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discrete event simulation telecommunications
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Discrete-event simulation modeling tool for routing process in GPSR ad hoc network routing protocol
2007 IEEE International Conference on Telecommunications and Malaysia International Conference on Communications
Year: 2007 | Conference Paper |
Modeling and simulation are traditional methods used to evaluate wireless network design, this paper provides a discrete event simulation modeling tool built using Borland c++ builder 6 to modeling a GPSR protocol routing process in ad hoc wireless network, this paper describe the main components of discrete event simulation tool used in building any di...Show More
A formal representation of discrete event models in Ptolemy II
Hae Young Lee;Won-Tae Kim;In-Geol Chun;Woochul Kang;Seung-Min Park
2010 The 12th International Conference on Advanced Communication Technology (ICACT)
Year: 2010 | Conference Paper |
Within the embedded software design process, formal methods including formal specifications and formal verifications can be used to check designs, with the goal of ensuring the requirements of embedded software, such as reliability and concurrency. This paper presents a means to formally describe the discrete event models of Ptolemy II that is a modeling and simulation environmen...Show More
A model for real-time simulation of large-scale networks based on network processor
2009 2nd IEEE International Conference on Broadband Network & Multimedia Technology
Year: 2009 | Conference Paper |
Cited by: Papers (1)
Real-time network simulation refers to simulating computer networks in real time so that the virtual network can interact with real implementations of network protocols, network services, and distributed applications. This paper proposes a new model for real-time simulation of large-scale networks based on powerful network processor. The scheme takes advantage of discrete even...Show More
Event sensitive state saving in time warp parallel discrete event simulations
Proceedings Winter Simulation Conference
Year: 1996 | Conference Paper |
In this paper we present event sensitive state saving as a novel idea for sparse state saving in Time Warp synchronized parallel discrete event simulations. This state saving model is aimed at efficient simulation of models where the execution time or granularity for different types or classes of events typically has a large variance. The event sensitive s...
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First Page of the Article
Show MoreTelecom Critical Infrastructure Simulations: Discrete-Event Simulation vs. Dynamic Simulation How Do They Compare?
IEEE GLOBECOM 2007 - IEEE Global Telecommunications Conference
Year: 2007 | Conference Paper |
Cited by: Papers (9)
Critical national infrastructures for power, emergency services, finance, and other basic industries rely heavily on information and telecommunications networks (voice, data, and video) to provide services and conduct business. The telecommunication network is recognized by the federal government as one of the critical national infrastructures that must be maintained and protected against de...Show More
Research on Airport Safeguard Mission Planning Method Based on Discrete Event
2018 5th International Conference on Information Science and Control Engineering (ICISCE)
Year: 2018 | Conference Paper |
Airport safeguard mission planning is a complex discrete event system that requires multiple professionals, crews, and devices to work together. A set of efficient and complete safeguard methods can ensure that fighters take off and fight in the shortest time and optimal condition, which can greatly improve the combat effectiveness. In this paper, by studying the process and characteri...Show More
Modeling Internet Applications with Event Graphs
2009 Sixth International Conference on Fuzzy Systems and Knowledge Discovery
Year: 2009 | Conference Paper |
Event graph is a way of graphically representing discrete-event simulation models, which uses a single type of nodes along with two kinds of edges to describe the logics among discrete events. Although it is simple enough, event graph is extremely powerful, which can apply graph directly to model of event lists. Therefore, it rapidly becomes an ideal...Show More
DEVS today: recent advances in discrete event-based information technology
11th IEEE/ACM International Symposium on Modeling, Analysis and Simulation of Computer Telecommunications Systems, 2003. MASCOTS 2003.
Year: 2003 | Conference Paper |
Cited by: Papers (30)
The DEVS modeling and simulation framework its fundamental concepts are discussed from the standpoint of discrete event information processing with an example drawn from recent experiments on infant cognition is reviewed. We also cover the DEVS formalism's atomic and coupled models and its hierarchical, modular composition approach. Some industrial applications of the methodology...Show More
Discrete event simulation modelling of concurrent access in ATM-based computer networks
MASCOTS '95. Proceedings of the Third International Workshop on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems
Year: 1995 | Conference Paper |
Cited by: Papers (1)
The problem of sharing resources in telecommunications networks has benefited from a rich theoretical development in the area of statistical multiplexing. Integrating data and other very bursty traffic on these networks changes the way of managing the concurrent access to network resources. Discrete event simulation is used in the paper for the quantitative analysis of the ...Show More
Software maintenance process analysis using discrete-event simulation
Proceedings Fifth European Conference on Software Maintenance and Reengineering
Year: 2001 | Conference Paper |
Cited by: Papers (3)
The competitive pressure and high costs of software maintenance force many IT organizations to carefully analyze and redesign their maintenance process. Identifying the changes that can remedy process deficiencies is not an easy task. Moreover, considerable risk is associated with implementing the proposed changes, since inadequate process design may cause a significant financial loss. The authors...Show More
Synthesizing transient traffic of temporal visual signals for discrete event simulation
2011 3rd International Congress on Ultra Modern Telecommunications and Control Systems and Workshops (ICUMT)
Year: 2011 | Conference Paper |
Cited by: Papers (2)
This paper presents the analysis and modeling of transient traffic source of temporal visual signals for discrete event simulation. Transient nature implies the inability of applying established traffic theory that assumes stochastic processes. The focus is on the transient traffic of foreground object due to its motions as well as camera panning and zoom. We show that such trans...Show More
Optimization of a telecommunications billing system
Proceedings of the 2003 Winter Simulation Conference, 2003.
