Publications

International Journals


  1. Seungjin Lee, Jaehyuk Lim, Sangyeol Oh, Jaehoon Lee, Common-Mode Conversion Noise Mitigation With Embedded Coupled Lines in Differential Serpentine Delay Microstrip Lines, IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY, 2020
  2. Seungjin Lee, Jaehyuk Lim, Sangyeol Oh, Jaehoon Lee, Remnant Mode Conversion Noise Suppression Using a Surface Mount Device Capacitor , Frequenz, 2019.11
  3. Jaehyuk Lim, Seungjin Lee, Youngjin Jeong, Jaehoon Lee, A Novel Method using a Rectangular Groove to Reduce Far-end Crosstalk in Microstrip Lines Covered with a Dielectric Layer, IEEE ACCESS, 2019.07
  4. Seungjin Lee, Jaehyuk Lim, Sangyeol Oh, Yonghoon Kim, Dan Oh, Jaehoon Lee, Differential-To-Common Mode Conversion Suppression using Mushroom Structure on Bent Differential Transmission Lines, IEEE TRANSACTIONS ON COMPONENTS, PACKAGING AND MANUFACTURING TECHNOLOGY, 2019.04
  5. Jaehyuk Lim, Seungjin Lee, Sangyeol Oh, Jichai Jeong, Jaehoon Lee, Asymmetric coupled lines for common-mode noise suppression in bent differential lines, ELECTRONICS LETTERS, 2019.02
  6. Jaehyuk Lim, Seungjin Lee, Sangyeol Oh, Wonsang Yoon, Jaehoon Lee, Enhanced Broadband Common-Mode Filter based on Periodic Electromagnetic Bandgap Structures, MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2018.10
  7. Jaehyuk Lim, Seungjin Lee, Sangyeol Oh, Wonsang Yoon, Yonghoon Kim, Dan Oh, Jaehoon Lee, Design of Miniaturized Vertical Split-Ring Resonator Based on Coupled Coplanar Waveguide, IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2018.09
  8. Sangyeol Oh, Jongwon Choi, Beomsoo Shin, Wonsang Yoon, Jichai Jeong, Jaehoon Lee, Bandpass filter design based on vertical split-ring resonators, ELECTRONICS LETTERS, 2017.10
  9. Beomsoo Shin, Jichai Jeong, Won-Sang Yoon, Jaehoon Lee, 1550 nm VCSEL-based 10 Gb/s optical NRZ signal transmission over 20 km SMF using RSOA gain saturation, OPTICAL FIBER TECHNOLOGY, 2017.07
  10. Jongwon Choi, Sangyeol Oh, Wonsang Yoon, Jaehoon Lee, Vertical split ring resonator using vias with wide bandwidth and small electrical size, IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2017.01
  11. Seungjin Lee, Sangyeol Oh, Won-Sang Yoon, Jaehoon Lee, A CPW bandstop filter using double hairpin‐shaped defected ground structures with a high Q factor, MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2016.06
  12. Beomsoo Shin, Sangyeol Oh, Jaehoon Lee, Theoretical Analysis of the Optical Filtering Effect on a Directly Modulated Reflective Semiconductor Optical Amplifier, IEIE TRANSACTIONS ON SMART PROCESSING & COMPUTING, 2016.02
  13. Sangyeol Oh, Jichai Jeong, Jaehoon Lee, Wideband common noise suppression filter based on coupled microstrip lines and edge-coupled coplanar waveguides, ELECTRONICS LETTERS, 2015.12
  14. Minkyu Sung, Jaehoon Lee, Jichai Jeong, PAPR reduction technique by inserting a power-concentrated subcarrier for CO-OFDM, OPTICS COMMUNICATIONS, 2015.09
  15. Sangjin Jo, Hyunjin Choi, Beomsoo Shin, Sangyeol Oh, Jaehoon Lee, A CPW-Fed Monopole Antenna with Double Rectangular Rings and Vertical Slots in the Ground Plane for WLAN/WiMAX Applications, INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2015.04
