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• W3204057202 abstract "With the improvement of living standard and the development of science and technology, Internet of Vehicle (IOV) will play an important part in industrial transportation as a main research field of Internet of Things. As a result, it is very necessary to grasp the location of vehicle. However, the traditional single global position system is easily affected by the external environment, so an accessorial locating approach based on wideband direction of arrival (DOA) estimation in intelligent transportation is proposed. First, model the array received signal on the road infrastructure. Then, by means of random forest regression (RFR) in the supervised learning, upper triangle elements of the covariance matrix of each frequency and the actual DOA are, respectively, extracted as the input features and output parameters; thus, the corresponding prediction coefficients are solved by training. After that, the trained RFR model can be used to calculate the final direction using test samples. Finally, these vehicles can be located according to the geometrical relation between the vehicle and the infrastructure. The proposed algorithm is not only suitable for uncorrelated signals but also for uncorrelated and correlated mixed signals without wideband focusing. The simulations show that compared with some sparse recovery algorithm, the prediction accuracy and resolution are effectively improved." @default.
• W3204057202 created "2021-10-11" @default.
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• W3204057202 date "2021-10-08" @default.
• W3204057202 modified "2023-10-14" @default.
• W3204057202 title "Accessorial Locating for Internet of Vehicles Based on DOA Estimation in Industrial Transportation" @default.
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• W3204057202 doi "https://doi.org/10.1155/2021/8241773" @default.
• W3204057202 hasPublicationYear "2021" @default.
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