Relevant bibliographies by topics / Telecommunication Traffic Evaluation

Academic literature on the topic 'Telecommunication Traffic Evaluation'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Telecommunication Traffic Evaluation"

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Počta, Peter, Peter Kortiš, and Martin Vaculík. "Impact of Background Traffic on Speech Quality in VoWLAN." Advances in Multimedia 2007 (2007): 1–9. http://dx.doi.org/10.1155/2007/57423.

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This paper describes measurements of the impact of background traffic on speech quality in an environment of WLANs (IEEE 802.11). The simulated background traffic consists of three types of current traffics in telecommunication networks such as data transfer service, multimedia streaming service, and Web service. The background traffic was generated by means of the accomplished Distributed Internet Traffic Generator (D-ITG). The impact of these types of traffic and traffic load on speech quality using the test sequence and speech sequences is the aim of this paper. The assessment of speech quality is carried out by means of the accomplished Perceptual Evaluation of Speech Quality (PESQ) algorithm. The proposal of a new method for improved detection of the critical conditions in wireless telecommunication networks from the speech quality point of view is presented in this paper. Conclusion implies the next application of the method of improved detection of critical conditions for the purpose of algorithms for link adaptation from the speech quality point of view in an environment of WLANs. The primary goal of these algorithms is improving speech quality in the VoWLAN connections, which are established in the competent link.
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Kozdrowski, Stanisław, Mateusz Żotkiewicz, Kacper Wnuk, Arkadiusz Sikorski, and Sławomir Sujecki. "A Comparative Evaluation of Nature Inspired Algorithms for Telecommunication Network Design." Applied Sciences 10, no. 19 (September 29, 2020): 6840. http://dx.doi.org/10.3390/app10196840.

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The subject of the study was an application of nature-inspired metaheuristic algorithms to node configuration optimization in optical networks. The main objective of the optimization was to minimize capital expenditure, which includes the costs of optical node resources, such as transponders and amplifiers used in a new generation of optical networks. For this purpose a model that takes into account the physical phenomena in the optical network is proposed. Selected nature-inspired metaheuristic algorithms were implemented and compared with a reference, deterministic algorithm, based on linear integer programming. For the cases studied the obtained results show that there is a large advantage in using metaheuristic algorithms. In particular, the evolutionary algorithm, the bees algorithm and the harmony search algorithm showed superior performance for the considered data-sets corresponding to large optical networks; the integer programming-based algorithm failed to find an acceptable sub-optimal solution within the assumed maximum computational time. All optimization methods were compared for selected instances of realistic teletransmission networks of different dimensions subject to traffic demand sets extracted from real traffic data.
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Lebl, Aleksandar, Dragan Mitic, Vladimir Matic, Mladen Mileusnic, and Zarko Markov. "A novel method for the codecs’ performance analysis in mobile telephony systems." Facta universitatis - series: Electronics and Energetics 33, no. 2 (2020): 243–59. http://dx.doi.org/10.2298/fuee2002243l.

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This paper presents a novel method of expressing the quality of service in a mobile telecommunication system when its performance depends on several factors including applied codecs? characteristics (voice quality and data flow rate) and telecommunications traffic service possibilities. The influence of these factors is unified in one variable - quality of service measure. The proposed method is especially applicable in the cases when two-dimensional systems are analyzed - for example when two codecs with different flow rate and different achievable connection quality are used in a system. As an example, we also studied system with full-rate or mixed full-rate and half-rate codec implementation depending on the offered traffic. The system performances - mean dataflow and mean connection quality as a function of offered traffic are presented graphically and also expressed quantitatively by the novel quality of service measure. The systems with different number of available traffic channels may be compared on the base of this novel evaluation value such that the system with the highest value is the most suitable one for the concrete situation. In this way mobile system design is simplified to the great extent. The developed model is applicable generally for mobile telephony systems defining, but in this paper we studied its implementation for Global System for Mobile communications.
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Mercy, Mbise, and Simba Fatuma. "Performance Evaluation of UDSM Network to Deliver Multimedia eLearning Contents: Case of CoICT." Tanzania Journal of Engineering and Technology 41, no. 4 (December 31, 2022): 205–18. http://dx.doi.org/10.52339/tjet.v41i4.860.

