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Haewoon Nam


Contact Information


Office: Room 304, Engineering Building 3, Hanyang University, Ansan, Korea
Email: hnam@hanyang.ac.kr, haewoon_nam@ieee.org
Phone: +82-31-400-5293
Fax: +82-31-436-8152
Google-Voice: +1-512-417-5660

Education


Ph.D., Electrical and Computer Engineering, University of Texas at Austin, USA, 2006
M.S., Electrical Engineering, Seoul National University, Seoul, Korea, 1999
B.S., Electronic Communication Engineering, Hanyang University, Seoul, Korea, 1997

Professional Experience

Hanyang University, Ansan, Korea

Professor    Mar. 2011 - Current

- Teach various courses in Electrical Engineering
- Research on next-generation intelligent communication systems
- Research and development on embedded (software) system design

Qualcomm Inc., San Diego, CA

Consultant   May. 2017 - Feb. 2018

- Research and development of RF software for OneWeb LEO satellite communication systems

Apple Inc., Cupertino, CA

Principle System Engineer   Nov. 2010 - Mar. 2011

- Research and development of next-generation smart mobile systems

Motorola Inc., Austin, TX

Senior Staff Engineer/System Architect    Oct. 2006 - Nov. 2010

- Development of a simulator for 3GPP LTE transmitter and a prototype of 3GPP LTE user equipment system
- Physical layer algorithm design and development of 3GPP LTE mobile systems (cell search, HARQ, transmit power control, etc)
- Modeling and Implementation of 3GPP LTE transmitter/receiver based on Matlab for modem hardware/software functional verification and performance analysis (OFDM receiver, SC-FDMA transmitter, turbo encoder/decoder, channel estimation, etc)
- Design and implementation of a modem test tool for 3GPP LTE mobile systems (constellation plot, BER test, EVM calculation, etc)
- Layer 1 system architecture design for the 3GPP LTE mobile systems including software and hardware partitioning/interface (DMA architecture for uplink/downlink, cell search, etc)

Freescale semiconductor, Austin, TX

System/Software Engineer Intern   Aug. 2005 - Dec. 2005

- Identified and designed test plans and cases of WiMAX MAC layer based on SDL

Samsung Advanced Institute of Technology, Kiheung, Korea

Research Intern   May 2005 - Aug. 2005

- Investigated the performance of various MIMO schemes for the 3GPP LTE standard

IBM T. J. Watson research center, Yorktown Heights, NY

Research Intern   May 2003 - Aug. 2003

- Performed 60GHz wireless channel measurements in indoor environments and statistical analysis of the measurements

Samsung Electronics, Suwon, Korea

Research/System/Software Engineer   Feb. 1999 - Jul. 2002

- Mainly responsible for the design of hardware and software interface of various mobile handsets
- Participated in designing the hardware specification of the next GSM/GPRS baseband processor in mobile handset (product name : Scom5300)
- Developed layer1 software (ARM7) and DSP software (Oak) for the GSM/GPRS processor
- Co-developed layer1 (ARM7) and DSP (Oak, Teak) equalizer s/w with the TTPCom., UK
- Co-developed layer1 s/w (ARM7) for the CDMA2000 Phase1 baseband processor (SCom5000) with the Dot Wireless, USA
- Developed call processing and other relevant tasks for the Medium Data Rate feature of the IS95B CDMA baseband processor (Scom 3710) based on Qualcomm CDMA software stack
- Verified IS-95A CDMA hardware design and algorithm implemented in FPGA
- Development of PC Link data service software, which enables PCs to control various functionalities in mobile handsets. (address book, ringing melody, or pictures)

Awards & Honors


- Best paper award in The Journal of Korean Institute of Communications and Information Science (J-KICS)     Nov. 2019
- Best paper award in Korean Robotics Conference     May 2015
- Marquis Who's Who of Emerging Leaders     2007
- Office of Graduate Studies Travel Grant    May. 2006
- Korean Government Overseas Scholarship    Aug. 2002 - Aug. 2005
- Best Engineer Award, Telecommunication R&D center, Samsung Electronics    May 2001
- Hyundai Electronics Scholarship (now Hynix semiconductor)    Mar. 1996 - Feb. 1999
- University Student English Proficiency Award, LG Electronics    Jun. 1996

