WIRELESS SENSOR NETWORK SYSTEM USING PUMPING NODE HAVING 802. 15. 4 MEDIA ACCESS CONTROL AND ETHERNET MEDIA ACCESS CONROL COMMUNICATION FUNCTIONS

摘要

PURPOSE: A wireless sensor network system using a pumping node having 802.15.4 media access control and Ethernet media access control communication functions is provided to promptly transmit transmission information having high capacitance by directly transmitting transmission information to a server through an Ethernet MAC network when the amount of transmission information are rapidly increased. CONSTITUTION: A first fixed node(FN1) transmits to a pumping node(PN) a first transmission MAC packet including a transmission network packet according to a routing path. Second fixed nodes(FN2-FN4) transmit second routers(RT2) the second transmission MAC packets including second transmission network packets according to the first routing route. The second routers communicate with each other according to the second routing route to transmit the second transmission MAC packets to a first router(RT1).