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Статті в журналах з теми "Protocole de routage multi-sauts"
Krouwer, Jan S. "Multi-factor designs. IV. How multi-factor designs improve the estimate of total error by accounting for protocol-specific biases." Clinical Chemistry 37, no. 1 (January 1, 1991): 26–29. http://dx.doi.org/10.1093/clinchem/37.1.26.
Повний текст джерелаTian, Qi Ming. "A Novel Routing Protocol Based on the Channel Load Similarity for Multi-Interface Wireless Mesh Networks." Advanced Engineering Forum 1 (September 2011): 81–85. http://dx.doi.org/10.4028/www.scientific.net/aef.1.81.
Повний текст джерелаZUO, JING, XUEFEN CHI, LIN GUAN, HONGXIA LI, and IRFAN AWAN. "DESIGN OF FUZZY BASED MULTI-CONSTRAINED ROUTING PROTOCOL AND THE PERFORMANCE EVALUATION." Journal of Interconnection Networks 09, no. 04 (December 2008): 369–87. http://dx.doi.org/10.1142/s0219265908002333.
Повний текст джерелаTahir, Sabeen, Ghadah Abdullah Aldabbagh, Sheikh Tahir Bakhsh, and Abass Md Said. "Hybrid Congestion Sharing and Route Repairing Protocol for Bluetooth Networks." WSEAS TRANSACTIONS ON COMPUTERS 20 (April 27, 2021): 49–55. http://dx.doi.org/10.37394/23205.2021.20.6.
Повний текст джерелаSaini, Trilok Kumar, and Subhash C. Sharma. "Context aware Routing to Assist Routing Decisions for Quality Improvement in Multi Hop Ad hoc Networks." Defence Science Journal 71, no. 1 (February 1, 2021): 46–54. http://dx.doi.org/10.14429/dsj.71.16067.
Повний текст джерелаAhmed, Mukhtiar, Mazleena Salleh, M. Ibrahim Channa, and Mohd Foad Rohani. "RMEER: Reliable Multi-path Energy Efficient Routing Protocol for Underwater Wireless Sensor Network." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (December 1, 2018): 4366. http://dx.doi.org/10.11591/ijece.v8i6.pp4366-4373.
Повний текст джерелаGuarch, Rosa, Jesús M. Cortés, Charles H. Lawrie, and José I. López. "Multi-site tumor sampling (MSTS) improves the performance of histological detection of intratumor heterogeneity in clear cell renal cell carcinoma (CCRCC)." F1000Research 5 (August 17, 2016): 2020. http://dx.doi.org/10.12688/f1000research.9419.1.
Повний текст джерелаGuarch, Rosa, Jesús M. Cortés, Charles H. Lawrie, and José I. López. "Multi-site tumor sampling (MSTS) improves the performance of histological detection of intratumor heterogeneity in clear cell renal cell carcinoma (CCRCC)." F1000Research 5 (September 16, 2016): 2020. http://dx.doi.org/10.12688/f1000research.9419.2.
Повний текст джерелаKute, V. B., and M. U. Kharat. "Analysis of Quality of Service for the AOMDV Routing Protocol." Engineering, Technology & Applied Science Research 3, no. 1 (February 11, 2013): 359–62. http://dx.doi.org/10.48084/etasr.105.
Повний текст джерелаMishra, Priyank, and Brajesh Kumar Tiwari. "Reduction in Path Failures by Adopting Multi-Channel Multi -Path in Routing For Dynamic Activity of Primary Users." International Journal of Engineering & Technology 7, no. 4.5 (September 22, 2018): 233. http://dx.doi.org/10.14419/ijet.v7i4.5.20076.
Повний текст джерелаДисертації з теми "Protocole de routage multi-sauts"
Amadou, Ibrahim. "Protocoles de routage sans connaissance de voisinage pour réseaux radio multi-sauts." Phd thesis, INSA de Lyon, 2012. http://tel.archives-ouvertes.fr/tel-00763865.
Повний текст джерелаDoghri, Inès. "Stratégies de routage multi-chemin dans les réseaux sans fil multi-sauts." Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2012. http://tel.archives-ouvertes.fr/tel-00828394.
Повний текст джерелаMedjiah, Samir. "Optimisation des protocoles de routage dans les réseaux multi-sauts sans fil à contraintes." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14663/document.
