Conference

  1. 박제현, 최계원, "Prediction of Power Transfer Efficiency of Multi-Antenna to Multi-Antenna Long-Range RF-Based Wireless Power Transfer System," 대한전자공학회 하계종합학술발표회, Korea, Jun. 2019.
  2. 황사일, 최계원, "Design and Experiment of DC-Biased OFDM-Based Simultaneous Wireless Information and Power Transfer," 한국통신학회 하계종합학술발표회, Korea, Jun. 2019.
    조동근, 윤현식, 최계원, "밀리미터 웨이브 통신시스템에서의 효율적인 빔 합성을 위한 최적화 방법," 한국통신학회 하계종합학술발표회, Korea, Jun. 2019.
  3. 연규양, 최계원, "RF 무선 전력 전송을 통한 저전력 카메라 시스템," 한국통신학회 하계종합학술발표회, Korea, Jun. 2019.
  4. 박제현, 최계원, "Development of 5.8GHz Microwave Wireless Power Transfer System," 한국통신학회 하계종합학술발표회, Korea, Jun. 2019.
  5. 장현호, 최계원, 김동인, "FSS SWIPT 방법의 PAPR 특성 분석," 한국통신학회 하계종합학술발표회, Korea, Jun. 2019.
  6. 김지수, 최계원, "비콘을 이용한 실내 내비게이션," 한국통신학회 하계종합학술발표회, Korea, Jun. 2019.
  7. J. H. Park and K. W. Choi, "Phased Antenna Array-based Single Anchor Location Tracking System," 한국통신학회 동계종합학술발표회, Korea, Jan. 2019.
  8. D. S. Kang and K. W. Choi, "Development of SDR Testbed for Ultra-Dense Networks," 한국통신학회 동계종합학술발표회, Korea, Jan. 2019.
  9. S. I. Hwang, D. Setiawan and K. W. Choi, "Battery-Less location tracking for Internet of Things Devices : Simultaneous Wireless Power Transfer," 한국통신학회 하계종합학술발표회, Korea, Jun. 2018.
  10. J. H. Park, L. Ginting, A. A. Aziz, D. Setiawan and K. W. Choi, "Research for Long Range Wireless-Powerd Sensor Network," 한국통신학회 하계종합학술발표회, Korea, Jun. 2018.
  11. K. D. Soo, P. Y. S. Manguntang and K. W. Choi, "A Study on the VLC physical layer and Beaglebone Black PRU module systems," 한국통신학회 하계종합학술발표회, Korea, Jun. 2018.
  12. J. H. Park, A. A. Aziz, L. Ginting, and K. W. Choi, “Experiments on low power RF-powered sensor networks,” 한국전자파학회 하계학술대회, Jeju, Korea, Aug. 2018.
  13. A. A. Aziz, J. W. Woo, D. I. Kim, and K. W. Choi, “A novel receiver architecture for simultaneous wireless information and power transfer,” in Proc. JCCI 2018, Yeosu, Korea, Jun. 2018.
  14. N. M. Tran, D. I. Kim, and K. W. Choi, “Beam focusing analysis of phased antenna array-based RF wireless power transfer system,” in Proc. JCCI 2018, Yeosu, Korea, Jun. 2018.
  15. Y. S. Pratama and K. W. Choi, “Bandwidth aggregation protocol for hybrid VLC and RF communications system,” in Proc. ACM CoNEXT Student Workshop 2017, Incheon, Korea, Dec. 2017.
  16. K. W. Choi, L. Ginting, D. Setiawan, A. A. Aziz, and D. I. Kim, “Coverage probability of distributed wireless power transfer system,” in Proc. ICUFN 2017, Milan, Italy, Jul. 2017.
  17. F. A. Kusuma and K. W. Choi, “CoreSim: 셀룰러 코어 네트워크 성능 측정 위한 자동온라인 시뮬레이션 시스템,” 대한전자공학회 하계학술대회, Pusan, Korea, Jun. 2017.
  18. K. W. Choi, L. Ginting, D. Setiawan, and D. I. Kim, “An experimental study on distributed wireless power transfer system,” 한국통신학회 하계학술대회, Jeju, Korea, Jun. 2017.
