Relevant bibliographies by topics / NS2 simulator

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'NS2 simulator'

Author: Grafiati
Published: 3 June 2025
Last updated: 19 July 2025

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Journal articles on the topic "NS2 simulator"

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V Raj, Shruthi, and Hemanth S R. "Simulation of ACO Technique Using NS2 Simulator." International Journal of Engineering Trends and Technology 23, no. 8 (2015): 403–6. http://dx.doi.org/10.14445/22315381/ijett-v23p277.

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Wijekoon, Janaka, Erwin Harahap, and Hiroaki Nishi. "Service-oriented Router Simulation Module Implementation in NS2 Simulator." Procedia Computer Science 19 (2013): 478–85. http://dx.doi.org/10.1016/j.procs.2013.06.064.

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MOUSSA, Neila, Farah Nasri, and Rached Tourki. "NOC Architecture Comparison with Network Simulator NS2." International Journal of Engineering Trends and Technology 13, no. 7 (2014): 340–46. http://dx.doi.org/10.14445/22315381/ijett-v13p269.

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Abdo Asaad, Hasan Abdul Raqib, and Belal Al-Fuhaidi. "An Efficient Routing Method for Protection Data Flow in the MPLS Network." Journal of Science and Technology 22, no. 2 (2018): 25–39. http://dx.doi.org/10.20428/jst.v22i2.1286.

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This paper presents an efficient method for rerouting traffic in the Multiprotocol Label Switching (MPLS) network, when a fault occurs in the working link. The method has been designed to handle both single and multiple faults based on the protection switching and rerouting techniques. The proposed method leads to less packets loss, has better Packet Delivery Ratio (PDR), good throughput and eliminates packet disorder. The proposed method has been simulated using the Network Simulator (NS2) version 2.34 and the simulation results have shown that the proposed method significantly improves the network performance in comparison to similar existing methods.
 Keywords: MPLS network, Working link, Protection switching, Rerouting, Network simulator.
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Lakshmi, N. Naga, P. Karthik, P. Shiva Sai, and A. Sai Vishal. "Implementation of DOS Attack Using NS2." International Journal of Emerging Science and Engineering 12, no. 6 (2024): 1–4. http://dx.doi.org/10.35940/ijese.f9859.12060524.

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This paper presents a comprehensive study on the implementation of a Denial of Service (DOS) attack using NS2, a widely-used network simulator. The project involves the installation and configuration of NS2 and NAM on Ubuntu, the design of a realistic network topology, and the generation of TCP and UDP traffic to simulate a DOS attack. By evaluating the impact of the attack on network performance metrics such as throughput and latency, this study aims to enhance understanding of DOS attacks in simulated environments and propose effective mitigation strategies. The findings contribute to the field of network security by providing insights into the behavior of DOS attacks and highlighting the importance of proactive defense mechanisms.
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N., Naga Lakshmi. "Implementation of DOS Attack Using NS2." International Journal of Emerging Science and Engineering (IJESE) 12, no. 6 (2024): 1–4. https://doi.org/10.35940/ijese.F9859.12060524.

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<strong>Abstract:</strong> This paper presents a comprehensive study on the implementation of a Denial of Service (DOS) attack using NS2, a widely-used network simulator. The project involves the installation and configuration of NS2 and NAM on Ubuntu, the design of a realistic network topology, and the generation of TCP and UDP traffic to simulate a DOS attack. By evaluating the impact of the attack on network performance metrics such as throughput and latency, this study aims to enhance understanding of DOS attacks in simulated environments and propose effective mitigation strategies. The findings contribute to the field of network security by providing insights into the behavior of DOS attacks and highlighting the importance of proactive defense mechanisms.
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Ibrahim, Idris Skloul, Peter J. B. King, and Hans-Wolfgang Loidl. "NsGTFA: A GUI Tool to Easily Measure Network Performance through the Ns2 Trace File." Journal of Intelligent Systems 24, no. 4 (2015): 467–77. http://dx.doi.org/10.1515/jisys-2014-0153.

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AbstractNs2 is an open-source communications network simulator primarily used in research and teaching. Ns2 provides substantial support for simulation of TCP, routing, and multicast protocols over wired and wireless networks. Although Ns2 is a widely used powerful simulator, it lacks a way to measure networks that are used to assess reliability and performance metrics (e.g., the number of packets transferred from source to destination, delay in packets, packet loss, etc.) and it does not analyse the trace files it produces. The data obtained from the simulations are not straightforward to analyse. Ns2 is still unable to provide any data analysis statistics or graphics as requested. Moreover, the analysis of the Ns2 trace file using any software scripts requires further steps by a developer to do data processing and then produce graphical outputs. Lack of standardisation of tools means that results from different users may not be strictly comparable. There are alternative tools; however, most of them are not standalone applications, requiring some additional libraries. Also, they lack a user-friendly interface. This article presents the architecture and development considerations for the NsGTFA (Ns2 GUI Trace File Analyser) tool, which intends to simplify the management and enable the statistical analysis of trace files generated during network simulations. NsGTFA runs under Windows and has a friendly graphical user interface. This tool is a very fast standalone application implemented in VC++, taking as input an Ns2 trace file. It can output two-dimensional (2D) and 3D graphs (points, lines, and bar charts) or data sets, whatever the trace file format (Tagged, Old, or New). It is also possible to specify the output of standard network performance metrics. NsGTFA satisfies most user needs. There is no complex installation process, and no external libraries are needed.
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Nemade, Chetana Hemant. "Execution Evaluation of AODV Protocol Using NS2 Simulator for Emergency Automobile." Revista Gestão Inovação e Tecnologias 11, no. 4 (2021): 1792–801. http://dx.doi.org/10.47059/revistageintec.v11i4.2237.

