PUBLICATION

INTERNATIONAL JOURNALS

34. Junghun Byun, Yong-Ho Cho, Taeho Im, Hak-Lim Ko, Kyungseop Shin, *Ohyun Jo, "Iterative Learning for Reliable Link Adaptation in the Internet of Underwater Things", IEEE Access, vol. 9, pp. 30408 - 30416, Feb. 2021

33. Jiyoon Han, *Ohyun Jo, *Juyeop Kim, "Exploitation of Channel-Learning for Enhancing 5G Blind Beam Index Detection", IEEE Access, Revised and resubmitted, 2021. 

32. Seokhyeon Park, *Ohyun Jo, Intelligent Handover Prediction based on Locational Priority with Zero Scanning for the Internet of Underwater Things", IEEE Access, vol. 8, pp. 186291 - 186303, Oct. 2020

31. Celestine Iwendi, Ali Kashif Bashir, Atharva Peshkar, R. Sujatha, Jyotir Moy Chatterjee, Swetha Pasupuleti, Rishita Mishra, Sofia Pillai, and *Ohyun Jo, COVID-19 Patient Health Prediction Using Boosted Random Forest Algorithm, Frontiers in Public Health, vol. 8, 357, Jul. 2020

30. Ohyun Jo and Wonbin Hong,  “Achieving 360 Degree Coverage Dynamic and Switchable Beamforming through Resource-Efficient Switchable Antennas for Future mmWave IoT Devices”, IEEE Transactions on Industrial Electronics, Finally accepted at the end of 5th round revision for 2 years!!!, 2020. (Top 1% rank, IF:7.515 (1st of 66), Eigenfactor: 0.1056 (1st of 266))

29. *Ohyun Jo et al., "Artificial Intelligence Enabled Road Vehicle-Train Collision Risk Assessment Framework for Unmanned Railway Level Crossings", IEEE Access, vol. 8, pp. 113790 - 113806, Jun. 2020

28. *Ohyun Jo et al., "Blended Multi-modal Deep ConvNet Features for Diabetic Retinopathy Severity Prediction", Electronics, vol. 9, issue 6, 914, May. 2020

27. Kyungseop Shin,  *Ohyun Jo, "Joint Scheduling and Power Allocation using Non-Orthogonal Multiple Access in Multi-cell Beamforming Networks", Electronics, vol. 9, issue 6, 896, May. 2020

26. Celestine Iwendi, Zunera Jalil, Abdul Rehman Javed, Thippa Reddy G, Rajesh Kaluri, Gautam Srivastava, *Ohyun Jo, "KeySplitWatermark: Zero Watermarking Algorithm for Software Protection against Cyber-Attacks", IEEE Access, vol. 8, pp. 72650 - 72660, Apr. 2020

25. Joseph Henry Anajemba, Yue Tang, Celestine Iwendi, Akpesiri Ohwoekevwo, Gautam Srivastava, *Ohyun Jo, "Reliable Algorithm for Realizing Efficient Security and Privacy in IoT Networks", Sensors, vol. 20, issue 9, 2609, May. 2020

24. Harshita Patel, Dharmendra Singh Rajput, G Thippa Reddy, Celestine Iwendi, Ali Kashif Bashir, *Ohyun Jo, "A Review on Classification of Imbalanced Data for Wireless Sensor Networks", International Journal of Distributed Sensor Networks, vol. 16, no. 4, pp. 1~15, Apr. 2020. 

23. Kyungseop Shin, Gyung-Ho Hwang, *Ohyun Jo, "Distributed Reinforcement Learning Scheme for Environmentally Adaptive IoT Network Selection", IET Electronics Letters, vol. 56, no. 9. pp. 462~464, Apr. 2020. 

22. Taegyeom Lee, Ohyun Jo, Kyungseop Shin, "CoRL: Collaborative Reinforcement Learning based MAC protocol for IoT Networks", Electronics, vol. 9, no. 1, pp. 1~12, Jan. 2020. 

21. Woongsup Lee, Ohyun Jo, and Minhoe Kim, "Intelligent Resource Allocation in Wireless Communications Systems", IEEE Communications Magazine, vol. 58, no. 1, pp. 100~105, Jan. 2020. (IF:10.356, Top 1% rank) 

20. Woongsup Lee, Tae-Won Ban, Younghwa Ham, *Ohyun Jo, "Analysis of Growth Performance in Swine based on Machine Learning", IEEE Access, vol. 7, pp. 161716-161724, Nov. 2019.