  16. Beomsoo Shin, Jichai Jeong, Jaehoon Lee, 25-Gb/s optical NRZ transmission over 40 km of single-mode fiber at 1550 nm without dispersion compensation, OPTICAL FIBER TECHNOLOGY, 2014.10
  17. Minkyu Sung, Hoon Kim, Jaehoon Lee, Jichai Jeong, Improvement of the chromatic dispersion tolerance in coherent optical OFDM systems using shifted DFT windows for ultra-long-haul optical transmission systems, OPTICS EXPRESS, 2014.09
  18. Sangyeol Oh, Beomsoo Shin, Jichai Jeong, and Jaehoon Lee, A UWB bandpass filter with a notched band using dual stepped-impedance stub-loaded resonators, MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2014.08
  19. Sangjin Jo, Hyunjin Choi, Beomsoo Shin, Sangyeol Oh, Jaehoon Lee, A CPW-Fed Rectangular Ring Monopole Antenna for WLAN Applications, INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION, 2014.07
  20. Minkyu Sung, Jaehoon Lee, Jichai Jeong, Localised discrete Fourier transform-spread M-ary amplitude shift keying orthogonal frequency division multiplexing with Hermitian symmetry for peak-to-average power ratio reduction, IET COMMUNICATIONS, 2014.07
  21. Sangyeol Oh, Beomsoo Shin, Jichai Jeong, Young-Sik Kim, Jaehoon Lee, UWB BANDPASS FILTER USING DUAL STEPPED IMPEDANCE STUB LOADED RESONATORS, MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2014.02
  22. Sangyeol Oh, Junhyop Song, and Jaehoon Lee, UWB Bandpass Filter Based on Ring Resonator, MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2013.09
  23. Minkyu Sung, Sungyong Kang, Jaemin Shim, Jaehoon Lee, and Jichai Jeong, DFT-Precoded Coherent Optical OFDM With Hermitian Symmetry for Fiber Nonlinearity Mitigation, JOURNAL OF LIGHTWAVE TECHNOLOGY, 2012.09
  24. Jaehoon Lee, Youngsun Ha, Beom-Soo Shin, Sungchul Kim, Beop-Min Kim, and Wonzoo Chung, Novel Pilot Scheme for Transmitter IQ Mismatch Compensation in CO-OFDM System, IEEE PHOTONICS TECHNOLOGY LETTERS, 2012.09
  25. Kyoungsoo Kim, Jaehoon Lee, Jichai Jeong, Transmission performance of all-optical domain orthogonal frequency division multiplexing signals due to fiber nonlinearities for long-reach PON applications, Optical Fiber Technology, 2012.05
  26. H. Yoo J. Jeong Jaehoon Lee, Signal position-based adaptive QR decomposition-based M detection algorithm for multiple-input multiple-output systems, IET Signal Processing, 2011.09
  27. Jaeyoung Shin, Jaehoon Lee, and Jichai Jeong, Channel Modeling for Indoor Broadband Power-Line Communications Networks With Arbitrary Topologies by Taking Adjacent Nodes Into Account, IEEE TRANSACTIONS ON POWER DELIVERY, 2011.07
  28. Won-tae Lee, Jaehoon Lee, Jichai Jeong, Design of variable gain low noise amplifier using feedback circuit with memory circuits for 5.2 GHz band, Analog Integr Circ Sig Process, 2011.07
  29. Kyoungsoo Kim, Jaehoon Lee, and Jichai Jeong,Generalized Analysis on the Combined Effect of SPM and Fiber Chromatic Dispersion on Subcarrier Multiplexed Optical Transmission Systems for RoF Applications, Journal of the Optical Society of Korea, 2011.06
  30. Duchang Heo,In-Kuk Yun, Jeong-Seok Lee, Jaehoon Lee, High-power SLD-based BLS Module for WDM-PON Applications, Journal of the Korean Physical Society, 2011.03
  31. S. Kang, J. Ryu, Jaehoon Lee, J. Jeong, Analysis of space-time adaptive processing performance using K-means clustering algorithm for normalisation method in non-homogeneity detector process, IET Signal Processing, 2011.02
