SENSOR SYSTEM, DATA COLLECTING DEVICE, AND DATA COLLECTING METHOD

To provide a sensor system capable of reducing power consumption of a sensor terminal and surely changing measurement parameters.SOLUTION: A sensor system comprises a sensor terminal which collects data, and a data collecting device wirelessly connected to the sensor terminal. The sensor terminal en...

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Main Authors MORISHITA MASATOSHI, FUJIMORI TSUKASA, OKUMA KOSUKE
Format Patent
LanguageEnglish
Japanese
Published 06.02.2020
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Abstract To provide a sensor system capable of reducing power consumption of a sensor terminal and surely changing measurement parameters.SOLUTION: A sensor system comprises a sensor terminal which collects data, and a data collecting device wirelessly connected to the sensor terminal. The sensor terminal encrypts the sensor data measured by a sensor device according to received measurement parameters using a received encryption key, and transmits the encrypted sensor data to the data collecting device. The data collecting device decrypts the sensor data received from the sensor terminal. When the sensor data is normally decrypted, the data collecting device stores the decrypted sensor data in a storage unit. When the sense data is not normally decrypted, the data collecting device discards the undecrypted sensor data, and transmits the measurement parameters and the encryption key to the sensor terminal.SELECTED DRAWING: Figure 3 【課題】センサ端末の消費電力を低減しつつ、測定パラメータを確実に変更する。【解決手段】センサシステムであって、データを収集するセンサ端末と、前記センサ端末と無線を介して接続されるデータ収集装置とを備え、前記センサ端末は、受信した測定パラメータに従ってセンサデバイスが測定したセンサデータを、受信した暗号鍵を用いて暗号化し、前記暗号化されたセンサデータを前記データ収集装置に送信し、前記データ収集装置は、前記センサ端末から受信したセンサデータを復号し、センサデータが正常に復号された場合、前記復号されたセンサデータを前記記憶部に格納し、センサデータが正常に復号されなかった場合、前記復号されなかったセンサデータを破棄し、測定パラメータ及び暗号鍵を前記センサ端末に送信する。【選択図】図3
AbstractList To provide a sensor system capable of reducing power consumption of a sensor terminal and surely changing measurement parameters.SOLUTION: A sensor system comprises a sensor terminal which collects data, and a data collecting device wirelessly connected to the sensor terminal. The sensor terminal encrypts the sensor data measured by a sensor device according to received measurement parameters using a received encryption key, and transmits the encrypted sensor data to the data collecting device. The data collecting device decrypts the sensor data received from the sensor terminal. When the sensor data is normally decrypted, the data collecting device stores the decrypted sensor data in a storage unit. When the sense data is not normally decrypted, the data collecting device discards the undecrypted sensor data, and transmits the measurement parameters and the encryption key to the sensor terminal.SELECTED DRAWING: Figure 3 【課題】センサ端末の消費電力を低減しつつ、測定パラメータを確実に変更する。【解決手段】センサシステムであって、データを収集するセンサ端末と、前記センサ端末と無線を介して接続されるデータ収集装置とを備え、前記センサ端末は、受信した測定パラメータに従ってセンサデバイスが測定したセンサデータを、受信した暗号鍵を用いて暗号化し、前記暗号化されたセンサデータを前記データ収集装置に送信し、前記データ収集装置は、前記センサ端末から受信したセンサデータを復号し、センサデータが正常に復号された場合、前記復号されたセンサデータを前記記憶部に格納し、センサデータが正常に復号されなかった場合、前記復号されなかったセンサデータを破棄し、測定パラメータ及び暗号鍵を前記センサ端末に送信する。【選択図】図3
Author FUJIMORI TSUKASA
MORISHITA MASATOSHI
OKUMA KOSUKE
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Snippet To provide a sensor system capable of reducing power consumption of a sensor terminal and surely changing measurement parameters.SOLUTION: A sensor system...
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SubjectTerms ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PHYSICS
SELECTING
SIGNALLING
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS
Title SENSOR SYSTEM, DATA COLLECTING DEVICE, AND DATA COLLECTING METHOD
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