Papers and Books

International Conference and Workshop Papers 

1. J Cha, YG Moon, S Cho, D Kim, J Choi, J Jung, J Lee, S Choi, "RAN-CN Converged User-Plane for 6G Cellular Networks," IEEE Globecom, 2022. 

2. J Choi, N Sharma, SS Gantha, V Mandawaria, J Cha, D Kim, J Jung, J Lee, S Choi, "RAN-CN Converged Control-Plane for 6G Cellular Networks, IEEE Globecom, 2022. 

3. B Yu, C Qian, J Lee, S Shao, Y Shen, W Pan, P Lin, Z Zhang, J Jung, S Choi, C Sun, S Hu, "Realizing High Power Millimeter Wave Full Duplex: Practical Design, Prototype and Results," IEEE Globecom, 2022. 

4. D Je, A Deshmukh, S Cho, D Kim, N Sharma, J Jung, J Lee, S Choi, "Selective User Plane (UP) Security for Throughput Enhancement in Mobile Communication," IEEE Globecom Workshops (GC Wkshps), 2022.

5. S Kim, K Lee, Y Bin, C Qian, J Jung, J Lee, S Choi, "Measurement and System-level Evaluation of Inter-Sector Self-Interference on Full Duplex in mmWave Band," IEEE ICC 2022, May 2022

6. S Lee, W Jeong, J Jung, J Lee, S Choi, "A New Preamble Signal Design for Random Access in Sub-Terahertz 6G Cellular Systems," IEEE ICC Workshop, May 2022. 

7. D Jung, CJ Park, JW Seo, TS Kwon, JG Jeong, SH Wi, I Na, S Choi, “Stub-Loaded Sub-Terahertz Wideband Antenna Design and Measurement,” 16th European Conference on Antennas and Propagation (EuCAP), 1-4, 2022.

8. M Choi, K Kim, H Jang, H Woo, JS Pujol-Roig, Y Wang, H Yeon, S Choi, “Cell On/Off Parameter Optimization for Saving Energy via Reinforcement Learning,” 2021 IEEE Globecom Workshops (GC Wkshps), 2021.

9. H Jang, S Jang, Y Park, J Jung, J Lee, S Choi, “SeqNet: Data-Driven PAPR Reduction via Sequence Classification,” 2021 IEEE Globecom Workshops (GC Wkshps), 2021.

10. SH Kim, BH Jung, J Jung, J Lee, S Choi, “ODC: Orchestration for Dynamic Coupling between Satellites and Cells via Reinforcement Learning,” 2021 IEEE Globecom Workshops (GC Wkshps), 2021.

11. Youngwook Son, Kanghyun Lee, Seongwon Kim, Jinmyeong Lee, Sunghyun Choi, and Saewoong Bahk, "REFRAIN: Promoting Valid Transmissions in High-Density Modern Wi-Fi Networks," ACM MobiHoc 2020, Online, Oct. 11-13, 2020. (Acceptance ratio: 30/196 = 15.3%)

12. Kyungjin Lee, Juheon Yi, Youngki Lee, Sunghyun Choi, and Young Min Kim, "GROOT: A Real-time Streaming System for High-Fidelity Volumetric Videos," ACM MobiCom 2020, Online, Sept. 21-25, 2020. (Acceptance rate: 39/218 = 17.8%, winter round)

13. Juheon Yi, Sunghyun Choi, and Youngki Lee, "EagleEye: Wearable Camera-based Person Identification in Crowded Urban Spaces," ACM MobiCom 2020, Online, Sept. 21-25, 2020. (Acceptance ratio: 24/139 = 17.2%, summer round)

14. Yeonchul Shin, Jaewon Hur, Gyujin Lee, Jonghoe Koo, , Junyoung Choi, Sung-Ju Lee, and Sunghyun Choi, "EV-CAST: Interference and Energy-Aware Video Multicast Exploiting Collaborative Relays," in Proc. IEEE MASS 2019, Monterey, CA, USA, Nov. 4-7, 2019. 

15. Hwijae Kwon, Seongwon Kim, Youngwook Son, Changmok Yang, Seongho Byeon, and Sunghyun Choi, "AWARE: Adaptive Wi-Fi Power Save Operation Coexisting with LTE-U," in Proc. IEEE MASS 2019, Monterey, CA, USA, Nov. 4-7, 2019. 

16. Seongwon Kim, Youngwook Son, Kanghyun Lee, Jaehong Yi, and Sunghyun Choi, "Quiet CTS: CTS Power Control for Better Spatial Reuse in Wi-Fi," in Proc. ACM MobiHoc 2019, Catania, Italy, July 2-5, 2019. (Acceptance ratio: 23.71% = 37/156) 

17. Chulyoung Kwak, Seongwon Kim, Soonwon Ka, Jihwan Lee, and Sunghyun Choi, "No Entry: Anti-Noise Energy Detector for Chirp-Based Acoustic Communication," in Proc. IEEE SECON 2019, Boston, USA, June 10-13, 2019. (Acceptance ratio: 28.6% = 54/189) 

18. Siyoung Choi, Junghwan Song, Junseok Kim, Suhun Lim, Sunghyun Choi, Ted Taekyoung Kwon, and Saewoong Bahk, “5G K-SimNet: End-to-End Performance Evaluation of 5G Cellular Systems," in Proc. IEEE CCNC 2019 Workshop on 5G Simulators and Testbeds, Las Vegas, NV, USA, Jan. 11-14, 2019.                              

19. Junseok Kim, Dongmyoung Kim, and Sunghyun Choi, "3GPP SA2 Architecture and Functions for 5G System," a poster presentation in ICTC 2018, Jeju, South Korea, Oct. 17-19, 2018. (A poster presentation) 

20. Kangjin Yoon, Weiping Sun, and Sunghyun Choi, "COALA: Collision-Aware Link Adaptation for LTE in Unlicensed Band," in Proc. IEEE SECON 2018, Hong Kong, June 11-13, 2018. (Acceptance ratio: 23.2% = 49/211) 

21. Juheon Yi, Weiping Sun, Jonghoe Koo, Seongho Byeon, Jaehyuk Choi, and Sunghyun Choi, "BlueScan: Boosting Wi-Fi Scanning Efficiency Using Bluetooth Radio," in Proc. IEEE SECON 2018, Hong Kong, June 11-13, 2018. (Acceptance ratio: 23.2% = 49/211) 

22. Junyoung Choi, Gyujin Lee, Yeonchul Shin, Jonghoe Koo, Minseok Jang, and Sunghyun Choi, "BLEND: BLE Beacon-Aided Fast WiFi Handoff for Smartphones," in Proc. IEEE SECON 2018, Hong Kong, June 11-13, 2018. (Acceptance ratio: 23.2% = 49/211) 

23. Kitaek Lee, Sundo Kim, Junseok Kim, and Sunghyun Choi, "DRaMA: Device-specific Repetition-aided Multiple Access for Ultra-Reliable and Low-Latency Communication," in Proc. IEEE ICC 2018, Kansas City, MO, USA, May 20-24, 2018.  

24. Seongho Byeon, Hwijae Kwon, Youngwook Son, Changmok Yang, and Sunghyun Choi, "RECONN: Receiver-Driven Operating Channel Width Adaptation in IEEE 802.11ac WLANs," in Proc. IEEE INFOCOM 2018, Honolulu, Hawaii, USA, Apr. 15-19, 2018. (Acceptance Ratio: 19.2% = 309/1606) 

25. Changmok Yang, Seongho Byeon, Peter Ruckebusch, Spilios Giannoulis, Ingrid Moerman, and Sunghyun Choi, "Implementation of PHY Rate and A-MPDU Length Adaptation Algorithm on WiSHFUL Framework," in Proc. IEEE ICTC 2017, Jeju, South Korea, Oct. 18-20, 2017. 

26. Sunwook Hwang, Kanjin Yoon, and Sunghyun Choi, "Channel Switching Operation of LTE-LAA in Unlicensed Spectrum," in Proc. IEEE ICTC 2017, Jeju, South Korea, Oct. 18-20, 2017. 

27. Jonghoe Koo, Juheon Yi, Joongheon Kim, Mohammad A. Hoque, and Sunghyun Choi, "REQUEST: Seamless Dynamic Adaptive Streaming over HTTP for Multi-Homed Smartphone under Resource Constraints," in Proc. ACM Multimedia 2017, Mountain View, USA, Oct. 23-27, 2017. (Acceptance ratio: 28.3% = 191/675) 

28. Weiping Sun, Jeongyeup Paek, and Sunghyun Choi, "CV-Track: Leveraging Carrier Frequency Offset Variation for BLE Signal Detection," in Proc. ACM HotWireless 2017, Snowbird, Utah, USA, Oct. 16, 2017. 

29. Weiping Sun, Jonghoe Koo, Seongho Byeon, Woojin Park, Sangsoon Lim, Daehyun Ban, and Sunghyun Choi, "BlueCoDE: Bluetooth Coordination in Dense Environment for Better Coexistence," in Proc. IEEE ICNP 2017, Toronto, Canada, Oct. 10-13, 2017. (Acceptance ratio: 18.7% = 39/209) 

30. Hoyoung Yoon, Seungil Park, and Sunghyun Choi, "Efficient Feedback Mechanism and Rate Adaptation for LTE-based D2D Communication," in Proc. IEEE WoWMoM 2017, Macau, China, June 12-15, 2017.  (Invited paper)

31. Yeonchul Shin, Gyujin Lee, Junyoung Choi, Jonghoe Koo, Sung-Ju Lee, and Sunghyun Choi, "InFRA: Interference-Aware PHY/FEC Rate Adaptation for Video Multicast over WLAN," in Proc. IEEE SECON 2017, San Diego, CA, USA, June 12-14, 2017. (Acceptance ratio: 26.47% = 45/170) 

32. Gyujin Lee, Yeonchul Shin, Jonghoe Koo, Junyoung Choi, and Sunghyun Choi, "ACT-AP: ACTivator Access Point for Multicast over WLAN," in Proc. IEEE INFOCOM 2017, Atlanta, GA, USA, May 1-4, 2017. (Acceptance ratio: 20.93% = 292/1395) [Slides]

33. Seongho Byeon, Kangjin Yoon, Changmok Yang, and Sunghyun Choi, "STRALE: Mobility-Aware PHY Rate and Frame Aggregation Length Adaptation in WLANs," in Proc. IEEE INFOCOM 2017, Atlanta, GA, USA, May 1-4, 2017. (Acceptance ratio: 20.93% = 292/1395) [Slides]

34. Seongwon Kim, Jaehong Yi, Youngwook Son, Seungmin Yoo, and Sunghyun Choi, "Quiet ACK: ACK Transmit Power Control in IEEE 802.11 WLANs," in Proc. IEEE INFOCOM 2017, Atlanta, GA, USA, May 1-4, 2017. (Acceptance ratio: 20.93% = 292/1395) [Slides]

35. Kangjin Yoon, Taejun Park, Jihoon Kim, Weiping Sun, Sunwook Hwang, Ingab Kang, and Sunghyun Choi, "COTA: Channel Occupancy Time Adaptation for LTE in Unlicensed Spectrum," in Proc. IEEE DySPAN 2017, Baltimore, MD, USA, Mar. 8, 2017. 

