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    Wyświetlanie 1-19 z 19
    Tytuł:
    With using fuzzy logic in the MANET
    Autorzy:
    Jelodar, H
    Aramideh, J
    Powiązania:
    https://bibliotekanauki.pl/articles/102997.pdf
    Data publikacji:
    2014
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    AODV routing protocol
    DSDV routing protocol
    fuzzy expert system
    MANET
    Opis:
    Mobile ad hoc networks have consisted of the nodes which are freely displaced. In other words, this network has dynamic topology. Routing protocols find route of forwarding data packets from the source node to the destination node. A routing protocol plays important role in finding the shortest time and the route path. In this paper, considering significance of the subject, attempt has been made to present a model using fuzzy logic approach to evaluate and compare two routing protocols i.e. AODV DSDV using effective factor of the number of nodes based on 2 outputs of delay and throughput rate (totally fuzzy system with four outputs) in order to select one of these two routing protocols properly under different conditions and based on need and goal. To show efficiency and truth of fuzzy system, two protocols have been evaluated completely equally using NS-2 simulator and attempt has been made to prove efficiency of the designed fuzzy system by comparing results of simulation of fuzzy system and NS-2 software.
    Źródło:
    Advances in Science and Technology. Research Journal; 2014, 8, 22; 19-25
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analytical review and study on multipath routing protocols
    Autorzy:
    More, Shivaprasad
    Naik, Udaykumar
    Powiązania:
    https://bibliotekanauki.pl/articles/2050101.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    multipath routing protocol
    Peak Signal to Noise Ratio
    geographic routing protocol
    Vehicular Ad Hoc Networks
    proactive routing protocol
    Opis:
    Vehicular Ad Hoc Networks (VANET) constitute a promising technology for Intelligent Transport Systems (ITS). VANET are highly dynamic in their nature because of the movements of vehicles, which are acting as nodes. The routing protocol must be designed for dealing with multiple limiting conditions, like link failures, handoffs, and long congestion periods, which is very challenging. The survey of different routing protocols in VANET provides a significant information for building smart ITS. Accordingly, the present survey is devoted to the existing distinct multipath routing protocols. This review article provides a detailed account on 50 research papers, presenting the different kinds of multipath routing protocols, namely proactive routing protocols, ad-hoc-based routing protocols, Greedy Perimeter Stateless Routing (GPSR), hybrid routing protocols, as well as geographic routing protocols. Besides the classification and cursory description, the present study addresses also several of the important parameters, like evaluation metrics, implementation tool, publication year, datasets utilized, Peak Signal to Noise Ratio (PSNR), and packet end-to-end delay with respect to various techniques considered. Eventually, the research gaps and issues of various multipath routing protocols are presented with the intention of pointing out directions for future research.
    Źródło:
    Control and Cybernetics; 2020, 49, 4; 369-391
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    HGRP: hybrid grid routing protocol for heterogeneous hierarchical wireless networks
    Autorzy:
    Shen, Y.
    Pei, Q.
    Xu, Q.
    Xi, N.
    Ma, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/206219.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    hybrid grid routing protocol
    mobile ad hoc networks
    heterogeneous wireless networks
    ad hoc on-demand distance vector routing protocol
    zone routing protocol
    Opis:
    The heterogeneous mobile terminals coexist in the next generation wireless networks. The most common routing schemes for mobile ad hoc networks are designed for homogeneous wireless networks. The heterogeneous wireless network routing protocols are needed urgently in many important applications. This paper improves the routing scheme utilizing different capability of terminals and the Hybrid Grid Routing Protocol (HGRP) is proposed. The network is organized in the grid form, that is, the network deployment area is divided into square cells according to the location. Each cell contains one backbone node and several ordinary nodes. This proposed protocol consists of four parts: grid construction, local routing, global routing, and routing correction. Analysis and simulation results indicate that the proposed protocol has the advantages of lower routing cost, lower energy consumption, smaller delay and higher throughput, compared to AODV and ZRP.
