Position estimation device and position estimation method
A position estimation device includes: a selector configured to select N wireless terminals and reselect N wireless terminals from M wireless terminals; a distance calculator configured to calculate distances among wireless terminals in a group consisting of a parent wireless terminal and the N wire...
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| creator | Takahashi, Hiroshi Shirakata, Naganori Nishiyasu, Kazuma Morita, Junichi |
| description | A position estimation device includes: a selector configured to select N wireless terminals and reselect N wireless terminals from M wireless terminals; a distance calculator configured to calculate distances among wireless terminals in a group consisting of a parent wireless terminal and the N wireless terminals based on information on power of radio signals of packets transmitted and received; a relative position calculator configured to calculate relative positions of the M wireless terminals based on the distances among the wireless terminals in the group for the N wireless terminals selected and reselected; and an absolute position converter configured to convert a relative position of a child wireless terminal into an absolute positon of the child wireless terminal based on the relative positions of the M wireless terminals and absolute positions of at least three of the M wireless terminals where the absolute positions are known. |
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a distance calculator configured to calculate distances among wireless terminals in a group consisting of a parent wireless terminal and the N wireless terminals based on information on power of radio signals of packets transmitted and received; a relative position calculator configured to calculate relative positions of the M wireless terminals based on the distances among the wireless terminals in the group for the N wireless terminals selected and reselected; and an absolute position converter configured to convert a relative position of a child wireless terminal into an absolute positon of the child wireless terminal based on the relative positions of the M wireless terminals and absolute positions of at least three of the M wireless terminals where the absolute positions are known.</description><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; 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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING WIRELESS COMMUNICATIONS NETWORKS |
| title | Position estimation device and position estimation method |
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