  32. Youngbin Ahn, Chiwan Park, Jaehoon Lee, JichaiJeong, A highly linear receiver front-end employing modified derivative superposition method with tuned inductors for 5.25GHz, MicroelectronicsJournal, 2010.12
  33. Kyoungsoo Kim, Jichai Jeong, and Jaehoon Lee, Effect of Fiber Dispersion and Self-phase Modulation in Multi-channel Subcarrier Multiplexed Optical Signal Transmission, Journal of the Optical Society of Korea, 2010.12
  34. Chi Wan Park, Youngbin Ahn, Jaehoon Lee and Jichai Jeong, Linearity improvement of cascode low-noise amplifiers using double DS method with a tuned inductor, International Journal of Electronics,2010.07
  35. Won-Sang Yoon, Sang-Min Han, Seongmin Pyo, Jaehoon Lee, In-Chul Shin, and Young-Sik Kim,Reconfigurable Circularly Polarized Microstrip Antenna on a Slotted Ground, ETRI Journal, 2010.06
  36. Hyunwoo Yoo, Junhyop Song, Yonghoon Kim, Jichai Jeong, Jaehoon Lee, Improved dispersion tolerance of a Mach-Zehnder modulator by optimizing the modulator voltage and time delay, Optics Communications,2010.04
  37. Duchang Heo, Dong-Jae Shin, In-Kuk Yun, Jeong-Seok Lee, Jichai Jeong, Jaehoon Lee, BLS polarization-induced performance degradation in WDM-PON systems based on wavelength-locked FP-LDs, Optis Communications, 2010.01
  38. Shinhee Won, Jaehoon Lee, Yonghoon Kim, Seongha Kim, and Jichai Jeong, Performance Limits of 10-Gb/s Optical Duobinary Transmissions Using Reduced Bandwidth Single-Arm Mach?Zehnder Modulators Considering Residual Chirp and dc-Bias Offset, IEEE PHOTONICS TECHNOLOGY LETTERS, 2009.09
  39. Kyoungsoo Kim, Jaehoon Lee, and Jichai Jeong, Performance Limitations of Subcarrier Multiplexed WDM Signal Transmissions Using QAM Modulation, JOURNAL OF LIGHTWAVE TECHNOLOGY, 2009.09
  40. Hodeok Jang, Kyoungsoo Kim, Jaehoon Lee, and Jichai Jeong, Transmission Performance of 40 Gb/s PM Duobinary Signals due to Fiber Nonlinearities in DWDM Systems Using VSB Filtering Techniques, Journal of the Optical Society of Korea, 2009.09
  41. Jae Hun Cho, Hoon Kim, Sihai Wang, Jaehoon Lee, Hanlim Lee, Seongtaek Hwang, Sungdae Cho, Yunje Oh, and Tae-Jin Lee, A Novel Method for Providing Precise Time Synchronization in a Distributed Control System Using Boundary Clock, IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2009.08
  42. W.-S. Yoon, S.-M. Han, J.-W. Baik, S. Pyo, Jaehoon Lee and Y.-S. Kim, Crossed dipole antenna with switchable circular polarisation sense, ELECTRONICS LETTERS, 2009.07
  43. Jaehoon Lee, Kyoungsoo Kim, Duchang Heo, Jeongyun Ko, Jichai Jeong, Improved dispersion tolerance of an optical duobinary transmitter based on a Mach-Zehnder modulator and an optical delay interferometer, Optics Communications, 2009.06
  44. Hodeok Jang, Kyoungsoo Kim, Jaehoon Lee, and Jichai Jeong, Theoretical Investigation of First-order and Second-order Polarization-mode Dispersion Tolerance on Various Modulation Formats in 40 Gb/s Transmission Systems with FEC Coding, Journal of the Optical Society of Korea, 2009.06
  45. Sub Hur, Jaehoon Lee, Jichai Jeong, Transmission performance of 10-Gb/s DPSK WDM signals due to phase-error and four-wave mixing in SOAs, Optics Communications, 2009.03
