Showing posts with label telecommunicati ons. Show all posts
Showing posts with label telecommunicati ons. Show all posts

Wi-Fi Security Review

Wi-Fi Security
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The Preface of the book talks about the offering that the author's firm is providing. I believe the book is just another sales tool for the author's consulting firm. It's filled with a lot of information that are irrelevent of (Wi-Fi) security. It poses a lot of questions without giving you the specific answers or solutions. Just take a look at the paragraphs under title "Building a Private Wireless Infrastructure" (bottom of page 88) and see if you can get what you expect from the title. I think this book is only good for either junior high school kids who like to know more about IT buzz words or those high-level executives who love to pay big money for thousand of words (not works) from the so-called consultants (It's not a coincident that the author's firm is called Executive Information Service).

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Enhance security and maintain privacy of mission-critical data, even when going wireless.This book covers 802.11 security for Windows, Linux, Macs, Palms, and other PDAs.

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IS-95 CDMA and cdma2000: Cellular/PCS Systems Implementation Review

IS-95 CDMA and cdma2000: Cellular/PCS Systems Implementation
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This is definitely not the right book if you do not know anything about wireless communications and you just want to have an idea of this topic. In order to understand most of the chapters you need quite a strong background on analog (AMPS) and TDMA systems(GSM). If this is the case, this book is helpful to understand all the main features of the IS-95 CDMA standard and the differences between this systems and the previously mentioned ones. The book is complete, well organized and structured even though sometimes it exceeds in details and becomes heavy to read. But if you are not interested in the mathematical parts you can easily skip to the following section without losing anything.

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The Next Generation: Wireless Communications for Multimedia and Beyond Of all wireless technologies for personal communications, Code Division Multiple Access (CDMA) offers the best combination of good signal quality, high security, low power consumption, and excellent system reliability. Features added in the IS-95 standard means this impressive list now also includes Third Generation (3G) data capabilities that will allow CDMA providers to offer Internet and intranet services for multimedia applications, high-speed business transactions, and telemetry. The upcoming cdma2000 standard will further expand usable bandwidth without sacrificing voice quality or requiring additional spectrum. In this book by an experienced telecommunications authority, you will learn how to maximize the power of CDMA, migrate existing systems to the newest standards, and prepare for a smooth transition to features yet to come. IS-95 CDMA and cdma2000: Cellular/PCS Systems Implementation covers all aspects of up-to-date CDMA implementation and operation, including: Coding and architecture Radio interface and call flow Physical, data link, and signaling layers Handoff and power control System security Wireless Data Reverse and Forward Link Capacity RF Engineering and network planning Evolution to Third Generation systems Practicing engineers and their managers will benefit from the in-depth coverage of IS-95 systems, RF engineering, and capacity planning. Students will appreciate the forward-looking approach that offers a look at the future of the industry where they are preparing for careers. IS-95 CDMA and cdma2000: Cellular/PCS Systems Implementation offers both practical applications information and conveniently organized reference materials for anyone interested in the next generation of wireless telecommunications.

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Voice Over WLANS: The Complete Guide (Communications Engineering) Review

