Multiplex communications – Communication over free space – Repeater
Reexamination Certificate
2011-06-28
2011-06-28
Chang, Kent (Department: 2617)
Multiplex communications
Communication over free space
Repeater
C370S345000, C340S539240, C455S073000
Reexamination Certificate
active
07969928
ABSTRACT:
A method and apparatus that allocates bandwidth among wireless sensor nodes in a wireless sensor network (WSN) is disclosed. The method may include allocating transmission time slots for a plurality of wireless sensor nodes based on at least one channel quality metric, determining battery levels in each of the plurality of wireless sensor nodes and average battery level of all of the plurality of wireless sensor nodes, determining differences in battery level between each of the plurality of wireless sensor nodes and average battery level of all of the plurality of wireless sensor nodes, wherein if any such difference is above a predetermined threshold, increasing the transmission time slots allocation of wireless sensor nodes having higher battery levels relative to other wireless sensor nodes in the plurality of wireless sensor nodes.
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Chiricescu Silviu
Saidi Ali
Chang Kent
Motorola Solutions, Inc.
Siddiqui Kashif
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