International(해외) ▸ H.S.Yoon, D.G.Jo, D.I.Kim and K.W.Choi, "On-Off Arbitrary Beam Synthesis and Non-Interactive Beam Management for Phased Antenna Array Communications.", in IEEE Transactions on Vehicular Technology, 2021. ▸ S. H. Kim, S. Y. Park, K. W. Choi, T. -J. Lee and D. I. Kim, "Backscatter-Aided Cooperative Transmission in Wireless-Powered Heterogeneous Networks," in IEEE Transactions on Wireless Communications, vol. 19, no. 11, pp. 7309-7323, Nov. 2020, doi: 10.1109/TWC.2020.3010544. Backscatter-Aided Cooperative Transmission in Wireless-Powered Heterogeneous Networks ▸ L. Ginting, H. S. Yoon, D. I. Kim and K. W. Choi, "Beam Avoidance for Human Safety in Radiative Wireless Power Transfer," in IEEE Access, vol. 8, pp. 217510-217525, 2020, doi: 10.1109/ACCESS.2020.3042184. Beam Avoidance for Human Safety in Radiative Wireless Power Transfer ▸ K. W. Choi et al., "Simultaneous Wireless Information and Power Transfer (SWIPT) for Internet of Things: Novel Receiver Design and Experimental Validation," in IEEE Internet of Things Journal, vol. 7, no. 4, pp. 2996-3012, April 2020, doi: 10.1109/JIOT.2020.2964302. Simultaneous Wireless Information and Power Transfer (SWIPT) for Internet of Things Novel Receiver Design and Experimental Validation ▸ J. H. Park, D. I. Kim and K. W. Choi, "Analysis and Experiment on Multi-Antenna-to-Multi-Antenna RF Wireless Power Transfer," in IEEE Access, vol. 9, pp. 2018-2031, 2021, doi: 10.1109/ACCESS.2020.3047485. Analysis and Experiment on MultiAntenna to MultiAntenna RF Wireless Power Transfer ▸ H. H. Jang, K. W. Choi and D. I. Kim, "Novel Frequency-Splitting SWIPT for Overcoming Amplifier Nonlinearity," in IEEE Wireless Communications Letters, vol. 9, no. 6, pp. 826-829, June 2020, doi: 10.1109/LWC.2020.2971983. Novel Frequency-Splitting SWIPT for Overcoming Amplifier Nonlinearity ▸ K. W. Choi, S. I. Hwang, A. A. Aziz, H. H. Jang, J. S. Kim, D. S. Kang, and D. I. Kim*, "Simultaneous wireless information and power transfer (SWIPT) for internet of things: Novel receiver design and experimental validation," IEEE Internet of Things Journal, accepted, 2020. international_journal_1 ▸ N. M. Tran, M. M. Amri, J. H. Park, S. I. Hwang, D. I. Kim, and K. W. Choi*, "A novel coding metasurface for wireless power transfer aplications," Energies, vol. 12, no. 23, Nov. 2019. international_journal_2 ▸ K. W. Choi, L. Ginting, A. A. Aziz, D. Setiawan, J. H. Park, S. I. Hwang, D. S. Kang, M. Y. Chung, and D. I. Kim*, "Toward realization of long-range wireless-powered sensor networks," IEEE Wireless Communications, Vol. 26, no. 4, pp. 184 - 192, Aug. 2019. international_journal_3 ▸ A. A. Aziz, L. Ginting, D. Setiawan, J. H. Park, N. M. Tran, G. Y. Yeon, D. I. Kim, and K. W. Choi*, "Battery-less location tracking for internet of things: Simultaneous wireless power transfer and positioning ," IEEE Internet of Things Journal, Vol. 6, no. 5, pp. 9147 - 9164, Oct. 2019. international_journal_4 ▸ D. Munir, S. T. Shah, K. W. Choi, T.