Journal Papers
[2023]
N. H. Tu, D. T. Hoang, and K. Lee, "Short-Packet URLLCs for MIMO Underlay Cognitive Multihop Relaying with Imperfect CSI," IEEE Access, vol. 11, pp. 81672-81689, Aug. 2023.
T. V. Le, K. Lee, and N. C. Luong, "Bitmask Dynamic Programming for User Scheduling in Multi-user MIMO mmWave Systems," IEEE Communications Letters, De. 2023.
S. F. Kimaryo and K. Lee, "Low-complexity IRS beamforming based on sphere decoding and tabu search," Journal of Communications and Networks, vol. 25, no. 3, pp. 299-311, June, 2023.
S. F. Kimaryo and K. Lee, "Downlink Beamforming for Dynamic Metasurface Antennas," IEEE Transactions on Wireless Communications, vol. 22, no. 7, pp. 4745-4755, July 2023.
M. Munawar and K. Lee, "Low-Complexity Adaptive Selection Beamforming for IRS-Assisted Single-User Wireless Networks," IEEE Transactions on Vehicular Technology, vol. 72, no. 4, pp. 5458-5462, Apr. 2023
Derek Kwame Pobi Asiedu and Ji-Hoon Yun, "Multiuser NOMA with Multiple Reconfigurable Intelligent Surfaces for Backscatter Communication in a Symbiotic Cognitive Radio Network," IEEE Transactions on Vehicular Technology, to appear.
Wahyu Fadli Satrya and Ji-Hoon Yun, "Combining Model-Agnostic Meta-Learning and Transfer Learning for Regression," Sensors. , Volume 23(2), Issue 583, Pages 1-17, Jan. 2023.
[2022]
Harold Madeha, Soogeun Park, and Ji-Hoon Yun, "Powerless IoT Clicker System," IEEE Internet of Things Journal, Volume 9, Issue 23, Pages 24585-24586, Dec. 2022.
Baraka William Nyamtiga, Airlangga Adi Hermawan, Yakub Fahim Luckyarno, Tae-wook Kim, Deok-young Jung, Jin Sam Kwak, and Ji-Hoon Yun, "Edge-Computing-Assisted Virtual Reality Computation Offloading: An Empirical Study," IEEE Access, Volume 10, Pages 95892-95907, Sep. 2022.
Wisnu Murti and Ji-Hoon Yun, "Multi-Link Operation in IEEE 802.11be Wireless LANs: Backoff Overflow Problem and Solutions," Sensors, Volume 22, Issue 9, Pages 1-17, May. 2022.
Maurice Nduwayezu and Ji-Hoon Yun, "Latency and Energy Aware Rate Maximization in MC-NOMA-Based Multi-Access Edge Computing: A Two-Stage Deep Reinforcement Learning Approach," Computer Networks, Volume 207, Pages 1-15, Apr. 2022.
Jae-Han Lim, Katsuhiro Naito, Ji-Hoon Yun and Eun-Kyu Lee, "To Predict or to Relay: Tracking Neighbors via Beaconing in Heterogeneous Vehicle Conditions," IEEE Transactions on Mobile Computing, Volume 21, Issue 3, Pages 1142-1154, Mar. 2022.
Derek Kwame Pobi Asiedu and Ji-Hoon Yun, "Power Resource Optimization for Backscatter-Aided Symbiotic Full-Duplex Secondary Transmission with Hardware Impairments in a Cognitive Radio Framework," Sensors, Volume 22(1), Issue 375, Pages 1-21, Jan. 2022.
E. E. Bahingayi and K. Lee, "Low-complexity beamforming algorithms for IRS-aided single-user massive MIMO mmWave systems," IEEE Transactions on Wireless Communications, vol. 21, no. 11, pp. 9200-9211, Nov. 2022.
D. T. Hoang and K. Lee*, "Deep learning-aided signal enumeration for lens antenna array," IEEE Access, vol. 10, pp. 123835-123846, Nov. 2022.
N. T. Nguyen, K. Lee, and H. Dai, "Hybrid beamforming and adaptive RF chain activation for uplink cell-free millimeter-wave massive MIMO systems," IEEE Transactions on Vehicular Technology, vol. 71, no. 8, pp. 8739-8755, Aug. 2022.
N. T. Nguyen, Q.-D. Vu, K. Lee, and M. Juntti, "Hybrid relay-reflecting intelligent surface-assisted wireless communications," IEEE Transactions on Vehicular Technology, vol. 71, no. 6, pp. 6228-6244, June 2022.
N. H. Tu and K. Lee, "Performance analysis and optimization of multihop MIMO relay networks in short-packet communications," IEEE Transactions on Wireless Communications, vol. 21, no. 6, pp. 4549-4562, June 2022.
T. V. Le and K. Lee, "Machine learning-aided link performance prediction for coded MIMO systems," IEEE Transactions on Vehicular Technology, vol. 71, no. 3, pp. 3287-3292, Mar. 2022.
D. T. Hoang and K. Lee, "Deep learning-aided coherent direction-of-arrival estimation with the FTMR algorithm," IEEE Transactions on Signal Processing, vol. 70, pp. 1118-1130, Jan. 2022.
[2021]
G. M. Gadiel, N. T. Nguyen, and K. Lee, "Dynamic unequal-subarray hybrid beamforming architecture for massive MIMO systems," IEEE Transactions on Vehicular Technology,vol. 70, no. 4, pp. 3469-3478, April 2021.
Q. V. Pham, N. T. Nguyen, T. Huynh-The, L. B. Le, K. Lee, and W. J. Hwang, "Intelligent radio signal processing: a survey," IEEE Access, vol. 9, pp. 83818-83850, June 2021.
N. T. Nguyen, K. Lee, and H. Dai, "Application of deep learning to sphere decoding for large MIMO systems," IEEE Transactions on Wireless Communications, vol. 20, no. 10, pp. 6787-6803, Oct. 2021.
A. N. N. Doan, E. E. Bahingayi, and K. Lee, "Hybrid combining based on selective activation of double constant phase shifters," IEEE Access, vol. 9, pp. 142012-142019, Nov. 2021.