36. Seongwon Kim, Chan-Byoung Chae, and Sunghyun Choi, "MASTaR: MAC Protocol for Access Points in Simultaneous Transmit and Receive Mode," in Proc. IEEE GLOBECOM 2016 Workshop on Full Duplex Wireless Communications, Washington, D.C., Dec. 8, 2016. 

37. Kitaek Lee, Jonghoe Koo, Weiping Sun, and Sunghyun Choi, "Power Consumption Modeling of BLE Advertising Devices," in Proc. ICTC 2016, Jeju, South Korea, Oct. 19-21, 2016. 

38. Soonwon Ka, Tae Hyun Kim, Jae Yeol Ha, Sun Hong Lim, Su Cheol Shin, Jun Won Choi, Chulyoung Kwak, and Sunghyun Choi, "Near-Ultrasound Communication for TV's 2nd Screen Services," in Proc. ACM MobiCom 2016, New York, USA, Oct. 3-7, 2016. (acceptance ratio: 14.16% = 32/226) [Video] 

39. Yeonchul Shin, Seungkyu Baek, Sunghyun Choi, and Byeong Gi Lee, "Scalable Video Multicast Using Flexible Multicast Service over IEEE 802.11 WLAN," in Proc. IEEE ICC 2016, Kuala Lumpur, Malaysia, May 23-27, 2016.   

40. Weiping Sun, Changmok Yang, Sunggeun Jin, and Sunghyun Choi, "Listen Channel Randomization for Faster Wi-Fi Direct Device Discovery," in Proc. IEEE INFOCOM 2016, San Francisco, CA, USA, April 10-15, 2016. (acceptance ratio: 18.25% = 300/1644) 

41. Jonghoe Koo, Kitaek Lee, Wonbo Lee, Yongseok Park, and Sunghyun Choi, "BattTracker: Enabling Energy Awareness for Smartphone Using Li-ion Battery Characteristics," in Proc. IEEE INFOCOM 2016, San Francisco, CA, USA, April 10-15, 2016. (acceptance ratio: 18.25% = 300/1644) 

42. Seungmin Yoo, Seongwon Kim, Youngwook Son, Jaehong Yi and Sunghyun Choi, "Practical Antenna Selection for WLAN AP," in Proc. IEEE INFOCOM 2016, San Francisco, CA, USA, April 10-15, 2016. (acceptance ratio: 18.25% = 300/1644) 

43. Seongwon Kim, Yeonchul Shin, Seungmin Yoo, and Sunghyun Choi, “JACPoT: A Joint Algorithm for Channel and Power Assignment in Enterprise Wireless Networks,” in Proc. IEEE GLOBECOM 2015, San Diego, CA, USA, Dec. 6-10, 2015. 

44. Seungil Park and Sunghyun Choi, "Semi-Distributed Resource Selection for D2D Communication in LTE-A Network," in Proc. IEEE GLOBECOM 2015, San Diego, CA, USA, Dec. 6-10, 2015. 

45. Seungil Park, Sunghyun Choi, and Byeong Gi Lee, "Game Theory-based Power Allocation Strategy for D2D Communication in Multi-Cell Environment," in Proc. ICTC 2015, Jeju, South Korea, Oct. 28-30, 2015. 

46. Jonghoe Koo, Wonbo Lee, Yongseok Park, and Sunghyun Choi, "PIMM: Packet Interval-Based Power Modeling of Multiple Network Interface-Activated Smartphones," in Proc. ACM e-Energy 2015, Bangalore, India, Jul. 14-17, 2015. (full paper, acceptance ratio of "full" papers: 22.8%=16/70) 

47. Carolina Fortuna, Peter Ruckebusch, Christophe Van Praet, Ingrid Moerman, Nicholas Kaminski, Luiz DaSilva, Ilenia Tinirello, Giuseppe Bianchi, Francesco Gringoli, Anatolij Zubow, Mikolaj Chwalisz, Adam Wolisz, Robin Leblon, Ivan Seskar, Sunghyun Choi, and Jose F. de Rezende, "Wireless Software and Hardware platforms for Flexible and Unified radio and network controL," in Proc. EuCNC 2015 Workshop on 5G Testbeds and Hands-On Experimental Research, Paris, France, Jun. 29 - Jul. 2, 2015. 

48. Okhwan Lee, Jihoon Kim, and Sunghyun Choi, "WiZizz: Energy Efficient Bandwidth Management in IEEE 802.11ac Wireless Networks," in Proc. IEEE SECON 2015, Seattle, USA, Jun. 22-25, 2015. (acceptance ratio: 28.4% = 55/194)  

49. Seongho Byeon, Changmok Yang, Okhwan Lee, Kangjin Yoon, and Sunghyun Choi, "Enhancement of Wide Bandwidth Operation in IEEE 802.11ac Networks," in Proc. IEEE ICC 2015, London, UK, Jun. 8-12, 2015. 

50. Okhwan Lee, Weiping Sun, Jihoon Kim, Hyuk Lee, Bo Ryu, Jungwoo Lee, and Sunghyun Choi, "ChASER: Channel-Aware Symbol Error Reduction for High-Performance WiFi Systems in Dynamic Channel Environment," in Proc. IEEE INFOCOM 2015, Hong Kong, Apr. 26 - May 1, 2015. (acceptance ratio: 19% = 316/1640)  

51. Hyewon Lee, Tae Hyun Kim, Jun-Won Choi, and Sunghyun Choi, "Chirp Signal-Based Aerial Acoustic Communication for Smart Devices," in Proc. IEEE INFOCOM 2015, Hong Kong, Apr. 26 - May 1, 2015. (acceptance ratio: 19% = 316/1640) 

52. Byungkab Jo, Taejun Park, Wonbo Lee, Bo Ryu, and Sunghyun Choi, "IISRA: Inter-cell Interference Separation-based Resource Allocation for VoLTE," in Proc. IEEE GLOBECOM 2014, Austin, Texas, USA, Dec. 8-12, 2014. 

53. Seungil Park and Sunghyun Choi, "Expediting D2D Discovery by Using Temporary Discovery Resource," in Proc. IEEE GLOBECOM 2014, Austin, Texas, USA, Dec. 8-12, 2014. 

54. Seongho Byeon, Kangjin Yoon, Okhwan Lee, Woonsun Cho, Seungseok Oh, and Sunghyun Choi, "MoFA: Mobility-aware Frame Aggregation in Wi-Fi," in Proc. ACM CoNEXT 2014, Sydney, Australia, Dec. 2-5, 2014. (long paper, acceptance ratio of "long" papers: 20.3%=27/133)  

55. Jongwoo Hong, Seungil Park, and Sunghyun Choi, “Neighbor Device-Assisted Beacon Collision Detection Scheme for D2D Discovery,”  in Proc. ICTC 2014, Busan, Korea, Oct. 22-24, 2014. (invited paper) 

56. Wonbo Lee, Jonghoe Koo, Sunghyun Choi, and Yong Seok Park, "ESPA: Energy, Usage ($), and Performance-Aware LTE-WiFi Adaptive Activation Scheme for Smartphones," in Proc. IEEE WoWMoM 2014, Sydney, Australia, Jun. 16-19, 2014.  (regular paper, acceptance ratio of "regular" papers: 20.2%=23/114) 

57. Seungmin Yoo, Yeonchul Shin, Seongwon Kim, and Sunghyun Choi, "Toward Realistic WiFi Simulation with Smartphone“Physics”," in Proc. IEEE WoWMoM 2014, Sydney, Australia, Jun. 16-19, 2014. (short paper)  

58. Dongmyoung Kim, Seongwon Kim, Hyoil Kim, and Sunghyun Choi, "Pricing Policies for Femtocell Service Adoption in Two-tier Cellular Networks," in Proc. IEEE ICC 2014, Sydney, Australia, Jun. 10-14, 2014. 

59. Edwin Monroy and Sunghyun Choi, "Linear Transceiver Design for MIMO Relay Broadcast Channels with Max-Min Fairness," in Proc. IEEE VTC 2014-Spring, Seoul, Korea, May 18-21, 2014. 

60. Munhwan Choi, Weiping Sun, Jonghoe Koo, Sunghyun Choi, and Kang G. Shin, "Reliable Video Multicast over Wi-Fi Networks with Coordinated Multiple APs,"  in Proc. IEEE INFOCOM 2014, Toronto, Canada, Apr. 27 - May 2, 2014. (Acceptance ratio: 19.4%=320/1645) 

61. Junsu Choi, Hyoungjoo Lee, Sunghyun Choi, and Kwang Bok Lee, "A Novel Theoretical Throughput Estimation Method for IEEE 802.11 WLANs," in Proc. IEEE GLOBECOM 2013, Atlanta, Georgia, USA, Dec. 9-13, 2013. 

62. Edwin Monroy, Sunghyun Choi, and Bijan Jabbari, "Linear Transmit-Receive Beamforming Design for MIMO Relay Broadcast Channels," in Proc. ICTC 2013, Jeju, Korea, Oct. 14-16, 2013. 

63. Jonghoe Koo, Wonbo Lee, and Sunghyun Choi, "Wifi Centric Power Modeling of Smartphones," in Proc. ACM WiNTECH 2013, Miami, Florida, USA, Sep. 30, 2013. (Demo Presentation) 

64. Jongwoo Hong, Seungil Park, Hakseong Kim, Sunghyun Choi and Kwang Bok Lee, "Analysis of Device-to-Device Discovery and Link Setup in LTE Networks," in Proc. IEEE PIMRC 2013, London, UK, Sept. 8-11, 2013. 

65. Kyuhwan Kwak, Hyewon Lee, Hui Won Je, Jongwoo Hong, and Sunghyun Choi, "Adaptive and Distributed CoMP Scheduling in LTE-Advanced Systems," in Proc. IEEE VTC 2013-Fall, Las Vegas, Nevada, USA, Sept. 2-5, 2013. 

66. Kyungjoo Suh, and Sunghyun Choi, "A Security Mechanism for Public Warning System in LTE," in Proc. IEEE APWCS 2013, Seoul, Korea, August 22-23, 2013. 

67. Seongwon Kim, Seungmin Yoo, Yeonchul Shin, and Sunghyun Choi, "A Novel Metric for Dynamic Channel Assignment in Enterprise Wireless Networks," in Proc. IEEE ICUFN 2013, Da Nang, Vietnam, July 2-5, 2013. (invited paper) 

68. Dongmyoung Kim and Sunghyun Choi, "Load Balancing in Open Access Femtocell Based Two-Tier Cellular Networks," in Proc.IEEE GLOBECOM 2012, Anaheim, California, USA, December 3-7, 2012.

