Title:
受動的な反射器又は屈折器を代理受信機として使用するとともに、データベースへの問合せを利用した送信機の位置を測定するためのシステム及び方法
Document Type and Number:
Japanese Patent JP2004531736
Kind Code:
A
Abstract:
A system and method determines the location of a transmitter. At least one receiver receives a signal from the transmitter and at least one proxy receiver is an object that reflects and/or refracts a signal along an arriving path to the at least one receiver. A processor is operative with the at least one receiver and determines the location of the at least one proxy receiver based on one of querying a look-up table or extracting image features from the mapping system and determining the location of the transmitter based on the time of arrival and at least one of angle of arrival of signals from the at least one proxy receiver and transmitter.
Inventors:
Brian Holt
Application Number:
JP2003507571A
Publication Date:
October 14, 2004
Filing Date:
June 20, 2002
Export Citation:
Assignee:
Harris Corporation
International Classes:
G01S19/14; G01S5/02; H04W64/00; (IPC1-7): G01S5/02; H04Q7/34
Domestic Patent References:
| JPH11326482A | 1999-11-26 | |||
| JPH05100020A | 1993-04-23 | |||
| JP2000244968A | 2000-09-08 | |||
| JPH11326483A | 1999-11-26 | |||
| JP2002064440A | 2002-02-28 | |||
| JP2002094437A | 2002-03-29 | |||
| JP2002532691A | 2002-10-02 |
Foreign References:
| US3812493A | 1974-05-21 | |||
| US5280294A | 1994-01-18 |
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito