Microwave & RF System Laboratory



International Journal Papers

● M. Salman, Y. Jang, J. Lim, D. Ahn, and S.-M. Han, “Novel Wilkinson power divider with 

   an isolation resistor on a defected ground structure with improved isolation,” Applied 

   Sciences, vol. 11, no. 9, May 2021.

 S.-M. Han, J. O. Kim, W.-S. Yoon, J. Lim, and D. Ahn, “Miniaturized design and modeling

   for spiral defected ground structures on double-layered substrates,” Int. J. RF Microw.

   Comput. Aided Eng., vol. 30, no. 8, Aug. 2020.

S.-M. Han, Y. Kim, and J.-H. Ahn, “Multi-TSV (Through Silicon Via) error detection using

   the non-contact probing method,” Applied Computing and Information Technology, Studies

   in Computational Intelligence, vol. 847, pp. 47-56, Springer, Cham, 2019.

J. O. Kim, W.-S. Yoon, S.-M. Han, “Frequency-selective beamforming array antenna

   systems with frequency-dependent phase shifters,” J. Electromagn. Eng. Sci., vol. 18,

   no. 4, pp. 259-265, Oct. 2019. 

S.-J. Lee, W.-S. Yoon, and S.-M. Han, “Planar beam steerable parasitic array antenna

   system design based on the Yagi-Uda design method,” Int. J. Antennas Propag., vol.

   2019, Article ID 8023712, 9 pages, 2019.

 S.-M. Han, J. O. Kim, W.-S. Yoon, J. Lim, and D. Ahn, “Design and characterization

   of the double-layered DGS transmission line with less radiation effect,” Microw. Opt.

   Tech. Lett., vol. 61, no. 4, pp. 903–906, April 2019.

 S.-J. Lee, W.-S. Yoon, and S.-M. Han, "Planar directional beam antenna design for

   beam switching system applications," J. Electromagn. Eng. Sci., vol. 17, no. 1, pp. 14-19,

   Jan. 2017. 

D. Lee, H. Do, Y. Jang, H. Kim, S.-M. Han, J. Lim, K. Choi, and D. Ahn, "A new design

   method of the unequal Wilkinson power divider using an arbitrarily resistor value," Microw.

   Opt. Technol. Lett., vol. 58, no. 10, pp. 2450-2452, Oct. 2016.

S.-M. Han, Y. Lee, T. Choi, S.-J. Lee, J.-W. Baik, J. Lim, and D. Ahn, “Compact wake-

   up module design based on an energy-harvesting rectenna for wireless sensor

   receivers,” Int. J. Antennas Propag., vol. 2015, Article ID 976875, March 2015.


H. Lee, S.-J. Lee, W.-S. Yoon, S.-M. Han, “Power controlled FM-UWB system

   with a wideband RF carrier for body area network applications,” Int. J. Microw.

   Wireless Tech., vol. 6, no. 5, pp.537–541, Oct. 2014.


S.-M. Han, S.-J. Lee, K. Kim, J. Lim, and D. Ahn, “Design considerations for complicated

   antenna systems on a simple de-embedding method,” IEEE Antennas Wireless Propag.

   Lett., vol. 13, pp. 1031–1034, June 2014.


●  W.-S. Yoon, S.-J. Lee, and S.-M. Han, “Channel cognitive wireless sensor system based

   on spectrum sensing technology,” IEEE Trans. Antennas Propag., vol. 62, no. 3, pp. 1157

   1164, March 2014.


J. Lim, D. Ahn, S.-M. Han, Y. Jeong, and H. Liu, “A defected ground structure without

   ground contact problem and application to branch line couplers," Int. J. Antennas Propag.,

   vol. 2013, Article ID 232317, July 2013.


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

   multiple resonators,” Int’l J. Antennas Propag., vol. 2013, Article ID 415607, June 2013.


 J. Lim, Y. Jeon, S.-M. Han, Y. Jeong, and D. Ahn, “A design of dual band amplifiers using

   CRLH transmission line structure,” IEICE Trans. Electron., vol. E95-C, no. 5, pp. 964–967,

   May 2012.


K.-J. Lee, H. Lee, Y.-S. Kim, J. Lim, and S.-M. Han, “Multi-functional channel selective

   RF receiver system for low-power sensor network applications,” Microw. Opt. Tech. Lett.,

   vol. 54, no. 4, pp. 847–851, April 2012. (Erratum is published in Microw. Opt. Tech. Lett.,

   vol. 54, no. 7, pp. 1775, July 2012)


J.-W. Baik, S.-M. Han, T.-H. Lee, Y.-J. Chong, J. Choi, and Y.-S. Kim, “Dual-mode dual-

   bandpass filter with transmission zeros using coupling mode conversion,” IET Microw.,

   Antennas, & Propag., vol. 6, no. 3, pp. 251–262, Feb. 2012.