Wisnu Murti and Ji-Hoon Yun, "Multi-Link Operation with Enhanced Synchronous Channel Access in IEEE 802.11be Wireless LANs: Coexistence Issue and Solutions," Sensors, Volume 21(23), Issue 7974, Pages 1-24, Nov. 2021.
Long Hoang Vu, Rella Mareta and Ji-Hoon Yun, "Full-Duplex Wireless LAN Incorporating Successive Interference Cancellation," IEEE Transactions on Vehicular Technology, Volume 70, Issue 10, Pages 10293-10307, Aug. 2021.
Hwanwoong Hwang, Richard Boateng Nti and Ji-Hoon Yun, "Spectro-Temporal Combining in Bistate WiFi Backscatter Communication with Frequency Shift," IEEE Access, Volume 9, Pages 113735-113747, Aug. 2021.
Richard Boateng Nti and Ji-Hoon Yun, "Multi-Filter Decoding in WiFi Backscatter Communication," Sensors, Volume 21(4), Issue 1481, Pages 1-20, Feb. 2021.
[2020]
S.-H. Kim and J.-Y. Chung, "Analysis of the Envelope Correlation Coefficient of MIMO Antennas Connected with Suspended Lines," to appear in Journal of Electromagnetic Engineering and Science, 2020.
J.-Y. Shim and J.-Y. Chung, "Complex Permittivity Measurement of Artificial Tissue Emulating Material Using Open-Ended Coaxial Probe," to appear in IEEE Sensors Journal, 2020.
N. T. Nguyen and K. Lee*, "Deep learning-aided tabu search detection for large MIMO systems," IEEE Transactions on Wireless Communications, vol. 19, no. 6, pp. 4262-4275, June 2020.
T. V. Le and K. Lee, "Adaptive perturbation-aided opportunistic hybrid beamforming for mmWave systems," IEEE Transactions on Vehicular Technology, vol. 69, no. 6, pp. 6654-6662, June 2020.
D. Weon and K. Lee, "Learning-aided deep path prediction for sphere decoding in large MIMO systems," IEEE Access, vol. 8, no. 1, pp. 70870-70877, Apr. 2020.
E. E. Bahingayi and K. Lee, "Low-complexity incremental search-aided hybrid precoding and combining for massive MIMO systems," IEEE Access, vol. 8, no. 1, pp. 66867-66877, Apr. 2020.
N. T. Nguyen and K. Lee, "Unequally sub-connected architecture for hybrid beamforming in massive MIMO systems," IEEE Transactions on Wireless Communications, vol. 19, no. 2, pp. 1127-1140, Feb. 2020.
E. E. Bahingayi and K. Lee, "Hybrid combining based on constant phase shifters and active/Inactive switches," IEEE Transactions on Vehicular Technology, vol. 69, no. 4, pp. 4058-4068, Apr. 2020.
N. T. Nguyen and K. Lee, "Groupwise neighbor examination for tabu search detection in large MIMO systems," IEEE Transactions on Vehicular Technology, vol. 69, no. 1, pp. 1136-1140, Jan. 2020.
Sanghyun Kim and Ji-Hoon Yun, "Motion-Aware Interplay Between WiGig and WiFi for Wireless Virtual Reality," Sensors, Volume 20(23), Issue 6782, Pages 1-17, Nov. 2020.
Sanghyun Kim and Ji-Hoon Yun, "Wider-Bandwidth Operation of IEEE 802.11 for Extremely High Throughput: Challenges and Solutions for Flexible Puncturing," IEEE Access, Volume 8, Pages 213840-213853, Nov. 2020.
Hwanwoong Hwang and Ji-Hoon Yun, "Adaptive Transmission Repetition and Combining in Bistatic WiFi Backscatter Communications," IEEE Access, Volume 8, Issue 1, Pages 55023-55031, Mar. 2020.
[2019]
Y. S. Lee, J.‐Y. Chung, S. B. Jeon, A.‐K. Lee, and H.‐D. Choi, "Proposal of 28 GHz InVitro Exposure System Based on Field Uniformity for Three-Dimensional Cell Culture Experiments," Bioelectromagnetics, vol. 40, pp. 445-457, 2019.
S. Hout and J.-Y. Chung, "Design and Characterization of a Miniaturized Implantable Antenna in a Seven-Layer Brain Phantom," IEEE Access, vol. 7, pp. 162062-162069, 2019.
이용혁, 정재영, "소형 안테나의 광대역 정합 및 수신전력 개선을 위한 비-포스터 회로 설계," 한국전자파학회논문지, vol. 30, no. 7, pp. 533-541, Jul. 2019.
B. Rana, J. Shim and J.-Y. Chung, "An Implantable Antenna With Broadside Radiation for a Brain–Machine Interface," IEEE Sensors Journal, vol. 19, no. 20, pp. 9200-9205, 15 Oct.15, 2019.
이종협, 이용혁, 최성로, 정재영, 박용배, "비-포스터 회로가 결합된 UHF 대역 CRLH 전송선 안테나 설계," 한국전자파학회논문지, vol. 30, no. 7, pp. 603-606, Jul. 2019.
P. A. Dzagbletey, J.-Y. Shim and J.-Y. Chung, "Quarter-Wave Balun Fed Vivaldi Antenna Pair for V2X Communication Measurement," IEEE Transactions on Antennas and Propagation, vol. 67, no. 3, pp. 1957-1962, Mar. 2019.
J.‑Y. Jeong and J.-Y. Chung, "Ultra Wideband Spherical Self‑Complementary Antenna with Capacitive and Inductive Loadings," Journal of Electrical Engineering & Technology, vol. 14, no. 2, pp. 833–838, Mar. 2019.
J.-Y. Shim, J.-G. Go, and J.-Y. Chung, "A 1-D Tightly Coupled Dipole Array for Broadband mmWave Communication," IEEE Access, vol. 7, no. 1, pp. 8258-8265, Dec. 2019.