  46. Kyoung-soo Kim, Jaehoon Lee, and Wonzoo Chung, Sungchul Kim, An Electronic Domain Chromatic Dispersion Monitoring Scheme Insensitive to OSNR Using Kurtosis, Journal of the Optical Society of Korea,2008.12
  47. Euysik Yoon, Myoungjin Lee, Seoungnam Lee, Chandong Jeong, Jaehoon Lee, and Jichai Jeong, Frequency Characteristics of New Ceramic Stem-Based TO Package Using a Coplanar Waveguide Feed-Line for 10-Gb/s Data Transmissions, IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES,2008.12
  48. Hodeok Jang, Kyoungsoo Kim, Jaehoon Lee, and Jichai Jeong, PMD Tolerance of 10 Gbps Modulated Signals due to SOA-Induced Chirp in SOA Booster Amplifiers, Journal of the Optical Society of Korea,2008.12
  49. Hanlim Lee, Hoon Kim, Seongtaek Hwang, Yunje Oh, Jaehoon Lee, Jichai Jeong, Pattern dependency comparison of four different 40-Gb/s optical duobinary transmitters using low-bandwidth modulators, Optics Communications, 2008.05
  50. Hoon Kim, Jae Hun Cho, Sangho Kim, Ki-Uk Song, Hanlim Lee, Jaehoon Lee, Byungjik Kim, Yunje Oh, Jaekon Lee, and Seongtaek Hwang, Radio-over-fiber system for TDD-based OFDMA wireless communication systems, JOURNAL OF LIGHTWAVE TECHNOLOGY, 2007.11
  51. Seongtaek Hwang, Hoon Kim, Byungjik Kim, Sung Kee Kim, Jaehoon Lee, Hanlim Lee, Yonggyoo Kim, Gyuwoong Lee, Sangho Kim, and Yunje O, RoF technologies for in-building wireless systems, IEICE TRANSACTIONS on Electronics, 2007.02
  52. Yonghoon Kim, Hodeok Jang, Sangil Kim, Seunghyun Oh, Jaehoon Lee, Kyoungsoo Kim, Hanlim Lee, and Jichai Jeong, Comparison of Transmission Performance of 40-Gb/s Optical Duobinary and DCS-RZ Signals Using 10- and 40-Gb/s LiNbO3 Mach-Zehnder Modulators , JOURNAL OF LIGHTWAVE TECHNOLOGY, 2007.01
  53. Seungki Nam, Yonggyoo Kim, Yonghoon Kim, Hodeok Jang, Sub Hur, Bongyong Song, Jaehoon Lee, and Jichai Jeong, Performance analysis of signal vias using virtual islands with shorting vias in multilayer PCBs, IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,2006.04
  54. Jaehoon Lee, A modified fiber dispersion model using continuous β2 over wavelength for numerical simulation of optical pulse propagation through dispersive nonlinear fibers in WDM systems, Optical Fiber Technology, 2005.11
  55. Byungjik Kim and Jichai Jeong, Jaehoon Lee, Hanlim Lee, Hoon Kim, Sung Kee Kim, Yonggyoo Kim, Seongtaek Hwang, Yunje Oh, and Changsup Shim, Improvement of dispersion tolerance for electrical-binary-signal-based duobinary transmitters, OPTICS EXPRESS, 2005.06
  56. Seungki Nam, Jaehoon Lee, Yonggyoo Kim, Kyun-Hyun Tchah, Jaeyong Jeong, Jichai Jeong,Electrical modeling of ball grid array packages based on one-port S-parameter measurement for electrical evaluation of high-speed test board, Current Applied Physics, 2005.05
  57. SEONGHA KIM, JAEHOON LEE, YONGGYOO KIM, SHINHEE WON, YUN-JE OH, TAE WON OH AND JICHAI JEONG, Performance evaluation of N x 40 Gbps CS-RZ and DCS-RZ modulated signals transmitted over single mode fiber based on non-ideal LiNbO3 Mach-Zehnder modulators, Optical and Quantum Electronics, 2005.05
  58. Hanlim Lee, Hoon Kim, Jaehoon Lee, Sung Kee Kim, Gyuwoong Lee, Seongtaek Hwang, Yunje Oh, Jichai Jeong, and Changsup Shim, Cost-effective optical chirped duobinary transmitter using an electroabsorption modulated laser, IEEE PHOTONICS TECHNOLOGY LETTERS, 2005.04