Voice Over WLANS: The Complete Guide (Communications Engineering)
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The subject of Voice over WLAN (VoWLAN) is a tough one to get your mind around as it involves the convergence of two evolving technologies, Voice over Internet Protocol (VoIP) and Wireless Local Area Networks (WLANs). VoIP is rapidly replacing circuit-switched voice in the public switched telephone network (PSTN), where most of the kinks have been worked out. VoIP also is making inroads into the premises. While there remain considerable kinks in this domain, LAN-based IPBXs now are gaining serious ground against conventional PBXs, hybrids and key systems, many of which are past retirement age. WLANs have become almost ubiquitous and 802.11n promises much increased bandwidth and range due in considerable measure to MIMO antenna technology. Putting it all together involves converting the most demanding stream-oriented application of all (i.e., analog voice) to a digital data format, compressing it, packetizing the resulting data stream using a connectionless network protocol (IP), switching it through an Ethernet LAN that was never intended for such nonsense and adding the uncertainty of wireless (radio) transmission links just to make it a little more challenging. This is not an endeavor for the uneducated or faint of heart, which is where Michael Finneran and this book come in.
Voice over WLANs: The Complete Guide is an apt title, for the book is a thorough treatment of the subject that will guide just about anyone through the background, underlying technologies, planning processes and managerial issues associated with VoWLANs. Finneran begins with an insightful overview on the convergence of WLANs and VoIP. He then patiently and thoroughly builds the necessary technical foundation in radio transmission, WLAN components, media access control protocols, and privacy and security issues. His explanation of the IP protocol suite and its application in voice routing and QoS management is at just the right level. Drilling deeper into the subject, he guides the reader through network design, traffic engineering, VoWLAN configuration, fixed-mobile convergence (FMC), and network management, all of which is pretty technical fare, but Finneran presents it in such a way that it goes down easily.
Finneran has a well deserved reputation as a master communicator, both in person and in print. He avoids the temptation to impress us with his considerable intellect, preferring to exercise his unique ability to translate highly technical subject matter into plain-English, absolutely understandable and even friendly terms. Those of us who know Mike Finneran or are familiar with his work have come to expect nothing but the best from him. This book does not disappoint. Voice over WLANs: The Compete Guide is absolutely essential for anyone with a need to know about VoWLANs at a practical level.


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Telecom Crash Course, Second Edition Review

Telecom Crash Course, Second Edition
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Great book for everything Telecom. Covers past, current and future technologies. If you are a tech nut like me, buy this book and read it cover to cover.

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The Economics of Mobile Telecommunications Review

The Economics of Mobile Telecommunications
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An excellent book. I do not rate it five stars because of its price, it is too expensive.
The material is very good and useful for someone who plans investments in the mobile industry.

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The mobile telecommunications industry is one of the most rapidly growing sectors around the world. This book offers a comprehensive economic analysis of the main determinants of growth in the industry. Harald Gruber demonstrates the importance of competitive entry and the setting of technological standards, both of which play a central role in their contribution to the fast diffusion of technology. Detailed country studies provide empirical evidence for the development of the main themes: the diffusion of mobile telecommunications services, the pricing policies in network industries, the role of entry barriers such as radio spectrum and spectrum allocation procedures. This research-based survey will appeal to a wide range of applied industrial economists within universities, government and the industry itself.

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Telegraph, Telephone, and Wireless: How Telecom Changed the World Review

Telegraph, Telephone, and Wireless: How Telecom Changed the World
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In Telegraph, Telephone and Wireless, Bert Lundy examines the origins and early developments of these three communication systems. The work is comprehensive and could replace with one volume a small shelf of communication titles. It should be a first choice for libraries and individuals wanting one book to explain the history of early wired and wireless networks. The book looks at the technology of each system in a simple way without bogging down in technical details. Those that wish to go further can pursue the well done bibliography. But technology is not the only focus here, far from it. The book's 540 pages puts most accomplishments into their necessary context. That includes, where necessary, an inventor's background, regulatory concerns, government policies, financial impacts, and legal issues. Patent law is much discussed. The book reads well and moves quickly. A thoughtful analysis and opinion chapter concludes the work. Lundy should be congratulated for penning such a complete and engaging book.

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CDMA RF System Engineering (Artech House Mobile Communications) Review

CDMA RF System Engineering (Artech House Mobile Communications)
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Samuel Yang's "CDMA RF System Engineering" is a small but complete, accurate, and to-the-point treatment of the IS-95 version of CDMA. It is the best introductory text on the RF system engineering aspects of CDMA networks I have seen. After a quick but comprehensive review of the CDMA processes, radio propagation models, and sundry fundamentals of digital radio techniques; the author turns to the important details of the IS-95 protocol that must be understood in order to consider the RF engineering matters that take up the last third of the book. These system details include: QPSK and OQPSK, power control, handoffs, link structures, access techniques, and call processing. With the system aspects thus covered in an intuitive but rigorous way, the author gets right to the point as he considers the difficulties of RF system engineering: system design, PN management, noise management, and a thorough treatment of general network management techniques. The book is an excellent introduction to the broad subject of CDMA RF engineering for those new to the field.