69. Edwin Monroy, Sunghyun Choi, and Bijan Jabbari, "A Practical Transmission Scheme for Half-Duplex Decode-and-Forward MIMO Relay Channels," in Proc. IEEE GLOBECOM BWA Workshop 2012, Anaheim, California, USA, Dec. 3, 2012. 

70. Youngsoo Kim, Edwin Monroy, Okhwan Lee, Kyung-Joon Park, and Sunghyun Choi, "Adaptive Two-Level Frame Aggregation in IEEE 802.11n WLAN," in Proc. APCC 2012, Jeju Island, Korea, October 15-17, 2012. 

71. Ildefonso de la Cruz, Okhwan Lee, and Sunghyun Choi, "Measurement-Based Call Admission Control Algorithm for Multi-Rate VoWLANs," a poster presentation at IEEE SECON 2012, Seoul, Korea, June 18-21, 2012. (A poster presentation)

72. Seongho Byeon, Hyewon Lee, Joo Il Kim, Woon Sun Cho, and Sunghyun Choi, "Designing Adaptive RTS for MadWifi-Based WLAN Device," in Proc. IEEE ICUFN 2012, Phuket, Thailand, July 4-6, 2012. (invited paper) 

73. Byoungjin Kim, Hyewon Lee, Seongho Byeon, Kwang Bok Lee, and Sunghyun Choi, "Enhancing QoS of Voice over WLANs," in Proc. IEEE WoWMoM 2012, San Francisco, California, USA, June 25-28, 2012. 

74. Wonbo Lee, Dongmyoung Kim, Seunghyun Choi, Kyung-Joon Park, Sunghyun Choi, and Kiyoung Han, "Self-Optimization of RACH Power Considering Multi-cell Outage in 3GPP LTE Systems," in Proc. IEEE VTC 2012-Spring, Yokohama, Japan, May 6-9, 2012. 

75. Hui Won Je, Hyewon Lee, Kyuhwan Kwak, Sunghyun Choi, Young-Jun Hong, and Bruno Clerckx, "Long-Term Channel Information-Based CoMP Beamforming in LTE-Advanced Systems," in Proc. IEEE GLOBECOM 2011, Houston, Texas, USA, Dec. 5-9, 2011. 

76. Seunghyun Choi, Wonbo Lee, Dongmyoung Kim, Kyung-Joon Park, Kiyoung Han, and Sunghyun Choi, "Automatic Configuration of Random Access Channel Parameters in LTE Systems," in Proc. IFIP Wireless Days 2011, Ontario, Canada, Oct. 10-12, 2011. 

77. Seonwook Kim, Seoshin Kwack, Sunghyun Choi, and Byeong Gi Lee, "Enhanced Collision Arbitration Protocol Utilizing Multiple Antennas in RFID Systems," in Proc. APCC 2011, Sabah, Malaysia, Oct. 2-5, 2011. 

78. Yeonchul Shin, Munhwan Choi, Jonghoe Koo, Young-Doo Kim, Jong-Tae Ihm, and Sunghyun Choi, "Empirical Analysis of Video Multicast over WiFi," in Proc. ICUFN 2011, Dalian, China, June. 15-17, 2011. (invited paper) 

79. Kwanghun Han, Seunghyun Choi, Du Ho Kang, Sunghyun Choi, "Game based Self-Organizing Scheme for Femtocell Networks," in Proc.GameNets 2011, Shanghai, China, Apr. 16-18, 2011. (invited paper) 

80. Dongmyoung Kim and Sunghyun Choi, "Load Balancing with Mobile Base Stations in Tactical Information Communication Networks," in Proc. IEEE WCNC 2011, Cancun, Mexico, Mar. 28-31, 2011. 

81. Dongmyoung Kim, Han Young Yim, Byong Ok Lee, Seunghyun Choi, Sunghyun Choi, and Kwang Bok Lee, "Load-Aware Beamforming and Association for System-Wide Utility Maximization," in Proc. ICTC 2010, Jeju, Korea, Nov. 17-19, 2010. 

82. Dongmyoung Kim, Du Ho Kang, and Sunghyun Choi, "Effective SNR Based Handoff Scheme in Heterogeneous Cellular Environments," in Proc. IEEE VTC2010-Fall, Ottawa, Canada, Sep. 6-9, 2010. 

83. Jeonggyun Yu, Munhwan Choi, Sunghyun Choi, and Daji Qiao, "Improving VoIP Capacity in Multi-Rate IEEE 802.11e WLANs via Relay," in Proc. ICEIC 2010, Cebu, Philippines, Jun. 30-Jul. 2, 2010. 

84. Kwanghun Han, Seungmin Woo, Du Ho Kang, and Sunghyun Choi, "Automatic Neighboring BS List Generation Scheme for Femtocell Network," in Proc. ICUFN 2010, Jeju Island, Korea, Jun. 16-18, 2010.  (invited paper)

85. Du Ho Kang, Youngkyu Choi, Dongmyoung Kim, and Sunghyun Choi, "QoS-Aware Load Indicators for Intelligent Cell Selection," in Proc.IEEE APWCS 2010, National Sun Yat-sen University, Kaohsiung, Taiwan, May 20-21, 2010. 

86. Kiran T. Nath, Dongmyoung Kim, and Sunghyun Choi, "Association Control Based Load Balancing for Tactical Information Communication Networks," in Proc. IEEE VTC2010-Spring, Taipei, Taiwan, May 16-19, 2010. 

87. Seonwook Kim, Seoshin Kwack, Sunghyun Choi, and Byeong Gi Lee, "Hybrid Resource Request Protocol over Multiple Receive Antennas in Wireless Communication Systems," in Proc. IEEE ICC 2010, Cape Town, South Africa, May 23-27, 2010. 

88. Hua Cai, Dongmyoung Kim, Seunghyun Choi, Dongwook Kim, Seongwoo Kang, Kyung-ryeol Lee, Sunghyun Choi, and Hanyong Jang, "Measurement-Based Low-Level Performance Analysis of IEEE 802.16e/WiBro Networks," in Proc. ICOIN 2010, Busan, Korea, Jan. 27-29, 2010. 

89. Jeonggyun Yu, Munhwan Choi, Daji Qiao, and Sunghyun Choi, "Supporting VoIP Services in IEEE 802.11e WLANs," in Proc. QShine 2009, Las Palmas de Gran Canaria, Spain, November 23-25, 2009.  (invited paper)

90. Xiaofei Wang, Hyun-chul Kim, Taekyoung Kwon, Yanghee Choi, Sunghyun Choi, and Hanyoung Jang, "Measurement and Analysis of World of Warcraft in Mobile WiMAX Networks," in Proc. NetGames 2009, Paris, France, Nov. 23-24, 2009. 

91. Lochan Verma, Seongkwan Kim, Sunghyun Choi, and Sung-Ju Lee, "AGILE Rate Control for IEEE 802.11 Networks," in Proc. FGCN'09, Jeju Island, South Korea, Dec. 10-12, 2009. 

92. Youngwoo Hwang, Hyewon Lee, Kwanghun Han, and Sunghyun Choi, "AP Selection Strategy Considering Heterogeneous Power Constrained Channels in WLANs," a poster presented in ACM MobiCom'09, Beijing, China, September 20-25, 2009.  (A poster presentation)

93. Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee, "On Optimal Route Construction in Wireless Mesh Networks," in Proc.IEEE PIMRC'09, Tokyo, Japan, Sept. 13-16, 2009. 

94. Tae Hyun Kim and Sunghyun Choi, "Interference Mitigation via Scheduling for the MIMO Broadcast Channel with Limited Feedback," in Proc. IEEE PIMRC'09, Tokyo, Japan, Sept. 13-16, 2009. 

95. Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee, "MAC-Aware Routing Metric for 802.11 Wireless Mesh Networks," in Proc. IEEE PIMRC'09, Tokyo, Japan, Sept. 13-16, 2009. 

96. Sunggeun Jin, Sunghyun Choi, and Kwang Bok Lee, "Effectiveness of Common Channel in Narrow Band Single Carrier Systems," in Proc.International Conference on Information & Communications Technologies (ICICT 2009), Ulaanbaatar, Mongolia, August 12-14, 2009. 

97. Dongmyoung Kim, Hua Cai, and Sunghyun Choi, "Measurement and Analysis of One-Way Delays over IEEE 802.16e/WiBro Network," in Proc. IEEE VTC'09-Fall, Anchorage, Alaska, USA, September 20, 2009. 

98. Kwanghun Han, Youngkyu Choi, Minsoo Na, Dongmyoung Kim, Sunghyun Choi, and Kiyoung Han, "Optimization of Femtocell Network Configuration under Interference Constraints," in Proc. WiOpt '09, Seoul, Korea, June 23-27, 2009. 

99. Hyewon Lee, Kwanghun Han, Youngwoo Hwang, and Sunghyun Choi, "Opportunistic Band Sharing for Point-to-Point Link Connection of Cognitive Radios," in Proc. CrownCom '09, Hannover, Germany, June 22-24, 2009. 

100. Hyewon Lee, Kwanghun Han, Youngwoo Hwang, and Sunghyun Choi, "On the Multi-Channel Access Schemes of the Evolving WLANs," in Proc. CFI '09, Seoul, Korea, June 17-19, 2009. 

101. Xiaofei Wang, Hua Cai, Hyunchul Kim, Taekyoung Kwon, Yanghee Choi, and Sunghyun Choi, "Can We Enjoy Internet Online Game Accessed via the WiBro/IEEE802.16e Network?," in the Student Workshop of the 10th Passive and Active Measurement (PAM 2009) conference, April 2009.

102. Heeyoung Lee, Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee, "Available Bandwidth-Based Association in IEEE 802.11 Wireless LANs," in Proc. ACM MSWiM 2008, Vancouver, Canada, Oct. 27-31, 2008.  (Acceptance ratio for "regular" papers: 21.3%=40/188)

103. Maria Samokhina, Kirill Moklyuk, Sunghyun Choi, and Jun Heo, "Raptor Code-Based Video Multicast over IEEE 802.11 WLAN," in Proc.IEEE APWCS 2008, Tohoku University, Sendai, Japan, Aug 21-22, 2008. 

104. Minsoo Na, Youngkyu Choi, Dongmyoung Kim, Kwanghun Han, and Sunghyun Choi, "On Utilizing Preamble Code Sequence as Implicit Load Indicator," in Proc. IEEE APWCS 2008, Tohoku University, Sendai, Japan, Aug 21-22, 2008. 