● J.-W. Baik, T.-H. Lee, S. Pyo, S.-M. Han, J. Jeong, and Y.-S. Kim, “Broadband circularly

   polarized crossed dipole with parasitic loop resonators and its arrays,” IEEE Trans. Antennas Propag., vol.59, no.1, pp.80–88, Jan. 2011.


W.-S. Yoon, J.-W. Baik, H.-S. Lee, S. Pyo, S.-M. Han, and Y.-S. Kim, “A reconfigurable

   circularly polarized microstrip antenna with a slotted ground plane,” IEEE Antennas 

   Wireless Propag. Lett., vol. 9, no. 1, pp. 1161–1164, Dec. 2010.


 S. Pyo, S.-M. Han, J.-W. Baik, W.-S. Yoon, and Y.-S. Kim, “Offset-fed metamaterial

   antenna for radiation mode generation with efficiency improvement,” IET Microw.,

   Antennas, & Propag., vol. 4, no. 10, pp. 1481–1490, Oct. 2010.


● J. Choi, S. Pyo, S.-M. Han, and Y.-S. Kim, “Compact circularly polarized microstrip

   antennas using EM coupled loop resonators,” IEICE Trans. Comm., vol. E93-B, no.10,

   pp. 2658–2661, Oct. 2010.


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

   the characteristic impedance of transmission lines with modified ground structures or

   perturbation,” Progress In Electromagnetics Research (PIER), Vol. 106, pp. 147–162,



W.-S. Yoon, S.-M. Han, S. Pyo, J. Lee, I.-C. Shin, and Y.-S. Kim, “Reconfigurable

   circularly polarized microstrip antenna on a slotted ground,” ETRI J., vol. 32, no. 3,

   pp. 468–471, June 2010.


S. Pyo, S.-M. Han, J.-W. Baik, and Y.-S. Kim, “A slot-loaded composite right/left-handed

   transmission line for a zeroth-order resonant antenna with efficiency improvements,” IEEE 

   Trans. Microw. Theory Tech., vol. 57, no. 11, pp. 2775–2782, Nov. 2009.


W.-S. Yoon, S.-M. Han, J.-W. Baik, S. Pyo, J. Lee, and Y.-S. Kim, "Crossed dipole

   antenna with switchable circular polarisation sense," Electron. Lett., vol. 45, no. 14,

   pp. 717–718, July 2009.


● S.-M. Han, O. Popov, and A. Dmitriev, “Flexible chaotic UWB communication system

   with adjustable channel bandwidth in CMOS technology,” IEEE Trans. Microw. Theory

   Tech., vol. 56, no. 10, pp. 2229–2236, Oct. 2008.


J.-W. Baik, S.-M. Han, C. Jeong, J. Jeong, and Y.-S. Kim, “Compact ultra-wideband

   bandpass filter with EBG structure,” IEEE Microw. Wireless Compon. Lett., vol. 18, no. 10,

   pp. 671673, Oct. 2008.


● I. Kim, C. W. Jung, S.-M. Han, and Y. Kim, “Wing-shaped antenna with two-port

   configuration for multi-band mobile communication systems,” Electron. Lett., vol. 43,

   no. 24, pp. 13321333, Nov. 2007.


● S.-M. Han, M.-H. Son, and Y.-H. Kim, “Chaotic UWB communication system for low-rate

   wireless connectivity applications,” IEICE Trans. Comm., vol. E90-B, no.10, pp. 2891–

   2896, Oct. 2007.


S.-M. Han, J.-Y. Park, and T. Itoh, “A self-biased receiver system using the active

   integrated antenna,” IEICE Trans. Comm., vol. E89-B, no.2, pp. 570–575, Feb. 2006.


S.-M. Han, C.-S. Kim, D. Ahn, and T. Itoh, “Phase shifter with high phase shifts using

   defected ground structures,” Electron. Lett., vol. 41, no. 4, pp. 45–46, Feb. 2005.


J.-Y. Park, S.-M. Han, and T. Itoh, “A rectenna design with harmonic-rejecting circular-

   sector antenna,” IEEE Antennas Wireless Propag. Lett., vol. 3, pp. 52–54, Dec. 2004.


S.-M. Han, Y. Chung, and T. Itoh, “Novel RF front end designs based on active integrated

   antenna concepts,” Microw. Review, vol. 10, no. 2, pp. 8–15, Nov. 2004.


K. H. Kwon, S.-M. Han, S. Nahm, M. H. Kim, and Y.-S. Kim, “Compact hairpin-shaped

   duplexer using a BMT substrate with high dielectric constant,” Microwave Opt. Tech. Lett.,

   vol. 41, no. 4, pp. 251–253, May 2004.


S.-M. Han and Y.-S. Kim, “Strong coupled microstrip tapered feedlines for the applications

   to filters and antennas,” Microwave Opt. Tech. Lett., vol. 39, no. 6, pp. 505–508, Dec.



S.-M. Han, K. H. Kwon, and Y.-S. Kim, “New compact broadband phase shifters using

   coupled lines,” Microwave Opt. Tech. Lett., vol. 36, no. 5, pp. 399400, March 2003.