Publications

[Google Scholar Citations]

International Journal Papers 

• 1. Woode Theodore, Prince Anokye, Changick Song, and Kyoungjae Lee, "Performance anaylsis and power optimzation of full-duplex massive MIMO-enabled UAVs with channel aging," submitted to IEEE Transactions on Vehicular Technology, May 2024.

  2. Changick Song and Kyoungjae Lee, "Regularized artificial fast fading designs for secure transmission in multi-user MIMO wiretap channels," ICT Express, vol.8, no. 4, pp. 569-574, Dec. 2022.

  3. Seunghwan Baek, Junhee Park, Jihwan Moon, Changick Song, and Inkyu Lee, "Real-time machine learning methods for two-way end-to-end wireless communication systems," IEEE Internet of Things Journal, vol.9, no.22, pp. 22983-22992, ISSN:2327-4662, Nov. 2022.

  4. Hongju Lee, Jihwan Moon, Changick Song, Sanghyun Lee, and Inkyu Lee, "Message-Passing Based Joint User Association and Time Allocation for Wireless Powered Communication Networks," IEEE Transactions on Wireless Communications, vol.21, no.1, pp.34-47, ISSN: 1536-1276, Jan. 2022.

  5. Jeonghyun Woo, Changick Song, and Inkyu Lee, "Sum rate and fairness optimization for intelligent reflective surface aided multiuser systems,"  IEEE Transactions on Vehicular Technology, vol.70, no.12, pp. 13436-13440, Dec. 2021.

  6. Prince Anokye, Roger Kwao Ahiadormey, Hanshin Jo, Changick Song, and Kyoung-Jae Lee, "Secrecy Outage Analysis in NOMA Power Line Communications ," IEEE Communications Letters, vol.25, no.5, pp.1448-1452, May 2021.

  7. Derek Kwaku Asiedu, Sumaila Mahama, Changick Song, Dongwan Kim, and Kyoung-Jae Lee, "Beamforming and resource allocation for multi-user full-duplex wireless powered communications in IoT networks," IEEE Internet of Things Journal, vol. 7 no. 12, pp. 11355-11370, ISSN:2327-4662, Dec. 2020.

  8. Jeongjoo Lee, Taeseok Oh, Jihwan Moon, Changick Song, Byeongsi Lee, and Inkyu Lee, "Hybrid beamforming with variable RF attenuator for multi-user mmWave systems," IEEE Transactions on Vehicular Technology, vol.69, no.8, pp. 9131-9134, ISSN: 0018-9545, Aug. 2020.

  9. Prince Anokye, Roger Kwao Ahiadormey, Han-shin Jo, Changick Song, and Kyoung-jae Lee, "Low resolution ADC quantized full duplex massive MIMO enabled wireless backhaul in heterogeneous networks over Rician fading channels," IEEE Transactions on Wireless Communications, vol.19, no.8, pp. 5503-5517, ISSN 1536-1276, Aug. 2020.

  10. Changick Song, Hoon Lee, and Kyoung-Jae Lee, "Optimal precoder designs for sum-utility maximization in SWIPT-enabled multi-user MIMO cognitive radio networks," IEEE Systems Journal, vol.13, no.3, pp.2332-2343, ISSN 1932-8184, Sep. 2019.

  11. Seunghwan Baek, Inkyu Lee, and Changick Song, "A new data pilot-aided channel estimation scheme for fast time-varying channels in IEEE 802.11p systems," IEEE Transactions on Vehicular Technology, vol. 68, no. 5, pp. 5169-5172, ISSN 0018-9545, May 2019.

  12. Prince Anokye, Roger Kwao Ahiadormey, Changick Song, and Kyoung-Jae Lee, "On the sum-rate of heterogeneous networks with low resolution ADC quantized full-duplex massive MIMO-enabled backhaul," IEEE Wireless Communications Letters, vol. 8, no. 2, pp. 452-455, ISSN 2162-2337, Apr., 2019.

  13. Changick Song, "Leakage rate analysis for artificial noise assisted massive MIMO with non-coherent passive eavesdropper in block-fading," IEEE Transactions on Wireless Communications, vol. 18, no. 4, pp. 2111-2124, ISSN 1536-1276, Apr., 2019.

  14. Changick Song, "Achievable secrecy rate of artificial fast-fading techniques and secret-key assisted design for MIMO wiretap channels with multiantenna passive eavesdropper," IEEE Transactions on Vehicular Technology, vol. 67, no. 10, pp. 10059-10063, ISSN 0018-9545, Oct., 2018.

  15. Jihwan Moon, Hoon Lee, Changick Song, Seowoo Kang, and Inkyu Lee, "Relay-assisted proactive eavesdropping with cooperative jamming and spoofing," IEEE Transactions on Wireless Communications, vol. 17, no. 10, pp. 6958-6971, ISSN 1536-1276, Oct., 2018.

