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Author: Hayder Majid Abdulhameed Alash Publisher: ISBN: Category : Ad hoc networks (Computer networks) Languages : en Pages : 81
Book Description
A Mobile ad hoc network (MANET) is a set of wireless mobile devices which are connected together without using any infrastructure. The mobility of devices in MANET continuously changes the network topology and that makes routing between devices more complicated. Examples of such networks include networks for trucks on interstate highways, remote environmental and animal-movement outposts, wireless military battlefield networks that connect troops, aircraft, satellites, and sensors on land and in water, and Interplanetary networks. Three factors significantly influence the end-to-end performance in terms of Quality of Service (QoS); (i) mobility pattern/model, (ii) underlying routing algorithm and (iii) traffic patterns. While several theoretical models exist to describe mobility, traffic pattern, and routing algorithms, developing a model to collectively incorporate mobility, routing, and traffic is intractable. In this thesis, we intend to develop simulation models that bring these three factors together and measure applications performance in terms of end-to-end throughput (bit rate), latency, and jitter. Three classes of MANET routing algorithms (Proactive, Reactive, and Hybrid), two mobility models (Random Waypoint and Group), and three classes of traffic patterns (constant bit rate, variable bit rate, and random) have been investigated. Our result shows the relationship between these parameters and determines which routing algorithm is suitable for specific mobility model and specific traffic pattern.
Author: Hayder Majid Abdulhameed Alash Publisher: ISBN: Category : Ad hoc networks (Computer networks) Languages : en Pages : 81
Book Description
A Mobile ad hoc network (MANET) is a set of wireless mobile devices which are connected together without using any infrastructure. The mobility of devices in MANET continuously changes the network topology and that makes routing between devices more complicated. Examples of such networks include networks for trucks on interstate highways, remote environmental and animal-movement outposts, wireless military battlefield networks that connect troops, aircraft, satellites, and sensors on land and in water, and Interplanetary networks. Three factors significantly influence the end-to-end performance in terms of Quality of Service (QoS); (i) mobility pattern/model, (ii) underlying routing algorithm and (iii) traffic patterns. While several theoretical models exist to describe mobility, traffic pattern, and routing algorithms, developing a model to collectively incorporate mobility, routing, and traffic is intractable. In this thesis, we intend to develop simulation models that bring these three factors together and measure applications performance in terms of end-to-end throughput (bit rate), latency, and jitter. Three classes of MANET routing algorithms (Proactive, Reactive, and Hybrid), two mobility models (Random Waypoint and Group), and three classes of traffic patterns (constant bit rate, variable bit rate, and random) have been investigated. Our result shows the relationship between these parameters and determines which routing algorithm is suitable for specific mobility model and specific traffic pattern.
Author: Salim Bitam Publisher: John Wiley & Sons ISBN: 1848216637 Category : Technology & Engineering Languages : en Pages : 143
Book Description
Vehicular Ad-Hoc Networks (VANETs) play a key role to develop Intelligent Transportation Systems (ITS) aiming to achieve road safety and to guaranty needs of drivers and passengers, in addition to improve the transportation productivity. One of the most important challenges of this kind of networks is the data routing between VANET nodes which should be routed with high level of Quality of Service (QoS) to ensure receiving messages in the time. Then, the driver can take the appropriate decision to improve the road safety. In the literature, there are several routing protocols for VANETs which are more or less reliable to reach safety requirements. In this book, we start by describing all VANET basic concepts such as VANET definition, VANET versus Mobile ad-Hoc Network (MANET), architectures, routing definition and steps, Quality of Service (QoS) for VANET Routing, Metrics of evaluation, Experimentation, and simulation of VANETs, mobility patterns of VANET etc. Moreover, different routing protocols for routing in VANETs will be described. We propose two main categories to be presented: classical routing and bio-inspired routing. Concerning classical VANET, main principles and all phases will be overviewed, as well as, their two sub-categories which are topological and geographical protocols. After that, we propose a new category called bio-inspired routing which is inspired by natural phenomenon such as Ant colony, Bee life, Genetic operators etc. We present also, some referential protocols as example of each category. In this book, we focus on the idea of how to apply bio-inspired principle into VANET routing to improve road safety, and to ensure QoS of vehicular applications.
Author: Nitin Afzalpulkar Publisher: Springer ISBN: 8132226380 Category : Technology & Engineering Languages : en Pages : 964
Book Description
This volume comprises the proceedings of the International Conference on Recent Cognizance in Wireless Communication & Image Processing. It brings together content from academicians, researchers, and industry experts in areas of Wireless Communication and Image Processing. The volume provides a snapshot of current progress in computational creativity and a glimpse of future possibilities. The proceedings include two kinds of paper submissions: (i) regular papers addressing foundation issues, describing original research on creative systems development and modeling; and (ii) position papers describing work-in-progress or research directions for computational creativity. This work will be useful to professionals and researchers working in the core areas of wireless communications and image processing.
Author: Mohamed Amnai Publisher: LAP Lambert Academic Publishing ISBN: 9783846522028 Category : Languages : en Pages : 148
Book Description
This book focuses on performance analysis of two routing protocols belonging to the basic categories (reactive, proactive) in mobile ad hoc networks. The book analyses the network performance over real-time variable bit rate traffic based on OLSR and AODV protocols belonging to basic categories reactive and proactive. Moreover, the book is about the impact of various mobility models on routing protocols described previously. Thereafter, it contributes in making choices of models and parameters to support real-time communications. Finally, we suggest a novel approach through Fuzzy logic to analyse and caculate the optimal delay and optimal throughput.
