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• W2301571502 abstract "Array Interpolation Methods with applications in Wireless Sensor Networks and Global Positioning Systems Author: Marco Antonio Marques Marinho Supervisor: Joao Paulo Carvalho Lustosa da Costa Co-supervisor: Felix Antreich Programa de Pos-graduacao em Engenharia Eletrica Brasilia, December of 2013 In the last three decades the study of antenna array signal processing techniques has received significant attention. A large number of techniques have been developed with different purposes such as the estimation of the direction of arrival (DOA), filtering or spatial separation of received signals, estimation of time delay of arrival (TDOA), Doppler frequency estimation and precoding of transmitted signals to maximize the power received by a different array. DOA estimation techniques are of particular interest for positioning systems based on radio waves such as the global positioning system (GPS) and for sensor mapping in wireless sensor networks (WSNs). These applications have the particular requirement of demanding the estimations to be made in real time or with reduced computational complexity. DOA estimation techniques that fulfill these requirements demand very specific antenna array structures that cannot, in general, be obtained in real implementations. In this work a set of techniques is presented that allows the interpolation of signals received in arrays of arbitrary geometry into arrays of specific geometry efficiently and robustly to allow the application of efficient DOA estimation techniques in arrays of arbitrary geometry. As an application of the proposed techniques precise mapping for WSNs and precise positioning for GPS receivers is presented." @default.
• W2301571502 created "2016-06-24" @default.
• W2301571502 creator A5033843922 @default.
• W2301571502 date "2013-12-01" @default.
• W2301571502 modified "2023-09-27" @default.
• W2301571502 title "Array interpolation methods with applications in wireless sensor networks and global positioning systems" @default.
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• W2301571502 hasPublicationYear "2013" @default.
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