Year: 2003 | Conference Paper |
Cited by: Papers (1)
To remain competitive in a turbulent and rapidly evolving market, telecommunication companies have found it necessary to invest large sums of money on the latest technologies and IT infrastructure. These investments have been a serious drain on the financial resources of these companies who are now seeking ways to pare costs and regain their financial footing. This new reality is increasingly forc...Show More
Ontology and automatic code generation on modeling and simulation
2012 6th International Conference on Sciences of Electronics, Technologies of Information and Telecommunications (SETIT)
Year: 2012 | Conference Paper |
Cited by: Papers (8)
In this paper we present a new approach for using semantic web technologies in modeling and simulation. In recent years ontologies have been used popularly in many fields to represent and structure their concepts. This work is an attempt to create a specific ontology for the process oriented discrete event simulation domain. The ontology instances represent the model instan...Show More
Parallel discrete event simulation in star networks with application to telecommunications
We propose a new conservative, time-window protocol for parallel discrete event simulation where the simulation system and the physical system used can both be modeled as a star network, in which one central node is connected to every other node. The success of our algorithm is also dependent of the lookahead predictability of the system to be simulated. The entire approach...Show More
An approach to rare event simulation uses the technique of splitting. The basic idea is to split sample paths of the stochastic process into multiple copies when they approach closer to the rare set; this increases the overall number of hits to the rare set for a given amount of simulation time. This paper analyzes the bias and efficiency of some simple cases of this method.
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First Page of the Article
Show MoreNonparametric adaptive importance sampling for rare event simulation
2000 Winter Simulation Conference Proceedings (Cat. No.00CH37165)
Year: 2000 | Conference Paper |
Cited by: Papers (3)
Simulating rare events in telecommunication networks such as estimation for cell loss probability in asynchronous transfer mode (ATM) networks requires a major simulation effort due to the slight chance of buffer overflow. Importance sampling (IS) is applied to accelerate the occurrence of rare events. Importance sampling depends on a biasing scheme to make the estimator from IS ...Show More
Using discrete event simulation to reduce operational expenses for a telecom operator
K. Casier;A. Gouwy;S. Verbrugge;D. Colle;M. Pickavet;P. Demeester
Networks 2008 - The 13th International Telecommunications Network Strategy and Planning Symposium
Year: 2008 | Conference Paper |
Capital expenditures for a network operator have often and in high detail been considered in different studies. In contrast there are little or no studies in which a detailed (quantitative) study is made on operational expenditures (OpEx). Existing studies on operational expenditures for network operators propose classification and models for existing operational processes and are aimed at a cost ...Show More
Simulation-based constraint generation with applications to optimization of logistic system design
WSC'99. 1999 Winter Simulation Conference Proceedings. 'Simulation - A Bridge to the Future' (Cat. No.99CH37038)
Year: 1999 | Conference Paper |
We present a general framework for a combined optimization/simulation approach where constraints to be satisfied are identified from results of simulation evaluation of the proposed system alternative, and then these constraints are added to the optimization model for re-optimization. The proposed cutting-plane-like procedure is iterative and terminates when an "optimal" solution of a ...Show More
A perspective of batching methods in a simulation environment of multiple replications in parallel
2000 Winter Simulation Conference Proceedings (Cat. No.00CH37165)
Year: 2000 | Conference Paper |
Cited by: Papers (3)
Discrete event simulation is frequently time-consuming either because modern dynamic systems, such as telecommunication networks, are becoming increasingly complex and/or a great number of observations is required to yield reasonably accurate results. An interesting approach to reduce the time duration of simulation is that of concurrently running multiple replications in p...Show More
Implementation of Cloud Computing Environment for Discrete Event System Simulation using Service Oriented Architecture
Chungman Seo;Youngshin Han;Haeyoung Lee;Jason J. Jung;Chilgee Lee
2010 IEEE/IFIP International Conference on Embedded and Ubiquitous Computing
Year: 2010 | Conference Paper |
Cited by: Papers (3)
This paper presents a cloud computing architecture for discrete event system modeling and simulation. Simulators with models used in the cloud computing are considered as web services which are accessed via web browser. This environment supports the simulation of homogeneous or heterogeneous models without much knowledge of discrete event modeling and simulat...Show More
Springfield: a real-time parallel simulation of mobile telecommunications
Conference Proceedings. IEEE Canadian Conference on Electrical and Computer Engineering (Cat. No.98TH8341)
Year: 1998 | Conference Paper |
This paper describes project Springfield, a real-time distributed simulation of a mobile telecommunications network. Springfield permits real-time viewing and modification of the simulation and its parameters, which is ideal for capacity planning and performance modeling. An object-oriented, distributed simulator was implemented in Java and speedups of up to three times were obta...Show More
On improved modeling and simulation of wireless communication systems using multiagent and multi-threading systems architectures for efficient spectrum reuse
2014 22nd Telecommunications Forum Telfor (TELFOR)
Year: 2014 | Conference Paper |
Cited by: Papers (1)
Efficient design and evaluation of complex wireless communication systems in terms of spectrum reuse can be accomplished using advanced simulation environments. To this goal, network modelling and simulation methodologies are the most critical issues, thus, several Discrete Event Simulation (DES) schemes have been introduced in the literature. In a real wireless netwo...Show More
We describe ATM Simulator (AS), a simulation-based traffic analysis tool for ATM networks and related protocols. Concentrating on basic problems of acceleration of an event driven simulator, we explain our solutions for the realization of specific simulator features and present several useful implementation tips and tricks. We bring solutions for efficient modeling of CBR (constant bit...Show More
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