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Spherical Wave Array Based Positioning for Vehicular Scenarios
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DOI：10.1109/ACCESS.2020.3001062.png)
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Abstract
En 中文
Smart vehicles are emerging as a possible solution for multiple concerns in road traffic, such as mobility and safety. This work presents radio localization methods based on simultaneous direction of arrival (DOA), time-delay, and range estimation using the SAGE algorithm. The proposed methods do not rely on external sources of information, such as global navigation satellite systems (GNSS). The proposed methods take advantage of signals of opportunity and do not require the transmission of location-specific signals; therefore, they do not increase the network load. A set of simulations using synthetic and measured data is provided to validate the proposed methods, and the results show that it is possible to achieve accuracy down to decimeter and centimeter-level.
Keywords:
Global navigation satellite system
Estimation
Antenna arrays
Safety
Roads
Direction-of-arrival estimation
Meters
Antenna arrays
localization
VANETs
vulnerable road user
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