  16. Jihwan Moon, Hoon Lee, Changick Song, Sunho Lee, and Inkyu Lee, "Proactive eavesdropping with full-duplex relay and cooperative jamming," IEEE Transactions on Wireless Communications, vol. 17, no. 10, pp. 6707-6719, ISSN 1536-1276, Oct., 2018.

  17. Taeseok Oh, Changick Song, Jaehoon Jung, Minki Ahn, Joonsuk Kim, and Inkyu Lee, "A new RF beam training method and asymptotic performance analysis for multi-user millimeter wave systems," IEEE Access, vol. 6, pp. 48125-48135, ISSN 2169-3536, Sep. 2018.

  18. Taeseok Oh, Changick Song, Jaein Kim, Seokju Jang, and Inkyu Lee, "Hybrid analog-digital filter designs for mmWave multipair two-way relaying systems," IEEE Transactions on Vehicular Technology, vol.67, no.8, pp. 7841-7845, ISSN 0018-9545, Aug. 2018.

  19. Bridget D. Antwi-Boasiako, Changick Song, and Kyoung-Jae Lee, "Transceiver designs for MIMO relaying systems with imperfect channel state information," Mobile Information Systems, vol. 2018, pp. 1-12, ISSN 1574-017X, Jul. 2018.

  20. Changick Song, "Massive-MIMO enabled FDD wireless backhaul small-cell relay networks: AF protocol based designs with low channel estimation and feedback complexity," IEEE Access, vol. 6, pp. 31050-31064, ISSN 2169-3536, Jun., 2018.

  21. Prince Anokye, Roger Kwao Ahiadormey, Changick Song, and Kyoung-Jae Lee, "Achievable Sum-rate Analysis of Massive MIMO Full-Duplex Wireless Backhaul Links in Heterogeneous Cellular Networks," IEEE Access, vol. 6, pp. 23456-23469, ISSN 2169-3536, May, 2018.

  22. Jaehyun Park, Bruno Clerckx, Changick Song, and Yueping Yu, "An analysis of the optimum node density for simultaneous wireless information and power transfer," IEEE Transactions on Vehicular Technology, vol. 67, no. 3, pp. 2713-2726, ISSN 0018-9545, Mar. 2018.

  23. Changick Song and Younghyun Jeon, "Weighted MMSE precoder designs for sum-utility maximization in multi-user SWIPT network-MIMO with Per-BS power constraints," IEEE Transactions on Vehicular Technology, vol. 67, no. 3, pp.2809-2813, ISSN 0018-9545, Mar. 2018.

  24. Seok-Hwan Park and Changick Song, "Fronthaul-aware superposition coding for noncoherent transmission in C-RAN downlink," Annals of Telecommunications, vol. 72, no. 11-12, pp. 661-667, ISSN 0003-4347, Dec. 2017.

  25. Hoon Lee, Changick Song, Jihwan Moon, and Inkyu Lee, "Precoder designs for MIMO Gaussian multiple access wiretap channels," IEEE Transactions on Vehicular Technology, vol. 66, no. 9, pp. 8563-8568, ISSN 0018-9545, Sep. 2017.

  26. Changick Song, Kyoung-Jae Lee, and Inkyu Lee, "Designs of MIMO amplify-and-forward wireless relaying networks: Practical challenges and solutions based on MSE decomposition," IEEE Access, vol. 5, pp. 9223-9234, ISSN 2169-3536, Jun., 2017.

  27. Younghyun Jeon, Changick Song, Sang-rim Lee, Seungjoo Maeng, Jaehoon Jung, and Inkyu Lee, "New beamforming designs for joint spatial division and multiplexing in large-scale multiuser MISO systems," IEEE Transactions on Wireless Communications, vol. 16, no. 8, pp. 3029-3041, ISSN 1536-1276, May, 2017.

  28. Seok-Hwan Park, Changick Song, and Kyoung-Jae Lee, "Inter-cluster design of wireless fronthaul and access links for the downlink of C-RAN," IEEE Wireless Communications Letters, vol. 6, no. 2, pp. 270-273, ISSN 2162-2337, Apr. 2017.

  29. Hoon Lee, Changick Song, Soo-Hwan Choi, and Inkyu Lee, "Outage Probability Analysis and Power Splitter Designs for SWIPT Relaying Systems with Direct Link," IEEE Communications Letters, vol. 21, no. 3, pp. 648-651, ISSN 1089-7798, Mar. 2017.

  30. Seowoo Kang, Han-Bae Kong, Changick Song, Hoon Lee, and Inkyu Lee, "Transmit probability designs for wireless peer discovery with energy harvesting," IEEE Communications Letters, vol. 21, no. 3, pp. 644-647, ISSN 1089-7798, Mar. 2017.

