Method and apparatus for measuring transmitting time offset...

Details Method and apparatus for measuring transmitting time offset... Method and apparatus for measuring transmitting time offset...

2005-05-03

2005-05-03

Nguyen, Duc (Department: 2643)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456500, C455S456600, C342S450000, C342S463000

Reexamination Certificate

active

06889051

ABSTRACT:
An offset measuring method according to the present invention accurately measures a transmitting time offset of a base station. The offset measuring method for receiving signals from the radio base station and measuring the transmitting time offset of the radio base station includes the steps of calculating estimated values of transmitting time offset based on signals received at a plurality of observation points and selecting a minimum from the estimated offsets to determine the selected minimum value as transmitting time offset of the radio base station.

REFERENCES:
patent: 4057803 (1977-11-01), Coleman
patent: 5684794 (1997-11-01), Lopez et al.
patent: 6268824 (2001-07-01), Zhodzishky et al.
patent: 6275705 (2001-08-01), Drane et al.
patent: 7-181242 (1993-12-01), None
patent: WO 9956413 (1999-04-01), None
patent: WO 0069198 (2000-05-01), None
European Search Report dated Jul. 3, 2002, Munich.

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