  59. Eoiyoung Choi, Hodeok Jang, Jaehoon Lee, Hanlim Lee, Seongtaek Hwang, Yun-Je Oh, Inkyu Lee, and Jichai Jeong, Modeling and verification of FEC performance for optical transmission systems using a proposed uniformly quantized symbol error probability model, JOURNAL OF LIGHTWAVE TECHNOLOGY, 2005.03
  60. H. Lee, Jaehoon Lee, H. Kim, S.K. Kim, G. Lee, S. Hwang, Y. Oh and J. Jeong, 300km transmission of 10 Gbit/s chirped duobinary signals using two Mach-Zehnder modulators, ELECTRONICS LETTERS, 2005.02
  61. Jaehoon Lee, Hodeok Jang, Yonghoon Kim, Seonghoon Choi, S. G. Park, and Jichai Jeong, Chromatic Dispersion Tolerance of New Duobinary Transmitters Based on Two Intensity Modulators Without Using Electrical Low-Pass Filters ,JOURNAL OF LIGHTWAVE TECHNOLOGY, 2004.10
  62. Yonghoon Kim, Jaehoon Lee, Yonggyoo Kim, Jichai Jeong, Evaluation of transmission performance in cost-effective optical duobinary transmission utilizing modulator’s bandwidth or low-pass filter implemented by a single capacitor, Optical Fiber Technology, 2004.10
  63. Yonggyoo Kim, Yongnoh Lee, Jaehoon Lee, Sungki Kim, and Jichai Jeong, Improvement of Power Margin in 10-Gb/s SOA-Boosted Transmission Systems Using Phase-Modulated Duobinary Modulation Formats, IEEE PHOTONICS TECHNOLOGY LETTERS, 2004.10
  64. Yonggyoo Kim, Hodoek Jang, Jaehoon Lee, Inkyu Lee, Moonil Kim, and Jichai Jeong,Improvement of SPM Tolerance for Phase-Modulated Duobinary Transmissions Using Phase Modulator With Postfiltering Technique, IEEE PHOTONICS TECHNOLOGY LETTERS, 2003.12
  65. Seungki Nam, Yonggyoo Kim, Jaehoon Lee, Moonil Kim, and Jichai Jeong, Performance of Traveling-Wave Electroabsorption Modulators Depending on Microwave Properties of Waveguides Calculated Using the FDTD Method, IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, 2003.05
  66. Jeongyun Ko, Seongha Kim, Jaehoon Lee, Shinhee Won, Y. S. Kim, and Jichai Jeong, Estimation of Performance Degradation of Bidirectional WDM Transmission Systems Due to Rayleigh Backscattering and ASE Noises Using Numerical and Analytical Models, JOURNAL OF LIGHTWAVE TECHNOLOGY, 2003.04
  67. Yonghoon Kim, Jaehoon Lee, Yonggyoo Kim, O. Mizuhara, and Jichai Jeong, Performance verification of tera-bit transmissions using 30 ch×40 Gb/s WDM signals over NZDSFs, Optical Fiber Technology, 2003.04
  68. Jaehoon Lee, Seongha Kim, Yonghoon Kim, Yunje Oh, Seongtaek Hwang, and Jichai Jeong, Optically Preamplified Receiver Performance Due to VSB Filtering for 40-Gb/s Optical Signals Modulated With Various Formats, JOURNAL OF LIGHTWAVE TECHNOLOGY, 2003.02
  69. Jaehoon Lee, Seungki Nam, S. H. Lee, and Jichai Jeong, A Complete Small-Signal Equivalent Circuit Model of Cooled Butterfly-Type 2.5 Gbps DFB Laser Modules and its Application to Improve High Frequency Characteristics, IEEE TRANSACTIONS ON ADVANCED PACKAGING, 2002.11
  70. Woosuk Choi, Sub Hur, Jaehoon Lee, Yonggyoo Kim, and Jichai Jeong, Transmission Performance Analysis of 8 10 Gb/s WDM Signals Using Cascaded SOAs Due to Signal Wavelength Displacement, JOURNAL OF LIGHTWAVE TECHNOLOGY, 2002.08
  71. Jaehoon Lee, Sung Kee Kim, Younghoon Kim, Osamu Mizuhara, Gapyoul Lyu, Sung-Soo Kang, Jae-ho Song, Jichai Jeong, Performance evaluation and prediciton using eye margin characteristics for optical transmission systems, Optics Communications, 2001.06