Повний текст джерелаGreat research efforts have been carried out in the field of challenged multihop wireless networks (MWNs). Thanks to the evolution of the Micro-Electro-Mechanical Systems (MEMS) technology and nanotechnologies, multihop wireless networks have been the solution of choice for a plethora of problems. The main advantage of these networks is their low manufacturing cost that permits one-time application lifecycle. However, if nodes are low-costly to produce, they are also less capable in terms of radio range, bandwidth, processing power, memory, energy, etc. Thus, applications need to be carefully designed and especially the routing task because radio communication is the most energy-consuming functionality and energy is the main issue for challenged multihop wireless networks.The aim of this thesis is to analyse the different challenges that govern the design of challenged multihop wireless networks such as applications challenges in terms of quality of service (QoS), fault-tolerance, data delivery model, etc., but also networking challenges in terms of dynamic network topology, topology voids, etc. Our contributions in this thesis focus on the optimization of routing under different application requirements and network constraints. First, we propose an online multipath routing protocol for QoS-based applications using wireless multimedia sensor networks. The proposed protocol relies on the construction of multiple paths while transmitting data packets to their destination, i.e. without prior topology discovery and path establishment. This protocol achieves parallel transmissions and enhances the end-to-end transmission by maximizing path bandwidth and minimizing the delays, and thus meets the requirements of QoS-based applications. Second, we tackle the problem of routing in mobile delay-tolerant networks by studying the intermittent connectivity of nodes and deriving a contact model in order to forecast future nodes' contacts. Based upon this contact model, we propose a routing protocol that makes use of nodes' locations, nodes' trajectories, and inter-node contact prediction in order to perform forwarding decisions. The proposed routing protocol achieves low end-to-end delays while using efficiently constrained nodes' resources in terms of memory (packet queue occupancy) and processing power (forecasting algorithm). Finally, we present a topology control mechanism along a packet forwarding algorithm for event-driven applications using stationary wireless sensor networks. Topology control is achieved by using a distributed duty-cycle scheduling algorithm. Algorithm parameters can be tuned according to the desired node's awake neighbourhood size. The proposed topology control mechanism ensures trade-off between event-reporting delay and energy consumption
Jerbi, Moez. "Protocoles pour les communications dans les réseaux de véhicules en environnement urbain : routage et geocast basés sur les intersections." Thesis, Evry-Val d'Essonne, 2008. http://www.theses.fr/2008EVRY0016/document.
Повний текст джерелаInter-Vehicle Communication (IVC) is attracting considerable attention from the research community and the automotive industry, where it is beneficial in providing Intelligent Transportation System (ITS) as well as assistant services for drivers and passengers. In this context, Vehicular Networks are emerging as a novel category of wireless networks, spontaneously formed between moving vehicles equipped with wireless interfaces that could have similar or different radio interface technologies, employing short-range to medium-range communication systems. The distinguished characteristics of vehicular networks such as high mobility, potentially large scale, and network partitioning introduce several challenges, which can greatly impact the future deployment of these networks. In this thesis, we focus on inter-vehicle communication in urban environments. Our main goal is to propose new routing and dissemination algorithms, which efficiently adapts to the vehicular networks characteristics and applications. Temporary disconnection in vehicular network is unavoidable. It is thereby of imminent practical interest to consider the vehicular traffic density. Therefore, at first, we propose a completely distributed and infrastructure–free mechanism for city road density estimation. Then, and based on such traffic information system, we propose a novel intersection-based geographical routing protocol, capable to find robust and optimal routes within urban environments. Finally, in order to help the efficient support of dissemination-based applications, a self-organizing mechanism to emulate a geo-localized virtual infrastructure is proposed, which can be deployed in intersections with an acceptable level of vehicular density. The advocated techniques are evaluated by a combination of network simulation and a microscopic vehicular traffic model
Cunha, Daniel De Oliveira. "Réseaux sans fil multi-sauts : protocoles à applications spécifiques et routage orienté vers la diversité coopérative." Paris 6, 2008. http://www.theses.fr/2008PA066646.
Повний текст джерелаMoad, Dalil. "Contribution à l'amélioration de la qualité de service dans les réseaux sans-fil multi-sauts." Thesis, Sorbonne Paris Cité, 2015. http://www.theses.fr/2015PA05S010.
