced widely during the nineteenth century, represents a way of grounding national genius in literary texts, either by scrutinising only the works of authors of a specific nationality, or by comparing them in a transnational, intercultural perspective. This article investigates two series of articles published almost concurrently in the Athenaeum: ‘A Biographical and Critical History of the Literature of the last Fifty Years’, by Allan Cunningham in 1833, and ‘Literature of the Nineteenth Century’, by diverse authors between 1834 and 1838. This article highlights the co-existence between different authorial focalisations in historicising and historiographing literature, demonstrating the malleability, undecidability, and arbitrariness of dominant models of national literary identities. I argue that during the 1830s, the Athenaeum’s outlook is decidedly cosmopolitan and international as the contributors engage with European literature equally often as they do with British texts. They are also eager to stretch the readers’ awareness beyond the European context, embracing the wealth of ideas, styles, and perspectives as culturally enriching, but not exotic, erudition. [less ▲]

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See detailGood Business: The Economic Case for Protecting Human Rights
Baglayan, Basak UL; Landau, Ingrid; Mcvey, Marisa et al

Report (2018)

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See detailInteroperability of EU Databases and Access to Personal Data by National Police Authorities under Article 20 of the Commission Proposals
Quintel, Teresa Alegra UL

in European Data Protection Law Review (2018), 4/2018(4), 470-482

This contribution assesses data protection concerns relating to the processing of personal data carried out pursuant to Article 20 of the interoperability proposals, which were published by the European ... [more ▼]

This contribution assesses data protection concerns relating to the processing of personal data carried out pursuant to Article 20 of the interoperability proposals, which were published by the European Commission on 12 December 2017. The proposals seek to enable all centralised EU databases for security, border and migration management to be interconnected by 2023. Under Article 20 of the proposals, Member States would be permitted to implement national provisions that allow national police authorities to query one of the interoperability components with biometric taken during an identity check. Such queries shall prevent irregular migration and ensure a high level of security within Union. In particular, this article seeks to examine the data protection concerns arising with regard to streamlined law enforcement access to non-law enforcement databases included in the interoperable framework, and addresses risks for individuals to become subject to unfair processing under Article 20 of the interoperability proposal. [less ▲]

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See detailHealth access and wealth: Does capital structure matter?
Paccoud, Ivana; Leist, Anja UL

Scientific Conference (2018, December)

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See detailA Family of Lightweight Twisted Edwards Curves for the Internet of Things
Ghatpande, Sankalp UL; Groszschädl, Johann UL; Liu, Zhe UL

in Blazy, Olivier; Yeun, Chan Y. (Eds.) Information Security Theory and Practice, 12th IFIP WG 11.2 International Conference, WISTP 2018, Brussels, Belgium, December 10-11, 2018, Proceedings (2018, December)

We introduce a set of four twisted Edwards curves that satisfy common security requirements and allow for fast implementations of scalar multiplication on 8, 16, and 32-bit processors. Our curves are ... [more ▼]

We introduce a set of four twisted Edwards curves that satisfy common security requirements and allow for fast implementations of scalar multiplication on 8, 16, and 32-bit processors. Our curves are defined by an equation of the form -x^2 + y^2 = 1 + dx^2y^2 over a prime field Fp, where d is a small non-square modulo p. The underlying prime fields are based on "pseudo-Mersenne" primes given by p = 2^k - c and have in common that p is congruent to 5 modulo 8, k is a multiple of 32 minus 1, and c is at most eight bits long. Due to these common features, our primes facilitate a parameterized implementation of the low-level arithmetic so that one and the same arithmetic function is able to process operands of different length. Each of the twisted Edwards curves we introduce in this paper is birationally equivalent to a Montgomery curve of the form -(A+2)y^2 = x^3 + Ax^2 + x where 4/(A+2) is small. Even though this contrasts with the usual practice of choosing A such that (A+2)/4 is small, we show that the Montgomery form of our curves allows for an equally efficient implementation of point doubling as Curve25519. The four curves we put forward roughly match the common security levels of 80, 96, 112 and 128 bits. In addition, their Weierstraß representations are isomorphic to curves of the form y^2 = x^3 - 3x + b so as to facilitate inter-operability with TinyECC and other legacy software. [less ▲]

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See detailWhat is Modernism?
Millim, Anne-Marie UL

in Millim, Anne-Marie (Ed.) Modernismen in Luxemburg: Traditionen, Variationen, Brüche (2018)

Despite different recent publications investigating global and lesser-known modernisms, Luxembourg remains a blank spot on the map of modernism studies. To some extent, this is surprising. As Gast Mannes ... [more ▼]

