نتایج جستجو برای: vehicle positioning

تعداد نتایج: 157231  

2009
M. Efatmaneshnik Mahmoud Efatmaneshnik

Dedicated Short Range Communication (DSRC) technology protocols form a platform for vehicle to vehicle communications. This communication platform will enable Vehicular Adhoc NETworks (VANTEs) through which many Intelligent Transport Systems applications including cooperative positioning of vehicles become possible. Cooperative positioning integrates the on board GPS information of vehicles in ...

Journal: :J. Aerospace Inf. Sys. 2017
Andrew Bingler Kamran Mohseni

This paper presents the autonomous micro aerial vehicle pilot, a new autopilot platform weighing 6.25 g and measuring 11.3 cm2, specifically designed for use on micro/miniature aerial vehicle mobile sensing platforms. An overview of the hardware, firmware, ground station, and validation testing used to demonstrate this autopilot as a viable research instrument for atmospheric thermodynamic sens...

2017
Fabian de Ponte Müller

Future driver assistance systems will rely on accurate, reliable and continuous knowledge on the position of other road participants, including pedestrians, bicycles and other vehicles. The usual approach to tackle this requirement is to use on-board ranging sensors inside the vehicle. Radar, laser scanners or vision-based systems are able to detect objects in their line-of-sight. In contrast t...

Journal: :CoRR 2017
Gloria Soatti Monica Nicoli Nil Garcia Benoît Denis Ronald Raulefs Henk Wymeersch

Absolute positioning of vehicles is based on Global Navigation Satellite Systems (GNSS) combined with on-board sensors and high-resolution maps. In Cooperative Intelligent Transportation Systems (C-ITS), the positioning performance can be augmented by means of vehicular networks that enable vehicles to share location-related information. This paper presents an Implicit Cooperative Positioning (...

2015
Yurong Jiang Hang Qiu Matthew McCartney Gaurav Sukhatme Marco Gruteser Fan Bai Donald Grimm Ramesh Govindan

Precise positioning of an automobile to within lane-level precision can enable better navigation and context-awareness. However, GPS by itself cannot provide such precision in obstructed urban environments. In this paper, we present a system called CARLOC for lanelevel positioning of automobiles. CARLOC uses three key ideas in concert to improve positioning accuracy: it uses digital maps to mat...

2011
Shigeo Shioda

We study the connectivity in vehicular ad-hoc networks in a downtown scenario, where the mobility of vehicles is constrained on a lattice-shaped road network. We theoretically investigate the connectivity under the Poissonpositioning assumption, where vehicles are positioned according to a Poisson process on each road at any arbitrary instants. We find that the Poisson-positioning assumption al...

Journal: :EURASIP J. Wireless Comm. and Networking 2015
Jiri Blumenstein Ales Prokes Tomas Mikulasek Roman Marsalek Thomas Zemen Christoph F. Mecklenbräuker

Measurements of Ultra Wide Band In-vehicle channel-statistical description and TOA positioning feasibility study.

2012
Ting-Li Chien Chia-Wei Lin Chiou-Jye Huang Chung-Cheng Chen C.-C. CHEN

The paper deals with a novel fuzzy feedback linearization control of dynamic positioning marine vehicle with the almost disturbance decoupling performance. The main contribution of this study is to construct a controller such that the resulting dynamic positioning marine vehicle is valid for any initial and desired positions with the following characteristics: input-to-state stability with resp...

Journal: :I. J. Robotics Res. 2010
Oleg Burdakov Patrick Doherty Kaj Holmberg Jonas Kvarnström Per-Magnus Olsson

When unmanned aerial vehicles (UAVs) are used for surveillance, information must often be transmitted to a base station in real time. However, limited communication ranges and the common requirement of free line of sight may make direct transmissions from distant targets impossible. This problem can be solved using relay chains consisting of one or more intermediate relay UAVs. This leads to th...

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