105. Lochan Verma, Seongkwan Kim, Sunghyun Choi, and Sung-Ju Lee, "Reliable, Low Overhead Link Quality Estimation for 802.11 Wireless Mesh Networks," in Proc. IEEE WiMesh 2008, San Francisco, California, USA, June 16, 2008.  (Acceptance ratio: 37.5%=6/16)

106. Youngkyu Choi and Sunghyun Choi, "A Joint Design of Admission Control and Transmission Rate Adaptation for VoIP over Wireless Network," in Proc. IEEE WoWMoM 2008, New Port Beach, CA, USA, June 23-27, 2008.  ("Best Paper Award", Acceptance ratio for "noteworthy" papers: 7.2%=13/181)

107. Dongmyoung Kim, Hua Cai, Minsoo Na, and Sunghyun Choi, "Performance Measurement over Mobile WiMAX/IEEE 802.16e Network," in Proc. IEEE WoWMoM 2008, New Port Beach, CA, USA, June 23-27, 2008.  (Acceptance ratio: 24.9%=45/181)

108. Tae Hyun Kim, Robert W. Heath Jr., and Sunghyun Choi, "Multiuser MIMO Downlink with Limited Feedback using Transmit-Beam Matching," in Proc. IEEE ICC 2008, Beijing, China, May 19-23, 2008. 

109. Xi Chen, Daji Qiao, Jeonggyun Yu, and Sunghyun Choi, "Probabilistic-Based Rate Adaptation for IEEE 802.11 WLANs," in Proc. IEEE GLOBECOM 2007, Washington, DC, USA, Nov. 26-30, 2007. 

110. Hua Cai, Youngkyu Choi, Dongmyoung Kim, and Sunghyun Choi, "A Measurement Study of VoIP over WiBro Networks," in Proc. Wireless Broadband World Forum (WBWF) 2007, Oct. 29-30, 2007. 

111. Jeonggyun Yu, Sunghyun Choi, and Daji Qiao, "TCP Dynamics over IEEE 802.11e WLANs: Modeling and Throughput Enhancement," in Proc. BroadNets 2007, Raleigh, North Carolina, USA, Sept. 10-14, 2007. 

112. Munhwan Choi, Sunggeun Jin, and Sunghyun Choi, "Power Saving for Multi-Radio Relay Nodes in IEEE 802.11 Infrastructure Networks," in Proc. IEEE APWCS 2007, Hsinchu, Taiwan, August 20-21, 2007.  (Best Paper Award Candidate)

113. Dongmyoung Kim, Youngkyu Choi, Sunggeun Jin, Kwanghun Han, and Sunghyun Choi, "CL-ARQ: Efficient ARQ for Two-Layer Retransmission Schemes," in Proc. IWCMC 2007, Honolulu, Hawaii, USA, August 12-16, 2007. 

114. Kwanghun Han, Yougnkyu Choi, Sunghyun Choi, and Youngwoo Kwon, "Power Amplifier Characteristic-Aware Energy-Efficient Transmission Strategy," in Proc. IFIP/TC6 Networking 2007, Atlanta, USA, May 14-18, 2007.  (Acceptance ratio: 22.5%=99/440)

115. Seongkwan Kim, Sunghyun Choi, Daji Qiao, and Jongseok Kim, "Enhanced Rate Adaptation Schemes with Collision Awareness," in Proc.IFIP/TC6 Networking 2007, Atlanta, USA, May 14-18, 2007.  (A poster presentation)

116. Youngkyu Choi and Sunghyun Choi, "Service Charge and Energy-Aware Vertical Handoff in Integrated IEEE 802.16e/802.11 Networks," in Proc. IEEE INFOCOM 2007, Anchorage, USA, May 6-12, 2007.  (Acceptance ratio: 18%=252/1400)

117. Jeonggyun Yu and Sunghyun Choi, "Modeling and Analysis of TCP Dynamics over IEEE 802.11 WLAN," in Proc. IFIP WONS 2007, Obergurgl, Austria, Jan. 2007. 

118. Hyewon Lee, Ilenia Tinnirello, Jeonggyun Yu, and Sunghyun Choi, "Throughput and Delay Analysis of IEEE 802.11e Block ACK with Channel Errors," in Proc. WILLOPAN 2007, Bangalore, India, Jan. 2007. 

119. Sunggeun Jin, Kwanghun Han, and Sunghyun Choi, "A Novel Idle Mode Operation in IEEE 802.11 WLANs: Prototype Implementation and Empirical Evaluation," in Proc. ACM WMASH 2006, Los Angeles, USA, Sept. 29, 2006. 

120. Seongkwan Kim, Sung-Ju Lee, and Sunghyun Choi, "The Impact of IEEE 802.11 MAC Strategies on Multi-Hop Wireless Mesh Networks," in Proc. IEEE WiMesh 2006, Reston, Virginia, USA, Sept. 25, 2006.  (invited paper)

121. Seongkwan Kim, Jongseok Kim, Se-kyu Park, Sunghyun Choi, Jaehwan Lee, and Hanwook Jung, "Reachability and Goodput Enhancement via Fragmentation in Public IEEE 802.11b WLAN," in Proc. APCC 2006, Busan, Korea, Aug. 31-Sept. 2, 2006. 

122. Jaehyuk Jang, Sunghyun Choi, and Kwanghun Han, "Adaptive Power Saving Strategies for IEEE 802.16e Mobile Broadband Wireless Access," in Proc. APCC 2006, Busan, Korea, Aug. 31-Sept. 2, 2006. 

123. Alexey Sidelnikov, Jeonggyun Yu, Sunghyun Choi, "Fragmentation/Aggregation Scheme for Throughput Enhancement of IEEE 802.11n WLAN," in Proc. IEEE APWCS 2006, Daejon, August 24-25, 2006. 

124. Seongkwan Kim, Sekyu Park, Sunghyun Choi, Jaehwan Lee, and Hanwook Jung, "Management and Diagnosis Architecture for a Large-Scale Public WLAN," in Proc. IEEE WoWMoM 2006, Niagara Falls, USA, June 26-29, 2006. (Acceptance ratio for regular papers: 33.1%=47/142) 

125. Sunggeun Jin, Kwanghun Han, and Sunghyun Choi, "A Novel Idle Mode Operation in IEEE 802.11 WLANs," in Proc. IEEE ICC 2006, Istanbul, Turkey, 11-15 June 2006. (Acceptance ratio: 39%=982/2517) 

126. Kwanghun Han and Sunghyun Choi, "Performance Analysis of Sleep Mode Operation in IEEE 802.16e Mobile Broadband Wireless Access Systems," in Proc. IEEE VTC 2006-Spring, Melbourne, Australia, May 7-10, 2006. (Acceptance ratio: 48%=650/1364) 

127. Jae Young Choi, Sunghyun Choi, Wook Hyun Kwon, and Hong Seong Park, "Aggregation Time Control Algorithm for Time constrained Data Delivery in Wireless Sensor Networks," in Proc. IEEE VTC 2006-Spring, Melbourne, Australia, May 7-10, 2006. (Acceptance ratio: 48%=650/1364) 

128. Jongseok Kim, Seongkwan Kim, Sunghyun Choi, and Daji Qiao, "CARA: Collision-Aware Rate Adaptation for IEEE 802.11 WLANs," in Proc. IEEE INFOCOM 2006, Barcelona, Spain, April 23-29, 2006. (Acceptance ratio: 18%=252/1400) 

129. Youngkyu Choi, Sunghyun Choi, and Sung-Pil Hong, "Connection-Level QoS Provisioning in Multiple Transmission Technology-based OFDM System," in Proc. WiOpt 2006, Boston, Massachusetts, USA, April 3-7, 2006. (Acceptance ratio: 30%=42/130) 

130. Kihwan Choi and Sunghyun Choi, "CLPC: Cross-layer Product Code for Video Multicast over IEEE 802.11," in Proc. MediaWIN 2006, Athens, Greece, April 2, 2006. (invited paper) 

131. Tae Hyun Kim, Jae Yeol Ha, Sunghyun Choi, and Wook Hyun Kwon, "Virtual Channel Management for Densely Deployed IEEE 802.15.4 LR-WPANs," in Proc. IEEE PerCom 2006, Pisa, Italy, March 13-17, 2006. (A regular paper, Acceptance ratio of "regular papers": 8.2%=23/280, Acceptance ratio of "entire papers": 13.6%=38/280) 

132. Seongkwan Kim, Sunghyun Choi, Se-kyu Park, Jaehwan Lee, Sungmann Kim, "An Empirical Measurements-based Analysis of Public WLAN Handoff Operations," in Proc. WILLOPAN 2006, New Delhi, India, January 8, 2006. (invited paper) 

133. Youngkyu Choi, Sunghyun Choi, and Seokhyun Yoon, "MSDU-based ARQ Scheme for IP-Level Performance Maximization," in Proc. IEEE GLOBECOM 2005, St. Louis, MO, USA, Nov. 28-Dec. 2, 2005. 

134. Jiwoong Jeong, Sunghyun Choi, and Chongkwon Kim, "Achieving Weighted Fairness between Uplink and Downlink in IEEE 802.11 DCF-Based WLANs," in Proc. IEEE QShine 2005, Orlando, USA, August 22-24, 2005. (invited paper) 

135. Youngkyu Choi and Sunghyun Choi, "LLC-Level FEC Scheme in IEEE 802.11 WLAN," in Proc. IEEE APWCS 2005, Hokkaido, August 4-5, 2005. 

136. Ilenia Tinnirello and Sunghyun Choi, "Temporal Fairness Provisioning in Multi-Rate Contention-Based 802.11e WLANs," in Proc. IEEE WoWMoM 2005, Taormina, Italy, June 13-16, 2005. (An extended paper, Acceptance ratio of "extended papers": 10%=18/180) 

137. Ilenia Tinnirello, Sunghyun Choi, and Youngsoo Kim, "Revisit of RTS/CTS Exchange in High-Speed IEEE 802.11 Networks," in Proc. IEEE WoWMoM 2005, Taormina, Italy, June 13-16, 2005. (An extended paper, Acceptance ratio of "extended papers": 10%=18/180) 

138. Seongkwan Kim, Youngsoo Kim, Sunghyun Choi, Kyunghun Jang, and Jin-Bong Chang, "A High-Throughput MAC Strategy for Next-Generation WLANs," in Proc. IEEE WoWMoM 2005, Taormina, Italy, June 13-16, 2005. (A regular paper, Acceptance ratio of "regular papers": 31.7%=(18+39)/180) 

139. Ilenia Tinnirello and Sunghyun Choi, "Efficiency Analysis of Burst Transmissions with Block ACK in Contention-Based 802.11e WLANs," inProc. IEEE ICC 2005, Seoul, Korea, May 16-20, 2005. (Acceptance ratio: <35%) 

140. Daji Qiao and Sunghyun Choi, "Fast-Responsive Link Adaptation for IEEE 802.11 WLANs," in Proc. IEEE ICC 2005, Seoul, Korea, May 16-20, 2005. (Acceptance ratio: <35%) 

141. Hojoong Kwon, Tae Hyun Kim, Sunghyun Choi, and Byeong Gi Lee, "Cross-Layer Lifetime Maximization under Reliability and Stability Constraints in Wireless Sensor Networks," in Proc. IEEE ICC 2005, Seoul, Korea, May 16-20, 2005. (Acceptance ratio: <35%) 

142. Soo Young Shin, Sunghyun Choi, Hong Seong Park, and Wook Hyun Kwon, "Packet Error Rate Analysis of IEEE 802.15.4 under IEEE 802.11b Interference," in Proc. Conference on Wired/Wireless Internet Communications (WWIC 2005) (Springer LNCS, vol. 3510), Xanthi, Greece, May 11-13, 2005. (Acceptance ratio: 29%=34/117) 

143. Jeonggyun Yu and Sunghyun Choi, "Performance Comparison of Dual Queue and EDCA for VoIP over IEEE 802.11 WLAN," in Proc.European Wireless 2005, Nicosia, Cyprus, April 10-13, 2005. (Acceptance ratio 67%=155/230) 

144. Jaehwan Lee, Sunghyun Choi, and Hanwook Jung, "Analysis of User Behavior and Traffic Pattern in a Large-Scale 802.11a/b Network," in Proc. WiNMee 2005, Riva del Garda, Trentino, Italy, April 3, 2005. 

