| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a communication method in a sensor coordination network, an infrastructure sensor, and a mobile sensor capable of carrying out sensing, without imposing a load on a user and attaining low power operations by building up a contrivance for carrying out more efficient sensing and transmission/reception of sensing data. <P>SOLUTION: The infrastructure sensor repetitively executes transmission of a beacon signal and a receiving state of a sensor data network entry signal for a particular period, receives the sensor data network entry signal transmitted from the mobile sensor for receiving the beacon signal and transmits its acknowledgement signal, and thereafter, transmits environment information through a sensing information exchange slot. Further, after receiving the acknowledgement signal, the mobile sensor carries out power-down control, until the sensing data are received. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