-J. Lee, and M. Y. Chung*, "Performance analysis of wireless-powered cognitive radio networks with ambient backscatter," EURASIP Journal on Wireless Communications and Networking, Feb. 2019. international_journal_5 ▸ F. Syariati and K. W. Choi*, "Optimal concurrent multipath data transfer for bandwidth aggregation in heterogeneous mobile networks," Wireless Personal Communications, vol. 107, no. 3, pp. 1383-1400, Aug. 2019. international_journal_6 ▸ D. Munir, S. T. Shah, K. W. Choi, and M. Y. Chung*, "Information processing and wireless energy harvesting in interference-aware public safety networks," Wireless Personal Communications, vol. 103, pp. 2071-2091, June. 2018. international_journal_7 ▸ S. T. Shah, D. B. da Costa, K. W. Choi, and M. Y. Chung*, “Dynamic wireless energy harvesting and optimal distribution in multipair DF relay network with nonlinear energy conversion model,” Wireless Communications and Mobile Computing, vol. 2018, Aug. 2018. international_journal_8 ▸ D. Setiawan, A. A. Aziz, D. I. Kim, and K. W. Choi*, “Experiment, modeling, and analysis of wireless-powered sensor network for energy neutral power management,” IEEE Systems Journal, vol. 12, no. 4, pp. 3381-3392, Dec. 2018. international_journal_9 ▸ Y. S. M. Pratama and K. W. Choi*, “Bandwidth aggregation protocol and throughput-optimal scheduler for hybrid RF and visible light communication systems,” IEEE Access, vol. 16, pp. 32173-32187, June 2018. international_journal_10 ▸ S. T. Shah, K. W. Choi, T.-J. Lee, and M. Y. Chung*, “Outage probability and throughput analysis of SWIPT enabled cognitive relay network with ambient backscatter,” IEEE Internet of Things Journal., vol. 5, no. 4, pp. 3198-3208, Aug. 2018. international_journal_11 ▸ N. T. Nguyen, K. W. Choi, L. Song, and Z. Han*, “ROOMMATEs: An unsupervised indoor peer discovery approach for LTE D2D communication,” IEEE Trans. Veh. Technol, vol. 67, no. 6, pp. 5069-5083, June 2018. international_journal_12 ▸ K. W. Choi, A. A. Aziz, D. Setiawan, N. M. Tran, L. Ginting, and D. I. Kim*, “Distributed wireless power transfer system for Internet-of-Things devices,” IEEE Internet of Things Journal., vol. 5, no. 4, pp. 2657-2671, Aug. 2018. international_journal_13 ▸ M. E. Ahmed, D. I. Kim*, and K. W. Choi, “Traffic-aware optimal spectral access in wireless powered cognitive radio networks,” IEEE Trans. Mob. Comput., vol. 17, no. 3, pp. 733-745, Mar. 2018. international_journal_14 ▸ K. W. Choi, P. A. Rosyady, L. Ginting, A. A. Aziz, D. Setiawan, and D. I. Kim*, “Theory and experiment for wireless-powered sensor networks: how to keep sensors alive,” IEEE Trans. Wireless Commun., vol. 17, no. 1, pp. 430-444, Jan. 2018. international_journal_15 ▸ K. W. Choi, Y. S. Cho, Aneta, J. W. Lee, S. M. Choi, and J. H. Choi*, “Optimal load balancing scheduler for MPTCP-based bandwidth aggregation in heterogeneous wireless environments,” Computer Communications, vol. 112. no. 1, pp. 116-130, Nov. 2017. international_journal_16 ▸ K. W. Choi, D. I. Kim*, and M. Y. Chung, “Received power-based channel