WIRELESS SENSOR NETWORK, PARTICULARLY FOR MINIMIZING THE LOSS OF SENSING DATA OF A SENSOR NODE

摘要

PURPOSE: A wireless sensor network is provided to minimize the loss of sensing data during the transmission by using a relay node and a relay gateway.;CONSTITUTION: When plural sensor nodes(110) are split into the predetermined number of sub groups, a relay node is placed in the upper level in the each split sub-group. If the quantity of the stored data exceeds a predetermined threshold value, the relay node is connected to the corresponding relay gateway among the relay gateways(140,150). Through the connected relay gateway, the relay node(120) transmits the stored data.;COPYRIGHT KIPO 2010