Voice Over WLANS

Voice Over WLANS
Author: Michael F. Finneran
Publsiher: Elsevier
Total Pages: 400
Release: 2011-04-08
ISBN 10: 9780080556437
ISBN 13: 0080556434
Language: EN, FR, DE, ES & NL

Voice Over WLANS Book Review:

For networking and RF/wireless engineers, and graduate students who want a solid overview of voice over WLANs/VoIP technology (wireless local area networks / voice over internet protocol), this book covers voice coding, packet loss, delay and 'jitter', and 'echo' control, and shows how to combine both WLAN and VoIP technology to create effective voice over WLAN systems. Finneran also describes how to integrate voice over WLAN systems with cellular networks. This is not just another WLAN-only book nor a VoIP-only book; instead, it integrates both topics into a coherent whole. * Gives complete details on integrating voice and data services on WLANs, including wide area networks * Explores quality of service (QoS) and security issues * Step-by-step descriptions of how to plan and implement voice over WLAN networks

Voice Over WLANS

Voice Over WLANS
Author: Michael Finneran
Publsiher: Unknown
Total Pages: 400
Release: 2011
ISBN 10:
ISBN 13: OCLC:1151008067
Language: EN, FR, DE, ES & NL

Voice Over WLANS Book Review:

For networking and RF/wireless engineers, and graduate students who want a solid overview of voice over WLANs/VoIP technology (wireless local area networks / voice over internet protocol), this book covers voice coding, packet loss, delay and 'jitter', and 'echo' control, and shows how to combine both WLAN and VoIP technology to create effective voice over WLAN systems. Finneran also describes how to integrate voice over WLAN systems with cellular networks. This is not just another WLAN-only book nor a VoIP-only book; instead, it integrates both topics into a coherent whole. * Gives complete details on integrating voice and data services on WLANs, including wide area networks * Explores quality of service (QoS) and security issues * Step-by-step descriptions of how to plan and implement voice over WLAN networks.

Wi Fi Telephony

Wi Fi Telephony
Author: Praphul Chandra,David Lide
Publsiher: Elsevier
Total Pages: 288
Release: 2011-04-01
ISBN 10: 9780080521695
ISBN 13: 008052169X
Language: EN, FR, DE, ES & NL

Wi Fi Telephony Book Review:

Wi-Fi telephony is the latest, most cost effective, and clearest way of carrying voice data wirelessly. The great news is that it can be integrated seamlessly into the same infrastructures as currently used for computer and telephone data.The digital quality is far above current cellular technologies. This book will be among the first to discuss Session Initiation Protocol (SIP), Quality of Service (QoS), and interoperability in connection with Wi-Fi telephony. Security challenges are also presented and solved along these malleable wireless boundaries. In short, this book provides all the information necessary for effective, reliable, crystal clear Wi-Fi telephony service and implementation. *Using current telephone and computer infrastructure this technology can be implemented at low cost *The importance of Quality of Service (QoS) and security of Wi-Fi telephony is considered *Enhances the clarity of a call beyond a basic cellular phone using digital data transfer

Voice Over Wlan

Voice Over Wlan
Author: Gerardus Blokdyk
Publsiher: Createspace Independent Publishing Platform
Total Pages: 134
Release: 2018-04
ISBN 10: 9781987440751
ISBN 13: 1987440757
Language: EN, FR, DE, ES & NL

Voice Over Wlan Book Review:

