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1. (WO2018179550) POSITIONING SYSTEM, METHOD AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM FOR GLOBAL NAVIGATIONAL SATELLITE SYSTEM

Pub. No.:    WO/2018/179550    International Application No.:    PCT/JP2017/038828
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Sat Oct 21 01:59:59 CEST 2017
IPC: G01S 19/43
G01S 19/44
G01S 19/22
Applicants: MITSUBISHI ELECTRIC CORPORATION
Inventors: KIM, Kyeong, Jin
XU, Dongyang
ORLIK, Philip
Title: POSITIONING SYSTEM, METHOD AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM FOR GLOBAL NAVIGATIONAL SATELLITE SYSTEM
Abstract:
The present invention relates to a positioning system for global navigational satellite system (GNSS) includes a first receiver to measure a first carrier phase of a carrier signal emitted by a satellite and a second receiver to measure a second carrier phase of the carrier signal emitted by the satellite. The, first carrier phase includes a first carrier phase ambiguity as an unknown integer number of wavelengths of the carrier signal travelled between the satellite and the first receiver. Similarly, the second carrier phase includes a second carrier phase ambiguity as an unknown integer number of wavelengths of the carrier signal travelled between the satellite and the second receiver. The GNSS includes a processor to determine an integer ambiguity difference between the first carrier phase ambiguity and the second carrier phase ambiguity from a difference in the measurements of the first carrier phase and the second carrier phase and to detect a multipath of the carrier signal based on a value of the integer ambiguity difference and tracked set of integer ambiguity differences.