  31. Jihwan Moon, Hoon Lee, Changick Song, and Inkyu Lee, "Secrecy performance optimization for wireless powered communication networks with an energy harvesting jammer," IEEE Transactions on Communications, vol. 65, no. 2, pp. 764-774, ISSN 0090-6778, Feb. 2017. (Most downloaded paper in Nov. 2016)

  32. Jaein Kim, Hoon Lee, Changick Song, Taeseok Oh, and Inkyu Lee, "Sum throughput maximization for multi-user MIMO cognitive wireless powered communication networks," IEEE Transactions on Wireless Communications, vol.16, no.2, pp. 901-913, ISSN 1536-1276, Feb. 2017.

  33. Younghyun Jeon, Seok-Hwan Park, Changick Song, Jihwan Moon, Seungjoo Maeng, and Inkyu Lee, "Joint designs of fronthaul compression and precoding for full-duplex cloud radio access networks,"IEEE Wireless Communications Letters, vol.5, no.6, pp.632-635, ISSN 2162-2337, Dec. 2016.

  34. Changick Song, Jaehyun Park, Bruno Clerckx, Inkyu Lee, and Kyoung-Jae Lee, “Generalized precoder designs  based on weighted MMSE criterion for energy harvesting constrained MIMO and multi-user MIMO channels,” IEEE Transactions on Wireless Communications, vol.15, no.12, pp. 7941-7954, ISSN 1536-1276, Dec. 2016.

  35. Seok-Hwan Park, Kyoung-Jae Lee, Changick Song, and Inkyu Lee, "Joint design of fronthaul and access links for C-RAN with wireless fronthauling," IEEE Signal Processing Letters, vol.23, no.11, pp.1657-1661, ISSN 1070-9908, Nov. 2016.

  36. Changick Song, Haewook Park, Hoon Lee, and Inkyu Lee, “Robust beamforming designs for nonregenerative multipair two-way relaying systems”, IEEE Transactions on Vehicular Technology, vol.65, no.9, pp. 7802-7808, ISSN 0018-9545, Sep. 2016.

  37. Changick Song and Cong Ling, “On the diversity of linear transceivers in MIMO AF relaying systems,” IEEE Transactions on Information Theory, vol. 62, no.1, pp.272-289, ISSN 0018-9448, Jan. 2016.

  38. Han-Bae Kong, Changick Song, Minki Ahn, and Inkyu Lee, “Diversity of Coded Beamforming in MIMO-OFDM AF Relaying Systems with Direct Link,” IEEE Transactions on Vehicular Technology, vol. 64, no. 8, pp. 3817-3822, ISSN 0018-9545, Aug. 2015.

  39. Haewook Park, Changick Song, Hun Lee, and Inkyu Lee, “MMSE based Filter Designs for Cognitive Multi-user Two-way Relay Networks,” IEEE Transactions on Vehicular Technology, vol. 64, no. 4, pp. 1638-1643, ISSN 0018-9545, Apr., 2015. (Samsung Electrics Inside Edge - Bronze Award)

  40. Heejin Kim, Sangrim Lee, Changick Song, Kyoung-Jae Lee and Inkyu Lee, “Optimal Power Allocation Scheme for Energy Efficiency Maximization in Distributed Antenna Systems”, IEEE Transactions on Communications, vol. 63, no. 2, pp. 431-440, Feb., 2015. (Most downloaded paper in Feb.-Mar. 2015)

  41. Minki Ahn, Han-Bae Kong, Taehoon Kim, Changick Song, and Inkyu Lee, “Precoding Techniques for MIMO AF Relaying Systems with Decision Feedback Receiver,” IEEE Transactions on Wireless Communications, vol. 14, no. 1, pp. 446-455, Jan., 2015.

  42. Han-Bae Kong, Changick Song, Haewook Park, and Inkyu Lee, “Shaping Power Constrained Transceiver Designs for MIMO AF Relaying Systems with Direct Link,” IEEE Transactions on Wireless Communications, vol. 14, no. 1, pp. 294-304, Jan., 2015.

  43. Minki Ahn, Changick Song, and Inkyu Lee, “Diversity Analysis of Coded Spatial Multiplexing MIMO AF Relaying Systems”, IEEE Transactions on Vehicular Technology, vol. 63, no. 7, pp. 3435-3439, Sep., 2014.

  44. Han-Bae Kong, Changick Song, Haewook Park, and Inkyu Lee, “A New Beamforming Design for MIMO AF Relaying Systems with Direct Link,” IEEE Transactions on Communications, vol. 62, No. 7, pp. 2286-2295, Jul., 2014. (Samsung Electronics Human Tech - Bronze Award)

  45. Hyun-Joo Choi, Changick Song, Haewook Park, and Inkyu Lee, “Transceiver Designs for Multipoint-to-Multipoint Amplify-and-Forward Relaying Systems”, IEEE Transactions on Wireless Communications, vol. 13, no. 1, pp. 198-209, Jan., 2014.