How will variation in the actual durations of each activity be dealt with to ensure that the expected Voice over WLAN results are met? Does Voice over WLAN create potential expectations in other areas that need to be recognized and considered? Which Voice over WLAN goals are the most important? Where do ideas that reach policy makers and planners as proposals for Voice over WLAN strengthening and reform actually originate? How do we make it meaningful in connecting Voice over WLAN with what users do day-to-day? This one-of-a-kind Voice over WLAN self-assessment will make you the reliable Voice over WLAN domain authority by revealing just what you need to know to be fluent and ready for any Voice over WLAN challenge. How do I reduce the effort in the Voice over WLAN work to be done to get problems solved? How can I ensure that plans of action include every Voice over WLAN task and that every Voice over WLAN outcome is in place? How will I save time investigating strategic and tactical options and ensuring Voice over WLAN costs are low? How can I deliver tailored Voice over WLAN advice instantly with structured going-forward plans? There's no better guide through these mind-expanding questions than acclaimed best-selling author Gerard Blokdyk. Blokdyk ensures all Voice over WLAN essentials are covered, from every angle: the Voice over WLAN self-assessment shows succinctly and clearly that what needs to be clarified to organize the required activities and processes so that Voice over WLAN outcomes are achieved. Contains extensive criteria grounded in past and current successful projects and activities by experienced Voice over WLAN practitioners. Their mastery, combined with the easy elegance of the self-assessment, provides its superior value to you in knowing how to ensure the outcome of any efforts in Voice over WLAN are maximized with professional results. Your purchase includes access details to the Voice over WLAN self-assessment dashboard download which gives you your dynamically prioritized projects-ready tool and shows you exactly what to do next. Your exclusive instant access details can be found in your book.

Voice Over Wlan a Clear and Concise Reference

Voice Over Wlan a Clear and Concise Reference
Author: Gerardus Blokdyk
Publsiher: 5starcooks
Total Pages: 126
Release: 2018-03-07
ISBN 10: 9780655164845
ISBN 13: 0655164847
Language: EN, FR, DE, ES & NL

Voice Over Wlan a Clear and Concise Reference Book Review:

What are the short and long-term Voice over WLAN goals? Is there any existing Voice over WLAN governance structure? How can the value of Voice over WLAN be defined? Does Voice over WLAN analysis isolate the fundamental causes of problems? Has the direction changed at all during the course of Voice over WLAN? If so, when did it change and why? Defining, designing, creating, and implementing a process to solve a business challenge or meet a business objective is the most valuable role... In EVERY company, organization and department. Unless you are talking a one-time, single-use project within a business, there should be a process. Whether that process is managed and implemented by humans, AI, or a combination of the two, it needs to be designed by someone with a complex enough perspective to ask the right questions. Someone capable of asking the right questions and step back and say, 'What are we really trying to accomplish here? And is there a different way to look at it?' This Self-Assessment empowers people to do just that - whether their title is entrepreneur, manager, consultant, (Vice-)President, CxO etc... - they are the people who rule the future. They are the person who asks the right questions to make Voice over WLAN investments work better. This Voice over WLAN All-Inclusive Self-Assessment enables You to be that person. All the tools you need to an in-depth Voice over WLAN Self-Assessment. Featuring 710 new and updated case-based questions, organized into seven core areas of process design, this Self-Assessment will help you identify areas in which Voice over WLAN improvements can be made. In using the questions you will be better able to: - diagnose Voice over WLAN projects, initiatives, organizations, businesses and processes using accepted diagnostic standards and practices - implement evidence-based best practice strategies aligned with overall goals - integrate recent advances in Voice over WLAN and process design strategies into practice according to best practice guidelines Using a Self-Assessment tool known as the Voice over WLAN Scorecard, you will develop a clear picture of which Voice over WLAN areas need attention. Your purchase includes access details to the Voice over WLAN self-assessment dashboard download which gives you your dynamically prioritized projects-ready tool and shows your organization exactly what to do next. Your exclusive instant access details can be found in your book.

Voice Quality Framework for VoIP Over WLANs

Voice Quality Framework for VoIP Over WLANs
Author: Md. Atiur Rahman Siddique
Publsiher: Unknown
Total Pages: 516
Release: 2010
ISBN 10:
ISBN 13: OCLC:1011506788
Language: EN, FR, DE, ES & NL

Voice Quality Framework for VoIP Over WLANs Book Review:

