Okhwan Lee, Jihoon Kim, Jongtae Lim, and Sunghyun Choi, "SIRA: SNR-aware Intra-frame Rate Adaptation,” IEEE Communications Letters, vol. 19, no. 1, pp. 90-93, Jan. 2015. [PDF][LINK]
Weiping Sun, Okhwan Lee, Yeonchul Shin, Seongwon Kim, Changmok Yang, Hyoil Kim, and Sunghyun Choi, "Wi-Fi Could Be Much More," IEEE Communications Magazine, Special Issue on The Future of Wi-Fi, vol. 52, no. 11, pp. 22-29, Nov. 2014. [LINK]
Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee, "Comparative Analysis of Link Quality Metrics and Routing Protocols for Optimal Route Construction in Wireless Mesh Networks," Ad Hoc Networks, vol. 9, no. 7, pp. 1343-1358, Sep. 2011. [PDF]
Okhwan Lee, Jihoon Kim, and Sunghyun Choi, "WiZizz: Energy Efficient Bandwidth Management in IEEE 802.11ac Wireless Networks." in Proc. IEEE SECON 2015, Seattle, USA, Jun. 22-25, 2015. [PDF]
Seongho Byeon, Changmok Yang, Okhwan Lee, Kangjin Yoon, and Sunghyun Choi, "Enhancement of Wide Bandwidth Operation in IEEE 802.11ac Networks," in Proc. IEEE ICC 2015, London, UK, Jun. 8-12, 2015. [PDF]
Okhwan Lee, Weiping Sun, Jihoon Kim, Hyuk Lee, Bo Ryu, Jungwoo Lee, and Sunghyun Choi, "ChASER: Channel-Aware Symbol Error Reduction for High-Performance WiFi Systems in Dynamic Channel Environment," in Proc. IEEE INFOCOM 2015, Hong Kong, Apr. 26 - May 1, 2015. [PDF][PPT] (Acceptance ratio: 19% = 316/1640)
Seongho Byeon, Kangjin Yoon, Okhwan Lee, Woonsun Cho, Seungseok Oh, and Sunghyun Choi, "MoFA: Mobility-aware Frame Aggregation in Wi-Fi," in Proc. ACM CoNEXT 2014, Sydney, Australia, Dec. 2-5, 2014. [PDF] (long paper, acceptance ratio for "long" papers: 20%=27/133)
Youngsoo Kim, Edwin Monroy, Okhwan Lee, Kyung-Joon Park, and Sunghyun Choi, "Adaptive Two-Level Frame Aggregation in IEEE 802.11n WLAN," in Proc. APCC 2012, Jeju Island, Korea, October 15-17, 2012. [PDF]
Ildefonso de la Cruz, Okhwan Lee, and Sunghyun Choi, "Efficient Measurement-Based Call Admission Control Algorithm for Multi-Rate VoWLANs," a poster presentation in IEEE SECON 2012, Seoul, Korea, June 18-21, 2012. [PDF]
Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee, "On Optimal Route Establishment in Wireless Mesh Networks," in Proc. IEEE PIMRC 2009, Tokyo, Japan, September 13-16, 2009. [PDF]
Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee, "MAC-Aware Routing Metric for 802.11 Wireless Mesh Networks," in Proc. IEEE PIMRC 2009, Tokyo, Japan, September 13-16, 2009. [PDF]
Heeyoung Lee, Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee, "Available Bandwidth-Based Association in IEEE 802.11 Wireless LANs," in Proc. ACM MSWiM 2008, Vancouver, Canada, Oct. 27-31, 2008. [PDF] (Acceptance ratio for "regular" papers: 21%=40/188)
Other Publications
손위평, 이옥환, 신연철, 김성원, 서지훈, 최성현, "차세대 IEEE 802.11 무선 랜 기술 및 연구 동향," SK Telecommunications Review, 2013년 8월. (Invited paper)
이옥환, 김성관, 최성현, 이성주, "IEEE 802.11 MAC 특성을 고려한 무선 메쉬 네트워크용 링크 품질 인자 개발," 정보과학회논문지, 2009년 10월.
김성관, 이옥환, 이성주, 최성현, "다중 홉 무선 메쉬 네트워크에서 최적 경로에 관한 연구," 한국통신학회 논문지, vol. 34, no. 1, 2009년 1월.
이옥환, 김성관, 이희영, 최성현, "무선 메쉬 네트워크 장비의 실험적인 성능 검증," 한국통신학회 논문지, vol. 33, no. 9, 2008년 9월.
박민수, 이옥환, 류봉균, 최성현, 이병기, "An Energy Efficient Rate Adaptation Method in IEEE 802.11n WLAN," 한국통신학회 동계종합학술발표회, 강원 평창, 2014년 2월 24일.
이옥환, 박민수, 최성현, "상용 IEEE 802.11n 장비를 이용한 다중안테나 채널 상태 정보 측정," 한국통신학회 동계종합학술발표회, 강원 평창, 2013년 1월 31일.
이옥환, 유승민, 김병진, 최성현, "IEEE 802.11n 무선랜 환경에서의 VoIP 성능 분석," 한국통신학회 동계종합학술발표회, 강원 평창, 2012년 2월 9일.
이옥환, 신연철, 최성현, "IEEE 802.11 무선랜에서의 SU-MIMO와 MU-MIMO 하향링크 성능 비교," 한국통신학회 동계학술발표회, 강원 평창, 2011년 2월 24일.
Seongkwan Kim, Okhwan Lee, Sung-Ju Lee, and Sunghyun Choi, "다중 홉 무선 메쉬 네트워크에서 최적 경로에 관한 연구," in Proc. JCCI 2008, Jae-ju, Korea, April 23-25, 2008.
Okhwan Lee, Seongkwan Kim, Heeyoung Lee, Sungwoo Lee, Ohjin Kwon, Eungchan Kim, and Sunghyun Choi, 무선 메쉬 네트워크 장비의 실험적인 성능 검증," in Proc. JCCI 2008, Jae-ju, Korea, April 23-25, 2008.
Heeyoung Lee, Seongkwan Kim, Okhwan Lee, and Sunghyun Choi, 무선랜/메쉬 네트워크 클라이언트를 위한 새로운 네트워크 접속 방법론," in Proc. JCCI 2008, Jae-ju, Korea, April 23-25, 2008.
No pending paper, NOW.
Ill Soo Sohn, Sung Hyun Choi, Seung Min Yoo, Hye Won Lee, Mun Hwan Choi, Yong Ho Seok, and Ok Hwan Lee, “Method and Device for Channel Measurement in a Wire- less LAN System,” U.S. Patent Application US14/124584, filed June 1, 2012, Patent Pending.
Mun Hwan Choi, Sung Hyun Choi, Hye Won Lee, Ok Hwan Lee, Yong Ho Seok, Ill Soo Sohn, and Seung Min Yoo, “Method of Communication based on Controlling Receive Chain in Wireless Local Area Network and Apparatus for the Same,” U.S. Patent Ap- plication US14/000185, filed Feb. 9, 2012, Patent Pending.
Young-Jip Kim, Jung-Gi Kim, Yeonchul Shin, Sunghyun Choi, Seungmin Yoo, Okhwan Lee, “Apparatus and Method for Increasing Transmission Efficiency in a Communica- tion System,” Korean Patent Application 1020120081619, filed July 26, 2012, Patent Pending.