SENSOR MODULE, SENSOR NETWORK SYSTEM, DATA TRANSMISSION METHOD, DATA TRANSMISSION PROGRAM, AND DATA COLLECTION METHOD IN SENSOR NETWORK SYSTEM

• Main Authors: YAMADA RYOTA, ISHIDA YUI, UMEKI HAJIME, HAYAMA KOSUKE, NGUYEN MANH TAI, OZAWA HISASHI
• Format: Patent
• Language: English; French; German
• Published: 21.01.2015
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PHYSICS; SELECTING; SIGNALLING; TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS; WIRELESS COMMUNICATIONS NETWORKS

A sensor module that transmits at a predetermined transmission interval, via a network, data obtained by measurement to an externally installed information processing device sets, together with a nearby sensor module, a predetermined module group in which a plurality of sensor modules for transmitting measurement data according to data processing in the information processing device are put together. Then, together with the nearby sensor modules, one sensor module among the predetermined module group is set as a reference sensor module for which a transmission interval is maintained at a predetermined transmission interval, and transmission intervals of measurement data of sensor modules other than the reference sensor module are changed to a prolonged transmission interval that is longer than the predetermined transmission interval. With this, a reduction in power consumption is realized as much as possible in the sensor module that measures environmental parameters such as temperature and humidity and transmits the measured data to the information processing device.