Analytical Model of the Single Threshold Mechanism with Hysteresis for Multi-Service Networks

Sobieraj, Maciej; Stasiak, Maciej; Weissenberg, Joanna; Zwierzykowski, Piotr

doi:10.1587/transcom.e95.b.120

Cited by 51 publications

(21 citation statements)

References 19 publications

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“…In [6][7][8][9], the main problems that arise in the modelling of complex organisational hierarchical systems are shown; these are: ▶ identification of systems and specification of model components and selecting a method for determining a parameter model, ▶ classification of organisational systems, ▶ the choice of the subsystem and its communication operations, ▶ the study of structures within the framework of one system under study. In [10,11], the basis of the model is the structure of the goals and objectives of the complex organisational hierarchical system.…”

Section: Analysis Of Existing Approachesmentioning

confidence: 99%

The method of centralised distribution of electronic educational resources in academic e-learning

Smatkov¹,

Kuchuk²,

Sieja³

2019

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In this article, a method of centralised distribution of university e-learning electronic educational resources is proposed. E-learning is seen as a complex organisational hierarchy. The method applied in this article is based on n structured analysis of the problems and objectives of the system. The method considers electronic educational resources for e-learning. The advantages of the proposed method include the timely completion of multi-session e-learning and the availability of a reserve of electronic educational resources.Streszczenie W niniejszym artykule zaproponowano metodę scentralizowanej dystrybucji elektronicznych zasobów edukacyjnych akademickiego e-learningu. E-learning jest postrzegany jako złożona hierarchia organizacyjna. Metoda zastosowana w tym artykule opiera się na analizie struktury problemów i celów systemu. Metoda uwzględnia elektroniczne zasoby edukacyjne dla e-learningu. Zaletami proponowanej metody są między innymi terminowe ukończenie wielosesyjnego e-learningu i dostępność względnej rezerwy elektronicznych zasobów edukacyjnych.Słowa kluczowe: e-learning, elektroniczne zasoby edukacyjne, struktura hierarchiczna

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Section: Analysis Of Existing Approachesmentioning

confidence: 99%

The method of centralised distribution of electronic educational resources in academic e-learning

Smatkov¹,

Kuchuk²,

Sieja³

2019

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“…The iteration expressions of (1) and (2) are derived through approximation in Appendix A, and the effectiveness of the two-stage iteration method has been validated through extensive simulation. In the simulation, we found that the effectiveness of the two-stage iteration method is mainly determined by the ratio of / and the method has a good performance when / < 0.1 holds.…”

Section: Idle Duration Expectation With One Traffic Streammentioning

confidence: 99%

“…These works on load scheduling can be divided into two classes: hard load scheduling [2][3][4][5] and soft load scheduling [6][7][8][9]. The hard load scheduling schedules the load in units of UEs or traffic streams while the soft scheduling schedules the load in units of substreams or packets by taking multipaths technic [1] into consideration.…”

Section: Introductionmentioning

confidence: 99%

Network Utilization Improvement via a Predictive Load Scheduling Scheme in Heterogeneous Wireless Networks

Fang

Zhou

2015

International Journal of Distributed Sensor Networks

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In heterogeneous wireless networks (HWNs), the large-coverage cellular networks are usually overlaid with denser small-coverage microcells, wireless local area networks (WLANs), femtocells, and even relays. To prevent unbalanced load distribution in these HWNs from decreasing network utilization and degrading the quality of service (QoS), load scheduling between the overlaid networks is essential and should be reasonably designed. In fact, unbalanced load distribution can be directly reflected by the idle durations of networks and channels. In this paper, a predictive load scheduling scheme is proposed from the point of decreasing the capacity-weighted idle durations of networks and channels. For the proposed scheme, a fairly general HWNs scenario is considered, the scheduling problem is formulated, an iteration-based predictive method is given to obtain the idle duration, and a gradient descent method is derived for the optimal scheduled load. In the simulation, the effectiveness of the idle duration prediction method is validated, and the simulation results show that the proposed load scheduling scheme can greatly improve the network utilization and QoS.

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“…Hence, in systems with a single hysteresis SHS (Single-Hysteresis System) [20], selected call classes are introduced two thresholds each. When the load of the system exceeds the first threshold, then the number of allocation units allocated by the CAC function for service of new calls of a given class is reduced to a certain demanded value.…”

Section: Threshold Compression With Hysteresismentioning

confidence: 99%

Modelling and optimization of traffic loads of the radio access network

Stasiak

2012

2012 8th International Symposium on Communication Systems, Networks &Amp; Digital Signal Processing (CSNDSP)

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Analytical Model of the Single Threshold Mechanism with Hysteresis for Multi-Service Networks

Cited by 51 publications

References 19 publications

The method of centralised distribution of electronic educational resources in academic e-learning

The method of centralised distribution of electronic educational resources in academic e-learning

Network Utilization Improvement via a Predictive Load Scheduling Scheme in Heterogeneous Wireless Networks

Modelling and optimization of traffic loads of the radio access network

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