Search results for: ims

• Quality Parameters in IMS/NGN Networks

  Publication

  • S. Kaczmarek
  • M. Sac

  - Year 2019

  The Next Generation Network (NGN) architecture, including elements of the IP Multimedia Subsystem (IMS) concept, is a proposition of a telecommunication network dedicated to the needs of current and future information society. The main goal of NGN is to provide Quality of Service (QoS), for which proper network design is necessary with respect to among others standardized call processing performance parameters, including expected...

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• TRAFFIC MODEL OF A MULTIDOMAIN IMS/NGN

  Publication

  • S. Kaczmarek
  • M. Sac

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2014

  In this paper we continue our research and present an analytical traffic model of a multidomain Next Generation Network (NGN), which is standardized for delivering multimedia services based on the IP Multimedia Subsystem (IMS). The model takes into account several service scenarios (including registration, intra- and inter-operator calls) and a large set of network parameters. Using the model mean Call Set-up Delay and mean Call...

• Design of a Multidomain IMS/NGN Service Stratum

  Publication

  • S. Kaczmarek
  • M. Sac

  - Year 2018

  The paper continues our research concerning the Next Generation Network (NGN), which is standardized for delivering multimedia services with strict quality and includes elements of the IP Multimedia Subsystem (IMS). A design algorithm for a multidomain IMS/NGN service stratum is proposed, which calculates the necessary CSCF servers CPU message processing times and link bandwidths with respect to the given maximum values of mean...

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• Traffic Modeling in IMS-based NGN Networks

  Publication

  • S. Kaczmarek
  • M. Sac

  - Zeszyty Naukowe Wydziału ETI Politechniki Gdańskiej. Technologie Informacyjne - Year 2011

  In the modern world the need for accurate and quickly delivered information is becoming more and more essential. In order to fulfill these requirements, next generation telecommunication networks should be fast introduced and correctly dimensioned. For this reason proper traffic models must be identified, which is the subject of this paper. In the paper standardization of IMS (IP Multimedia Subsystem) concept and IMS-based NGN...

• Warstwa serwerów usług dla architektury IMS

  Publication

  • L. Dziedzic
  • M. Narloch

  - Zeszyty Naukowe Wydziału ETI Politechniki Gdańskiej. Technologie Informacyjne - Year 2011

  Artykuł przedstawia warstwę serwerów usług oraz jej rolę w technologii IP Multimedia Subsystem. Szczególnie istotnym aspektem dla tej pracy jest spojrzenie na dwie cechy architektury IMS, dzięki którym jest ona tak interesująca z punktu widzenia usługowego. Pierwszą z nich jest fakt rozdzielenia warstwy transportowej od warstwy usługowej. Ten cel przyświecał twórcom standardu od samego początku i można powiedzieć, że jest on trzonem...

• Informationen zur modernen Stadtgeschichte (IMS)

  Journals

  ISSN: 0340-1774

• Simulation model of IMS/NGN call processing performance

  Publication

  • S. Kaczmarek
  • M. Kaszuba
  • M. Sac

  - Zeszyty Naukowe Wydziału ETI Politechniki Gdańskiej. Technologie Informacyjne - Year 2012

  In current telecommunications it is assumed that demands of the information society for quickly delivered services will be satisfied by the Next Generation Network (NGN) architecture, which includes IP Multimedia Subsystem (IMS) elements. To guarantee Quality of Service (QoS), proper design and dimensioning of NGN is absolutely necessary, for which appropriate models have to be proposed. As the NGN architecture is very complicated,...

• Performance Models of a Multidomain IMS/NGN Service Stratum

  Publication

  • S. Kaczmarek
  • M. Sac

  - Year 2021

  This paper quantifies call processing performance (CPP) of a multidomain IMS/NGN architecture, which was proposed to deliver current and future telecommunication services with strict quality requirements, independently of the transport network technologies. A realistic simulation model is used as a reference for evaluation of the analytical results, in which vari-ous types of queuing systems are applied to model the opera-tion...

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• Call processing performance in multidomain IMS/NGN architecture

  Publication

  • S. Kaczmarek
  • M. Sac
  • M. Wołonkiewicz

  - Year 2013

  The Next Generation Network (NGN) architecture, which bases on the IP Multimedia Subsystem (IMS) concept, is a proposition of a telecommunication network dedicated to the needs of the modern information society. The main goal of NGN is to provide Quality of Service (QoS), for which proper network design and dimensioning are necessary. This also requires appropriate traffic models, which should be efficient and not excessively complicated...

