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Author: Alex Brand Publisher: John Wiley & Sons ISBN: 9780471498773 Category : Technology & Engineering Languages : en Pages : 482
Book Description
In leicht verständlichem Stil erläutern die Autoren dieses Buches Anforderungen an Multiple-Access-Protokolle für den Mobilfunk. Zu Beginn werden zellulare Kommunikationssysteme der 2. und 3. Generation eingeführt. Ausführlich beschrieben werden dann MA-Protokolle für paketorientierte zellulare Systeme. Ein großer Teil der vorgestellten Resultate stammt aus eigenen Forschungsarbeiten der Autoren, u.a. zur Verbesserung der Protokolle und zur Modellierung der physikalischen OSI-Schicht.
Author: Alex Brand Publisher: John Wiley & Sons ISBN: 9780471498773 Category : Technology & Engineering Languages : en Pages : 482
Book Description
In leicht verständlichem Stil erläutern die Autoren dieses Buches Anforderungen an Multiple-Access-Protokolle für den Mobilfunk. Zu Beginn werden zellulare Kommunikationssysteme der 2. und 3. Generation eingeführt. Ausführlich beschrieben werden dann MA-Protokolle für paketorientierte zellulare Systeme. Ein großer Teil der vorgestellten Resultate stammt aus eigenen Forschungsarbeiten der Autoren, u.a. zur Verbesserung der Protokolle und zur Modellierung der physikalischen OSI-Schicht.
Author: Raphael Rom Publisher: Springer Science & Business Media ISBN: 1461234026 Category : Technology & Engineering Languages : en Pages : 179
Book Description
Computer communication networks have come of age. Today, there is hardly any professional, particularly in engineering, that has not been the user of such a network. This proliferation requires the thorough understanding of the behavior of networks by those who are responsible for their operation as well as by those whose task it is to design such networks. This is probably the reason for the large number of books, monographs, and articles treating relevant issues, problems, and solutions in this field. Among all computer network architectures, those based on broadcast mul tiple access channels stand out in their uniqueness. These networks appear naturally in environments requiring user mobility where the use of any fixed wiring is impossible and a wireless channel is the only available option. Because of their desirable characteristics multiple access networks are now used even in environments where a wired point-to-point network could have been installed. The understanding of the operation of multiple access network through their performance analysis is the focus of this book.
Author: Hiroshi Harada Publisher: Artech House ISBN: 9781580530446 Category : Technology & Engineering Languages : en Pages : 498
Book Description
This cutting-edge, first-of-its-kind resource gives you a comprehensive understanding of the simulation and evaluation methods used for today's mobile communication systems. Written by two highly regarded experts in the field, the book focuses on the performance of both the physical and protocol layer transmission scheme. It defines and presents several invaluable simulation tools written in MATLAB® code, along with clear examples that explain their use.
Author: Matteo Berioli Publisher: ISBN: 9781680832174 Category : Multiple access protocols (Computer network protocols) Languages : en Pages : 129
Book Description
Random access represents possibly the simplest and yet one of the best known approaches for sharing a channel among several users. Since their introduction in the 1970s, random access schemes have been thoroughly studied and small variations of the pioneering Aloha protocol have since then become a key component of many communications standards, ranging from satellite networks to ad hoc and cellular scenarios. A fundamental step forward for this old paradigm has been witnessed in the past few years, with the development of new solutions, mainly based on the principles of successive interference cancellation, which made it possible to embrace constructively collisions among packets rather enduring them as a waste of resources. These new lines of research have rendered the performance of modern random access protocols competitive to that of their coordinated counterparts, paving the road for a multitude of new applications. This monograph explores the main ideas and design principles that are behind some of such novel schemes, and aims at offering to the reader an introduction to the analytical tools that can be used to model their performance. After reviewing some relevant results for the random access channel, the volume focuses on slotted solutions that combine the approach of diversity Aloha with successive interference cancellation, and discusses their optimisation based on an analogy with the theory of codes on graphs. The potential of modern random access is then further explored considering two families of schemes: the former based on physical layer network coding to resolve collisions among users, and the latter leaning on the concept of receiver diversity. Finally, the opportunities and the challenges encountered by random access solutions recently devised to operate in asynchronous, i.e., unslotted, scenarios are reviewed and discussed.
