OFDM Wireless LANs: A Theoretical and Practical Guide - Sams

OFDM Wireless LANs: A Theoretical and Practical Guide explores OFDM WLAN basics, including components of OFDM and multi-carrier WLAN standards. This book also provides a practical approach to OFDM by including software and hardware examples and detailed implementation explanations. And it defines and explains the mathematical concepts behind OFDM necessary for successful OFDM WLAN implementations.

Linux in a Windows World - O’Reilly

Linux's unparalleled functionality and adaptability have made it the main alternative to Unix and Microsoft Windows operating systems. And with good reason. System administrators realize that this robust alternative can greatly improve their operating system's reliability and save them money, too. Linux systems are even less vulnerable to attacks by computer viruses and worms. Not surprisingly, businesses, government agencies, schools, and a wealth of other institutions are all looking to Linux to replace the Windows desktop for these same benefits. Linux in a Windows World takes an in-depth look at exactly how Linux can be brought into an organization that's currently based on Microsoft Windows systems. Featuring a litany of insider tips and techniques, Linux in a Windows World dispenses all the practical advice you need to migrate to this revolutionary open source software. Author Roderick W. Smith, himself a renowned system administrator and Linux convert, understands that the skills required to install, deploy, and maintain Linux are not easy to find. That's why he has tapped the absolute best source of information available: the Linux server experts who have made it their life's work to build and manage the Linux system. The latest in O'Reilly's line of bestselling Linux titles, Linux in a Windows World is an invaluable companion for any system administrator interested in integrating Linux into their Windows environment.

Hacker Linux Uncovered - A-List

Concentrating on Linux installation, tuning, and administration, this guide to protecting systems from security attacks demonstrates how to install Linux so that it is tuned for the highest security and best performance, how to scan the network and encrypt the traffic for securing all private traffics in a public network, and how to monitor and log the system to detect potential security problems. Backup and recovery policies that provide a structure for secure operations are also considered, and information related to configuring an Apache server, e-mail service, and the Internet gateway using a proxy server, an FTP server, DSN server for mapping DNS names to IP addresses, and firewall for system protection is provided.

Excel 2007 for Starters: The Missing Manual

The new Excel is radically different from previous versions. Over the years, Excel has grown in power, sophistication and capability, but its once-simple toolbar has been packed with so many features that not even the pros could find them all. For Excel 2007, Microsoft redesigned the user interface completely, adding a tabbed toolbar that makes every feature easy to locate.