A. Abdi and H.-K. Cha, "A regulated multiple-output high-voltage charge pump IC for implantable neural stimulators", Elsevier Microelectronics Journal, vol.92, Oct. 2019
A. Abdi, H. S. Kim, and H.-K. Cha, "A high-voltage generation charge-pump IC using input voltage modulated regulation for neural implant devices", IEEE Trans. on Circuits and Systems II, vol. 66, no. 3, pp. 342-346, Mar. 2019
L. Tran, H.-K. Cha, and W.-T. Park, "A compact wireless power transfer system at 915 MHz with supercapacitor for optogenetics applications ", Sensors & Actuators: A. Physical, vol.285, no.1, pp.386-394, Jan. 2019
H.-K. Cha, "A highly-integrated low-noise MICS band receiver RF front-end IC with AC-coupled current mirror amplifier", Journal of Circuits, Systems, and Computers, vol. 28, no. 1, Jan. 2019
T. Kwon and H. LEE, "Broadcast Range Performances for Random Access Based Wireless Mutual Broadcast," IEEE Communications Letters, to appear.
Thanh Cong Nguyen, Sanghyun Kim, Ju-Hyung Son and Ji-Hoon Yun, "Selective Timewarp based on Embedded Motion Vectors for Interactive Cloud Virtual Reality," IEEE Access, Volume 7, Issue 1, Pages 3031-3045, Jan. 2019.
N. T. Nguyen, K. Lee, and H. Dai, "QR-decomposition-aided tabu search detection for large MIMO systems," IEEE Transactions on Vehicular Technology, vol. 68, no. 5, pp. 4857-4870, May 2019.
Long Hoang Vu and Ji-Hoon Yun, "Multi-Carrier Listen Before Talk with Power Leakage Awareness for LTE-LAA in Unlicensed Spectrum," IEEE Transactions on Cognitive Communications and Networking, Volume 5, Issue 3, Pages 678-689, Sep. 2019.
Long Hoang Vu and Ji-Hoon Yun, "Adaptive Self-Deferral for Carrier Aggregation of LTE-LAA with RF Power Leakage in Unlicensed Spectrum," IEEE Access, Volume 7, Issue 1, Pages 89292-89305, Jul. 2019.
Sanghyun Kim and Ji-Hoon Yun, "Efficient Frame Construction for Multi-User Transmission in IEEE 802.11 WLANs," IEEE Transactions on Vehicular Technology, Volume 68, Issue 6, Pages 5859-5870, Jun. 2019.
Hwanwoong Hwang, Jae-Han Lim, Ji-Hoon Yun and Byung Jang Jeong, "Pattern-based Decoding for Wi-Fi Backscatter Communication of Passive Sensors," Sensors, Volume 19, Issue 5, Pages 1-18, Mar. 2019.
Thanh Cong Nguyen, Sanghyun Kim, Ju-Hyung Son and Ji-Hoon Yun, "Selective Timewarp based on Embedded Motion Vectors for Interactive Cloud Virtual Reality," IEEE Access, Volume 7, Issue 1, Pages 3031-3045, Jan. 2019.
[2018]
T. Q. Tran, S. Sugiura, and K. Lee, "Ordering- and partitioning-aided sphere decoding for generalized spatial modulation," IEEE Transactions on Vehicular Technology, vol. 67, no. 10, pp. 10087-10091, Oct. 2018.
N. T. Nguyen and K. Lee, "Coverage and cell-edge sum-rate analysis of mmWave massive MIMO systems with ORP schemes and MMSE receivers," IEEE Transactions on Signal Processing, vol. 66, no. 20, pp. 5349-5363, Oct., 2018.
T. V. H. Nguyen, S. Sugiura, and K. Lee, "Low-complexity sphere search-based adaptive spatial modulation," IEEE Transactions on Vehicular Technology, vol. 67, no. 8, pp. 7836-7840, Aug., 2018.
T. V. Le and K. Lee*, "Adaptive perturbation-aided opportunistic beamforming," IEEE Communications Letters. vol. 22, no. 8, pp. 1660-1663, Aug., 2018.
S. A. saputro, S. Nandiwardhana and J.-Y. Chung, "Estimation of Antenna Correlation Coefficient of an N-port Lossy MIMO Array," ETRI Journal, vol. 40, no. 3, pp. 303-308, Jun. 2018.
H. S. Kim and H.-K. Cha, "An ultra low-power low-noise neural recording analog front-end IC for implantable devices", Journal of Semiconductor Technology and Science, vol.18, no.4, Aug. 2018
H. S. Kim and H.-K. Cha, "A low-noise biopotential CMOS amplifier IC using low-power two-stage OTA for neural recording applications", Journal of Circuits, Systems, and Computers, vol. 27, no. 5, May. 2018
R. Nakai, M. Oiwa, K. Lee, and S. Sugiura, “Generalized buffer-state-based relay selection with collaborative beamforming,” IEEE Transactions on Vehicular Technology, vol. 67, no. 2, pp. 1245-1257, Feb, 2018.
Jae-Han Lim, Katsuhiro Naito, Ji-Hoon Yun and Mario Gerla, "Reliable Safety Message Dissemination in NLOS intersections using TV White Spectrum," IEEE Transactions on Mobile Computing, Volume 17, Issue 1, Pages 169-182, Jan. 2018.
Thanh Cong Nguyen and Ji-Hoon Yun, "Predictive Tile Selection for 360-Degree VR Video Streaming in Bandwidth-Limited Networks," IEEE Communications Letters, Volume 22, Issue 9, Pages 1858-1861, June 2018.
T. Kwon and H. LEE, "Hybrid-Duplex Wireless Peer Discovery with Imperfect Self-Interference Cancellation," IEEE Communications Letters, vol. 22, no. 3, pp. 598-601, Mar. 2018.
S. Han, J. Lee, T. Kwon, and J.-W. Choi, “Performance Analysis on DPSK Modulation Employing Symbol Repetition and Interleaving”, International Journal of Communication Systems, vol. 31, no. 11, Apr. 2018.
[2017]
Yuris Mulya Saputra and Ji-Hoon Yun, "E-MICE: Energy-Efficient Concurrent Exploitation of Multiple Wi-Fi Radios," IEEE Transactions on Mobile Computing, Volume 16, Issue 7, Pages 1870-1880, Jul. 2017.