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Drawing upon his experience in building the first major CDMA network in North America, Samuel Yang explains the essentials of CDMA wireless technology, helping the reader acquire the knowledge needed to engineer and implement an IS-95 based CDMA system. Examining both the theoretical and practical side of CDMA engineering, this guide is designed for practicing RF and system engineers who should find the modular-oriented chapters on spread-spectrum multiple access technique, design and performance engineering, CDMA traffic engineering, and regulatory implications especially useful.

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Wireless Internet Applications & Architecture Review

Wireless Internet Applications and Architecture
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Wireless Internet overviews the various technologies and architectures of what is becoming a necessity for corporate technical staffs. It tells how to devise and implement wireless Internet applications and reveals the latest wireless hardware and software trends. It describes business products, standards, and applications, and explains issues involved in integrating wireless capabilities. It covers phone-based systems, PDAs, the wireless office and evaluates the current state of wireless communications.
To a layperson, this book serves as a good guide to learn the language of the wireless Internet and offers an initiation of the amazing applications that are enabled when wireless telecommunications and the Internet work together.
To an experienced engineer, this book gives an overview of the technology enablers and new standards such as WAP, BLUETOOTH and the road map for Global wireless data.
To an industry person, this book acts as a resource center for existing applications on the Wireless Internet. It provides an exhaustive list of existing applications created on the Wireless Internet.
Overall a very well researched book, it covers a lot of ground. Clearly written by an expert, I strongly recommend this book as a developer's guide and reference.

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Mark Beaulieu gives IT professionals the working understanding of wireless they need to begin designing wireless software and content effectively. Beaulieu begins by introducing the wireless Internet, its key concepts, and the trends, forces, organizations, and technologies shaping it -- including emerging technologies such as i-Mode, Bluetooth, HDR, SDMA, GPS, LBS, 802.11a. Next, you'll learn how to create -- and optimize -- wireless applications. You'll walk through building applications for a Web phone, handheld, pager, and voice portal. Beaulieu demonstrates how to construct messaging, browsing, interactive, and conversational voice portal applications, presenting application code and mobile content applicable to today's full range of hardware and wireless networks. Beaulieu then introduces the principles of wireless architecture, learning how to make key architectural decisions, and how to build back-end servers that support multiple wireless clients. A Resources and References section brings together valuable resources. For all wireless application developers, and for all IT and Web professionals planning or considering wireless applications.

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OFDM-Based Broadband Wireless Networks: Design and Optimization Review

OFDM-Based Broadband Wireless Networks: Design and Optimization
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I'm working on cross-layer design of OFDM based wireless system such as 802.16e and 802.11n. This book gave me a good overview of whole system from physical layer, MAC layer, to frequency planning. Basic concepts are clearly defined and key design issues are well investigated. This book is especially useful for those networking guys, like me, who want to move from networking layer down to physical layer to do cross-layer optimization. You may want to know physical layer but not every single detail. This book gives me a good abstraction of physical layer for OFDM as well as MIMO.

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OFDM-based Broadband Wireless Networks covers the latest technological advances in digital broadcasting, wireless LAN, and mobile networks to achieve high spectral efficiency, and to meet peak requirements for multimedia traffic. The book emphasizes the OFDM modem, air-interface, medium access-control (MAC), radio link protocols, and radio network planning.
An Instructor Support FTP site is available from the Wiley editorial department.

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Fundamentals of Voice-Quality Engineering in Wireless Networks Review

Fundamentals of Voice-Quality Engineering in Wireless Networks
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I was introduced to this book by my colleague. He lent me a copy he had. I was an engineer in audio/acoustics who started to work in the mobile telephony field. I found a wealth of information in the book, and found the book easy to read at the same time. No high-brow, difficult to read writing at all.
I bought my own copy shortly after. I read this book again just prior to my interview with my present employer. It certainly helped me landing my job! This is an excellent book, and I heartlily recommend all who are working in this area.

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Network operators are faced with the challenge of maximizing the quality of voice transmissions in wireless communications without impairing speech or data transmission. This book provides a comprehensive survey of voice quality algorithms, features, interactions, and trade-offs, at the device and system level. Using a practitioner rather than algorithm-designer angle, this book is unique. It elaborates on the root cause of impairments and ways for resolving them, as well as methodologies for measuring and quantifying voice quality before and after applying the remedies. The key issues are exemplified using case studies. Avoiding complex mathematics, the approach is based on real and sizable field experience supported by scientific and laboratory analysis. This title is suitable for practitioners in the wireless communications industry and graduate students in electrical engineering. Further resources for this title including a range of audio examples will be available online at www.cambridge.org/9780521855952.