​19. Changbae Yoon,  Dong-Ho Cho, and *Ohyun Jo, “MSE-based Downlink and Uplink Joint Beamforming in Dynamic TDD System based on Cloud-RAN”, IEEE System journal, vol. 13, no. 3, pp. 2228~2239, 2019.

18. Minhoe Kim, Woongsup Lee, Jungmin Yoon, and *Ohyun Jo, “Towards the Realization of Encoder and Decoder using Deep Neural Networks”, IEEE Communications Magazine, vol. 57, no. 5, pp. 57~63, 2019.  (IF:10.356, Top 1% rank)

17. Ohyun Jo, Juyeop Kim, Kyung-Seop Shin and Gyung-Ho Hwang, "Exploiting Self-Reserving Spectrum to Reduce Service Dropping Probability in Cognitive Radio Systems", IEICE Transaction on Fundamentals of Electronics, Communications, and Computer Sciences, vol. E102-A, no. 4, pp. 697~701, 2019.

 

16. Juyeop Kim, Ohyun Jo, Sang Won Choi, "State-Based Uplink-Scheduling Scheme for Reducing Control Plane Latency of MCPTT Services ", IEEE System Journal, vol. 13, no. 3, pp. 2547~2550, 2018.

15. Juyeop Kim, Ohyun Jo, Sang Won Choi, "Feasibility of Index-Coded Retransmissions for Enhancing Sidelink Channel Efficiency of V2X Communications ", IEEE Access, vol. 7, pp. 6545~6552, 2018.

 

14. Ohyun Jo, Yong-Gyu Kim, and *Juyeop kim, "Internet of Things for Smart Railway: Feasibility and Applications", IEEE Internet of Things Journal, vol.5, no. 2, pp.482~490, 2017. (IF: 9.515, Top 2% rank)

 

13. Sung-Yeop Pyun, Woongsup Lee, and *Ohyun Jo, "Uplink Resource Allocation for Interference Mitigation in Two-Tier Femtocell Networks", Mobile Information Systems, vol. 2018, pp.1-6, 2018.

 

12. Kisong Lee, Changbae Yoon, Ohyun Jo, Woongsup Lee, "Joint Optimization of Spectrum Sensing and Transmit Power in Energy Harvesting-Based Cognitive Radio Networks ", IEEE Access, vol.6, pp. 30653-30662, 2018.

 

11. Jungmin Yoon, Ohyun Jo, Ji-Won Choi, Seongwook Lee, Jeongsik Choi, Seong-Cheol Kim, "SNR analysis and estimation for efficient phase noise mitigation in millimetre-wave SC-FDE systems", IET Communications, vol. 12, no.18, pp.2347-2356, 2018.

 

10.  Ohyun Jo, Jung-Ju Kim, Jungmin Yoon, Dooseok Choi, and *Wonbin Hong, "Exploitation of Dual-polarization Diversity for 5G Millimeter-Wave MIMO Beamforming Systems", IEEE Transaction on Antennas and Propagation, vol.65, no.12, pp.6646-6655, 2017.

 

9. Kyung-seop Shin, *Ohyun Jo, "Joint Scheduling and Power Allocation Using Non-orthogonal Multiple Access in Directional Beam-based WLAN Systems", IEEE Wireless Communications Letters, vol.6, no.4, pp.482-485, 2017.

 

8. Ohyun Jo, Jungmin Yoon, "Spatial Reuse Algorithm Using Interference Graph in Millimeter Wave Beamforming Systems", ETRI Journal, vol.39, no.2, pp.255-263, 2017.

 

7. Ohyun Jo, *Gyung-Ho Hwang, and Dong-Ho Cho, "Intergroup Joint Scheduling for Mitigating Asymmetric Uplink Interference in Self-Organizing Virtual Cell Networks", Mobile Information Systems, vol. 2016, pp.1-10, 2016.

 

6. Ohyun Jo, SangHyun Chang, ChangYeual Kweon, Jisung Oh, and Kyungwhoon Cheun, "60 GHz Wireless Communication for Future Wi-Fi", ICT Express, vol.1, no. 1, 2015.

5. Woochan Kim, *Ohyun Jo, "Cost-optimized configuration of computing instances for large sized cloud systems", ICT Express, vol.3, 2015.