• Mechanizmy zwiększenia dostępności i podtrzymania jakościtelekonferencji IMS

  Publication

  • M. Hoeft
  • K. Nowicki
  • T. Uhl

  - Studia Informatica Pomerania - Year 2012

  W artykule dokonano przeglądu literatury związanej z usługą telekonferencji. Wskazano na brak prac dotyczących kwestii dostępności/niezawodności systemów telekonferencji. Przedstawiono architekturę systemu telekonferencji IMS/IPv6 oraz zaproponowano mechanizmy poprawiające dostępność systemu: monitorowanie, równoważenie obciążenia, odtworzenie konferencji oraz podtrzymania jakości w przypadku wykrycia awarii.

• Implementation of IMS/NGN Transport Stratum Based on the SDN Concept

  Publication

  • S. Kaczmarek
  • M. Sac
  • K. Bachorski

  - SENSORS - Year 2023

  The paper presents the development and verification of software and a testbed aiming to demonstrate the ability of two telecommunication network concepts—Next Generation Network (NGN) and Software-Defined Networking (SDN)—to cooperate. The proposed architecture includes components of the IP Multimedia Subsystem (IMS) in its service stratum and of the SDN (controller and programmable switches) in its transport stratum, providing...

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• Call Processing Performance in a Multidomain IMS/NGN with Asymmetric Traffic

  Publication

  • S. Kaczmarek
  • M. Sac

  - Year 2014

  In this paper we continue our research using the previously proposed analytical traffic model of a multidomain Next Generation Network (NGN), which is standardized for delivering multimedia services based on the IP Multimedia Subsystem (IMS). The aim of the model is to assess mean Call Set-up Delay (CSD) and mean Call Disengagement Delay (CDD), which are standardized call processing performance parameters. The output variables...

• Simulation model for assessment of IMS-based NGN call processing performance

  Publication

  • S. Kaczmarek
  • M. Kaszuba
  • M. Sac

  - Year 2012

  In current telecommunications it is assumed that demands of information society for quickly delivered services will be satisfied by Next Generation Network (NGN) architecture, which includes IP Multimedia Subsystem (IMS) elements. To guarantee Quality of Service (QoS), proper design and dimensioning of NGN is absolutely necessary, for which appropriate models have to be proposed. As NGN architecture is very complicated, the most...

• Simulation Model of IMS/NGN with Transport Stratum Based on MPLS Technology

  Publication

  • S. Kaczmarek
  • Ł. Łuczaj
  • M. Sac

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2016

  In the paper we continue our research on traffic modelling in the Next Generation Network (NGN) architecture, which includes the IP Multimedia Subsystem (IMS) elements. A simulation model of a single NGN domain with transport stratum based on the Multiprotocol Label Switching (MPLS) technology is proposed, which allows evaluation of mean response time of this stratum. The simulation model is applied to verify the results obtained...

• Zastosowanie koncepcji SDN w warstwie transportowej sieci IMS/NGN

  Publication

  • K. Bachorski
  • S. Kaczmarek
  • M. Sac

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2022

  Koncepcja sieci Next Generation Network, wykorzystująca w warstwie usług architekturę IP Multimedia Subsystem, zakłada centralizację funkcji sterowania zasobami sieciowymi w warstwie transportowej. Analogiczne założenie jest podstawą koncepcji Software Defined Networks. Na podstawie tej analogii, zaproponowano integrację obu koncepcji, przedstawiono architekturę zintegrowanej sieci, scenariusze sterowania zasobami oraz przygotowano...

• Zagadnienia inżynierii ruchu w sieciach NGN bazujących na IMS

  Publication

  • S. Kaczmarek
  • M. Sac

  - Year 2012

  Spełnienie wymagań dotyczących szybkości i dokładności dostarczania informacji powoduje konieczność wprowadzenia i poprawnego zaprojektowania sieci telekomunikacyjnych następnej generacji. W tym celu należy wskazać i zastosować odpowiednie modele ruchowe i metody inżynierii ruchu, czemu poświęcono niniejszą pracę. W pracy zaprezentowano standaryzację i architektury koncepcji IMS (IP Multimedia Subsystem) oraz bazujących na niej...