    Źródło:
    Control and Cybernetics; 2012, 41, 2; 353-371
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Authenticated Routing Protocol for Wireless Ad Hoc Network Based on Small World Model
    Autorzy:
    Wang, Daxing
    Xu, Leying
    Powiązania:
    https://bibliotekanauki.pl/articles/1844509.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    small world model
    wireless ad hoc network
    routing protocol
    authentication theory
    AODV routing protocol
    Opis:
    Compared with traditional cellular networks, wireless ad hoc networks do not have trusted entities such as routers, since every node in the network is expected to participate in the routing function. Therefore, routing protocols need to be specifically designed for wireless ad hoc networks. In this work, we propose an authenticated routing protocol based on small world model (ARSW). With the idea originating from the small world theory, the operation of the protocol we proposed is simple and flexible. Our simulation results show the proposed ARSW not only increases packet delivery ratio, but also reduces packet delivery delay. In particularly, Using authentication theory, the proposed ARSW improves communication security.
    Źródło:
    International Journal of Electronics and Telecommunications; 2021, 67, 3; 425-430
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Conventional energy efficient routing protocols in wireless sensor networks
    Autorzy:
    Al-Rawi, Muaayed F.
    Powiązania:
    https://bibliotekanauki.pl/articles/117843.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    WSN
    routing protocol
    energy efficient
    protokół routingu
    energooszczędność
    Opis:
    Wireless sensor network is a significant piece of wireless communication. It is a gathering of an enormous number of sensor nodes that are set in remote spots. The sensors have ability to do a typical undertaking. So energy exhaustion plays a significant job in keeping up a stable network. To build the system lifetime, a different energy effective algorithm is required which expands the network lifetime and makes the network more energy productive. For the augmenting, the lifetime of the network diverse routing technique has been utilized which help in expanding the lifetime of the network. This article portrays the diverse routing protocol which helps in energy efficient routing in a wireless sensor network.
    Źródło:
    Applied Computer Science; 2020, 16, 3; 80-87
    1895-3735
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Configurable Secured Adaptive Routing Protocol for Mobile Wireless Sensor Networks
    Autorzy:
    Alnaser, Ahmed
    Al-Junaid, Hessa
    Almesaeed, Reham
    Powiązania:
    https://bibliotekanauki.pl/articles/2134047.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    routing protocol
    mobile wireless sensor networks
    WSN
    security
    Opis:
    This paper aims at designing, building, and simulating a secured routing protocol to defend against packet dropping attacks in mobile WSNs (MWSNs). This research addresses the gap in the literature by proposing Configurable Secured Adaptive Routing Protocol (CSARP). CSARP has four levels of protection to allow suitability for different types of network applications. The protocol allows the network admin to configure the required protection level and the ratio of cluster heads to all nodes. The protocol has an adaptive feature, which allows for better protection and preventing the spread of the threats in the network. The conducted CSARP simulations with different conditions showed the ability of CSARP to identify all malicious nodes and remove them from the network. CSARP provided more than 99.97% packets delivery rate with 0% data packet loss in the existence of 3 malicious nodes in comparison with 3.17% data packet loss without using CSARP. When compared with LEACH, CSARP showed an improvement in extending the lifetime of the network by up to 39.5%. The proposed protocol has proven to be better than the available security solutions in terms of configurability, adaptability, optimization for MWSNs, energy consumption optimization, and the suitability for different MWSNs applications and conditions.
    Źródło:
    International Journal of Electronics and Telecommunications; 2022, 68, 3; 577--586
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analyze the Performance of Routing Protocols in Clustered Ad Hoc Networks: A Survey
    Autorzy:
    Parameswaran, T.
    Palanisamy, C.
    Bhagya devi, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1192154.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    MANET
    Clustering
    Routing Protocol
    Quality of Service
    Clustering algorithms
    Opis:
    A Mobile ad hoc network is a continuously self-forming, infrastructure-less network of mobile devices connected without wire. Routing protocols for Mobile ad hoc network are responsible for maintaining the routes in the network and have to ensure the reliable multi-hop communication. Many existing routing protocol approaches measures the performance of ad hoc networks. In ad hoc network faces some challenges like Qos, network congestion, data collision. Using clustering in MANET to avoid packet transmission delay, network congestion and packet loss, etc. This paper aims to provide a comprehensive study of the routing protocol performance in clustered ad hoc network.