Author: Radhika Ranjan Roy Publisher: Springer Science & Business Media ISBN: 1441960503 Category : Computers Languages : en Pages : 1140
Book Description
The Mobile Ad Hoc Network (MANET) has emerged as the next frontier for wireless communications networking in both the military and commercial arena. Handbook of Mobile Ad Hoc Networks for Mobility Models introduces 40 different major mobility models along with numerous associate mobility models to be used in a variety of MANET networking environments in the ground, air, space, and/or under water mobile vehicles and/or handheld devices. These vehicles include cars, armors, ships, under-sea vehicles, manned and unmanned airborne vehicles, spacecrafts and more. This handbook also describes how each mobility pattern affects the MANET performance from physical to application layer; such as throughput capacity, delay, jitter, packet loss and packet delivery ratio, longevity of route, route overhead, reliability, and survivability. Case studies, examples, and exercises are provided throughout the book. Handbook of Mobile Ad Hoc Networks for Mobility Models is for advanced-level students and researchers concentrating on electrical engineering and computer science within wireless technology. Industry professionals working in the areas of mobile ad hoc networks, communications engineering, military establishments engaged in communications engineering, equipment manufacturers who are designing radios, mobile wireless routers, wireless local area networks, and mobile ad hoc network equipment will find this book useful as well.
Author: Yamin Samir Al-Mousa Publisher: ISBN: Category : Ad hoc networks (Computer networks) Languages : en Pages : 400
Book Description
"MANETs are coping with major challenges such as the lack of infrastructure and mobility which causes networks topology to change dynamically. Due to limited resources, nodes have to collaborate and rely packets on the behalf of neighbors to reach their destinations forming multi-hop paths. The selection and maintenance of multi-hop paths is a challenging task as their stability and availability depend on the mobility of participating nodes, where paths used a few moments earlier would be rendered invalid due to ever changing topology. The purpose of a routing protocol is to establish and select valid paths between communicating nodes and repair or remove invalid ones. As mobility rate increases, routing protocols spend more time in path maintenance and less time in actual data communication, degrading network performance. This interaction among mobility, topology and routing performance is usually empirically studied through simulations. This dissertation will provide a novel deep analytical study of the root cause of performance degradation with mobility. This is accomplished by, firstly, studying how mobility impacts durations of topology paths called Topological modeling. Secondly, analyzing how routing protocols adapt to topology changes in Adaptability modeling which identifies AdaptationDelays representing the time taken by a routing protocol to translate a change in topology to logical information used in path selection. Combining the results from these two studies, performance models of routing protocols are obtained, which later is used to optimize its operation. This study is applied on two tree-based proactive routing protocols, the Optimized Link State Routing and the Multi-Meshed Tree."--Abstract.
Author: Samuel Pierre Publisher: Springer Science & Business Media ISBN: 3540202609 Category : Technology & Engineering Languages : en Pages : 303
Book Description
This book constitutes the refereed proceedings of the Second International Conference on Ad-Hoc Networks and Wireless, ADHOC-NOW 2003, held in Montreal, Canada in October 2003. The 23 revised full papers and 4 revised short papers presented were carefully reviewed and selected from 42 submissions. All current aspects of ad-hoc networking, mobile, wireless, and cooperating communication systems are addressed including network architectures, access control and discovery, multicasting protocols, performance, quality of service, QoS, routing protocols, scalability, security, and self-configuration.
Author: Foez Ahmed Publisher: LAP Lambert Academic Publishing ISBN: 9783659308048 Category : Languages : en Pages : 108
Book Description
Interest in the research and development of MANETs has experienced a dramatic growth owing to the advancement of new technologies such as GPS, Bluetooth, WLAN, Wi-Fi, DVB-H, RFID & UWB. A Mobile ad-hoc network is an accumulation of wireless nodes forming a provisional network without any pre-established communication infrastructure. To facilitate communication within such networks, a routing protocol is used to discover and establish routes between a pair of nodes, so that message can be delivered in a timely manner. However, mobility patterns have significant effect on the performance of routing protocols and hence on MANETs. The same routing protocol can perform differently in different mobility model. This book, therefore, attempts to provide a comprehensive study and analysis of proactive and reactive routing protocols' behavior over realistic environment model under QoS constraints. It also provides detail simulation setup and results and investigation of mobility models' impact on mobile ad hoc networks for varying number of traffic sources, number of nodes, speed, and data transmission rates. Finally the book concludes by recommending a set of problems for further research.
Author: David C. Wyld Publisher: Springer Science & Business Media ISBN: 364222542X Category : Computers Languages : en Pages : 751
Book Description
This book constitutes the proceedings of three International Conferences, NeCoM 2011, on Networks & Communications, WeST 2011, on Web and Semantic Technology, and WiMoN 2011, on Wireless and Mobile Networks, jointly held in Chennai, India, in July 2011. The 74 revised full papers presented were carefully reviewed and selected from numerous submissions. The papers address all technical and practical aspects of networks and communications in wireless and mobile networks dealing with issues such as network protocols and wireless networks, data communication technologies, and network security; they present knowledge and results in theory, methodology and applications of the Web and semantic technologies; as well as current research on wireless and mobile communications, networks, protocols and on wireless and mobile security.
Author: Hayder Majid Abdulhameed Alash
Author: Hayder Majid Abdulhameed Alash
Author: Salim Bitam
Author: Nitin Afzalpulkar
Author: Wilfred Githuka Gikaru
Author: Mohamed Amnai
Author: Radhika Ranjan Roy
Author: Yamin Samir Al-Mousa
Author: Samuel Pierre
Author: Foez Ahmed
Author: David C. Wyld