• Simulation Model for Application of the SDN Concept in IMS/NGN Network Transport Stratum

  Publication

  • S. Kaczmarek
  • M. Sac
  • J. Adrych

  - Year 2024

  The paper presents a simulation model allowing examination of cooperation between two currently used telecommunication networks concepts: IP Multimedia Subsystem/Next Generation Network (IMS/NGN) and Software-Defined Networking (SDN). Application of the SDN architecture elements in IMS/NGN networks will enable unified control and management of transport resources for various transport technologies and equipment manufacturers. However,...

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• Traffic Model of IMS/NGN Architecture with Transport Stratum Based on MPLS Technology

  Publication

  • S. Kaczmarek
  • M. Kosek
  • M. Sac

  - International Journal of Electronics and Telecommunications - Year 2013

  Growing expectations for a fast access to information create strong demands for a universal telecommunication network architecture, which provides various services with strictly determined quality. Currently it is assumed that these requirements will be satisfied by Next Generation Network (NGN), which consists of two stratums and includes IP Multimedia Subsystem (IMS) elements. To guarantee Quality of Service (QoS) all NGN stratums...

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• Verification of the Analytical Traffic Model of a Multidomain IMS/NGN Using the Simulation Model

  Publication

  • S. Kaczmarek
  • M. Sac

  - Advances in Intelligent Systems and Computing - Year 2016

  In this paper we verify the previously proposed analytical traffic model of a multidomain Next Generation Network (NGN), which is standardized for delivering multimedia services based on the IP Multimedia Subsystem (IMS). For this reason a proper simulation model used, in which not theoretical queuing system models but the operation of real network elements and standardized call scenarios are accurately implemented. Consequently,...

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• Performance Evaluation of a Multidomain IMS/NGN Network Including Service and Transport Stratum

  Publication

  • S. Kaczmarek
  • M. Sac

  - Applied Sciences-Basel - Year 2022

  The Next Generation Network (NGN) architecture was proposed for delivering various multimedia services with guaranteed quality. For this reason, the elements of the IP Multimedia Subsystem (IMS) concept (an important part of 4G/5G/6G mobile networks) are used in its service stratum. This paper presents comprehensive research on how the parameters of an IMS/NGN network and traffic sources influence mean Call Set-up Delay (E(CSD))...

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• Analysis of IMS/NGN call processing performance using phase-type distributions

  Publication

  • S. Kaczmarek
  • M. Sac

  - Year 2013

  This work is a continuation of our research on the traffic model dedicated for design and analysis of the Next Generation Network (NGN), which is standardized for distribution of current and future multimedia services based on the IP Multimedia Subsystem (IMS). Our analytical and simulation models allow evaluation of mean Call Set-up Delay E(CSD) as well as mean Call Disengagement Delay E(CDD) in a single domain of IMS/NGN. Ensuring...

• Message Inter-Arrival and Inter-Departure Time Distributions in IMS/NGN Architecture

  Publication

  • S. Kaczmarek
  • M. Sac

  - Year 2012

  Currently is it assumed that requirements of the information society for delivering multimedia services will be satisfied by the Next Generation Network (NGN) architecture, which includes elements of the IP Multimedia Subsystem (IMS) solution. In order to guarantee Quality of Service (QoS), NGN has to be appropriately designed and dimensioned. Therefore, proper traffic models should be proposed and applied. This requires determination...

• Traffic model for evaluation of call processing performance parameters in IMS-based NGN

  Publication

  • S. Kaczmarek
  • M. Sac

  - Year 2012

  In the modern world requirements for accurate and fast information distribution are becoming more and more important, which creates a strong necessity for appropriate telecommunication network architecture. Proposition of such an architecture is the Next Generation Network (NGN) concept, which in order to guarantee Quality of Service (QoS), should be correctly designed and dimensioned. For this reason proper traffic models must...

• Wydajność przetwarzania żądań usług uwarunkowanych czasowo realizowanych w sieci IMS/NGN

  Publication

  • M. Sac

  - Year 2022

  W rozprawie dokonano przeglądu stanu implementacji koncepcji IMS/NGN, a także modeli systemów obsługi z oczekiwaniem pod kątem zastosowania dla serwerów i łączy w modelu analitycznym wielodomenowej sieci IMS/NGN. Przedstawiono założenia dla tego modelu oraz metodologię obliczeń i analizy wyników: średnich czasów E(CSD) zestawiania i E(CDD) rozłączenia połączenia dla scenariuszy połączeń zakończonych sukcesem. Opisano założenia,...

