Positioning system and positioning method
AssigneeNEC Corporation
InventorMakoto FUJINAMI
Life of this patent
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Abstract
A positioning system includes a terminal device that measures a position of the terminal device by using a first positioning method using first positioning signals transmitted from satellites included in a global positioning system and a second positioning method different from the first positioning method and a server device that transmits a positioning method setting instruction including a positioning method based on the position of the terminal device to the terminal device, in order to achieve continuous positioning without depending on a reception state of radio waves transmitted from the satellites included in the global positioning system.
Claims10
A positioning system comprising:
- a server device configured to transmit a positioning method setting instruction for specifying a positioning method based on a position of a terminal device to the terminal device;
- and
- a terminal device configured to measure a position of the terminal device by using at least either one of a first positioning method using first positioning signals transmitted from a plurality of satellites included in a global positioning system or at least one second positioning method different from the first positioning method according to the positioning method setting instruction.
A terminal device comprising:
- at least one memory storing instructions;
- and
- at least one processor connected to the at least one memory and configured to execute the instructions to:
- receive first positioning signals transmitted from a plurality of satellites included in a global positioning system;
- measure a position of the terminal device by a first positioning method using the first positioning signal;
- measure the position of the terminal device by at least one second positioning method different from the first positioning method;
- transmit a primary positioning result including the position of the terminal device to a server device;
- receive a positioning method setting instruction according to the primary positioning result from the server device;
- select a positioning result measured by a positioning method based on the received positioning method setting instruction;
- and
- output the selected positioning result.
A positioning method comprising:
- transmitting a positioning method setting instruction for specifying a positioning method based on a position of a terminal device to the terminal device;
- and
- measuring the position of the terminal device by using at least either one of a first positioning method using first positioning signals transmitted from a plurality of satellites included in a global positioning system or at least one second positioning method different from the first positioning method according to the positioning method setting instruction.
Dependencies are inferred from the claim text.