145. Hojoong Kwon, Tae Hyun Kim, Sunghyun Choi, and Byeong Gi Lee, "Lifetime Maximization under Reliability Constraint via Cross-Layer Strategy in Wireless Sensor Networks," in Proc. IEEE WCNC 2005, New Orleans, LA, USA, March 13-17, 2005. 

146. Youngsoo Kim, Jeonggyun Yu, and Sunghyun Choi, "SP-TPC: A Self-Protective Energy Efficient Communication Strategy for IEEE 802.11 WLANs," in Proc. IEEE VTC'04-Fall, Los Angeles, USA, Sept. 26-29, 2004. 

147. Youngsoo Kim, Sunghyun Choi, Kyunghun Jang, and Hyosun Hwang, "Throughput Enhancement of IEEE 802.11 WLAN via Frame Aggregation," in Proc. IEEE VTC'04-Fall, Los Angeles, USA, Sept. 26-29, 2004. 

148. Jeonggyun Yu, Sunghyun Choi, and Jaehwan Lee, "Enhancement of VoIP over IEEE 802.11 WLAN via Dual Queue Strategy," in Proc. IEEE ICC'04, Paris, France, June 2004.  (Acceptance ratio: <30%)

149. Xiaofeng Xu, Mihaela van der Schaar, Santhana Krishnamachari, Sunghyun Choi, Yao Wang, "Fine-Granular-Scalability Video Streaming over Wireless LANs using Cross Layer Error Control," in Proc. IEEE ICASSP'04, Montreal, Canada, May 2004. (Acceptance ratio: 51.8% = 1262/2434) 

150. Yang Xiao, Haizhon Li, and Sunghyun Choi, "Protection and Guarantee for Voice and Video Traffic in IEEE 802.11e Wireless LANs," in Proc. IEEE INFOCOM'04, Hong Kong, March 2004.  (Acceptance ratio: 18.4% = 261/1420)

151. Youngkyu Choi, Jeongyeup Paek, Sunghyun Choi, Go Woon Lee, Jae Hwan Lee, and Hanwook Jung, "Enhancement of a WLAN-Based Internet Service in Korea," in Proc. ACM International Workshop on Wireless Mobile Applications and Services on WLAN Hotspots (WMASH'03), San Diego, USA, September 19, 2003.  (invited paper)

152. Daji Qiao, Sunghyun Choi, Amit Jain, and Kang G. Shin, "MiSer: An Optimal Low-Energy Transmission Strategy for IEEE 802.11a/h," in Proc. ACM MobiCom'03, San Diego, CA, Sept. 14-19, 2003.  (Acceptance ratio: 9.6% = 27/281)

153. Javier del Prado, Sai Shankar N, and Sunghyun Choi, "Multimedia Clock Synchronization over IEEE 802.11 WLAN," presented in New York Metropolitan Area Networking Workshop (NYMAN'03), Brooklyn, NY, September 12, 2003. 

154. Marc Portoles, Zhun Zhong, Sunghyun Choi, and Chun-Ting Chou, "IEEE 802.11 Link-Layer Forwarding For Smooth Handoff," in Proc.IEEE PIMRC'03, Beijing, China, Sept. 7-10, 2003. 

155. Marc Portoles, Zhun Zhong, and Sunghyun Choi, "IEEE 802.11 Downlink Traffic Shaping Scheme For Multi-User Service Enhancement," in Proc. IEEE PIMRC'03, Beijing, China, Sept. 7-10, 2003. 

156. Xiaofeng Xu, Mihaela van der Schaar, Santhana Krishnamachari, Sunghyun Choi, and Yao Wang, "Adaptive Error Control for Fine-Granular-Scalability Video Coding over IEEE 802.11 Wireless LANs," in Proc. IEEE ICME'03, Baltimore, Maryland, USA, July 2003. (Acceptance ratio: 58.4% = 450/770) 

157. Sunghyun Choi, Javier del Prado, Sai Shankar N, and Stefan Mangold, "IEEE 802.11e Contention-Based Channel Access (EDCF) Performance Evaluation," in Proc. IEEE ICC’03, Anchorage, Alaska, USA, May 2003. (Acceptance ratio: 37.5% = 704/1879) 

158. Javier del Prado and Sunghyun Choi, "Link Adaptation Strategy for IEEE 802.11 WLAN via Received Signal Strength Measurement," in Proc. IEEE ICC’03, Anchorage, Alaska, USA, May 2003. (Acceptance ratio: 37.5% = 704/1879) 

159. Santhana Krishnamachari, Mihaela van der Schaar, Sunghyun Choi, and Xiaofeng Xu, "Video Streaming over Wireless LANs: A Cross-Layer Approach," in Proc. IEEE Packet Video '03, Nantes, France, April 2003. 

160. Sunghyun Choi and Javier del Prado, "802.11g CP: A Solution for IEEE 802.11g and 802.11b Inter-Working," in Proc. IEEE VTC'03-Spring, Jeju, Korea, April 2003. 

161. Daji Qiao, Sunghyun Choi, Amit Jain, and Kang G. Shin, "Adaptive Transmit Power Control in IEEE 802.11a Wireless LANs," in Proc. IEEEVTC'03-Spring, Jeju, Korea, April 2003. 

162. Se-Yong Park, Doug Kim, Kyungtae Kim, Sunghyun Choi, and Sangjin Hong, "Collaborative QoS Architecture between DiffServ and 802.11e Wireless LAN," in Proc. IEEE VTC'03-Spring, Jeju, Korea, April 2003. 

163. Sunghyun Choi, "IEEE 802.11e MAC-Level FEC Performance Evaluation and Enhancement," in Proc. IEEE GLOBECOM’02, Taipei, Taiwan, November 17-21 2002. (Acceptance ratio: 30.7% = 607/1980)

164. Stefan Mangold, Sunghyun Choi, Peter May, and Guido Hiertz, "IEEE 802.11e - Fair Resource Sharing between Overlapping Basic Service Sets," in Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications ( PIMRC'02), Lisbon, Portugal, pp. 166-171, September 15-18, 2002. 

165. Sai Shankar and Sunghyun Choi, "QoS Signaling for Parameterized Traffic in IEEE 802.11e Wireless LANs," presented at the International Workshop on Advanced Internet Services and Applications (in Springer-Verlag LNCS, vol. 2402, pp. 67-84), August 2002.

166. Daji Qiao, Sunghyun Choi, Amjad Soomro, and Kang G. Shin, "Energy-Efficient PCF Operation of IEEE 802.11a Wireless LAN," in Proc. IEEE INFOCOM’02, New York, New York, June 23-27, 2002. (Acceptance ratio: 20.5% = 192/938) 

167. Stefan Mangold, Sunghyun Choi, Peter May, Ole Klein, Guido Hiertz, and Lothar Stibor, "IEEE 802.11e Wireless LAN for Quality of Service," in Proc. European Wireless (EW’2002), vol. 1, pp. 32-39, Florence, Italy, February 2002. (invited paper) 

168. Javier del Prado and Sunghyun Choi, "Experimental Study on Co-existence of 802.11b with Alien Devices," in Proc. IEEE Vehicular Technology Conference (VTC'01-Fall), Atlantic City, October 2001. 

169. Sunghyun Choi and Kang G. Shin, "Location/Mobility-Dependent Bandwidth Adaptation in QoS-Sensitive Cellular Networks," in Proc. IEEE Vehicular Technology Conference (VTC'01-Fall), Atlantic City, October 2001. 

170. Stefan Mangold, Jorg Habetha, Sunghyun Choi, and Chiu Ngo, "Co-existence and Interworking of IEEE 802.11a and ETSI BRAN HiperLAN/2 in Multihop Scenarios," in Proc. The Third IEEE Workshop on Wireless Local Area Networks, Newton, Massachusetts, September 27-28, 2001. 

171. Stefan Mangold, Sunghyun Choi, and Norbert Esseling, "An Error Model for Radio Transmissions of Wireless LANs at 5 GHz," in Proc. The 10th Aachen Symposium on Signal Theory, pp. 209-214, Aachen, Germany, September 20-21, 2001. 

172. Daji Qiao and Sunghyun Choi, "Goodput Enhancement of IEEE 802.11a Wireless LAN via Link Adaptation," in Proc. IEEE International Conference on Communications (ICC'01), Helsinki, Finland, June 2001. (Acceptance ratio: 54.8% = 628/1145) 

173. Sunghyun Choi and Kang G. Shin, "Exploiting Path/Location Information for Connection Admission Control in Cellular Networks," in Proc. IEEE Wireless Communications and Networking Conference (WCNC'00), Chicago, Illinois, September 23-28, 2000. (invited paper) 

174. Sunghyun Choi and Kang G. Shin, "Bandwidth Reservation in Mobile Cellular Networks Using ITS Navigation Systems,'' in Proc. IEEE/IEEJ/JSAI International Conference on Intelligent Transportation Systems (ITSC'99), Tokyo, Japan, October 5-8, 1999. 

