Microwave & RF System Laboratory

한국어

연구


International Conference Proceeding Papers

● J. O. Kim, J. Lim, D. Ahn, W.-S. Yoon, and S.-M. Han, “Low-power RF system architecture

   designs for IoT dust sensor applications,” in Proc. ISITC 2017, Shijiazhuang, China,

   Oct. 2017. 


● J. Lim, H. Choi, D. Ahn, Y. Jeong, S.-M. Han, and W.-S. Yoon, “Design of a wideband

   amplifier using a cascode structure and feedback network,” in Proc. ISITC 2017,

   Shijiazhuang, China, Oct. 2017.


● S.-M. Han, J. Lim, D. Ahn, and W.-S. Yoon, “A study of active element characterization

   by de-embedded calibration measurements,” in Proc. URSI General Assembly & Scientific

   Symp. (GASS) 2017, Montreal, Canada, Aug. 2017.


●  S.-M. Han, S.-J. Lee, J. Lim, D. Ahn, and W.-S. Yoon, "Energy-harvesting RF system

   design for IoT sensor network applications," in Proc. PIERS 2017, St. Petersburg,

   Russia, p. 1708, May 2017.


● J. Lim, B. An, Y. Jeong, S.-M. Han, D. Ahn, and K. Choi, "Application of transmission

   line-based inductors to dual-band branch line couplers," in Proc. PIERS 2017,

   St. Petersburg, Russia, pp. 1673-1674, May 2017.


● D. Ahn, J. Lim, K. Choi, and S.-M. Han, " A new de-embedding technique for arbitrary

   N-port networks using ideal 1:j transformers," in Proc. IEEE EDAPS 2016, Honolulu,

   HI, USA, Dec. 2016, pp. 131-133.


● J. Lim, S.-J. Lee, D. Ahn, B. An, Y. Jeong, and S.-M. Han, "Study for realization of

   arbitrary inductance values using distributed elements and capacitors," in Proc. URSI

   Asia-Pacific Radio Sci. Conf. (AP-RASC) 2016, Seoul, Korea, pp. 1719-1721.


S.-M. Han, S.-J. Lee, and W.-S. Yoon, "RF/Microwave processing in RF systems," in

   Proc. PIERS2016, Shanghai, China, Aug. 2016, p. 3220.


J. G. Hong, S.-J. Lee, J. Lim, W.-S. Yoon, and S.-M. Han, "RF spectrum sensing receiver

   system with improved frequency channel selectivity for cognitive IoT sensor network

   applications," IEEE Int. Microw. Symp. 2016 (IMS 2016 ) Dig., San Francisco, CA, USA,

   May 2016.

  

K. P. Lee, S.-M. Han, J. H. Oh, H. K. Choi, and Y. M Kyaw, “Characteristics of ESPAR

   antenna with circumferential slot active element," in Proc. ICGHIT 2016, Clark,

   Philippines, Feb. 2016, pp. 37-38.

 

Y. Kim, S.-J. Lee, J.-H. Ahn, W.-S. Yoon, M. Swaminathan, and S.-M. Han, “TSV fault

   detection with large non-contact probes using capacitive coupling for 3-D IC applications,"

   in Proc. IEEE Elect. Design Adv. Packag. Syst. (IEEE EDAPS), Seoul, Korea, Dec.

   2015, pp. 58-61.

  

S.-J. Lee, K. Kim, and S.-M. Han, “Planar ESPAR antenna based on Yagi-Uda array

   design for space diversity applications,” in Proc. Asia-Pacific Microwave Conf. 2015

   (APMC2015)Nanjing, China, Dec. 2015.

 

J. Lim, Q. Wang, J. Park, Y. Jeong, S.-J. Lee, S.-M. Han, K.-S. Choi, and D. Ahn,

   “Design of a dual-band balanced amplifier using a CRLH transmission line structure,”

   in Proc. ISITC 2015Tianjin, China, Oct. 2015, pp. 322-325.

