Positioning terminal, information processing device, and positioning method
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsYasuhisa Yamazaki, Naoto Horiike
Life of this patent
Estimating the term…
Abstract
A positioning terminal includes: a reception unit which receives a first signal from a satellite and a second signal from a signal generator installed in a structure; and a control unit which, on the basis of a comparison result between a distance between a first positioning result acquired from the first signal and a second positioning result acquired from the second signal and the positioning accuracy of the second positioning result, outputs either the first positioning result or the second positioning result.
Claims11
A positioning terminal, comprising:
- a receiver, which in operation, receives a satellite signal from a satellite and an indoor signal from a signal generator installed in a structure;
- and
- a controller, which in operation, calculates a distance between a first position of the positioning terminal obtained at a first time and a second position of the positioning terminal obtained at the first time, the first position being obtained from the satellite signal and the second position being obtained from the indoor signal without using the satellite signal, and switches between outputting the first position of the positioning terminal obtained from the satellite signal at the first time and the second position of the positioning terminal obtained from the indoor signal without using the satellite signal at the first time, based on a result of comparing the distance between the first position and the second position with a positioning accuracy of the second position,
- wherein the controller switches to outputting the first position when the distance between the first position and the second position is less than the positioning accuracy.
A positioning method, comprising:
- receiving a satellite signal from a satellite and an indoor signal from a signal generator installed in a structure;
- calculating a distance between a first position of a positioning terminal obtained at a first time and a second position of the positioning terminal obtained at the first time, the first position being obtained from the satellite signal and the second position being obtained from the indoor signal without using the satellite signal;
- and
- switching between outputting of the first position of the positioning terminal obtained from the satellite signal at the first time and the second position of the positioning terminal obtained from the indoor signal without using the satellite signal at the first time, based on a result of comparing the distance between the first position and the second position with a positioning accuracy of the second position,
- wherein the first position is output when the distance between the first position and the second position is less than the positioning accuracy.
An information processing device which communicates with a terminal that receives a satellite signal from a satellite and an indoor signal from a signal generator installed in a structure, the information processing device comprising:
- a receiver, which in operation, receives a first signal associated with the satellite signal and a second signal associated with the indoor signal from the terminal;
- a processor, which in operation, calculates a distance between a first position of the terminal obtained at a first time and a second position of the terminal obtained at the first time, the first position being obtained from the first signal associated with the satellite signal and the second position being obtained from the second signal associated with the indoor signal without using the first signal, and
- a transmitter, which in operation, switches between transmitting, to the terminal, the first position of the terminal obtained from the first signal associated with the satellite signal at the first time and the second position of the terminal obtained from the second signal associated with the indoor signal without using the first signal at the first time, based on a result of comparing the distance between the first position and the second position with a positioning accuracy of the second position,
- wherein the transmitter switches to transmitting the first position when the distance between the first position and the second position is less than the positioning accuracy of the second position.
A positioning method performed by an information processing device which communicates with a terminal that receives a satellite signal from a satellite and an indoor signal from a signal generator installed in a structure, the method comprising:
- receiving a first signal associated with the satellite signal and a second signal associated with the indoor signal from the terminal;
- calculating a distance between a first position of the terminal obtained at a first time and a second position of the terminal obtained at the first time, the first position being obtained from the first signal associated with the satellite signal and the second position being obtained from the second signal associated with the indoor signal without using the first signal;
- and
- switching between transmitting, to the terminal, the first position of the terminal obtained from the first signal associated with the satellite signal at the first time and the second position of the terminal obtained from the second signal associated with the indoor signal without using the first signal at the first time, based on a result of comparing the distance between the first position and the second position with a positioning accuracy of the second position,
- wherein the first position is transmitted to the terminal when the distance between the first position and the second position is less than the positioning accuracy of the second position.
Dependencies are inferred from the claim text.