发明名称 |
Method of determining the position of a target using transmitters of opportunity |
摘要 |
A method of determining the position of a target comprising the steps of: providing a transmitter or a plurality of transmitters to transmit a signal to the target, providing a receiver or a plurality of receivers to receive signals reflected from said target. Determining the time of arrival information of said reflected signal at the or each receiver; using information pertaining to the position of the or each receiver and/or the or each transmitter and with the information obtained determining the target position. Preferably the signal includes a modulated or coded portion unique to the transmitter; and said signal portion is associated with the or each particular transmitter by virtue of said signal portion. The signal maybe a mobile phone transmission, DAB, digital TV, digital Radio or digital satellite transmissions.
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申请公布号 |
US2005057395(A1) |
申请公布日期 |
2005.03.17 |
申请号 |
US20040485519 |
申请日期 |
2004.10.15 |
申请人 |
ATKINSON SIMON JOHN;BAKER ADAM ALEXANDER;RICKETT BRYAN STEPHEN;SMITH CHRISTOPHER NIGEL;WEEDON ROBERT JOHN |
发明人 |
ATKINSON SIMON JOHN;BAKER ADAM ALEXANDER;RICKETT BRYAN STEPHEN;SMITH CHRISTOPHER NIGEL;WEEDON ROBERT JOHN |
分类号 |
G01S13/00;G01S13/87;(IPC1-7):G01S3/02 |
主分类号 |
G01S13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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