WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR MANAGING AN UNDERGROUND FACILITY
First Claim
Patent Images
1. A wireless communication system for managing an underground facility comprising:
- at least one sensor node attached to the underground facility configured to transmit a sensing signal via magnetic field communication after detecting the status information of the underground facility in accordance with a driving signal, the driving signal comprising a wake-up signal; and
an information collection device configured to;
transmit the driving signal to the sensor node;
collect the sensing signal transmitted from the sensor node; and
transmit the collected information to a monitoring system via short-range wireless communication.
1 Assignment
0 Petitions
Accused Products
Abstract
A wireless communication system for managing an underground facility includes: at least one sensor node attached to the underground facility configured to transmit a sensing signal via magnetic field communication after detecting the status information of the underground facility in accordance with a driving signal, the driving signal comprising a wake-up signal; and an information collection device configured to: transmit the driving signal to the sensor node; collect the sensing signal transmitted from the sensor node; and transmit the collected information to a monitoring system via short-range wireless communication.
-
Citations
15 Claims
-
1. A wireless communication system for managing an underground facility comprising:
-
at least one sensor node attached to the underground facility configured to transmit a sensing signal via magnetic field communication after detecting the status information of the underground facility in accordance with a driving signal, the driving signal comprising a wake-up signal; and an information collection device configured to; transmit the driving signal to the sensor node; collect the sensing signal transmitted from the sensor node; and transmit the collected information to a monitoring system via short-range wireless communication. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A sensor node, attached to an underground facility, transmitting a sensing signal via magnetic field communication by detecting status information of the underground facility in accordance with a driving signal which carries a wake-up signal and a charging signal, the sensor node comprising:
-
a sensor configured to transmit the sensing signal by detecting status information of the underground facility in accordance with the wake-up signal; a communication unit configured to perform data communication via magnetic field communication; a charging unit configured to charge a battery by receiving the charging signal which is incorporated in the driving signal transmitted from an information collection device; and a control unit configured to; transmit the sensing signal, detected by the sensor in accordance with the wake-up signal of the driving signal transmitted from the information collection device in accordance with the wake-up period of the driving signal, to the information collection device via magnetic field communication; and transmit a control signal for charging the battery through the charging unit in accordance with the charging period.
-
-
11. An information collection device transmitting a driving signal which includes a wake-up signal and a charging signal to at least one sensor node which is attached to an underground facility and transmits a sensing signal via magnetic field communication by detecting the condition of the underground facility, collecting the sensing signal transmitted from the sensor node, transmitting the collected sensing signal via short-range wireless communication, the information collection device comprising:
-
a magnetic field communication unit configured to; transmit the driving signal to the sensor node via magnetic field communication; and receive the sensing signal transmitted from the sensor node; a short-range communication unit configured to perform data communication with a monitoring system via short-range communication; a memory configured to store the sensing signal of the corresponding sensor node collected by the information collection device; and a controller unit configured to; generate the driving signal in accordance with the sensing schedule of the sensing node; transmit the driving signal to the sensing node from the magnetic field communication unit; collect the sensing signal received from the magnetic field communication unit; and transmit the collected sensing signal to the controller unit through the short-range wireless communication unit. - View Dependent Claims (12, 13, 14, 15)
-
Specification