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The use of technology in education in Sub-Saharan Africa has been reported to be hindered by many factors including inadequate Information and Communication Technology (ICT) infrastructure, low internet speed, and lack of skills to use educational technologies. This paper aim at evaluating how the available ICT infrastructure at the College of Information and Communication Technologies (CoICT) can support, with acceptable Quality of Service (QoS), the delivery of multimedia applications for eLearning services. The evaluation was performed over a network testbed implemented in a computer laboratory for wired and wireless connections. The testbed consisted of five personal computers (PCs) connected via a switch and a router to the internet for the wired connection. The wireless connection consisted of three PCs and a laptop connected through a switch and a router to the internet via a wireless access point. Four different multimedia applications were run through the PCs, and traffic data was mirrored and captured at one of the PC using Wireshark network analyzer. The traffic included streamed and conversational video and audio using YouTube and Zoom applications, respectively; interactive web browsing using web browsers; bulk file transfer, and a mixture of all applications running on the computers. Traffic data captured during the running of these applications were packet loss, delay, jitter, and throughput. The QoS performance parameters obtained were within the acceptable threshold values as per International Telecommunication Union, Telecommunication Standardization Sector (ITU-T) values. Results revealed that ICT infrastructure at CoICT can support delivery of multimedia content for eLearning purposes for both wired and wireless connections. Having the infrastructure capable of supporting multimedia applications with the acceptable QoS implies that instructors are equipped with a conducive environment that supports multimedia application. Hence, they are expected to use and continue using educational technologies to facilitate teaching and learning processes.
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Domański, Adam, Joanna Domańska, Katarzyna Filus, Jakub Szyguła, and Tadeusz Czachórski. "Self-Similar Markovian Sources." Applied Sciences 10, no. 11 (May 28, 2020): 3727. http://dx.doi.org/10.3390/app10113727.

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Markov queueing models are a powerful tool to evaluate the performance of computer networks and have been used in telecommunication studies for over 100 years. To apply them to the evaluation of the modern Internet, we should not only adapt them to the contemporary network structures but also include a description of the complex stochastic patterns (self-similarity and long-range dependance) of transmitted flows. We examine the features of two Markov models of an almost self-similar process, keeping in mind the modeling of Internet traffic. We have found that the obtained results are comparable with those achieved using a well-known generator of self-similar traffic.
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Pavlovs, D., V. Bobrovs, M. Parfjonovs, A. Alsevska, and G. Ivanovs. "Evaluation of Signal Regeneration Impact on the Power Efficiency of Long-Haul DWDM Systems." Latvian Journal of Physics and Technical Sciences 54, no. 5 (October 26, 2017): 68–77. http://dx.doi.org/10.1515/lpts-2017-0035.

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Abstract Due to potential economic benefits and expected environmental impact, the power consumption issue in wired networks has become a major challenge. Furthermore, continuously increasing global Internet traffic demands high spectral efficiency values. As a result, the relationship between spectral efficiency and energy consumption of telecommunication networks has become a popular topic of academic research over the past years, where a critical parameter is power efficiency. The present research contains calculation results that can be used by optical network designers and operators as guidance for developing more power efficient communication networks if the planned system falls within the scope of this paper. The research results are presented as average aggregated traffic curves that provide more flexible data for the systems with different spectrum availability. Further investigations could be needed in order to evaluate the parameters under consideration taking into account particular spectral parameters, e.g., the entire C-band.
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Su, Ruoyu, Meinan Zhang, Fei Ding, Guilong Hu, and Qi Qi. "Scenario-Based Configuration Refinement for High-Load Cellular Networks: An Operator View." Applied Sciences 12, no. 3 (January 29, 2022): 1483. http://dx.doi.org/10.3390/app12031483.

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With the rapid growth of users and sustained network demands powered by different industries, the quality of service (QoS) of the cellular network is affected by network traffic and computing loads. The current solutions of QoS improvement in academia focus on the fundamental algorithms within the physical and medium access control (MAC) layer. However, traffic features of various scenarios extracted from field data are rarely addressed for practical network configuration refinement. In this paper, we identify significant indicators of high traffic load cells according to the field data provided by telecommunication operators. Then, we propose the analysis flow of high traffic load cells with basic principles of network configuration refinement for QoS improvement. To demonstrate the proposed analysis flow and the refinement principles, we consider three typical scenarios of high traffic load cells, including high population density, emergency, and high-speed mobility. For each scenario, we discuss traffic features with field data. The corresponding performance evaluation demonstrates that the proposed principle can significantly enhance the network performance and user experience in terms of access success rate, downlink data rate, and number of high traffic load cells.
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Lebedev, Ilya, Igor Sikarev, Mikhail Sukhoparov, and B. T. Rzayev. "IMPROVING THE QUALITY OF TELECOMMUNICATIONS SYSTEM SECURITY STATE ANALYSIS DURING NETWORK TRAFFIC SEGMENTATION." T-Comm 16, no. 9 (2022): 28–32. http://dx.doi.org/10.36724/2072-8735-2022-16-9-28-32.