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Han, Wen Zhi. "Network Congestion Control Algorithm Simulation Research Based on NS2." Applied Mechanics and Materials 713-715 (January 2015): 2455–61. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.2455.

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Network congestion control problem is one of the most key problems in network study. This paper studies different versions of TCP source port algorithm such as Tahoe, Reno, NewReno, SACK and Vegas, and makes simulation research on linear network and dumbbell network environment algorithm by using NS2 network simulator, and finally it concludes that: when there is no competition in the network, it is better to choose Vegas algorithm; when there is competition, choose Reno, NewReno, or Sack algorithm is more advisable.
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Balogh, Tomáš, and Martin Medvecký. "Average Bandwidth Allocation Model of WFQ." Modelling and Simulation in Engineering 2012 (2012): 1–7. http://dx.doi.org/10.1155/2012/301012.

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We present a new iterative method for the calculation of average bandwidth assignment to traffic flows using a WFQ scheduler in IP based NGN networks. The bandwidth assignment calculation is based on the link speed, assigned weights, arrival rate, and average packet length or input rate of the traffic flows. We prove the model outcome with examples and simulation results using NS2 simulator.
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Dissertations / Theses on the topic "NS2 simulator"

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Zvolenský, Daniel. "Návrh, realizace a simulace síťových protokolů v NS2." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218281.

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The aim of this work is to become familiar with simulation environment Network Simulator 2, study the problems of sensor networks and their support in the simulator and implement the selected protocol and verify its funcitonality in a practical simulation.
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Souza, Vin?cius Samuel Val?rio de. "WI-BIO: redes de monitoramento de pacientes em ambientes de automa??o hospitalar utilizando o padr?o IEEE 802.11." Universidade Federal do Rio Grande do Norte, 2014. http://repositorio.ufrn.br:8080/jspui/handle/123456789/15244.

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Made available in DSpace on 2014-12-17T14:55:18Z (GMT). No. of bitstreams: 1 ViniciusSVS_TESE.pdf: 2375594 bytes, checksum: e3d85d405a408eb605711ffd55dbe760 (MD5) Previous issue date: 2014-03-17<br>The monitoring of patients performed in hospitals is usually done either in a manual or semiautomated way, where the members of the healthcare team must constantly visit the patients to ascertain the health condition in which they are. The adoption of this procedure, however, compromises the quality of the monitoring conducted since the shortage of physical and human resources in hospitals tends to overwhelm members of the healthcare team, preventing them from moving to patients with adequate frequency. Given this, many existing works in the literature specify alternatives aimed at improving this monitoring through the use of wireless networks. In these works, the network is only intended for data traffic generated by medical sensors and there is no possibility of it being allocated for the transmission of data from applications present in existing user stations in the hospital. However, in the case of hospital automation environments, this aspect is a negative point, considering that the data generated in such applications can be directly related to the patient monitoring conducted. Thus, this thesis defines Wi-Bio as a communication protocol aimed at the establishment of IEEE 802.11 networks for patient monitoring, capable of enabling the harmonious coexistence among the traffic generated by medical sensors and user stations. The formal specification and verification of Wi-Bio were made through the design and analysis of Petri net models. Its validation was performed through simulations with the Network Simulator 2 (NS2) tool. The simulations of NS2 were designed to portray a real patient monitoring environment corresponding to a floor of the nursing wards sector of the University Hospital Onofre Lopes (HUOL), located at Natal, Rio Grande do Norte. Moreover, in order to verify the feasibility of Wi-Bio in terms of wireless networks standards prevailing in the market, the testing scenario was also simulated under a perspective in which the network elements used the HCCA access mechanism described in the IEEE 802.11e amendment. The results confirmed the validity of the designed Petri nets and showed that Wi-Bio, in addition to presenting a superior performance compared to HCCA on most items analyzed, was also able to promote efficient integration between the data generated by medical sensors and user applications on the same wireless network<br>O monitoramento de pacientes realizado nos hospitais normalmente ? feito de forma manual ou semi-automatizada, em que os membros da equipe de sa?de precisam constantemente se deslocar at? os pacientes para verificarem o estado de sa?de em que eles se encontram. A ado??o desse procedimento, todavia, compromete a qualidade do monitoramento realizado, uma vez que a escassez de recursos f?sicos e humanos nos hospitais tende a sobrecarregar os membros da equipe de sa?de e assim impedir que os mesmos se desloquem aos pacientes com a freq??ncia adequada. Diante disso, diversos trabalhos existentes na literatura especificam alternativas voltadas ? melhoria desse monitoramento mediante o uso de redes sem fio. Nesses trabalhos, a rede ? destinada apenas ao tr?fego de dados gerados por sensores m?dicos e n?o existe a possibilidade da mesma ser alocada para o envio de informa??es oriundas de aplica??es presentes nas esta??es de usu?rio existentes no hospital. Todavia, em se tratando de ambientes de automa??o hospitalar, esse aspecto constitui-se em um ponto negativo, haja vista que os dados gerados nessas aplica??es podem estar diretamente relacionados ao monitoramento de pacientes realizado. Desse modo, esta tese define o Wi-Bio como sendo um protocolo de comunica??o voltado ao estabelecimento de redes de monitoramento de pacientes IEEE 802.11 capazes de permitir a conviv?ncia harmoniosa entre os tr?fegos gerados por sensores m?dicos e esta??es de usu?rio. A especifica??o e verifica??o formal do Wi-Bio foram feitas mediante o projeto e an?lise de modelos em redes de Petri e sua valida??o foi realizada atrav?s simula??es efetuadas na ferramenta Network Simulator 2 (NS2). As simula??es realizadas no NS2 foram projetadas para retratarem um ambiente real de monitoramento de pacientes correspondente a um andar do setor de enfermarias do Hospital Universit?rio Onofre Lopes (HUOL), localizado na cidade de Natal/RN. Al?m disso, no intuito de verificar a viabilidade do Wi-Bio quanto aos padr?es de redes sem fio vigentes no mercado, o cen?rio de testes tamb?m foi simulado sob uma perspectiva em que os elementos da rede utilizavam o mecanismo de acesso HCCA descrito na emenda IEEE 802.11e. Os resultados obtidos atestaram a validade das redes de Petri projetadas e mostraram que o Wi-Bio, al?m de apresentar um desempenho superior ao do HCCA na maioria dos quesitos analisados, tamb?m se mostrou capaz de promover uma integra??o eficiente entre os dados gerados por sensores m?dicos e aplica??es de usu?rio sob a mesma rede sem fio
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Scaparrotti, Giacomo. "Cross-simulator integration: ns3 as a network simulation back-end for Alchemist." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20440/.

