Power-Saving Design of Radio Frequency Identification Sensor Networks in Bus Seatbelt Monitoring Systems

Area of Science:

• Engineering
• Computer Science
• Transportation Safety

Background:

• Passenger safety in intercity buses relies on effective seatbelt usage monitoring.
• Existing radio frequency identification (RFID) sensor networks face power-saving challenges in bus seatbelt monitoring applications.
• Current methods for seat identification can be complex and costly.

Purpose of the Study:

• To propose a novel low-power design approach for RFID sensor nodes in bus seatbelt monitoring.
• To address the issues and challenges associated with power consumption in these networks.
• To reduce development costs and operational complexity.

Main Methods:

• Developed a new hardware and software design for low-power layout and parameter setting in RFID sensor nodes.
• Implemented a one-to-many pairing registration method between concentrators and seat nodes.
• Enabled direct storage of node identification (ID) into the concentrator, bypassing intermediate software operations.

Main Results:

• The proposed design significantly improves power efficiency in RFID sensor networks for seatbelt monitoring.
• The one-to-many pairing method simplifies node registration and management.
• Direct node ID storage in the concentrator reduces development costs and operational overhead.
• Experimental tests validated the effectiveness of the low-power design approach.

Conclusions:

• The developed low-power design approach is effective for RFID sensor networks in bus seatbelt monitoring.
• This innovation enhances passenger safety through reliable seatbelt state monitoring.
• The method offers a cost-effective and efficient solution for intercity bus transportation.