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The article deals with the actual task of identifying abnormal situations arising in information and telecommunication systems (ITCS) using artificial intelligence methods. Analysis of the processes of functioning of ITCS devices and nodes in real conditions shows that over time the properties of the analyzed characteristics can be transformed. Various factors cause the ranges of the analyzed values of the target variables to shift. The appearance of external and internal events at various points in time changes the states of both individual telecommunication devices and the system as a whole. It is necessary to analyze a large number of heterogeneous qualitative and quantitative characteristics of traffic and processes of functioning of telecommunication devices. The proposed method of monitoring the state of ITCS is based on taking into account the factors influencing the change in the properties of target variables, which, in turn, allows segmentation of the data sample. The novelty of the proposed solution lies in the fact that a classification algorithm with the best quality indicators is used for individual segments of the processed data. Taking into account the current and expected situations, it is possible to form samples based on the identified impacts. On the basis of the NSL-KDD dataset, segmentation of the data set is carried out, taking into account the influence of factors on the ranges of values. The processing of factors using the search function of the time series layout, which was used to segment the data set, is shown. As a result of data segmentation, a finite number of non-overlapping measurable subsets of data were obtained, each of which was fed to the classification algorithm. The evaluation of the quality of the classification algorithms was carried out. Based on the results obtained, it is possible to build various classification models of the ITCS information security (IS) status. The proposed approach makes it possible to improve the quality indicators of classification algorithms in dynamically changing conditions.
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Vetoshko, Ivan, and Vyacheslav Noskov. "EVALUATION OF VOICE TRANSMISSION QUALITY IN THE LTE NETWORKS." Information and Telecommunication Sciences, no. 2 (December 21, 2021): 22–26. http://dx.doi.org/10.20535/2411-2976.22021.22-26.

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Background. LTE mobile networks combine packet network technology and radio technology. Parameters of packet and radio subsystems significantly affects the quality of all traffic types transmission, especially telephone traffic, as the most demanding to such parameters of network transmission as delay, jitter and packet loss rate. The recommendations of the International Telecommunication Union and the documents of the partner organization of telecommunications operators (3GPP) contain hypothetical reference models, targets for end-to-end connection quality, and lists the factors that affect the quality (QoS) of VoLTE services. In addition, the network points are shown where you need to measure the quality of telephone traffic and tools for quality assessment. The quality of telephony services is assessed according to the E-model using the method of determining the mean opinion score (MOS). However, this technique is intended primarily to determine the MOS during the network planning. To calculate the MOS in a working network, you have to measure such network performance first such as voice delay and packet loss rate. This article presents the method of calculating MOS in the LTE network based on the E-model and presents the results of practical quality studies. Objective. The purpose of this article is research the impact of delay and packet loss ratio and voice codec characteristics in the real LTE network on quality of telephone services. Methods. Analysis of factors affecting on telephone services quality and analysis MOS assessment methods. Practical studies of the delay and packet loss ratio affect the MOS level in various conditions of radio coverage and network load. Results. Practical results of delay and packet loss ratio influence on the telephone services quality in the LTE network. Calculated MOS based on the practically measured delay and packet loss ratio. Conclusions. The combination of packet technologies, modern AMR-WB codecs and QoS support mechanisms in the LTE networks provides high quality perception of voice messages at the level of not less than 4 on the MOS scale. With a delay not exceeding 180 ms, a sufficiently high quality of voice transmission is ensured (MOS ≈ 4). VoLTE technology using the AMR-WB codec is quite resistant to packet loss and provides high quality perception of voice messages at a packet loss ratio of up to 1%.
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Vishnevsky, Vladimir, and Olga Semenova. "Polling Systems and Their Application to Telecommunication Networks." Mathematics 9, no. 2 (January 7, 2021): 117. http://dx.doi.org/10.3390/math9020117.

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The paper presents a review of papers on stochastic polling systems published in 2007–2020. Due to the applicability of stochastic polling models, the researchers face new and more complicated polling models. Stochastic polling models are effectively used for performance evaluation, design and optimization of telecommunication systems and networks, transport systems and road management systems, traffic, production systems and inventory management systems. In the review, we separately discuss the results for two-queue systems as a special case of polling systems. Then we discuss new and already known methods for polling system analysis including the mean value analysis and its application to systems with heavy load to approximate the performance characteristics. We also present the results concerning the specifics in polling models: a polling order, service disciplines, methods to queue or to group arriving customers, and a feedback in polling systems. The new direction in the polling system models is an investigation of how the customer service order within a queue affects the performance characteristics. The results on polling systems with correlated arrivals (MAP, BMAP, and the group Poisson arrivals simultaneously to all queues) are also considered. We briefly discuss the results on multi-server, non-discrete polling systems and application of polling models in various fields.
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Dissertations / Theses on the topic "Telecommunication Traffic Evaluation"

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Dheram, Meher Vinay. "Network performance evaluation and simulation studies on backbone traffic aggregation." Diss., Online access via UMI:, 2006.