    Źródło:
    World Scientific News; 2016, 45, 2; 252-263
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    LPAR: an adaptive routing strategy for MANETs
    Autorzy:
    Abolhasan, M.
    Wysocki, T. A.
    Dutkiewicz, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/307737.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    LPAR
    GPS-based routing protocol
    mobile ad hoc networks
    Opis:
    This paper presents a new global positioning system (GPS)-based routing protocol, called location-based point-to-point adaptive routing (LPAR) for mobile ad hoc networks. This protocol utilises a 3-state route discovery strategy in a point-to-point manner to reduce routing overhead while maximising throughput in medium to large mobile ad hoc networks. In LPAR, data transmission is adaptable to changing network conditions. This is achieved by using a primary and a secondary data forwarding strategy to transfer data from the source to the destination when the condition of the route is changed during data transmission. A simulation study is performed to compare the performance of LPAR with a number of different exisiting routing algorithms. Our results indicate that LPAR produces less overhead than other simulated routing strategies, while maintains high levels of throughput.
    Źródło:
    Journal of Telecommunications and Information Technology; 2003, 2; 28-37
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Performance analysis of reactive shortest path and multi-path routing mechanism with load balance
    Autorzy:
    Pham, P.P.
    Perreau, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/307735.pdf
    Data publikacji:
    2003
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    ad hoc networks
    load balance
    multi-path routing protocol
    overheads
    Opis:
    Research on multi-path routing protocols to provide improved throughput and route resilience as compared with single-path routing has been explored in details in the context of wired networks. However, multi-path routing mechanism has not been explored thoroughly in the domain of ad hoc networks. In this paper, we analyze and compare reactive single-path and multi-path routing with load balance mechanisms in ad hoc networks, in terms of overhead, traffic distribution and connection throughput. The results reveals that in comparison with general single-path routing protocol, multi-path routing mechanism creates more overheads but provides better performance in congestion and capacity, provided that the route length is within a certain upper bound which is derivable. The analytical results are further confirmed by simulation.
    Źródło:
    Journal of Telecommunications and Information Technology; 2003, 2; 38-47
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analysis of proactive & reactive protocols for cluster based routing algorithms in WSNs
    Autorzy:
    Mohammed, Ibrahim Yahia
    Powiązania:
    https://bibliotekanauki.pl/articles/1062952.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Clustering based
    Energy
    LEACH
    Proactive
    Reactive
    Routing protocol
    Sensors
    TEEN
    WSNs
    Opis:
    Wireless Sensor Networks (WSNs) are networks that consist of sensors which are randomly deployed in inaccessible area to gathering data and transfer it to user or base station. The most important matters considered in sensor networks are efficient utilization of energy, network lifetime, and environmental conditions changes. To provide the communication facilities within the network a routing protocol is used. There are many techniques used to route data in sensor networks, clustering based is one of most common techniques used, cluster based routing protocols can be classified to proactive and reactive protocol depending on how source finds a route to destination. This paper is aim to study and compare the two mechanisms in cluster based routing by discuss different characteristics in each mechanism, and also analyzed the performance of two mechanisms by take two exemplar protocols LEACH and TEEN from proactive and reactive mechanism respectively in order to compare the performance in same scenario and simulation parameters.
    Źródło:
    World Scientific News; 2019, 124, 2; 131-142
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation of reconfiguration problems in sensor networks using OMNeT++ software
    Autorzy:
    Dymora, P.
    Mazurek, M.
    Płonka, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/106238.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    sensor networks
    reallocation algorithm
    failure of network node
    network-layer protocol
    routing protocol
    OMNeT++
    Opis:
    The paper presents a comparative analysis of reallocation algorithms in a structure of wireless sensor network in the event of a failure of network nodes. The article contains detailed research results of wireless sensor networks technology, with particular emphasis on thte network-layer protocols - routing protocols. In the research the simulation environment OMNeT++ was used to study the properties of reconfiguration and reallocation problems in the wireless sensor networks.