175. Sunghyun Choi and Kang G. Shin, "Comparison of Connection Admission-Control Schemes in the Presence of Hand-Offs in Cellular Networks,'' in Proc. ACM/IEEE MobiCom'98, Dallas, Texas, October 25-29, 1998. (Acceptance ratio: 18.4% = 27/147) 

176. Sunghyun Choi and Kang G. Shin, "Predictive and Adaptive Bandwidth Reservation for Hand-Offs in QoS-Sensitive Cellular Networks,'' in Proc. ACM SIGCOMM'98, pp. 155-166, Vancouver, British Columbia, September 2-4, 1998. (Acceptance ratio: 12.0% = 27/226)

177. Sunghyun Choi and Kang G. Shin, "Uplink CDMA Systems with Diverse QoS Guarantees for Heterogeneous Traffic,'' in Proc. ACM/IEEE MobiCom'97, pp. 120-130, Budapest, Hungary, September 26-30, 1997. (Acceptance ratio: 25.7% = 26/101) 

178. Sunghyun Choi and Kang G. Shin, "A Cellular Wireless Local Area Network with QoS Guarantees for Heterogeneous Traffic,'' in Proc. IEEE INFOCOM'97, pp. 1032-1039, Kobe, Japan, April 9-11, 1997. (Acceptance ratio: 31.9% = 167/524) 

179. Sunghyun Choi and Kang G. Shin, "Centralized Wireless MAC Protocols Using Slotted ALOHA and Dynamic TDD Transmission,'' in Proc. IFIP PERFORMANCE'96 ( Elsevier Performance Evaluation, vol. 27 & 28), pp. 331-346, Lausanne, Switzerland, October 1996. 

180. Sunghyun Choi and Wee K. Ng, "Vector Quantizer Design Using Genetic Algorithms,'' in Proc. IEEE Data Compression Conference (DCC'96), Snowbird, Utah, April 1-3, 1996. 

181. Wee K. Ng, Sunghyun Choi, and Chinya V. Ravishankar, "An Evolutionary Approach to Vector Quantizer Design,'' in Proc. IEEE International Conference on Evolutionary Computation (ICEC'95), Perth, Western Australia, November 29-December 1, 1995. 

182. Sung Hyun Choi and Sang Wu Kim. "Optimum Bandwidth Expansion for DS/SSMA Communication Over a Multipath Rayleigh Fading Channel,'' in Proc. IEEE International Conference on Communications (ICC '95) , Seattle, WA, June 18-22, 1995. 

International Journal and Magazine Papers    

1. B Yu, C Qian, J Lee, S Shao, Y Shen, W Pan, P Lin, Z Zhang, S Kim, S Hu, K Lee, J Jung, S Choi, C Sun, "Realizing High Power Full Duplex in Millimeter Wave System: Design, Prototype and Results," IEEE Journal on Selected Areas in Communications, June 2023. 

2. DH Je, J Jung, S Choi, “Toward 6G Security: Technology Trends, Threats, and Solutions,” IEEE Communications Standards Magazine, 5 (3), pp. 64-71, 2021.

3. J Kim, G Lee, S Kim, T Taleb, S Choi, S Bahk, “Two-step random access for 5G system: Latest trends and challenges,” IEEE Network, 35 (1), pp. 273-279, 2020.

4. S Hwang, S Kim, H Yoon, B Kim, S Choi, S Bahk, “Beyond Vision: Hidden Car Detector With On-Demand Relaying in Vehicular Communications,” IEEE Transactions on Vehicular Technology, 69 (12), pp. 15177-15187, 2020.

5. L Wang, Y Wu, H Zhang, S Choi, VCM Leung, “Resource allocation for NOMA based space-terrestrial satellite networks,” IEEE Transactions on Wireless Communications, 20 (2), pp. 1065-1075, 2020.

6. J Yi, S Kim, J Kim, S Choi, “Supremo: Cloud-Assisted Low-Latency Super-Resolution in Mobile Devices,” IEEE Transactions on Mobile Computing, 2020.

7. J Choi, G Lee, S Choi, S Bahk, “Smartphone based Indoor Path Estimation and Localization without Human Intervention,” IEEE Transactions on Mobile Computing, 2020.

8. H Aliev, HW Kim, S Choi, “A Scalable and Secure Group Key Management Method for Secure V2V Communication,” Sensors, 20 (21), 6137, 2020.

9. Sundo Kim, Seongwon Kim, Junseok Kim, Kitack Lee, Sunghyun Choi, and Byonghyo Shim, “Low Latency Random Access for Small Cell UE Toward Future Cellular Network,” IEEE Access, 2019.

10. Saurabh Kumar, Sunghyun Choi, and HyungWon Kim, "Analysis of Hidden Terminal’s Effect on the Performance of Vehicular Ad-hoc Networks," EURASIP Journal on Wireless Communications and Networking, 2019.

11. Yabo Li, Haijun Zhang, Keping Long, Sunghyun Choi, and Arumugam Nallanathan, "Resource Allocation for Optimizing Energy Efficiency in NOMA-based Fog UAV Wireless Networks," IEEE Network, Sept. 2019.

12. Junseok Kim, Seongwon Kim, Tarik Taleb, and Sunghyun Choi, "RAPID: Contention Resolution Based Random Access Using Context ID for IoT," IEEE Transactions on Vehicular Technology, vol. 68, no. 7, pp 7121-7135, July 2019. 

13. Jonghoe Koo, Juheon Yi, Joongheon Kim, Mohammad A. Hoque, and Sunghyun Choi, "Seamless Dynamic Adaptive Streaming in LTE/Wi-Fi Integrated Network under Smartphone Resource Constraints," IEEE Transactions on Mobile Computing, vol. 18, no. 7, pp 1647-1660, July 2019. 

14. Changmok Yang, Seongwon Kim, Seongho Byeon, and Sunghyun Choi, "HIATus: Hidden Interference-Aware Transmission Bandwidth Adjustment in IEEE 802.11ac WLANs," IEEE Communications Letters, vol. 23, issue 3, pp. 510-513, Mar. 2019. 

15. Kwang Soon Kim, Dong Ku Kim, Chan-Byoung Chae, Sunghyun Choi, Young-Chai Ko, Jonghyun Kim, Yeon-Geun Lim, Minho Yang, Sundo Kim, Byungju Lim, Kwanghoon Lee, and Kyung Lin Rye, "Ultra-Reliable and Low-Latency Communictaion Techniques for Tactile Internet Services," Proceedings of the IEEE, vol. 107, no. 2, pp 376-393, Feb. 2019. 

16. Byungjun Kim, Seongwon Kim, Hoyoung Yoon, Sunwook Hwang, M. Xavier Punithan, Byeong Rim Jo, and Sunghyun Choi, "Nearest-First: Efficient Relaying Scheme in Heterogeneous V2V Communication Environments," IEEE Access, vol. 7, pp 23615-23627, Feb. 2019. [Open Access]

17. Youngwook Son, Seongwon Kim, Seongho Byeon, and Sunghyun Choi, "Symbol Timing Synchronization for Uplink Multi-User Transmission in IEEE 802.11ax WLAN," IEEE Access, pp. 72962-72977, Nov. 2018. 

18. Seungil Park, Hoyoung Yoon, Byungjun  Kim, and Sunghyun Choi, "FAGA: Feedback-Aided Greedy Algorithm for Periodic Messages in LTE V2V Communications," IEEE Transactions on Vehicular Technology, vol. 67, no. 11, pp. 11062-11068, Nov. 2018. 

19. Seungil Park, Byungjun Kim, Hoyoung Yoon, and Sunghyun Choi, "RA-eV2V: Relaying Systems for LTE-V2V Communications," Journal of Communications and Networks (JCN), vol. 20, no. 4, pp 396-405, Aug. 2018. 

20. Hoyoung Yoon, Seungil Park, and Sunghyun Choi, "Efficient Feedback Mechanism for LTE-based D2D Communication," Pervasive and Mobile Computing, vol. 48, pp 137-152, Aug. 2018. (Invited paper) 

21. Jaehong Yi, Weiping Sun, Seungkeun Park, and Sunghyun Choi, "Performance Analysis of LTE-LAA Network,"  IEEE Communications Letters, vol. 22, no. 6, pp. 1236-1239, June 2018. 

22. Seonik Seong, Illsoo Sohn, Sunghyun Choi, and Kwang Bok Lee, "Distributed Synchronization Algorithm for Infrastructure-less Public Safety Networks," Journal of Communications and Networks (JCN), vol. 20, no. 3, pp 316-324, June 2018.

23. Seongwon Kim, Minsoo Sim, Chan-Byoung Chae, and Sunghyun Choi, "Asymmetric Simultaneous Transmit and Receive in WiFi Networks," IEEE Access, vol. 5, pp. 14079-14094, July 2017. [Open Access]

24. Junsu Choi, Seongho Byeon, Sunghyun Choi, and Kwang Bok Lee, "Activity Probability-Based Performance Analysis and Contention Control for IEEE 802.11 WLANs," IEEE Transactions on Mobile Computing, vol. 16, no. 7, pp. 1802-1814, July 2017. 

25. Junseok Kim, Dongmyoung Kim, and Sunghyun Choi, "3GPP SA2 Architecture and Functions for 5G Mobile Communication System," ICT Express, vol. 3, issue 1, pp. 1-8, Mar. 2017. (invited paper) [Open Access]

26. Kyuhwan Kwak, Hui Won Je, Seok-Hwan Park, and Sunghyun Choi, "CoMP Joint Transmission for Gaussian Broadcast Channels in Delay-Limited Networks," IEEE Transactions on Vehicular Technology, vol. 66, no. 3, pp. 2053-2058, Mar. 2017. 

27. Seongwon Kim, Seungmin Yoo, Jaehong Yi, Youngwook Son, and Sunghyun Choi, "FACT: Fine-Grained Adaptation of Carrier Sense Threshold in IEEE 802.11 WLANs," IEEE Transactions on Vehicular Technology, vol. 66, no. 2, pp. 1886-1891, Feb. 2017. 

28. Junsu Choi, Sunghyun Choi, and Kwang Bok Lee, "Sounding Node Set and Sounding Interval Determination for IEEE 802.11ac MU-MIMO," IEEE Transactions on Vehicular Technology, vol. 65, no. 12, pp. 10069-10074, Dec. 2016.  

29. Dongmyoung Kim, Taejun Park, Seongwon Kim, Hyoil Kim, and Sunghyun Choi, "Load Balancing in Two-Tier Cellular Networks with Open and Hybrid Access Femtocells," IEEE/ACM Transactions on Networking, vol. 24, no. 6, pp. 3397-3411, Dec. 2016. 

30. Jongwoo Hong, Seungil Park, and Sunghyun Choi, “Novel Power Control and Collision Resolution Schemes for Device-to-Device Discovery," Peer-to-Peer Networking and Applications, vol. 9, no. 6, pp. 913-922, Sep. 2016.   

31. Seonik Seong, Illsoo Sohn, Sunghyun Choi, and Kwang Bok Lee, "Reliable Low-Energy Group Formation for Infrastructure-less Public Safety Networks," EURASIP Journal on Wireless Communications and Networking, July 2016. [Open Access]

32. Seungmin Yoo, Seongwon Kim, Jaehong Yi, Youngwook Son, and Sunghyun Choi, "ProCCA: Protective Clear Channel Assessment in IEEE 802.11 WLANs," IEEE Communications Letters, vol. 20, issue 5, pp. 958-961, May 2016. 

