Roaming In Wireless Networks

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Roaming In Wireless Networks

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Author : Shahid Siddiqui
language : en
Publisher: McGraw Hill Professional
Release Date : 2005-09-28

Roaming In Wireless Networks written by Shahid Siddiqui and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-09-28 with Science categories.

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. A cell phone’s roaming feature allows the user to get service when traveling beyond the boundaries of his/her service provider. Wireless service providers make approximately 30% of their operating profit from roaming. But despite being a major source of income, roaming suffers from a number of technological problems in the handoff between networks. Signal strength is wildly variable, calls are frequently dropped, and quality of service is poor. Based upon training courses the author teaches at Agilent and Hewlett-Packard, this is the first book to give communications engineers the know-how to faultlessly design and manage roaming services.

Secure Roaming In 802 11 Networks

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Author : Paul Goransson
language : en
Publisher: Newnes
Release Date : 2011-04-01

Secure Roaming In 802 11 Networks written by Paul Goransson and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-01 with Technology & Engineering categories.

Secure Roaming in 802.11 Networks offers a comprehensive treatise on Wi-Fi 802.11 roaming by comparing/contrasting it to cellular roaming theory and techniques. The book explores the fundamental concepts, basic theory, and key principles of 802.11 networks with roaming capabilities. It helps ensure secure and constant connectivity of laptops, PDAs and other emerging mobile devices. Today, we increasingly expect to find public Wide Local Area Network (WLAN) 802.11 access in our airports, public spaces, and hotels, and we want to maintain our connections when we’re mobile and using 802.11 WLANs. However, 802.11 was not originally designed with roaming capabilities and can’t, in its "pure" form, support seamless roaming between different hotspots and other 802.11 access points. This book details the theory behind various 802.11 extensions to permit roaming and describes how these extensions can be successfully implemented in 802.11 WLANs. It reviews coverage of user authentication in 802.11, as well as roaming between 802.11 and other wireless technologies. It also discusses wireless technologies and application programming interfaces. This book will appeal to RF/wireless engineers and designers, computer/data network engineers, and graduate students. * Offers a comprehensive treatise on Wi-Fi 802.11 roaming by comparing/contrasting it to cellular roaming theory and techniques * Emerges as a "one stop" resource for design engineers charged with fulfilling the market need for seamless 802.11 device roaming capabilities * Builds upon the knowledge base of a professional audience without delving into long discussions of theory long since mastered

Wireless Local Area Networks

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Author : Benny Bing
language : en
Publisher: Wiley-Interscience
Release Date : 2002-07-11

Wireless Local Area Networks written by Benny Bing and has been published by Wiley-Interscience this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-07-11 with Computers categories.

Provides a practical introduction written by engineers from the leading wireless LAN manufacturers Each chapter brings the reader up-to-date with the latest in LAN technology from such companies as 3com, Alcatel, Ericsson, Intermec, Mobilian, Cisco Systems, Texas Instruments, Time Domain Corp., and Network Associates Provides detailed information for anyone who wants to learn about, implement, or invest in wireless LAN technology Features chapters on security, Bluetooth, spectrum allocation, QoS, ultra-wideband wireless, key standards, and more

Wireless And Cellular Networks

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Author : Steve Wisniewski
language : en
Publisher: Prentice Hall
Release Date : 2005

Wireless And Cellular Networks written by Steve Wisniewski and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Computers categories.

For Wireless Communications courses. This book offers solid information on new topics such as HiperLAN 2 and Wireless Networking design. Beginners and experts alike will benefit from the quality and quantity of information presented; the text enables students to develop the skills necessary to administer, install, configure, and troubleshoot wireless network systems.

Seamless Secured Roaming Over Heterogeneous Wireless Networks

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Author : Vamsi Krishna Gondi
language : en
Publisher:
Release Date : 2009

Seamless Secured Roaming Over Heterogeneous Wireless Networks written by Vamsi Krishna Gondi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.