 

Y. Kim, S.-J. Lee, J. Lim, D. Ahn, J.-H. Ahn, S.-H. Lee, and S.-M. Han, “Compact

   reconfigurable antenna design based on variable capacitive loading,” in Proc. PIERS

   2015Prague, Czech, July 2015, p.885.


J. Lim, K. Kwon, S. Lee, S.-J. Lee, S.-M. Han, D. Ahn, and Y. Jeong, “A microstrip line

   with additional capacitive and inductive effects loaded,” in Proc. PIERS 2015, Prague,

   Czech, July 2015, p.2002.


S.-M. Han, J. G. Hong, W.-S. Yoon, and J. Lim, “RF spectrum sensing technology for

   Cognitive Radio applications,” in Proc. International Conference on Green and Human

   Information Technology (ICGHIT) 2015, Da Nag, Vietnam, Feb. 2015, pp. 353–354.


S.-A. Choi, S.-H. Lee, S.-M. Han, G.-H. Bae, and H.-K. Choi, “Quadrangular dipole EPSAR

   antenna characteristics using planar parasitic element,” in Proc. ICGHIT 2015, Da Nag,

   Vietnam, Feb. 2015, pp. 271–273.


J. Lim, H. Do, S.-J. Lee, S.-M. Han, and Dal Ahn, "Design of a size-reduced ring hybrid

   coupler using double-layered substrate and ground contact-free defected ground

   structure," in Proc. Int’l Symp. on Info. Tech. Convergence (ISITC) 2014, Jeonju,

   Korea, Oct. 2014, pp. 60–62.


J. Lim, J. Jeong, P. Kim, Y. Jeong, S.-M. Han, and D. Ahn, “4-way power divider using

   common DGS and stacked-substrate structure,” in Proc. PIERS 2014, Guangzhou, China,

   Aug. 26, 2014, p. 934.


M. Park, S.-J. Lee, B. Park, H.-J. Choi, D.-W. Lee, S.-M. Han, J. Lim, and Dal Ahn “A new

   de-embedding technique for electromagnetic based simulation software,” in Proc. 7th

   Global Symposium on Millimeter-Waves 2014 (GSMM 2014), Seoul, Korea, May 21, 2014.


J. Lim, K. Kwon, K. Mok, Y. Jeong, S.-M. Han, and D. Ahn, “A length-reduced microstrip

   line with inductive and capacitive perturbations,” in Proc. PIERS 2013, Stockholm,

   Sweden, Aug. 15, 2013, p. 1644.


S.-J. Lee, J. Lim, D. Ahn, and S.-M. Han, “Flexible microwave chipless tag system based

   on DGS resonators,” in Proc. IEEE Wireless and Microw. Tech. Conf. (WAMICON) 2013,

   Orlando, FL, USA, April 2013.


D. Ahn, T. Thap, J. Lim, and S.-M. Han, “The design of bandpass filter that uses disk

   resonator and parallel coupled lines,” in Proc. IEEE WAMICON 2013, Orlando, FL, USA,

   April 2013.


J. Lim, J. Lee, Y. Jeon, K. Kwon, S.-M. Han, D. Ahn, and Y. Jeong, “Design of a

   miniaturized branch line coupler using common defected ground structure,” in Proc. IEEE

   Int’ Symp. Antennas, Propag., Chicago, USA, July, 2012.


J. Lim, J. Lee, K. Kwon, Y. Jeon, Y. Jeon, K. Choi, S.-M. Han, and D. Ahn, “A size-reduced

   ring hybrid using common DGS,” in Proc. URSI, Chicago, USA, July, 2012.


J. Lim, Y. Jeon, K. Kwon, J. Lee, Y. Jeong, S.-M. Han, and D. Ahn, “Characteristic

   impedance of a defected microstrip line structure,” in Proc. PIERS 2012, Kuala Lumpur,

   Malaysia, March 2012, p. 708.