Professional Activities

 
- Associate Editor, IEEE Communications Letters
- Associate Editor, IEEE Open Journal of the Communications Society
- Associate Editor, European Transactions on Telecommunications
- Senior Member, IEEE
- TPC member: Global communications conference (GlobeCom) 2009 workshop on millimeter wave and Tera-Hertz communications, Interntional communications conference (ICC) 2010 Cognitive networks track, Interntional conference on cognitive radio oriented wireless networks and communications (CrownCom) 2010, Interntional conference on cognitive radio oriented wireless networks and communications (CrownCom) 2011
- Reviewer of the following Journals: IEEE Transactions on Communications, IEEE Transactions on Vehicular Technology, IEEE Transactions on Wireless Communications, IEEE Transactions on Signal Processing, IEEE Transactions on Mobile Computing, IEEE Journal on Selected Areas in Communications, IEEE Communications Letters, IEEE Signal Processing Letters, Wiley Wireless Communications and Mobile Computing, Journal of Communications and Networks, Journal of Electromagnetic Waves and Applications, Elsevier Physical Communications
- Reviewer of various conferences related to wireless communications and signal processing
- Reviewer, Samsung HumanTech Paper Contest

Publications

Journals

  1. Muhammad Haris, Dost Muhammad Saqib Bhatti and Haewoon Nam, "A Fast Covergent Hyperbolic Tangent PSO Algorithm for UAVs Path Planning," IEEE Open Journal of Vehicular Technology, Early access
  2. Hyeongyun Kim, Adnan Shahid, Jaron Fontaine, Eli De Poorter, Ingrid Moerman and Haewoon Nam, "IoT Technology Recognition using Deep Clustering," IEEE Internet of Things Journal, vol. 11, no. 8, pp. 13372-13382, Apr. 2024
  3. Xintao Duan, Chun Li, Bingxin Wei, Guoming Wu, Chuan Qin, and Haewoon Nam, "DHU-Net: High capacity Binary Data Hiding Network based on Improved U-Net," Neurocomputing, vol. 576, no. 1, pp. 1-16, Apr. 2024
  4. Sewoong Min and Haewoon Nam, "ACACT: Adaptive Collision Avoidance Algorithm based on Estimated Collision Time for Swarm UAVs," IEEE Access, vol. 11, pp. 120179-120191, Oct. 2023
  5. Dost Muhammad Saqib Bhatti and Haewoon Nam, "FedCLS: Class-Aware Federated Learning in a Heterogeneous Environment," IEEE Transactions on Network and Service Management, vol. 20, no. 2, pp. 1517-1528, Jun. 2023
  6. Mohsin Ali, Muhammad Naveed Yasir, Dost Muhammad Saqib Bhatti, and Haewoon Nam, "Optimization of Spectrum Utilization Efficiency in Cognitive Radio Networks," IEEE Wireless Communications Letters, vol. 12, no. 3, pp. 426-430, Mar. 2023
  7. Donghyun Kim, Aws Khalil, Haewoon Nam, and Jaerock Kwon, "OPEMI: Online Performance Evaluation Metrics Index for Deep Learning-based Autonomous Vehicles," IEEE Access, vol. 11, pp. 16951-16963, Feb. 2023
  8. Insung Kang and Haewoon Nam, "Robust Localization System using Vector Combination in Wireless Sensor Networks," IEEE Access, vol. 10, pp. 73437-73445, Jul. 2022
  9. Xintao Duan, Zhiqiang Shao, Wenxin Wang, En Zhang, Dongli Yue, Chuan Qin and Haewoon Nam, "A Steganography Model Data Protection Method Based on Scrambling Encryption," Computers, Materials, and Continua, vol. 72, no. 3, pp. 5363-5375, Apr. 2022
  10. Jaerock Kwon, Aws Khalil, Donghyun Kim and Haewoon Nam, "Incremental End-to-End Learning for Lateral Control in Autonomous Driving," IEEE Access, vol. 10, pp. 33771-33786, Apr. 2022
  11. Dost Muhammad Saqib Bhatti, Ruhul Amin Khalil, Nasir Saeed and Haewoon Nam, "Detection and Spatial Correlation Analysis of Infectious Diseases Using Wireless Body Area Network User Imperfect Wireless Channel," Big Data, vol. 10, no. 1, pp. 54-64, Feb. 2022
