Deploying license-free wireless wide-area networks by Jack Unger

By Jack Unger

Even if you are an IT director, ISP engineer, community architect, or box technician, Deploying License-Free instant Wide-Area Networks is your crucial reference. With sensible, in-depth assurance of the real-world demanding situations of outside, license-free instant WAN deployment, thisbook presents a complete, vendor-neutral consultant to winning instant community layout andoperation.

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Index signals. Understanding these propagation changes helps you design reliable wireless WANs. Deploying License-Free Wireless Wide-Area Networks ByJack Unger Precipitation Publisher: Cisco Press Pubsnow, Date: February 26, 2003 Rain, hail, fog, and sleet are all forms of precipitation—water or water vapor—that is ISBN: 1-58705-069-2 present in the air. As you evaluate the effect that each form of precipitation has on your wireless WAN, Pages: keep 352 in mind that the physical size of a wireless signal plays a big role in determining how that signal interacts with the precipitation that it encounters.

This refractivity change (called the refractivity complete, "start-to-finish" design, installation, operation, and support gradient orreal-world k-factor) usually causes microwave signals to curve downward slightlyinformation toward thefor wireless ISPs and other organizations deploying outdoor wireless WANs-including coverage of earth, as shown in Figure 2-10. 11g, and proprietary-protocol networks. This vendor-neutral book covers Figure 2-10. Signal Refraction in the Atmosphere • Table of Contents • Index Deploying License-Free Wireless Wide-Area Networks ByJack Unger Publisher: Cisco Press Pub Date: February 26, 2003 ISBN: 1-58705-069-2 Pages: 352 Best practices for planning and deployment of broadband WWANs.

Eventually, the system Avoid common new wireless operators fails completely and the antenna cabling must be replaced. Rain can also make surfaces (such as buildings and leaves) more multipath Minimize the effects of reflective, noise and increasing interference on your fading. 11g equipment more successfully in your own home, office, This is another reason to use nonobstructed paths between your antennas. If you try to or outdoor environment "blast through" trees, you are just setting yourself up to have problems.

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