4. Ohyun Jo, Wonbin Hong, Sung Tae Choi, SangHyun Chang, ChangYeual Kweon, Jisung Oh, and Kyungwhoon Cheun, "Holistic Design Consideration for Realization of Environmentally Adaptive 60 GHz Beamforming Technology", IEEE Communications Magazine, vol.52, no.11, pp.30-38, 2014. (IF: 10. 435, Top 1% rank)

 

3. Ki-Song Lee, Ohyun Jo, Dong-Ho Cho, “Cooperative Resource Allocation for Improving Intercell Fairness in Femtocell Systems”, IEEE Communications Letters (SCI), vol. 15, issue 2. 2011.2

 

2. Ohyun Jo, Dong-Ho Cho, “Seamless Spectrum Handover Considering Differential Path-loss in Cognitive Radio Systems”, IEEE Communications Letters (SCI), vol. 13, issue 3. 2009.3

 

1. Ohyun Jo, Jong-Wuk Son, Dong-Ho Cho, “ An Enhanced Packet Scheduling Algorithm Combined with HARQ for HSDPA System”, IEEE Communications Letters (SCI), vol 12,  issue 4. 2008.4

DOMESTIC JOURNALS

10. Sangjun Park, Wonwoo Lee, Yongchul Kim, Junseob Kim, Ohyun Jo,"A Study on the Operation of Multi-Beam Antenna for Airborne Relay UAV considering the Characteristics of Aircraft", Journal of Convergence for Information Technology, Accepted, 2021

9. JungHun Byun, Sangjun Park, Joonhyeok Yoon, Yongchul Kim, Wonwoo Lee, *Ohyun Jo, Taehwan Joo, "Learning-Backoff based Wireless Channel Access for Tactical Airborne Networks", Journal of Convergence for Information Technology, Accepted, 2021.

8. Seok-Hyeon Park, Kyungseop Shin, *Ohyun Jo, "AQ-NAV: Reinforced Learning Based Channel Access Method Using Distance Estimation in Underwater Communication", Journal of Convergence for Information Technology, vol. 10, issue 7, pp. 33-40, Jul. 2020

7. Jungmin Yoon, *Ohyun Jo, "Design and Implementation of 60 GHz Wi-Fi for Multi-gigabit Wireless Communications", Journal of The Korea Convergence Society, vol. 11, issue 6, pp. 43-49, Jun. 2020

6. *Ohyun Jo, "Hierarchical Dynamic Spectrum Management for Providing Network-wise Fairness in 5G Cloud RAN" , Journal of Convergence for Information Technology, vol. 10, issue 7, pp. 1-6, Jul. 2020

5. JungHun Byun, Jin Hoon Park,  *Ohyun Jo, "Deep Learning based BER Prediction Model in Underwater IoT Networks" , Journal of Convergence for Information Technology, vol. 10, issue 6, pp. 41-48, Jun. 2020

4. Dong-Geon Kim, Seok-Hyeon Park, *Ohyun Jo, "Analyze past user history through deleted $UsnJrnl file", Journal of Convergence for Information Technology, vol. 10, issue 5, pp. 23-29, May. 2020

3. JungHun Byun, *Ohyun Jo, "Machine Learning-based MCS Prediction Models for Link Adaptation in Underwater Networks", Journal of Convergence for Information Technology, vol. 10, issue 5, pp. 1-7, May. 2020

2. Seok-Hyeon Park, *Ohyun Jo, "Q-NAV: NAV Optimization Scheme based on Reinforcement Learning in Underwater Wireless Networks", Journal of Convergence for Information Technology, vol. 10, issue 6, pp. 1-7, Jun. 2020

​1. Min-Seo Kwon, U-ju Gim, Jae-Jun Lee, *Ohyun Jo, “IoT-based Water Tank Management System for Real-time Monitoring and Controling”, Journal of Convergence for Information Technology, vol. 8, issue 6, pp.217-223, Dec. 2018

INTERNATIONAL CONFERENCE PAPERS

8. Seok hyeon Park, Junghun Byun, Kyung-Seop Shin and *Ohyun Jo, "Ocean Current Prediction Model Based on Machine Learning for Deciding Handover Priority in Underwater Wireless Sensor Networks", International Conference on Artificial intelligence in Information and Communication (ICAIIC), Japan, 2020. 