estimation for energy beamforming in multiple-Antenna RF energy transfer system,” IEEE Trans. Signal Proc., vol. 65, no. 6, pp. 1461-1476, Mar. 2017. international_journal_17 ▸ K. W. Choi, L. Ginting, P. A. Rosyady, A. A. Aziz, and D. I. Kim*, “Wireless-powered sensor networks: how to realize,” IEEE Trans. Wireless Commun., vol. 16, no. 1, pp. 221-234, Jan. 2017. international_journal_18 ▸ S. T. Shah, K. W. Choi, S. F. Hasan, and M. Y. Chung*, “Throughput analysis of two-way relay networks with wireless energy harvesting capabilities,” Ad Hoc Networks, vol. 53, no. 15, pp. 123-131, Dec. 2016. international_journal_19 ▸ S. T. Shah, K. W. Choi, S. F. Hasan, and M. Y. Chung*, “Energy harvesting and information processing in two-way multiplicative relay networks,” IET Electronics Letters., vol. 52, no. 9, pp. 751-753, Apr. 2016. international_journal_20 ▸ K. W. Choi and D. I. Kim*, “Stochastic optimal control for wireless powered communication networks,” IEEE Trans. Wireless Commun., vol. 15, no. 1, pp. 686-698, Jan. 2016. international_journal_21 ▸ K. W. Choi, D. Tribudi, and E. Hossain*, “Discovering mobile applications in cellular device-to-device communications: hash function and Bloom filter-based approach”, IEEE Trans. Mobile Comput., vol. 15, no. 2, pp. 336-349, Feb. 2016. international_journal_22 ▸ E. Zihan, K. W. Choi*, D. I. Kim, “Distributed random access scheme for collision avoidance in cellular device-to-device communication,” IEEE Trans. Wireless Commun., vol. 14, no. 7, pp. 3571-3585, Jul. 2015. international_journal_23 ▸ K. W. Choi* and Z. Han, “Device-to-device discovery for proximity-based service in LTE-Advanced system,” IEEE Journal of Selected Areas in Communications (D2D Communications), vol. 33, no. 1, pp. 55-66, Jan. 2015. international_journal_24 ▸ D. Tribudi and K. W. Choi*, “Hybrid random access and data transmission protocol for machine-to-machine communications in cellular networks,” IEEE Trans. Wireless Commun., vol. 14, no. 1, pp. 33-46, Jan. 2015. international_journal_25 ▸ B. Shresta, E. Hossain*, K. W. Choi, and S. Camorlinga, “Distributed and Centralized Hybrid CSMA/CA-TDMA Schemes for Single-Hop Wireless Networks,” IEEE Trans. Wireless Commun., vol. 13, no. 7, pp. 4050-4065, Jul. 2014. international_journal_26 ▸ D. H. Lee, K. W. Choi, W. S. Jeon, and D. G. Jeong*, “Two-stage semi-distributed resource management for device-to-device communication in cellular networks,” IEEE Trans. Wireless Commun., vol. 13, no. 4, pp. 1908-1920, Apr. 2014. international_journal_27 ▸ K. W. Choi, D. G. Jeong, and W. S. Jeon*, “Optimal subcarrier and power allocation in OFDMA mesh networks,” Ad hoc and Sensor Wireless Networks, vol. 22, no. 3-4, pp. 281-308, Sept. 2014. international_journal_28 ▸ K. W. Choi, W. S. Jeon, and D. G. Jeong*, “Variable length signal detection framework for cognitive radio systems,” International Journal of Communication Systems, vol. 27, no. 3, Mar. 2014. international_journal_29 ▸ K. M. Thilina, K. W. Choi, N. Saquib, and E. Hossain*, “Machine