  12. Hyungkook Oh and Haewoon Nam, "Maximum Rate Scheduling with Adaptive Modulation in Mixed Impulsive Noise and Additive White Gaussian Noise Environments," IEEE Transactions on Wireless Communications, vol. 29, no. 5, pp. 3308-3320, May. 2021
  13. Hyungkook Oh, Dongho Seo, and Haewoon Nam, "Design of a Test for Detecting the Presence of Impulsive Noise," Sensors, vol. 20, no. 24, pp. 1-14, Dec. 2020
  14. Dongho Seo and Haewoon Nam, "Deep RP-CNN for Burst Signal Detection in Cognitive Radios," IEEE Access, vol. 8, pp. 167164-167171, Sep. 2020
  15. Nasir Saeed, Haewoon Nam, Tareq Al-Naffouri, and Mohamed-Slim Alouini, "A State-of-the-Art Survey on Multidimensional Scaling Based Localization Techniques," IEEE Communications Surveys and Tutorials, vol. 21, no. 4, pp. 3565-3583, Nov. 2019
  16. Nasir Saeed, Haewoon Nam, Tareq Al-Naffouri, and Mohamed-Slim Alouini, "Primary User Localization and Its Error Analysis in 5G Cognitive Radio Networks," Sensors, vol. 19, no. 9, pp. 1-12, May. 2019
  17. Minhwan Choi, Hoojin Lee, and Haewoon Nam, "Error Rate Analysis of DF Cooperative Network Based on Distributed STBCs Employing Antenna Switching Technique," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E102-A, no. 5, pp. 741-746, May. 2019
  18. Mohsin Ali and Haewoon Nam, "Optimization of Spectrum Utilization in Cooperative Spectrum Sensing," Sensors, vol. 19, no. 8, pp. 1-13, Apr. 2019
  19. Hyungkook Oh and Haewoon Nam, "Energy Detection Scheme in the Presence of Burst Signals," IEEE Signal Processing Letters, vol. 26, no. 4, pp. 582-586, Apr. 2019
  20. Nasir Saeed, Haewoon Nam, Mian Imtiaz Ul Haq, and Dost Muhammad Saqib Bhatti, "A Survey on Multidimensional Scaling," ACM Computing Surveys, vol. 51, no. 3, pp. 47:1-47:25, May. 2018
  21. Mohsin Ali and Haewoon Nam, "Optimization of Spectrum Hole Utilization in Rayleigh Faded Cognitive Radio Networks," International Journal of Signal Processing Systems, vol. 6, no. 1, pp. 1-5, Mar. 2018
  22. Mohsin Ali and Haewoon Nam, "Effect of Spectrum Sensing and Transmission Duration on Spectrum Hole Utilisation in Cognitive Radio Networks," IET Communications, vol. 11, no. 16, pp. 2539-2543, Nov. 2017
  23. Geumbee Kim, Jeongwon Lee, Haewoon Nam, and Daeyoung Park, "Iterative sparse channel estimation and demodulation for blind equalisation," Electronics Letters, vol. 53, no. 21, pp. 1435-1437, Nov. 2017
  24. Nasir Saeed and Haewoon Nam, "Energy Efficient Localization Algorithm with Improved Accuracy in Cognitive Radio Networks," IEEE Communications Letters, vol. 21, no. 9, pp. 2017-2020, Sep. 2017
  25. Daeyoung Kim, Haewoon Nam and Hu Jin, "Pseudo-Bayesian Broadcasting Algorithm for Opportunistic Splitting Scheduling Systems," IEEE Transactions on Vehicular Technology, vol. 66, no. 6, pp. 5450-5455, Jun. 2017
  26. Hyungkook Oh and Haewoon Nam, "Design and Performance Analysis of Nonlinear Preprocessors in an Impulsive Noise Environment," IEEE Transactions on Vehicular Technology, vol. 66, no. 1, pp. 364-376, Jan. 2017
  27. Dost Muhammad Saqib Bhatti and Haewoon Nam, "Spatial Correlation based Analysis of Soft Combination and User Selection Algorithm for Cooperative Spectrum Sensing," IET Communications, vol. 11, no. 1, pp. 39-44, Jan. 2017
  28. Dost Muhammad Saqib Bhatti, Nasir Saeed and Haewoon Nam, "Fuzzy C-Means Clustering and Energy Efficient Cluster Head Selection for Cooperative Sensor Networks," Sensors, vol. 16, no. 9, Sep. 2016
  29. Nasir Saeed and Haewoon Nam, "Cluster Based Multidimensional Scaling for Irregular Cognitive Radio Networks Localization," IEEE Transactions on Signal Processing, vol. 64, no. 10, pp. 2649-2659, May 2016
