Inter-Vehicle Communication at Intersections PDF Download
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Author: Thomas Mangel
Publisher: KIT Scientific Publishing
ISBN: 3866448996
Category : Computers
Languages : en
Pages : 212
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Book Description
This book evaluates the ability of ad-hoc and cellular communication to enable cross-traffic assistance at intersections. Potential issues like Non-Line-Of-Sight (NLOS) reception with ad-hoc and limited capacity, higher latency and costs with cellular technology are investigated in two individual evaluations. A method for efficient information delivery via cellular systems and an inter-vehicle NLOS radio propagation model are proposed. Finally, the suitability of both technologies is compared.
Author: Thomas Mangel
Publisher: KIT Scientific Publishing
ISBN: 3866448996
Category : Computers
Languages : en
Pages : 212
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Book Description
This book evaluates the ability of ad-hoc and cellular communication to enable cross-traffic assistance at intersections. Potential issues like Non-Line-Of-Sight (NLOS) reception with ad-hoc and limited capacity, higher latency and costs with cellular technology are investigated in two individual evaluations. A method for efficient information delivery via cellular systems and an inter-vehicle NLOS radio propagation model are proposed. Finally, the suitability of both technologies is compared.
Author: Thomas Mangel
Publisher:
ISBN:
Category : Cams
Languages : en
Pages : 0
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Book Description
Author: Moritz Killat
Publisher: KIT Scientific Publishing
ISBN: 3866444451
Category : Communication and traffic
Languages : en
Pages : 188
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Book Description
The work addresses communication networks established over radio equipped vehicles in our everyday road traffic, so called Vehicular Ad Hoc Networks (VANETs), and discusses their impact on two major goals, namely traffic safety and traffic efficiency. For both objectives, the thesis proposes an appropriate modeling of the essential building blocks Traffic, Communication and Application and enables impact assessment studies by means of implemented simulation tools.
Author: Nitin Maslekar
Publisher:
ISBN:
Category :
Languages : en
Pages : 156
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Book Description
Traffic signal control, which is an integral part of Intelligent Transportation System (ITS), plays an important role in regulating vehicular flow at road intersections. With the increase of vehicular traffic, there has been a significant degradation in the functional efficiency of signal systems. Traditional systems are not capable of adjusting the timing pattern in accordance with vehicular demand. This results in excessive delays for road users. Hence it is necessary to develop dynamic systems that can adjust the timing patterns according to traffic demand. Of the various available techniques, Vehicular Adhoc Networks (VANETs) are attracting considerable attention from the research community and the automotive industry to implement dynamic systems. In this context, exchanging data among vehicles is one of the key technological enablers through which the density of vehicles approaching the intersection can be predicted. This requires extensive collaboration between vehicles. Inherent properties and limitations of VANETs, distributing information among the vehicles is a very challenging task. In this thesis, an adaptive traffic signal control system based on car-to-car communication (VANETs) is proposed. To achieve this, a data dissemination technique titled, Clustering in DiRectIon in Vehicular Environment (C-DRIVE) is implemented. In C-DRIVE, the formation of clusters is based on the direction metric. Precisely this metric defines the direction a vehicle will travel after crossing the intersection. To attain stability within the clusters and to have accurate estimation of the density of vehicles, two policies are adapted. In the first policy, a clusterhead switching mechanism is defined. In the second method, termed as Modified C-DRIVE (MC-DRIVE), the clusterhead election policy is modified. In this modification the election policy is based on the stable cluster length. Once the clusters are formed, the elected cluster head will compute the density in its clusters and transmits the information to the traffic signal controller (TSC). With the density information of different lanes approaching the intersection, at the TSC an optimal cycle length is computed using the modified Webster's model and based on the demand, required green splits are allotted to the various phase. The efficiency of this method is advocated through simulation results which show that the waiting time for vehicles and queue length at intersections are considerably reduced. It is also shown that the proposed solution is collision free at intersections. The proposed system is compared with a classic pre-timed system and an adaptive fuzzy logic system. The simulations also show that the data convergence time and the communication delay between vehicles and traffic signals do not compromise the efficiency of the system.