  46. Hyun-Joo Choi, Kyoung-Jae Lee, Changick Song, and Inkyu Lee, “Weighted Sum Rate Maximization for Multi-user Multi-relay MIMO systems”, IEEE Transactions on Vehicular Technology, vol. 62, no. 2, pp. 885-889, Feb., 2013.

  47. Changick Song, Kyoung-Jae Lee, and Inkyu Lee, “MMSE-based Cooperative MIMO Relay Systems: Closed-form Designs and Outage Behavior”, IEEE Journal on Selected Areas in Communications, vol. 30, no. 8, pp. 1390-1401, Sep., 2012.

  48. Changick Song, Kyoung-Jae Lee, and Inkyu Lee, “Performance Analysis of MMSE Based Amplify and Forward Spatial Multiplexing MIMO Relaying Systems”, IEEE Transactions on Communications, vol. 59, no. 12, pp. 3452-3462, Dec., 2011.

  49. Changick Song and Inkyu Lee, “Diversity Analysis of Coded Beamforming in MIMO-OFDM Amplify-and-Forward Relaying Systems”, IEEE Transactions on Wireless Communications, vol. 10, no. 8, pp. 2445-2450, Aug., 2011.

  50. Changick Song, Kyoung-Jae Lee, and Inkyu Lee, “MMSE based Transceiver Designs in Closed-loop Non-regenerative MIMO Relaying Systems,” IEEE Transactions on Wireless Communications, vol. 9, no. 7, pp. 2310-2319, Jul., 2010.

Domestic Journal Papers 

• 1. 김주혁, 송창익, "양방향 평균화를 이용한 새로운 Mid-ambel기반 V2X 채널추정 기법에 관한 연구" 전기전자학회 논문지, vol.26, no. 2, pp. 287-291, ISSN 1226-7244, Jun. 2022.

  2. 송창익, "정규화된 결합 공간 분할 다중화 기법의 제한된 피드백 환경에서 성능 분석," 전기전자학회 논문지, vol.25, no.3, pp. 420-424, ISSN 1226-7244, Sep. 2021.

  3. 박진수, 한승호, 송창익, "IEEE802.11p 수신 단 채널 추정 기술의 성능 평가를 위한 SDR 테스트베드 기반 필드 테스트 연구," 전자공학회 논문지, vol. 57, no. 4, pp. 123-132, ISSN 2287-5026, Apr. 2020.

  4. 천수경, 백승환, 정창규, 송창익, "다중 송신 안테나 빔포밍 기반 물리계층보안기법의 USRP 테스트베드 구현 및 실 환경 성능 검증 연구," 전자공학회 논문지, vol. 55, no. 12, pp. 1411-1420, ISSN 2287-5026, Dec. 2018.

  5. 백승환, 한승호, 임성묵, 강도욱, 오현서, 송창익, "IEEE 802.11p PER 성능향상을 위한 다중수신안테나 기반의 MRC Packing 채널 추정 기법," 한국정보기술학회 논문지, vol. 16, no. 1, pp. 69-78, Jan. 2018.

  6. 백승환, 한승호, 송창익, "802.11p 기반 차량 간 통신 환경에서 도플러효과 극복을 위한 고성능 채널추정 방법에 관한 연구 동향," 전자공학회 학회지, vol.44, no.7, Jul. 2017.

  7. 임성묵, 송창익, "IEEE 802.11p 기반 차량 간 통신 시스템에서 패킷 에러율 향상을 위한 반복적 채널 추정 기법," 한국정보기술학회 논문지, vol.14, no.12, pp. 79-88, Dec. 2016.

  8. 송창익, 정창규, 엄수빈, "Maximum height selection schemes for rank-3 OSM in closed-loop MIMO systems," ICTPS Journal of platform Technology, Vol. 3, No. 3, pp. 12-21, Sep. 2015.

  9. 이욱봉, 송창익, 이상림, 이길봄, 곽진삼, 이인규, “ZF-THP를 이용한 다중 안테나 다중 사용자 시스템에서 전송률 합 최적화를 위한 전력 할당 알고리즘”, 한국통신학회 논문지, vol. 37A, no. 09, Aug., 2012.

  10. 송창익, 이인규, “Beyond 4G 시스템을 위한 다중안테나 무선 릴레이 시스템의 기술 동향 및 전망”, 한국통신학회 학회지, pp. 36-41, Aug., 2012.

  11. 송창익, 이인규, “Orthogonalized Spatial Multiplexing for Rank-3 Transmission in Closed-loop MIMO Systems”, Telecommunications Review, vol. 21, no. 4, pp. 706-716, Aug., 2011.