• On extending open source IMS platform for integrated IPTV and VoIP services over IPv6

  Publication

  • S. Janikowski
  • J. M. Batalla
  • M. Hoeft
  • K. Nowicki

  - Year 2012

  Even when IMS is the most popular platform for multimedia services, the open versions of IMS ecosystem are lacking in specified functionalities for IPTVv6 and VoIPv6 services. In this paper, we extend current client and server open source software in order to provide reliability and security to these multimedia services. As a part of our work the IMS architecture for conferencing system with proposed mechanisms to improve system...

• Analytical Traffic Model for a Multidomain IMS/NGN Network Including Service and Transport Stratum

  Publication

  • S. Kaczmarek
  • M. Sac
  • M. Cieśliński

  - Year 2022

  This paper addresses the problem of modelling call processing performance (CPP) in a multidomain Next Generation Network (NGN) architecture including the elements of the IP Multimedia Subsystem (IMS) in service stratum and based on the Multiprotocol Label Switching (MPLS) technology in transport stratum. An analytical traffic model for such an architecture is proposed by integrating the formerly implemented submodels of service...

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• Analysis of IMS/NGN call processing performance using G/G/1 queuing systems approximations

  Publication

  • S. Kaczmarek
  • M. Sac

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2013

  The paper concerns the Next Generation Network (NGN), which is standardized for distribution of multimedia services based on the IP Multimedia Subsystem (IMS). To guarantee quality, accurate traffic models of IMS/NGN should be proposed. In the paper we compare results obtained with our analytical and simulation model of a single IMS/NGN domain, where various queuing systems are used in the analytical model (M/G/1 and approximations...

• Analysis of IMS/NGN Call Processing Performance Using Phase-Type Distributions Based on Experimental Histograms

  Publication

  • S. Kaczmarek
  • M. Sac

  - Advances in Intelligent Systems and Computing - Year 2018

  The paper describes our further research done with the proposed analytical and simulation traffic models of the Next Generation Network (NGN), which is standardized for delivering multimedia services with strict quality and includes elements of the IP Multimedia Subsystem (IMS). The aim of our models of a single IMS/NGN domain is to evaluate two standardized call processing performance parameters, which appropriate values are very...

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• Tissue fixed with formalin and processed without paraffin embedding is suitable for imaging of both peptides and lipids by MALDI-IMS

  Publication

  • M. Pietrowska
  • M. Gawin
  • J. Polańska
  • P. Widłak
  • J. Polanska

  - PROTEOMICS - Year 2016

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• Approximation of Message Inter-Arrival and Inter-Departure Time Distributions in IMS/NGN Architecture Using Phase-Type Distributions

  Publication

  • S. Kaczmarek
  • M. Sac

  - Journal of Telecommunications and Information Technology - Year 2013

  Currently it is assumed that requirements of the information society for delivering multimedia services will be satisfied by the Next Generation Network (NGN) architecture, which includes elements of the IP Multimedia Subsystem (IMS) solution. In order to guarantee Quality of Service (QoS), NGN has to be appropriately designed and dimensioned. Therefore, proper traffic models should be proposed and applied. This requires determination...

  Full text available to download

• A Novel Divisive iK-Means Algorithm with Region-Driven Feature Selection as a Tool for Automated Detection of Tumour Heterogeneity in MALDI IMS Experiments

  Publication

  • G. Mrukwa
  • G. Drazek
  • M. Pietrowska
  • P. Widlak
  • J. Polanska

  - Year 2016

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• Biomechanika,Wykład,IM,IMSiB,letni 2022-2023(PG_00048715)

  e-Learning Courses

  • W. Wojnicz

• Materiały konstrukcyjne specjalne - L, IMSiB, sem.6. (PG_00039737)

  e-Learning Courses

  • G. Gajowiec
  • K. Krzysztofowicz
  • T. Seramak
  • G. Strugała
  • D. Czekaj
  • Ł. Pawłowski
  • A. Lisińska-Czekaj

• Biomechanika,Wykład,IM,IMSiB,letni 2023-2024(PG_00048715)

  e-Learning Courses

  • W. Wojnicz

  Celem przedmiotu jest uzyskanie wiedzy z biomechaniki ciała człowieka.The aim of this subject is to acquire knowledge about the human body biomechanics.