  30. Nasir Saeed and Haewoon Nam, "Robust Multidimensional Scaling for Cognitive Radio Network Localization," IEEE Transactions on Vehicular Technology, vol. 64, no. 9, pp. 4056-4062, Sep. 2015
  31. Haewoon Nam, Nasir Saeed, Mahdi Ben Ghorbel, and Mohamed-Slim Alouini, "Primary User Localization and Uplink Resource Allocation in OFDMA Cognitive Radio Systems," IET Communications, vol. 9, no. 8, pp. 1131-1137, May 2015
  32. Mahdi Ben Ghorbel, Haewoon Nam, and Mohamed-Slim Alouini, "Soft Cooperative Spectrum Sensing Performance Under Imperfect and Non-Identical Reporting Channels," IEEE Communications Letters, vol. 19, no. 2, pp. 227-230, Feb. 2015
  33. Minhwan Choi, Hoojin Lee, and Haewoon Nam, "Error Rate Analysis of Quasi-Orthogonal Space-Time Block Codes With Power Scaling," Electronics Letters, vol. 50, no. 25, pp. 1940-1942, Dec. 2014
  34. Hyungkook Oh, Haewoon Nam, and Seungkeun Park, "Adaptive Threshold Blanker in an Impulsive Noise Environment," IEEE Transactions on Electromagnetic Compatibility, vol. 56, no. 5, pp. 1045-1052, Oct. 2014
  35. Haewoon Nam and Mohamed-Slim Alouini, "Iterative Group Splitting Algorithm For Opportunistic Scheduling System," IEEE Transactions on Mobile Computing, vol. 13, no. 5, pp. 1076-1089, May 2014
  36. Minhwan Choi, Hoojin Lee, and Haewoon Nam, "Exact and Asymptotic PEP Derivations for Various Quasi-Orthogonal Space-Time Block Codes," Electronics Letters, vol. 49, no. 21, pp. 1358-1360, Oct. 2013
  37. Haewoon Nam and Mohamed-Slim Alouini, "Performance Improvement of Per-User Threshold-based Multiuser Switched Scheduling System," IEICE Transactions on Communications, vol. E96-B, no. 1, pp. 367-370, Jan. 2013
  38. Seung-Sik Eom, Haewoon Nam, and Young-Chai Ko, "Low Complexity PAPR Reduction Scheme Without Side Information for OFDM Systems," IEEE Transactions on Signal Processing, vol. 60, no. 7, pp. 3657-3669, Jul. 2012
  39. Haewoon Nam and Youngok Kim, "A Low Complexity Single Carrier Frequency Division Multiple Access Transmitter," Wiley International Journal of Communication Systems, vol. 25, no. 11, pp. 1489-1495, Nov. 2012
  40. Haewoon Nam and Mohamed-Slim Alouini, "Effect of Threshold Quantization in Opportunistic Splitting Algorithm," IEEE Communications Letters, vol. 15, no. 12, pp. 1394-1397, Dec. 2011
  41. Haewoon Nam, "Interpolation-based SC-FDMA Transmitter with Localized Resource Allocation," IEEE Communications Letters, vol. 14, no. 10, pp. 948-950, Oct. 2010
  42. Haewoon Nam and Mohamed-Slim Alouini, "Multiuser Switched Diversity Scheduling Systems with Per-User Threshold," IEEE Transactions on Communications, vol. 58, no. 5, pp. 1321-1326, May. 2010
  43. Haewoon Nam and Mohamed-Slim Alouini, "Optimization of Multi-Branch Switched Diversity Systems," IEEE Transactions on Communications, vol. 57, no. 10, pp. 2960-2970, Oct. 2009
  44. Haewoon Nam, Young-Chai Ko, and Mohamed-Slim Alouini, "Performance Analysis of Joint Switched Diversity and Adaptive Modulation," IEEE Transactions on Wireless Communications, vol. 7, no. 10, pp. 3780-3790, Oct. 2008
  45. Haewoon Nam, Young-Chai Ko, and Mohamed-Slim Alouini, "Spectral Efficiency Enhancement in Multi-Channel Systems using Redundant Transmission and Diversity Reception," IEEE Transactions on Wireless Communications, vol. 7, no. 6, pp. 2143-2153, June 2008
  46. Haewoon Nam, Young-Chai Ko, and Baxter F. Womack, "Performance Analysis of OT-MRC over I.I.D. Nakagami and Non-I.I.D. Rayleigh fading channels," IEEE Transactions on Vehicular Technology, vol. 55, no. 6, pp. 1941-1946, Nov. 2006
  47. Thomas Zwick, Troy Beukema, and Haewoon Nam, "Wideband Channel Sounder With Measurements and Model for the 60 GHz Indoor Radio Channel," IEEE Transactions on Vehicular Technology, vol. 54, no. 4, pp. 1266-1277, July 2005