7. Junghun Byun, Yong-Ho Cho, Tae-Ho Im, Hak-Lim Ko, Kyung-Seop Shin and *Ohyun Jo"Iterative Learning for Reliable Underwater Link Adaptation", The Thirty-Fourth AAAI Conference on Artificial Intelligence (AAAI-20), short paper, New York, 2020. (h5 index: 95)

​6. Donghan Chee, Juyeop Kim,Woo-Geun Ahn,Ohyun Jo,Ju Yong Lee, Dong-Ho Cho, “Design and Performance Evaluation of Virtual Cellular Networks Mitigating Inter-cell Interference in Indoor Environments”, International Conference on ICT Convergence 2011.9​

 

​5.  Ohyun Jo, Hyun Ho Choi, Dong-Ho Cho, “Seamless spectrum handover improving cell outage in cognitive radio systems”, 4th International Conference on Cognitive Radio Oriented Wireless Networks and Communications 2009

 

​4. Ohyun Jo, Dong-Ho Cho, “Efficient Spectrum Matching Based on Spectrum Characteristics in Cognitive Radio Systems”, IEEE Wireless Telecommunications Symposium 2008.8

 

3. Ohyun Jo, Dong-Ho Cho, “Traffic Adaptive Uplink Scheduling Scheme for Relay Station in IEEE 802.16 based Multi-hop System”, IEEE Vehicular Technology Conference 2007.10

 

​2. Ohyun Jo, Ji-Hyun Park, Dong-Ho Cho, “QoS Provisioning Spectrum Management Based on Intelligent Matching and Reservation for Cognitive Radio System”, International Conference on Cognitive Radio Oriented Wireless Networks and Communications 2007.8

 

1.  Ohyun Jo, Jong-wuk Son, Soo-yong Jeon, Dong-ho Cho, “Enhanced Packet Scheduling Algorithm Providing QoS in High Speed Downlink Packet Access”, IEEE Vehicular Technology Conference 2006

DOMESTIC CONFERENCE PAPERS

19. 박석현, 조오현, "DC-NAV : 수중통신에서 분할 정복 알고리즘에 기반한 NAV 타이머 설정 기법", 한국통신학회 하계종합학술대회, 2020. 8

18. 변정훈, 조오현, "시계열 교통량 정보의 2차원 이미지화를 통한 저복잡도 CNN 기반 예측 모델", 한국통신학회 하계종합학술대회, 2020. 8

17. 박상준, 조오현, 윤준혁, 김용철, 이원우, "다중빔 기반 다계층 공중전술네트워크를 활용한 미래 작전 시나리오", 한국통신학회 동계종합학술대회, 2020. 2

16. 조오현, 박상준, 김용철, 변종신, 이원우, "다계층 공중전술테느워크 운용 개념과 기술적 고려 사항", 한국통신학회 추계종합학술대회, 2019. 11

15. 변종신, 조오현, 김용철, "전술이동통신체계의 5G 도입에 대한 고려사항", 한국통신학회 하계종합학술대회, 2019.6

14. 박진훈, 조용호, 인태호, 고학림, 조오현, "수중 센서 네트워크를 위한 딥러닝 기반 링크 적응 방안", 한국통신학회 하계종합학술대회, 2019.6

13. 박상준, 김용철, 변종신, 안효춘, 조오현, 이원우, "다계층 전술통신망 운용을 위한 공중전술통신장비의 다중빔 안테나 개발 고려사항", 한국통신학회 하계종합학술대회, 2019.6

12. 박석현, 조오현, "수중 IoT 네트워크에서 확률적 우선순위 결정에 기반한 핸드오버 방법", 한국통신학회 하계종합학술대회, 2019.6

11. 변정훈, 조용호, 임태호, 고학림, 조오현, "다중 선형 회귀 기반의 수중 IoT 네트워크 링크 적응 방법", 한국통신학회 하계종합학술대회, 2019.6

10. 신경주, 조오현, "링 기반 수중 IoT 네트워크에서 전파지연 시간 차이를 이용한 충돌확률 감소방안"(Best paper awards), 한국통신학회 추계학술대회, 2018

​9. 전준범, 김연우, 변지은, 조오현, “타이젠 기반 홈 트레이닝 보조 어플리케이션”, 중소기업융합학회 추계종합학술대회 2018

 

​8. 윤민용, 김재현, 박경훈, 조오현, “IoT 기능을 탑재한 텀블러 개발”, 중소기업융합학회 추계종합학술대회 2018

 

​7. 권민서, 김우주, 이재준, 조오현, “IoT 기반 저수조 관리 시스템”(Best paper awards), 중소기업융합학회 추계종합학술대회 2018

 

​6. 변종신, 박상준, 김용철, 조오현, “TMMR과 군 위성통신의 연계 운용 방안에 관한 연구”, 한국통신학회 동계학술대회 2017.12

 