International Conference Papers        

• 1. Kang-Hyun Oh, Chang Hyun Kim, Sungmook Lim, and Changick Song, "Poster: A Simple Deep Learning based V2X Channel Estimation Scheme Using Denoising Autoencoder," in Proc. IEEE VNC 2024, May, 2024

  2. Jihwan Moon, Hoon Lee, Changick Song, Seowoo Kang, Minseok Kim, and Inkyu Lee, "Full-duplex spoofing relays for wireless surveillance with inter-relay interference suppression," in Proc. IEEE VTC'20 Spring, May, 2020.

  3. Seungho Han, Jinsu Park, and Changick Song, "Virtual subcarrier aided channel estimation schemes for tracking rapid time variant channels in IEEE 802.11p systems," in Proc. IEEE VTC'20 Spring, May 2020.

  4. Yeonji Oh, Seungho Han, and Changick Song, "Performance enhancement of state feedback decision channel estimation scheme for IEEE802.11p systems," in Proc. IEEE VNC'19, Dec. 2019.

  5. Jinsu Park, Seungho Han, and Changick Song, "Performance evaluation of IEEE802.11p channel estimation schemes in vehicle-to-vehicle environments based on SDR testbed," in Proc. IEEE VNC'19, Dec. 2019.

  6. Seungho Han, Yeonji Oh, and Changick Song, "A deep learning based channel estimation scheme for IEEE 802.11p systems," in Proc. IEEE ICC '19, May, 2019.

  7. Jihwan Moon, Hoon Lee, Changick Song, and Inkyu Lee, "Time allocation methods for secure wireless powered communication networks," in Proc. IEEE VTC'18 Fall, Aug. 2018.

  8. Jihwan Moon, Hoon Lee, Changick Song, and Inkyu Lee, "Multiple Amplify-and-Forward Full-Duplex Relays for Legitimate Eavesdropping," in Proc. IEEE ICC'18, Jul. 2018.

  9. Seok-Hwan Park, Kyoung-Jae Lee, Changick Song, and Inkyu Lee, "Compressed cooperative reception for the uplink of C-RAN with wireless fronthaul," in Proc., ISWCS'17, Aug. 2017

  10. Changick Song, "MMSE transceiver designs for secure wireless transmission in MIMO AF relaying with low probability of interception," to be presented in proc. IEIE ITC-CSCC'17, Jul. 2017

  11. Taeseok Oh, Changick Song, Minki Ahn, Jaehoon Jung, and Inkyu Lee, "A new RF beam training method for multi-user millimeter wave systems," in Proc. IEEE ICC'17, May, 2017

  12. Jaein Kim, Hoon Lee, Changick Song, Taeseok Oh, and Inkyu Lee, "Sum throughput maximization for MIMO underlay cognitive wireless powered communication networks," in Proc. IEEE Globecom '16, Dec. 2016.

  13. Jihwan Moon, Hoon Lee, Changick Song, and Inkyu Lee, "Secrecy outgate minimization for WPCN with an energy harvesting jammer," in Proc. IEEE Globecom '16, Dec. 2016.

  14. Younghyun Jeon, Changick Song, Seungjoo Maeng, and Inkyu Lee, "MMSE based two-stage beamforming for large-scale multi-user MISO systems," in Proc. IEEE PIMRC '16, Sep. 2016.

  15. Changick Song, Haewook Park, Hoon Lee, and Inkyu Lee, "Reduced complexity MMSE beamforming designs for two-way AF relaying systems with multiple antennas," in Proc. IEEE ICC '16, May, 2016.

  16. Changick Song, Cong Ling, Jaehyun Park, and Bruno Clerckx, “MIMO broadcasting for simultaneous wireless information and power transfer: Weighted MMSE approaches,” in Proc. IEEE Globecom’14 Workshops, Dec., 2014.

  17. Han-Bae Kong, Changick Song, Haewook Park, and Inkyu Lee, “Peak power constrained closed-form transceiver designs for MIMO AF relaying systems with direct link,” in Proc. IEEE Globecom’14, Dec., 2014.

  18. Changick Song and Cong Ling, “Achievable diversity-rate tradeoff of MIMO AF relaying systems with MMSE transceivers,” in Proc. IEEE ISIT ’14, Jul., 2014.

  19. Hyun-Joo Choi, Changick Song, Haewook Park, and Inkyu Lee, “Sum MSE minimization for multipoint-to-multipoint MIMO AF relay systems”, in Proc. IEEE Globecom '13, Dec., 2013.

  20. Han-Bae Kong, Changick Song, Haewook Park, and Inkyu Lee, “Adaptive beamforming designs for MIMO AF relaying systems with direct link”, in Proc. IEEE ICC '13, Jun., 2013.