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Mobile Web 2.0: The Innovator's Guide to Developing and Marketing Next Generation Wireless/Mobile Applications Review

Mobile Web 2.0: The Innovator's Guide to Developing and Marketing Next Generation Wireless/Mobile Applications
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Reading this book, I was regularly (I don't mean sometimes) stopped my in my tracks because of the typing errors, style errors and layout issues. This book is marvel when it comes to a being a book editors' study material. You can annotate and correct about every page in this book. Obviously this is not published by an experienced publisher, trying to mainain a reputation for publishing serious and worthwile information.
That said, I must say that I learned from this book. Being ignorant about the way the Mobile world is organized, it gives you insight in what to do and what not to do when you consider building applications and services for the Mobile market. It doesn't really give you any design guidelines, but it does sketch the environment and comes with sound advice.
So, if you are really eager for this type of information, you can learn from this book. That is, if you are not put off by the writing and layout. What you cannot learn is how a publication like this is written, edited and layed out, unless you are studying to be a book editor, in which case it makes perfect study material...

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** Testimonials **If you're looking for the best source of information currently available on the subjects of both Web 2.0 and Mobile Web 2.0, you have to go no further than this book. - Dion Hinchcliffe, Editor-in-Chief of the Web 2.0 Journal and President of Hinchcliffe & CompanyIn their latest book, the authors make fresh challenges on the paradigms in Mobile data.You are not going to agree with it all, but it will challenge your own thinking. - Jeremy Flynn, Head of Commercial Partnerships, Vodafone UKSimply the most comprehensive and easily-accessible book, on mobile Web 2.0 and it's future potential, available to date. - Dr Rebecca Lingwood CEng MIMechE, Director of Continuing Professional Development, University of OxfordWhy should you buy this book?- Gain an understanding of both Web 2.0 and Mobile Web 2.0- Learn how Web 2.0 extends to the 'wider Internet'- Learn from the experts: our work has been widely published and referenced on the Web.Our viewpoints are practical, independent and realistic - Understand the seven principles of Mobile Web 2.0- Understand the other factors that affect Mobile Web 2.0 (like the rollout of IMS, WiMAX, Revenue models for Web 2.0 etc.) The seven principles of Mobile Web 2.0- Mobile content and the changing balance of power(The power of user-generated content)- I am not a number, I am a tag (The impact on the telecoms industry's management of numbers)- Multilingual mobile access (Everyone, Everywhere with a phone running .. )- Mobile Web 2.0 and digital convergence (Mobile Web 2.0 is a driver to digital convergence)- The disruptive power of Ajax and mobile widgets- Location based services and Mobile Web 2.0 (LBS has never quite taken off.Will Mobile Web 2.0 help?)- Mobile search: Much more than Google on your mobile phone

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Newton's Telecom Dictionary: Telecommunications, Networking, Information Technologies, The Internet, Wired, Wireless, Satellites and Fiber Review