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Innovative distributed systems are often studied with the aid of simulation, especially in the case of large scale and situated systems. One of the key aspects of distributed systems is the presence of a set of nodes which must communicate with each other in order to perform their collective task. Consequently, the behaviour of the network plays a key role in determining how the distributed system will act as a whole, but support for realistic simulation of network communication may not be available in simulators that focus on higher-level phenomena, such as the execution of a program on the nodes belonging to a distributed system. Network simulation is usually performed with dedicated simulators which, on the other hand, mostly focus on low-level aspects, such as the behaviour of the physical channels and of the network protocols. The present works aims at filling this gap between high-level distributed system simulation and low-level network simulation by creating a cross-simulator integration between Alchemist, a simulator for large scale situated distributed systems, and ns3, a network simulator, which has been exploited in order to give Alchemist the ability to accurately simulate the network interactions between the nodes. Finally, the whole system has been tested to demonstrate how different network setups can affect the execution of a program in a distributed system.
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Kolář, Jan. "Simulátor přenosových funkcí silnoproudého vedení v NS3." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-220401.

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This thesis deals with the powerline communication focusing on the simulations of channel transfer functions. The introduction summarizes basic information about PLC followed by the analysis of the available PLC Software simulator (implemented in NS-3) and the analysis of implemented noises and interferences and its extensions. One chapter is devoted to possibilities of link capacity calculation. Within the thesis, various methods of calculation of primary parameters of transmission line were implemented and the simulator was compared with other freely available simulators. Subsequently, simulations were carried out focused on channel transfer functions in different topologies, on the impedance changes of branch, on the lengths of branch, and changes in the direct path between communicating nodes.
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Pavlosek, Václav. "Webová aplikace pro výuku simulací v ns2." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-218090.

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There is information to my master's thesis which is called “Web application for NS2 training”. This application works after installation and its source codes are saved on applied CD. It is said about implement Network Simulator 2. It helps to realize simulation of nets and then author inserts information about them into web application. Registered web's visitor has possibility to insert project into application. The project contents information about simulation created in NS2. Web application can also visible detail of possible project which is approved of administrator. Then the visitor can sort projects, search entered expression or connect his contribution to discussion forum. Administrator can approve users projects in his part of application. It makes available for the others. He can also delete them from database. Theory about technologies which are used for implementation of this application. It is talked about web Apache server, database MySQL server and programmable PHP language. There is also mentioned information about security of web application included possible attacks on applications and their database. It is presented proposal of database which creates core of application. This proposal is depended on application requirements. Next chapters give to reader whole image about functionality of application. There are mentioned samples of final graphical image of application. This document also provides the shows of source codes for creating database tables.
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Motyčka, Jan. "Implementace mechanismů zajišťujících “RAN Slicing” v simulačním nástroji Network Simulator 3." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442360.

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This thesis deals with the topic of network slicing technology in 5G networks, mainly on the RAN part. In the theoretical part, basic principles of 5G network slicing in core network part and RAN part are presented. Practical part contains a simulation scenario created in NS3 simulator with LENA 5G module. Results of this simulation are presented and discussed with the emphasis on RAN slicing.
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Evans, Julianna Marie. "Spacecraft-ns3: Spacecraft Discrete-Event Network Simulation." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/99102.

