802.11 wireless network site surveying and installation by Bruce Alexander

By Bruce Alexander

802.11 instant community website Surveying and deploy starts off with an advent to WLAN architectures and definitions after which strikes directly to website survey methodologies, supporting you verify and handle your site's particular wishes. The ebook delves into the set up technique for WLAN gear, together with the principles and rules to which WLANs needs to adhere, a number of hindrances that come up while fitting WLAN gear, and how you can attach WLAN items to the stressed out community. 802.11 instant community website Surveying and set up is the complete consultant to appearing a WLAN website survey and effectively fitting your 802.11 instant network.This e-book is a part of the Networking expertise sequence from Cisco Press, which bargains networking pros priceless info for developing effective networks, figuring out new applied sciences, and construction profitable careers.

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Radio waves can bounce off of different layers of the atmosphere. 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 can be thought of as the volume of a signal. As an RF signal travels, it interacts with its surroundings (air molecules, walls, moisture, and so on) and loses some of its energy. The receiving device has a lower limit, called a receive threshold, that defines the amount of energy needed to receive the signal and be able to read the information that it contains. If a signal strength is lower than the receive threshold, the information contained in the signal cannot be properly decoded and is useless.

The AP's radio would then be able to work in all directions rather than the limited directional pattern of the Yagi. Another method is to add an AP to cover the other radio cell. This way both APs could properly handle the RF traffic, and each AP could use the higher-gain Yagi antenna to cover each area. S. regulations, the FCC added a regulation requiring connectors used on WLAN equipment manufactured after June 1994 to be of a "unique and non-standard" format. Canada followed suit with a similar regulation.

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