Estimation of High Precision Carrier-Phase by Accumulated-Delta-Range (ADR) Data for Reduction of the Multipath Problem and Evaluation by 2D-MUSIC

Y. Goto, T. Iwata, K. Yamashina, H. Susaki, O. Arai

Abstract:	In order to solve the multipath problem, we estimated the direction of angle (DOA) of a signal wave from a GPS satellite and that of the undesired signal due to the multipath by making use of ADR (Accumulated Delta Range) data, which are obtained from standard type of GPS receivers. We aligned nine GPS receivers in a two-dimensional crossed-shape. For the ADR data obtained from the plural GPS receivers, we applied the 2D-MUSIC (Two-Dimensional MUltiple SIgnal Classification) method after compensating offset values caused by the satellites' and receivers' clock errors and differences in cable lengths connecting between the individual receivers and a data processing unit. As the result, we were able to estimate DOAs of the satellite and multipath with an angular error less than 10°.
Published in:	Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003) September 9 - 12, 2003 Oregon Convention Center Portland, OR
Pages:	1908 - 1913
Cite this article:	Goto, Y., Iwata, T., Yamashina, K., Susaki, H., Arai, O., "Estimation of High Precision Carrier-Phase by Accumulated-Delta-Range (ADR) Data for Reduction of the Multipath Problem and Evaluation by 2D-MUSIC," Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003), Portland, OR, September 2003, pp. 1908-1913.
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