Sensor node and gateway mutually communicating in wireless sensor network

摘要

A gateway and method thereof are provided to communicate with sensor nodes. The gateway includes a generator configured to generate, based on schedule information on a previous uplink interval, response data. The gateway also includes an allocator configured to allocate a subsequent uplink interval to the sensor nodes to generate schedule information on the subsequent uplink interval. The gateway includes a transmitter configured to transmit the response data and the schedule information on the subsequent uplink interval to the sensor nodes.