Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-03-22
2010-11-09
Afshar, Kamran (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S337000, C370S256000, C370S445000
Reexamination Certificate
active
07830834
ABSTRACT:
A wireless communication network includes a network coordinator (NC) having plural channels and plural wireless transceivers, and plural nodes. Each node has status information, a number of channels and a number of wireless transceivers. Each node and the NC communicate in a Carrier Sense Multiple Access mode. Each node communicates the status information thereof to or toward the NC in a Time Division Multiple Access mode having plural time slots. The NC assigns the time slots and the channels to the nodes to provide a plurality of collision-free schedules therefor. The NC sends, for each node, a corresponding one of the collision-free schedules to or toward a corresponding one of the nodes. Each collision-free schedule includes a corresponding number of the time slots and a corresponding number of the channels that the corresponding one of the nodes employs to communicate the status information thereof to or toward the NC.
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Maroti, M. et al., “The Flooding Time Synchronization Protocol”, ACM SenSys '04, 2004, 11 pp.
Das Sujit R.
Pereira Luis R.
Yan Ting
Afshar Kamran
Choo Munsoon
Eaton Corporation
Moran Martin J.
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