​5. 조오현, 변종신, 박상준, 김용철, “전술정보통신체계에서 대용량/소용량 무선전송체계의 지향성 송수신 링크 성능 향상을 위한 빔 운용 방안”, 한국통신학회 동계학술대회 2017.12

 

​4. Yoon Jungmin, Choi Ji-Won, Lee Jungyong, Ohyun Jo, Kim Seong-Cheol, “Residual Phase Offset Compensation in mmWave SC-FDE Systems”, 한국통신학회 동계학술대회  2016.12

 

​3. Woongsup Lee, Ohyun Jo, Dong-Ho Cho, “Efficient Network Management Based on Fast Fault Discovery for Indoor WiBro System”, Joint Conference on Communications and Informations 2008.5

 

2. Ohyun Jo, Dong-Ho Cho, “QoS Provisioning Uplink Resource Management for Relay Station in IEEE 802.16 Based Multi-hop Cellular System”, Joint Conference on Communications and Informations 2007.5

 

1. Ohyun Jo, Soo-Yong Jeon, Dong-Ho Cho, “Message Compression Scheme for Overhead Reduction in IEEE 802.16 MMR System”, 한국통신학회 하계학술대회 2006.7

INTERNATIONAL PATENTS

Device and method for analyzing network topology in wireless communication system, EP3051860B1(2020), 유럽.

Data sharing method and electronic device therefor, EP3185594B1(2020), 유럽.

Method and apparatus for communication between devices in wireless communication system, EP3641459A1(2020), 유럽.

Apparatus and method for managing radio link in wireless communication system, EP3278469B1(2020), 유럽.

Apparatus and method for transmitting and receiving signal in communication system, US10680722B2(2020), 미국.

Apparatus and method for performing beamforming operation in millimeter wave communication system, US10517000(2019), 미국.

Communication system having network access structure, EP2494810B1(2019), 유럽.

Method and apparatus for generating synchronization signal in internet of things, US10491444(2019), 미국.

Method and apparatus for communication between devices in wireless communication system, US10334592(2019), US10477545(2019) 미국.

Beam training method and device in communication system, US10291305(2019), 미국.

Method and apparatus for communicating data between station and neighbor access point in communication system, US14/955655(2015), US10251179(2019), 미국.

Method and apparatus for beamforming in wireless communication system, US16/119552(2018), US10097252(2018), 미국.

Electronic device and method of performing wireless communcation using beamforming thereof, US10069551(2018), 미국.

Device and method for analyzing network topology in wireless communcation system, US10051651(2018), 미국.

Data sharing method and electronic device therefor, US20180218220A1(2018), 미국.

Apparatus and method for selecting adaptive beam in wireless communication system, US10028290(2018), 미국.

Wireless device searching apparatus and method in wireless communication system, US9973886(2018), 미국.

Device and method for analyzing network topology in wireless communication system,  US10051651B2(2018), 미국.

Method and apparatus for controlling beamforming, US15/568631(2018), 미국.

 

Apparatus and method for selecting channel in wireless communication system, US14/796889(2015), US9883545(2018), 미국.

Apparatus and method for searching target cell for handover in wireless communication system, US14/540680(2014), US9867091(2018) 미국.

Apparatus and method for managing radio link in wireless communication system, US10164692(2018), 미국.

Apparatus and method for managing radio link in wireless communication system, 201737031633(2017), 인도.

Method and device for estimating angle, US9813130(2017), 미국.

Apparatus and method for operating resource in wireless local area network system supporting multi-user transmission scheme, US9807798(2017), 미국

Method and apparatus for performing short range wireless communication in communication system, US15/404041(2017), 미국.

 

Apparatus and method for communicating between devices in a wireless communication system, MJ-201401-035-1-US0(2017), 미국.

 

Method for sharing data and electronic device thereof, MJ-201404-017-US0(2017). 미국

 

Apparatus and method for performing beam forming operation in millileter wave communication system, MJ-201504-019-US0 (2017), 미국.

 

Method and device for selecting beam in wireless communication system which uses a plurality of antennas, US15/103820(2016), 미국.

Position estimation device and method for wireless communication system, US15/035195(2016), 미국.

Device and method for controlling state in electronic apparatus including components capable of being wirelessly connected, US15/022133(2016), 미국.

 

Apparatus and method for operating resource in wireless local area network system supporting multiple user transmission scheme, PCT/KR2015/008821(2015), PCT.

 

Apparatus and method for operating resource in wireless local area network system supporting multiple user transmission scheme, US14/834231(2015), 미국.