Author: Ruisi He
Publisher: CRC Press
ISBN: 1003830277
Category : Technology & Engineering
Languages : en
Pages : 236
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Book Description
This book delves into the fundamental characteristics, measurement techniques, modeling methods, and theories of wireless channels in mobile scenarios. Unlike wired communication systems, which are more predictable, wireless communication systems are significantly affected by radio propagation and wireless channels. By investigating the mechanisms of wireless channels and measurement techniques, this book aims to better understand wireless communication systems in order to optimize the quality and design of wireless communications. The title covers key topics in the field, including basic theory of radio wave propagation and non-stationary channels, theory and method of time-varying channel measurement, measurement case analysis, wireless channel modeling theory and parameter extraction method, rail traffic channel measurement and modeling, and dynamic modeling and simulation method of time-varying channels. This book is suitable for researchers and students interested in radio wave propagation, wireless channels and mobile communication systems. It can also serve as a useful guide for technical professionals who have a background in mobile communication technology.
Author: Fei Hu
Publisher: CRC Press
ISBN: 1351782320
Category : Computers
Languages : en
Pages : 346
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Book Description
This book focuses on the most critical technical aspects of vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications. It covers the smart city concept and architecture and explains how V2V and V2I fit into it. It describes the wireless communication protocols for V2V and V2I. It then explains the hardware design process for vehicle communication transceiver and antenna systems. It explains next-generation wireless technologies and their requirements for vehicle communication protocols. Case studies provide the latest V2V and V2I commercial design details. Finally, it describes how to implement vehicle communication protocol from practical hardware design angle.
Author: Moritz Killat
Publisher:
ISBN:
Category : Communication
Languages : en
Pages : 0
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Book Description
Author: Ranjeet Singh Tomar
Publisher: Springer Nature
ISBN: 9811688966
Category : Computers
Languages : en
Pages : 387
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Book Description
This book constitutes selected and revised papers presented at the Second International Conference on Communication, Networks and Computing, CNC 2020, held in Gwalior, India, in December 2020. The 23 full papers and 7 short papers were thoroughly reviewed and selected from the 102 submissions. They are organized in topical sections on wired and wireless communication systems; high dimensional data representation and processing; networking and information security; computing Techniques for efficient networks design; vehicular technology and application; electronics circuit for communication system.
Author: Rola Naja
Publisher: Springer Science & Business Media
ISBN: 1441995633
Category : Technology & Engineering
Languages : en
Pages : 283
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Book Description
Wireless Vehicular Networks for Car Collision Avoidance focuses on the development of the ITS (Intelligent Transportation Systems) in order to minimize vehicular accidents. The book presents and analyses a range of concrete accident scenarios while examining the causes of vehicular collision and proposing countermeasures based on wireless vehicular networks.The book also describes the vehicular network standards and quality of service mechanisms focusing on improving critical dissemination of safety information. With recommendations on techniques and protocols to consider when improving road safety policies in order to minimize crashes and collision risks.
Author: Timo Kosch
Publisher: John Wiley & Sons
ISBN: 0470749792
Category : Technology & Engineering
Languages : en
Pages : 405
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Book Description
A complete introduction tocar-to-X communications networking Automotive Inter-networking will introduce a range of new network and system technologies for vehicle safety, entertainment and comfort systems currently being researched and developed. C2X networking is not only a matter of technology, but is also very closely related to policy-making about deployment. This book will provide the background on technical developments but will also discuss the potential benefits, costs and risks. Also discussed will be concepts related to application of vehicle-to-vehicle and vehicle-to-infrastructure communication technologies for various purposes such as automobile safety enhancement, vehicle user applications for comfort and convenience and efficiency along with other potential commercial applications. Application domains will build the starting point for an analysis of the requirements on suitable mobile network technology and the book will look at how well existing and new systems match these requirements. New automotive-specific technologies are presented in detail, explaining millimeter wave short range systems and special automotive network protocols. Specially designed system services and security mechanisms are introduced and system architecture, radio spectrum use, medium access control, network protocols and security concepts and considered. Finally, the book will present the current world-wide standardization activities, deployment strategies and an outlook about the evolvement of inter-vehicle communications in the next decades. Presents a comprehensive top-down approach to the newly evolving car-to-X communications networking Provides a broad overview of all relevant C2X communication topics Written by well known experts in the field Predicts the outlook of the evolvement of inter-vehicle communications in the next decades Includes illustrations and high-level technical sketches of application domains and photographs, 3D renderings and professional graphical sketches of current prototypes