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Narasimhan, Priya. "An evaluation of realistic TCP traffic in satellite networks." Ohio : Ohio University, 2002. http://www.ohiolink.edu/etd/view.cgi?ohiou1020344432.

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Zhao, Qi. "Towards Ideal Network Traffic Measurement: A Statistical Algorithmic Approach." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19821.

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Thesis (Ph.D)--Computing, Georgia Institute of Technology, 2008.
Committee Chair: Xu, Jun; Committee Member: Ammar, Mostafa; Committee Member: Feamster, Nick; Committee Member: Ma, Xiaoli; Committee Member: Zegura, Ellen.
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Grumert, Ellen. "Cooperative Variable Speed Limit Systems : Modeling and Evaluation using Microscopic Traffic Simulation." Licentiate thesis, Linköpings universitet, Kommunikations- och transportsystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-106926.

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During the last decades the road traffic has increased tremendously leading to congestion, safety issues and increased environmental impacts. As a result, many countries are continuously trying to find improvements and new solutions to solve these issues. One way of improving the traffic conditions is by the use of so called intelligent transport systems, where information and communication technologies are being used for traffic management and control. One such system commonly used for traffic management purposes are variable speed limit systems. These systems are making use of signs to show speed limits adjusted to the prevailing road or traffic conditions. The rapid development in telecommunication technologies has enabled communication between vehicles, and between vehicles and the infrastructure, so called cooperative systems. This opens up for  the possibility to further improve the performance of a standard variable speed limit system by adding cooperative system features. The overall aim of this thesis is to investigate the potential benefits of incorporating infrastructure to vehicle communication and autonomous control to an existing variable speed limit system. We show how such a cooperative variable speed limit system can be modeled and evaluated by the use of microscopic traffic simulation. Results from the evaluation indicate increased flow harmonization in terms of narrowing of the acceleration rate distribution and reduced exhaust emissions. Further, we compare four control algorithms for deciding on speed limits in variable speed limit systems. Differences in the resulting traffic performance between the control algorithms are quantified by the use of microscopic traffic simulation. It is concluded that the dened objective for the algorithms have a decisive influence on the effects of the variable speed limit system. The results from this thesis are useful for further development of variable speed limit systems, both with respect to incorporating cooperative features and by improving the speed setting control algorithms.
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Huq, Mohammed Azizul. "Traffic Measurement and Timestamp Accuracy Evaluation of Java ME Traffic Generator on Smartphone." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-5143.

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Research on network traffic measurement is becoming popular because it could find the reason and valuable information regarding the occurrence of timestamp accuracy error. In this thesis the performance of UDP traffic between application level and link level has been investigated on three different Smartphone operating systems. One Java ME traffic generator and sink was developed for this thesis work. Distributed Passive Measurement Infrastructure with Measurement Point was used for the experiment. To get high timestamp accuracy DAG 3.5E card was used which was synchronized with GPS. Through the different tests under different protocol layers, it can be concluded that the Android mobile performs better as Java ME application works like a native application, whereas Symbian and Windows mobile struggles with incompatible implementation for poor JVM support. Time stamping at link level is more accurate and far different from application level. This thesis also investigated the performance evaluation of different JVM for Windows mobile.
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Awan, Zafar Iqbal, and Abdul Azim. "Network Emulation, Pattern Based Traffic Shaping and KauNET Evaluation." Thesis, Blekinge Tekniska Högskola, Avdelningen för telekommunikationssystem, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-6022.

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Quality of Service is major factor for a successful business in modern and future network services. A minimum level of services is assured indulging quality of Experience for modern real time communication introducing user satisfaction with perceived service quality. Traffic engineering can be applied to provide better services to maintain or enhance user satisfaction through reactive and preventive traffic control mechanisms. Preventive traffic control can be more effective to manage the network resources through admission control, scheduling, policing and traffic shaping mechanisms maintaining a minimum level before it get worse and affect user perception. Accuracy, dynamicity, uniformity and reproducibility are objectives of vast research in network traffic. Real time tests, simulation and network emulation are applied to test uniformity, accuracy, reproducibility and dynamicity. Network Emulation is performed over experimental network to test real time application, protocol and traffic parameters. DummyNet is a network emulator and traffic shaper which allows nondeterministic placement of packet losses, delays and bandwidth changes. KauNet shaper is a network emulator which creates traffic patterns and applies these patterns for exact deterministic placement of bit-errors, packet losses, delay changes and bandwidth changes. An evaluation of KauNet with different patterns for packet losses, delay changes and bandwidth changes on emulated environment is part of this work. The main motivation for this work is to check the possibility to delay and drop the packets of a transfer/session in the same way as it has happened before (during the observation period). This goal is achieved to some extent using KauNet but some issues with pattern repetitions are still needed to be solved to get better results. The idea of history and trace-based traffic shaping using KauNet is given to make this possibility a reality.
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Kharel, Jeevan, and Deepak Adhikari. "Performance Evaluation of Voice Traffic over MPLS Network with TE and QoS Implementation." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4757.