 

Method for sharing data and electronic device thereof, PCT/KR2015/008679(2015), PCT.

Communication system having network access structure, CN102668616B(2015), 중국.

 

Apparatus and method for communicating between devices in a wireless communication system, PCT/KR2015/009986(2015), PCT.

 

Method and apparatus for in wireless communication system, US14/332170(2014), 미국.

 

Apparatus and method for controlling status in electronics device including wireless connectable components, PCT/KR2014/008547(2014), PCT.

 

Method and apparatus for discovering central nodes in wireless communication system, PCT/KR2014/006295(2014), PCT.

 

Apparatus and method for discovering wireless devices in a wireless communication system, PCT/KR2014/008065(2014), PCT.

 

Apparatus and method for analyzing network topology in wireless communication system, PCT/KR2014/008839(2014), PCT.

 

Apparatus and method for location estimation in a wireless communication system, PCT/KR2014/010450(2014), PCT.

 

Method and apparatus for beam training in communication system, PCT/KR2014/010574(2014), PCT.

Apparatus and method for searching target cell for handover in wireless communication system, 14193024.8(2014), 유럽.

 

Apparatus and method for handover in wireless communication system, US14/519774(2014), 미국.

 

Method and apparatus for efficient beamforming in multiple antenna systems, PCT/KR2014/012190(2014), PCT.

 

Adaptive beam selection apparatus and method in a wireless communication system, PCT/KR2014/012069(2014), PCT.

 

Communication system having network access structure, US12/785039(2010), US8412206B2(2013), 미국.

 

Apparatus and method for processing bandwidth request in multihop relay broadband wireless access (bwa) communication system, US12/011092(2008), US8149759B2(2012), 미국.

 

System and method for transmitting and receiving resource allocation information in a wireless communication system, US11/705991(2007), US7894389B2(2011), 미국.

 

Method of reporting channel state in mobile communication system, US11/706627(2007), US7860463B2(2011), 미국.

 

Method of reporting channel state in mobile communication system, EP20070003249(2007), EP1821443 B1(2011), 유럽.

 

Apparatus and method for transmitting/receiving signal in a communication system, US11/442750(2006), US8014349B2(2011), 미국.

 

Apparatus and method for allocating uplink radio resource in wideband wireless communication system, US12/072407(2008), US8050685B2(2011), 미국.

 

Apparatus and method for processing bandwidth request in multihop relay broadband wireless access (bwa) communication system, EP20080001378(2008), EP1995921B1(2011), 유럽.

 

Communication system and method of performing multi-cell common operation, US12/850682(2010), US8504050B2(2013), 미국.

 

System and method for setting up P2P communication group in cellular system, and P2P communication system and method using P2P communication group, US11/973878(2007), US7920887B2(2011), 미국. 

 

Communication system and method of performing multi-cell common operation, PCT/KR2010/006058(2010), PCT.

 

Base station for exchanging frequency bands, US12/266045(2008), US7831274B2(2010), 미국.

 

Method of reporting channel state in mobile communication system, DE200760008486(2007), DE602007008486D1(2010), 독일.

 

Method and system for transmitting data in a communication system, EP20070102365(2010), 유럽.

 

Communication system to perform lending and/or borrowing of a radio resource, US12/393659(2009), 미국.

 

System and method for transmitting and receiving resource allocation information in a wireless communication system, EP20070003168(2007), EP1819107B1(2009), 유럽.

 

System and method for transmitting and receiving resource allocation information in a wireless communication system, DE200760001353(2007), DE602007001353D1(2009), 독일.

 

Apparatus and method for processing bandwidth request in multihop relay broadband wireless access (bwa) communication system, PCT/KR2008/000466(2008), PCT.

 

Base station for exchanging frequency bands, EP20080874881(2008), 유럽.

 

Base station for exchanging frequency bands, PCT/KR2008/006958(2008), PCT.

 

Beam division multiple access system and method for mobile communication system, US12/304236(2008), 미국.

 

Beam division multiple access system and method for mobile communication system, CN200880000346(2008), 중국.

 

Beam division multiple access system and method for mobile communication system, PCT/KR2008/002140(2008), PCT.

 

Network configuration method for future wireless communication system, PCT/KR2008/000660(2008), PCT.

 

Apparatus and method for processing bandwidth request in multihop relay broadband wireless access (bwa) communication system,  CN200880002728(2008), 중국

 

Apparatus and method for enhancing link performance of multicast service in wireless system, US11/649027(2007), 미국.

