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정환석 교수

Chung, HwanSeok

INFO

  • 소속캠퍼스한국전자통신연구원 스쿨
  • 전공 ICT
    (네트워크공학)
  • 연락처042-860-6043
  • 출신전공전자전산학과
  • 학위박사
  • 최종출신대학한국과학기술원
  • 이메일

연구분야

유무선 광액세스망, 모바일 시스템을 위한 광전송망, 인도어 DAS

optical access system, optical transmission for mobile network, indoor DAS

대표연구실적

-  HwanSeok Chung, SunHyok Chang, JongHyun Lee, and Kwangjoon Kim, "Field trial of automatic bias control scheme for optical IQ modulator and demodulator with directed modulated 112 Gb/s DQPSK signal," Optics Express, Oct., 2013 -  HwanSeok Chung, SunHyok Chang, and Kwangjoon Kim., "Companding transform based SPM compensation in coherent optical OFDM transmission," Optics Express, Dec, 2011 -  Han Hyub Lee, Kyeong-Hwan Doo, Sil-Gu Mun, Kwangok Kim, Jie Hyun Lee, Sae-Kyoung Kang, Heuk Park, Nowook Park, Hyungjin Park, and Hwan Seok Chung, “Real-time demonstration of QoS guaranteed 25-Gb/s PON prototype with Ethernet-PON MAC/PHY and cost-effective APD receivers for 100-Gb/s access networks,” Optics Express, vol. 24, no.13, April,2016.

논문(최근 5년)

-  effects of carrier estimation on front-end IQ mismatch compensation in mode division multiplexed MIMO coherent receiver[Optical Fiber Technology,2014-10-01] -  mode division multiplexed optical transmission enabled by all-optical mode multiplexer[Optics Express,2014-06-03] -  Experimental demonstration of wavelength domain rogue-free ONU based on wavelength-pairing for TDM/WDM optical access networks[ OPTICS EXPRESS,2015-11-30] -  Improvement of the transmission performance in multi-IF-over-fiber mobile fronthaul by usingtone-reservation technique[ OPTICS EXPRESS,2015-12-16] -  Demonstration of mobile fronthaul test bed based on radio over fiber technique supporting 2 FAs and 2×2 MIMO antennas[ ETRI JOURNAL,2015-12-01] -  Effect of upstream incoherent crosstalk caused by ASE noise from Tx-Disabled ONUs in XG-PONs and TWDM-PONs[ ETRI JOURNAL,2016-02-01] -  Demonstration of time- and wavelength-division multiplexed passive optical network based on VCSEL array[ ETRI JOURNAL,2016-02-01] -  Demonstration of Bit-Level CWDM-Based Power Budget Extender Providing a High-Power Gain of 54dB in Symmetric-Rate 10G-EPON System[ IEICE TRANSACTIONS ON COMMUNICATIONS,2016-04-01] -  Clipping distortion suppression of directly modulated multi-IF-over-fiber mobile fronthaul links using shunt diode predistorter[ETRI JOURNAL,2016-04-01] -  Real-time demonstration of QoS guaranteed 25-Gb/s PON prototype with Ethernet-PON MAC/PHY and cost-effective APD receivers for 100-Gb/s access network[OPTICS EXPRESS,2016-06-27] -  Performance Improvement of multi-IFoF-based mobile fronthaul using dispersion-induced distortion mitigation with IF optimization[ JOURNAL OF LIGHTWAVE TECHNOLOGY,2016-10-15] -  Application-aware software-defined EPON access network[ PHOTONIC NETWORK COMMUNICATIONS,2015-12-01] -  Energy-efficient virtual base station formation in optical-access-enabled cloud-RAN[ IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS,2016-05-01]

특허(최근 5년)

-  coherent optical receiving apparatus amd optical signal processing method[2014-03-11] -  multicarrier based optical signal transmitting apparatus and optical signal receiving apparatus[2015-03-31] -  optical transmitter and method thereof[2015-11-17] -  Optical pumping apparatus for few mode fiber amplification[2016-01-19] -  광송신 장치 및 방법과 광수신 장치 및 방법[2014-04-01]

연구과제 수행 실적

SDN 기반 유무선 액세스 통합 광네트워킹 기술