Jae-Han Lim, Katsuhiro Naito, Ji-Hoon Yun and Mario Gerla, "Exploiting Overlapped Bands for Efficient Broadcast in Multi-channel Wireless Networks," IEEE Transactions on Vehicular Technology, Volume 66, Issue 5, Pages 4355-4370, May 2017.
L. Tran, H.-K. Cha, and W.-T. Park, "RF energy harvesting: A review on designing methodologies and applications", Springer Open Micro and Nano Systems Letters, Feb. 2017
T. M. Nguyen and J.-Y. Chung, "Empirical study of stirring conditions on generating Rayleigh fading channels in a reverberation chamber," Microwave and Optical Technology Letters, vol. 59, no. 7, pp. 1585-1590, 2017.
J.-Y. Chung, "An ECG monitoring system using a conductive thread-based wearable antenna," Journal of the Korea Academia-Industrial cooperation Society, vol. 18, no. 5 pp. 10-15, 2017.
T. M. Nguyen and J.-Y. Chung, "Conductivity Measurement of E-textiles using a Microstrip Ring Resonator," International Journal of Engineering and Technology, vol. 9 no. 2, pp. 601-606, 2017.
J.-Y. Jeong and J.-Y. Chung, "0.65-7 GHz Inverse Conical Antenna for Reverberation Chamber," Journal of The Institute of Electronics and Information Engineers, vol.54, no.3, March 2017.
N. Pham and J.-Y. Chung, "Design of a Vehicle-Mounted GPS Antenna for Accurate Positioning," Journal of the KIECS, vol. 11, no. 2, Feb. 2016.
N. T. Nguyen and K. Lee, "Cell coverage extension with orthogonal random precoding for massive MIMO systems," IEEE Access, vol.5, Apr. 2017.
K. Pham and K. Lee, “Non-cooperative interference alignment for multicell multiuser MIMO uplink channels,” IET Communications, vol. 11, no. 5, pp. 648-654, Mar. 2017.
J.-H. Lee, I. Sohn, Y.-H. Kim, "Simultaneous Wireless Power Transfer and Secure Multicasting in Cooperative Decode-and-Forward Relay Networks," Sensors 2017, 17, 1128, May 2017.
S. H. Lee and I. Sohn, "Distributed Energy-Saving Cellular Network Management Using Message-Passing," IEEE Transactions on Vehicular Technology, vol. 66, no. 1, pp. 635-644, Jan. 2017.
[2016]
Hermanto and Ji-Hoon Yun, "Classification of Transmission Events based on Receive Power Pattern with Self-Tuning Thresholds in Wireless Receivers," Wireless Personal Communications, Volume 90, Issue 3, Pages 1487–1495, Oct. 2016.
Wayan Damayanti, Sanghyun Kim and Ji-Hoon Yun, "Collision Chain Mitigation and Hidden Device-Aware Grouping in Large-Scale IEEE 802.11ah Networks," Computer Networks, Volume 108, Pages 296-306, Oct. 2016.
Ji-Hoon Yun, "Intra and Inter-Cell Resource Management in Full-Duplex Heterogeneous Cellular Networks," IEEE Transactions on Mobile Computing, Volume 15, Issue 2, Pages 392-405, Feb. 2016.
K. Pham and K. Lee, “Interference alignment for multicell multiuser uplink channels,” IEEE Transactions on Vehicular Technology, vol. 65, no. 7, pp. 5146-5159, July, 2016.
A. Abdi and H.-K. Cha, "A bidirectional neural interface CMOS analog front-end IC with embedded isolation switch for implantable devices", Elsevier Microelectronics Journal, vol. 58, no.12, pp. 70-75, Dec. 2016
N. Pham, C. N. Dao, and J.-Y. Chung, " A Text-Meandered RFID Tag Implemented with Conductive Threads," Microwave and Optical Technology Letters, vol. 58, no. 8, pp. 1978-1984, Aug. 2016.
S. A. Saputro and J.-Y. Chung. "Hilbert Curve Fractal Antenna for Dual Off- and On-Body Communication," Progress in Electromagnetic Research Letters , vol. 58, pp. 81-86, 2016.
N. Pham, J.-Y. Chung, B. Lee, "A single-feed proximity-fed antenna for dual-band GPS receiver," Progress in Electromagnetic Research C, vol. 61, pp. 1-8, 2016.
T. M. Nguyen and J.-Y. Chung, "RF conductivity measurement of conductive Zell fabric," Journal of Electromagnetic Engineering and Science, vol. 16, no. 1, pp. 24-28, 2016.
J.-Y. Chung, "A Low-profile Antenna for Millimetre-wave Chip-to-Chip Communication," IET Microwaves, Antennas & Propagation, vol. 10, no. 12, pp.1245-1250, 2016.
I. Sohn and S. H. Lee, "Distributed Load Balancing Via Message-Passing for Heterogeneous Cellular Networks," IEEE Transactions on Vehicular Technology, vol. 65, no. 11, pp. 9287-9298, Nov. 2016.
J.-H. Lee, I. Sohn, Y.-H. Kim, "Transmit Power Allocation for Physical Layer Security in Cooperative Multi-Hop Full-Duplex Relay Networks," Sensors 2016, 16(10):1726, Oct. 2016.
J.-H. Lee, I. Sohn, S. Song, Y.-H. Kim, "Cooperative Decode-and-Forward Relaying for Secure Broadcasting," ETRI Journal, vol. 38, no. 5, pp. 922-933, Oct. 2016.
D. Kim, I. Sohn, K. B. Lee, "One-Shot Cooperative Beamforming for Downlink Multicell Systems," EURASIP Journal on Wireless Communications and Networking, 2016:177, Aug. 2016.
J. Choi, I. Sohn, and K. B. Lee, "Adaptive Remote Radio Head Control for Cloud Radio Access Networks," EURASIP Journal on Wireless Communications and Networking, 2016:173, July 2016.
S. Seong, I. Sohn, S. Choi, and K. B. Lee, "Reliable Low-Energy Group Formation for Infrastructure-less Public Safety Networks," EURASIP Journal on Wireless Communications and Networking, 2016:162, July 2016.
