Pervasive device and service discovery protocol in XBee sensor network

Internet of Things is a novel paradigm that combined microcomputer and wireless communication technology. IoT device will be considered as a pervasive and ubiquitous device that able to interact with it user and environment autonomously with minimum human intervention. At present, wireless technology already has pervasive features in the link and the network layer. They able to do the dynamic addressing, finding a neighbor and do the routing task such as in Xbee technology. In the future, pervasive sensing will support adaptive context-aware services that are not provided by the wireless sensor network protocol in the link and the network layer. Our research proposed pervasive device and service discovery protocol at the application level by creating a protocol in the smart sensor device and the smart sensor gateway. By implementing our protocol, the sensor network gateway is able to find each of the sensor network device and service descriptions and request the on-demand service to the smart sensor device. The protocol is implemented in two Arduino Uno integrated with XBee transceiver as the smart sensor device and the raspberry pi as the smart sensor gateway. Result shows, the gateway was able to find both device and service description in the smart sensor network with 4.13 seconds average time. The average round trip time for request and response data from the gateway is 0.201 seconds.