Senior Engineer
Advanced Lab. for Communication Processor (CP)
MX division, Samsung Electronics,
Suwon, Korea
Research Interests
l AI/ML in Mobile Devices
l 5G & 6G Network s
l Radio Resource Management in Wireless Networks
l Beamforming Techniques in Cooperative Networks
Education
Ph.D., Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
Electrical Engineering, Aug. 2015
Thesis: Performance and Energy Optimization Issues in Heterogeneous Cooperative Wireless Networks
Advisor: Prof. Song Chong
M.S., Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
Electrical Engineering, Feb. 2011
Thesis: Hierarchical Radio Sharing Scheme for Wireless Network Virtualization
Advisor: Prof. Song Chong
B.S., Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea
Electrical Engineering, Feb. 2009
Professional Experiences
Samsung Electronics, MX division, Suwon, Korea
Advanced Lab. for Communication Processor (CP), Mar. 2022 ~ now
Senior Engineer
Mobile device optimization using AI/ML
Samsung Electronics, Samsung Research, Seoul, Korea
Advanced Communications Research Center, Feb. 2020 ~ Mar. 2022
Senior Engineer
Implementing pre-6G testbed L2 stack for very high throughput
Samsung Electronics, MX division, Suwon, Korea
Communication Processor (CP) Platform R&D Group, Sep. 2016 ~ Feb. 2020
Senior Engineer
CP issue debugging for 5G commercialization
Developing LTE and WiFi interworking scheme
Developing CP big data collection module
Honors and Awards
2nd KAIST-LGE 5G Paper Award, Dec. 2014
Paper title: “Virtual Cell Beamforming in Cooperative Networks”
20th SAMSUNG HumanTech Thesis Competition, Feb. 2014 (National Annual Research Paper Award in Korea)
Participation Prize (4th place in communication & networks)
Paper title: “Virtual Cell Beamforming in Cooperative Networks”
19th SAMSUNG HumanTech Thesis Competition, Feb. 2014 (National Annual Research Paper Award in Korea)
Bronze Prize (3rd place in communication & networks)
Paper title: “CSMA for Robust AP Fairness Guarantee under User Distribution Uncertainty”
19th SAMSUNG HumanTech Thesis Competition, Feb. 2014 (National Annual Research Paper Award in Korea)
List of Publications
International Journal Papers (* indicates the corresponding author)
[7] Jihwan Kim, Hyang-Won Lee*, Song Chong, “Super-MAC design for tightly coupled multi-RAT network,” IEEE Transactions on Communications, vol. 67, no. 10, pp. 6939-6951, Oct. 2019.
[6] Jeongho Kwak*, Jihwan Kim, Song Chong, “Proximity‑Aware Location Based Collaborative Sensing for Energy‑Efficient Mobile Devices,” IEEE Transactions on Mobile Computing (TMC), vol. 18, no.2, pp. 417-430, Feb. 2019.
[5] Jihwan Kim, Hyang-Won Lee*, Song Chong, “Traffic-Aware Energy-Saving Base Station Sleeping and Clustering in Cooperative Networks,” IEEE Transactions on Wireless Communications (TWC), vol. 17, no. 2, pp. 1173-1186, Feb. 2018.
[4] Changsik Lee, Jihwan Kim, Jeongho Kwak*, Eunkyung Kim and Song Chong, “Competition-based Distributed BS Power Activation and User Scheduling Algorithm," Journal of Communication and Networks (JCN), vol. 19, no. 1, pp. 41-50, Feb. 2017.
[3] Jihwan Kim, Hyang-Won Lee*, Song Chong, “Virtual cell Beamforming in Cooperative Networks,” IEEE Journal on Selected Area in Communications, Special issue on 5G Wireless Communication Systems (JSAC), vol. 32, no. 6, pp. 1126-1138, June 2014. (IF: 3.121, 5-year IF: 4.395)
[2] Jihwan Kim, Hyang-Won Lee*, Song Chong, “CSMA-based Robust AP Throughput Guarantee under User Distribution Uncertainty,” IEEE/ACM Transactions on Networking (TON), vol. 23, no. 3, pp. 782-794, June 2015. (IF: 2.014, 5-year IF: 2.733).
[1] Jihwan Kim, Joohyun Lee, Kyoho Son*, Seungho Song and Song Chong, “Two-hop Opportunistic Scheduling in Cooperative Cellular Networks,” IEEE Transactions on Vehicular Technology (TVT), vol. 61, no. 9, pp. 4194 - 4199, Nov. 2011. (IF: 2.063, 5-year IF: 2.019)
International Conference Papers
[1] Jeongho Kwak, Jihwan Kim, Song Chong, “Energy-Optimal Collaborative GPS Localization with Short Range Communication,” in Proc. IEEE 11th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt13), Tsukuba Science City, Japan, pp. 256-263, May, 2013.