I. Sohn, J.-H. Lee, and S. H. Lee, "Low-Energy Adaptive Clustering Hierarchy Using Affinity Propagation for Wireless Sensor Networks," IEEE Communications Letters, vol. 20, no. 3, pp. 558-561, Mar. 2016.
J.-H. Lee, I. Sohn, and Y.-H. Kim, "Analog Cancellation Schemes for Full-Duplex MIMO OFDM Systems," International Journal of Electronics and Communications, vol. 70, no. 3, pp. 272-277, Mar. 2016.
I. Sohn and D. Gwak, "Single-RF MIMO-OFDM System with Beam Switching Antenna," EURASIP Journal on Wireless Communications and Networking, 2016:37, Feb. 2016.
J. So and T. Kwon, "Limited Reporting-based Cooperative Spectrum Sensing for Multiband Cognitive Radio Networks Article reference," AEUE - International Journal of Electronics and Communications, Jan. 2016.
[2015]
Ji-Hoon Yun and Kang G. Shin, "Distributed Coordination of Co-Channel Femtocells Via Inter-Cell Signaling with Arbitrary Delay," IEEE Journal on Selected Areas in Communications, Volume 33, Issue 6, Pages 1127-1139, June 2015.
K. Pham and K. Lee, “Low-complexity SIC detection algorithms for multiple-input multiple-output systems,” IEEE Transactions on Signal Processing, vol. 63, no. 17, pp. 425-4633, Sep. 2015.
D. L. Le, J.-H. Baek, and K. Lee, “Selective cooperative decoding based on a hard-decision-aided LLR approximation,” IET Communications, vol. 9, no. 24, pp. 1754-1762, Sep. 2015.
K. S. Gyamfi, J.-H. Baek and K. Lee, "Lattice reduction aided tabu search with a channel-dependent stopping criterion for MIMO systems," Electronics Letters, vol. 51, no. 24, pp. 2062-2064, Nov. 2015.
T. M. Nguyen, J.-Y. Chung, B. Lee, "Radiation characteristics of woven patch antennas composed of conductive threads," IEEE Transactions on Antennas and Propagation, vol. 63, no. 6, pp. 2796-2801, 2015.
P. M. Nguyen and J.-Y. Chung, "Characterisation of antenna substrate properties using surrogate-based optimisation," IET Microwaves, Antennas & Propagation, vol. 9, no. 9, pp. 867-871, 2015.
J.-Y. Chung, "Permittivity and permeability measurements of a thin film with patterned anisotropy at microwave frequencies," IEEE Transactions on Magnetics, vol. 51, no. 4, 2015.
H.-K. Cha, "A CMOS ultrasonic analogue front-end with a reconfigurable pulser/switch for medical imaging applications", IET Electronics Letters, vol.51, issue 20, pp. 1564-1566, Oct. 2015.
S. H. Lee and I. Sohn, "Message-Passing-Based Dynamic Point Selection for Coordinated Multipoint Transmission," IEEE Communications Letters, vol. 19, no. 10, pp. 1850-1853, Oct. 2015.
I. Sohn, "Distributed Power Control by Message-Passing for Very Large-Scale Networks," International Journal of Distributed Sensor Networks, Volume 2015 (2015), Article ID 902838, 12 pages, Aug. 2015.
S. H. Lee and I. Sohn, "Affinity Propagation for Energy-Efficient BS Operations in Green Cellular Networks," IEEE Transactions on Wireless Communications, vol. 14, no. 8, pp. 4534-4545, Aug. 2015.
D. Gwak, I. Sohn, and S. H. Lee, "Analysis of Single RF MIMO Receiver with Beam Switching Antenna," ETRI Journal, vol. 37, no. 3, pp. 647-656, Aug. 2015.
J. Jo and I. Sohn, "On the Optimality of Training Signals for MMSE Channel Estimation in MIMO-OFDM Systems," EURASIP Journal on Wireless Communications and Networking, 2015:105, Apr. 2015.
Y.-S. Sung, Y.-H. Kim, I. Sohn, S.-C. Kim, and J.-H. Lee, "Optimal Subcarrier Pairing for MRC in Powerline/Wireless Diversity OFDM Systems," Electric Power Systems Research, vol. 121, pp. 200-206, Apr. 2015.
S. H. Lee and I. Sohn, "Distributed Relay Pairing for Bandwidth Exchange Based Cooperative Forwarding," IEEE Communications Letters, vol. 19, no. 3, pp. 459-462, Mar. 2015.
T. Kwon, "Green Random Access for Wireless Peer Discovery," IEEE Communications Letters, vol. 19, no. 2, pp. 183-186, Feb. 2015.
[2014]
Jae-Han Lim, Wooseong Kim, Katsuhiro Naito, Ji-Hoon Yun, Danijela Cabric and Mario Gerla, "Interplay Between TVWS and DSRC: Optimal Strategy for Safety Message Dissemination in VANET," IEEE Journal on Selected Areas in Communications, Volume 32, Issue 11, Pages 2117-2133, November 2014.
Minho Park, Ji-Hoon Yun and Seung Yeob Nam, "A Stochastic Modeling for VM Consolidation in Cloud Computing," Journal of Internet Technology, Volume 15, No. 6, Pages 1051-1058, November 2014.
P. M. Nguyen and J.-Y. Chung, "Measurement of thin film composites using microstrip line fixtures,"Microwave and Optical Technology Letters, vol. 56, no. 9, pp. 2071-2074, 2014.
K. W. Choi and Z. Han, "Device-to-device discovery for proximity-based service in LTE-Advanced system," IEEE Journal of Selected Areas in Communications (D2D Communications), to appear, 2014.
D. Tribudi and K. W. Choi, "Hybrid random access and data transmission protocol for machine-to-machine communications in cellular networks," IEEE Trans. Wireless Commun., to appear, 2014.
B. Shresta, E. Hossain, K. W. Choi, and S. Camorlinga, "A Markov decision process (MDP)-based energy-efficient medium access strategy for IEEE 802.15.4," IEEE Trans. Wireless Commun., to appear, 2014.
J.-Y. Chung, "Permittivity and permeability measurements of a thin film with patterned anisotropy at microwave frequencies," accepted to IEEE Trans. Magnetics, to appear, 2014.