    Źródło:
    Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica; 2013, 13, 1; 49-67
    1732-1360
    2083-3628
    Pojawia się w:
    Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pragmatic Distribution Based Routing Cluster to Improve Energy Efficient Cluster lifetime for Wireless Sensor Networks
    Autorzy:
    SV, Harish
    NV, Archan
    Powiązania:
    https://bibliotekanauki.pl/articles/27311930.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    cluster
    routing protocol
    Energy hole
    fitness function
    throughput
    energy delay
    hopping fairness
    Opis:
    Energy consumed by the sensor nodes are more sporadic in a sensor networks. A skilled way to bring down energy consumption and extend maximum life-time of any sensor present can be of evenly and unevenly distributed random area networks. Cluster heads are more responsible for the links between the source and destination. Energy consumption are much compare to member nodes of the network. Re-clustering will take place if the connectivity in the distributed network failure occurs in between the cluster networks that will affects redundancy in the network efficiency. Hence, we propose pragmatic distribution based routing cluster lifetime using fitness function (PDBRC) prototype is better than the existing protocol using MATLAB 2021a simulation tool.
    Źródło:
    International Journal of Electronics and Telecommunications; 2023, 69, 2; 353--360
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Scalable Multicast Routing Protocol for Mobile Ad-Hoc Networks
    Autorzy:
    Qabajeh, Liana Khamis
    Powiązania:
    https://bibliotekanauki.pl/articles/2142308.pdf
    Data publikacji:
    2022
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    ad-hoc network
    MAODV
    ODMRP
    position-based multicast routing protocol
    simulated performance evaluation
    Opis:
    The multicasting technique supports a variety of applications that require data to be instantaneously transmitted to a set of destination nodes. In environments with continuously moving nodes, such as mobile ad-hoc networks, the search for efficient routes from sources to the projected destinations is a common issue. Proposed Windmill protocol provides a scalable multicast solution for mobile ad-hoc networks. Windmill aims to improve routing protocol’s performance by introducing a hierarchal distributed routing algorithm and dividing the area into zones. Additionally, it attempts to demonstrate better scalability, performance and robustness when faced with frequent topology changes, by utilizing restricted directional flooding. A detailed and extensive simulated performance evaluation has been conducted to assess Windmill and compare it with multicast ad-hoc on-demand distance vector (MAODV) and on-demand multicast routing protocols (ODMRP). Simulation results show that the three protocols achieved high packet delivery rates in most scenarios. Results also show that Windmill is capable of achieving scalability by maintaining the minimum packet routing load, even upon increasing the nodes’ speed, the number of sources, the number of group members and the size of the simulated network. The results also indicate that it offers superior performance and is well suited for ad-hoc wireless networks with mobile hosts. The trade-off of using Windmill consists in slightly longer paths – a characteristic that makes it a good choice for applications that require simultaneous data transmission to a large set of nodes.
    Źródło:
    Journal of Telecommunications and Information Technology; 2022, 2; 58--74
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Kierowanie i przenoszenie wiadomości przez statki powietrzne w niespójnych sieciach DTN opierając się na informacjach o trasie lotu
    Message routing based on information about flight routes for delay tollerant networks
    Autorzy:
    Myśliński, Radosław
    Schoeneich, Radosław
    Powiązania:
    https://bibliotekanauki.pl/articles/1367382.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    ad-hoc networks
    DTN networks
    routing protocol
    message ferrying
    sieci ad-hoc
    sieci DTN
    protokół routingu
    przenoszenie informacji
    Opis:
    W artykule przedstawiono koncepcję protokołu routingu dla niespójnej, bezprzewodowej sieci DTN. Sieci DTN wykorzystują paradygmat składowania – przenoszenia i przekazywania wiadomości przy wykorzystaniu mobilnych węzłów-nośników. Zaproponowane rozwiązanie przeznaczone jest do działania w środowisku, gdzie rolę węzłów przenoszących wiadomości pełnią statki powietrzne. W rozwiązaniu przewidziano brak standardowych możliwości komunikacji oraz wykorzystanie predefiniowanych informacjach o trasie i czasie przemieszczania się statków powietrznych, tzw. planach lotu.
    The paper presents routing protocol designed for wireless Delay and Disruptive Tollerant Networks (DTN). The DTN network uses the storage-carry-forward paradigm for message delivery to the destination nodes using mobile message ferries. The proposed solution is designed to operate in a specific environment, where aircrafts are playing the role of message carriers. For the algorithm purpose, we assume the use of pre-defined information about the routes and time of airplanes movement, so-called flight plans. Additionally we assume no other communication possibilities.
