Erry Gunawan

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About

Erry Gunawan has made significant contributions to wireless localization and ultra-wideband (UWB) communication systems, with a particular focus on overcoming the challenges of indoor multipath environments. His most cited work, "An Accurate 3D UWB Hyperbolic Localization in Indoor Multipath Environment Using Iterative Taylor-Series Estimation" (2013, 15 citations), introduces a precise method for source localization by leveraging time difference of arrival (TDOA) measurements. This approach uses the intersections of hyperboloids defined by TDOA signals received at multiple reference nodes, refined through iterative Taylor-series estimation to mitigate multipath errors. Gunawan’s research addresses critical issues in 3D positioning accuracy, which is essential for applications in robotics, asset tracking, and emergency response. His work demonstrates a practical UWB system employing Gaussian pulse transmitters, showcasing both theoretical rigor and experimental validation. With 15 citations, this paper underscores his impact on advancing indoor localization technologies. Gunawan’s contributions continue to influence the development of robust, high-precision positioning systems in challenging environments, making his research valuable for students and engineers working on wireless sensor networks and location-based services.