  21. Heejin Kim, Sang-Rim Lee, Changick Song, and Inkyu Lee, “Optimal Power Allocation for Energy Efficiency Maximization in Distributed Antenna Systems”, in Proc. IEEE ICC '13, Jun., 2013.

  22. Taehoon Kim, Changick Song, and Inkyu Lee, “Closed-form designs for source-relay joint precoder in MIMO AF relaying systems with MMSE-DFE receiver”, in Proc. IEEE ICC '13, Jun., 2013.

  23. Hyun-Joo Choi, Changick Song, Haewook Park, and Inkyu Lee, “Pairwise MSE Balancing Transceiver Designs for Multipoint-to-multipoint MIMO AF Relay Systems”, in Proc. IEEE VTC '13 Spring, Jun., 2013.

  24. Hyun-Joo Choi, Kyoung-Jae Lee, Changick Song, and Inkyu Lee, “Weighted Sum Rate Maximization for Multi-user Multi-relay MIMO Systems with Direct Links”, in Proc. IEEE VTC '13 Spring, Jun., 2013.

  25. Youngil Jeon, Young-Tae Kim, Changick Song, and Inkyu Lee, “Diversity Analysis of Minimum Distance Based Relay Selection Schemes for Two-way Relaying Systems with Physical Network Coding”, in Proc. IEEE VTC ’12 fall, Sep., 2012.

  26. Changick Song, Kyoung-Jae Lee, and Inkyu Lee, “Diversity-Multiplexing Tradeoff Analysis for MMSE-based Cooperative MIMO Relaying systems”, in Proc. IEEE ICC ’12, Jun., 2012.

  27. Wookbong Lee, Changick Song, Sangrim Lee, Kilbom Lee, Jin Sam Kwak, and Inkyu Lee, “Power Allocation Algorithm for ZF-THP Sum Rate Optimization in Multi-user Multi-antenna Systems”, in Proc. IEEE VTC ’12 spring, May, 2012.

  28. Changick Song, Kyoung-Jae Lee, and Inkyu Lee, “Closed-form Linear Transceiver Designs for MIMO AF Relaying Systems with Direct link”, in Proc. IEEE GLOBECOM ’11, Dec. 2011.

  29. Changick Song and Inkyu Lee, “Maximum Achievable Diversity of Coded MIMO-OFDM Amplify-and-Forward Relaying Systems”, in Proc. IEEE 44th Asilomar Conference, Nov., 2010. (Invited Paper)

  30. Changick Song, Kyoung-Jae Lee, and Inkyu Lee “Performance analysis of amplify-and-forward spatial multiplexing MIMO relaying systems”, in Proc. IEEE ICC '10, May, 2010.

  31. Changick Song, Kyoung-Jae Lee, and Inkyu Lee, “Joint MMSE Transceiver Design for Closed-loop Non-regenerative MIMO Relaying Systems”, in Proc. IEEE GLOBECOM '09, Nov., 2009.

Domestic Conference Papers        

• 1. 김창현, 송창익, "Mid-amble을 이용한 딥러닝 기반 양방향 평균화 V2X 채널추정 기법에 관한 연구," 한국통신학회 동계종합학술대회, Jan. 2024

  2. 김창현, 송창익, "Mid-amble 기반 양방향 평균화 기법과 인공신경망을 결합한 V2X 채널추정 기법에 관한 연구," 한국통신학회 추계종합학술대회, Nov. 2023

  3. 오강현, 송창익, "메타러닝 기반 V2X 채널추정에 관한 연구," 한국통신학회 하계종합학술대회, Jun. 2023

  4. 오강현, 송창익, "잡음제거 오토인코더 기반 V2X채널추정기법에 관한 연구,"한국통신학회 동계종합학술대회, Jan. 2023

  5. 김주혁, 송창익, "가상 부반송파와 인공신경망을 이용한 V2X 채널추정 알고리즘의 성능 개선 연구," 한국통신학회 하계학술대회, Jun. 2022

  6. 김주혁, 송창익, "Mid-amble을 이용한 양방향 평균화 V2X 채널추정 기법," 대한전자공학회 동계종합학술대회, Feb. 2022

  7. 김성환, 김주혁, 송창익, "인공신경망 기반 V2X 채널추정기법의 최적 레이어 수 분석에 관한 연구," 대한전자공학회 하계학술대회, Jun. 2021

  8. 김주혁, 김성환, 송창익, "가상 부반송파와 인공신경망을 이용한 향상된 V2X 채널추정기법," 대한전자공학회 하계학술대회, Jun. 2021

  9. 조한신, 이상현, 백승환, 송창익, 이경재, "보안 무선 통신을 위한 물리계층 비밀키 생성," 통신정보 합동학술대회, Apr. 2021.

  10. 송창익, "TDD 기반 다중안테나 도청채널에서 인공페이딩 전송방식의 보안전송률 분석," 통신정보 합동학술대회, Apr. 2021.