33. Munhwan Choi, Gyujin Lee, Sunggeun Jin, Jonghoe Koo, Byoungjin Kim, and Sunghyun Choi, "Link Adaptation for High-Quality Uncompressed Video Streaming in 60 GHz Wireless Networks," IEEE Transactions on Multimedia, vol. 18, issue 4, pp. 627-642, Apr. 2016. 

34. Wonbo Lee, Jonghoe Koo, Yongseok Park, and Sunghyun Choi, "Transfer Time, Energy, and Quota-Aware Multi-RAT Interface Activation Scheme in Smartphones," IEEE Transactions on Vehicular Technology, vol. 65, issue 1, pp. 307-317, Jan. 2016. 

35. Lochan Verma, Mohammad Fakharzadeh, and Sunghyun Choi, "Backhaul Need for Speed: 60 GHz is the Solution," IEEE Wireless Communications, vol. 22, issue 6, pp. 114-121, Dec. 2015. 

36. Wonbo Lee, Jonghoe Koo, Sunggeun Jin, and Sunghyun Choi, "EQ-Video: Energy and Quota-aware Video Playback Time Maximization for Smartphones," IEEE Communications Letters, vol. 19, issue 6, pp. 1045-1048, June 2015. 

37. Xiaofei Wang, Min Chen, Hyunchul Kim, Ted "Taekyoung" Kwon, Yanghee Choi, Sunghyun Choi, "Measurement and Analysis of Online Gaming Services on Mobile WiMAX Networks," Wireless Communications and Mobile Computing (WCMC), vol. 15, issue 7, pp. 1198–1211, May 2015. 

38. Okhwan Lee, Jihoon Kim, Jongtae Lim, and Sunghyun Choi, "SIRA: SNR-aware Intra-frame Rate Adaptation,” IEEE Communications Letters, vol. 19, no. 1, pp. 90-93, Jan. 2015.  

39. Hyewon Lee, Seongho Byeon, Byoungjin Kim, Kwang Bok Lee, and Sunghyun Choi, "Enhancing Voice over WLAN via Rate Adaptation and Retry Scheduling," IEEE Transactions on Mobile Computing, vol. 13, issue 12, pp.2791-2805, Dec. 2014. [Open Access]

40. Weiping Sun, Okhwan Lee, Yeonchul Shin, Seongwon Kim, Changmok Yang, Hyoil Kim, and Sunghyun Choi, "Wi-Fi Could Be Much More," IEEE Communications Magazine, Special Issue on The Future of Wi-Fi, vol. 52, no. 11, pp. 22-29, Nov. 2014.  

41. Sunggeun Jin and Sunghyun Choi, "A Seamless Handoff with Multiple Radios in IEEE 802.11 WLANs," IEEE Transactions on Vehicular Technology, vol. 63, issue 3, pp.1408-1418, Mar. 2014.  

42. Kyung-Joon Park, Hyungho Lee, Sunghyun Choi, and Kyungtae Kang, "Design of a Medical-Grade QoS Metric for Wireless Environments," Transactions on Emerging Telecommunications Technologies, March 2014. (online publication)  

43. Lochan Verma, Mohammad Fakharzadeh, and Sunghyun Choi, "Wi-Fi On Steroids: 802.11ac and 802.11ad," IEEE Wireless Communications, vol. 20, issue 6, pp. 30-35, Dec. 2013. 

44. Edwin Monroy, Sunghyun Choi, and Bijan Jabbari, "Linear Precoding with Resource Allocation for MIMO Relay Channels," IEEE Transactions on Wireless Communications,  vol. 12, no. 11, pp. 5704-5716, Nov. 2013.  

45. Seonwook Kim, Sunghyun Choi, and Byeong Gi Lee, "A Joint Algorithm for Base Station Operation and User Association in Heterogeneous Networks," IEEE Communications Letters, vol. 17, issue 8, pp. 1552-1555, Aug. 2013.  

46. Weiping Sun, Munhwan Choi, and Sunghyun Choi, "IEEE 802.11ah: A Long Range 802.11 WLAN at Sub 1 GHz," Journal of ICT Standardization, vol. 1, issue 1, May 2013. (invited paper)    

47. Yeonchul Shin, Munhwan Choi, Jonghoe Koo, and Sunghyun Choi,"Video Multicast over WLANs: Power Saving and Reliability Perspectives," IEEE Network, Special Issue on Video over Mobile Networks, vol. 27, issue 2, pp. 40-46, March 2013.  

48. Sunggeun Jin, Munhwan Choi, Kyeongpyo Kim, and Sunghyun Choi, "Opportunistic Spatial Reuse in IEEE 802.15.3c Wireless Personal Area Networks," IEEE Transactions on Vehicular Technology, vol. 62, issue 2, pp. 824-834, Feb. 2013. 

49. Kyungtae Kang, Junhee Ryu, Kyung-Joon Park, Junbeom Hur, and Sunghyun Choi, "Toward Energy-Efficient Error Control in 3G Broadcast Video," IEEE Wireless Communications, vol. 19, issue 6, pp. 60-67, Dec. 2012. 

50. Jiwoong Jeong, Jaehyuk Choi, Sunghyun Choi and Chong-kwon Kim, "Resolving Intra-Class Unfairness in 802.11 EDCA," Wireless Personal Communications (WPC), vol. 63, issue 2, pp 431-445, March 2012. 

51. Sunggeun Jin, Xi Chen, Daji Qiao, and Sunghyun Choi, "Adaptive Sleep Mode Management in IEEE 802.16m Wireless Metropolitan Area Networks," Computer Networks (ComNet), vol. 55, issue 16, pp. 3774–3783, Nov. 2011. 

52. Seongkwan Kim, Okhwan Lee, Sunghyun Choi, and Sung-Ju Lee, "Comparative Analysis of Link Quality Metrics and Routing Protocols for Optimal Route Construction in Wireless Mesh Networks," Ad Hoc Networks, vol 9, no. 7, pp. 1343-1358, Sep. 2011. 

53. Sunggeun Jin, Munhwan Choi, Lei Wang, and Sunghyun Choi, "Fast Scanning Schemes for IEEE 802.11 WLANs in Virtual AP Environments," Computer Networks (ComNet), vol. 55, no. 10, pp. 2520-2533, July 2011. 

54. Munhwan Choi, Maria Samokhina, Kirill Moklyuk, Sunghyun Choi, Jun Heo, and Seong-Jun Oh, "VPAL: Video Packet Adaptation Layer for Reliable Video Multicast over IEEE 802.11n WLAN," Computer Communications (ComCom), vol. 33, no. 18, pp. 2271-2281, Dec. 2010. 

55. Seongkwan Kim, Lochan Verma, Sunghyun Choi, and Daji Qiao, "Collision-Aware Rate Adaptation in Multi-Rate WLANs: Design and Implementation," Computer Networks (ComNet), volume 54, no. 17, pp. 3011-3030, Dec. 2010. 

56. Hyewon Lee, Ilenia Tinnirello, Jeonggyun Yu, and Sunghyun Choi, "A Performance Analysis of Block ACK Scheme for IEEE 802.11e Networks," Computer Networks (ComNet), vol. 54, no. 14, pp. 2468-2481, Oct. 2010. 

57. Sunggeun Jin, Kwanghun Han, and Sunghyun Choi, "Idle Mode for Deep Power Save in IEEE 802.11 WLANs," Journal of Communications and Networks (JCN), vol. 12, no. 5, pp. 480-491, Oct. 2010. 

58. Sunggeun Jin, Munhwan Choi, and Sunghyun Choi, "Performance Analysis of IEEE 802.16m Sleep Mode for Heterogeneous Traffic," IEEE Communications Letters (CL), vol. 14, no. 5, pp. 405-407, May 2010. 

59. Youngkyu Choi, Seong-Jun Oh, and Sunghyun Choi, "S-ARQ: A New Truncated ARQ for IP-based Wireless Network," Journal of Communications and Networks (JCN), vol. 12, no. 2, Apr. 2010. 

60. Tae Hyun Kim, Jae Yeol Ha, and Sunghyun Choi, "Improving Spectral and Temporal Efficiency of Collocated IEEE 802.15.4 LR-WPANs,"IEEE Trans. Mobile Computing (TMC), vol. 8, no. 12, pp. 1596-1609, Dec. 2009. 

61. Sunggeun Jin, Munhwan Choi, and Sunghyun Choi, "Multiple WNIC-Based Handoff in IEEE 802.11 WLANs," IEEE Communications Letters (CL), vol. 13, no. 10, Oct. 2009. 

62. Jeonggyun Yu, Sunghyun Choi, and Daji Qiao, "Analytical Modeling of TCP Dynamics in Infrastructure-Based IEEE 802.11 WLANs,"Journal of Communications and Networks (JCN), vol. 11, no. 5, pp. 519-529, Oct. 2009. 

63. Youngkyu Choi and Sunghyun Choi, "Energy-Aware WLAN Scanning in Integrated IEEE 802.16e/802.11 Networks," Computer Communications (ComCom), vol. 32, issue 15, pp. 1588-1599, Sep. 2009.  (invited paper)

64. Jeonggyun Yu, Sunghyun Choi, and Daji Qiao, "Analytical Study of TCP Performance over IEEE 802.11e WLANs," Mobile Networks and Applications (MONET), vol. 14, no. 4, pp. 470-485, Aug. 2009.  (invited paper)

65. Yang Xiao, Haizon Li, and Sunghyun Choi, "Two-Level Protection and Guarantee for Multimedia Traffic in IEEE 802.11e Distributed WLANs," ACM Wireless Networks (WINET), vol. 15, no. 2, pp. 141-161, Feb. 2009. 

66. Dongmyoung Kim, Youngkyu Choi, Sunggeun Jin, Kwanghun Han, and Sunghyun Choi, "A MAC/PHY Cross-Layer Design for Efficient ARQ Protocols," IEEE Communications Letters (CL), vol. 12, issue 12, pp. 909-911, Dec. 2008. 

67. Sunggeun Jin, Chulsik Yoon, and Sunghyun Choi, "A Simple Remedy for Idle Mode via Proxy MIP," IEEE Communications Letters (CL), vol. 12, no. 6, pp. 423-425, June 2008. 

68. Seongkwan Kim, Sunghyun Choi, Youngsoo Kim, and Kyunghun Jang, "MCCA: A High-Throughput MAC Strategy for Next-Generation WLANs," IEEE Wireless Communications (WC), vol. 15, issue 1, pp. 32-39, Feb. 2008. 

69. Jae Yeol Ha, Hong Seong Park, Sunghyun Choi, and Wook Hyun Kwon, "EHRP: Enhanced Hierarchical Routing Protocol for ZigBee Mesh Networks," IEEE Communications Letters (CL), vol. 11, issue 12, pp. 1028-1030, December 2007. 

70. Daji Qiao, Sunghyun Choi, and Kang G. Shin, "Interference Analysis and Transmit Power Control in IEEE 802.11a/h Wireless LANs,"IEEE/ACM Trans. Networking (TON), vol. 15, issue 5, pp. 1007-1020, October 2007. 