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As near-Earth space becomes more populated with large constellations of satellites and research into spacecraft autonomy and disaggregation becomes more prevalent, it will be increasingly important to design effective communication procedures between satellites to efficiently share resources and avoid collisions. Though there have been several space networking simulation tools created in recent years, they all lack rigorous astrodynamics models or use high-fidelity but bulky and computationally taxing commercial software. This research presents Spacecraft-ns3, an extension to the ns-3 network simulator. Using a modular approach, Spacecraft-ns3 propagates orbit state, plans discrete events, and analyzes network metrics and flows. A case study using Spacecraft-ns3 is presented for exploratory space network analysis.<br>Master of Science<br>Near-Earth space has become more crowded in recent years due to the increasing number of large constellations of satellites in this region. Autonomous vehicle research has been applied to Earth satellites primarily to share power and computing resources between satellites, or to prevent collisions between satellites. Both of these factors require effective communication procedures between satellites, which can be inexpensively simulated with network simulators. However, network simulators are primarily designed for ground-based use, and must be combined with an astrodynamics simulator to effectively simulate satellite networks. This research presents Spacecraft-ns3, an integrated simulator that defines spacecraft orbits and attitude, and analyzes network activity. This simulator improves upon prior simulation efforts by extending the ns-3 network simulator with efficient and high-fidelity astrodynamics models. The Spacecraft-ns3 simulator is demonstrated in an exploratory case study.
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Matinrad, Arash. "Design & development of an HSPA system simulator for network planning." Thesis, Linköpings universitet, Kommunikations- och transportsystem, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-69673.

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HSPA planning requires identification of key performance indicators  (KPIs), such as infrastructure cost,performance, service quality and the amount of E/M pollution. To evaluate such a framework describing and linking these key elements for HSPA planning and optimization we need to carry out a set of HSPA system-level event-driven simulations under different scenarios. To have such simulations, a new tool should be developed. In this thesis work a simulation tool is developed within NS-3, an open source network simulator. The simulation tool consists several entities to represent a UMTS network and respective nodes in it, and necessary procedures to form a network dynamically. A simple base station removal algorithm in a system level, is developed focusing on the reduction of capital expenditure (CAPEX) of a network. The algorithm defines a cost function in order to remove the most costly base station from network preserving the target coverage percentage. Baseline results show that the simulation tool is working properly and later the results from algorithm indicate that, it is possible to use the  algorithm within a dynamic simulation.
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Horák, Martin. "Modelování PLC komunikace s využitím Network Simulator-3." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-241144.

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The diploma thesis deals with the issue of data transmission over power lines, focusing on simulation transmission functions. The theoretical part summarizes basic information on PLC technology and distribution networks, followed by analysis PLC simulator implemented in NS-third In the practical part of the thesis is described implementation of individual types of underground and overhead lines to the PLC simulator. Also been carried simulation scenarios for a simple topology and were designed own simulation scenarios for extended topology and simulations have been carried out various kinds of interference on communication.
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Modlitba, Jan. "Vývojové trendy protokolu TCP pro vysokorychlostní sítě." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217549.

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The master's thesis solve the problem of setting new TCP variants for high-speed IP networks. The first goal was to describe in detail the behaviour of TCP and then analyse a problem of utilization the available bandwidth with standard TCP in high-speed network. Work consequently deals with selection and description the most perspective ones. Further the reader is familiarized with reasonable simulation tools of existing problems and their brief description. Main part of this thesis presents examination of performance of new TCP variants for high-speed network. During the examination the aspects on efficiency and fairness of competition flows on shared bottleneck are taken. The results are tabularly displayed plus compared with each other.
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Books on the topic "NS2 simulator"

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Issariyakul, Teerawat, and Ekram Hossain. Introduction to Network Simulator NS2. Springer US, 2012. http://dx.doi.org/10.1007/978-1-4614-1406-3.

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Issariyakul, Teerawat, and Ekram Hossain. Introduction to Network Simulator NS2. Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-71760-9.

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Nayak, Ajit Kumar, Satyananda Champati Rai, and Rajib Mall. Computer Network Simulation Using NS2. CRC Press, 2016. http://dx.doi.org/10.1201/9781315367286.

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Issariyakul, Teerawat, and Ekram Hossain. Introduction to Network Simulator NS2. Springer, 2011.

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Issariyakul, Teerawat, and Ekram Hossain. Introduction to Network Simulator NS2. Springer London, Limited, 2009.

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Issariyakul, Teerawat, and Ekram Hossain. Introduction to Network Simulator NS2. Springer, 2014.

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Issariyakul, Teerawat, and Ekram Hossain. Introduction to Network Simulator NS2. Springer, 2011.

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Introduction to Network Simulator NS2. Springer, 2008.

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Introduction To Network Simulator Ns2. Springer, 2011.

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Mall, Rajib, Ajit Kumar Nayak, and Satyananda Champati Rai. Computer Network Simulation Using NS2. Taylor & Francis Group, 2016.

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Book chapters on the topic "NS2 simulator"

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Issariyakul, Teerawat, and Ekram Hossain. "Developing New Modules for NS2." In Introduction to Network Simulator NS2. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4614-1406-3_13.