Newton's Telecom Dictionary: Telecommunications, Networking, Information Technologies, The Internet, Wired, Wireless, Satellites and Fiber
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REVIEW OF THE 26th EDITION:
The past few days I've been browsing the 26th edition. The dictionary has a nice look and feel, like the 25th edition. It has 26,283 definitions, up from 24,950 in the 25th edition. I like how it stays open on any page you open it to. Sounds simple, but it's a nice user-friendly feature.
There are LOTS of new wireless terms in the 26th edition, for example, at least 20 new terms related to Wi-Fi (Wi-Fi calling, Wi-Fi Direct, Wi-Fi peer-to-peer, Wi-Fi roaming, Wi-Fi tethering, Wi-Fi smog, carrier Wi-Fi, and a bunch of definitions for new flavors of 802.11).
New Bluetooth definitions have been added (for example, Bluetooth 2.1, Bluetooth 3.0, and Bluetooth LE).
There also now are definitions for White-Fi, white space network, and white space phone.
There also are many other new wireless-related definitions in the 26th edition that pertain to ham radio, military communications, cellular telephony, small cells, and maritime communications. I like how the dictionary has gone beyond its roots in wireline telephony and embraces wireless communications in a big way.
The 26th edition also has a lot of "green telecom" and cloud-related definitions that were not in earlier editions.
One of the other reviewers of the 25th edition here on Amazon.com will be pleased to learn that the 26th edition's definitions of DOCSIS, DOCSIS 1.1, DOCSIS 2.0, and DOCSIS 3.0 have been updated, and definitions for all versions of HTML up to and including HTML 5.0 have been updated or included if they were missing before.
All things considered, the 26th edition is a great update.
My review of the 25th edition, which follows, contains information that is also true about the 26th edition.
EARLIER REVIEW OF THE 25th EDITION:
Speaking from over 20 years of experience working at LECs and domestic and international LD carriers, and having used various telecom and networking dictionaries over the years, I can say with certainty that Newton's Telecom Dictionary is the best -- by a mile.
Each year 500 to 1,000 new definitions are added to Newton's, and existing definitions are updated, improved, or enhanced in other ways. No other telecom dictionary on the market has even half as many definitions as Newton's. In fact, if you combine the definitions from all the other telecom dictionaries and weed out duplicates, their combined total probably still will be less than half of what's in Newton's. Harry Newton clearly loves telecom, as shown by the copiousness of the dictionary, the continuous additions to it, and the continuous refinements of it.
Our company currently has around 30 copies of the 25th edition and 300 copies of earlier editions. Newton's is used in the following departments: network engineering, network planning, circuit layout, security, legal and regulatory, enterprise sales, small and medium business sales, consumer sales, wholesale markets, sales engineering, managed network services, strategy and business development, marketing, customer service, billing operations, operator services, IT, education and training, corporate communications, outside plant, station I&M, wireless ops, and PMO; it's also used by our company's senior executives.
Newton's Telecom Dictionary is widely used in industry, government, the U.S. military, and academia. It is frequently cited by the Federal Communications Commission (FCC) and in documents submitted to the FCC by petitioners. Newton's Telecom Dictionary is also cited in print by the National Telecommunications and Information Administration (NTIA), the National Institute of Standards and Technology (NIST), the Federal Trade Commission (FTC), U.S. District Courts, the U.S. Patent and Trademark Office (USPTO), the U.S. Government Accountability Office (GAO), the U.S. Committee on National Security Systems (CNSS), the U.S. National Communications System (NCS), the U.S. Department of Justice (DOJ), the U.S. International Trade Commission (USITC), the U.S. Department of the Treasury, the Small Business Administration (SBA), public utilities commissions (PUCs), public service commissions (PSCs), state and municipal government in the U.S. and abroad, and overseas PTTs (Post, Telephone, and Telegraph organizations).
It is also cited by over 100 textbooks, handbooks, and other technical reference books.

I've seen Newton's at telcos, cellular phone companies, long-distance carriers, broadband service providers, MVNOs, electrical engineering firms, defense contractors, systems integration companies, software services companies, commercial and public radio stations, a TV station, an Army satellite communications station, law firms, an ad agency, the IT department of a health services organization, the IT department of a realty company, the offices of a technology magazine publisher, universities, high schools, and state government offices.
Users of earlier editions of Newton's will be very pleased with this 25th anniversary edition. It has more terms than ever -- probably closer to 26,000 by my reckoning (based on a 10-page random sample) than the 24,950 indicated on the book's cover -- and a much more visually appealing and readable typography than was used in earlier editions. There are some new tables in the dictionary, expansions and updates of earlier definitions, and additional timeline dates.
Another interesting change is that the 25th edition uses a much thinner paper than earlier editions. It's the kind of paper that you see in books published in parts of the Far East, for example, in China and Taiwan. There are two practical benefits of this. First, even though the dictionary has grown by over 200 pages from its previous edition -- there are now 1,274 pages in the dictionary, not 1,250 pages as incorrectly stated in various booksellers' descriptions of it -- the dictionary is actually much lighter and thinner than previous editions. You can now easily carry it around with you. Second, because of the thin paper, it makes the book more flexible. You can open it to any page, let go of the page, and the book will stay open on that page.
This dictionary belongs in every department in every telco, cellco, cableco, pubco, satco, IXC, VoIP provider, AOS provider, systems integrator, managed services provider, equipment manufacturer, data center, and carrier hotel. Anyone outside of these industries who is involved in some way with telecom or networking, or who is studying it in school, or who writes about it for a living, will also find the 25th edition an indispensible resource.


