METHOD AND APPARATUS FOR PERFORMING WIRELESS SENSOR NETWORK COMMUNICATING SELECTIVELY USING INFRARED AND RADIO FREQUENCY COMMUNICATION

摘要

A method for radio sensor network communication by using infrared rays and RF communication and an apparatus therefor are provided to perform selectively infrared communication and RF communication for low power consumption, thereby realizing the RF sensor network communication with low power than performing communication with only an RF communication function. A first communication unit wakes up a neighbor node in a standby status through an infrared signal and transceives sensor data with the waked node. A second communication unit transceives the sensor data with the waked neighbor node through an RF(Radio Frequency) signal. A radio node processing unit(110) wakes up from the standby status if the wake-up signal of the infrared signal is received through the first communication unit, wakes up the neighbor node in the standby status through the first communication unit in order to transmit the received sensor data to a target node if the sensor data is received through one of the first and second communication units, and transmits the sensor data with the minimum power consumption through one of the first and second communication units.