Conference Proceedings

  1. Dost Muhammad Saqib Bhatti and Haewoon Nam, "A Robust Aggregation Approach for Heterogeneous Federated Learning,"Int. Conf. on Ubiquitous and Future Networks (ICUFN), Paris, France, Jul. 2023
  2. Dost Muhammad Saqib Bhatti and Haewoon Nam, "A Performance Efficient Approach of Global Training in Federated Learning,"Int. Conf. on Artificial Intelligence in Information and Communication (ICAIIC), Bali, Indonesia, Feb. 2023
  3. Hur Jun and Haewoon Nam, "Performance Comparison of Moving Target Classification based on Deep Learning,"Int. Conf. on ICT Convergence (ICTC), Jeju, Korea, Oct. 2022
  4. Hyeongyun Kim, Adnan Shahid, Jaron Fontaine, Eli De Poorter, Ingrid Moerman, and Haewoon Nam, "Automatic Modulation Classification using Relation Network with Denoising Autoencoder,"Int. Conf. on ICT Convergence (ICTC), Jeju, Korea, Oct. 2022
  5. Dost Muhammad Saqib Bhatti, Muhammad Haris, and Haewoon Nam, "A Communication Efficient Approach of Global Training in Federated Learning,"Int. Conf. on ICT Convergence (ICTC), Jeju, Korea, Oct. 2022
  6. Muhammad Haris, Dost Muhammad Saqib Bhatti, and Haewoon Nam, "An Improved Particle Swarm Optimization Algorithm Based on S-shaped Activation Function for Fast Convergence,"Int. Conf. on ICT Convergence (ICTC), Jeju, Korea, Oct. 2022
  7. Bingxin Wei, Xintao Duan, and Haewoon Nam, "Image Steganography with Deep Learning Networks,"Int. Conf. on ICT Convergence (ICTC), Jeju, Korea, Oct. 2022
  8. Byungchan Choi, Jaerock Kwon and Haewoon Nam, "Image Prediction for Lane Following Assist using Convolutional Neural Network-based U-Net," Int. Conf. on Artificial Intelligence in Inf. Commun. (ICAIIC), Jeju, Korea, Feb. 2022
  9. Woojin Yun, Jiyeon Park, Hyeongyun Kim and Haewoon Nam, "Few-shot modulation recognition using Recurrence Plot Algorithm," Int. Conf. on Info. Commun. Tech. Convergence (ICTC), Jeju, Korea, Oct. 2021
  10. Jae Hyeok Yoon, Hyeongyun Kim, Dongho Seo and Haewoon Nam, "Performance Comparison of NLOS Detection Methods in UWB," Int. Conf. on Info. Commun. Tech. Convergence (ICTC), Jeju, Korea, Oct. 2021
  11. Donghyun Kim, Jaerock Kwon and Haewoon Nam, "End-to-End Learning-based Self-Driving Control Imitating Human Driving," Int. Conf. on Info. Commun. Tech. Convergence (ICTC), Jeju, Korea, Oct. 2021
  12. Dongho Seo, Jiyeon Park, Sreeraj Rajendran, Sofie Pollin and Haewoon Nam, "CNN-based Burst Signal Detection with Covariance Matrix," Int. Conf. on Info. Commun. Tech. Convergence (ICTC), Jeju, Korea, Oct. 2021
  13. Hyeongyun Kim, Junil Ahn and Haewoon Nam, "Wideband Spectrum Sensing using Low-Power IoT Device," Int. Conf. on Info. Commun. Tech. Convergence (ICTC), Jeju, Korea, Oct. 2020
  14. Dongho Seo, Junil Ahn and Haewoon Nam, "Comparison of CNN Architectures using RP Algorithm for Burst Signal Detection," Int. Conf. on Info. Commun. Tech. Convergence (ICTC), Jeju, Korea, Oct. 2020
  15. Insung Kang and Haewoon Nam, "Merging Strategy on Cluster-based MDS Algorithm for Nodes Localization in Wireless Sensor Networks," Int. Conf. on Info. Commun. Tech. Convergence (ICTC), Jeju, Korea, Oct. 2020
  16. Nikhil Prabhu, Sewoong Min, Haewoon Nam, Girma Tewolde, and Jaerock Kwon "Integrated Framework of Autonomous Vehicle with Traffic Sign Recognition in Simulation Environment," IEEE Int. Conf. on EL. Info. Tech (EIT), Naperville, IL, USA, Jul. 2020
  17. Dongho Seo and Haewoon Nam, "A Parallel Multi-Channel Cooperative Spectrum Sensing in Cognitive Radio Networks," Int. Symp. on Antennas and Propagation (ISAP), Busan, Korea, Oct. 2018, pp. 1-2
  18. Mohsin Ali and Haewoon Nam, "Optimization of Spectrum Hole Utilization in Rayleigh Faded Cognitive Radio Networks," Int. Conf. on Signal Processing and Inf. , Seoul, Korea, Jan. 2018, pp. 1-4