Повний текст джерелаIEEE 802.11 based wireless networks are considered the cornerstone of autonomous communication systems. These networks allow users to communicate with each others via base stations deployed in specic locations through a set of dedicated communication protocols like Ad Hoc routing protocols. The IEEE 802.11 standard proposes specications for both physical and MAC layers of the OSI model. MAC layer denes dierent types of access to the wireless medium as explained below. The DCF (Distributed Coordination Function) mechanism, in which the access to the medium is executed localy in each station. The PCF (Point Coordination Function) method, unlike DCF mechanism the access the medium is managed by a central unit. The most widespread mechanism among them is the DCF mode as it does not require any infrastructure deployment. To improve the Quality of Service (QoS) oered to the dierent applications in multihop wireless networks, this thesis proposes original solutions to enhance the eciency of certain protocols in two dierent layers of OSI, i.e., routing and MAC layers. More specically, our proposed solutions enable higher eciency of OLSR protocol and ensure more ecient usage of the available bandwidth through the designed Padovan based medium access scheme operating in DCF mode. The routing approach used in OLSR is improved by applying the conict graphs to acquire more accurate estimation of the bandwidth shared with the adjacent nodes. At MAC layer, the number of collisions in dense networks is signicantly reduced by designing new backo scheme dubbed Padovan Backo Algorithm (BEB)
Nguyen, Thuc Hai. "Developpement et realisation d'un logiciel x25 paquet multi-interface : etude du routage pour l'interconnexion de reseaux." Paris 6, 1987. http://www.theses.fr/1987PA066022.
Повний текст джерелаBen, Nacef Ahmed. "Relais coopératifs dans un réseau de capteurs : performances limites et stratégies." Thesis, Toulouse, INPT, 2011. http://www.theses.fr/2011INPT0098/document.
Повний текст джерелаWireless sensor networks (WSN) have known a great development during the last decade. They intervene in all the domain of our everyday life to make it easier. Despite the success of WSN several problems have to be solved. The restricted energy capacity and the randomness of the wireless channel seriously affect the performances of the WSN. Cooperative communication represents an efficient solution to reduce the instability of the wireless channel and to optimize energy. In this thesis we propose to use cooperative communications at the MAC and network layer in order to set up a cooperative access to the channel and to establish more robust routing paths
Mortada, Mohamad Rida. "Multi-hop routing for cognitive radio sensor network." Thesis, Brest, École nationale supérieure de techniques avancées Bretagne, 2021. http://www.theses.fr/2021ENTA0010.
Повний текст джерелаThe Wireless Sensor Network (WSN) consists of a large number of tiny devices called nodes, and these nodes are generally limited in power and they are randomly deployed in a geographical area for monitoring purpose. Because of the large number of nodes in the WSN, their demand on the frequency resources becomes a real challenge due to the spectrum scarcity. Cognitive Radio (CR) was introduced to enhance the spectral efficiency. The CR classifies users into the Primary User (PU) that holds a license over a spectrum bandwidth, and the Secondary User (SU), i.e., an opportunistic user. The integration of CR into WSN results in a cognitive radio sensor network (CRSN). In CRSN, the nodes behave as SUs. However,the adoption of CRSN may face several challenges. Indeed, network nodes may stop transmitting to avoid any harmful interference for PU. In addition, energy consumption constraint should be respected. Other features may be impacted by the adoption of CRSN, such as the clustering process and the in-network data aggregation, especially in a multi-hop routing based CRSN. In this manuscript, we tackle the challenges of the CRSN from different levels. Firstly, clustering nodes enhances network efficiency. In practice, grouping the network nodes saves energy during data transmission. Thus, we investigate the optimal number of clusters in the network based on energy consumption during data transmission and spectrum sensing to extend network lifespan. Then, we present LIBRO, a new uplink multi-hop routing protocol based on the geographical location information. LIBRO ensures delivery of rectified data packets in dense networks without knowledge of topology or path nodes. Finally, we used LIBRO and the energy harvesting technique to extend the CRSN's lifespan. Thus, by solving an optimization problem jointing the collision probability, energy consumption, packet delivery delay and packet delivery ratio, the appropriate parameters are found
Hadded, Mohamed. "Design and optimization of access control protocols in Vehicular Ad Hoc Networks (VANETs)." Thesis, Evry, Institut national des télécommunications, 2016. http://www.theses.fr/2016TELE0023/document.
