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Security, Sensors, Access Points, Wireless, Antenna, GPS and GIS.

Site Surveys play a very important role in the successful and efficient deployment of wireless networks. The first step is to understand the basic goal of a wireless network, which is mainly to provide an appropriate coverage and throughput to all end users with high efficiency, full coverage and reasonable cost.

Site Surveys is very important for the sake of planning and designing a wireless network specifically in outdoor networks, to provide a wireless solution that will deliver the required wireless coverage, data rates, network capacity, roaming capability and Quality of Service (QoS). The survey usually involves a site visit to test for RF interference, and to identify optimum installation locations for access points. This requires analysis of building floor plans, inspection of the facility, and use of site survey tools. Interviews with IT management and the end users of the wireless network are also important to determine the design parameters for the wireless network.

Wireless Local Area Network (WLAN) can be implemented and deployed using different techniques and methodologies, starting from site survey to launching. The main problems are that some areas may not be covered well and the high cost of equipment.

This paper discusses a technique that helps determining the best location for access points using GPS system, in order to choose the optimal number of access points. This technique has a positive impact on the cost. Another important factor is the type of antenna, which has a very important effect on both cost and coverage issues.