  19. Dongho Seo, Hyeongyun Kim and Haewoon Nam, "SDR Implementation of Energy Detection with Non-Uniform Quantization Scheme," Int. Conf. on ICT Convergence (ICTC), Jeju, Korea, Oct. 2017, pp. 919-924
  20. Hyungkook Oh and Haewoon Nam, "Simple Calculation of Thresholds for Adaptive Modulation in Middleton Class A Noise," IEEE Wireless Commun. and Networking Conf. (WCNC), San Francisco, CA, USA, Mar. 2017, pp. 1-6
  21. Hyungkook Oh and Haewoon Nam, "Simple Structure of a Receiver for Blind Communication in Impulsive Noise," Int. Conf. on ICT Convergence (ICTC), Jeju, Korea, Oct. 2016, pp. 588-592
  22. Insung Kang and Haewoon Nam, "A Centralized Multi-Targets Positioning System based on UWB," Int. Conf. on Ubiquitous Robots and Ambient Intelligence (URAI), Xian, China, Aug. 2016, pp. 552-554
  23. Sewoong Min and Haewoon Nam, "A Formation Flight Control of UAVs using ZigBee," Int. Conf. on Ubiquitous Robots and Ambient Intelligence (URAI), Xian, China, Aug. 2016, pp. 163-165
  24. Minhwan Choi and Haewoon Nam, "Cooperative UAV Networks based on Distributed Space-Time Block Codes," Int. Conf. on Ubiquitous Robots and Ambient Intelligence (URAI), Xian, China, Aug. 2016, pp. 454-458
  25. Hyungkook Oh and Haewoon Nam, "Design of Nonlinear Preprocessor in Cooperative Diversity Systems over Rayleigh Fading and Impulsive Noise," IEEE Radio and Wireless Symposium (RWS), Austin, TX, USA, Jan. 2016, pp. 223-225
  26. Hyungkook Oh and Haewoon Nam, "Design of Nonlinearity About Quadratic Amplitude Modulation in an Impulsive Noise Environment," Proc. Int. Information and Communication Technology Conf. (ICTC), Jeju, Korea, Oct. 2015, pp. 1326-1331
  27. Minhwan Choi, Hoojin Lee, and Haewoon Nam, "Asymptotic Error Rate Approximation of Amplify-and-Forward Cooperative Diversity Network with Relay Selection," Proc. Int. Information and Communication Technology Conf. (ICTC), Jeju, Korea, Oct. 2015, pp. 1336-1341
  28. Shakeel Syed Abdulla, Haewoon Nam, and Jacob A. Abraham, "A Novel Algorithm for Sparse FFT Pruning and Its Applications to OFDMA Technology," Proc. IEEE Int. Performance Computing and Communications Conf. (IPCCC), Austin, TX, USA, Dec. 2014, pp. 1-7
  29. Nasir Saeed and Haewoon Nam, "MDS-LM for Wireless Sensor Networks Localization," Proc. IEEE Veh. Technol. Conf. (VTC), Seoul, Korea, May 2014, pp. 1-6
  30. Dost Muhammad Saqib Bhatti and Haewoon Nam, "Correlation Based Soft Combining Scheme for Cooperative Spectrum Sensing in Cognitive Radio Networks," Proc. IEEE Veh. Technol. Conf. (VTC), Seoul, Korea, May 2014, pp. 1-5
  31. Mahdi Ben Ghorbel, Haewoon Nam, and Mohamed-Slim Alouini, "Exact Performance of Cooperative Spectrum Sensing for Cognitive Radios with Quantized Information under Imperfect Reporting Channels," Proc. IEEE Veh. Technol. Conf. (VTC), Las Vegas, NV, USA, Sep. 2013, pp. 1-5
  32. Faraan Rashid, Haewoon Nam, and Mohamed-Slim Alouini, "Opportunistic Splitting for Scheduling Using a Score-Based Approach," Proc. IEEE Int. Workshop on Signal Processing Advances in Wireless Commun. (SPAWC), Cesme, Turkey, June 2012, pp. 329-333
  33. Mahdi Ben Ghorbel, Haewoon Nam, and Mohamed-Slim Alouini, "Cluster-based Spectrum Sensing for Cognitive Radios with Imperfect Channel to Cluster-Head," Proc. IEEE Wireless Commun. Networking Conf. (WCNC), Paris, France, Apr. 2012, pp. 709-713
  34. Haewoon Nam and Mohamed-Slim Alouini, "Efficient Scheduling Request Algorithm for Opportunistic Wireless Access," Proc. IEEE MTT-S Int. Miscrowave Workshop Series (IMWS), Daejeon, Korea, Aug. 2011, pp. 26-29
  35. Shakeel Syed Abdulla, Haewoon Nam, Earl Swartzlander Jr., and Jacob A. Abraham, "High Speed Recursion-Free CORDIC Architecture," Proc. IEEE System On Chip Conf. (SOCC), Las Vegas, NV, USA, Sep. 2010, pp. 65-70