  11. 김성환, 박진수, 송창익 "오토인코더 기반 V2X 채널추정 기술의 인공신경망 하이퍼 파라미터 최적화에 관한 연구," 한국통신학회 동계종합학술대회, Feb. 2021. 

  12. 박진수, 송창익, "IEEE 802.11p 시스템에서 가상 부반송파를 활용한 채널 추정 기술의 성능 평가를 위한 필드 테스트에 관한 연구," 한국통신학회 하계종합학술회, Aug. 2020.

  13. 한승호, 박진수, 송창익, "USRP를 이용한 채널 추정 방법 구현 및 실 환경 성능 분석," 한국통신학회 하계종합학술대회, Jun. 2019.

  14. 오연지, 송창익, "IEEE 802.11p 시스템에서 SFD와 WSUM 기법을 결합한 새로운 채널 추정 알고리즘에 관한 연구," 한국통신학회 하계종합학술대회, Jun., 2019.

  15. Prince Anokye, Roger K. Ahiadormey, 송창익, 이경재, "Heterogeneous networks with low-resolution ADC quantized full-duplex massive MIMO-enabled backhaul," 통신정보합동학술대회 (JCCI), May, 2019.

  16. 한승호, 송창익, "오토인코더 를 이용한 WAVE 채널추정 기술," 한국통신학회 동계종합학술대회, Jan., 2019.

  17. 박진수, 한승호, 송창익, "주파수 선택적 OFDM 채널환경에서 지도학습 기반 채널 추정 알고리즘 성능 분석," 한국통신학회 동계종합학술대회, Jan., 2019.

  18. 한승호, 송창익, "심층신경망을 이용한 V2X채널 추정 알고리즘에 관한 연구," 한국통신학회 하계종합학술대회, Jun. 2018.

  19. 박진수, 한승호, 송창익, "LabVIEW communications을 이용한 OFDM 채널 다이버시티 이득에 관한 연구," 한국통신학회 하계종합학술대회, Jun. 2018.

  20. 천수경, 송창익, "다중안테나를 이용한 물리계층보안 인공잡음 전송기법 테스트베드 구현," 한국통신학회 하계종합학술대회, Jun. 2018.

  21. 송창익, "인공잡음 기반 Massive MIMO 보안용량분석에 관한 연구," 한국통신학회 하계종합학술대회, Jun. 2018.

  22. 천수경, 송창익, "Labview Communications와 USRP를 이용한 IEEE 802.11a Testbed 구현," 한국통신학회 동계종합학술대회, Jan., 2018.

  23. 장현웅, 백승환, 송창익, "SVD 빔포밍 기반의 물리계층보안을 위한 USRP테스트베드 구현," 한국통신학회 동계종합학술대회, Jan., 2018.

  24. 한승호, 송창익, "IEEE 802.11p에서 PER성능 향상을 위한 채널 임펄스 응답 기반 채널 추정 기법," 한국통신학회 동계종합학술대회, Jan., 2018.

  25. 백승환, 송창익, "IEEE 802.11p WAVE 성능 향상을 위한 Dual-ICI Cancellation 기법을 적용한 채널 추정 기법," 한국통신학회 하계종합학술대회, Jun., 2017.

  26. 한승호, 송창익, "802.11p WAVE 환경에서 MRC 기법을 적용한 채널 추정 기술 연구," 한국통신학회 하계종합학술대회, Jun., 2017.

  27. 강서우, 공한배, 송창익, 이훈, 이인규, "RF 무선 에너지 수확 기술을 결합한 무선 이웃 노드 탐색 시스템 성능 분석," 한국통신학회 동계종합학술대회, Jan., 2017

  28. 백승환, 송창익 "IEEE 802.11p WAVE 성능 향상을 위한 반복적 채널 추정 기법 성능분석," 한국통신학회 동계종합학술대회, Jan., 2017

  29. 한승호, 송창익, "802.11p WAVE 환경에서 다이버시티 이득 분석에 관한 연구," 한국통신학회 동계종합학술대회, Jan., 2017

  30. 전영현, 박석환, 송창익, 문지환, 맹승주, 이인규, "전이중 방식 클라우드 무선접속망에서의 프론트홀 설계 및 자기 간섭 억제," 한국통신학회 동계종합학술대회, Jan., 2017

  31. 송창익, "다중 안테나 다중 사용자 무선 채널 환경에서 정보 및 에너지 동시 전송을 위한 새로운 정규화된 블록 대각화 빔 형성 기법," 한국통신학회 추계종합학술대회, Nov. 2016.

