Behaviour of a DGPS/Inertial System in an Urban Environment

Telmo Cunha, Phillip Tomé, Sérgio Cunha, Luisa Bastos

Abstract:	The paper describes the results of an urban survey using GPS together with a low cost inertial unit. The task was to map all the roads of a Portuguese city plus the lo-cation of bus stops, crossings and other urban equip-ment. This was accomplished using a car that was driven throughout the district carrying two GPS receiv-ers/ antennas and a low cost inertial measurement unit (IMU). All data was logged in a computer for post-processing together with measurements from a GPS ref-erence station. A technical description of the survey and the post-processing software are also presented.
Published in:	Proceedings of the 55th Annual Meeting of The Institute of Navigation (1999) June 27 - 30, 1999 Royal Sonesta Hotel Cambridge, MA
Pages:	541 - 546
Cite this article:	Cunha, Telmo, Tomé, Phillip, Cunha, Sérgio, Bastos, Luisa, "Behaviour of a DGPS/Inertial System in an Urban Environment," Proceedings of the 55th Annual Meeting of The Institute of Navigation (1999), Cambridge, MA, June 1999, pp. 541-546.
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