S.-M. Han, W.-S. Yoon, Y.-S. Kim, H. Lee, J. Lee, and J. Lim, “Channel cognitive super-

   regenerative receiver system,” in Proc. Asia-Pacific Microw. Conf. 2011, Melbourne,

   Australia, Dec. 2011, pp. 1350–1353.


H. Lee, S.-J. Lee, T. Choi, J. Lim, W.-S. Yoon, and S.-M. Han, “Wideband RF transceiver

   system with adjustable RF carrier,” in Proc. ISAP2011, Jesu, Korea, Oct. 2011.


T. Choi, S.-J. Lee, H. Lee, S. Yu, J. Lim, D. Ahn, and S.-M. Han, “New design of a

   rectenna system using defected ground structures,” in Proc. PIERS 2011, Suzhou, China,

   Sep. 2011, p. 769.


J. Koo, J. Lee, J. Lee, J. Lim, Y. Jeong, S.-M. Han, and D. Ahn, “A design of size-reduced

   low pass filter using artificial dielectric substrate structure,” in Proc. PIERS 2011, Suzhou,

   China, Sep. 2011, p. 665.


J. Lee, J. Lee, J. Lim, Y. Jeong, S.-M. Han, and D. Ahn, “A miniaturized low pass filter

   using common defected ground structures,” in Proc. PIERS 2011, Suzhou, China, Sep.

   2011, p. 768.


J. Lim, J. Lee, J. Lee, B. Kim, Y. Jeong, S.-M. Han, and D. Ahn, “A directional coupler

   using back-to-back microstrip lines and common defected ground window structures,” in

   Proc. PIERS 2011, Marrakesh, Morocco, March 2011, p.636.


W.-S. Yoon, H.-S. Lee, H.-J. Lee, J. Lim, Y.-S. Kim, and S.-M. Han, “A frequency tunable

   super-regenerative oscillator for channel selective receivers,” in Proc. IEEE Radio and

  Wireless Symposium 2011 (RWS2011), Phoenix, AZ, USA, Jan. 2011, pp.227–230.


H.-S. Lee, W.-S. Yoon, S.-M. Han, D.-M. In, Y.-S. Kim, “A third-order subharmonic

   injection locked oscillator with wide locking range and low phase noise,” in Proc. 2010

   Asia-Pacific Microw. Conf., Yokohama, Japan, Dec. 2010, pp. 504–507.


S.-J. Lee, H. Lee, W.-S. Yoon, S.-J. Park, J. Lim, D. Ahn, and S.-M. Han, “Circular

   polarized antenna with controlled current distribution by defected ground structures,” in

   Proc. ISAP2010, Macau, China, Nov. 2010, pp.856–859.


K.-J. Lee, H.-J. Lee, S.-J. Lee, J. Lee, J. Lim, Y.-S. Kim, and S.-M. Han, “Channel

   selective RF receiver with spectrum sensing system,” in Proc. ISAP2010, Macau, China,

   Nov. 2010, pp.563–566.


J. Choi, S.-M. Han, S. Pyo, Y.-S. Kim, “Circularly polarized square microstrip antenna fed

   by proximity coupling,” in Proc. Int’ Symp. on Antennas and Propag.2010 (ISAP2010),

   Macau, China, Nov. 2010, pp. 705–708.


J. Lim, J. Lee, J. Lee, Y. Jeong, S.-M. Han, K.-S. Choi, and D. Ahn, “Calculation of

   characteristic impedance of transmission lines,” in Proc. IEEE TENCON 2010, Fukuoka,

   Japan, Nov. 2010, pp. 1632–1635.


S. Pyo, M.-J. Lee, S.-M. Han, and Y.-S. Kim, “Inductive slot-loaded composite right/left-

   handed transmission line and its application to bandwidth-improved resonant antennas,” in

   Proc. EuMC2010, Paris, France, Sep. 2010, pp. 196–199.


