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This paper presents a compact K-band Doppler radar sensor for human vital signal detection that uses a radar configuration with only single coupler. The proposed radar front-end configuration can reduce the chip size and the additional RF power loss. The radar front-end IC is composed of a Lange coupler, VCO, and single balanced mixer. The oscillation frequency of the VCO is from 27.3 to 27.8 GHz. The phase noise of the VCO is -91.2 dBc/Hz at a 1 MHz offset frequency, and the output power is -4.8 dBm. The conversion gain of the mixer is about 11 dB. The chip size is 0.89×1.47 mm2. The compact Ka-band Doppler radar system was developed in order to demonstrate remote human vital signal detection. The radar system consists of a Ka-band Doppler radar module with a 2×2 patch array antenna, baseband signal conditioning block, DAQ system, and signal processing program. The front-end module size is 2.5×2.5 cm2. The proposed radar sensor can properly capture a human heartbeat and respiration rate at the distance of 50 cm.

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권호기사 목록 테이블로 기사명, 저자명, 페이지, 원문, 기사목차 순으로 되어있습니다.
기사명 저자명 페이지 원문 목차
A biomolecular sensing platform using RF active system Sang-Gyu Kim, Hee-Jo Lee, Jong-Gwan Yook pp.227-233

A compact Ka-band Doppler radar sensor for remote human vital signal detection Janghoon Han, Jeong-Geun Kim, Songcheol Hong pp.234-239

Circuit model analysis for traces that cross a DGS Kibum Jung, Jongkyung Lee, Yeon-Choon Chung, Jae-Hoon Choi pp.240-246

Front-to-back ratio improvement of a microstrip patch antenna loaded with soft surface structure in a partially removed ground plane Hong-Min Lee pp.247-253

Closely spaced two-element folded-dipole-driven quasi-Yagi array Son Xuat Ta, Sang-gu Kang, Ikmo Park pp.254-259

Determination of surface currents on circular microstrip antennas Wa'il A. Godaymi, Abdul-Kareem Abd Ali Mohammed, Zeki A. Ahmed pp.260-270

Effect of extremely low frequency magnetic fields on gene expression in human mammary epithelial MCF10A cells Mi-Na Hong, Hyung-Chul Lee, Bong Cho Kim, Yun-Sil Lee, Yoon-Myung Gimm, Sung-Ho Myung, Jae-Seon Lee pp.271-279

Control of phase and phase slope with reinvestigation of 1D CRLH transmission lines Dongho Jeon, Bomson Lee pp.280-286

Alternate time-switched space-frequency block coding technique for OFDM systems Hyeok Koo Jung pp.287-289

Determination of multisine coefficients for power amplifier testing Youngcheol Park, Hoijin Yoon pp.290-292

참고문헌 (10건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 M. Klotz, H. Rohling, "A 24 GHz short range radar network for automotive applications," in Proc. IEEE Radar Conf., pp. 115-199, 2001. 미소장
2 Range Correlation and$ I/ Q$Performance Benefits in Single-Chip Silicon Doppler Radars for Noncontact Cardiopulmonary Monitoring 네이버 미소장
3 E. F. Greneker, "Radar sensing of heartbeat and respiration at a distance with applications of the technology," in Proc. IEEE Radar Conf., pp. 150- 154, 1997. 미소장
4 A 5GHz Double-Sideband Radar Sensor Chip in 0.18$\mu$m CMOS for Non-Contact Vital Sign Detection 네이버 미소장
5 High-Sensitivity Software-Configurable 5.8-GHz Radar Sensor Receiver Chip in 0.13-$\mu$m CMOS for Noncontact Vital Sign Detection 네이버 미소장
6 T. Y. Kao, A. Chen, Y. Yan, T. M. Shen, and J. Lin, "A flip-chip-packaged and fully integrated 60 GHz CMOS micro-radar sensor for heartbeat and mechanical vibration detections," in Proc. IEEE RFIC Symp., pp. 443-446, Jun, 2012. 미소장
7 P. Abele, A. Trasser, E. Sonmez, K. B. Schad, A. Munding, and H. Schumacher, "A compact low-cost Doppler sensor MMIC in SiGe technology for the ISM band at 24 GHz," in Proc. 34th European Microwave Conf., pp. 1037-1040, 2004. 미소장
8 P. D. L. Beasley, A. G. Stove, and B. J. Reits, "Solving the problems of a single antenna frequency modulated CW radar," in Proc. IEEE Radar Conf., pp. 391-395, 1990. 미소장
9 Compact single-chip W-band FMCW radar modules for commercial high-resolution sensor applications 네이버 미소장
10 Balanced topology to cancel Tx leakage in CW radar 네이버 미소장

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