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Estimating signal strengths in the design of an indoor wireless network

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3 Author(s)
Hills, Alex ; Carnegie Mellon Univ., Pittsburgh, PA, USA ; Schlegel, J. ; Jenkins, B.

One issue in the design and implementation of a wireless local area network is the selection of access point (AP) locations. Proper AP placement is necessary to provide adequate signal coverage and also to minimize cochannel coverage overlap. The impact of incorrect placement of APs is significant. Placing APs too far apart can lead to gaps in coverage. On the other hand, placing the units too close together leads to excessive cochannel coverage overlap, degrading system performance. Currently, AP placement involves a "trial and error" technique. When a technician tests the effect of moving an AP from one location to another, it is necessary to spend considerable time manually measuring signal strengths in order to determine how this move affects the AP's coverage area. In this letter, we describe a procedure for estimating the coverage areas of relocated APs. The procedure can be used as part of a manual design process or as part of an automated design tool.

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Wireless Communications, IEEE Transactions on  (Volume:3 ,  Issue: 1 )