Voice over IP (VoIP) has quickly been adopted by commercial and private users dueto its low cost of service. To attain an even greater consumer acceptance by offeringthe convenience of mobility, we have to use a wireless carrier to deliver VoIP packetsat mobile phones. The low cost of service is the ultimate bargaining chip of VoIP andusing a high cost cellular network, like GSM or CDMA, for the last mile coverage compromises its appeal. The IEEE 802.11 WLANs, in this regard, offer a low cost wirelesscoverage which intrigued many researchers and device manufacturers to investigatethe voice performance in WLANs using theoretical analysis and simulation. Simulation based studies offer only restricted insight since the call capacity after changingany network aspect can not be determined easily and, therefore, analytical capacity models are more helpful to network designers and administrators. But a numberof over-simplified assumptions used in the existing voice capacity models make thesestudies impractical. Standard voice quality measures were ignored and unrealistic assumptions were used in modeling the IEEE 802.11 medium access mechanisms, whichmake the results unreliable.In this thesis, we model the voice capacity of the DCF and PCF based WLANswith a special attention to the voice quality to assist in network design and planning.We use the ITU-T E-model to determine the voice quality and formulate a qualityimpairment budget for medium and high quality calls. We develop two novel Markovmodels to estimate the delay and loss in the DCF and PCF based medium accessmechanisms. To model real world environment closely, we consider the impacts of imperfect channel and capture effect. Since most WLANs operate under the unsaturatedcondition for a considerable amount of time, we consider both saturated and unsaturated traffic conditions. In conjunction to network performance, we also incorporatethe characteristics of voice codecs and dejitter buffer. We identify that the delay andloss in the queue degrade voice quality significantly and utilize standard queuing analyses to determine its impact. Extensive simulation studies show a close match withour analytical results.In the current literature, no analytical model exists for the voice capacity of multichannel, multihop WLANs with multi-interface nodes. Especially, the formation ofcritical zones due to accumulated packet arrivals in multihop networks creating abottleneck was never considered. We model multi-interface WLAN nodes operating inmultichannel, multihop WLANs and determine the voice capacity of such networks.We also identify and analyze the benefit of utilizing multihop networks in order toexercise spatial reuse and improve voice capacity.Considering that DCF offers wider coverage and spatial reuse while PCF offerslower delay by the use of time synchronized medium access, we present a novel mediumaccess mechanism that combines the best features of the above two and yields performance benefits including VoIP call capacity increase through the introduction of"virtual access point" concept. The protocols for different network scenarios are explained and performance comparisons to the DCF and PCF based medium access areillustrated. The capacity models proposed in this thesis will be very useful in designing WLANs to maintain acceptable voice quality using off-the-shelf WLAN devicessupporting DCF and PCF while the incorporation of our proposed medium accessmechanism will improve the voice performance in future WLANs using virtual accesspoint enabled mobile devices.

Recent Trends in Networks and Communications

Recent Trends in Networks and Communications
Author: Natarajan Meghanathan,Selma Boumerdassi,Nabendu Chaki,Dhinaharan Nagamalai
Publsiher: Springer Science & Business Media
Total Pages: 725
Release: 2010-07-07
ISBN 10: 3642144926
ISBN 13: 9783642144929
Language: EN, FR, DE, ES & NL

Recent Trends in Networks and Communications Book Review:

The Second International Conference on Networks and Communications (NeCoM 2010), the Second International Conference on Wireless and Mobile Networks (WiMoN 2010), and the Second International Conference on Web and Semantic Technology (WeST 2010) were held in Chennai, India, during July 23–25, 2010. They attracted many local and int- national delegates, presenting a balanced mixture of intellects from the East and from the West. The goal of these conferences is to bring together researchers and practitioners from academia and industry to focus on understanding computer networks, wireless networks, mobile networks and the Web, semantic technologies and to establish new collaborations in these areas. Authors are invited to contribute to the conference by submitting articles that illustrate research results, projects, survey work and industrial experiences describing significant advances in the areas of all computer networks and Semantic Web technologies. The NeCoM 2010, WiMoN 2010 and WeST 2010 committees rigorously invited submissions for many months from researchers, scientists, engineers, students and practitioners related to the relevant themes and tracks of the workshop. This effort guaranteed submissions from an unparalleled number of internationally recognized top-level researchers. All the submissions underwent a strenuous peer-review process which comprised expert reviewers. These reviewers were selected from a talented pool of Technical Committee members and external reviewers on the basis of their expertise. The papers were then reviewed based on their contributions, technical c- tent, originality and clarity.

