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US 2002/0055362 A1Published application
Positioning method using mobile terminal and mobile terminal having positioning function
AssigneeNEC Corporation
InventorAkio Aoyama
Life of this patent
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Abstract
A mobile terminal has a neighboring mobile terminal communication unit for communicating with a neighboring mobile terminal existing near the mobile terminal for acquiring position information on the neighboring mobile terminal, and a position information calculation unit for calculating position information of the mobile terminal based on the position information acquired from the neighboring mobile terminal when such position information is available.
Claims24
A positioning method using a mobile terminal comprising the steps of:
- acquiring position information on a neighboring mobile terminal existing near said mobile terminal from said neighboring mobile terminal existing nearby;
- and
- calculating the position of said mobile terminal based on said position information to perform positioning.
A mobile terminal having a positioning function, comprising:
- an antenna for transmitting and receiving a radio signal;
- neighboring mobile terminal communicating means for transmitting position information on said mobile terminal through said antenna, and for receiving position information on a neighboring mobile terminal existing near said mobile terminal, transmitted from said neighboring mobile terminal, through said antenna;
- and
- position information calculating means for calculating the position of said mobile terminal based on the position information received by said neighboring mobile terminal communication means.
1 more element
Dependencies are inferred from the claim text.