  36. Mahdi Ben Ghorbel, Haewoon Nam, and Mohamed-Slim Alouini, "Discrete Rate Resource Allocation for OFDMA Cognitive Radio Systems With Location Information," Proc. IEEE Int. Symp. on Personal Indoor and Mobile Radio Commun. (PIMRC), Istanbul, Turkey, Sep. 2010, pp. 247-251
  37. Mahdi Ben Ghorbel, Haewoon Nam, and Mohamed-Slim Alouini, "Generalized Location-Based Resource Allocation for OFDMA Cognitive Radio Systems," Proc. Int. Symp. on Wireless Commun. Systems (ISWCS), York, U.K., Sep. 2010, pp. 1011-1016
  38. Haewoon Nam, Mahdi Ben Ghorbel, and Mohamed-Slim Alouini, "Location-Based Resource Allocation for OFDMA Cognitive Radio Systems," Proc. Int. Conf. on Cognitive Radio Oriented Wireless Networks and Commun. (CrownCom), Cannes, France, June 2010
  39. Haewoon Nam and Mohamed-Slim Alouini, "Multiuser Switched Scheduling Systems with Per-User Threshold and Post-User Selection," Proc. IEEE Int. Symp. Inform. Theory (ISIT), Austin, TX, USA, June 2010, pp. 2173-2177
  40. Shakeel Syed Abdulla, Haewoon Nam, Mark McDermott, and Jacob A. Abraham, "A High Throughput FFT Processor with no Multipliers,'' Proc. IEEE Int. Conf. Comput. Design (ICCD), Lake Tahoe, CA, USA, Oct. 2009, pp. 485-490
  41. Haewoon Nam, Gustavo de Veciana, and Mohamed-Slim Alouini, "A Feedback Scheme Based on Iterative Group Splitting for Opportunistic Scheduling with Adaptive Modulation," Proc. Int. Symp. on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt), Seoul, Korea, June 2009
  42. Haewoon Nam and Mohamed-Slim Alouini, "Multi-Branch Switched Diversity Systems with Adaptive Switching Threshold," Proc. Int. Symp. Inform. Theory and its Appl. (ISITA), Auckland, New Zealand, Dec. 2008, pp. 1332-1337
  43. Haewoon Nam, Young-Chai Ko, and Mohamed-Slim Alouini, "Performance Analysis of Switch-based Multiuser Scheduling with Adaptive Modulation," Proc. IEEE Int. Symp. Inform. Theory (ISIT), Nice, France, June 2007, pp. 2951-2955
  44. Haewoon Nam, Young-Chai Ko, and Mohamed-Slim Alouini, "Performance Analysis of Joint Switched Diversity and Adaptive Modulation," Sig. Proc. Wireless Commun., London, U.K., June 2007
  45. Hyon-Seung Lee, Haewoon Nam, and Young-Chai Ko, "Performance Analysis of Variable Power Allocation Schemes for Multi-Channel Wireless Systems with Adaptive Modulation," Sig. Proc. Wireless Commun., London, U.K., June 2007
  46. Haewoon Nam, Young-Chai Ko, and Mohamed-Slim Alouini, "On the Rate versus Diversity Trade-off in Multi-Channel Wireless Transmission Systems," Proc. IEEE Wireless Commun. Networking Conf. (WCNC), Hong Kong, China, Mar. 2007, pp. 1920-1925
  47. Haewoon Nam, Hyunwoo Simm, and Young-Chai Ko, "Performance Comparison of OT- MRC and MEC-GSC with dual branches over Correlated Nakagami-m Fading Channels," Joint Conf. on Commun. Inf., Pusan, Korea, Apr. 2006
  48. Youngok Kim, Haewoon Nam, and Baxter F. Womack, "An Adaptive Grouped Subcarrier Allocation Algorithm using Comparative Superiority," Proc. IEEE Military Commun. (MILCOM), Atlantic City, New Jersey, USA, Oct. 2005, vol. 2, pp. 963-969
  49. Haewoon Nam, Young-Chai Ko, and Baxter F. Womack, "Output Threshold MRC over I.I.D. Nakagami and Non-I.I.D. Rayleigh fading channels," Proc. IEEE Veh. Technol. Conf. (VTC), Dallas, Texas, USA, Sep. 2005, vol. 3, pp. 1892-1896
  50. Youngok Kim, Haewoon Nam, Sanghyun Chi, and Baxter F. Womack, "An Adaptive Patterned-Subcarrier Allocation Algorithm for Low-Complexity Multiuser OFDM System," Proc. IEEE Veh. Technol. Conf. (VTC), Dallas, Texas, USA, Sep. 2005, vol. 2, pp. 1098-1102
  51. Sungjin Kim, Haewoon Nam, and Hojin Kim, "Performance of Adaptive Precoding for Wireless MIMO Broadcast Channels with Limited Feedback," Proc. IEEE Veh. Technol. Conf. (VTC), Dallas, Texas, USA, Sep. 2005, vol. 1, pp. 487-491
  52. Haewoon Nam, and Byeong Gi Lee, "A Weighted Polling-based Reliable Multicast Protocol," Joint Conf. on Commun. Inf., Icheon, Korea, Apr. 1999, pp. 260-263

