Journal
IEEE TRANSACTIONS ON INFORMATION TECHNOLOGY IN BIOMEDICINE
Volume 14, Issue 6, Pages 1387-1396Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TITB.2010.2053942
Keywords
Body sensor network; bioinformation; biosignal acquisition; healthcare; low-power; radio-frequency identification (RFID); reader; transponder
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Funding
- Chip Implementation Center
- National Science Council, Taiwan [NSC98-2220-E-194-002, NSC98-2220-E-194-007, NSC96-2628-E-194-015-MY3]
- Australian Research Council, Australia
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This paper presents low-power radio-frequency identification (RFID) technology for intelligent healthcare systems. With attention to power-efficient communication in the body sensor network, RF power transfer was estimated and the required low-power ICs, which are important in the development of a healthcare system with miniaturization and system integration, are discussed based on the RFID platform. To analyze the power transformation, this paper adopts a 915-MHz industrial, scientific, and medical RF with a radiation power of 70 mW to estimate the power loss under the 1-m communication distance between an RFID reader (bioinformation node) and a transponder (biosignal acquisition nodes). The low-power ICs of the transponder will be implemented in the TSMC 0.18-mu m CMOS process. The simulation result reveals that the transponder's IC can fit in with the link budget of the UHF RFID system.
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