Bandwidth Allocation For Video Under Quality Of Service Constraints
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Bandwidth Allocation For Video Under Quality Of Service Constraints
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Author : Bushra Anjum
language : en
Publisher: John Wiley & Sons
Release Date : 2015-01-20
Bandwidth Allocation For Video Under Quality Of Service Constraints written by Bushra Anjum and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-20 with Technology & Engineering categories.
We present queueing-based algorithms to calculate the bandwidth required for a video stream so that the three main Quality of Service constraints, i.e., end-to-end delay, jitter and packet loss, are ensured. Conversational and streaming video-based applications are becoming a major part of the everyday Internet usage. The quality of these applications (QoS), as experienced by the user, depends on three main metrics of the underlying network, namely, end-to-end delay, jitter and packet loss. These metrics are, in turn, directly related to the capacity of the links that the video traffic traverses from its source to destination. The main problem that this book addresses is how much bandwidth we should allocate on the path from source to destination of a video traffic flow such that the end-to-end delay, jitter and packet loss of the video packets are within some expected required bounds.
Greening Video Distribution Networks
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Author : Adrian Popescu
language : en
Publisher: Springer
Release Date : 2018-01-29
Greening Video Distribution Networks written by Adrian Popescu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-29 with Computers categories.
This insightful text presents a guide to video distribution networks (VDNs), providing illuminating perspectives on reducing power consumption in IP-based video networks from an authoritative selection of experts in the field. A particular focus is provided on aspects of architectures, models, Internet protocol television (IPTV), over-the-top (OTT) video content, video on demand (VoD) encoding and decoding, mobile terminals, wireless multimedia sensor networks (WMSNs), software defined networking (SDN), and techno-economic issues. Topics and features: reviews the fundamentals of video over IP distribution systems, and the trade-offs between network/service performance and energy efficiency in VDNs; describes the characterization of the main elements in a video distribution chain, and techniques to decrease energy consumption in software-based VoD encoding; introduces an approach to reduce power consumption in mobile terminals during video playback, and in data center networks using the SDN paradigm; discusses the strengths and limitations of different methods for measuring the energy consumption of mobile devices; proposes optimization methods to improve the energy efficiency of WMSNs, and a routing algorithm that reduces energy consumption while maintaining the bandwidth; presents an economic analysis of the savings yielded by approaches to minimize energy consumption of IPTV and OTT video content services. The broad coverage and practical insights offered in this timely volume will be of great value to all researchers, practitioners and students involved with computer and telecommunication systems.
Advances In Multimedia Information Processing Pcm 2006
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Author : Yueting Zhuang
language : en
Publisher: Springer
Release Date : 2006-10-25
Advances In Multimedia Information Processing Pcm 2006 written by Yueting Zhuang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-10-25 with Computers categories.
This book constitutes the refereed proceedings of the 7th Pacific Rim Conference on Multimedia, PCM 2006, held in Hangzhou, China in November 2006. The 116 revised papers presented cover a wide range of topics, including all aspects of multimedia, both technical and artistic perspectives and both theoretical and practical issues.
Security In Vehicular Networks
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Author : Leila Benarous
language : en
Publisher: John Wiley & Sons
Release Date : 2022-10-11
Security In Vehicular Networks written by Leila Benarous and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-11 with Computers categories.
Vehicular networks were first developed to ensure safe driving and to extend the Internet to the road. However, we can now see that the ability of vehicles to engage in cyber-activity may result in tracking and privacy violations through the interception of messages, which are frequently exchanged on road. This book serves as a guide for students, developers and researchers who are interested in vehicular networks and the associated security and privacy issues. It facilitates the understanding of the technologies used and their various types, highlighting the importance of privacy and security issues and the direct impact they have on the safety of their users. It also explains various solutions and proposals to protect location and identity privacy, including two anonymous authentication methods that preserve identity privacy and a total of five schemes that preserve location privacy in the vehicular ad hoc networks and the cloud-enabled internet of vehicles, respectively. This book also presents a new privacy-aware blockchain-based pseudonym management framework.Vehicular networks were first developed to ensure safe driving and to extend the Internet to the road. However, we can now see that the ability of vehicles to engage in cyber-activity may result in tracking and privacy violations through the interception of messages, which are frequently exchanged on road. This book serves as a guide for students, developers and researchers who are interested in vehicular networks and the associated security and privacy issues. It facilitates the understanding of the technologies used and their various types, highlighting the importance of privacy and security issues and the direct impact they have on the safety of their users. It also explains various solutions and proposals to protect location and identity privacy, including two anonymous authentication methods that preserve identity privacy and a total of five schemes that preserve location privacy in the vehicular ad hoc networks and the cloud-enabled internet of vehicles, respectively. This book also presents a new privacy-aware blockchain-based pseudonym management framework. Leila
Quantum Communications In New Telecommunications Systems
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Author : Malek Benslama
language : en
Publisher: John Wiley & Sons
Release Date : 2017-11-19
Quantum Communications In New Telecommunications Systems written by Malek Benslama and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-19 with Technology & Engineering categories.
This book addresses quantum communications in the light of new technological developments on photonic crystals and their potential applications in systems. Mathematical and physical aspects of quantum optical fibers and photonic crystals are considered in order to optimize the quantum transmissions. Two fundamentals elements are treated, reconfigurable optical add-drop multiplexer and WDM.