J. Lim, J. Lee, J. Lee, Y. Jeong, S.-M. Han, and D. Ahn, “A calculation method for

   frequency dependent characteristic impedance and slow-wave factor of microwave

   transmission lines with a perturbation,” in Proc. PIERS 2010, X’ian, China, March 2010,

   p. 273.


S.-M. Han, O. Popov, S.-J. Park, D. Ahn, J. Lim, W.-S. Yoon, S. Pyo, Y.-S. Kim, “Adaptive

   calibration method for AM/PM distortion in nonlinear devices,” in Proc. IEEE RFIT2009,

   Singapore, Dec. 2009, pp. 76–79.


M. Kang, S. Park, K. Kim, S.-M. Han, J. Lim, K. Choi, and D. Ahn, “A new extraction

   method for the characteristic impedance and effective dielectric constant of transmission

   line with DGS,” in Proc. IEEE RFIT2009, Singapore, Dec. 2009, pp. 265–268.


J. Lim, C. Park, J. Koo, H. Cha, S.-M. Han, and D. Ahn, “A balanced power amplifier

   utilizing the reflected input power,” in Proc. IEEE Int’l Workshop on Radio Freq. Integ.

   Tech. (RFIT2009), Singapore, Dec. 2009, pp. 88–91.


W.-S. Yoon, S.-M. Han, J.-W. Baik, S. Pyo, and Y.-S. Kim, “A compact microstrip antenna

   on a cross-shape slotted ground with a switchable circular polarization,” in Proc. 2009

   Asia-Pacific Microw. Conf., Singapore, Dec. 2009.


W.-S. Yoon, D.-H. Lee, K.-J. Lee, S.-H. Kim, S.-M. Han, and Y.-S. Kim, “A circular patch

   antenna for a switchable circular polarization sense with a slotted ground structure,” in

   Proc. IEEE Loughborough Antennas & Propag. Conf. (LAPC 2009), Loughborough, UK,

   Nov. 2009, pp. 309–312.


J. Choi, S. Pyo, S.-M. Han, Y.-S. Kim, “Circularly polarized microstrip antennas using

   single-fed EM coupled ring resonators,” in Proc. ISAP2009, Bangkok, Thailand, Oct. 2009,

   pp. 301–304.


M.-J. Lee, S. Pyo, J.-W. Baik, S.-M. Han, and Y.-S. Kim, “New planar magnetic monopole

   antenna with periodically arrayed patches and equilateral slots for reduced size and

   improved bandwidth,” in Proc. Int’ Symp. on Antennas and Propag. (ISAP2009), Bangkok,

   Thailand, Oct. 2009, pp. 305–308.


S. Pyo, J.-W. Baik, W.-S. Yoon, J. Choi, S.-M. Han, and Y.-S. Kim, “An offset-fed

   microstrip antenna with reusable harmonics based on a composite right/left-handed

   transmission line resonator,” in Proc. 2009 European Microw. Conf., Rome, Italy, Sep.

   2009, pp. 1279–1282.


W.-S. Yoon, S.-M. Han, D.-H. Lee, J.-W. Baik, and Y.-S. Kim “A polarization switchable

   microstrip patch antenna with a circular slot,” in Proc. 2008 Asia-Pacific Microw. Conf.,

   Hong Kong, China, Dec. 2008.


J. Han, S. Lee, S. Kim, and S.-M. Han, “Development of a home network gateway

   supporting both wire and  wireless communication,” in Proc of The 2nd Int’l Conf. on

   Future Generation Comm. & Networking (FGCN 2008), Sanya, China, Dec. 2008, pp. 86–

   89.


S.-M. Han, O. Popov, Y. S. Eo, “Chaotic UWB transceiver with tunable chaotic signal

   generation in CMOS 0.18um technology,” in Proc. 2007 European Microw. Conf., Munich,

   Germany, Oct. 2007, pp. 15781581.