    Źródło:
    Zeszyty Naukowe. Studia Informatica; 2015, 36; 165-175
    0867-1753
    Pojawia się w:
    Zeszyty Naukowe. Studia Informatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A routing protocol for wireless network of bedside monitors in fetal surveillance system
    Autorzy:
    Seredynski, R.
    Horoba, K.
    Roj, D.
    Bernys, M.
    Przybyla, T.
    Jezewski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/333626.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
    Tematy:
    monitorowanie płodu
    tętno płodu
    sieci bezprzewodowe
    protokoły rutowania
    symulacja
    fetal monitoring
    fetal heart rate
    wireless networks
    routing protocol
    simulation
    Opis:
    The paper presents the methodology of wireless network design, developed according to the requirements originating from existing wired fetal surveillance systems. The proposed network structure is based on popular radio frequency modules, operating in 433/866MHz band. The described solution is a simple and cost effective alternative to the wired networks, and it will vastly increase the mobility of fetal monitors. The authors also describe software tools which were designed for this purpose and the results of simulations performed on their basis.
    Źródło:
    Journal of Medical Informatics & Technologies; 2012, 21; 27-33
    1642-6037
    Pojawia się w:
    Journal of Medical Informatics & Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Enhancing IoT Performance via Using Mobility Aware for Dynamic RPL Routing Protocol Technique (MA-RPL)
    Autorzy:
    Zarzoor, Ahmed R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2055261.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    internet of things
    IoTs
    routing protocol for low power and lossy networks
    RPL
    mobility aware
    MA-RPL
    time difference of arrival
    TDoA
    Opis:
    Nodes' aware-mobility in the Internet of Things (IoTs) stills open defy for researchers, due to the dynamic changing of routing path and networks’ resource limitations. Therefore, in this study a new method is proposed called Mobility Aware - “Routing Protocol for Low power and Lossy Networks” (MARPL), that consists of two phases: in the first phase splitting the entire network into sub areas based on reference nodes with “Time Difference of Arrival” (TDoA) technique. While, the second phase, is about managing mobile nodes (MNs) in RPL according to the sub areas' ID. The Cooja simulator software has been used to implement and assess MA-RPL method performance, according to the data packet metrics (lost packet, packet delivery ratio PDR), latency and nodes' power usage in comparison with two methods: Corona (Co-RPL) and Mobility Enhanced (ME-RPL). The simulation results have been shown that the MA-RPL method consumes less nodes' energy usage, gives less latency with minimum data packet loss in comparison with Co-RPL and MERPL.
    Źródło:
    International Journal of Electronics and Telecommunications; 2022, 68, 2; 187--191
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis and choice of routing protocols in wireless Ad Hoc networks based on the use the neural network
    Analiza i wybór protokołów routingu w sieciach bezprzewodowych Ad-Hoc w oparciu o sieci neuronowe
    Autorzy:
    Оksiiuk, Oleksandr
    Krotov, Vadym
    Powiązania:
    https://bibliotekanauki.pl/articles/408327.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
    Tematy:
    routing protocol
    wireless Ad Hoc network
    throughput of network
    neural network
    network of special appointment
    protokół routingu
    bezprzewodowa sieć Ad-Hoc
    sieć neuronowa
    sieć dedykowana
    sieć specjalnego przeznaczenia
    Opis:
    In the past few years, we have seen a rapid expansion in the field of mobile computing due to the proliferation of inexpensive, widely available wireless devices. However, current devices, applications and protocols are solely focused on cellular or wireless local area networks (WLANs), not taking into account the great potential offered by ad hoc networking. Ad hoc networks are wireless mobile networks that can operate without infrastructure and without centralized network management. In such networks, the wireless mobile nodes may dynamically enter the network as well as leave the network. Mobility and dynamic topology are the main characteristics of ad hoc networks. In the last years, the hundreds of new routing protocols were designed, that are used for the various scenarios of this design space. The routing features in wireless ad hoc networks are described. The corresponding routing protocols are reviewed. The paper proposes a method for selecting the preferred protocol wireless networks using the mathematical tools of neural networks.
