Patent ID: 8942212
Filing Date: 2015-01-27
Classification: H04W

Abstract:
1. An autoconfiguration method for a wireless sensor network which includes a plurality of wireless sensor nodes and a gateway apparatus for connecting to an IPv6 network outside the wireless sensor network, said method comprising the steps of: by a wireless sensor node when connected to the wireless sensor network, transmitting a router solicitation message, with insertion of discrete information, of a device or service within the wireless sensor node, to the gateway apparatus in order to set an IPv6 address in a IPv6 network; by said gateway apparatus, analyzing said received router solicitation message to extract the discrete information of a device or service, searching for a service server, which is located remotely and connected through the IPv6 network, based on said discrete information, and acquiring from the service server configuration information including information necessary for execution of a service application in said wireless sensor node and connection information necessary for connection with said service server; by said gateway apparatus, providing IPv6 packet transfer function between a MAC layer protocol used in the wireless sensor network and a MAC layer protocol used in the IPv6 network, and multicasting said router solicitation message received from said wireless sensor node into the IPv6 network, and receiving a router advertisement message which contains prefix information of the IPv6 address in the IPv6 network; by said gateway apparatus, setting said configuration information acquired from said service server in said router advertisement message upon receipt from the IPv6 network, and transferring said router advertisement message to the wireless sensor node; and by said wireless sensor node, upon receipt of the router advertisement message transferred from said gateway apparatus, analyzing said router advertisement message to read out said configuration information and providing said configuration information to the service application for execution.