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Summary: Access Point Localization Using
Local Signal Strength Gradient
Dongsu Han1
, David G. Andersen1
, Michael Kaminsky2
,
Konstantina Papagiannaki2
, and Srinivasan Seshan1
1
Carnegie Mellon University
2
Intel Research Pittsburgh
Abstract. Many previous studies have examined the placement of ac-
cess points (APs) to improve the community's understanding of the
deployment and behavioral characteristics of wireless networks. A key
implicit assumption in these studies is that one can estimate the AP lo-
cation accurately from wardriving-like measurements. However, existing
localization algorithms exhibit high error because they over-simplify the
complex nature of signal propagation. In this work, we propose a novel
approach that localizes APs using directional information derived from
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