  32. 김재인, 이훈, 송창익, 오태석, 이인규, "Sum Rate Optimization Method for MIMO COgnitive Wireless Powered Communication Networks," 한국통신학회 하계종합학술대회, Jun. 2016

  33. 송창익, "MMSE 기반의 송/수신기를 갖는 다중안테나 AF 릴레이 시스템의 다이버시티-전송률 상관관계 분석," 한국통신학회 하계종합학술대회, Jun. 2016

  34. 송창익, "정보/에너지 동시 전송을 위한 WMMSE 기반의 저 복잡도 송/수신기 설계," 한국통신학회 동계종합학술대회, Jan., 2016

Patents

• 1. Juhyeok Kim, Changick Song, "Method and apparatus for estimating V2X communication channel," filed for US patent, 18/236,920, Aug. 2023 (미국출원)

  2. 김주혁, 송창익, "V2X 통신 채널 추정 방법," filed for Korea patent, 10-2022-0105599, Aug. 2022 (국내출원)

  3. Zeung Il Kim, Young Cheol Koh,  Jae Hun Jeong, Changick Song, and Seungho Han, "Apparatus for compensating channel based on ANN and method thereof," filed for China patent, 201911067854.0, Nov. 2019 (중국출원)

  4. 김증일, 고영철, 정재훈, 한승호, 송창익 "인공신경망 기반의 채널 보상 장치 및 그 방법," filed for Korea patent, 10-2019-0071791, Jun., 2019 (국내출원)

  5. Zeung Il Kim, Young Cheol Koh,  Jae Hun Jeong, Changick Song, and Seungho Han, "Apparatus and method for compensating channel based on artificial neural network," US patent, 11-627443, Apr., 2023 (미국등록)

  6. 오연지, 한승호, 송창익, "채널주파수 가중합을 이용한 적응적 채널 추정 장치," Korea Patent, 10-2443669, Sep.2022(국내등록)

  7. 조한신, 이경재, 송창익, "보안 무선 통신을 위한 비밀키 생성 시스템 및 방법," Korea Patent, 10-2333796, Nov. 2021 (국내등록) - 산업체 기술이전

  8. 한승호, 송창익, "시변 채널 추정을 위한 채널추정장치 및 방법," Korea patent, 10-2231906, Mar. 2021 (국내등록)

  9. Seunghwan Baek, Changick Song, "Method and apparatus for state feedback decoder based channel estimation," US patent, 10785062, Sep., 2020 (미국등록)

  10. 백승환, 송창익, "다중수신안테나를 이용한 부반송파 패킹기반의 채널추정장치 및 그 방법," Korea patent, 10-2019-0008992 / 10-2168896, Oct., 2020 (국내등록)

  11. 한승호, 송창익, "V2X 통신을 위한 채널 추정 방법," Korea patent, 10-2018-0166138 / 10-2136935, Jul. 2020 (국내등록)

  12. 백승환, 송창익, "상태 회귀 디코더 기반 채널 추정 방법 및 장치," Korea patent, 10-2018-0003311 / 10-2002720, Jul. 2019 (국내등록)

  13. 송창익, 이경재, 조한신, "보안 전송을 위한 다중안테나 증폭 및 재전송 릴레이 저 피탐지율 전송 방법 및 장치," Korea patent, 10-1885966, Jul. 2018 (국내등록) - 산업체 기술이전

  14. 이경재, 박석환, 송창익, "전이중 방식 무선 프론트홀을 가지는 C-RAN 전송방법," Korea patent, 10-1803030, Dec. 2017 (국내등록)

  15. 이경재, 박석환, 송창익, "Massive MIMO를 이용한 전이중 무선 백홀 시스템," Korea Patent 10-1790498, Oct. 2017 (국내등록)

  16. Illsoo Sohn, Changick Song, Han-Bae Kong, Haewook Park, Yongho Seok, and Inkyu Lee, “Method and device for processing uplink signal in WLAN system,” US Patent, 9729367, Aug. 2017 (미국등록)

  17. Inkyu Lee, Haewook Park, and Changick Song, “Two-way relay apparatus and method thereof,” US Patent, 9660714, May, 2017 (미국등록)

  18. Illsoo Sohn, Changick Song, Han-Bae Kong, Haewook Park, and Inkyu Lee, “Method and Apparatus for Transmitting a Frame in a Wireless LAN System,” US patent, 9306785, Apr. 2016 (미국등록)

  19. 송창익, 서한별, 이경재, 이인규, “신호 증폭 및 재전송 방법,” Korea patent, #10-1582880, Dec. 2015 (국내등록)

  20. Kyoung-Jae Lee, Changick Song, Han-Byul Seo, Youngtae Kim, and Inkyu Lee, “Relay and Data Relay Method,” US Patent, 8750349, Jun. 2014 (미국등록)

  21. 송창익, 이인규, “중계노드의 신호처리 방법 및 장치,” Korea Patent, #10-1382068, Mar. 2014 (국내등록) - 산업체 기술이전