M.-H. Son, K. Lee, J. Kim, S.-M. Han, and H. Park, “Multi-user chaotic UWB system for

   wireless connectivity applications,” in Proc. ITC-CSCC 2007, Busan, Korea, July 2007.


H. K. Yoon, W. S. Kang, Y. J. Yoon, S.-M. Han, Y.-H. Kim, "Rolled monopole with

   bandstop function for UWB applications," in Proc. 2006 Asia-Pacific Microw.

   Conf., Yokohama, Japan, Dec. 2006.


S.-M. Han, M.-H. Son, Y.-H. Kim, and S.-S. Lee, “Low-rate chaotic UWB transceiver

   system based on IEEE 802.15.4a,” in Proc. 2006 European Microw. Conf., Manchester,

   UK, Sep. 2006, pp. 18371840.


H. K. Yoon, Y. Lim, W. Lee, Y. J. Yoon, S.-M. Han, Y.-H. Kim, “UWB wide slot antenna

   with band-notch function,” in Proc. 2006 IEEE AP-S Int’l Symp., Albuquerque, NM, USA,

   July 2006, pp. 3059–3062.


S.-S. Lee, S.-M. Han, M.-H. Son, A. Dmitriev, and A. Panas, “Low power UWB RF

   transceiver for wireless headset,” in Proc. IEEE Int’l Workshop on Radio Freq. Integ. Tech,

   Singapore, Nov. 2005, pp. 6164.


S.-M. Han, C.-S. Kim, S.-S. Lee, D. Ahn, and T. Itoh, “Higher phase-tunable phase

   shifters using DGS termination loads,” in Proc. 2005 European Microw. Conf., Paris,

   France, Oct. 2005, pp. 749752.


Y. Horii, C. Caloz, S.-M. Han, and T. Itoh, “A super-compact diplexer composed of multi-

   layered composite right/left-handed transmission lines,” in Proc. 2004 Asia-Pacific Microw.

   Conf., New Deli, India, Dec. 2004.


S.-M. Han, J.-Y. Park, and T. Itoh, “Dual-fed circular sector antenna system for a

   rectenna and a RF receiver,” in Proc. 2004 European Microw. Conf. (EuMC2004),

   Amsterdam, Netherlands, Oct. 2004, pp. 1089–1092.


C.-J. Lee, C. Caloz, K. M. K. H. Leong, S.-M. Han, and T. Itoh, “A planar broadband

   antenna for UWB pulse transmission,” in Proc. 2004 European Microw. Conf. (EuMC2004),

   Amsterdam, Netherlands, Oct. 2004, pp. 1329–1332.


S.-M. Han, J.-Y. Park, and T. Itoh, “Active integrated antenna based rectenna using the

   circular sector antenna with harmonic rejection,” in Proc. 2004 IEEE AP-S Int’l Symp., vol.

   4. Monterey, CA, USA, June 2004, pp. 35333536.


S.-M. Han, K. H. Kwon, and Y.-S. Kim, “Coupled line phase shifters and its equivalent

   phase delay line for compact broadband phased array antenna applications,” in Proc.

  PIERS 2003, Honolulu, HI, USA, Oct. 2003, p. 446.


S.-M. Han and Y.-S. Kim, “A compact broadband phased array antenna for IMT-2000,” in

   2003 IEEE AP-S Int’l Symp. Dig., vol. 2, Columbus, OH, USA, June 2003, pp. 472475.


S.-M. Han and Y.-S. Kim, “A strong coupled microstrip ring resonator using linearly

   tapered feedlines for bandpass filter applications,” in Proc. IEEE RAWCON 2002, Boston,

   MA, USA, Aug. 2002, pp. 7982.


J. Lee, S.-M. Han, and Y.-S. Kim, “Resonant frequency of dielectric resonator,” in Proc.

   IEEE RAWCON ’98, Colorado Springs, USA, Aug. 1998, pp. 273276.