 

Method and system for transmitting data in a communication system, US11/708697(2007), 미국.

 

Method and system for transmitting data in a communication system, DE200760006567(2007), 독일.

DOMESTIC PATENTS

무선 USB 연결을 위한 근접통신 방법 및 장치, 2016-0003037(2016).

 

사물 인터넷을 위한 송신기 구조 및 변조 방법, 2016-0104304(2016).

 

사물인터넷을 위한 주파수영역의 신호 매핑 방법, 2016-0043482(2016).

 

단말의 서비스 품질에 따라 핸드 오프를 수행하는 인지 무선 통신 시스템, 2008-0125202(2008), 1014803780000(2015).

 

이종 통신 시스템간 동작 주파수 공유를 위한 주파수 감지 장치 및 방법, 2008-0104285(2008), 1014919720000(2015).

 

전자 장치 및 이의 빔포밍을 이용한 무선 통신 방법, 2015-0036939(2015).

 

무선 통신 시스템에서 무선 링크를 관리하기 위한 장치 및 방법, 2015-0046352(2015).

 

각도 추정 방법 및 그 전자 장치, 2015-0038991(2015).

 

빔포밍 제어를 위한 방법 및 장치, 2015-0056688(2015).

 

통신 시스템에서 단말과 인접 액세스 포인트간 데이터 송수신 방법 및 그 장치, 2015-0170099(2015).

 

근접 무선 통신용 고효율 송수신기, 2015-0131376(2015).

 

밀리미터파 통신 네트워크에서 비대칭 빔포밍 방법, 2015-0144801(2015).

 

다중 입출력 통신 기술을 이용하는 인지 무선 통신 시스템, 2008-0085776(2008), 1014752260000(2014).

 

주파수 대역 교환 기지국, 2008-0063030(2008), 1014584930000(2014).

 

무선 통신 시스템에서 채널을 선택하기 위한 방법 및 장치, 2014-0087666(2014).

 

데이터 공유 방법 및 그 전자 장치, 2014-0108429(2014).

 

다중 사용자 송신 방식을 지원하는 근거리 무선 통신 네트워크 시스템에서 자원 운용 장치 및 방법, 2014-0109714(2014).

 

근거리 디바이스 간 저전력 통신 장치 및 방법, 2014-0127709(2014).

 

무선 통신시스템의 위치 추정 장치 및 방법, 2014-0057396(2014).

 

통신 시스템에서 단말과 인접 액세스 포인트간 데이터 송수신 방법 및 그 장치, 2014-0169707(2014).

 

다중 사용자 송신 방식을 지원하는 근거리 무선 통신 네트워크 시스템에서 자원 운용 장치 및 방법, 2014-0161575(2014).

 

다중 안테나를 지원하는 근거리 무선 통신 네트워크 시스템에서 단말과 인접 AP간 정보 교환 및 정보 수집을 위한 방법 및 그 장치, 2014-016970(2014).

 

다중 사용자 송신 방식을 지원하는 근거리 무선 통신 네트워크 시스템에서 자원 운용 장치 및 방법, 2014-0145251(2014).

 

다중 사용자 송신 방식을 지원하는 근거리 무선 통신 네트워크 시스템에서 자원 운용 장치 및 방법, 2014-0131896(2014).

 

다중 홉 중계방식의 광대역 무선 통신 시스템에서 핸드오버를 수행하기 위한 장치 및 방법, 2006-0093359, 101225191000(2013).

 

무선랜의 저전력 AP 탐색 장치 및 방법, 2013-0082971(2013).

 

무선 통신시스템의 중앙 장치 탐색 방법 및 장치, 2013-0102165(2013).

 

무선 통신시스템의 무선 기기 탐색 장치 및 방법, 2013-0104451(2013).

 

무선 통신 시스템에서 망 토폴로지 분석을 위한 장치 및 방법, 2013-0113501(2013).

 

무선 연결 가능한 구성 요소들을 포함하는 전자 장치에서 상태 제어 장치 및 방법, 2013-0111149(2013).

 

무선 통신시스템의 적응적 빔 선택 장치 및 방법, 2013-0153430(2013).

 

무선통신 시스템에서 빔포밍 방법 및 장치, 2013-0141225(2013).

 

다수의 안테나를 사용하는 무선 통신 시스템에서 빔 선택 방법 및 장치, 2013-0153616(2013).

 

무선 통신 시스템에서 핸드오버 장치 및 방법, 2013-0125868(2013).