71. Soo Young Shin, Hong Seong Park, Sunghyun Choi, and Wook Hyun Kwon, "Packet Error Rate Analysis of ZigBee Under WLAN and Bluetooth Interferences," IEEE Trans. Wireless Communications (TWC), vol. 6, issue 8, pp. 2825-2830, August 2007. 

72. Jae Yeol Ha, Tae Hyun Kim, Sunghyun Choi, Hong Seong Park, and Wook Hyun Kwon, "An Enhanced CSMA-CA Algorithm for IEEE 802.15.4 LR-WPANs," IEEE Communications Letters (CL), vol. 11, issue 5, pp. 461-463, May 2007. 

73. Ye Ge, Jennifer C. Hou, and Sunghyun Choi, "An Analytic Study of Tuning Systems Parameters in IEEE 802.11e Enhanced Distributed Channel Access," Computer Networks (ComNet), vol. 51, issue 8, pp. 1955-1980, June 2007. 

74. Hojoong Kwon, Tae Hyun Kim, Sunghyun Choi, and Byeong Gi Lee, "A Cross-Layer Strategy for Energy-Efficient Reliable Delivery in Wireless Sensor Networks," IEEE Trans. Wireless Communications (TWC), vol. 5, no. 12, pp. 3689-3699, December 2006. 

75. Youngsoo Kim, Jeonggyun Yu, Sunghyun Choi, and Kyunghun Jang, "A Novel Hidden Station Detection Mechanism in IEEE 802.11 WLAN," IEEE Communications Letters (CL), vol. 10, no. 8, pp. 608-610, August 2006. 

76. Duck-Yong Yang, Tae-Jin Lee, Kyunghun Jang, Jin-Bong Chang, and Sunghyun Choi, "Performance Enhancement of Multi-Rate IEEE 802.11 WLANs with Geographically-Scattered Stations," IEEE Trans. Mobile Computing (TMC), vol. 5, no. 7, pp. 906-919, July 2006. 

77. Jeonggyun Yu and Sunghyun Choi, "Comparison of Modified Dual Queue and EDCA for VoIP over IEEE 802.11 WLAN," European Transactions on Telecommunications (ETT), vol. 17, issue 3, May/June 2006.  (invited paper)

78. Daji Qiao and Sunghyun Choi, "New 802.11h Mechanisms Can Reduce Power Consumption," IT Professional, vol. 8, no. 2, pp. 43-48, March/April 2006. [Abstract]

79. Tae Hyun Kim and Sunghyun Choi, "Priority-Based Delay Mitigation for Event-Monitoring IEEE 802.15.4 LR-WPANs," IEEE Communications Letters (CL), vol. 10, issue 3, pp. 213-215, Mar. 2006. 

80. Inkyu Lee, Carl-Erik Sundberg, Sunghyun Choi, and Wonjun Lee, "A Modified Medium Access Control Algorithm for Systems with Iterative Decoding," IEEE Trans. on Wireless Communications (TWC), vol. 5, no. 2, pp. 270-273, February 2006. 

81. Sunghyun Choi, Youngkyu Choi, and Inkyu Lee, "IEEE 802.11 MAC-Level FEC Scheme with Retransmission Combining," IEEE Trans. on Wireless Communications (TWC), vol. 5, no. 1, pp. 203-211, January 2006. 

82. Tae Rim Park, Tae Hyun Kim, Jae Young Choi, Sunghyun Choi, and Wook Hyun Kwon, "Throughput and Energy Consumption Analysis of IEEE 802.15.4 Slotted CSMA/CA," IEE Electronics Letters (EL), vol. 41, issue 18, Sept. 2005. 

83. Jaehyuk Choi, Joon Yoo, Sunghyun Choi, and Chongkwon Kim, "EBA: An Enhancement of the IEEE 802.11 DCF via Distributed Reservation,"IEEE Trans. on Mobile Computing (TMC), vol. 4, no. 4, pp. 378-390, July/August 2005. 

84. Youngkyu Choi, Sekyu Park, Sunghyun Choi, Go Woon Lee, Jae Hwan Lee, and Hanwook Jung, "Enhancement of a WLAN-Based Internet Service," ACM Mobile Networks and Applications (MONET), vol. 10, no. 3, June 2005.  (invited paper)

85. Stefan Mangold, Sunghyun Choi, Guido R. Hiertz, Ole Klein, and Bernhard Walke, "Analysis of IEEE 802.11e for QoS Support in Wireless LANs," IEEE Wireless Communications (WC), Special Issue on Evolution of Wireless LANs and PANs, vol. 10, no. 6, December 2003. 

86. Mihaela van der Schaar, Santhana Krishnamachari, Sunghyun Choi, and Xiaofeng Xu, "Adaptive Cross-Layer Protection Strategies for Robust Scalable Video Transmission over 802.11 WLANs," IEEE Journal of Selected Areas in Communications (JSAC), Special Issue on Recent Advances in Wireless Multimedia, vol. 21, no. 10, December 2003. 

87. Daji Qiao, Sunghyun Choi, Amjad Soomro, and Kang G. Shin, "Energy-Efficient PCF Operation of IEEE 802.11a WLANs via Transmit Power Control," Computer Networks (ComNet), vol. 42, no. 1, pp. 39-54, May 2003. 

88. Daji Qiao, Sunghyun Choi, and Kang G. Shin, "Goodput Analysis and Link Adaptation for IEEE 802.11a Wireless LANs," IEEE Trans. on Mobile Computing (TMC), vol. 1, no. 4, pp. 278-292, October-December 2002. 

89. Sunghyun Choi and Kang G. Shin, "Adaptive Bandwidth Reservation and Admission Control in QoS-Sensitive Cellular Networks," IEEE Trans. on Parallel and Distributed Systems (TPDS), special issue on Mobile Computing, vol. 13, no. 9, pp. 882-897, September 2002. 

90. Sunghyun Choi and Kang G. Shin, "A Class of Adaptive Hybrid ARQ Schemes for Wireless Links," IEEE Trans. on Vehicular Technology (TVT), vol. 50, no. 3, pp. 777-790, May 2001. 

91. Sunghyun Choi and Kang G. Shin, "A Comparative Study of Bandwidth Reservation and Admission Control Schemes in QoS-Sensitive Cellular Networks," ACM Wireless Networks (WINET), vol. 6, no. 4, pp. 289-305, 2000. (invited paper) 

92. Sunghyun Choi and Kang G. Shin, "A Unified Wireless LAN Architecture for Real-Time and Non-Real-Time Communication Services," IEEE/ACM Trans. on Networking (TON), vol. 8, no. 1, pp. 44-59, February 2000. 

93. Sunghyun Choi and Kang G. Shin, "An Uplink CDMA System Architecture with Diverse QoS Guarantees for Heterogeneous Traffic,"IEEE/ACM Trans. on Networking (TON), vol. 7, no. 5, pp. 616-628, October 1999. 

94. Sunghyun Choi and Kang G. Shin, "A Cellular Wireless Local Area Network with QoS Guarantees for Heterogeneous Traffic," ACM Mobile Networks and Applications (MONET), special issue on Mobile Multimedia Communications, vol. 3, no. 1, pp. 89-100, 1998. (invited paper) 

Books

1.  Byeong Gi Lee and Sunghyun Choi, Broadband Wireless Access & Local Networks: Mobile WiMAX and WiFi, Artech House, Norwood, MA, USA, May 31, 2008. (ISBN 978-1-59693-293-7) [Introduction]

Book Chapters

1. Giuseppe Bianchi, Sunghyun Choi, and Ilenia Tinnirello, "Performance understanding of IEEE 802.11 DCF and IEEE 802.11e EDCA," Book Chapter in Emerging Technologies in Wireless LANs: Theory, Design, and Deployment, Benny Bing (Ed.), Cambridge University Press, pp. 63-104, January 2007. (invited contribution)

2. Sunghyun Choi and Kihwan Choi, "Reliable Multicast for Wireless LAN," Chapter 4 in Resource, Mobility and Security Management in Wireless Networks and Mobile Communications, Yan Zhang, Honglin Hu, and Masayuki Fujise (Ed.), Auerbach Publications, pp. 113-142, October 2006. (invited contribution)

3. Sunghyun Choi and Jeonggyun Yu, "QoS Provisioning in IEEE 802.11 WLAN," Chapter 3 in Mobile, Wireless and Sensor Networks: Technology, Applications and Future Directions, Rajeev Shorey and Mun Choon Chan (Ed.), Wiley, January 2006. (invited contribution)

4. Sunghyun Choi and Zhun Zhong, "Mobility Support in IEEE 802.11 WLAN: Issues and Enhancement," Chapter 1 in Wireless LANs and Bluetooth (Wireless Networks and Mobile Computing, Volume 4), Yang Xiao and Yi Pan (Ed.), Nova Science Publisher, 2005. (invited contribution)

5. Sunghyun Choi and Sang Wu Kim, "Multipath Channels,'' a chapter in Encyclopedia of Electrical and Electronics Engineering, J. G. Webster (Ed.), vol. 13, pp. 543-650, 1999. (invited contribution)

6. Wee K. Ng, Sunghyun Choi, and Chinya V. Ravishankar, "Lossless and Lossy Data Compression,'' a book chapter in Evolutionary Algorithms in Engineering Applications, D. Dasgupta and Z. Michalewicz (Ed.), Springer Verlag, pp. 173-188, 1997. (invited contribution)

International Editorial Articles

1. Giuseppe Bianchi and Sunghyun Choi, "Preface: Selected Papers from IEEE WoWMoM 2007," Pervasive and Mobile Computing, vol. 4, issue 5, pp. 595-596, October 2008.

2. Anand R. Prasad, Sunghyun Choi, Selim Aissi, and Jeevarathinam Ravikumar, "Special Issue on Seamless Handover in Next Generation Wireless/Mobile Networks," Wireless Personal Communications, vol. 43, no. 3, pp. 801-802, November 2007.  (Guest Editorial)

3. F. Anjum, S. Choi, V. D. Gligor, R. G. Herrtwich, J.-P. Hubaux, P. R. Kumar, and R. Shorey, "Guest Editorial Vehicular Networks," IEEE Journal on Selected Areas in Communications (JSAC), vol. 6, no. 8, pp. 1497-1500, October 2007.  (Guest Editorial)

4. Xudong Wang, Sunghyun Choi, and Jean-Pierre Hubaux, "Guest Editorial - Wireless Mesh Networking: Theories, Protocols, and Systems,"IEEE Wireless Communications, vol. 13, no. 2, pp. 8-9, April 2006. (Guest Editorial)

5. Sunghyun Choi, Sai Shankar N., and Younggoo Kwon, "Guest Editorial - Special Issue: Emerging WLAN Applications and Technologies,"Wireless Communications and Mobile Computing, vol. 4, issue 8, pp. 817-820, December 2004.  (Guest Editorial)