Title:
地上波デジタル統合放送サービス(ISDB-T)テレビ放送信号を利用した位置標定
Document Type and Number:
Japanese Patent JP2005512103
Kind Code:
A
Abstract:
A method, apparatus, and computer-readable media for determining the position of a user terminal (102) comprises receiving at the user terminal (102) a digital television (DTV) broadcast signal from a DTV transmitter (106A, 106B ..., 106N) ), wherein the DTV signal comprises an Integrated Services Digital Broadcasting - Terrestrial (ISDB-T) signal; determining a pseudo-range between the user terminal (102) and the DTV transmitter (106A, 106B,..., 106N) based on a known component in the broadcast DTV signal; and determining a position of the user terminal (102) based on the pseudo-range and a location of the DTV transmitter (106A, 106B,..., 106N).
Inventors:
Spiller, james, jay, junior
Rabinowitz Matthew
Rabinowitz Matthew
Application Number:
JP2003551971A
Publication Date:
April 28, 2005
Filing Date:
November 08, 2002
Export Citation:
Assignee:
Rotherm Corporation
International Classes:
G01S1/00; G01S5/02; G01S5/12; (IPC1-7): G01S5/14
Attorney, Agent or Firm:
Haruo Hamada