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Wireless Dictionary (Ieee Standards Wireless Networks Series) Review

Wireless Dictionary (Ieee Standards Wireless Networks Series)
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Very useful publication, unfortunately of very impractical book size.
Hard copies of such very specialized, small size dictionary are of limited use today. Equivalent on-line publication is of much wider interest.

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Wireless and Cellular Telecommunications Review

Wireless and Cellular Telecommunications
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This book can be used for both business and academia. It really contains up to date information.

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OFDM for Wireless Multimedia Communications (Artech House Universal Personal Communications) Review

OFDM for Wireless Multimedia Communications (Artech House Universal Personal Communications)
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If you are looking for a book that clearly explains the mysteries of OFDM and COFDM then, you will have to wait. This is not that book. Much is left to "as an exercise for the student." There is some generic stuff on coding but how it relates to multipath mitigation is not clear. There are no good pictures of spectrums. The effect of amplifier non-linearities is inadequately addressed. The concept of IFFT as applied to modulation is not explained in a way you can understand it quickly. The section on coherent and differential detection is uneven in the amount of detail and understandability. The whole book has in places either too much math or not enough. There is no section on performance that tells you what the end to performance might be. Good try but far from perfect.
Charan Langton

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A study of OFDM, including a comparison with other forms of single carrier modulation methods. It provides the design guidelines needed to maximise benefits from this technology. There is practical advice on how to plan, design and use OFDM to make wireless multimedia communications happen. It offers a solid base for assessing the performance of wireless OFDM systems; explains how OFDM signals are formed using the Inverse Fast Fourier Transform, how the cyclic extension mitigates the effects of modulation, and how windowing can limit out-of-band radiation; discusses the sensitivity of OFDM to synchronization errors; examines the basics of direct sequence and frequency hopping CMDA, helpful in understanding combinations of OFDM and CDMA; explains Multicarrier CDMA, various transmitter architectures, and the pros and cons compared to other CDMA techniques; and includes a discussion of the combination of OFDM and frequency hopping CDMA to get a multiple access system with similar advantages to direct sequence CDMA.

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Wireless Telecommunications Networking with ANSI-41 Review

Wireless Telecommunications Networking with ANSI-41
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Un excelente libro del protocolo IS-41, gradual en su presentación. No entra al detalle de los bytes. Mantiene un muy buen nivel, con claros ejemplos. He preparado un buen curso de este protocolo a partir de este y otros libros

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ALL-IN-ONE GUIDE TO ANSI-41 Revision EReplacing IS-41, ANSI –41 Revision E is the North American standard for wireless telecommunications network signaling. Written by Randall Snyder and Michael Gallagher, two of the new standard's developers, Wireless Tel Network with ANSI-41, Second Edition provides you with the latest need-to-know revisions, operational details, and protocol usage of the standard.
This edition packs a new chapter on WIN (Wireless Intelligent Network) and a complete listing of federally mandated features and functions. You'll explore wireless telecommunications standards, signaling, and network reference models…wireless functionality… structure of the ANSI-41 standard and protocol architecture…basic intersystem handoff functions, automatic roaming functions, authentication functions, call processing functions, short-message service functions, and operations, administration, and maintenance functions.

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Wireless: The Revolution in Personal Telecommunications (The Artech House Mobile Communications) Review

Wireless: The Revolution in Personal Telecommunications (The Artech House Mobile Communications)
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Written in 1995, this book projects the development of the wireless industry. It is of great interest today, since it provides much needed perspective on the origins and growth of the wireless industry, and the nature of projections offered today about the next 5-10 years.
The author is intellegent and well versed in the wireless industry, and presents a compelling vision of "personal communications". The current (2001) crisis in the telecom industry provides an interesting contrast to his forward looking vision.

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An indispensable guide to the coming avalanche of wireless applications. Clearly written and detailed. DLC: Wireless communication systems.

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