learning techniques for cooperative spectrum sensing in cognitive radio networks,” IEEE Journal of Selected Areas in Communications (Cognitive Radio Series), vol. 31, no. 11, Nov. 2013. international_journal_30 ▸ B. Shresta, K. W. Choi, and E. Hossain*, “A dynamic time slot allocation scheme for hybrid CSMA/TDMA MAC protocol,” IEEE Wireless Commun. Lett., vol. 2, no. 5, Oct. 2013. international_journal_31 ▸ D. H. Lee, W. S. Jeon, K. W. Choi, and D. G. Jeong*, “Adaptive transmission policy over Rayleigh fading channels for cooperative networks with limited feedback,” IET Communications, vol. 7, no. 17, Nov. 2013. international_journal_32 ▸ S. Choi, J. H. Yun, and K. W. Choi*, “Functional duality between distributed source coding with one distortion criterion and semi-deterministic broadcast channel coding in the case of correlated messages,” IEEE Commun. Lett., vol. 17, no. 6, pp. 1236-1239, June 2013. international_journal_33 ▸ K. W. Choi, W. S. Jeon, and D. G. Jeong*, “Adaptive and distributed access to spectrum holes in cognitive radio system,” Wireless Personal Communications, vol. 70, no. 1, pp. 207-226, May 2013. international_journal_34 ▸ K. W. Choi, S. Choi, J. H. Yun*, “On the Joint Distribution of Aggregate Interference at Multiple Wireless Receivers,” IEEE Trans. Veh. Technol ., vol. 62, no.3, pp. 1355-1362, Mar. 2013. international_journal_35 ▸ K. W. Choi and E. Hossain*, “Estimation of primary user parameters in cognitive radio systems via hidden Markov model,” IEEE Trans. Signal Proc., vol. 61, no. 3, pp. 782-795, Feb. 2013. international_journal_36 ▸ S. Lee, K. W. Choi, and S.-L. Kim*, “Maximum likelihood detection of random primary networks for cognitive radio systems,” IEICE Trans. on Commun., vol. E95-B, no. 10, pp. 3365 – 3369, Oct. 2012. ▸ K. W. Choi and D. I. Kim*, “Outage probability analysis of macro-diversity combining in Poisson field of access points,” IEEE Commun. Lett., vol. 16 , no. 8, pp. 1208 – 1211, Aug. 2012. international_journal_38 ▸ K. W. Choi and E. Hossain*, “Opportunistic access to spectrum holes between packet bursts: a learning-based approach,” IEEE Trans. Wireless Commun., vol. 10, no. 8, pp. 2497 – 2509, Aug. 2011. international_journal_39 ▸ K. W. Choi, E. Hossain*, and D. I. Kim, “Downlink subchannel and power allocation in multi-cell OFDMA cognitive radio networks,” IEEE Trans. Wireless Commun., vol. 10, no. 7, pp. 2259 – 2271, July 2011. international_journal_40 ▸ K. W. Choi, E. Hossain*, and D. I. Kim, “Cooperative spectrum sensing under random geometric primary user network model,” IEEE Trans. Wireless Commun., vol. 10, no. 6, pp. 1932 – 1944, June 2011. international_journal_41 ▸ K. W. Choi, W. S. Jeon, and D. G. Jeong*, “Efficient load-aware routing scheme for wireless mesh networks,” IEEE Trans. Mobile Comput., vol. 9, no. 9, pp. 1293 – 1307, Sept. 2010. international_journal_42 ▸ K. W. Choi*, “Adaptive sensing technique to maximize spectrum utilization in cognitive radio,” IEEE Trans. Veh. Technol., vol. 59, no. 