Despite different recent publications investigating global and lesser-known modernisms, Luxembourg remains a blank spot on the map of modernism studies. To some extent, this is surprising. As Gast Mannes notes in his seminal work Luxemburgische Avantgarde of 2007, the underrepresentation of Luxembourgish authors and artists in the history of high modernism is not altogether justified, due to the fact that »individual authors, partly due to bilingualism, played a special role in the transfer of ideas between France and Germany«—a fact that is little known, both in Luxembourg and abroad. To a similar extent, Luxembourg’s absence from modernism studies is unsurprising. One significant factor is that, for many years, the Luxembourgish public, cultural institutions, and creators have placed more value on works of international renown than on Luxembourgish art and literature. This article argues that understanding the invention, management, and rejection of traditions in parallel to avant-garde works is important as it valorises literary and artistic production that could be categorised as »juste milieu«, as moderately modernist, as significant, even revolutionary, in its context, even if not necessarily so from an international perspective. [less ▲]

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See detailPower and Load Optimization in Interference-Coupled Non-Orthogonal Multiple Access Networks
Lei, Lei UL; You, Lei; Yang, Yang UL et al

in IEEE Global Communications Conference (GLOBECOM) 2018 (2018, December)

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See detailVom ersten Kongress der Gesellschaft für Musikerziehung in Prag 1936 bis 2016
Sagrillo, Damien UL; Brusniak, Friedhelm

Book published by Margraf (2018)

Vom 18. bis 20. November 2016 fand an der Universität Würzburg in Zusammenarbeit mit der Internationalen Leo-Kestenberg-Gesellschaft (IKG) ein von der Deutschen Forschungsgemeinschaft (DFG) unterstützter ... [more ▼]

Vom 18. bis 20. November 2016 fand an der Universität Würzburg in Zusammenarbeit mit der Internationalen Leo-Kestenberg-Gesellschaft (IKG) ein von der Deutschen Forschungsgemeinschaft (DFG) unterstützter internationaler Kongress zum Thema Vom ersten Internationalen Kongress der Gesellschaft für Musikerziehung in Prag 1936 bis 2016 – Ein Beitrag zum Diskurs über »cultural heritage« statt. Die hier in Auswahl publizierten Vorträge folgen dem Programm des Würzburger Kongresses, an dem Referenten aus Deutschland, Frankreich, Luxemburg, Tschechien und der Schweiz sowie aus Israel und Kanada teilnahmen. Die Autoren der Beiträge für den vorliegenden Band sind Friedhelm Brusniak, Karl Heinrich Ehrenforth, Andreas Eschen, Mechtild Fuchs, Jiřina Jiřičková/Jan Prchal, Helmke Jan Keden, Philip A. Maxwell, Franz Metz, Christoph Richter, Thomas Rösch, Anna-Christine Rhode-Jüchtern, Damien Sagrillo, Dietmar Schenk, Josef Schuster, Pascal Terrien/Angelika Güsewell/Rym Vivien. [less ▲]

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See detailSequential Resource Distribution Technique for Multi-User OFDM-SWIPT based Cooperative Networks
Gautam, Sumit UL; Lagunas, Eva UL; Chatzinotas, Symeon UL et al

Scientific Conference (2018, December)

In this paper, we investigate resource allocation and relay selection in a dual-hop orthogonal frequency division multiplexing (OFDM)-based multi-user network where amplify-and-forward (AF) enabled relays ... [more ▼]

In this paper, we investigate resource allocation and relay selection in a dual-hop orthogonal frequency division multiplexing (OFDM)-based multi-user network where amplify-and-forward (AF) enabled relays facilitate simultaneous wireless information and power transfer (SWIPT) to the end-users. In this context, we address an optimization problem to maximize the end-users’ sum-rate subjected to transmit power and harvested energy constraints. Furthermore, the problem is formulated for both time-switching (TS) and power-splitting (PS) SWIPT schemes.We aim at optimizing the users’ SWIPT splitting factors as well as sub-carrier–destination assignment, sub-carrier pairing, and relay–destination coupling metrics. This kind of joint evaluation is combinatorial in nature with non-linear structure involving mixed-integer programming. In this vein, we propose a sub-optimal low complex sequential resource distribution (SRD) method to solve the aforementioned problem. The performance of the proposed SRD technique is compared with a semi-random resource allocation and relay selection approach. Simulation results reveal the benefits of the proposed design under several parameter values with various operating conditions to illustrate the efficiency of SWIPT schemes for the proposed techniques. [less ▲]

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See detailCriminelles. Le Crime à l'épreuve du féminin
Barthelmebs-Raguin, Hélène UL; Freyheit, Matthieu

Book published by Presses universitaires de Reims (2018)

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