Efficient Mptcp Based Multipath Network Access For Connected Vehicles
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| Author | : Imran Khan |
| Publisher | : |
| Total Pages | : 140 |
| Release | : 2020 |
| Genre | : Motor vehicles |
| ISBN | : |
Providing reliable and resilient network services to vehicles under fast mobility is a challenging aspect of designing next-generation wireless network systems. Exploiting Multipath TCP (MPTCP) to enable vehicles to use multiple wireless connections simultaneously (denoted multipath network access) is a promising solution to this challenge. However, the current design of MPTCP makes it susceptible to some major drawbacks when applied directly to improve the network performance of connected vehicles. Particularly, the fast dynamism of the characteristics (e.g., round-trip time, loss rate) of wireless connections under vehicle mobility can significantly degrade the throughput. This thesis aims to address the underlying reasons for such performance degradation and proposes a solution to overcome the challenges faced by connected vehicles. We first analyze the reasons for the throughput degrading and verify them through in-lab measurements. We then model instances where MPTCP-based multipath network access would perform worse than using the single path TCP over available wireless connections separately. Based on the analysis, we propose an efficient bandwidth aggregation scheme (EBA) that mitigates the performance drop of MPTCP under fast mobility scenarios by selectively duplicating packets over parallel access paths. This scheme has been implemented in the Linux Kernel and tested extensively through simulated scenarios. Experimental results reflect that EBA can effectively enhance the performance of MPTCP for connected vehicles.
| Author | : Dizhi Zhou |
| Publisher | : Springer |
| Total Pages | : 93 |
| Release | : 2014-11-24 |
| Genre | : Technology & Engineering |
| ISBN | : 3319117017 |
This brief presents several enhancement modules to Multipath Transmission Control Protocol (MPTCP) in order to support stable and efficient multipath transmission with user cooperation in the Long Term Evolution (LTE) network. The text explains how these enhancements provide a stable aggregate throughput to the upper-layer applications; guarantee a steady goodput, which is the real application-layer perceived throughput; and ensure that the local traffic of the relays is not adversely affected when the relays are forwarding data for the destination. The performance of the proposed solutions is extensively evaluated using various scenarios. The simulation results demonstrate that the proposed modules can achieve a stable aggregate throughput and significantly improve the goodput by 1.5 times on average. The brief also shows that these extensions can well respect the local traffic of the relays and motivate the relay users to provide the relaying service.
| Author | : Wenchao Xu |
| Publisher | : Springer Nature |
| Total Pages | : 175 |
| Release | : 2021-11-18 |
| Genre | : Computers |
| ISBN | : 3030889912 |
This book introduces the Internet access for vehicles as well as novel communication and computing paradigms based on the Internet of vehicles. To enable efficient and reliable Internet connection for mobile vehicle users, this book first introduces analytical modelling methods for the practical vehicle-to-roadside (V2R) Internet access procedure, and employ the interworking of V2R and vehicle-to-vehicle (V2V) to improve the network performance for a variety of automotive applications. In addition, the wireless link performance between a vehicle and an Internet access station is investigated, and a machine learning based algorithm is proposed to improve the link throughout by selecting an efficient modulation and coding scheme. This book also investigates the distributed machine learning algorithms over the Internet access of vehicles. A novel broadcasting scheme is designed to intelligently adjust the training users that are involved in the iteration rounds for an asynchronous federated learning scheme, which is shown to greatly improve the training efficiency. This book conducts the fully asynchronous machine learning evaluations among vehicle users that can utilize the opportunistic V2R communication to train machine learning models. Researchers and advanced-level students who focus on vehicular networks, industrial entities for internet of vehicles providers, government agencies target on transportation system and road management will find this book useful as reference. Network device manufacturers and network operators will also want to purchase this book.