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Issariyakul, Teerawat, and Ekram Hossain. "Developing New Modules for NS2." In Introduction to Network Simulator NS2. Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-71760-9_14.

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Issariyakul, Teerawat, and Ekram Hossain. "Introduction to Network Simulator 2 (NS2)." In Introduction to Network Simulator NS2. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4614-1406-3_2.

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Issariyakul, Teerawat, and Ekram Hossain. "Introduction to Network Simulator 2 (NS2)." In Introduction to Network Simulator NS2. Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-71760-9_2.

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Issariyakul, Teerawat, and Ekram Hossain. "Linkage Between OTcl and C++ in NS2." In Introduction to Network Simulator NS2. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4614-1406-3_3.

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Issariyakul, Teerawat, and Ekram Hossain. "Implementation of Discrete-Event Simulation in NS2." In Introduction to Network Simulator NS2. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4614-1406-3_4.

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Issariyakul, Teerawat, and Ekram Hossain. "Linkage Between OTcl and C++ in NS2." In Introduction to Network Simulator NS2. Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-71760-9_3.

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Issariyakul, Teerawat, and Ekram Hossain. "Implementation of Discrete-Event Simulation in NS2." In Introduction to Network Simulator NS2. Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-71760-9_4.

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Issariyakul, Teerawat, and Ekram Hossain. "Simulation of Computer Networks." In Introduction to Network Simulator NS2. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4614-1406-3_1.

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Issariyakul, Teerawat, and Ekram Hossain. "Transport Control Protocols Part 2: Transmission Control Protocol." In Introduction to Network Simulator NS2. Springer US, 2011. http://dx.doi.org/10.1007/978-1-4614-1406-3_10.

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Conference papers on the topic "NS2 simulator"

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Hussien, Mohammed Nazar, Omar Shirko Mustafa, and Omar Fouad Mohammed. "Evaluating the performance of MANETs Routing Protocols AODV and DSDV using the NS2 Network Simulator." In 2024 10th International Engineering Conference on Advances in Computer and Civil Engineering (IEC). IEEE, 2024. https://doi.org/10.1109/iec61018.2024.11064056.

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Muthukumar, S., S. Senthil Pandi, D. Menaga, and T. N. Sudhahar. "Personalized Method for Voting in Wireless Mobile Adhoc Networks with Intrusion Detection using NS2 Simulation Model." In 2024 5th International Conference on Smart Electronics and Communication (ICOSEC). IEEE, 2024. http://dx.doi.org/10.1109/icosec61587.2024.10722153.

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Kang, Yajing, Guanyi Jia, Da Gao, Chao Zheng, and Yuting Wu. "Simulation Research on Large-Scale Multi-Node Clusters Using NS3." In 2025 10th International Conference on Cloud Computing and Big Data Analytics (ICCCBDA). IEEE, 2025. https://doi.org/10.1109/icccbda64898.2025.11030389.

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Jung, Jin-woong, Sang-woo Chang, and Sang-sun Lee. "Appropriate module configuration for vehicular networking using NS2 simulator." In 2014 International Conference on Information and Communication Technology Convergence (ICTC). IEEE, 2014. http://dx.doi.org/10.1109/ictc.2014.6983226.

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Wenbin Lin, Lianfen Huang, Mi Yan, Liang Xiao, and Xiaoxiao Chen. "Performance analysis of Channel-based FingerPrint using NS2 simulator." In 2011 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC). IEEE, 2011. http://dx.doi.org/10.1109/csqrwc.2011.6037270.

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Al-Mejibli, Intisar, and Martin Colley. "Evaluating UPnP service discovery protocols by using NS2 simulator." In 2010 2nd Computer Science and Electronic Engineering Conference (CEEC). IEEE, 2010. http://dx.doi.org/10.1109/ceec.2010.5606486.

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Aldawibi, Omar O., and Esmail M. Ashmila. "Developing and validation underwater acoustic channel in NS2 simulator." In 2012 4th Computer Science and Electronic Engineering Conference (CEEC). IEEE, 2012. http://dx.doi.org/10.1109/ceec.2012.6375407.

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Hiew, Yik-Kuan, Norazizah Mohd Aripin, and Norashidah Md Din. "A report on cognitive 802.11 model for NS2 simulator." In 2015 IEEE Symposium on Computer Applications & Industrial Electronics (ISCAIE). IEEE, 2015. http://dx.doi.org/10.1109/iscaie.2015.7298357.

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Qadeer, Mohammed A., Vikas Sharma, Ankit Agarwal, and S. Sabahat Husain. "Differentiated services with multiple random early detection algorithm using ns2 simulator." In 2009 2nd IEEE International Conference on Computer Science and Information Technology. IEEE, 2009. http://dx.doi.org/10.1109/iccsit.2009.5234732.

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Msadaa, Ikbal Chammakhi, Fethi Filali, and Farouk Kamoun. "An 802.16 Model for NS2 Simulator with an Integrated QoS Architecture." In 1st International ICST Conference on Simulation Tools and Techniques for Communications, Networks and Systems. ICST, 2008. http://dx.doi.org/10.4108/icst.simutools2008.3086.

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Reports on the topic "NS2 simulator"

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Tintle, Nathan, Beth Chance, Laura Callis, and Jennifer McNally. Teaching Statistics via Active Investigations (Free Seminar). Instats Inc., 2025. https://doi.org/10.61700/chnzshtl0emoe1704.