Deploying Voice Over Wireless LANs

Deploying Voice Over Wireless LANs
Author: James T. Geier,Jim Geier
Publsiher: Cisco Systems
Total Pages: 248
Release: 2007
ISBN 10:
ISBN 13: UVA:X030103647
Language: EN, FR, DE, ES & NL

Deploying Voice Over Wireless LANs Book Review:

Master the design, installation, management and troubleshooting of a voice network over a wireless LAN from industry leader Jim Geier.

Voice over IP VoIP Over Wireless Local Area Networks WLAN

Voice over IP  VoIP  Over Wireless Local Area Networks  WLAN
Author: Wei Wang
Publsiher: Unknown
Total Pages: 166
Release: 2004
ISBN 10:
ISBN 13: OCLC:61712512
Language: EN, FR, DE, ES & NL

Voice over IP VoIP Over Wireless Local Area Networks WLAN Book Review:

VoIP Technology Applications and Challenges

VoIP Technology  Applications and Challenges
Author: Tamal Chakraborty,Iti Saha Misra,Ramjee Prasad
Publsiher: Springer
Total Pages: 239
Release: 2018-08-03
ISBN 10: 3319955942
ISBN 13: 9783319955940
Language: EN, FR, DE, ES & NL

VoIP Technology Applications and Challenges Book Review:

This book offers an accessible introduction and practical guide to Voice over Internet Protocol (VoIP) technology, providing readers with the know-how to solve the problems encountered in applying VoIP technology across all types of network. It incorporates the latest research findings and brings readers up to date with the challenges that are faced by researchers developing novel applications of VoIP. The authors discuss the general architecture of VoIP technology, along with its application and relevance in conventional and emerging wireless communication networks, including Wireless Local Area Networks (WLANs), Worldwide Interoperability for Microwave Access (WiMAX), Long Term Evolution (LTE) and Cognitive Radio Networks. The book also includes Quality of service (QoS) studies under dynamic and unpredictable network conditions, which examine the reliability of both legacy systems And the upcoming pervasive computing systems. Further, it explains how the heuristic-based learning algorithms that are used in VoIP communications may help develop today’s technology in the area of autonomous systems. This book is a valuable source of information for academics and researchers, as it provides state-of-theart research in VoIP technology. It is also of interest to network designers, application architects, and service providers looking for a coherent understanding of VoIP across a wide range of devices, network applications and user categories.

The Handbook of Computer Networks LANs MANs WANs the Internet and Global Cellular and Wireless Networks

The Handbook of Computer Networks  LANs  MANs  WANs  the Internet  and Global  Cellular  and Wireless Networks
Author: Hossein Bidgoli
Publsiher: Wiley
Total Pages: 800
Release: 2007-12-10
ISBN 10: 9780471784593
ISBN 13: 0471784591
Language: EN, FR, DE, ES & NL

The Handbook of Computer Networks LANs MANs WANs the Internet and Global Cellular and Wireless Networks Book Review:

A comprehensive look at computer networking, from LANs to wireless networks In this second volume of The Handbook of Computer Networks, readers will get a complete overview of the types of computer networks that are most relevant to real-world applications. Offering a complete view of computer networks, the book is designed for both undergraduate students and professionals working in a variety of computer network-dependent industries. With input from over 270 experts in the field and with over 1,000 peer reviewers, the text covers local and wide area networks, the Internet, wireless networks, voice over IP, global networks, and more.

