Authors’ Reply to “Respiration Rate Measurement Under 1-D Body Motion Using Single Continuous-Wave Doppler Radar Vital Sign Detection System”

The authors of the above paper <xref ref-type="bibr" rid="ref1">[1]</xref>, would like to thank Yang and Huang <xref ref-type="bibr" rid="ref2">[2]</xref> for pointing out the omissions in <xref ref-type="bibr" rid="ref1">[1, eqs. (13) and (16)]</xref>. These equations need to be corrected to avoid confusion. Further clarifications are provided below.

[1]  Jenshan Lin,et al.  Fast Acquisition of Heart Rate in Noncontact Vital Sign Radar Measurement Using Time-Window-Variation Technique , 2016, IEEE Transactions on Instrumentation and Measurement.

[2]  Tzyy-Sheng Horng,et al.  Single-Antenna Doppler Radars Using Self and Mutual Injection Locking for Vital Sign Detection With Random Body Movement Cancellation , 2011, IEEE Transactions on Microwave Theory and Techniques.

[3]  P. de Chazal,et al.  An Evaluation of a Non-contact Biomotion Sensor with Actimetry , 2007, 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

[4]  Jenshan Lin,et al.  Respiration harmonics cancellation for Accurate Heart Rate measurement in non-contact vital sign detection , 2013, 2013 IEEE MTT-S International Microwave Symposium Digest (MTT).

[5]  Robert Weigel,et al.  Six-Port Radar Sensor for Remote Respiration Rate and Heartbeat Vital-Sign Monitoring , 2013, IEEE Transactions on Microwave Theory and Techniques.

[6]  J.C. Lin.  Noninvasive microwave measurement of respiration , 1975, Proceedings of the IEEE.

[7]  Steve B. Jiang,et al.  Accurate Respiration Measurement Using DC-Coupled Continuous-Wave Radar Sensor for Motion-Adaptive Cancer Radiotherapy , 2012, IEEE Transactions on Biomedical Engineering.

[8]  O. Boric-Lubecke,et al.  Non-contact respiratory rate measurement validation for hospitalized patients , 2009, 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

[9]  Thomas Zwick,et al.  FMCW radar system with additional phase evaluation for high accuracy range detection , 2011, 2011 8th European Radar Conference.

[10]  Jenshan Lin,et al.  Adaptive beam-steering antenna for improved coverage of non-contact vital sign radar detection , 2014, 2014 IEEE MTT-S International Microwave Symposium (IMS2014).

[11]  Jian Li,et al.  Accurate Doppler Radar Noncontact Vital Sign Detection Using the RELAX Algorithm , 2010, IEEE Transactions on Instrumentation and Measurement.

[12]  Jenshan Lin,et al.  Complex signal demodulation and random body movement cancellation techniques for non-contact vital sign detection , 2008, 2008 IEEE MTT-S International Microwave Symposium Digest.

[13]  Changzhi Li,et al.  Robust Overnight Monitoring of Human Vital Signs by a Non-contact Respiration and Heartbeat Detector , 2006, 2006 International Conference of the IEEE Engineering in Medicine and Biology Society.

[14]  Victor Lubecke,et al.  Activity monitoring and motion classification of the lizard Chamaeleo jacksonii using multiple Doppler radars , 2012, 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

[15]  Byung-Kwon Park,et al.  Arctangent Demodulation With DC Offset Compensation in Quadrature Doppler Radar Receiver Systems , 2007, IEEE Transactions on Microwave Theory and Techniques.

[16]  E. Lunca,et al.  Unobtrusive cardio-respiratory monitoring based on microwave Doppler radar , 2012, 2012 International Conference and Exposition on Electrical and Power Engineering.

[17]  V. Lubecke,et al.  Fish Heart Rate Monitoring by Body-Contact Doppler Radar , 2013, IEEE Sensors Journal.

[18]  J. Lin,et al.  Experiment and Spectral Analysis of a Low-Power $Ka$-Band Heartbeat Detector Measuring From Four Sides of a Human Body , 2006, IEEE Transactions on Microwave Theory and Techniques.

[19]  Yan Yan,et al.  A flip-chip-packaged and fully integrated 60 GHz CMOS micro-radar sensor for heartbeat and mechanical vibration detections , 2012, 2012 IEEE Radio Frequency Integrated Circuits Symposium.

[20]  O. Boric-Lubecke,et al.  Microwave non-invasive sensing of respiratory tidal volume , 2009, 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society.

[21]  Jenshan Lin,et al.  Digitally assisted low IF architecture for noncontact vital sign detection , 2015, 2015 IEEE MTT-S International Microwave Symposium.

[22]  Jenshan Lin,et al.  Range correlation and I/Q performance benefits in single-chip silicon Doppler radars for noncontact cardiopulmonary monitoring , 2004, IEEE Transactions on Microwave Theory and Techniques.