[2] Jihwan Kim, Hyang-Won Lee, Song Chong, “TAES: Traffic-Aware Energy-Saving BS Sleeping and Clustering in Cooperative Networks,” accepted to IEEE13th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt15).
Domestic Journal Papers
[1] Changsik Lee*, Jihwan Kim, Jeongho Kwak, Enkyung Kim and Song Chong, “Distributed BS Transmit Power Control for Utility Maximization in Small Cell Environment,” Journal of Korea Information and Communications Society, vol. 38, Dec. 2013.
Domestic Conference Papers
[1] Jihwan Kim, Joohyun Lee, Kyuho Son, Song Chong, “A mobile relay selection algorithm in cellular networks with group mobility,” in Proc. the 20th Joint Conference on Communications and Information (JCCI), April 2010.
[2] Jihwan Kim, Jeonghoon Mo, Song Chong, “A hierarchical resource allocation scheme for inter-provider wireless infrastructure sharing,” in Proc. the 21th Joint Conference on Communications and Information (JCCI), May 2011.
[3] Jihwan Kim, Hyang-Won Le, Song Chong, “Base Station Energy Saving by Exploiting Spatio-temporal Traffic Fluctuation,” in Proc. the 25th Joint Conference on Communications and Information (JCCI), April 2015.
Patents
International Patents
[18] Jihwan Kim, Jiyoung Cha, Sangho Lee, "Electronic device for transmitting data through split bearer and method of operating electronic device," US20210022206A1, July 2020, PCT/KR2020/006813, May 2020.
[17] Soomin Lee, Junsuk Kim Jihwan Kim, Kyunghoon Lee, Chungwan Hong, Hyejeong Kim, Sangho Lee, "Method of accessing network based on access technology and electronic device therefor," US11601992B2, Sep. 2021, PCT/KR2020/006521, May 2020.
[16] Jiwan Kim, Junsuk Kim, Wonsuk Chung, Hyejeong Kim, Sangho Lee, Minjung Kim, "Electronic device and method for controlling data transmission," Application number: US11356375B2, April 2020, PCT/KR2020/005165, April 2020
[15] Wonsuk Chung, Jihwan Kim, Soomin Lee, Taeseop Lee, Jiyoung Cha, Hyejeong Kim, Sangho Lee, Suyoung Park, "Electronic device supporting addition of secondary node, and method therefor," Application number: US20220117021A1, June, 2021, PCT/KR2019/013668, Oct. 2019
[14] Wonsuk Chung, Jihwan Kim, Taeseop Lee, Jiyoung Cha, Hyejeong Kim, Sangho Lee, Suyoung Park, "Signal measurement method for adding secondary node in dual connectivity environment and electronic device of same," Application number: US20220015171A1, Nov. 2019, PCT/KR2019/015811, Nov. 2019.
[13] Jihwan Kim, Junsuk Kim, Taeseop Lee, Jiyoung Cha, Hyejeong Kim, Sangho Lee, Sumin Hwang, "Electronic device for managing bearer and operation method thereof," Application number: US11304194B2, Nov. 2019, PCT/KR2019/015272, Nov. 2019.
[12] Jihwan Kim, Kyunghoon Lee, Soomin Lee, Hyejeong Kim, Sangho Lee, Mooyong Kim, "Electronic device for preventing packet drop for uplink transmission," Application number: US11147086B2, Sep. 2019, PCT/KR2019/012040, Sep. 2019.
[11] Jihwan Kim, Hansung Leem, Hyejeong Kim, Junghoon Ahn, Junkeun Yoon, Juhee Jang, "Network selection method and apparatus therefor," Application number: US10667153B2, Sep. 2017. KR20180028847A, Sep. 2016.
[10] Hyunsoo Ko, Changsik Lee, Jihwan Kim, Jaehoon Chung and Song Chong , “METHOD FOR MANAGING WIRELESS RESOURCE AND APPARATUS THEREFOR,” Application number: WO2014/196716, PCT/KR2014/001145, December 11, 2014.
[9] Hyunsoo Ko, Changsik Lee, Jihwan Kim, Jaehoon Chung and Song Chong , “METHOD FOR MANAGING WIRELESS RESOURCE AND APPARATUS THEREFOR,” Application number: WO2014/196715, PCT/KR2014/001142, December 11, 2014.