Recent Developments of French Labor Law

Recent Developments of French Labor Law
Author: Stefan Albrecht Riesenfeld
Publsiher: Unknown
Total Pages: 445
Release: 1939
ISBN 10:
ISBN 13: OCLC:58733640
Language: EN, FR, DE, ES & NL

Recent Developments of French Labor Law Book Review:

FastScan

FastScan
Author: Ilango Purushothaman
Publsiher: Unknown
Total Pages: 124
Release: 2008
ISBN 10:
ISBN 13: OCLC:796550653
Language: EN, FR, DE, ES & NL

FastScan Book Review:

I WLAN

I WLAN
Author: Mustafa Ergen
Publsiher: Unknown
Total Pages: 548
Release: 2004
ISBN 10:
ISBN 13: UCAL:C3497241
Language: EN, FR, DE, ES & NL

I WLAN Book Review:

Voice Video and Data Network Convergence

Voice  Video  and Data Network Convergence
Author: Juanita Ellis,Charles Pursell,Joy Rahman
Publsiher: Elsevier
Total Pages: 330
Release: 2003-09-11
ISBN 10: 9780080474816
ISBN 13: 0080474810
Language: EN, FR, DE, ES & NL

Voice Video and Data Network Convergence Book Review:

Covers the latest standards and those being developed in an ever-evolving field Provides insight into the latest technology of video and data over wireless networks and how convergence will be a driving force in this industry Provides an understanding of the true capabilities behind each vendor's solution to allow for informed buying decisions A recent survey of 500 U.S. companies with multiple locations found that 81% are planning to implement IP Telephony on their local area networks (LANs) in 2003, and two-thirds are looking at convergence for their wide area networks (WANs) as well. This includes voice, video and data over hard line and wireless networks. Today, new standards and technologies are being developed to support convergence and voice over IP (VoIP) and Video over IP and wireless. Because convergence covers the voice and data world, it will be critical to understand all of these environments. Voice, Video, and Data Network Convergence provides detailed information on convergence network models, protocol stacks, routing algorithms, gateways and switches required to support these networks. Covers the latest standards and those being developed in an ever-evolving field Provides insight into the latest technology of video and data over wireless networks and how convergence will be a driving force in this industry Provides an understanding of the true capabilities behind each vendor's solution to allow for informed buying decisions

Designing and Deploying 802 11 Wireless Networks

Designing and Deploying 802 11 Wireless Networks
Author: Jim Geier
Publsiher: Cisco Press
Total Pages: 600
Release: 2015-04-29
ISBN 10: 0133891399
ISBN 13: 9780133891393
Language: EN, FR, DE, ES & NL

Designing and Deploying 802 11 Wireless Networks Book Review:

Designing and Deploying 802.11 Wireless Networks Second Edition A Practical Guide to Implementing 802.11n and 802.11ac Wireless Networks For Enterprise-Based Applications Plan, deploy, and operate high-performance 802.11ac and 802.11n wireless networks The new 802.11ac standard enables WLANs to deliver significantly higher performance. Network equipment manufacturers have refocused on 802.11ac- and 802.11n-compliant solutions, rapidly moving older versions of 802.11 toward “legacy” status. Now, there’s a complete guide to planning, designing, installing, testing, and supporting 802.11ac and 802.11n wireless networks in any environment, for virtually any application. Jim Geier offers practical methods, tips, and recommendations that draw on his decades of experience deploying wireless solutions and shaping wireless standards. He carefully introduces 802.11ac’s fundamentally different design, site survey, implementation, and network configuration techniques, helping you maximize performance and avoid pitfalls. Geier organizes each phase of WLAN deployment into clearly defined steps, making the entire planning and deployment process easy to understand and execute. He illuminates key concepts and methods through realistic case studies based on current Cisco products, while offering tips and techniques you can use with any vendor’s equipment. To build your skills with key tasks, you’ll find several hands-on exercises relying on free or inexpensive tools. Whether you’re deploying an entirely new wireless network or migrating from older equipment, this guide contains all the expert knowledge you’ll need to succeed. Jim Geier has 30 years of experience planning, designing, analyzing and implementing communications, wireless, and mobile systems. Geier is founder and Principal Consultant of Wireless-Nets, Ltd., providing wireless analysis and design services to product manufacturers. He is also president, CEO, and co-founder of Health Grade Networks, providing wireless network solutions to hospitals, airports, and manufacturing facilities. His books include the first edition of Designing and Deploying 802.11n Wireless Networks (Cisco Press); as well as Implementing 802.1X Security Solutions and Wireless Networking Handbook. Geier has been active in the IEEE 802.11 Working Group and Wi-Fi Alliance; has chaired the IEEE Computer Society (Dayton Section) and various conferences; and served as expert witness in patent litigation related to wireless and cellular technologies. Review key 802.11 concepts, applications, markets, and technologies Compare ad hoc, mesh, and infrastructure WLANs and their components Consider the impact of radio signal interference, security vulnerabilities, multipath propagation, roaming, and battery limitations Thoroughly understand today’s 802.11 standards in the context of actual network deployment and support Plan your deployment: scoping, staffing, schedules, budgets, risks, feasibility analysis, and requirements Architect access networks and distribution system for maximum reliability, manageability, and performance Make the right tradeoffs and decisions to optimize range, performance, and roaming Secure WLANs via encryption, authentication, rogue AP detection, RF shielding, and policies Master design and site survey tools and methods for planning 802.11ac networks and migrations Efficiently install and test any 802.11ac or 802.11n wireless network Establish specialized support for wireless networks, including help desk operations Systematically troubleshoot connectivity, performance, and roaming issues Design efficient mesh networks and city-wide deployments

