A new half cycle ambiguity resolution method for GPS attitude determination system

Seok Bo Son, Chansik Park and Sang Jeong Lee

Abstract:	In this paper, a fast and practical method to resolve the half cycle ambiguity is proposed. The method resolves the half cycle ambiguity by comparing data sequences from multiple antennas. It is possible to resolve the half cycle ambiguity within tens of milliseconds using the fact that demodulated data sequences from multiple antennas are identical for the same SV (Satellite Vehicle). The performance of the proposed method is evaluated using an attitude determination system designed by authors. The designed system consists of four antennas, 4 DSP (48 channels), a microprocessor, memory part and I/Os. The test results show that the half cycle ambiguity can be resolved within 20ms and seamless attitude is obtained.
Published in:	Proceedings of the 13th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2000) September 19 - 22, 2000 Salt Palace Convention Center Salt Lake City, UT
Pages:	2227 - 2232
Cite this article:	Son, Seok Bo, Park, Chansik, Lee, Sang Jeong, "A new half cycle ambiguity resolution method for GPS attitude determination system," Proceedings of the 13th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2000), Salt Lake City, UT, September 2000, pp. 2227-2232.
Full Paper:	ION Members/Non-Members: 1 Download Credit Sign In