[8] Hyunsoo Ko, Jaehoon Chung, Song Chong, Jihwan Kim, and Changsik Lee, “METHOD FOR MANAGING WIRELESS RESOURCE AND APPARATUS THEREFOR,” Application number: WO2014/196714, PCT/KR2014/001141, December 11, 2014.
[7] Jeongho Kwak, Jaewon Lim, Jihwan Kim, Song Chong, Jeonghoon Mo, and Byounghoon Kim “APPARATUS AND METHOD FOR SELECTING PROCESSING SPEED OF PROCESSOR AND WIRELESS NETWORKS,” Application number: US20140106827 A1, US14/055,664, October 16, 2013
[6] Jihwan Kim, Byounghoon Kim, Jeonghoon Mo, Jeongho Kwak, Jaewon Lim and Song Chong, “METHOD AND APPARATUS FOR ALLOCATING MINIMUM GUARANTEED RESOURCE AMOUNT TO ACCESS POINT IN WIRELESS ACCESS SYSTEM,” Application number: WO2013/047952, PCT/KR2011/009611, April 4, 2013.
[5] Jeongho Kwak, Byounghoon Kim, Jeonghoon Mo, Jihwan Kim, Jaewon Lim and Song Chong, “METHOD AND APPARATUS FOR MEASURING A POSITION IN A WIRELESS ACCESS SYSTEM,” Application number: WO2013/042828, PCT/KR2011/009612, March 28, 2013.
[4] Jaewon Lim, Jeonghoon Mo, Jihwan Kim, Jeongho Kwak, Byounghoon Kim and Song Chong, “APPARATUS AND METHOD FOR TRANSMITTING FEEDBACK INFORMATION USING TERMINAL ACCESSIBILITY IN A WIRELESS ACCESS SYSTEM,” Application number: WO2013/015500, PCT/KR2012/000196, January 31, 2013.
[3] Jaewon Lim, Song Chong, Jeonghoon Mo, Jihwan Kim and Jeongho Kwak, “METHOD AND DEVICE FOR REMOVING INTER-CELL INTERFERENCE OF AN ACCESS POINT IN A WIRELESS ACCESS SYSTEM,” Application number: WO2012/115339, PCT/KR2011/009609, August 30, 2012.
[2] Jihwan Kim, Byounghoon Kim, Song Chong, Jeonghoon Mo, Jaewon Lim, Jeongho Kwak, “SCHEDULING IN CONSIDERATION OF TERMINAL GROUPS IN A MOBILE COMMUNICATION SYSTEM,” Application number: WO2012/030037, PCT/KR2011/001737, March 8, 2012.
[1] Jaewon Lim, Song Chong, Jeonghoon Mo, Jihwan Kim, Byounghoon Kim and Jeongho Kwak, “METHOD AND TERMINAL FOR SEARCHING FOR AN ACCESS POINT,” Application number: WO2012/023683, PCT/KR2011/001439, February 23, 2012.
Domestic Patents
[6] Sangil Lee, Song Chong, Jihwan Kim and Joohyun Lee, “DEVICE FOR TRANSFERRING DATA, METHOD FOR TRANSFERRING DATA USING SERVICE LEVEL AGREEMENT INFORMATION,” Korea Patent, Publication number: 10-1339106, December 11, 2013.
[5] Sangil Lee, Song Chong, Joohyun Lee and Jihwan Kim, “METHOD FOR DATA TRANSMITTING AND RECEIVING OF A BASE STATION AND MOBILE TERMINALS, AND DATA TRANSMITTING SYSTEM,” Korea Patent, Publication number: 10-1337539, November 29, 2013.
[4] Song Chong, Jeongho Kwak, Jihwan Kim and Jaesung Jung, “APPARATUS AND METHOD FOR FINDING WIRELESS NETWORKS BASED ON LOCATION HISTORY,” Korea Patent, Publication number: 10-1274951, June 10, 2013.
[3] Song Chong, Jeongho Kwak and Jihwan Kim, “METHOD FOR ENERGY SAVING OF WIRELESS LAN IN WLAN/CELLULAR DUAL MODE DEVICE,” Korea Patent, Publication number: 10-1261364, April 30, 2013.
[2] Sangil Lee, Song Chong, Jihwan Kim and Joohyun Lee, “METHOD FOR TRANSFERRING DATA USING MOBILE RELAY IN NETWORK WITH GROUP MOBILITY AND DEVICE THEREOF,” Korea Patent, Publication number: 10-1153301, May 30, 2012.
[1] Song Chong, Kyunghan Lee, Junhee Lee, Jihwan Kim and Jeongho Kwak, “SYSTEM FOR COLLISION PREVENTION BETWEEN VEHICLES BASED ON GRAPH,” Korea Patent, Publication number: 10-1086281, November 17, 2011.