Radio network system capable of autonomous estimation using...

Details Radio network system capable of autonomous estimation using... Radio network system capable of autonomous estimation using...

2007-03-30

2011-11-15

Corsaro, Nick (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S041200, C455S440000

Reexamination Certificate

active

08060107

ABSTRACT:
A radio apparatus forming a radio network system calculates a calculated distance, based on a tentative self-position and tentative positions of a plurality of radio apparatuses existing in the vicinity. The radio apparatus successively and autonomously corrects the tentative self-position so that the calculated distance comes closer to the measured distance, relying more heavily on the calculated distance than the measured distance between itself and each of the plurality of radio apparatuses, and determines the position of itself. Other radio apparatuses also successively correct the tentative self-positions by the same method as the radio apparatus, and determine the positions of themselves.

REFERENCES:
patent: 2004/0033808 (2004-02-01), Rorabaugh
patent: 2004/0203380 (2004-10-01), Hamdi et al.
patent: 2005/0233748 (2005-10-01), Robinson et al.
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patent: 2006-003187 (2006-01-01), None
patent: 2007-248362 (2007-09-01), None
patent: WO 03/044986 (2003-05-01), None
Harter et al. “The Anatomy of a Context-Aware Application”, MOBICOM, 1999.
Japanese Notice of Reason(s) for Refusal, w/ English translation thereof, issued in Japanese Patent Application No. JP 2006-097207 dated Apr. 19, 2011.
Japanese Office Action, w/ English translation thereof, issued in Japanese Patent Application No. 2006-097207, dated Sep. 13, 2011.

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