Book Chapters

  1. Hong-Chuan Yang, Young-Chai Ko, Haewoon Nam, and Mohamed-Slim Alouini, "Joint Adaptive Transmission and Switched Diversity Reception," Adaptive Signal Processing in Wireless Communications, CRC Press, 2008

Patents

  1. Haewoon Nam, and et. al., "Apparatus and method for controlling a group of drones," Korean patent, 10-2022-0019419, Oct.23,2023
  2. Haewoon Nam, and et. al., "Devices and methods for collecting datasets required for learning of an end-to-end deep learning network to implement autonomous driving," Korean patent, 10-2022-0135362
  3. Haewoon Nam, and et. al., "Apparatus of predicting line, vehicle including the same and method thereof," Korean patent, 10-2594365, Oct.23.2023
  4. Haewoon Nam, and et. al., "Apparatus and identifying burst signal and method thereof," Korean patent, 10-2458227, Oct.19,2022
  5. Haewoon Nam, and et. al., "Apparatus for sensing frequency spectrum and method thereof," Korean patent, 10-2338055, Dec.07,2021
  6. Haewoon Nam, and et. al., "Apparatus and method for estimating location of signal source," Korean patent, 10-2258548, May.25,2021
  7. Haewoon Nam, and et. al., "Receiver of blind communication system and method for operating the same," Korean patent, 10-2007879, Jul.31,2019
  8. Haewoon Nam, and et. al., "Method and device for designing non linear block using adaptive blanker based on binary phase shift keying modulation system," Korean patent, 10-2052103, Nov.28,2019
  9. Haewoon Nam, and et. al., "Equalization filter generator and method for operating the same," Korean patent, 10-1893683, Aug.24,2018
  10. Haewoon Nam, and et. al., "Cloud processor network and processor as a service for wearable processor-less future mobile IoT devices," Korean patent, 10-20180060517, Jun.07,2018
  11. Haewoon Nam, and et. al., "Method and apparatus for controlling vehicle," Korean patent, 10-1836878, Mar.05,2018
  12. Haewoon Nam, and et. al., "Indoor positioning system and method," Korean patent, 10-1877608, Jul.05,2018
  13. Haewoon Nam, and et. al., "Communication device and method for blind equalization and demodulation therein," Korean patent, 10-1896085, Aug.31,2018
  14. Haewoon Nam, and et. al., "Indoor positioning system and method," Korean patent, 10-1743348, May.29,2017
  15. Haewoon Nam, and et. al., "Method of controlling power for increasing lifespan of LED and apparatus thereof," Korean patent, 10-1664530, Oct.04,2016
  16. Haewoon Nam, and et. al., "Apparatus and method for visible light communication," Korean patent, 10-1514789, Apr.17,2015
  17. Haewoon Nam, and et. al., "Method and apparatus for impulsive noise mitigationusing adaptive blanker based on binary phase shift keying modulation system," U.S. patent, US9118370B2, Aug.25,2015
  18. Haewoon Nam, and et. al., "Method and apparatus for transmitting and receiving a signal in a communication system," U.S. patent, US8712341B2, Apr.29,2014
  19. Haewoon Nam, and et. al., "Method and apparatus for transmitting and receiving a signal in a communication system," Korean patent, 10-0957854, May.06,2010
  20. Haewoon Nam, and et. al., "Method and apparatus for transmitting and receiving a signal in a communication system," Korean patent, 10-0866615, Oct.28,2008
  21. Haewoon Nam, and et. al., "Viterbi decoder using direct memory access and method thereof," Korean patent, 10-0834663, May.27,2008

Technical Articles

  1. Haewoon Nam and Bobby Jose, "Method of reducing Soft Buffer Requirement for 3GPP LTE Incremental Redundancy Hybrid ARQ System," Motorola Defensive Publication
  2. Ketan Mandke, Haewoon Nam, Lasya Terramneni, Christian Zuniga, and Theodore Rappaport, "The Evolution of Ultra Wide Band Radio for Wireless Personal Area Networks," High Freq. Elec. Mag., vol. 2, no. 5, pp. 22-32, Sep. 2003
  3. Haewoon Nam, "60GHz Wireless Channel Measurement and Statistical Analysis," UT WNCG Networker Newsletter, Vol. 1, No. 2, Sep. 2003


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