  72. Sung Kee Kim, Jaehoon Lee, and Jichai Jeong, Transmission Performance of 10-Gb/s Optical Duobinary Transmission Systems Considering Adjustable Chirp of Nonideal LiNbO3 Mach?Zehnder Modulators Due to Applied Voltage Ratio and Filter Bandwidth, JOURNAL OF LIGHTWAVE TECHNOLOGY, 2001.04
  73. Yonggyoo Kim, Hanlim Lee, Jaehoon Lee, Jaeho Han, T. W. Oh, and Jichai Jeong, Chirp Characteristics of 10-Gb/s Electroabsorption Modulator Integrated DFB Lasers, IEEE JOURNAL OF QUANTUM ELECTRONICS, 2000.08
  74. Jongjoo Lee, Heeseok Lee, Woopoung Kim, Jaehoon Lee, and Joungho Kim, Suppression of Coupled-Slotline Mode on CPW Using Air-Bridges Measured by Picosecond Photoconductive Sampling, IEEE MICROWAVE AND GUIDED WAVE LETTERS, 1999.07
  75. Woopoung Kim, Jongjoo Lee, Jaehoon Lee, Heeseok Lee, and Joungho Kim, Wave form reconstruction of photoconductive switch using minimum phase retrieval algorithm,Applied Physics Letters, 1998.07

International CONFERENCES


  1. Seungjin Lee, Jaehyuk Lim, Sangyeol Oh, Jaehoon Lee, Mode conversion noise mitigation in microstrip differential delay lines using serpentine coupled lines, IEEE INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, SIGNAL & POWER INTEGRITY (EMC& SIPI), New Orleans USA, 2019
  2. Jaehyuk Lim, Seungjin Lee, Jaehoon Lee, Yonghoon Kim, Dan Oh, Common-mode noise reduction of bended differential lines using meander line structure, JOINT IEEE ELECETROMAGNETIC COMPATIBILITY & ASIA PACIFIC ELECTROMAGNETIC COMPATIBILITY SYMPOSIUM (APEMC), Singapore Singapore, 2018
  3. Seungjin Lee, Jaehyuk Lim, Sangyeol Oh, Jaehoon Lee, Yonghoon Kim, Dan Oh, Common mode conversion noise suppression using L-Pad with asymmetric coupled lines on bended differential lines, JOINT IEEE ELECETROMAGNETIC COMPATIBILITY & ASIA PACIFIC ELECTROMAGNETIC COMPATIBILITY SYMPOSIUM (APEMC), Singapore Singapore, 2018
  4. Sangyeol Oh, Beomsoo Shin, Jaehyuk Lim, Seungjin Lee, Jaehoon Lee, Differential-to-common mode conversion noise suppression with unit cell EBG structure for bended differential lines, IEEE ELECTRICAL DESIGN OF ADVANCED PACKAGING AND SYSTEMS (EDAPS), Honolulu USA, 2016
  5. Seungjin Lee, Sangyeol Oh, Beomsoo Shin, Jaehyuk Lim, Jaehoon Lee, Differential to common mode conversion suppression using mushroom structure with asymmetric coupled line, IEEE ELECTRICAL DESIGN OF ADVANCED PACKAGING AND SYSTEMS (EDAPS), Honolulu USA, 2016
  6. Sangyeol Oh, Beomsoo Shin, Jaehyuk Lim, Jongwon Choi, Seungjin Lee, Jaehoon Lee, UWB bandpass filter with dual notched bands based on microstrip to CPW transition, IEEE WIRELESS AND MICROWAVE TECHNOLOGY CONFERENCE (WAMICON), Orlando USA, 2015
  7. Hyunwoo Yoo, Myungyong Yoon, Beomsoo Shin, Sangyeol Oh, Jaehoon Lee, Combined version of signal position-based adaptive QRD-M algorithm with other QRD-M algorithms for MIMO system, INTERNATIONAL CONFERENCE ON COMMUNICATION, INTERNET, AND INFORMATION TECHNOLOGY (CIIT), Baltimore USA, 2012


International Patents


  1. Method for concurrently transmitting and receiving data through heterogeneous communication networks and apparatus using the same,"Jaehoon Lee, Ki-Uk Song, Seong-taek Hwang, Byung-Jik Kim",US8295211,2012.10.23
