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A Localization Algorithm Based on V2I Communications and AOA Estimation
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DOI：10.1109/LSP.2016.2639098.png)
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摘要
En 中文
Motivated by safety applications in urban vehicular scenarios, where GPS does not typically provide the required positioning accuracy, a GPS-free localization technique that exploits vehicle-to-infrastructure communications is proposed. In particular, it provides for a vehicle to opportunistically use the beacon packets received from a roadside unit (RSU) in order to obtain estimates of their angle of arrival. Such estimates, together with the RSU's position information within beacon packets, are fed to a weighted least squares algorithm that aims at localizing the vehicle. The algorithm tries to take advantage of reliable measurements typically collected closer to the RSU-where a very high signal-to-noise ratio yields an accurate angular resolution-while keeping robustness against multipath phenomena. Simulation results show the effectiveness of the proposed technique.
Keyword:
Angle of arrival (AOA)
positioning
vehicular ad-hoc network (VANET)
vehicle-to-infrastructure (V2I)
期刊
IF:
9.6
论文数:
1.1W
被引数:
1.7W
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