Title:
位置測定用の方法及び装置
Document Type and Number:
Japanese Patent JP4574945
Kind Code:
B2
Abstract:
A system for locating a number of devices (112-130) by measuring signals transmitted between known location devices (112-118, 134-138, 214-218, 224-228) and unknown location devices (120-130, 222), and signals transmitted between pairs of unknown location devices (120-130,222), entering signal measurements into a graph function that includes a number of first sub-expressions, a number of which include signal measurement prediction sub-expressions, and have extrema when a predicted signal measurement is equal to an actual signal measurement, and optimizing the graph function.
Inventors:
Patwari, Neil Kay.
Odi, Robert Jay.
Allen, Vernon A.
Perkins, Matthew Earl.
Bourgeois, Monique Jay.
Odi, Robert Jay.
Allen, Vernon A.
Perkins, Matthew Earl.
Bourgeois, Monique Jay.
Application Number:
JP2002554744A
Publication Date:
November 04, 2010
Filing Date:
December 19, 2001
Export Citation:
Assignee:
MOTOROLA INCORPORATED
International Classes:
G01S5/02; G01S5/00; G01S11/02; G01S13/84; G01S19/25
Domestic Patent References:
| JP2000341740A |
Attorney, Agent or Firm:
Mamoru Kuwagaki