  2. Method and apparatus for scheduling in cellular system using cable relay station,"Jin-Woo Choe, Seong-taek Hwang, Byoung-Seok Lee, Jaehoon Lee, In-Hong Shong, Won-Jin Sung, Ki-Suk Sung",US8238299,2012.8.7
  3. Method and system for generating switching control signal separating transmission signal in optical repeater employing TDD scheme,"Seong-taek Hwang, Byung-Jik Kim, Sang-Ho Kim, Jaehoon Lee",US7995924,2011.8.9
  4. Method and apparatus for joint scheduling to increase frequency efficiency and fairness in a multi-channel distributed antenna system using frequency reuse and common power control,"Jin-Woo Choe, Seong-taek Hwang, Jaehoon Lee, Byoung-Seok Lee, In-Hong Shong, Won-Jin Sung",US7929408,2011.4.19
  5. Method and apparatus of adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes based on symbol error rate in distributed wireless communication system,"Jae-Hun Cho, Shuangfeng Han, Seong-taek Hwang, Hoon Kim, Sang-Ho Kim, Jaehoon Lee, Ki-Uk Song",US7904106,2011.3.8
  6. Method and system for controlling remote in a TDD optical repeater,"Jaehoon Lee, Seong-taek Hwang, Byung-Jik Kim, Sang-Ho Kim",US7826430,2010.11.2
  7. Apparatus and method for controlling power in cellular system using wired relay stations,"Jin-Woo Choe, Seong-taek Hwang, Jaehoon Lee, Byoung-Seok Lee, In-Hong Shong, Won-Jin Sung",US7809327,2010.10.5
  8. Rof link system for supporting various service,"Han-Lim Lee, Seong-Taek Hwang, Byung-Jik Kim, Gye-Woong Lee, Hoon Kim, Jaehoon Lee, Young-Gyoo Kim, Sang-Ho Kim, Sung-Kee Kim",US7796891,2010.9.14
  9. Single wavelength bi-directional RoF link apparatus or signal transmission in TDD wireless system,"Jaehoon Lee, Byung-Jik Kim, Seong-Taek Hwang, Sang-Ho Kim",US7773887,2010.8.10
  10. RoF link apparatus capable of stable TDD wireless service,"Sang-Ho Kim, Yun-Je Oh, Seong-Taek Hwang, Byung-Jik Kim, Gye-Woong Lee, Hoon Kim, Sung-Kee Kim, Han-Lim Lee, Jaehoon Lee, Young-Gyoo Kim, Dae-Eun Choi",US7733825,2010.6.8
  11. Remote access unit and radio-over-fiber network using same,"Jaehoo Lee, Seong-Taek Hwang, Byung-Jik Kim, Gye-Woong Lee, Hoon Kim, Sang-Ho Kim, Young-Gyoo Kim, Sung-Kee Kim, Han-Lim Lee",US7660531,2010.2.9
  12. Network system for interworking W-LAN and 3G mobile communication network through RoF Link and authentication method according to interworking in the network system,"Gyu-Woong Lee, Kwan-Soo Lee, Cang-Sup Shim, Yun-Je Oh, Jaehoon Lee, Seong-Taek Hwang",US7653039,2010.1.26
  13. Remote access unit and optical network for bidirectional wireless communication using the same,"Young-Gyoo Kim, Seong-Taek Hwang, Byung-Jik Kim, Gye-Woong Lee, Hoon Kim, Sang-Ho Kim, Sung-Kee Kim, Han-Lim Lee, Jaehoon Lee",US7630694,2009.12.8
  14. Wideband monopole antenna,"Seong-Taek Hwang, Jaehoon Lee, Young-Sik Kim, Ji-Chai Jeong, Jung-Woo Baek, Young-Je Sung",US7375700,2008.3.20
  15. Wavelength-division-multiplexed passive optical network using wavelength-locked optical transmitter,"Jaehoon Lee, Yong-Gyoo Kim, Yun-Je Oh, Seong-Taek Hwang",US7319818,2008.1.15
  16. Wideband optical module and PON using the same,"Jaehoon Lee, Sung-Bum Park, Yun-Je Oh, Seong-Taek Hwang, Hyun-Soo Kim",US7280719,2007.10.9
  17. Bi-directional wavelength division multiplexing self-healing passive optical network,"Sung-Bum Park, In-Kwon Kang, Seong-Taek Hwang, Jaehoon Lee",US7174102,2007.2.6