By Bruce Alexander

ISBN-10: 1587051648

ISBN-13: 9781587051647

802.11 instant community web site Surveying and install starts with an advent to WLAN architectures and definitions after which strikes directly to website survey methodologies, assisting you check and deal with your site's particular wishes. The ebook delves into the set up strategy for WLAN apparatus, together with the foundations and rules to which WLANs needs to adhere, a number of stumbling blocks that come up whilst fitting WLAN gear, and how you can attach WLAN items to the stressed community. 802.11 instant community website Surveying and set up is the entire advisor to acting a WLAN web site survey and effectively fitting your 802.11 instant network.This publication is a part of the Networking expertise sequence from Cisco Press, which bargains networking execs useful details for developing effective networks, realizing new applied sciences, and construction winning careers.

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Extra resources for 802.11 wireless network site surveying and installation

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Based on the surrounding noise, the speaker will have to raise his voice to a level that is strong enough to be heard over the other surrounding noise. This would be the signal-to-noise ratio. SNR is just that, a ratio between the desired signal (signal strength) and the ambient RF noise (noise floor). It is expressed in dB, and the required SNR will vary based on modulation, data rate, and quality of the receiver. Figure 2-17 shows an output screen from a WLAN device showing signal strength, noise floor, and SNR.

The reflecting properties of the area where the WLAN is to be installed are extremely important and can determine whether a WLAN works or fails. Furthermore, the connectors at both ends of the transmission line going to the antenna should be properly designed and installed so that no reflection of radio waves takes place. If the line and connectors are not properly matched, some energy will be thrown back as an echo and will constitute a loss in power from the system. Signal Strength, Noise, and Signal-to-Noise Ratio When performing a site survey, you will want to be concerned with several items to determine whether you have adequate coverage.

This is known as a reverse-polarity TNC (RP-TNC). Although they are similar to the standard TNC connectors, they cannot be mated with a standard connector. Therefore, you need to verify that all components you are purchasing (antennas, cables, and so on) are supplied with the same connector format. Part I: Understanding the Prerequisites of a Site Survey 55 56 Part I: Understanding the Prerequisites of a Site Survey Cables The antenna should be mounted at a location that utilizes its radiation pattern to maximum performance for the users.

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802.11 wireless network site surveying and installation by Bruce Alexander

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