• Biomechanika, Ć, IMSiB, sem. 06, letni 21/22 (PG_00048715)

  e-Learning Courses

  • K. Pytka

  1.Wyznaczenie ruchliwości łańcucha biokinematycznego. (1h) 2. Wyznaczenie położenia środka ciężkości ciała. (3h) 3. Wyznaczenie momentów bezwładności wybranych segmentów ciała. (1.5h) 4. Biomechaniczne modele dynamiczne. (3.5h) 5. Biomechanika zespołu mięśni: zadanie optymalizacji statycznej. (2h)

• Podstawy inżynierii powierzchni, W, IM, IMSiB, Ist., sem.6

  e-Learning Courses

  • B. Majkowska-Marzec

  Podstawowe pojęcia inżynierii powierzchni, technologie wytwarzania warstw wierzchnich i powłok ochronnych.

• Biomechanika,Wykład,Seminarium,IM,IMSiB,letni 2021-2022(PG_00048715)

  e-Learning Courses

  • W. Wojnicz

  Celem kursu jest zapoznanie studentów z podstawami biomechaniki

• Biomechanika,Ćwiczenia, IMSiB, sem.VI, I st. ,sem. letni 2020/2021(PG_00039735)

  e-Learning Courses

  • K. Pytka

  Spis treści prezentowanych na kursie:   1.Wyznaczenie ruchliwości łańcucha biokinematycznego. 2. Wyznaczenie położenia środka ciężkości ciała człowieka. 3.Biomechanika zespołu mięśni: zadanie optymalizacji statycznej. 4. Wyznaczenie momentów bezwładności wybranych segmentów ciała. 5. Biomechaniczne modele dynamiczne.

• Biomechanika, Ćwiczenia/Seminarium, IM,IMSiB, sem.06, letni 22/23 (PG_00048715)

  e-Learning Courses

  • K. Pytka

  Spis treści prezentowanych na kursie: 1.Wyznaczenie ruchliwości łańcucha biokinematycznego. (1h) 2. Wyznaczenie położenia środka ciężkości ciała człowieka. (3h) 3. Wyznaczenie momentów bezwładności wybranych segmentów ciała. (1.5h) 4. Biomechaniczne modele dynamiczne. (3.5h) 5. Biomechanika zespołu mięśni: zadanie optymalizacji statycznej. (2h) 6. Kolokwium (2h) 7.Kolokwium poprawkowe (2h)

• Materiały konstrukcyjne specjalne, L, IMSiB, sem.06, letni 21/22 (PG_00039737)

  e-Learning Courses

  • G. Gajowiec
  • K. Krzysztofowicz
  • T. Seramak
  • G. Strugała
  • D. Czekaj
  • Ł. Pawłowski
  • A. Lisińska-Czekaj

• Sylwester Kaczmarek dr hab. inż.

  People

  Department of Teleinformation Networks

  Sylwester Kaczmarek received his M.Sc in electronics engineering, Ph.D. and D.Sc. in switching and teletraffic science from the Gdansk University of Technology, Gdansk, Poland, in 1972, 1981 and 1994, respectively. His research interests include: IP QoS and GMPLS and SDN networks, switching, QoS routing, teletraffic, multimedia services and quality of services. Currently, his research is focused on developing and applicability...

• Maciej Sac dr inż.

  People

  Department of Teleinformation Networks

  Maciej Sac received his M.Sc. degree in Telecommunications from Gdańsk University of Technology, Gdańsk, Poland in 2009. In 2022 he received his Ph.D degree in Information and Communication Technology. His research interests include IP QoS, VoIP, IMS/NGN, SDN networks as well as multimedia services and teletraffic engineering. Currently, he is employed as an assistant professor at Gdańsk University of Technology, Faculty of Electronics,...

• Usługi IP Multimedia Subsystem

  Publication

  • W. Molisz
  • P. Gałka

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2011

  W artykule przedstawiono usługi IP Multimedia Subsystem. Omówiono usługi "tradycyjne": obecności, usługę PoC i komunikatora oraz nowe, jak: konferencja HD, telewizja IP na platformie IMS, scentralizowane usługi IMS oraz szeroko dyskutowana zunifikowana komunikacja.