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This comprehensive seminar, led by members of the NSF-funded Exploring the Art and Practice of Statistics Teaching (EAPOST) team, equips educators with innovative approaches for teaching introductory statistics, focusing on active learning, the statistical investigation process, and simulation-based inference. Participants will gain practical tools to enhance student engagement and conceptual understanding in the classes they teach, with insights tailored to diverse educational settings.
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Wilmont, Martyn, Greg Van Boven, and Tom Jack. GRI-96-0452_1 Stress Corrosion Cracking Under Field Simulated Conditions I. Pipeline Research Council International, Inc. (PRCI), 1997. http://dx.doi.org/10.55274/r0011963.

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Electrochemical measurements have been performed on polished and mill scaled steel samples. The solutions investigated have included carbonate bicarbonate mixtures of varying pH as well as solutions of neutral pH such as NS4. Results indicate that the mechanism of corrosion associated with the carbonate bicarbonate environments involves passive film formation. No such passivation is observed for solutions associated with neutral pH SCC. Electrochemical corrosion rates measured on polished steel specimens exposed to NS4 solutions in the pH range 5 to 6.8 were in the region of 5 x 10e-1 to 1 x 10e-2 mm/s. However, rates obtained on mill scaled surfaces went much lower and in the region of 5 x 10e-10 mm/s. Field determined crack propagation rates are estimated to be in the region of 2 x 10e-8 mm/s. Whilst the laboratory determined corrosion rates are lower than the field propagation rate it should be remembered that the laboratory rates were obtained on unstressed specimens. The application of load would be expected to increase the corrosion rate and may indicate that stress focused dissolution process may be sufficient to explain the propagation of neutral pH stress corrosion cracks. However, as hydrogen evolution is the most likely cathodic reaction involved in the mechanism of neutral pH SCC the role of hydrogen in the crack propagation mechanism may also be important.
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Linker, Taylor, and Timothy Jacobs. PR-457-18204-R01 Variable Fuel Effects on Legacy Compressor Engines Phase IV - Predictive NOx Modeling. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011584.

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The ultimate goal of this work is to improve the current control methods for large bore, lean burn natural gas engines in order to combat performance and emissions issues during variable fuel composition events. This will be achieved in the long term by simulating the effects of variable fuel composition on a large bore, natural gas engine and developing engine control strategies which work to mitigate adverse effects. The work of Phase IV adds onto previous work by enabling the prediction of NOxemissions in the validated, full-scale engine simulation of a Cooper-Bessemer GMWH-10C developed in Phase III. A sweep of fuel composition was also performed to assess the effect that variable fuel composition has on in-cylinder properties and NOxemissions. Engine-out NOxwas predicted via a chemical kinetic mechanism which was implemented into the existing engine simulation. The mechanism dictates the composition of combustion products in each cylinder, including NO and NO2(NOx). NOxlevels were measured at the simulation exhaust to compare with the experimental NOxdata acquired as part of the data collection carried out in Phase III of this project. The prediction was tuned in order to achieve the closest prediction to real measured NOxvalues. A preliminary sweep of fuel composition was completed by varying the mole fractions of ethane and propane within the natural gas compositions used in the simulation. Changes in in-cylinder pressure, location of peak pressure, in-cylinder temperature, and engine-out NOxwere evaluated based on their trend-wise behavior and compared qualitatively to expected results.
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Gagnon, Colleen M., and William K. Stevens. Use of Modeling and Simulation (M&S) in Support of Joint Command and Control Experimentation: Naval Simulation System (NSS) Support to Fleet Battle Experiments. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada461113.

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Arumugam, Udayansankar, Mimoun Elboujdaini, Ming Gao, and Ramiro Vanoye. PR-328-133702-R02 F-S Fatigue Testing of Crack-in-Dent with Framework for Life Prediction. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011628.