Non Linearities In Passive Rfid Systems
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Author : Gianfranco Andia
language : en
Publisher: John Wiley & Sons
Release Date : 2018-03-13
Non Linearities In Passive Rfid Systems written by Gianfranco Andia and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-13 with Technology & Engineering categories.
This book concerns a new paradigm in the field of UHF RFID systems: the positive exploitation of nonlinear signals generated by the chips integrated into the RFID tags. After having recalled the main principles in RFID technology and its current challenges notably with the emergence of Internet of Things or the smart connected environments, the purpose is to focus on the presence of nonlinearities produced by the nonlinear circuits of RFID chips: effects, nuisances and solutions but also and especially use of the phenomena. The presentation covers all aspects from the characterization of the nonlinear behavior of RFID tags and the associated platforms (distinguishing conducted and radiated measurement) to the design of new types of tags where nonlinearities are exploited in order to offer new capabilities or enhanced performance.
Wi Fi Integration To The 4g Mobile Network
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Author : André Pérez
language : en
Publisher: John Wiley & Sons
Release Date : 2018-03-15
Wi Fi Integration To The 4g Mobile Network written by André Pérez and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-15 with Technology & Engineering categories.
The adoption of smartphones has had as a corollary the use of services that require streaming, such as video streaming, which is a constraint for the 4G mobile network. The integration of the network of Wi-Fi hotspots deployed by the operators adds capacity to the 4G mobile network. The use of Wi-Fi technology in carrier networks is the result of developments coordinated by the IEEE, WFA and WBA standardization bodies. For its part, the 3GPP standardization body has been working to integrate Wi-Fi technology into the 4G mobile network. The first part of this book presents the characteristics of the Wi-Fi radio interface. The different IEEE 802.11b / g / n / ac physical layers characterize the implementation in the 2.4 GHz ISM frequency bands and U- NII at 5 GHz. The MAC layer defines a number of media access procedures such as scanning, associating, or transferring data. The second part of this book deals with the architecture of the 4G network based on the Wi-Fi interface. This architecture defines several models corresponding, on the one hand, to Wi-Fi access controlled or not, On the other hand, to a handover controlled by the network or by the mobile. The integration of Wi-Fi technology resulted in a redefinition of attachment and session set-up procedures. Smartphones have the ability to activate simultaneously the two radio interfaces, LTE and Wi-Fi, which allows to direct certain services to one and / or the other of the interfaces. The ANDSF and HotSpot 2.0 functions provide the mobile with rules for network selection and traffic control to determine which traffic is to be routed to what type of interface.
Analytical Modeling Of Wireless Communication Systems
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Author : Carla-Fabiana Chiasserini
language : en
Publisher: John Wiley & Sons
Release Date : 2016-06-14
Analytical Modeling Of Wireless Communication Systems written by Carla-Fabiana Chiasserini and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-14 with Technology & Engineering categories.
Wireless networks represent an inexpensive and convenient way to connect to the Internet. However, despite their applications across several technologies, one challenge still remains: to understand the behavior of wireless sensor networks and assess their performance in large-scale scenarios. When a large number of network nodes need to interact, developing suitable analytical models is essential to ensure the appropriate coverage and throughput of these networks and to enhance user mobility. This is intrinsically difficult due to the size and number of different network nodes and users. This book highlights some examples which show how this problem can be overcome with the use of different techniques. An intensive parameter analysis shows the reader how to the exploit analytical models for an effective development and management of different types of wireless networks.
Communication Networks Economy
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Author : Daniel Battu
language : en
Publisher: John Wiley & Sons
Release Date : 2016-09-16
Communication Networks Economy written by Daniel Battu and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-16 with Technology & Engineering categories.
In an increasingly interconnected world, "Communication Networks Economy" provides the rational understanding necessary to provide universal access to communication means in an efficient way. This book presents the principal elements of the economics of a network as it stands today, taking into account experiences of technicians in the field. The author gives a simplified picture of the current situation in terms of structures and architecture of a network, bearing in mind the necessary quality of service and the profitability of investments, accompanied by references to recent economic works. An overview is given on the general themes of regulation and tariff principles, and the relations between supply and demand, from the perspectives of professional and residential users and network operators. Different aspects of the present situations of networks and the incidence of the Internet on the economy are also presented. In conclusion, the reader will obtain an overview of the most significant issues likely to influence the economics of communications networks as they are today.
Lte And Lte Advanced
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Author : André Pérez
language : en
Publisher: John Wiley & Sons
Release Date : 2015-12-07
Lte And Lte Advanced written by André Pérez and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-07 with Technology & Engineering categories.
This book presents the technical characteristics of the two radio network interfaces of mobile 4G, LTE and LTE Advanced, based on Release 8, 9 and 10 of the 3GPP specifications. Points covered include a detailed description of various components of the radio interface. RRC signaling messages used to establish the connection, enabling the security, the paging, the establishment and the release of dedicated and default support and the handover. The PDCP ensures the security of the transmission and allows the recovery during handover and the compression of the headers. The RLC protocol defines the transmission modes with or without acknowledgment. The MAC protocol determines the random access, the data transfer, the timing advance, the scheduling and the discontinuous reception. The physical layer includes a description of the methods of multiplexing (time, frequency and space) and the various signals and physical channels.