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Multiprotocol Label Switching (MPLS) is a new paradigm in routing architectures which has changed the way Internet Protocol (IP) packet is transferred in a Network. MPLS ensures the reliability of the communication minimizing the delays and enhancing the speed of packet transfer. One important feature of MPLS is its capability of providing Traffic Engineering (TE) which plays a vital role for minimizing the congestion by efficient load, balancing and management of the network resources. The performance evaluation is done considering the network parameters latency, jitter, packet end to end delay, and packet delay variation. Integration of QoS with the MPLS-TE network may enhance the performance of the network. Various scheduling algorithms can be used for implementing QoS on a network, which may vary the performance of the network. In our study, QoS is implemented on top of the MPLS-TE network using Differentiated Service (DiffServ) architecture. Different basic scheduling algorithms are used for the implementation of QoS and to check their impact on the network and to identify the suitable one among them. Performance evaluation is done considering the network parameters latency, jitter, packet end-to-end delay, and Packet Delay Variation. The simulation was done using OPNET modeler 16.0 and the results were analyzed. The simulation result shows that using TE along with QoS in MPLS network decreases the latency, jitter, packet delay variation and end to end packet delay compared to using TE alone for voice traffic.
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Ekhator, Stephen. "Evaluating Kismet and NetStumbler as Network Security Tools & Solutions." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-5668.

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ABSTRACT Despite advancement in computer firewalls and intrusion detection systems, wired and wireless networks are experiencing increasing threat to data theft and violations through personal and corporate computers and networks. The ubiquitous WiFi technology which makes it possible for an intruder to scan for data in the air, the use of crypto-analytic software and brute force application to lay bare encrypted messages has not made computers security and networks security safe more so any much easier for network security administrators to handle. In fact the security problems and solution of information systems are becoming more and more complex and complicated as new exploit security tools like Kismet and Netsh (a NetStumbler alternative) are developed. This thesis work tried to look at the passive detection of wireless network capability of kismet and how it function and comparing it with the default windows network shell ability to also detect networks wirelessly and how vulnerable they make secured and non-secured wireless network. Further analysis where made on captured network source packets using wireshark (a network analyzer). The discovery of MAC addresses, IP address, data frames, SSID’s by kismet and netsh and the further exposure of management traffic with wireshark is a source of concern given that such useful network parameters in the hands of an experienced hacker would be a valuable information that could be used in hacking into any network computer. Introduction to kismet and netstumbler application and their inherent capabilities in network detection is given an in depth look at the beginning of this work. A wide range of definitions and concepts of wireless technology application and uses as it applies to wireless networks, supported devices, security standards and protocols, firewalls and ad-hoc networks, wardriving and its legality, types of authentication, the Linux kernel, special TCP/UDP ports, the drone and third party firmware were all given an in depth look. kismet download and configurations on linux based OS and the netsh utility fucntionalities was explained for the purpose of clarity. Captured management data packets were opened with wireshark and management data frames found within the packets were analysed. Also, a look at the different file types and results of captured management traffic were displayed. Some of the challenges encountered in the course of this work were discoursed in details and comparison between kismet and netsh was done from the perspective of the vulnerability of a network and the poor channel hopping capability of kismet.
The thesis is about deploying Kismet application software to capture wireless networks, analysis the capture data packets if there is any vulnerability and then compare the results with NETSH captures . NETSH is a Netstumbler alternative which comes as default in Windows vista.
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Hernandez, Sébastien. "Evaluation et optimisation du mécanisme de Handhover dans un Réseau Local Sans Fil dédié aux applications à trafic contraint par le temps." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2006. http://tel.archives-ouvertes.fr/tel-00703274.

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Ce travail a pour contexte des applications industrielles où des mobiles communiquent via un réseau local sans fil. Nous avons élaboré une plate-forme où des mobiles collaborent via un réseau IEEE802.11 en mode infrastructure, les communications s'effectuent via des points d'accès (AP) auxquels les mobiles sont affiliés. Chaque AP gère une zone appelée cellule, les mobiles vont être à passer d'une cellule à une autre et s'affilier à différents AP. Ce mécanisme, appelé Handover génère un trafic de gestion, qui va perturber le trafic de collaboration des mobiles, et a un coût en temps pendant lequel le mobile va être isolé du réseau. Ces effets peuvent être désastreux dans des applications où le temps est un facteur critique. Nous proposons des solutions efficaces qui agissent sur la phase de recherche d'un nouvel AP, qui réduisent le trafic de gestion du handover et qui peuvent complétées par l'ajout d'une deuxième interface réseau sur chaque mobile
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Baey, Sébastien. "Contribution à la qualité de service d'une pile radio flexible pour la transmission de données multimédia en mode paquet sur interface radio UMTS WCDMA." Paris 11, 2004. http://www.theses.fr/2004PA112111.