Повний текст джерелаRoad crashes and their damages represent a serious issue and are one of the main causes of people death. In this context, Vehicular Ad hoc NETworks (VANETs) are deployed to reduce the risk of road accident as well as to improve passengers’ comfort by allowing vehicles to exchange different kinds of data which ranges widely from road safety and traffic management to infotainment. Nowadays, safety applications are receiving a great deal of attention from researchers as well as from automobile manufacturers. In this thesis, we particularly focus on safety-critical applications, designed to provide drivers assistance in dangerous situations and to avoid accidents in highway environments. Such applications must guarantee to the vehicles access to the medium and have strict requirements regarding end-to-end delay and packet loss ratio. Therefore, our main goal is to propose new medium access control and routing protocols, which can efficiently adapt to frequent changing VANET network topologies. After a comprehensive overview of free-contention MAC protocols, we propose several solutions, based on Time Division Multiple Access Technique (TDMA). We have designed DTMAC, a fully distributed TDMA-based MAC protocol, which does not rely on an expensive infrastructure. DTMAC uses vehicles’ locations and a slot reuse concept to ensure that vehicles in adjacent areas have collision-free schedule. Using simulations, we prove that DTMAC provides a lower rate of access and merging collisions than VeMAC, a well-known TDMA based MAC protocol in VANET. Then, in order to ensure that event-driven safety messages can be sent over a long distance, we propose TRPM, a TDMA aware Routing Protocol for Multi-hop communication. Our routing scheme is based on a cross layer approach between the MAC and the routing layers, in which the intermediate vehicles are selected using TDMA scheduling information. Simulation results show that TRPM provides better performances in terms of average end-to-end delay, average number of hops and average delivery ratio. In the second part, we focus on coordinator-based TDMA scheduling mechanisms. First, we propose the Centralized TDMA based MAC protocol (CTMAC) which uses Road Side Units (RSUs) as a central coordinator to create and maintain the TDMA schedules. CTMAC implements an Access Collision Avoidance mechanism that can prevent the access collision problem occurring more than twice between the same vehicles that are trying to access the channel at the same time. Using simulation we show an improvement in terms of access and merging collisions as well as the overhead required to create and maintain the TDMA schedules compared to distributed scheduling mechanisms. However, in the CTMAC protocol, fast moving vehicles will need to compete for new slots after a short period of time when they leave their current RSU area, which makes a centralized scheduling approach very expensive. In order to further improve the performance of coordinator-based TDMA scheduling mechanisms, we focus on cluster-based TDMA MAC protocols in which some vehicles in the network are elected to coordinate the channel access, allowing the vehicles to remain connected with their channel coordinator for a longer period of time. To this end, first we propose an adaptive weighted clustering protocol, named AWCP, which is road map dependent and uses road IDs and vehicle directions to make the clusters’ structure as stable as possible. Then, we formulate the AWCP parameter tuning as a multi-objective problem and we propose an optimization tool to find the optimal parameters of AWCP to ensure its QoS. Next, we propose ASAS, an adaptive slot assignment strategy for a cluster-based TDMA MAC protocol. This strategy is based on a cross layer approach involving TDMA and AWCP. The objective is to overcome the inter-cluster interference issue in overlapping areas by taking into account vehicles’ locations and directions when the cluster head assign slots
Книги з теми "Protocole de routage multi-sauts"
Fancourt, Daisy. Writing a research protocol. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198792079.003.0011.
Повний текст джерелаЧастини книг з теми "Protocole de routage multi-sauts"
Kim, Kyung-jun, and Ki-jun Han. "A Multi-channel MAC Protocol with Route Relay Capability for Mobile Ad Hoc Networks." In Embedded and Ubiquitous Computing, 429–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-30121-9_41.
Повний текст джерелаFei, Kuang-Han, Sheng-Yan Chuang, and Sheng-De Wang. "A Power-Aware Routing Protocol Using Multi-Route Transmission for Mobile Ad Hoc Networks." In Emerging Directions in Embedded and Ubiquitous Computing, 540–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11807964_55.
Повний текст джерелаKim, Kyung-jun, Jin-nyun Kim, and Ki-jun Han. "A Multi-channel Route Relay Protocol for Path Breakage and Inter-channel Interference in Mobile Ad Hoc Networks." In Universal Multiservice Networks, 206–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-30197-4_21.
