NETWORK SYSTEM AND NODE DEVICE GROUP

摘要

This network system includes a plurality of units of node devices and sensor devices connected via wireless communication to each of the node devices. The network system is provided with a node load detection unit (51) for detecting the load of each of the node devices (20) for each of a period having a length. The system is also provided with a wireless connection switching unit (52) for switching the connections via wireless communication of the sensor devices for the node devices (20) so as to balance the loads among the plurality of units of the node devices (20).