Method and system for determining a location of a plurality...

Details Method and system for determining a location of a plurality... Method and system for determining a location of a plurality...

2007-09-25

2007-09-25

Nguyen, Duc M. (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

Reexamination Certificate

active

10747378

ABSTRACT:
A method and system is provided for determining a location for each of a plurality of units, which are sub-divided into more than one sub-net groupings, that each include two or more units. Within each sub-net grouping, measured range information between units within the sub-nets and one or more reference units is gathered in at least a selected one of the units. The selected one of the units then estimates a location for each of the units, which minimizes any error in the measured ranges between the units in each of the corresponding sub-nets.

REFERENCES:
patent: 6236662 (2001-05-01), Reilly
patent: 6473038 (2002-10-01), Patwari et al.
patent: 6807158 (2004-10-01), Krishnamurthy et al.
patent: 6859831 (2005-02-01), Gelvin et al.
patent: 6980524 (2005-12-01), Lu et al.
patent: 2003/0012168 (2003-01-01), Elson et al.
Andreas Savvides, Chih-Chieh Han, and Mani B.Strivastava; “Dynamic Fine-Grained Localization in Ad-Hoc Networks Of Sensors”; pp. 166-179.
Andreas Savvides, Heemin Park, and Mani B. Srivastava; The Bits and Flops of the N-hop Multilateration Primitive For Node Localization Problems; 10 pages.

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