Повний текст джерелаPalani, Ezhilarasu Umadevi, R. P. Mahapatra, P. Karthik Kumar, and S. Karthick. "An Investigation on Route Identification Through the Dynamic Source Routing Protocol in Multi-hop Wireless Mobile Ad-Hoc Networks." In Proceedings of 6th International Conference on Recent Trends in Computing, 831–39. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4501-0_77.
Повний текст джерелаSubathra, P., and S. Sivagurunathan. "Secure Route Discovery in DSR against Black Hole Attacks in Mobile Ad Hoc Networks." In Next Generation Data Communication Technologies, 125–43. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-61350-477-2.ch006.
Повний текст джерелаHuang, Lican. "Virtual Hierarchical Tree Grid Organizations (VIRGO)." In Handbook of Research on P2P and Grid Systems for Service-Oriented Computing, 711–31. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-686-5.ch030.
Повний текст джерелаSubramaniam, Prabhakar Rontala. "An Adaptive Fuzzy-Based Service-Oriented Approach with QoS Support for Vehicular Ad Hoc Networks." In Handbook of Research on Fuzzy and Rough Set Theory in Organizational Decision Making, 137–67. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1008-6.ch007.
Повний текст джерелаMantle, T. J., and D. A. Harris. "Spectrophotometric assays." In Spectrophotometry and Spectrofluorimetry. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780199638130.003.0011.
Повний текст джерелаТези доповідей конференцій з теми "Protocole de routage multi-sauts"
Ye Hanmin, Sun Qianting, and Song Zihang. "Research of two-way route redistribution based on multi-protocol." In 2014 IEEE Workshop on Advanced Research and Technology in Industry Applications (WARTIA). IEEE, 2014. http://dx.doi.org/10.1109/wartia.2014.6976472.
Повний текст джерелаRishiwal, Vinay, Omkar Singh, Sudeep Tanwar, Sudhanshu Tyagi, Ishan Budhiraja, Neeraj Kumar, and Mohammad S. Obaidat. "Base Station Oriented Multi Route Diversity Protocol for Wireless Sensor Networks." In 2018 IEEE Globecom Workshops (GC Wkshps). IEEE, 2018. http://dx.doi.org/10.1109/glocomw.2018.8644227.
Повний текст джерелаHuang, Chao, Yunqing Fu, Mingyang Zhong, and Chengguo Yin. "Multi-channel Wireless Sensor Network MAC protocol based on dynamic route." In 2011 International Conference on Multimedia Technology (ICMT). IEEE, 2011. http://dx.doi.org/10.1109/icmt.2011.6001686.
Повний текст джерелаFareed, M. S., N. Javaid, S. Ahmed, S. Rehman, U. Qasim, and Z. A. Khan. "Analyzing Energy-Efficiency and Route-Selection of Multi-level Hierarchal Routing Protocols in WSNs." In 2012 Seventh International Conference on Broadband and Wireless Computing, Communication and Applications (BWCCA). IEEE, 2012. http://dx.doi.org/10.1109/bwcca.2012.109.
Повний текст джерелаSeel, Kevin, Massimo Dragan, Moise Coulombe-Pontbriand, Colleen Simpson Laird, and Curtis Campbell. "A Spatial Multi-Criteria Analysis Process to Optimize and Better Defend the Pipeline Route Selection Process." In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33221.
Повний текст джерелаLian, Jin, Layuan Li, and Xiaoyan Zhu. "A Multi-constraint QoS Routing Protocol with Route-Request Selection Based on Mobile Predicting in MANET." In 2007 International Conference on Computational Intelligence and Security Workshops (CISW 2007). IEEE, 2007. http://dx.doi.org/10.1109/cisw.2007.4425505.
Повний текст джерелаCao Trong Hieu and Choong Seon Hong. "A new routing protocol with high throughput route metric for Multi-Rate Mobile Ad-hoc Networks." In Metropolitan Area Networks (LANMAN). IEEE, 2010. http://dx.doi.org/10.1109/lanman.2010.5507158.
Повний текст джерелаCullen, John J., and Hugh L. MacIntyre. "The case for using the Most Probable Number (MPN) method in ballast water management system type approval testing." In IMarEST Ballast Water Technology Conference. IMarEST, 2017. http://dx.doi.org/10.24868/bwtc6.2017.010.
Повний текст джерела