Abstract: A correlation calculating method of correlating a received code signal obtained by demodulating a received signal, which is a signal obtained by receiving a positioning satellite signal, with a replica code signal is provided which includes: correlating values of the replica code signal in a chip period with values of the received code signal at first to n-th arrival times obtained by varying an arrival time of the chip period by 1/n chip (where n is an integer equal to or greater than 2); and acquiring a correlation calculation result at a 1/n chip interval by synthesizing the correlation calculation results.

Abstract: The terminal apparatus has: base station and terminal error information generating means for generating base station and terminal error information indicating a rate of the base station and terminal frequency difference with respect to the official frequency; geostationary satellite and terminal difference information generating means for generating geostationary satellite and terminal difference information indicating a geostationary satellite and terminal frequency difference; geostationary satellite and terminal error information generating means for generating geostationary satellite and terminal error information indicating a rate of the geostationary satellite and terminal frequency difference with respect to the geostationary satellite frequency; base station frequency error information generating means for generating base station frequency error information indicating a frequency error of a transmitting radio wave from the communication base station based on the base station and terminal error.

Abstract: The terminal apparatus has: base station and terminal error information generating means for generating base station and terminal error information indicating a rate of the base station and terminal frequency difference with respect to the official frequency; fixed satellite and terminal difference information generating means for generating fixed satellite and terminal difference information indicating a fixed satellite and terminal frequency difference; fixed satellite and terminal error information generating means for generating fixed satellite and terminal error information indicating a rate of the fixed satellite and terminal frequency difference with respect to the fixed satellite frequency; base station frequency error information generating means for generating base station frequency error information indicating a frequency error of a transmitting radio wave from the communication base station based on the base station and terminal error.

Abstract: A positioning device for receiving a satellite signal corresponding to a signal from a positioning satellite including a multipath recurrent district elevation information storing unit for storing multipath recurrent district elevation information indicating the elevation of a multipath recurrent district as elevation information of plural divisional areas, an elevation information obtaining position information generating unit for receiving the satellite signals and generating elevation information obtaining position information to obtain the elevation information, an elevation information obtaining unit for obtaining the elevation information of the divisional area corresponding to the elevation information obtaining position information and an elevation information using present position information generating unit for generating elevation information using present position information indicating the present position on the basis of the satellite signals and the elevation information.

Abstract: The terminal apparatus has: base station and terminal error information generating means for generating base station and terminal error information indicating a rate of the base station and terminal frequency difference with respect to the official frequency; fixed satellite and terminal difference information generating means for generating fixed satellite and terminal difference information indicating a fixed satellite and terminal frequency difference; fixed satellite and terminal error information generating means for generating fixed satellite and terminal error information indicating a rate of the fixed satellite and terminal frequency difference with respect to the fixed satellite frequency; base station frequency error information generating means for generating base station frequency error information indicating a frequency error of a transmitting radio wave from the communication base station based on the base station and terminal error.

Abstract: Position calculating methods and devices are described. Satellite information may be calculated, which includes satellite position, satellite movement speed, and satellite movement direction of a positioning satellite. A pseudo distance between the positioning satellite and a user may be calculated based on a satellite signal received from the positioning satellite. The position of the user may be calculated using the satellite information and the pseudo distance in executing a convergence calculation with positioning information for a reference satellite, thereby eliminating a time error term from unknown quantities.

Abstract: A communication base station has: a communication signal sending device for sending a communication signal including base station position information indicating a position of the communication base station and sending direction information indicating a sending direction from the communication base station, and the terminal apparatus has: a communication signal receiving device; a base station pseudo range information generating device; a satellite orbital position information generating device; a satellite pseudo range information generating device; a candidate position information generating device; and a positioning location information generating device for designating one position out of positions on the circumference indicated in the candidate position information on the basis of the sending direction information to generate positioning location information, and so on.

Abstract: A GPS receiver which performs correlation processing by using replicas of C/A codes generated in the GPS receiver after a GPS signal received from a GPS satellite is subjected to accumulating processing, wherein in the accumulating processing, a plurality of signals for integrating generated in the GPS receiver by predicting modulation of the GPS signal by a navigation message are integrated with the received GPS signal, and results of the integration are accumulatively added.

Abstract: A positioning method includes (a) adding cumulatively each of an I component and a Q component of a received signal of a positioning signal per polarity, the positioning signal being spread-modulated with a spread code reversed in polarity by a navigation data, (b) calculating sum of squares of the results of the cumulative addition in step (a), (c) executing correlation calculation of the sum of squares calculated in step (b) with a replica code of the spread code, and (d) executing predetermined positioning calculation based on the result of the correlation calculation in step (c) to perform positioning of the present location.

Abstract: A positioning method includes (a) executing a cumulative addition for either one of the polarities on each of an I Q components of a received positioning signal, which is spread-modulated with a spread code reversed in polarity by navigation data, (b) calculating sum of squares of the result of the cumulative addition, (c) calculating correlation between the sum of squares and a replica code of the spread code, and (d) executing a positioning calculation of the present location based on the result of the correlation calculation.

Abstract: A GPS receiver which performs correlation processing by using replicas of C/A codes generated in the GPS receiver after a GPS signal received from a GPS satellite is subjected to accumulating processing, wherein in the accumulating processing, a plurality of signals for integrating generated in the GPS receiver by predicting modulation of the GPS signal by a navigation message are integrated with the received GPS signal, and results of the integration are accumulatively added.

Abstract: A positioning device for receiving a satellite signal corresponding to a signal from a positioning satellite including a multipath recurrent district elevation information storing unit for storing multipath recurrent district elevation information indicating the elevation of a multipath recurrent district as elevation information of plural divisional areas, an elevation information achieving position information generating unit for receiving the satellite signals and generating elevation information achieving position information to achieve the elevation information, an elevation information achieving unit for achieving the elevation information of the divisional area corresponding to the elevation information achieving position information and an elevation information using present position information generating unit for generating elevation information using present position information indicating the present position on the basis of the satellite signals and the elevation information.

Abstract: A communication base station has: a communication signal sending device for sending a communication signal including base station position information indicating a position of the communication base station and sending direction information indicating a sending direction from the communication base station, and the terminal apparatus has: a communication signal receiving device; a base station pseudo range information generating device; a satellite orbital position information generating device; a satellite pseudo range information generating device; a candidate position information generating device; and a positioning location information generating device for designating one position out of positions on the circumference indicated in the candidate position information on the basis of the sending direction information to generate positioning location information, and so on.