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Cette thèse traite de l'intégration du trafic multimédia sur la voie montante de l'interface radio de l'UMTS. Le problème est abordé dans sa globalité, considérant à la fois les possibilités de partage de la ressource, une bonne caractérisation du trafic à transmettre et les possibilités ouvertes dans la norme UMTS. L'attention est plus particulièrement portée sur la vidéo MPEG4 et les données de type Internet. La première partie de la thèse dégage une approche du partage de ressource radio en mode WCDMA. Les performances du mécanisme de multiplexage de niveau couche physique avec qualité de transmission différenciée et l'impact du mécanisme d'adaptation de débit sont évalués. Cette analyse débouche sur la construction d'une fonction de coût pour l'estimation de la capacité cellulaire multiservice et la proposition d'une méthode d'équilibrage adaptatif de la qualité de transmission. La seconde partie de la thèse présente un nouveau modèle statistique pour le trafic vidéo MPEG4. Ce modèle consiste en une particularisation du processus DBMAP et permet d'évaluer analytiquement les performances de transmission à la traversée d'un système à file d'attente. La dernière partie de la thèse intègre l'ensemble de ces travaux pour aboutir à une stratégie d'ordonnancement coopérative multiplexant efficacement les paquets issus d'applications multimédia temps réel et non temps réel, dans le respect des contraintes d'intégrité et de retard. Une méthode analytique faisant appel à la théorie des files d'attente de type M/G/1 est fournie pour le calcul des retards subis par les paquets vidéo MPEG4 et les données lorsque cette stratégie est mise en œuvre au sein d'un réseau UMTS
This thesis deals with the integration of multimedia traffic on the uplink of the UMTS radio interface. The problem is tackled in its globality, considering jointly the resource sharing possibilities, a good characterization of the traffic to transmit and the possibilities opened in the UMTS standard. The attention is more particularly focused on MPEG4 video and data of the Internet type. The first part of the thesis provides an approach of radio resource sharing in WCDMA mode. The performances of the physical layer multiplexing mechanism with quality of transmission differentiation and the impact of the rate matching mechanism are evaluated. This analysis serves as a basis for the construction of a cost function for estimating the multiservice cellular capacity and the proposition of a quality of transmission adaptive balancing method. The second part of the thesis presents a new statistical model for MPEG4 video traffic. This model consists in a customization of the DBMAP process and allows evaluating the queueing performances analytically. The last part of the thesis integrates this set of works yielding a cooperative scheduling strategy that efficiently multiplexes the packets generated by real time and non real time multimedia applications while respecting the integrity and delay constraints. An analytical method based on M/G/1 type queueing systems theory is given for computing the delays incurred by MPEG4 video and data packets when this strategy is implemented in a UMTS network
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Books on the topic "Telecommunication Traffic Evaluation"

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Stout, Rick. Web site stats: Tracking hits and analyzing traffic. Berkeley, Calif: Osborne McGraw-Hill, 1997.

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GI/ITG Conference on Measuring, Modelling, and Evaluating Computing, and Communication Systems (12th 2004 Dresden, Germany). MMB & PGTS 2004: 12th GI/ITG Conference on Measuring, Modelling, and Evaluation of Computer and Communication Systems (MMB) together with 3rd Polish-German Teletraffic Symposium (PGTS), September 12-15, 2004, Dresden, Germany. Edited by Buchholz Peter Prof Dr, Lehnert R. (Ralf), Pióro Michał, and Polish-German Teletraffic Symposium (3rd : 2004 : Dresden, Germany). Berlin: VDE Verlag, 2004.

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Peter, Fletcher, ed. Practical Web traffic analysis: Standards, privacy, techniques, results. Birmingham: Glasshaus, 2002.

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ACM SIGCOMM Internet Measurement Workshop (1st 2001 San Francisco, Calif.). Proceedings of the First ACM SIGCOMM Internet Measurement Workshop: IMW 2001 : Alliance Francaise, San Francisco, California, USA, November 1-2, 2001. New York, N.Y: ACM Press, 2001.

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Dattatreya, G. R. Performance analysis of queuing and computer networks. Boca Raton: Chapman & Hall/CRC, 2008.

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Dattatreya, G. R. Performance analysis of queuing and computer networks. Boca Raton: CRC Press/Taylor & Francis, 2008.

