A low power wearable transceiver for human body communication

Area of Science:

• Biomedical Engineering
• Wireless Communication
• Integrated Circuit Design

Background:

• Wearable medical healthcare systems require efficient and low-power communication solutions.
• Existing systems face challenges in data rate, power consumption, and miniaturization.
• Utilizing the human body as a transmission medium offers a novel approach for short-range communication.

Purpose of the Study:

• To report a novel low-power transceiver for wearable medical healthcare systems.
• To demonstrate an energy-efficient wideband wireless communication scheme using the human body as a transmission medium.
• To present the chip architecture and wireless analog front-end characteristics.

Main Methods:

• Design and fabrication of a low-power transceiver using SMIC 0.18um 1P6M RF CMOS process.
• Implementation of a novel energy-efficient wideband wireless communication scheme.
• Simulation of real-time medical information collection through the human body.

Main Results:

• Achieved a maximum data rate of 15 Mbps.
• Total receiver sensitivity of -30 dBm.
• Chip size of 0.56 mm(2) with RX consuming 5mW and TX dissipating 1mW.
• Delivering power up to 10uW, suitable for body area network applications.

Conclusions:

• The developed transceiver is highly suitable for short-range body area network applications in wearable medical healthcare.
• The novel communication scheme enables efficient and low-power data transmission using the human body.
• The miniaturized chip design and low power consumption pave the way for advanced wearable medical devices.