K. Lee, "Novel decoding algorithms for decode-and-forward cooperative beamforming systems," IET Communications, vol. 8, no. 17, pp. 3012-3018, Nov. 2014.
D. H. Lee, K. W. Choi, W. S. Jeon, and D. G. Jeong, "Two-stage semi-distributed resource management for device-to-device communication in cellular networks," IEEE Trans. Wireless Commun., vol. 13, no. 4, pp. 1908-1920, Apr. 2014.
P. M. Nguyen and J.-Y. Chung, "Measurement of thin film composites using microstrip line fixtures," Microw. Opt. Tech. Lett., vol. 56, no. 9, 2014.
A. Banuaji and H.-K. Cha, "A 15-V bidirectional ultrasound interface analog front-end IC for medical imaging using standard CMOS technology," IEEE Trans. on Circuits and Systems II,vol.61, no.8, Aug. 2014
H.-K. Cha and M. Je, "A single-input dual-output 13.56 MHz CMOS AC-DC converter with comparator-driven rectifiers for implantable devices," Elsevier Microelectronics Journal, vol. 45, no. 3, pp. 277-281 Mar. 2014
I. Sohn, H. Lee, and K. B. Lee, "Generalized MMSE beamforming for multicell MIMO systems with random user geometry and channel feedback latency,” EURASIP Journal on Wireless Communications and Networking, 2014:86, May 2014.
T. Kwon, "Transmission Probability Design for Random Access Based Wireless Peer Discovery," IEEE Communications Letters, vol. 18, no. 9, pp. 1603-1606, Sep. 2014.
T. Kwon and J.-W. Choi*, "Spatial Performance Analysis and Design Principles for Wireless Peer Discovery," IEEE Transactions on Wireless Communications, vol. 13, no. 8, pp. 4507-4519, Aug. 2014.
T. Kwon and J. M. Cioffi, "Spatial Spectrum Sharing for Heterogeneous SIMO Networks," IEEE Transactions on Vehicular Technology, vol. 63, no. 2, pp. 688-702, Feb. 2014.
[2013]
D. H. Lee, K. W. Choi, W. S. Jeon, and D. G. Jeong, "Two-stage semi-distributed resource management for device-to-device communication in cellular networks," IEEE Trans. Wireless Commun., to appear, 2013.
K. M. Thilina, K. W. Choi, N. Saquib, and E. Hossain, "Machine learning techniques for cooperative spectrum sensing in cognitive radio networks," IEEE Journal of Selected Areas in Communications (Cognitive Radio Series), vol. 31, no. 11, Nov. 2013.
D. H. Lee, W. S. Jeon, K. W. Choi, and D. G. Jeong, "Adaptive transmission policy over Rayleigh fading channels for cooperative networks with limited feedback," IET Communications, vol. 7, no. 17, Nov. 2013.
B. Shresta, K. W. Choi, and E. Hossain, "A dynamic time slot allocation scheme for hybrid CSMA/TDMA MAC protocol," IEEE Wireless Commun. Lett., vol. 2, no. 5, Oct. 2013.
J. H. Yun and M.H.Park, " Single-Adversary Relaying Attack Defense Mechanism in Wireless Ad Hoc Networks," Wireless Personal Communications, vol. 78, no.4, pp. 2519-2532, Oct. 2013.
W. Yu, T. Kwon, and C. Shin, "Multicell Coordination via Joint Scheduling, Beamforming, and Power Spectrum Adaptation," IEEE Transactions on Wireless Communications, vol. 12, no. 7, pp. 3300-3313, July 2013.
S. Choi, J. H. Yun, and K. W. Choi, "Functional duality between distributed source coding with one distortion criterion and semi-deterministic broadcast channel coding in the case of correlated messages," IEEE Commun. Lett., vol. 17, no. 6, pp. 1236-1239, June 2013.
H.-K. Cha, D. Zhao, J. H. Cheong, B. Guo, H. Yu, and M. Je, "A CMOS high-voltage transmitter IC for ultrasound medical imaging applications," IEEE Trans. on Circuits and Systems II,vol.60, no.6, June. 2013.
T. Kwon and J. M. Cioffi, "Random Deployment of Data Collectors for Serving Randomly-Located Sensors," IEEE Transactions on Wireless Communications, vol. 12, no. 6, pp. 2556-2565, June 2013.
K. Lee,“Uplink interference alignment for two-cell MIMO interference channels,” IEEE Transactions on Vehicular Technology, vol. 62, no. 4, pp. 1861-1865, May 2013.
J. H. Yun, " Performance Analysis of IEEE 802.11 WLANs with Rate Adaptation in Time-Varying Fading Channels," Computer Networks, vol. 57, no.5, pp. 1153-1166, Apr. 2013.
K. W. Choi, S. Choi, J. H. Yun, "On the Joint Distribution of Aggregate Interference at Multiple Wireless Receivers," IEEE Trans. Veh. Technol ., vol. 62, no.3, pp. 1355-1362, Mar. 2013.
D. Zhao and H.-K. Cha, "A 30-V transmitter front-end IC for ultrasound medical imaging applications," Elsevier Microelectronics Journal, vol. 44, no.3, pp. 185-189, Mar. 2013.
J. H. Yun, " On the Relationship between Transmission Rate and Network Capacity in Multi-Radio Multi-Channel Wireless Mesh Networks," Wireless Personal Communications, vol. 68, no.3, pp. 671-678, Feb. 2013.
J.-B. Seo, T. Kwon, and V. C. M. Leung, "Social Groupcasting Algorithm for Wireless Cellular Multicast Services," IEEE Communications Letters, vol. 17, no. 1, pp. 47-50, Jan. 2013.
J.-Y. Chung and W. Hong, "Measurement accuracy enhancement using an optical probe system for electrically small MIMO antennas," Microwave and Optical Technology Letters, vol. 55, no. 2, pp. 238-241, 2013.
[2012]
H.-K. Cha, D. L. Yan, M.K. Raja, and M. Je, “A 1-V 1.2-mW CMOS MedRadio receiver for biomedical applications,” Microwave and Optical Technology Letters, vol.54, no. 12, pp. 2821-2825, Dec. 2012.