The future telecom ecosystem will be composed by a set of heterogeneous wireless and cellular networks and user terminal capable to connect and communicate with any of these networks. This thesis contributes for evolution of convergence of wireless heterogeneous networks and to propose novel mechanisms to support low latency handover at authentication level using network selection, security context management and mobility in future telecom ecosystem to allow ubiquitous access to the Internet and services to any individual on the move. This access should be possible anytime anywhere while ensuring the right level of security to the end users as well to the networks. One main objective of the thesis is to define seamless secured roaming mechanisms to enable subscribers or users to roam along different access networks indifferent of access technologies, operators and accessing mechanisms. The proposed thesis provides a roaming & interworking solution using intermediary entity, called Roaming Interworking Intermediary (RII), which enable the secure handover across different access systems and different operator domains without service interruption. RII acts like a broker in the RII architecture between home and visited operator networks. RII provides mobility management, context transfer between service providers, security architecture for authentication and associations of users while roaming, network and presence management. The thesis also defines new mechanisms to enable low latency during handovers and roaming by optimizing and introducing new authentication and mobility models (post handover techniques) in heterogeneous networks. We have provided new methods to solve ever longing issue of user identity and routing of user authentication information from visiting access networks with or without a direct SLA with the home network. We have introduced dynamic authentication model with the proposed RII architecture where a user or subscriber gets authenticated at the visiting network without re-routing authentication information to home networks. The thesis also propose a new mobility mechanisms based on Proxy Mobile IP and extending AAA infrastructure to obtain very low latency during handover in WLAN, WIMAX and 3G networks. Testbeds and comparative studies between proposed and existing models for authentication and mobility are provided. This thesis also provides novel pre handover techniques in heterogeneous networks to ensure seamless handover during mobility and roaming. This method is a network centric approach where the access networks controls whole procedures of network selection, security, mobility etc... with the help of mobile terminals and visiting networks. Therefore, new models for location prediction based Network selection, security context management for authentications, context based mobility models are proposed in this thesis. New supporting protocols and extensions of existing protocol to achieve seamless handovers are proposed in this work. A full testbed is built with the implementation of the proposed protocols to evaluate the proposed of the efficiency of the proposed mechanisms.

Wireless Information Networks

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Author : Kaveh Pahlavan
language : en
Publisher: John Wiley & Sons
Release Date : 2005-09-26

Wireless Information Networks written by Kaveh Pahlavan 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 2005-09-26 with Technology & Engineering categories.

"Wireless Information Networks takes a systems engineering approach: technical topics are presented in the context of how they fit into the ongoing development of new systems and services, as well as the recent developments in national and international spectrum allocations and standards. The authors have organized they myriad of current and emerging wireless technologies into logical categories."--Jacket.

Wireless Networking

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Author : Charles N. Thurwachter
language : en
Publisher:
Release Date : 2002

Wireless Networking written by Charles N. Thurwachter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Computers categories.

Integrating many different wireless technologies into a single resource, this comprehensive volume provides an overview of the entire area of wireless networking—from fundamentals and traditional wireless technologies to cellular technologies and emerging standards and specifications. The book focuses on actual systems and techniques to explore the technology beyond wireless communication and into wireless networking. The emphasis on protocol analysis ties the many different technologies together.This one volume reference details wireless technology fundamentals, the wireless physical layer, cellular systems and protocol perspectives and emerging systems.For Network Technicians/Engineers and System Engineers.

Security In Wireless Lans And Mans

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Author : Thomas Hardjono
language : en
Publisher: Artech House Publishers
Release Date : 2005

Security In Wireless Lans And Mans written by Thomas Hardjono and has been published by Artech House Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Computers categories.

Providing a thorough explanation of the risks associated with WLAN and WMAN networks along with detailed descriptions of solutions to a range of security problems, this volume explains the hands-on techniques needed to secure both business and domestic wireless networks.

Implementing Wireless Networks

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Author : Martin A. W. Nemzow
language : en
Publisher: McGraw-Hill Companies
Release Date : 1995

Implementing Wireless Networks written by Martin A. W. Nemzow and has been published by McGraw-Hill Companies this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Computers categories.

Here's a unique guide to implementing the most important types of wireless networks, offering a wide range of implementation solutions. Beginning with an authoritative, up-to-date introduction to wireless technology, the author discusses every aspect of implementing wireless networks for a variety of key applications including offices, field operations, retail, factory floor, & warehouse. For each application, Nemzow explains how to set up the basic wired network for wireless access & the software for each. This hands-on, practical guide is geared toward network managers who need to tie together, via networks, their various locations, or provide wireless services to mobile employees. It's also an ideal reference guide for consultants who must consult on a range of projects, & for professionals working for organizations based in older buildings, in which the cost of new cable is prohibitive.

Wireless Communications And Networking

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Author : Jon W. Mark
language : en
Publisher:
Release Date : 2003

Wireless Communications And Networking written by Jon W. Mark and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Computers categories.

For one-semester senior-level/first-year graduate courses in Wireless Communications. Focusing on the fundamentals of wireless communications and networking, this text gives the reader an overview of the salient features of first and second generation wireless cellular systems, and those perceived for the third generation. It identifies the problems that cause information loss in point-to-point signal transmission through the wireless channel, and discusses techniques suitable for minimizing the information loss. The text covers wireless communications in a cellular setting, treating the ramifications in terms of capacity maximization, support for multi-user transmissions, mobility management to facilitate user roaming, and global information delivery through wireless/wireline interworking.