현재 수행 프로젝트

멀티 에이전트 심층강화학습을 이용한 무인이동체 무선전송 및 자원할당 통합 최적화 연구

(Multi-agent reinforcement learning aided joint optimization of wireless transmission and resource allocation for unmanned vehicles)

• 사사 문구(Ack)

  • 이 성과는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임(No. 2022R1A2C2007089). 

  • This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2022R1A2C2007089). 

• 관련 연구

  • [J52]  Bridget Durowaa Antwi-Boasiako, Roger Kwao Ahiadormey, Prince Anokye, and Kyoung-Jae Lee, "On the performance of massive MIMO full-duplex relaying with low-resolution ADCs", IEEE Communications Letters (CL), vol. 26, no. 6, pp. 1259-1263, June 2022

  • [JS2]  Bridget Durowaa Antwi-Boasiako, Prince Anokye, Derek Kwaku Pobi Asiedu, Roger Kwao Ahiadormey, Kyoung-Jae Lee, and Andreas F. Molisch, "Multi-stream transmission in massive MIMO systems with full-duplex bi-directional communication links", submitted to IEEE Transactions on Vehicular Technology, Sept. 2022

  • [JS1]  Prince Anokye, Derek Kwaku Pobi Asiedu, and Kyoung-Jae Lee, "Power optimization of cell-free massive MIMO with full-duplex and low-resolution ADCs," submitted to IEEE Transactions on Wireless Communications, Apr. 2022; under major revision

  • [PS31]  Bridget Durowaa Antwi-Boasiako and Kyoung-Jae Lee, "Multi stream transmission method in massive MIMO system", applied to Korea Patent, 10-2022-0173822, Dec. 13, 2022

전송률분할 다중접속 기반 셀자유 초거대 다중입출력 전이중 전송시스템 연구개발

(Rate-splitting multiple access based cell-free extremely massive MIMO full-duplex transmission systems)

• 사사 문구(Ack)

  • 이 논문은 2022년도 정부(과학기술정보통신부)의 재원으로 정보통신기획평가원의 지원을 받아 수행된 연구임 (No.2021-0-00841, 과제명) 

  • This work was supported by the Institute of Information & Communications Technology Planning & Evaluation (IITP) grant through Korea Government (MSIT) under Grant 2021-0-00841 (Project Title).

• 관련 연구

  • 국제특허 출원 01011-00건/등록 00001-00건, 국내특허 출원 11111-10건/등록 00011-00건; SCI 00-11편; 성과홍보 1-0건; SW 10101-00건

  • [J53]  Changick Song and Kyoung-Jae Lee, "Regularized artificial fast fading designs for secure transmission in multi-user MIMO wiretap channels" accepted for publication in ICT Express (ICTE), Jan. 2022

  • [J50]  Prince Anokye, Roger Kwao Ahiadormey, and Kyoung-Jae Lee, "Full-duplex cell-free massive MIMO with low-resolution ADCs", IEEE Transactions on Vehicular Technology (TVT), vol. 70, pp. 12179-12184, Nov. 2021

  • [JS1]  Prince Anokye, Derek Kwaku Pobi Asiedu, and Kyoung-Jae Lee, "Power optimization of cell-free massive MIMO with full-duplex and low-resolution ADCs," submitted to IEEE Transactions on Wireless Communications, Apr. 2022; under major revision

  • [PS36]  Theodore Woode and Kyoung-Jae Lee, "Massive multiple-input multiple-output wireless transmission system for unmanned vehicle", applied to Korea Patent, 10-2023-0023828, Feb. 22, 2023

  • [PS35]  Prince Anokye and Kyoung-Jae Lee, "Power allocation method and device for user-centric cell-free massive multiple-input multiple-output communications", applied to Korea Patent, 10-2023-0018239, Feb. 10, 2023

  • [PS27]  Prince Anokye and Kyoung-Jae Lee, "Resolution optimization method of cell-free massive MIMO and system using same", applied to Korea Patent, 10-2021-0176886, Dec. 10, 2021