    Obecnie intensywnie rozwija się kierunek naukowy w zakresie budowy sieci telekomunikacyjnych o zmiennej topologii z wykorzystaniem urządzeń bezprzewodowych. Jednak istniejące urządzenia i protokoły koncentrują się wyłącznie na komórkowe lub bezprzewodowe lokalne sieci (WLAN), niezależnie od potencjału sieci Ad-Hoc. Sieci Ad-Hoc są to sieci bezprzewodowe, które mogą pracować bez infrastruktury i bez scentralizowanego zarządzania siecią. W takich sieciach węzły mogą dynamicznie poruszać się po sieci. Mobilność oraz dynamiczna topologia to kluczowe cechy sieci AdHoc. W ostatnich latach opracowano wiele protokołów dla sieci Ad-Hoc zaprojektowanych dla różnych scenariuszy organizacji routingu. Opisano funkcje routingu w sieciach bezprzewodowych Ad-Hoc i przedstawiono przegląd odpowiednich protokołów routingu. W artykule zaproponowano metodę wyboru protokołu sieci bezprzewodowej z wykorzystaniem matematycznego aparatu sieci neuronowych.
    Źródło:
    Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska; 2019, 9, 1; 53-56
    2083-0157
    2391-6761
    Pojawia się w:
    Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of RIP-V1 and OSPF-V2 protocol with consideration of convergence criteria and sending protocols traffic
    Autorzy:
    Jelodar, H
    Nikravesh, P
    Powiązania:
    https://bibliotekanauki.pl/articles/102613.pdf
    Data publikacji:
    2014
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    dynamic routing protocols
    OSPF protocol
    RIP protocol
    Opis:
    Routing Protocols are underlying principles in networks like internet, transport and mobile. Routing Protocols include a series of rules and algorithms that consider routing metric and select the best way for sending healthy data packets from origin to destination. Dynamic routing protocol compatible to topology has a changeable state. RIP and OSPF are dynamic routing protocol that we consider criteria like convergence and sending protocols traffic assessment RIP first version and OSPF second version. By the test we have done on OPNET stimulation we understood that the OSPF protocol was more efficient than RIP protocol.
    Źródło:
    Advances in Science and Technology. Research Journal; 2014, 8, 21; 1-4
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Organizacja domen rutingowych w taktycznych sieciach łączności
    Organization of routing domains in tactical communication networks
    Autorzy:
    Kubera, E.
    Amanowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/208591.pdf
    Data publikacji:
    2011
    Wydawca:
    Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
    Tematy:
    mobilne sieci taktyczne
    ruting dynamiczny
    protokół PNNI
    TACOMS Post 2000
    symulacja komputerowa
    mobile tactical network
    dynamic routing
    PNNI protocol
    computer simulation
    Opis:
    The method of routing domains' organization that ensures reduction of the number of transmitted routing information in the national component of tactical communication network and provides acceptable convergence time of routing algorithm was depicted in this article. Particularly, procedures of dividing the system into routing domains, principles of selection of nodes for routing domains and procedure of selection of routing domains' leaders were presented. The article contains description of simulation tests and presents the results of experiments that confirmed the effectiveness of the solution proposed by authors. The proposed method could be used in the process of tactical communication networks planning.
    W artykule omówiono metodę organizacji domen rutingowych zapewniającą ograniczenie ilości informacji służbowych przekazywanych w narodowym komponencie taktycznej sieci łączności oraz akceptowalny czas zbieżności algorytmu marszrutyzacji. Skupiono się na przedstawieniu procedur podziału systemu na domeny rutingowe, reguły doboru węzłów do poszczególnych domen oraz procedury wyboru lidera domeny rutingowej. Artykuł zawiera także opis badania symulacyjnego oraz prezentuje wyniki eksperymentów, które w pełni potwierdziły skuteczność rozwiązania zaproponowanego przez autorów. Opracowana metoda może być z powodzeniem wykorzystywana w procesie planowania taktycznych sieci łączności.
    Źródło:
    Biuletyn Wojskowej Akademii Technicznej; 2011, 60, 1; 15-27
    1234-5865
    Pojawia się w:
    Biuletyn Wojskowej Akademii Technicznej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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