S. Lee, K. W. Choi, and S.-L. Kim, "Maximum likelihood detection of random primary networks for cognitive radio systems," IEICE Trans. on Commun.., vol. E95-B, no. 10, pp. 3365 - 3369, Oct. 2012., 2012.
H.-K. Cha, W.-T. Park, and M. Je, “A CMOS rectifier with cross-coupled latched comparator for wireless power transfer in biomedical applications,” IEEE Trans. on Circuits and Systems II, vol. 59, no. 7, pp. 409-413, July. 2012.
J. H. Yun, "Cross-layer analysis of the random access mechanism in Universal Terrestrial Radio Access," Elsevier Computer Networks, vol. 56, no. 1, pp. 315 - 328, Jan. 2012.
J.-Y. Chung, N. K. Nahar, L. Zhang, Y. Bayram, K. Sertel, and J. L. Volakis, “Broadband RF conductivity measurement technique for engineered composites,” IET Microwaves Antennas and Propagation, vol. 6, no. 4, pp. 371-376, 2012.
J.-Y. Chung and T. Yang, “Size reduction of mobile broadcasting antennas using two-coil loading,” IEEE Antennas and Wireless Propagation Letters, vol. 11, pp. 460-463, 2012.
D. Kim, O.-S. Shin, I. Sohn, and K. B. Lee, "Channel Feedback Optimization for Network MIMO Systems," IEEE Transactions on Vehicular Technology, vol. 61, no. 7, pp. 3315-3321, Sept. 2012.
I. Sohn, C. S. Park, and K. B. Lee, “Downlink Multiuser MIMO Systems with Adaptive Feedback Rate,” IEEE Transactions on Vehicular Technology, vol. 61, no. 3, pp. 1445-1451, Mar. 2012.
[2011]
N. K. Nahar, J.-Y. Chung, I. Tzanidis, K. Sertel, and J. L. Volakis,“Optically transparent RF-EO aperture with 20:1 bandwidth,” Microwave and Optical Technology Letters, vol. 53, no. 8, pp. 1863-1866, Aug. 2011.
H.-K. Cha, M.K. Raja, X. Yuan, and M. Je, “A CMOS MedRadio receiver RF front-end with complementary current-reuse LNA,” IEEE Trans. on Microwave Theory and Techniques, vol.59, no.7, pp. 1846-1854, July. 2011.
J. H. Yun and K. G. Shin, "Adaptive interference management of OFDMA femtocells for co-channel deployment," IEEE Journal on Selected Areas in Communications, vol. 29, no. 6, pp. 1225 - 1241, June 2011.
J.-Y. Chung, T. Yang, and J. Lee, “Low correlation MIMO antenna with negative group delay,” Progress in Electromagnetic Research, vol. 22, pp. 151-163, 2011.
I. Sohn, S. H. Lee, and J. G. Andrews, "Belief Propagation for Distributed Downlink Beamforming in Cooperative MIMO Cellular Networks," IEEE Transactions on Wireless Communications, vol. 10, no. 12, pp. 4140-4149, Dec. 2011.
[2010]
T.H. Teo, P.K. Gopalakrishnan, Y.S. Swan, X. Qian, K. Haridas, C.Y. Pang, H.-K. Cha, and M. Je, “A 700-uW wireless sensor node SoC for continuous real-time health monitoring,” IEEE J. of Solid-State Circuits, vol. 45, no.11, pp. 2292-2299, Nov. 2010.
H.-K. Cha, K. Kwon, J. Choi, H.-T. Kim, and K. Lee, “A CMOS wideband RF front-end with mismatch calibrated harmonic rejection mixer for terrestrial digital TV tuner applications,” IEEE Trans. on Microwave Theory and Techniques, vol. 58, no.8, pp. 2143-2151, Aug. 2010.
H.-K. Cha, “A CMOS RF programmable gain amplifier using current mirror method for digital TV tuner applications,” IEICE Trans. on Electronics, vol.E93-C, no.5, pp. 706-708, May. 2010.
K. Lee and L. Hanzo, “Resource-efficient wireless relaying protocols,” IEEE Wireless Communications Magazine, vol 17, no. 2, pp. 66 - 76, April 2010.
H.-K. Cha, “A CMOS sub-GHz wideband low-noise amplifier for digital TV tuner applications,” IEICE Trans. on Electronics, vol.E93-C, no.1,pp.142-144, Jan. 2010.
J.-Y. Chung, K. Sertel, and J. L. Volakis, “Broadband characterization of bulk and thin magnetic composites using stripline structures,” IEEE Transaction on Microwave Theory and Techniques, vol. 58, no. 11, pp. 2960-2967, 2010.
J.-Y. Chung, “Ultra-wideband dielectric-loaded horn antenna with dual-linear polarization capability,” Progress in Electromagnetic Research, PIER 102, pp. 397-411, 2010.
I. Sohn and J. G. Andrews, "Approaching Large-System Limits Faster in Multiuser MIMO with Adaptive Channel Feedback Adjustments," IEEE Communications Letters, vol. 14, no. 12, pp. 1125-1127, Dec. 2010.
H. Lee, I. Sohn, and K. B. Lee, “Low-Feedback-Rate and Low-Complexity Downlink Multiuser MIMO Systems,” IEEE Transactions on Vehicular Technology, vol. 59, no. 7, pp. 3640-3645, Sep. 2010.
I. Sohn, J. G. Andrews, and K. B. Lee, “MIMO Broadcast Channel with Spatial Heterogeneity,” IEEE Transactions on Wireless Communications, vol. 9, no. 8, pp. 2449-2454, Aug. 2010.
I. Sohn, J. Choi, B. O. Lee, and K. B. Lee, “Unitary Beamforming Multi-user MIMO System with Efficient User Scheduling Algorithm,” IEICE Transactions on Communications, vol. E93-B, no. 7, pp. 1965-1968, July 2010.
[2009]
K. Lee and L. Hanzo, “Optimal decoding for hard-decision forwarding aided cooperative spatial multiplexing systems,” IEEE Transactions on Wireless Communications, vol. 8, no. 9, Sept. 2009.