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ASME B31.8 states that "Dents that contain stress corrosion cracking or other cracks are injurious to the pipeline" and therefore, requires immediate attention by the Operators. Dent containing crack fields (colonies) are often observed in liquid pipelines. The recently completed PRCI research project MD-1N "Study of the Mechanism for Cracking in Dents in a Crude Oil Pipeline" showed evidence of a mechanism for fatigue cracking. The crack growth rate as a function of stress intensity factor was estimated using the measured spacings of fatigue striations from fracture surfaces based on the assumption that the formation of fatigue striations on a cycle-by-cycle basis. However, due to the lack of full-scale fatigue crack growth data, the success was limited. This gap prompted PRCI to launch a full-scale experimental investigation of crack growth rates of cracks in dents under cyclic pressure load in the simulated groundwater NS4 environment (PRC-328-133702, MD-1Q). The objective of the study was to determine the crack growth rate as a function of stress intensity factor, the number of cycles to failure, and the failure modes of cracks in dents. The test results would be used to evaluate the validity of cycle-by-cycle based assumption for crack growth rate estimation from the measured fatigue-striation-spacing. The investigation was also aimed at establishing a framework for remaining fatigue life prediction of cracks in dents in liquid pipelines. This framework would benefit liquid pipeline Operators to manage better the integrity of dents associated with corrosion fatigue cracking in groundwater. A total of six pipe samples containing cracks in shallow dents excavated from a retired 24-inch diameter liquid transmission pipeline were available and used for the full-scale fatigue tests. The test system developed under the project consisted of four components: (1) a computer-controlled hydraulic pressure cycling system, (2) an environment chamber containing a simulated groundwater NS4 solution mounted on the pipe in around the dent region to provide a simulated field environment condition; (3) real-time crack growth monitoring systems including direct cur-rent potential drop (DCPD), Clip gage and Strain gage; (4) data acquisition system. The cyclic pressure range used in the fatigue tests was 78 to 780 psig (72%SMYS) with R=0.1, which was based on historical operational pressure data and the Rain flow analysis. A constant frequency of 0.0526 Hz was selected for the testing to ensure the frequency requirement for corrosion fatigue is met. The remaining fatigue life of cracks-in-dents and failure modes were evaluated using the full-scale fatigue test results. Further, fatigue crack growth rates were established. Finally, a framework was developed for the life prediction of cracks in shallow dents based on the findings from six full-scale fatigue cyclic tests. This framework will assist liquid pipeline operators to estimate the remaining fatigue life for cracks in shallow dents utilizing inputs from ILI and pipeline's historical operational pressure fluctuation data and to mitigate the threat of cracks in dents in a timely manner. There is a related webinar.
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Bragge, Peter, Veronica Delafosse, Ngo Cong-Lem, Diki Tsering, and Breanna Wright. General practitioners raising and discussing sensitive health issues with patients. The Sax Institute, 2023. http://dx.doi.org/10.57022/rseh3974.

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This Evidence Check was commissioned by the NSW Ministry of Health, as part of a project to improve how preventive, sensitive health issues are raised in general practice. The review looked at what is known about discussing sensitive preventive health issues from both patients and GPs perspectives and approaches and factors that have been shown to be effective. The identified evidence was generally of moderate to high methodological quality. General behaviour change approaches that are applicable to this challenge include creating non-judgemental environments that normalise sensitive health issues; simulation training; and public campaigns that reduce stigma and challenge unhelpful cultural norms. Lack of time in consultations was identified as a challenging issue. Significant system-level change would be required to extend standard consultation times; focusing on optimising workflows may therefore be more feasible. Addressing GP patient–gender mismatch through diverse GP representation may also be feasible in larger practices. The key theme identified was the use of prompting, screening or other structured tools by GPs. Collectively, these approaches have two main features. First, they are a way of approaching sensitive health conversations less directly, for example by focusing on underlying risk factors for sensitive health conditions such as obesity and mental illness rather than addressing the issues directly. Second, through either risk-factor or more general question prompts, these approaches take the onus away from GPs and patients to come up with a way of asking the question using their own words.
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Lai, Chin-Ta, and Joel Conte. Dynamic Modeling of the UC San Diego NHERI Six-Degree-of-Freedom Large High-Performance Outdoor Shake Table. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2024. http://dx.doi.org/10.55461/jsds5228.

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The UC San Diego Large High-Performance Outdoor Shake Table (LHPOST), which was commissioned on October 1, 2004 as a shared-use experimental facility of the National Science Foundation (NSF) Network for Earthquake Engineering Simulation (NEES) program, was upgraded from its original one degree-of-freedom (LHPOST) to a six degree-of-freedom configuration (LHPOST6) between October 2019 and April 2022. The LHPOST6 is a shared-use experimental facility of the NSF Natural Hazard Engineering Research Infrastructure (NHERI) program. A mechanics-based numerical model of the LHPOST6 able to capture the dynamics of the upgraded 6-DOF shake table system under bare table condition is presented in this report. The model includes: (i) a rigid body kinematic model that relates the platen motion to the motions of components attached to the platen, (ii) a hydraulic dynamic model that calculates the hydraulic actuator forces based on all fourth-stage servovalve spool positions, (iii) a hold-down strut model that determines the pull-down forces produced by the three hold-down struts, (iv) a 2-D and various 1-D Bouc-Wen models utilized to represent the dissipative forces in the shake table system, and (v) a 6-DOF rigid body dynamic model governing the translational and rotational motions of the platen subjected to the forces from the various components attached to the platen. In this report, the rigid body dynamics is studied utilizing the platen twist (combination of platen translational and rotational velocities) and wrench (combination of force and moment resultants acting on the platen) following principles from the robotic analysis literature. The numerical model of the LHPOST6 is validated extensively using experimental data from the acceptance tests performed following the shake table upgrade, and the model predictions of the shake table system response are found to be consistently in very good agreement with the experimental results for tri-axial and six-axial earthquake shake table tests. The validated mechanics-based numerical model of the LHPOST6 presented in this study can be coupled with finite element models of shake table test specimens installed on the rigid platen to study the dynamic interaction between the shake table system and the specimens. Another important potential use of the model is to improve the motion tracking performance of the LHPOST6 through either off-line tuning of the shake table controller and/or development of more advanced shake table controllers.
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Law, Edward, Samuel Gan-Mor, Hazel Wetzstein, and Dan Eisikowitch. Electrostatic Processes Underlying Natural and Mechanized Transfer of Pollen. United States Department of Agriculture, 1998. http://dx.doi.org/10.32747/1998.7613035.bard.

