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All Journal Asian Journal of Science, Technology, Engineering, and Art
Omotayo, Oshiga
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Arts Computer Science & IT Engineering Social Sciences

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WSN Localization in Smart Cities Using Hybrid (TDOA & RSSI) Localization Techniques with Extended Kalman Filter Jude, Ishiwu Ifeanyichukwu; Omotayo, Oshiga; Karataev, Tologon; Awunde, Peter Igba; Kurfi, Nusaiba Bashir; Okpe, Michael Paul; Ejire, Ollor Abee; Ogheneovo, Odivwofene Excel
Asian Journal of Science, Technology, Engineering, and Art Vol 2 No 6 (2024): Asian Journal of Science, Technology, Engineering, and Art
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajstea.v2i6.4109

Abstract

In the context of smart cities, localization technologies are essential for tracking objects in both indoor and outdoor environments. The characteristics of urban settings such as building density, signal interference, and multipath propagation significantly impact the accuracy of localization algorithms. This paper reviews existing localization techniques, categorizing them into range-based and range-free methods, and discusses key algorithms including trilateration, multilateration, and triangulation. We propose a hybrid localization framework that combines Time Difference of Arrival (TDOA) and Received Signal Strength Indicator (RSSI) techniques, enhanced by an Extended Kalman Filter (EKF) for improved accuracy and robustness. Additionally, we present a design architecture for a transmitter and receiver system utilizing Long Range (LoRa) technology, facilitating the development of low-cost, low-power tracking devices that operate independently of Global Positioning System (GPS). Our approach aims to enhance the efficacy of localization in smart city applications, ultimately contributing to improved urban management and safety.
Co-Authors Awunde, Peter Igba Ejire, Ollor Abee Jude, Ishiwu Ifeanyichukwu Karataev, Tologon Kurfi, Nusaiba Bashir Ogheneovo, Odivwofene Excel Okpe, Michael Paul