Patent ID: 8736489
Filing Date: 2014-05-27
Classification: G01S

Abstract:
1. A GNSS receiver for receiving at least two kinds of signals transmitted from a GNSS satellite, the GNSS receiver comprising: a receiver for receiving signals transmitted from a plurality of GNSS satellites, each GNSS satellite transmitting a first navigation message superimposed on a first carrier frequency and a second navigation message superimposed on a second carrier frequency different from the first carrier frequency, the first and second navigation messages including the same kind of information; a first navigation message acquiring unit for acquiring predetermined information from the first navigation messages contained in the received signals from the plurality of GNSS satellites; a second navigation message acquiring unit for acquiring predetermined information from the second navigation messages contained in the received signals from the plurality of GNSS satellites; a navigation message processor for outputting either the predetermined information acquired from the first navigation message or the predetermined information acquired from the second navigation message, where the predetermined information includes the same kind of information contained in the different navigation messages, which is acquired by the navigation message acquiring unit; and a calculator for performing a calculation based on the outputted information.