다중 통신기술 네트워크 로드밸런싱 기술개발

(Development of network load balancing techniques based on multiple communication/computing/storage resources)

• 사사 문구(Ack)

  • 이 논문은 2022년도 정부(과학기술정보통신부)의 재원으로 정보통신기획평가원의 지원을 받아 수행된 연구임 (No. 2022-0-01053, 과제명)

  • This work was supported by Institute of Information & communications Technology Planning & Evaluation (IITP) grant funded by the Korea government(MSIT) under Grant 2022-0-01053 (Project Title)

• 관련 연구

  • (1차년도) 국내특허 출원 2-2건; SCI 1-1편, 학회 2-2편; SW 1-0건; 기술문서 1-0건

  • [JS2]  Bridget Durowaa Antwi-Boasiako, Prince Anokye, Derek Kwaku Pobi Asiedu, Roger Kwao Ahiadormey, Kyoung-Jae Lee, and Andreas F. Molisch, "Multi-stream transmission in massive MIMO systems with full-duplex bi-directional communication links", submitted to IEEE Transactions on Vehicular Technology, Sept. 2022

  • [PS31]  Bridget Durowaa Antwi-Boasiako and Kyoung-Jae Lee, "Multi stream transmission method in massive MIMO system", applied to Korea Patent, 10-2022-0173822, Dec. 13, 2022

  • (2차년도) 국외특허 출원 1건, 국내특허 출원 1건/등록 1건; SCI 1편, 비SCI 1편, 학회 2편; SW 1건; 기술문서 1건

  • (3차년도) 국외특허 출원 1건, 국내특허 출원 1건/등록 1건; SCI 1편, 비SCI 3편; SW 1건; 기술문서 1건

스마트그리드 및 IoT 서비스 환경 구축을 위한 딥러닝 기반 전력선/무선 하이브리드 통신 네트워크 최적화

(Deep learning-based hybrid power line and wireless communications for smart grid and IoT environment)

우주계층 지능통신망 특화연구실

(Space-Layer Intelligent Communication Network Research Laboratory)

• 사사 문구(Ack)

  • 이 논문은 2022년도 정부(방위사업청)의 재원으로 국방기술진흥연구소의 지원을 받아 수행된 연구임 (No. 21-106-A00-007, 우주계층 지능통신망 특화연구실).

  •  This work was supported by Korea Research Institute for defense Technology planning and advancement (KRIT) grant funded by the Korea government (DAPA(Defense Acquisition Program Administration)) (No. 21-106-A00-007, Space-Layer Intelligent Communication Network Laboratory, 2022).

• 관련 연구

  • (1단계) SCI 3편; 국내외논문 5편; 특허출원 1건; 프로그램등록 1건

  • (2단계) SCI 5편; 국내외논문 5편; 특허출원 2건; 프로그램등록 1건

완료 프로젝트

IoT 무선전력전송 인지무선통신을 위한 사용자 중심 분산 Massive MIMO 시스템 연구

(IoT wireless powered cognitive radio communications with user-centric distributed massive MIMO systems)

• 사사 문구(Ack)

  • 이 논문은 정부(과학기술정보통신부)의 재원으로 정보통신기획평가원의 지원을 받아 수행된 연구임 (No.2018-0-00812, 과제명) 

  • This work was supported by the Institute of Information & Communications Technology Planning & Evaluation (IITP) grant through Korea Government (MSIT) under Grant 2018-0-00812 (Project Title).