| Author | : Zaigham Mahmood |
| Publisher | : Springer Nature |
| Total Pages | : 346 |
| Release | : 2020-01-13 |
| Genre | : Computers |
| ISBN | : 3030361675 |
This book presents an overview of the latest smart transportation systems, IoV connectivity frameworks, issues of security and safety in VANETs, future developments in the IoV, technical solutions to address key challenges, and other related topics. A connected vehicle is a vehicle equipped with Internet access and wireless LAN, which allows the sharing of data through various devices, inside as well as outside the vehicle. The ad-hoc network of such vehicles, often referred to as VANET or the Internet of vehicles (IoV), is an application of IoT technology, and may be regarded as an integration of three types of networks: inter-vehicle, intra-vehicle, and vehicular mobile networks. VANET involves several varieties of vehicle connectivity mechanisms, including vehicle-to-infrastructure (V2I), vehicle-to-vehicle (V2V), vehicle-to-cloud (V2C), and vehicle-to-everything (V2X). According to one survey, it is expected that there will be approximately 380 million connected cars on the roads by 2020. IoV is an important aspect of the new vision for smart transportation. The book is divided into three parts: examining the evolution of IoV (basic concepts, principles, technologies, and architectures), connectivity of vehicles in the IoT (protocols, frameworks, and methodologies), connected vehicle environments and advanced topics in VANETs (security and safety issues, autonomous operations, machine learning, sensor technology, and AI). By providing scientific contributions and workable suggestions from researchers and practitioners in the areas of IoT, IoV, and security, this valuable reference aims to extend the body of existing knowledge.
| Author | : Paul Dowland |
| Publisher | : Lulu.com |
| Total Pages | : 194 |
| Release | : 2016 |
| Genre | : Computers |
| ISBN | : 1841024104 |
This book contains the proceedings of the Eleventh International Network Conference (INC 2016), which was held in Frankfurt, Germany, in July 2016. A total of 30 papers were accepted for inclusion in the conference. The main topics of the book include: Network Technologies; Mobile and Wireless Networking; Security and Privacy; Applications and Impacts. The papers address state-of-the-art research and applications of network technology, arising from both the academic and industrial domains. These proceedings should consequently be of interest to network practitioners, researchers, academics, and technical managers involved in the design, development and use of network systems.
| Author | : Wenchao Xu |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2021 |
| Genre | : |
| ISBN | : 9783030889920 |
This book introduces the Internet access for vehicles as well as novel communication and computing paradigms based on the Internet of vehicles. To enable efficient and reliable Internet connection for mobile vehicle users, this book first introduces analytical modelling methods for the practical vehicle-to-roadside (V2R) Internet access procedure, and employ the interworking of V2R and vehicle-to-vehicle (V2V) to improve the network performance for a variety of automotive applications. In addition, the wireless link performance between a vehicle and an Internet access station is investigated, and a machine learning based algorithm is proposed to improve the link throughout by selecting an efficient modulation and coding scheme. This book also investigates the distributed machine learning algorithms over the Internet access of vehicles. A novel broadcasting scheme is designed to intelligently adjust the training users that are involved in the iteration rounds for an asynchronous federated learning scheme, which is shown to greatly improve the training efficiency. This book conducts the fully asynchronous machine learning evaluations among vehicle users that can utilize the opportunistic V2R communication to train machine learning models. Researchers and advanced-level students who focus on vehicular networks, industrial entities for internet of vehicles providers, government agencies target on transportation system and road management will find this book useful as reference. Network device manufacturers and network operators will also want to purchase this book. .
| Author | : Mikael Fallgren |
| Publisher | : John Wiley & Sons |
| Total Pages | : 340 |
| Release | : 2021-04-27 |
| Genre | : Technology & Engineering |
| ISBN | : 1119692652 |
CELLULAR V2X FOR CONNECTED AUTOMATED DRIVING A unique examination of cellular communication technologies for connected automated driving, combining expert insights from telecom and automotive industries as well as technical and scientific knowledge from industry and academia Cellular vehicle-to-everything (C-V2X) technologies enable vehicles to communicate both with the network, with each other, and with other road users using reliable, responsive, secure, and high-capacity communication links. Cellular V2X for Connected Automated Driving provides an up-to-date view of the role of C-V2X technologies in connected automated driving (CAD) and connected road user (CRU) services, such as advanced driving support, improved road safety, infotainment, over-the-air software updates, remote driving, and traffic efficiency services enabling the future large-scale transition to self-driving vehicles. This timely book discusses where C-V2X technology is situated within the increasingly interconnected ecosystems of the mobile communications and automotive industries. An expert contributor team from both industry and academia explore potential applications, business models, standardization, spectrum and channel modelling, network enhancements, security and privacy, and more. Broadly divided into two parts—introductory and advanced material—the text first introduces