Virtual grid

Details Virtual grid Virtual grid

2011-04-12

2011-04-12

Shah, Chirag G (Department: 2477)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S254000, C370S386000

Reexamination Certificate

active

07924735

ABSTRACT:
A method for constructing a virtual grid (10) for routing data via wireless sensor nodes (20) of a sensor field (30), the method comprising: flooding the sensor field (30) to identify a first terminator (V1), the flooding originating from a first node (V0); flooding the sensor field (30) to identify a second terminator (V2), the flooding originating from the first terminator (V1); and forming a main communication path (40) by selecting nodes between the first and second terminators (V1, V2); wherein the virtual grid (10) is constructed by flooding the sensor field (30) such that each node in the sensor field (30) is assigned a row identifier relative to the main communication path (40), the flooding originating from the nodes belonging to the main communication path (40); and wherein each node is assigned a column identifier according to its hop count from the first terminator (V1).

REFERENCES:
patent: 6816862 (2004-11-01), Mulgund et al.
patent: 2003/0154262 (2003-08-01), Kaiser et al.
patent: 2003/0202479 (2003-10-01), Huang et al.
patent: 2004/0151130 (2004-08-01), Beshai et al.
patent: WO 01/26328 (2001-04-01), None
patent: WO 02/087172 (2002-10-01), None

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