Author: Syed A. Ahson Publisher: CRC Press ISBN: 142004527X Category : Technology & Engineering Languages : en Pages : 296
Book Description
As the demand for broadband services continues to grow worldwide, traditional solutions, such as digital cable and fiber optics, are often difficult and expensive to implement, especially in rural and remote areas. The emerging WiMAX system satisfies the growing need for high data-rate applications such as voiceover IP, video conferencing, interactive gaming, and multimedia streaming. WiMAX deployments not only serve residential and enterprise users but can also be deployed as a backhaul for Wi-Fi hotspots or 3G cellular towers. By providing affordable wireless broadband access, the technology of WiMAX will revolutionize broadband communications in the developed world and bridge the digital divide in developing countries. Part of the WiMAX Handbook, this volume focuses on the technologies behind WiMAX, its performance capabilities, and its control mechanisms. The book introduces programmable baseband processors suited for WiMAX systems, describes an innovative methodology for the design of multi-band WiMAX antennas, addresses space-time block codes, and reviews space-frequency/space-time-frequency code design criteria. It also proposes a combined call admission control and scheduling scheme, focuses on the performance analysis of the IEEE 802.16 mesh mode, and analyzes the performance of both single-input-single-output and space-time-block-coded OFDM systems in mobile environments. The final section establishes a framework of an ideal reservation period controller, examines the ecosystem in which scheduling for IEEE 802.16e systems must be performed, and presents a fuzzy logic controller for admission control. With the revolutionary technology of WiMAX, the lives of many will undoubtedly improve, thereby leading to greater economic empowerment.
Author: Anna Hac Publisher: John Wiley & Sons ISBN: 0470855274 Category : Technology & Engineering Languages : en Pages : 260
Book Description
Mobile users are demanding fast and efficient ubiquitous connectivity supporting data applications. This connectivity has to be provided by various different networks and protocols which guarantee that mobile networks function efficiently, performing routing and handoff for mobile users. Hac proposes a comprehensive design for mobile communications including mobile agents, access networks, application protocols, ubiquitous connectivity, routing, and handoff. It covers the entire spectrum of lower and upper layer protocols to evaluate and design modern mobile telecommunications systems. Furthermore, the aspects of modern mobile telecommunications for applications, networking, and transmission are described. For mobile users and data applications these are new networking and communications solutions, particularly for the local area network environment. * Describes the recent advances in mobile telecommunications, their protocols and management * Covers hot topics such as mobile agents, access networks, wireless applications protocols, wireless LANs, architecture, routing and handoff * Introduces and analyses architecture and design issues in mobile communications and networks * Includes a section of questions/problems/answers after each chapter The book is written as a practical, easily accessible tutorial with many figures and examples of existing protocols and architectures making it essential reading for engineers, system engineers, researchers, managers, senior & graduate students.
Author: Raouf Boutaba Publisher: Springer Science & Business Media ISBN: 3540258094 Category : Computers Languages : en Pages : 1512
Book Description
This book constitutes the refereed proceedings of the 4th International IFIP-TC6 Networking Conference, NETWORKING 2005, held in Waterloo, Canada in May 2005. The 105 revised full papers and 36 posters were carefully reviewed and selected from 430 submissions. The papers are organized in topical sections on peer-to-peer networks, Internet protocols, wireless security, network security, wireless performance, network service support, network modeling and simulation, wireless LAN, optical networks, Internet performance and Web applications, ad-hoc networks, adaptive networks, radio resource management, Internet routing, queuing models, monitoring, network management, sensor networks, overlay multicast, QoS, wirless scheduling, multicast traffic management and engineering, mobility management, bandwith management, DCMA, and wireless resource management.
Author: Benny Bing Publisher: Springer Science & Business Media ISBN: 030647302X Category : Technology & Engineering Languages : en Pages : 275
Book Description
Bing (satellite and hybrid communication networks, U. of Maryland) discusses the design and development of wireless access protocols, emphasizing how such protocols can efficiently support disparate classes of multimedia traffic. After introducing and surveying the evolution of wireless access protocols, he describes many important protocols that are deployed or experimented with in various broadband wireless environments, such as asynchronous transfer mode, satellite networks, mobile cellular and personal communications systems, local loops, and local-area and home networks. Seeking a broad audience ranging from novices to veterans who are undertaking research in the area, he does discuss engineering aspects but focuses on the physical understanding and keeps the mathematics to a minimum. Annotation copyrighted by Book News, Inc., Portland, OR
Author: Yan Zhang Publisher: CRC Press ISBN: 1420013610 Category : Computers Languages : en Pages : 634
Book Description
Organized into three parts, Resource, Mobility, and Security Management in Wireless Networks and Mobile Communications examines the inherent constraint of limited bandwidth and unreliable time-varying physical link in the wireless system, discusses the demand to realize the service continuity in the single-hop or multi-hop wireless networks, and ex
Author: Alex Brand
Author: Alex Brand
Author: Raphael Rom
Author: Hiroshi Harada
Author: Matteo Berioli
Author: Syed A. Ahson
Author: Anna Hac
Author: Raouf Boutaba
Author: Benny Bing
Author: Ramjee Prasad
Author: Yan Zhang