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ACM SIGCOMM Internet Measurement Conference (4th 2004 Sicily, Italy). IMC 2004: Proceedings of the 2004 ACM SIGCOMM Internet Measurement Conference, Taormina, Sicily, Italy, October 25-27, 2004. New York, N.Y: ACM Press, 2004.

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ACM, SIGCOMM Internet Measurement Conference (6th 2006 Rio de Janeiro Brazil). Proceedings of the 2006 ACM SIGCOMM Internet Measurement Conference: IMC 2006, October 25-27, 2006, Rio de Janeiro, Brazil. New York, N.Y: Association for Computing Machinery, 2006.

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ACM SIGCOMM Internet Measurement Conference (7th 2007 San Diego, Calif.). IMC'07: Proceedings of the 2007 ACM SIGCOMM Internet Measurement Conference, San Diego, California, USA, October 24-26, 2007. New York, N.Y: Association for Computing Machinery, 2007.

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ACM SIGCOMM Internet Measurement Conference (7th 2007 San Diego, Calif.). IMC'07: Proceedings of the 2007 ACM SIGCOMM Internet Measurement Conference, San Diego, California, USA, October 24-26, 2007. New York, N.Y: Association for Computing Machinery, 2007.

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Book chapters on the topic "Telecommunication Traffic Evaluation"

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Kalinin, I. V., and L. A. Muravyeva-Vitkovskaya. "Evaluation of Functionality’s Efficiency in Priority Telecommunication Networks with Heterogeneous Traffic." In Communications in Computer and Information Science, 253–59. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30843-2_26.

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Chakka, Ram, and Tien Van Do. "Some New Markovian Models for Traffic and Performance Evaluation of Telecommunication Networks." In Network Performance Engineering, 642–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-02742-0_27.

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Secchi, Raffaello, Arjuna Sathiaseelan, and Gorry Fairhurst. "Evaluating Web Traffic Performance over DVB-RCS2." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 148–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36787-8_18.

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Andert, Franz, and Henning Mosebach. "LiDAR SLAM Positioning Quality Evaluation in Urban Road Traffic." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 277–91. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38822-5_19.

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Franze, Juliane, Dominique Seydel, Gereon Weiss, and Ulrich Haspel. "Evaluation of Traffic Control Systems as ITS Infrastructure for Automated Driving." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 205–14. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-93710-6_22.

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Kalalas, Charalampos, Francisco Vazquez-Gallego, and Jesus Alonso-Zarate. "Performance Evaluation of the Contention-Based Random Access of LTE Under Smart Grid Traffic." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 172–81. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61813-5_17.

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Yaqoob, Hammad, Craig Michie, Ivan Andonovic, Kae Hsiang Kwong, David Chieng, and Mazlan Abbas. "Best Effort Traffic Uplink Transmission Performance Evaluation of an Integrated EPON/IPACT and WiMAX (OFDMA) Architecture." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 316–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29157-9_31.

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Obreja, Şerban, Irinel Olariu, Alexey Baraev, and Eugen Borcoci. "Real Time Traffic Capabilities Evaluation of a Hybrid Testbed for WiMAX Networks with Smart Antenna Support." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 258–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29479-2_20.

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Chaoub, Abdelaali, and Elhassane Ibn-Elhaj. "Performance Evaluation of GSM Traffic Transmission over Cognitive Radio Networks under Opportunistic Spectrum Sharing Collisions." In Advances in Wireless Technologies and Telecommunication, 152–73. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-4715-2.ch009.

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Cognitive Radio networks and channel sharing are emerging as a new paradigm of communication in multimedia and wireless networks. In this chapter, the authors consider a secondary use application that consists of carrying TDMA traffic between the mobile and the base station for GSM networks over a Cognitive Radio network. Therefore, packets are not only lost by reason of Primary traffic interruptions, but the authors consider the opportunistic spectrum sharing which is the cornerstone of the Cognitive Radio concept as the major cause of collisions between several Secondary Users. The authors introduce their specific collision model, and they propose a solution consisting of the creation of many secondary user links with high reliability using a specific algorithm introduced here to alleviate traffic collisions. The authors evaluate the secondary traffic transmission performance in view of the Spectral Efficiency, and they outline the achieved gains of using the proposed solution. Finally, the authors highlight the recent trend in CR literature, which consists of leveraging the TV white spaces to deploy and enhance next generation cellular networks such as LTE.
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Ali, Ashraf A., and Khalid Al-Begain. "Session Initiation and IP Multimedia Subsystem Performance Evaluation." In Advances in Wireless Technologies and Telecommunication, 36–49. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2113-6.ch003.

