Technique of detecting the propagation environment of radio...

Details Technique of detecting the propagation environment of radio... Technique of detecting the propagation environment of radio...

2008-04-29

2008-04-29

Nguyen, Tony T. (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

C455S115100, C455S423000

Reexamination Certificate

active

07366474

ABSTRACT:
In a detector device10of the invention, a wave detection module20receives and detects radio wave in a predetermined frequency band, which is used by a target wireless communication device for telecommunication. An extraction module30extracts a pattern representing a time-series variation in presence or absence of the detected radio wave. An identification module40compares the extracted pattern with inherent patterns of radio wave transmitted from plural devices, which use the radio wave in the predetermined frequency band and include the target wireless communication device, and thereby identifies the propagation environment of the radio wave transmitted from the target wireless communication device. A display module50displays a result of the identification by changing lighting statuses of LEDs. When smooth telecommunication of a wireless communication device is interrupted, this arrangement of the invention desirably identifies the reason of the interrupted communication.

REFERENCES:
patent: 5423071 (1995-06-01), Hanninen
patent: 5740531 (1998-04-01), Okada
patent: 6347230 (2002-02-01), Koshima et al.
patent: 6839558 (2005-01-01), Namura et al.
patent: 2002/0142744 (2002-10-01), Okanoue et al.
patent: 6-37762 (1994-02-01), None
patent: 2001-16057 (2001-01-01), None
patent: 2002-034077 (2002-01-01), None
European Search Report dated Dec. 5, 2005 from corresponding European Application No. 03252825.9-2411.
Japanese Office Action dated Mar. 15, 2005 from corresponding Japanese Application No. 2002-342609.

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