C-V2X technology and introduces a variety of use cases and opportunities, requiring no prerequisite technical knowledge. The second part of the book assumes a basic understanding of the field of telecommunications, presenting technical descriptions of the radio, system aspects, and network design for the previously discussed applications. This up-to-date resource: Provides technical details from the finding of the European Commission H2020 5G PPP 5GCAR project, a collaborative research initiative between the telecommunications and automotive industries and academic researchers Elaborates on use cases, business models, and a technology roadmap for those seeking to shape a start-up in the area of automated and autonomous driving Provides up to date descriptions of standard specifications, standardization and industry organizations and important regulatory aspects for connected vehicles Provides technical insights and solutions for the air interface, network architecture, positioning and security to support vehicles at different automation levels Includes detailed tables, plots, and equations to clarify concepts, accompanied by online tutorial slides for use in teaching and seminars Thanks to its mix of introductory content and technical information, Cellular V2X for Connected Automated Driving is a must-have for industry and academic researchers, telecom and automotive industry practitioners, leaders, policymakers, and regulators, and university-level instructors and students. Additional resources available at the following site: Cellular V2X for Connected Automated Driving – 5GCAR
| Author | : Joaquim Ferreira |
| Publisher | : MDPI |
| Total Pages | : 128 |
| Release | : 2020-02-06 |
| Genre | : Technology & Engineering |
| ISBN | : 3039281585 |
Cooperative connected and automated mobility (CCAM) has the potential to reshape the transportation ecosystem in a revolutionary way. Transportation systems will be safer, more efficient and more comfortable. Cars are going to be the third living space, as passengers will have the freedom to use their car to live, work and travel. Despite the massive effort devoted, both by academia and industry, to developing connected and automated vehicles, there are still many issues to be addressed, including not only scientific and technological, but also regulatory and political issues. This book, mostly centered on the scientific and technological aspects of CCAMs, features seven articles highlighting recent advances of the state of the art in different CCAM technologies. Two papers address vehicular platooning, a key application for day-1 automated driving, other presents a scheme to improve the resource utilization of vehicular networks, while another paper addresses critical train communications, proposing an architecture based on 5G, SDN and MPTCP to provide path diversity and end-to-end redundancy. One paper describes the status of roadside deployment activities and analyzes the policies and practices of cooperative driving in the European Union. Finally, two review papers, one on congestion control techniques for VANETs and the other on fault tolerance techniques for vehicular networks, conclude the book.
| Author | : Karl-Heinz Lüke |
| Publisher | : Springer |
| Total Pages | : 233 |
| Release | : 2019-05-31 |
| Genre | : Computers |
| ISBN | : 3030224821 |
This book constitutes the refereed proceedings of the 19th International Conference on Innovations for Community Services, I4CS 2019, held in Wolfsburg, Germany, in June 2019. The 16 revised full papers presented in this volume were carefully reviewed and selected from 43 submissions. The papers are organized in topical sections on communication systems; teaching and collaboration; smart cities; innovations and digital transformation; data analytics and models; community and quality.
| Author | : Yi-Bing Lin |
| Publisher | : John Wiley & Sons |
| Total Pages | : 300 |
| Release | : 2008-09-15 |
| Genre | : Technology & Engineering |
| ISBN | : 0470777664 |
This book provides a complete and comprehensive overview of 3G UMTS charging services Evolving from offline billing of traditional telecommunications, charging for IP services in mobile networks is challenging; charging convergence is one of the major trends in the telecom industry. Advanced mobile telecommunications incorporates data applications with real-time control and management, and requires a convergent and flexible online charging system. Such convergence is essential to mitigate fraud and credit risks in order to provide more personalized information to users about charges and credit limit controls. Charging for Mobile All-IP Telecommunications provides comprehensive and practical coverage of online and offline charging based on mobile operator experiences, and the latest efforts undertaken by the UMTS specifications. Key features: Presents a complete overview of the telecommunications charging system, including the evolution from 2G to 3G and all-IP network charging frameworks Discusses all management aspects related to charging and billing processes, with a focus on the major trends and developments within the telecoms industry Provides an overview of the telecom networks such as PSTN, GSM, UMTS and IMS Covers the concepts of the telecom charging on mobile services and the new technologies for implementing online charging system, such as GTP’ and Diameter protocol Contains coverage on network nodes and data flows in relation to charging of mobile applications, such as IMS call and content downloading Explains the IP-based online charging system, protocol details and recent trends in charging for mobile telecom industry This book is an invaluable resource for graduate students, telecoms and IP engineers, network service providers and system architects. Information technologists and networking equipment manufacturers will also find this book insightful.