• Wielousługowe architektury IP 2021

  e-Learning Courses

  • M. Hoeft
  • J. Rak
  • K. Gierłowski
  • K. Nowicki

  Celem kursu jest zrozumienie przyczyn ewolucji sieci do sieci następnej generacji, poznanie architektury IP Multimedia Subsystem (IMS), usług i aplikacji IMS, zrozumienie koncepcji tworzenia nowych usług i aplikacji w środowisku IMS

• Wielousługowe architektury IP

  e-Learning Courses

  • M. Hoeft
  • J. Woźniak
  • J. Rak
  • K. Gierłowski
  • K. Nowicki

  Celem kursu jest zrozumienie przyczyn ewolucji sieci do sieci następnej generacji, poznanie architektury IP Multimedia Subsystem (IMS), usług i aplikacji IMS, zrozumienie koncepcji tworzenia nowych usług i aplikacji w środowisku IMS

• Advanced Scalar-valued Intensity Measures for Residual Drift Prediction of SMRFs with Fluid Viscous Dampers

  Publication

  • F. Kazemi
  • B. Mohebi
  • N. Asgarkhani
  • A. Yousefi

  - International Journal of Structural Integrity - Year 2023

  Maximum Residual Inter-story Drift Ratio (RIDRmax) plays an important role to specify the state of a structure after severe earthquake and the possibility of repairing the structure. Therefore, it is necessary to predict the RIDRmax of Steel Moment-Resisting Frames (SMRFs) with high reliability by employing powerful Intensity Measures (IMs). This study investigates the efficiency and sufficiency of scalar-valued IMs for predicting...

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• Performance of Vector-valued Intensity Measures for Estimating Residual Drift of Steel MRFs with Viscous Dampers

  Publication

  • B. Mohebi
  • F. Kazemi
  • N. Asgarkhani
  • P. Ghasemnezhadsani
  • A. Mohebi

  - International Journal of Structural and Civil Engineering Research - Year 2022

  Viscous Dampers (VDs) are widely used as passive energy dissipation system for improving seismic performance levels especially in retrofitting of buildings. Residual Inter-story Drift Ratio (R-IDR) is another important factor that specifies the condition of building after earthquake. The values of R-IDR illustrates the possibility of retrofitting and repairing of a building. Therefore, this study aims to explore the vector-valued...

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• Bezpieczeństwo w IP Multimedia Subsystem

  Publication

  • W. Molisz
  • P. Gałka

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2012

  Abstrakt Artykuł jest trzecim w cyklu prac poświęconych IP Multimedia Subsystem (IMS) - po przedstawieniu architektury i usług IMS, odpowiednio w zeszytach 12/2009 oraz 2-3/2011 Przeglądu Telekomunikacyjnego i Wiadomości Telekomunikacyjnych. W obecnym artykule przedstawiono sposoby zapewnienia bezpieczeństwa przy realizacji tych usług.Artykuł został podzielony został na trzy części w których omówiono ogólne wyzwania bezpieczeństwa...

• Mobile Gas Chromatographs Coupled with Mass and Ion Mobility Spectrometers and their Applications

  Publication

  • Z. Witkiewicz
  • W. Wardencki

  - Ecological Chemistry and Engineering S - Chemia i Inżynieria Ekologiczna S - Year 2021

  The articles describes the developments un combining of mass and ion mobility spectrometers (MS, IMS0 with miniature gas chromatographs (GC). The examples of applications of miniaturised GC-MS and GC-IMS devices are presented.

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• Extensions of ETSI performance measurements methodology for statistical results analysis =Rozszerzenia metodologii pomiarów wydajności zaproponowanej przez ETSI przy statystycznej analizy wyników

  Publication

  • S. Kaczmarek
  • M. Młynarczuk
  • M. Narloch
  • M. Sac

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2012

  Next Generation Network (NGN) architecture was proposed by International Telecommunication Union Telecommunication Standardization Sector (ITU-T) to deliver telecommunication services satisfying the needs of modern society for an access to information. The core of NGN service stratum are IP Multimedia Subsystem (IMS) elements acting as service controls units. To assess performance of IMS components, European Telecommunications...