J. H. Yun, "Cross-layer explicit link status notification to improve TCP performance in wireless networks," EURASIP Journal on Wireless Communications and Networking, vol. 2009, Article ID 617818, 15 pages, Accepted 28 April 2009, doi:10.1155/2009/617818, Hindawi Publishing Corporation.
S.-H. Won, K. Lee, and L. Hanzo, “Initial code acquisition in the cooperative non-coherent MIMO DS-CDMA downlink,” IEEE Transactions on Vehicular Technology, vol. 58, no. 3, pp. 1387-1395, Mar. 2009.
J. H. Yun, "Throughput analysis of IEEE 802.11 WLANs with automatic rate fallback in a lossy channel," IEEE Transactions on Wireless Communications, vol. 8, no. 2, pp. 689 - 693, Feb. 2009.
K. Lee and L. Hanzo, “MIMO-assisted hard versus soft decoding-and-forwarding for network coding aided relaying systems,” IEEE Transactions on Wireless Communications, vol. 8, no. 1, pp. 376 - 385, Jan. 2009.
J.-Y. Chung, K. Sertel, and J. L. Volakis, “A Non-invasive metamaterial characterization system using synthetic Gaussian aperture,” IEEE Transaction on Antennas and Propagation, vol. 57, no. 7, pp. 2006-2013, 2009.
I. Sohn, K. B. Lee, Y. S. Choi, “Comparisons of Decentralized Time Slot Allocation Strategy for Asymmetric Traffic in TDD Systems,” IEEE Transactions on Wireless Communications, vol. 8, no. 6, pp. 2990-3003, June 2009.
[2008]
H.-K. Cha, S.-S. Song, H.-T. Kim, and K. Lee, "A CMOS harmonic rejection mixer with mismatch calibration circuitry for digital TV tuner applications", IEEE Microwave Wireless Components Letters, vol.18, no.9, pp. 617-619, Sept. 2008
J. H. Yun, "Reliable rate adaptation for block acknowledgement in IEEE 802.11e wireless LANs," Electronics Letters, vol. 44, no. 3, pp. 216 - 217, Jan. 2008.
J.–Y. Chungand C.-C. Chen, “Two-layer dielectric rod antenna,” IEEE Transaction on Antennas and Propagation, vol. 56, no. 6, pp. 1541-1547, 2008.
I. Sohn, B. O. Lee, and K. B. Lee, “Balancing Uplink and Downlink under Asymmetric Traffic Environments Using Distributed Receive Antennas,” IEICE Transactions on Communications, vol. E91-B, no. 10, pp. 3141-3148, Oct. 2008.
W. Lee, I. Sohn, B. O. Lee and K. B. Lee, "Enhanced Unitary Beamforming Scheme for Limited-Feedback Multiuser MIMO Systems", IEEE Communications Letters, vol. 12, no. 10, pp. 758-760, Oct. 2008.
[2007]
K. Lee and J. Chun, “ML symbol detection based on the shortest path algorithm for MIMO systems,” IEEE Transactions on Signal Processing, vol. 55, no. 11, pp. 5477 - 5484, Nov. 2007.
J. H. Yun and S. W. Seo, "New hidden station detection scheme for adaptive RTS/CTS exchange in IEEE 802.11 WLANs," IEICE Transactions on Communications, vol. E90-B, no. 10, pp. 2827 - 2835, Oct. 2007.
K. Lee, J. Chun, and L. Hanzo, “Optimal lattice-reduction aided successive interference cancellation for MIMO systems,” IEEE Transactions on Wireless Communications, vol. 6, no. 7, pp. 2438 - 2443, July. 2007.
J.-Y. Kim, T. Kwon, and D.-H. Cho, "Resource Allocation Scheme for Minimizing Power Consumption in OFDM Multicast Systems," IEEE Communications Letters, vol. 11, no. 6, pp. 486-488, Jun. 2007.
J. H. Yun, I. H. Kim, J. H. Lim, and S. W. Seo, "WODEM: Wormhole attack defense mechanism in wireless sensor networks," Lecture Notes in Computer Science (LNCS), vol. 4412, pp. 200 - 209, Jun. 2007.
I. Nam, K. Choi, J. Lee, H.-K. Cha, B. Seo, K. Kwon, and K. Lee, "A 2.4 GHz low-power low-IF receiver and direct-conversion transmitter in 0.18μm CMOS for IEEE 802.15.4 WPAN applications", IEEE Trans. on Microwave Theory and Techniques, vol.55, no. 5, pp. 682-689, May 2007
I. Kim, K. Lee, and J. Chun, “A MIMO antenna structure that combines transmit beamforming and spatial multiplexing,” IEEE Transactions on Wireless Communications, vol. 6, no. 3, pp. 775 - 779, Mar. 2007.
J. H. Yun and S. W. Seo, "Novel collision detection scheme and its applications for IEEE 802.11 wireless LANs," Elsevier Computer Communications, vol. 30, no. 6, pp. 1350 - 1366, Mar. 2007.
K. Lee and J. Chun, “Symbol detection in V-BLAST architectures under channel estimation errors,” IEEE Transactions on Wireless Communications, vol. 6, no. 2, pp. 593-597, Feb. 2007.
K. Lee and J. Chun, “Frequency offset estimation for MIMO and OFDM systems using orthogonal training sequences,” IEEE Transactions on Vehicular Technology, vol. 56, no. 1, pp. 146 - 156, Jan. 2007.
[2006]
H.-K. Cha, I. Yun, J. Kim, B.-C. So, K. Chun, I. Nam, and K. Lee, "A 32-KB standard CMOS antifuse one-time programmable ROM embedded in a 16-b microcontroller", IEEE J. of Solid-State Circuits, vol. 41, no.9, pp. 2115-2124, Sept. 2006.
[2004]
H.-K. Cha, J. Kim, and K. Lee, "A high-density 64K-bit one time programmable ROM array with 3-transistor cell standard CMOS gate-oxide antifuse", J. of Semiconductor Technology and Science, Vol 4, no. 2, pp.106-109, June 2004.