Power-saving method for wireless sensor network

Details Power-saving method for wireless sensor network Power-saving method for wireless sensor network

2005-10-28

2008-11-04

Urban, Edward (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S343100, C455S343200, C455S343400, C370S311000, C370S318000

Reexamination Certificate

active

07447526

ABSTRACT:
A power saving method of the present invention is provide for a wireless sensor network including a plurality of sensor nodes each transiting between a power saving mode and a transmit/receive mode, determines whether or not there is no transmit or receive data, enters the power saving mode if there is no transmit or receive data, and controls power consumption on the basis of signal-to-noise ratios in the power saving mode. In the power saving method of the present invention, it is possible to minimize the power consumption regardless of nodes density and without an adverse effect on the connectivity of the network, since the sojourn times of the sleep and idle states are determined adaptive to the interference level from neighboring nodes.

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