• 관련 연구

  • 국제특허 출원 2-2건/ 등록 1-0건, 국내특허 출원 5-3건/ 등록 2-2건; SCI 2-5편, 비SCI 2-3편;기술료 5-5백만원; 표준안 0-1건; 시제품 1-0건; SW 3-1건

  • [J49]  Kwadwo Boateng Ofori-Amanfo, Derek Kwaku Pobi Asiedu, Roger Kwao Ahiadormey, and Kyoung-Jae Lee, "Multi-hop MIMO relaying based on simultaneous wireless information and power transfer," IEEE Access (Acc), vol. 9, pp. 144857-144870, Oct. 2021

  • [J48]  Roger Kwao Ahiadormey, Prince Anokye, Han-Shin Jo, Changick Song, Kyoung-Jae Lee, "Secrecy outage analysis in NOMA power line communications", IEEE Communications Letters (CL), vol. 25, pp. 1448-1452, May 2021

  • [J47]  Sumaila Mahama, Derek Kwaku Pobi Asiedu, Yahya J. Harbi, Kyoung-Jae Lee, David Grace, and Alister G. Burr, "Multi-user wireless information and power transfer in FBMC-based IoT networks", IEEE Open Journal of the Communications Society (OJCOMS), vol. 2, pp. 545-563, Mar. 2021

  • [J45]  Roger Kwao Ahiadormey, Prince Anokye, Seok-Hwan Park, and Kyoung-Jae Lee, "Two-way relaying non-orthogonal multiple access with imperfect successive interference cancellation in power line communications", IEEE Open Journal of the Communications Society (OJCOMS), vol. 1, pp. 1872-1885, Dec. 2020

  • [J44]  Derek Kwaku Pobi Asiedu, Sumaila Mahama, Changick Song, Dongwan Kim, and Kyoung-Jae Lee, "Beamforming and resource allocation for multiuser full-duplex wireless powered communications in IoT networks", IEEE Internet of Things Journal (IoTJ), vol. 7, no. 12, pp. 11355-11370, Dec. 2020 [arXiv]

  • [J42]  Derek Kwaku Pobi Asiedu, Hoon Lee, and Kyoung-Jae Lee, "Simultaneous wireless information and power transfer for decode-and-forward multihop relay systems in energy-constrained IoT networks", IEEE Internet of Things Journal (IoTJ), vol. 6, no. 6, pp. 9413-9426, Dec. 2019 [arXiv]

  • [J40]  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 (SJ), vol. 13, no. 3, pp. 2332-2343, Sept. 2019 [arXiv]

  • [J37]  Derek Kwaku Pobi Asiedu, Suho Shin, Koudjo M. Koumadi, and Kyoung-Jae Lee, "Review of simultaneous wireless information and power transfer in wireless sensor networks", Journal of Information and Communication Convergence Engineering (JICCE), vol. 17, no. 2, pp. 105-116, June 2019

  • [C39]  Derek Kwaku Pobi Asiedu, Hoon Lee, and Kyoung-Jae Lee, "Transmit power minimization for a multi-hop SWIPT decode-and-forward sensor network", in Proc. IEEE Vehicular Technology Conference (VTC) '19 Fall, Honolulu, Hawaii, USA, Sept. 2019

  • [P24]  Kyoung-Jae Lee and Roger Kwao Ahiadormey, "Apparatus and method for user centric multiple access communication system", Korea Patent, 10-2339401, Dec. 9, 2021 (10-2020-0141726, Oct. 29, 2020)

  • [P21]  Kyoung-Jae Lee, Derek Kwaku Pobi Asiedu, "Multi-hop relay wireless communication system and method", Korea Patent, 10-220990, Jan. 2021 (10-2018-0145230, Nov. 2018; 10-2019-0151201, Nov. 2019)

  • [PS29]  Kwadwo Boateng Ofori-Amanfo and Kyoung-Jae Lee, "Multi-hop relay wireless communication system and mothod for minimizing source transmission power", applied to PCT, KR2021/019294, Dec. 17, 2021

  • [PS28]  Kwadwo Boateng Ofori-Amanfo and Kyoung-Jae Lee, "Multi-hop relay wireless communication system and mothod for minimizing source transmission power", applied to Korea Patent, 10-2021-0176887, Dec. 10, 2021

  • [PS24]  Kyoung-Jae Lee and Roger Kwao Ahiadormey, "Apparatus and method for user centric multiple access communication system", applied to PCT, KR2020/015046, Oct. 30, 2020