 

무선 통신 시스템에서 핸드오버를 위한 타겟 셀 검색 장치 및 방법, 2013-0137755(2013).

 

통신 시스템에서 빔 훈련 방법 및 장치, 2013-0133898(2013).

 

무선 통신시스템의 거리 측정 장치 및 방법, 2013-0133916(2013).

 

멀티홉 릴레이 시스템에서 채널정보 통신 장치 및 방법, 2006-0076624(2006), 1012063560000(2012).

 

광대역 무선통신 시스템에서 상향링크 무선자원을 할당하기 위한 장치 및 방법, 2007-0018929(2007), 1011066890000(2012).    

 

RFID 리더, 태그 읽기 방법, 및 기록 매체, 2008-0128394(2008), 1011198850000(2012).

 

태그 집합 및 상기 태그 집합의 데이터 읽기 방법, 2008-0128392(2008), 1010513930000(2011).

 

무전원 단말기 및 상기 무전원 단말기의 아이덴티피케이션 방법, 2008-0128391(2008), 1010073700000(2011).

 

태그 수 추정 방법과 상기 방법을 수행할 수 있는 리더, 2010-0006013(2010), 1010331260000(2011).

 

무선 통신 시스템에서 자원 할당 정보 송수신 시스템 및 방법, 2006-0014253(2006), 1010757770000(2011).      

 

통신 시스템에서 신호 송수신 장치 및 방법, 2006-0010247(2006), 1010028430000(2010).

 

통신 시스템에서 데이터 전송 방법 및 시스템, 2006-0015550(2006), 1009665860000(2010).

 

이동 통신 시스템에서 채널 상태 보고 방법, 2006-0014630(2006), 1009574100000(2010).

 

옥내용/옥외용 기지국으로 구성되 휴대인터넷 시스템에서 단말의 핸드오버 제어 방법 및 그를 위한 핸드오버 메시지 구성 방법, 2008-0039498(2008), 1009646140000(2010).

 

옥내용/옥외용 기지국으로 구성된 휴대인터넷 시스템에서 핸드오버를 위한 기지국 스캐닝 방법 및 그를 위한 옥내용 기지국의 분류방법, 2008-0042548(2008), 1009771170000(2010).

 

태그, 리더기, 및 상기 태그와 상기 리더기를 이용한 태그 아이덴티피케이션 방법, 2008-0128395(2008), 1009862910000(2010).

 

인도어 휴대 인터넷의 통신망 진단 방법 및 그 시스템, 2008-0018569(2008), 1009487390000(2010).

 

휴대인터넷 시스템에서 옥내용 기지국을 이용하는 휴대인터넷 단말을 위한 재인증 방법 및 그를 위한 옥내용 기지국의 인증 방법, 2008-0018582(2008), 1009771140000(2010).

 

차세대 이동통신시스템에서의 망 구성 및 전송주파수 선택 방법, 2007-0097875(2007), 1009458790000(2010).

 

이동통신시스템에서의 빔분할다중접속시스템 및 방법, 2007-0097876(2007), 1009458800000(2010).

 

다중 홉 릴레이 방식을 사용하는 광대역 무선접속통신 시스템에서 대역폭 요청을 처리하기 위한 장치 및 방법, 2007-0007800(2007), 1009492870000(2010).

 

무선 시스템에서 멀티캐스트 서비스의 링크 성능 향상을 위한 장치 및 방법, 2006-0000338(2006), 1008969910000(2009). 

 

최적화된 망접속 구조를 갖는 통신 시스템, 2009-0102694(2009).

 

다중 셀 공통 동작을 수행하는 통신 시스템 및 상기 통신 시스템을 위한 방법, 2009-0126593(2009).

 

인도어 기지국의 장애를 보정하는 방법 및 그 시스템, 2008-0018583(2008), 1009331350000(2009).

 

셀룰러시스템에서의 피투피통신그룹 설정시스템 및 방법과, 피투피통신그룹을 이용한 피투피 통신시스템 및 방법, 2007-0072590(2007), 1009342640000(2009).

 

무선인지 기반 이동통신시스템의 언더레이 전송방법, 2007-0099658(2007), 1008983330000(2009).

 

무선 자원 임대 기지국, 2008-0066083(2008).

 

휴대인터넷 시스템에서의 망 접속 처리 방법과 그를 이용한 핸드오버 방법, 2008-0026389(2008).

 

직교 주파수 분할 다중 액세스 기반 멀티 홉 시스템의 자동 재전송 요구장치 및 방법, 2006-0049686(2006).