This is a semi-technical overview of the features and operation of third generation cellular and PCS systems. It offers an overview of the evolution of 3G cellular and PCS, describes the types of technology, design issues for handset and network systems, and provides a sense of future direction.

802.11 is an IEEE standard for wireless LANs that has reemerged in a wide range of applications. This book explains why 802.11 is quickly emerging as the wireless LAN technology of choice. It also features analyses on cost, interoperability and security.

This work covers early implementation, from the association set up to promoting GPRS (General Packet Radio Service) deployment worldwide. It answers questions like what kind of roaming will the standards bodies adopt?, what functionality will GPRS terminals provide?, and how will GPRS change the basic business practices of GSM operators? A useful work for providers, operators, and developers, it explains the wireless data business cycle by unpacking technology, markets, and implementation experience and operations issues.

A guide to understanding instant messaging, mobile commerce, and wireless location-based services. It helps to discover profitable mobile e-commerce applications. It provides answers on privacy, and how 3G will impact wireless messaging. It contains details on development, implementation, and rollout of EMS and MMS for the general population.

Wireless data is the high-speed transfer of e-mail, stock info, messages and even video and audio across wireless networks. This book explains the networks, technologies and protocols that make it possible and show how to take advantage of the new telecom market.

IP Telephony, the transmission of voice over the internet, is a disruptive technology with the potential to revolutionize the long distance voice market. This book will show IT professionals and managers how IP Telephony can benefit them, and how to decide when it makes sense to deploy, and when it doesn't.

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Almost every student has to study some sort of mathematical proofs, whether it be in geometry, trigonometry, or with higher-level topics. In addition, mathematical theorems have become an interesting course for many students outside of the mathematical arena, purely for the reasoning and logic that is needed to complete them. Therefore, it is not uncommon to have philosophy and law students grappling with proofs. This book is the perfect resource for demystifying the techniques and principles that govern the mathematical proof area, and is done with the standard "Demystified" level, questions...

There's no easier, faster, or more practical way to learn the really tough subjects

Microeconomics Demystified features a clear and easy-to-understand presentation of the concepts and principles of microeconomics, with generous applications and examples. This self-teaching guide comes complete with key points, background information, quizzes at the end of each chapter, and even a final exam. Simple enough for beginners but challenging enough for advanced students, this is a lively and entertaining brush-up, introductory text, or classroom supplement.

Psychology Demystified helps students of Introductory Psychology understand their primary text and all the subjects in the standard curriculum.