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Wyświetlanie 1-5 z 5
Tytuł:
Zastosowanie pomiarów ruchu i sygnalizacji do różnicowania usług transportowych w heterogenicznych sieciach IP integrujących sieci ad-hoc z sieciami z infrastrukturą
Application of traffic measurements and signaling for service differentiation in ad-hoc and infrastructure integrated networks
Autorzy:
Natkaniec, M.
Gozdecki, J.
Pach, A. R.
Powiązania:
https://bibliotekanauki.pl/articles/154251.pdf
Data publikacji:
2007
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
ad hoc
QoS
SWAN
RSVP
ad-hoc
Opis:
W opracowaniu przedstawiono architekturę QoS sieci, umożliwiającej zapewnienie żądanej jakości świadczenia usług transportowych w mieszanych sieciach ad-hoc - infrastruktura. Różnicowanie usług dla czterech klas ruchu osiągnięto dzięki rozszerzonemu protokołowi SWAN oraz różnicowaniu usług w warstwie 3. Opisano pomiary niezbędne do efektywnego różnicowania usług w sieciach WLAN. Przedstawiono również przykładowe wyniki pomiarów zrealizowanych za pomocą modułu pomiarowego warstwy MAC, potwierdzające poprawność różnicowania usług w takich sieciach. Opisano także metody zapewnienia QoS w sieci przewodowej pomiędzy komunikującymi się terminalami.
The ad-hoc and infrastructure QoS network architecture that allows for required quality transport services provisioning is presented in this study. The services differentiation for four traffic classes is achieved through the extended SWAN protocol and layer 3 differentiation. The measurements indispensable for effective services differentiation in WLAN networks are described. The measurement examples from MAC layer measurement module that confirm the services differentiation correctness are presented. The methods for supporting QoS in fixed networks between terminals are also described.
Źródło:
Pomiary Automatyka Kontrola; 2007, R. 53, nr 3, 3; 46-51
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The relationship between reading strategy use and reading comprehension as mediated by reading rate: the case of eye movement training by rapid serial visual presentation (RSVP)
Autorzy:
Rahimi, Mehrak
Babaei, Seyyed Abolfazl
Powiązania:
https://bibliotekanauki.pl/articles/2097444.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej w Lublinie. IATEFL Poland Computer Special Interest Group
Tematy:
RSVP
eye movement
reading
rate
comprehension
cognitive strategy
MALL
Opis:
The purpose of the current study was to examine the relationship between reading strategy use and reading comprehension as mediated by reading rate amongst advanced EFL students who received eye movement training by Rapid Visual Presentation (RSVP) technology. Seventy-two EFL learners participated in the study and received instruction for enhancing their reading speed via Reading Trainer Application for twelve consecutive weeks. Their entry-level of reading strategies awareness was assessed by the Metacognitive Awareness of Reading Strategies Inventory prior to and after the study. Their reading comprehension was assessed by International English System Test before and after the study. Their reading rate was also recorded prior to and after the study. Modelling the relationship between strategy use and reading comprehension as mediated by reading rate was tested prior to the study and the findings showed that the model was not statistically significant. The model was reassessed after the experiment and the results lent credence to the fact that eye training via RSVP for speed reading led to a mediating role for reading rate in the relationship between strategy use and reading comprehension. The results support the fact that reading rate is a contributory factor in understanding reading passages and integrating speed reading training using the-state-of-the-art technologies into reading instruction should be considered in EFL reading courses.
Źródło:
Teaching English with Technology; 2021, 21, 1; 94-111
1642-1027
Pojawia się w:
Teaching English with Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measurements of ASON/GMPLS connection control layer performance according to ETSI methodology
Autorzy:
Kaczmarek, S.
Młynarczuk, M.
Narloch, M.
Sac, M.
Powiązania:
https://bibliotekanauki.pl/articles/220651.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
ASON
GMPLS
control performance measurements
ETSI methodology
RSVP
NGN
Opis:
Measurements of performance have always been crucial for the evaluation of telecommunication systems, especially for implementation of network control elements responsible for connection handling which regards to bandwidth reservation, modification and release. That problem also arises in the Automatically Switched Optical Network/Generalized Multiprotocol Label Switching (ASON/GMLPS) architecture, which is considered as one of the components of Next Generation Network (NGN). The European Telecommunications Standards Institute (ETSI) proposed a universal methodology of telecommunication control elements performance measurements, which can be also adopted to investigation of an ASON/GMPLS connection control layer. In this paper the application of the ETSI measurements methodology with regard to ASON/GMPLS performance is described. The implementation of a laboratory testbed as well as executed performance measurements according to the ETSI methodology and their results are presented.
Źródło:
Metrology and Measurement Systems; 2012, 19, 2; 355-364
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Realization of NGN Architecture for ASON/GMPLS Network
Autorzy:
Karczmarek, S.
Młynarczuk, M.
Narloch, M.
Sac, M.
Powiązania:
https://bibliotekanauki.pl/articles/307874.pdf
Data publikacji:
2011
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
ASON
Connection Control Server
Diameter
GMPLS
IP QoS System
NGN architecture
RSVP
Opis:
For the last decades huge efforts of telecommunication, Internet and media organizations have been focusing on creating standards and implementing one common network delivering multimedia services - Next Generation Network. One of the technologies which are very likely to be used in NGN transport layer is ASON/GMPLS optical network. The implementation of ASON/GMPLS technology using open source software and its results are the subject of this paper. The ASON/GMPLS architecture and its relation to the proposed ITU-T NGN architecture are described. The concept, functional structure and communication among architecture elements as well as the implementation of laboratory testbed are presented. The results of functional tests confirming proper software and testbed operation are stated.
Źródło:
Journal of Telecommunications and Information Technology; 2011, 3; 47-56
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preferential access to emotion under attentional blink: evidence for threshold phenomenon
Autorzy:
Szczepanowski, Remigiusz
Traczyk, Jakub
Fan, Zhao
Harvey, Lewis O.
Powiązania:
https://bibliotekanauki.pl/articles/430381.pdf
Data publikacji:
2015-03-01
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
awareness
threshold model
attentional blink
emotional representation
stream of rapidly changing distractors (RSVP)
Opis:
The present study provides evidence that the activation strength produced by emotional stimuli must pass a threshold level in order to be consciously perceived, contrary to the assumption of continuous quality of representation. An analysis of receiver operating characteristics (ROC) for attentional blink performance was used to distinguish between two (continuous vs. threshold) models of emotion perception by inspecting two different ROC’s shapes. Across all conditions, the results showed that performance in the attentional blink task was better described by the two-limbs ROC predicted by the Krantz threshold model than by the curvilinear ROC implied by the signal-detection theory.
Źródło:
Polish Psychological Bulletin; 2015, 46, 1; 127-132
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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