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In this chapter analyses the overall system capacity and scalability which is affected by added traffic introduced by more users who are trying to access the system provided services. This could happen in a mission critical communication system during natural disaster or large scale attack, where the system accessibility could be affected due to the sudden increase of number of users. The need for a more detailed study of other SIP and IMS KPIs is vital to have a better understanding of the overall system performance which will enable us to take it a step further toward system performance enhancement and optimization to avoid single point of failure of the system.
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Conference papers on the topic "Telecommunication Traffic Evaluation"

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Boero, Luca, Marco Cello, Chiara Garibotto, Mario Marchese, and Maurizio Mongelli. "Management of non-conformant traffic in OpenFlow environments." In 2015 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS). IEEE, 2015. http://dx.doi.org/10.1109/spects.2015.7285293.

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Runge, Torsten M., Alexander Beifuss, and Bernd E. Wolfinger. "Low latency network traffic processing with commodity hardware." In 2015 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS). IEEE, 2015. http://dx.doi.org/10.1109/spects.2015.7285296.

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Santamaria, Amilcare Francesco, Cesare Sottile, Andrea Lupia, and Pierfrancesco Raimondo. "An efficient traffic management protocol based on IEEE802.11p standard." In 2014 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS). IEEE, 2014. http://dx.doi.org/10.1109/spects.2014.6880004.

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Saldana, Jose, Fernando Pascual, David de Hoz, Julian Fernandez-Navajas, Jose Ruiz-Mas, Diego R. Lopez, David Florez, Juan A. Castell, and Manuel Nunez. "Optimization of low-efficiency traffic in OpenFlow Software Defined Networks." In 2014 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS). IEEE, 2014. http://dx.doi.org/10.1109/spects.2014.6879992.

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Chemodanov, A. A., T. S. Klimov, O. A. Nesterenkov, and I. A. Pastushok. "Performance Evaluation of Web Traffic Transmission in Centralized Wireless Networks." In 2021 Wave Electronics and its Application in Information and Telecommunication Systems (WECONF). IEEE, 2021. http://dx.doi.org/10.1109/weconf51603.2021.9470601.

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Yuki Imanishi, Kenya Mori, Miki Yamamoto, Sachiko Taniguchi, Koji Sato, and Tetsuya Yokotani. "Performance evaluation of traffic reduction by source port specific multicast router." In 2008 7th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2008). IEEE, 2008. http://dx.doi.org/10.1109/apsitt.2008.4653564.

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Venskus, Julius, Mindaugas Kurmis, Arunas Andziulis, Zydrunas Lukosius, Miroslav Voznak, and Denisas Bykovas. "Self-learning adaptive algorithm for maritime traffic abnormal movement detection based on virtual pheromone method." In 2015 International Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS). IEEE, 2015. http://dx.doi.org/10.1109/spects.2015.7285281.

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Sondi, Patrick, Mohamed Kassab, Marina Aguado, Etienne Lemaire, and Marion Berbineau. "Toward a Common Platform for Simulation-Based Evaluation of Both Functional and Telecommunication Sub-Systems of the ERTMS." In 2012 Joint Rail Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/jrc2012-74049.

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The deployment of the European Rail Traffic Management System (ERTMS) in Europe will be mandatory on the major corridors, but this process will be long and expensive. Industry needs faster roll-out and a reduction in cost in order to obtain the certification and authorization to put equipment into service. New lab-testing tools for European Train Control System (ETCS) validation based on automatic testing could accelerate the process. In this work, we propose a co-simulation platform relaying on two existing tools: the ERTMS simulator that implements only the functional sub-system (ETCS) of ERTMS; and the OPNET simulator that allows modeling the whole telecommunication subsystem (GSM-R) from the Physical layer to higher layers, including the Euroradio interface. We describe a co-simulation protocol that determines how the results obtained from each simulator are reused as input in the other in order to take into account the impact of the functioning of one subsystem on the other. In this way, the problems related to radio propagation impairments, network load and electromagnetic interferences can be taken into account in ERTMS evaluation. Furthermore, some actors of the railway industry think about moving towards emerging technologies like LTE (4G Long Term Evolution). This platform will also allow evaluation of prospective technologies in the framework of ERTMS scenarios before costly real-world implementation.
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Menezes, Jose M. P., and Guilherme A. Barreto. "On recurrent neural networks for auto-similar traffic prediction: A performance evaluation." In 2006 International Telecommunications Symposium. IEEE, 2006. http://dx.doi.org/10.1109/its.2006.4433332.

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Poderys, Justas, and Jose Soler. "Evaluating application-layer traffic optimization cost metrics for P2P multimedia streaming." In 2017 25th Telecommunication Forum (TELFOR). IEEE, 2017. http://dx.doi.org/10.1109/telfor.2017.8249299.

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