Method and apparatus for wireless position location

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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C455S070000, C455S065000, C455S067150, C375S148000, C375S267000

Reexamination Certificate

active

06990345

ABSTRACT:
In a method for locating a position of a terminal with use of weak signals, a combined weight to be used to separate a path from others through correlation calculation is obtained from a plurality of delay profiles measured in course of time. The obtained weight is used to combine the delay profiles and a path detection is carried out on the combined delay profiles.

REFERENCES:
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patent: 2001/0028677 (2001-10-01), Wang et al.
patent: 2002/0013130 (2002-01-01), Kim et al.
patent: 2002/0027957 (2002-03-01), Paulraj et al.
patent: 2003/0043929 (2003-03-01), Sampath
patent: 2004/0207556 (2004-10-01), Spilker et al.
patent: 7-181242 (1993-12-01), None
U.S. Appl. No. 09/616,314, Jul. 17, 2000.
U.S. Appl. No. 09/639,745, Aug. 15, 2000.
U.S. Appl. No. 10/180,492, Jun. 27, 2002.

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