2, pp. 992 – 998, Feb. 2010. international_journal_43 ▸ K. W. Choi, W. S. Jeon, and D. G. Jeong*, “Sequential detection of cyclostationary signal for cognitive radio systems,” IEEE Trans. Wireless Commun., vol. 8, no. 9, pp. 4480 – 4485, Sept. 2009. international_journal_44 ▸ K. W. Choi, W. S. Jeon, and D. G. Jeong*, “Resource allocation in OFDMA wireless communications systems supporting multimedia services,” IEEE/ACM Trans. Netw., vol. 17, no. 3, pp. 926 – 935, June 2009. international_journal_45 ▸ K. W. Choi, D. G. Jeong, and W. S. Jeon*, “Packet scheduler for mobile communications systems with time-varying capacity region,” IEEE Trans. Wireless Commun., vol. 6, no. 3, pp. 1034 – 1045, Mar. 2007. international_journal_46 Domestic(국내) ▸ 김지수, 김건우, 박종인, 최계원. (2021). "강화학습을 이용한 주파수 공유 알고리즘 연구 ", 한국통신학회논문지, 46(3), 450-458. ▸ 연규양, 황사일, 최계원. (2020). 다중 수신안테나로 구성된 RF 무선 전력 카메라 시스템 구현. 한국통신학회논문지, 45(6), 1090-1102. 다중 수신안테나로 구성된 RF 무선 전력 카메라 시스템 구현 ▸ G. Y. Yeon, S. I. Hwang and K. W. Choi*, "빔포밍에 기반한 RF 무선 전력 카메라 시스템, " Journal of KICS, (게재예정), Jun. 2020. ▸ D. S. Kang, S. Lee, J. S. Kim, and K. W. Choi*, "DCO-OFDM 기반의 가시광 통신 테스트베드 구현," Journal of KICS, vol. 45, no. 1, pp. 117 – 128, Jan. 2020. ▸ S. I. Hwang and K. W. Choi*, "DC 바이어스 OFDM 기반 동시 무선 정보 및 전력 전송 설계 및 실험," Journal of KICS, vol. 45, no. 1, pp. 231 – 238, Jan. 2020. ▸ D. S. Kang and K. W. Choi*, "초고밀도 네트워크를 위한 SDR 테스트베드 개발," Journal of KICS, vol. 44, no.6, pp. 1181-1187, Jun. 2019. ▸ F. A. Kusuma and K. W. Choi*, “Online simulation system for cellular core network performance measurement,” Journal of KICS, vol. 42, no. 12, pp. 2307 – 2310, Dec. 2017. ▸ A. A. Aziz, D. Tribudi, L. Ginting, P. A. Rosyady, D. Setiawan, and K. W. Choi*, “RF energy transfer testbed based on off-the-shelf components for IoT application,” Journal of KICS, vol. 40, no. 10, pp. 1912 – 1921, Oct. 2015. ▸ 김도윤, 최영준, 최계원*, “지상 모바일 서비스를 위한 인지 무선 시스템 기술,” 한국통신학회지, vol. 32, no. 11, pp. 33 – 40, Nov. 2015. ▸ E. Zihan and K. W. Choi*, “Outage Probability Analysis of Macro Diversity Combining Based on Stochastic Geometry,” 한국전자통신학회 논문지, vol. 9, no. 2, pp. 187 – 194, Feb. 2014. ▸ D. Tribudi and K. W. Choi*, “Overload Control for Random Access in Cellular Machine-to-Machine Communications,” 한국전자통신학회 논문지, vol. 9, no. 2, pp. 181 – 186, Feb. 2014. ▸ K. W. Choi, Hyun Lee, Sung Cheol Chang, “Mobile application and service discovery protocol for device-to-device communication,” Journal of KICS, vol. 38A, no. 10, pp. 908 – 917, Oct. 2013. ▸ K. W. Choi, D. G. Jeong, and W. S. Jeon, “Opportunistic scheduling algorithm for throughput maximization in cooperative communication,” Telecommunications Review, vol. 19, no. 2, pp. 332 – 345, Apr. 2009. ▸ D. G. Jeong, K. W. Choi, and W. S. Jeon, “Wireless cooperative communication systems: a survey,” Telecommunications Review, vol. 17, no. 6, pp. 977 – 985, Dec. 2007. ▸ W. S. Jeon, K. W. Choi, and D. G. Jeong, “TCP performance analysis in wireless transmission using AMC,” Journal of KICS, vol. 31, no. 2, pp. 188 – 195, Apr. 2004.