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The project objective was to more fully understand how the motion of pollen grains may be controlled by electrostatic forces, and to develop a reliable mechanized pollination system based upon sound electrostatic and aerodynamic principles. Theoretical and experimental analyses and computer simulation methods which investigated electrostatic aspects of natural pollen transfer by insects found that: a) actively flying honeybees accumulate ~ 23 pC average charge (93 pC max.) which elevates their bodies to ~ 47 V likely by triboelectrification, inducing ~ 10 fC of opposite charge onto nearby pollen grains, and overcoming their typically 0.3-3.9 nN detachment force resulting in non-contact electrostatic pollen transfer across a 5 mm or greater air gap from anther-to-bee, thus providing a theoretical basis for earlier experimental observations and "buzz pollination" events; b) charge-relaxation characteristics measured for flower structural components (viz., 3 ns and 25 ns time constants, respectively, for the stigma-style vs. waxy petal surfaces) ensure them to be electrically appropriate targets for electrodeposition of charged pollen grains but not differing sufficiently to facilitate electrodynamic focusing onto the stigma; c) conventional electrostatic focusing beneficially concentrates pollen-deposition electric fields onto the pistill tip by 3-fold as compared to that onto underlying flower structures; and d) pollen viability is adequately maintained following exposure to particulate charging/management fields exceeding 2 MV/m. Laboratory- and field-scale processes/prototype machines for electrostatic application of pollen were successfully developed to dispense pollen in both a dry-powder phase and in a liquid-carried phase utilizing corona, triboelectric, and induction particulate-charging methods; pollen-charge levels attained (~ 1-10 mC/kg) provide pollen-deposition forces 10-, 77-, and 100-fold greater than gravity, respectively, for such charged pollen grains subjected to a 1 kV/cm electric field. Lab and field evaluations have documented charged vs. ukncharged pollen deposition to be significantly (a = 0.01-0.05) increased by 3.9-5.6 times. Orchard trials showed initial fruit set on branches individually treated with electrostatically applied pollen to typically increase up to ~ 2-fold vs. uncharged pollen applications; however, whole-tree applications have not significantly shown similar levels of benefit and corrective measures continue. Project results thus contribute important basic knowledge and applied electrostatics technology which will provide agriculture with alternative/supplemental mechanized pollination systems as tranditional pollen-transfer vectors are further endangered by natural and man-fade factors.
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Mosalam, Khalid, Amarnath Kasalanati, and Grace Kang. PEER Annual Report 2016. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2017. http://dx.doi.org/10.55461/anra5954.

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The Pacific Earthquake Engineering Research Center (PEER) is a multi-institutional research and education center with headquarters at the University of California, Berkeley. PEER’s mission is to develop, validate, and disseminate performance-based seismic design technologies for buildings and infrastructure to meet the diverse economic and safety needs of owners and society. The year 2016 began with a change of leadership at PEER. On January 1, Professor Khalid Mosalam became the new PEER Director as Professor Stephen Mahin completed his 6- year term. Also in early 2016, Dr. Yousef Bozorgnia stepped down from the position of Executive Director, after serving as a key member of PEER’s management team for over 12 years. Several accomplishments of the Center during the leadership of Director Mahin were recounted during the PEER Annual Meeting on January 28–29, 2016. This meeting also set the course of the Center with several new thrust areas identified for future research. During the past year, PEER has continued its track record of multi-institutional research with several multi-year Mega-Projects. The PEER Tall Buildings Initiative (TBI) was recently expanded to include assessment of the seismic performance of existing tall buildings. The California Earthquake Authority (CEA) awarded a $3.4 million, 3.5-year research contract to PEER to investigate the seismic performance of wood-frame homes with cripple walls. The project will directly contribute to the improvement of seismic resiliency of California’s housing stock. Former Director Mahin will lead a broad effort for computational modeling and simulation (SimCenter) of the effects of natural hazards on the built environment. Supported by a 5-year, $10.9-million grant from the National Science Foundation (NSF), the SimCenter is part of the Natural Hazards Engineering Research Infrastructure (NHERI) initiative, a distributed, multi-user national facility that will provide natural hazards engineers with access to research infrastructure (earthquake and wind engineering experimental facilities, cyberinfrastructure, computational modeling and simulation tools, and research data), coupled with education and community outreach activities. In addition to the Mega Projects, PEER researchers were involved in a wide range of research activities in the areas of geohazards, tsunami, and the built environment focusing on the earthquake performance of old and new reinforced concrete and steel structures, tall buildings, and bridges including rapid bridge construction. As part of its mission, PEER participated in a wide range of education and outreach activities, including a summer internship program, seminars, OpenSees days, and participation in several national and international conferences. The Center became an active board member of two prominent international organizations, namely GADRI (Global Alliance of Disaster Research Institutes) and ILEE (International Laboratory of Earthquake Engineering). PEER researchers and projects were recognized with awards from several organizations. Going forward, PEER aims to improve the profile and external exposure of the Center globally, strengthen the Business-Industry-Partnership (BIP) program, engage the Institutional Board (IB) and the Industry Advisory Board (IAB) to identify new areas of research, and explore new funding opportunities.
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