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| 題名: | A Low-Power and Small Chip-area Multi-rate Human Body Communication DPFSK Transceiver for Wearable Devices |
| 作者: | Shih, H. Y.;Chang, Y.-C.;Yang, C.-W.;Chen, C.-C. |
| 關鍵詞: | Frequency shift keying , Baseband ,Receivers;Transceivers;Mixers;Limiting;Power harmonic filters |
| 日期: | 2019-08-27 |
| 上傳時間: | 2021-08-24 12:10:54 (UTC+8) |
| 摘要: | A low-power and small chip-area multi-rate human body communication (HBC) discontinuous-phase FSK (DPFSK) transceiver applied for wearable devices is presented. The transceiver is implemented in UMC 0.18 μm CMOS process with a small chip area of only 0.46 mm 2 . DPFSK modulation is adopted to reduce the hardware complexity of the transceiver. In the receiver, a direct-conversion front-end is adopted to eliminate polarization voltage of the electrode-skin interface. A delay line (DL)-based variable phase shifter used in the demodulator of the receiver is proposed for accomplishing of multi-rate DPFSK demodulation. In the transmitter, a digital frequency interpolator is adopted for achieving multi-rate DPFSK transmission. At a data rate of 1 Mb/s, the receiver and the transmitter consume the power of 1.79 mW and 700 μW, respectively. Therefore, energy consumption per received and transmitted bit are 1.79 nJ/bit and 0.7 nJ/bit, respectively. |
| 關聯: | IEEE Transactions on Circuits and Systems II: Express Briefs,67(7),p.1234–1238 |
| DOI: | 10.1109/TCSII.2019.2937746 |
| 顯示於類別: | [電機工程學系暨研究所] 期刊論文
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