GLOBECOM 04

GLOBECOM  04
Author: IEEE Communications Society Staff
Publsiher: Unknown
Total Pages: 4143
Release: 2004
ISBN 10: 9780780387942
ISBN 13: 0780387945
Language: EN, FR, DE, ES & NL

GLOBECOM 04 Book Review:

This paper introduces a centralized admission control mechanism, referred to as Threshold-based Blocking Differentiation (TBDijf), to differentiate the blocking probability experienced by various service classes in a circuit switched WDM network. The mechanism is based on multiple class-thresholds that indicate the minimum amount of capacity that must be available, prior to accommodating a request for a given service class. The performance of TBDiff is studied by means of an analytical framework and also an event-driven simulator. The results show a thorough matching of the analytical and simulation results and also demonstrate that high blocking differentiation among service classes can be obtained, without excessively increasing the overall (average) network blocking probability.

Distributed Medium Access Control in Wireless Networks

Distributed Medium Access Control in Wireless Networks
Author: Ping Wang,Weihua Zhuang
Publsiher: Springer Science & Business Media
Total Pages: 109
Release: 2013-03-23
ISBN 10: 1461466024
ISBN 13: 9781461466024
Language: EN, FR, DE, ES & NL

Distributed Medium Access Control in Wireless Networks Book Review:

This brief investigates distributed medium access control (MAC) with QoS provisioning for both single- and multi-hop wireless networks including wireless local area networks (WLANs), wireless ad hoc networks, and wireless mesh networks. For WLANs, an efficient MAC scheme and a call admission control algorithm are presented to provide guaranteed QoS for voice traffic and, at the same time, increase the voice capacity significantly compared with the current WLAN standard. In addition, a novel token-based scheduling scheme is proposed to provide great flexibility and facility to the network service provider for service class management. Also proposed is a novel busy-tone based distributed MAC scheme for wireless ad hoc networks and a collision-free MAC scheme for wireless mesh networks, respectively, taking the different network characteristics into consideration. The proposed schemes enhance the QoS provisioning capability to real-time traffic and, at the same time, significantly improve the system throughput and fairness performance for data traffic, as compared with the most popular IEEE 802.11 MAC scheme.

Proceedings of the National Science Council Republic of China

Proceedings of the National Science Council  Republic of China
Author: Anonim
Publsiher: Unknown
Total Pages: 329
Release: 2001
ISBN 10:
ISBN 13: UVA:X006169655
Language: EN, FR, DE, ES & NL

Proceedings of the National Science Council Republic of China Book Review:

WLAN Systems and Wireless IP for Next Generation Communications

WLAN Systems and Wireless IP for Next Generation Communications
Author: Neeli Prasad,Anand Prasad
Publsiher: Artech House Universal Persona
Total Pages: 282
Release: 2002
ISBN 10:
ISBN 13: UOM:39015047515302
Language: EN, FR, DE, ES & NL

WLAN Systems and Wireless IP for Next Generation Communications Book Review:

Based on the authors pioneering work at Lucent Technologies, this book contains a wealth of need-to-know information on WLAN implementation, deployment and results.