  19. K. W. Choi, P. A. Rosyady, L. Ginting, A. A. Aziz, and D. I. Kim, “Simultaneously charging multiple sensor nodes in multi-antenna wireless-powered sensor networks,” in Proc. IEEE ICC 2017, Paris, France, Jun. 2017.
  20. D. Setiawan, A. A. Aziz, D. I. Kim, and K. W. Choi, “Experiment and modeling of wireless-powered sensor network,” in Proc. IEEE WCNC Workshops 2017, San Francisco, CA, May 2017.
  21. K. W. Choi, P. A. Rosyady, L. Gineing, A. A. Aziz, and D. I. Kim,  “Multi-Node Receive Power Region of Wireless-Powered Sensor Networks,” in Proc. JCCI 2017, Pusan, Korea, Apr. 2017.
  22. Aneta and K. W. Choi, “MPTCP optimization for LTE-WiFi bandwidth aggregation,” 한국전자파학회 하계학술대회, Jeju, Korea, Aug. 2015.
  23. E. Zihan and K. W. Choi, “Random access protocol for collision avoidance in cellular device-to-device communication,” in Proc. ICC 2014, Sydney, Australia, Jun. 2014.
  24. K. W. Choi, Hyun Lee, Sung Cheol Chang, “Discovering mobile applications for device-to-device communication: hash function-based approach,” in Proc. IEEE VTC 2014-Spring, Seoul, Korea, May 2014.
  25. D. Tribudi and K. W. Choi, “Joint random access channel allocation and load control for machine-to-machine communications in cellular networks”, in Proc.  IFAC  TA 2013, Seoul, Korea, Nov. 2013.
  26. E. Zihan and  K. W. Choi, “Random access-based device-to-device discovery scheme for proximity-based service in LTE-Advanced system,” in Proc. APWCS 2013, Seoul, Korea, Aug. 2013.
  27. B. Shresta, E. Hossain, K. W. Choi, “An analysis of wireless backhaul for picocell base stations in heterogeneous networks,”  in Proc. IEEE GLOBECOM 2013, Atlanta, GA, Dec. 2013.
  28. D. H. Lee, K. W. Choi, W. S. Jeon, and D. G. Jeong, “Resource allocation scheme for device-to-device communication for maximizing spatial reuse,” in Proc. IEEE WCNC 2013, Shanghai, China, Apr. 2013.
  29. K. M. Thilina, K. W. Choi, N. Saquib, and E. Hossain, “Pattern classification techniques for cooperative spectrum sensing in cognitive radio networks: SVM and W-KNN approaches,” in Proc. IEEE GLOBECOM 2012, Anaheim, CA, Dec. 2012.
  30. K. W. Choi, D. H. Lee, W. S. Jeon, and D. G. Jeong, “Group-based control scheme for machine type device-to-device communication,” in Proc. APWCS 2012, Kyoto, Japan, Aug. 2012.
  31. P. Phunchongharn, E. Hossain, K. W. Choi, and S. Camorlinga, “Robust transmission scheduling and power control for spectrum sharing in spatial reuse TDMA wireless networks,” in Proc. IEEE GLOBECOM 2011, Houston, TX, Dec. 2011.
  32. B. Shresta, E. Hossain, K. W. Choi, and S. Camorlinga, “A Markov decision process (MDP)-based congestion-aware medium access strategy for IEEE 802.15.4,” in Proc. IEEE GLOBECOM 2011, Houston, TX, Dec. 2011.
  33. K. W. Choi, D. G. Jeong, and W. S. Jeon, “Opportunistic cooperative communication,” in Proc. IEEE VTS APWCS 2007, Hsinchu, Taiwan, Aug. 2007.
  34. K. W. Choi, D. G. Jeong, and W. S. Jeon, “Generalized packet scheduler for wireless and mobile multimedia communications systems,” in Proc. IEEE VTC 2005-Fall, Dallas, TX, Sept. 2005, pp. 1584 – 1588.
  35. K. W. Choi, W. S. Jeon, and D. G. Jeong, “Packet scheduler for mobile communications systems with time-varying capacity region,” in Proc. IEEE VTC 2005-Spring, Stockholm, Sweden, May 2005, pp. 1925 – 1929.
  36. K. W. Choi, W. S. Jeon, and D. G. Jeong, “TCP performance analysis in wireless transmission using AMC,” in Proc. IEEE VTC 2003-Spring, Jeju, Korea, Apr. 2003, pp. 611 – 615.