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2020 – today
- 2024
[j49]Md. Moklesur Rahman, Heung-Gyoon Ryu
:
ESPAR array design for the wireless communication and IoT applications. Telecommun. Syst. 85(2): 237-246 (2024)- [c121]Kirill Vanin, Heung-Gyoon Ryu:
Design and Evaluation of OTSM(Orthogonal Time Sequency Multiplexing) Communication System in Rayleigh Fading Channel. ICAIIC 2024: 1-4 - [c120]Heung-Gyoon Ryu:
OCDM System Design by iDFT Transform and 2 Phase Controllers for 6G Wireless Waveform. MOCAST 2024: 1-4 - 2023
- [j48]Md. Moklesur Rahman, Heung-Gyoon Ryu:
ESPAR array design for the UHF RFID wireless sensor communication system. Int. J. Commun. Syst. 36(8) (2023) - [c119]Kirill Vanin, Heung-Gyoon Ryu, Ansar R. Safin, Oleg V. Kravchenko:
Interference-Robust OFDM Communication System using Weight Functions. ICAIIC 2023: 154-157 - [c118]Md. Moklesur Rahman, Heung-Gyoon Ryu:
OCDM System with PAPR Reduction for Sub-THz Wireless Communication. ICTC 2023: 227-231 - [c117]Md. Moklesur Rahman, Heung-Gyoon Ryu:
Power Efficient Long Range IoT Communication of Wireless PPM System in ISM Band. ICUFN 2023: 539-543 - 2022
- [j47]Md. Moklesur Rahman, Heung-Gyoon Ryu:
IoT Sensor Network Using ESPAR Antenna Based on Beam Scanning Method for Direction Finding. Sensors 22(19): 7341 (2022) - [j46]Dayoung Kim, Heung-Gyoon Ryu:
Flexible TDMA System for the Efficient Microwave Power Transmission to Multiple Power Receiver. Wirel. Pers. Commun. 125(4): 3393-3403 (2022) - [c116]Md. Moklesur Rahman, Heung-Gyoon Ryu:
2x2 Array Design of ESPAR Antenna for IoT Communication System. APCC 2022: 380-383 - [c115]Changyoung An, Hyeong Min Kwon, Heung-Gyoon Ryu:
Ambient Backscatter Communication System Utilizing Multicarrier Signal. CCNC 2022: 511-512 - [c114]Changyoung An, Hyeong Min Kwon, Heung-Gyoon Ryu:
Efficient Wireless MPT(Microwave Power Transfer) System to the Multiple IoT Devices. ICEIC 2022: 1-3 - [c113]Md. Moklesur Rahman, Heung-Gyoon Ryu:
Design of Ultra-Wideband Patch Antenna for Multiple Communication Services. ICEIC 2022: 1-3 - [c112]Changyoung An, Hyeong Min Kwon, Heung-Gyoon Ryu:
Beamforming Design of the Wireless Power Transfer System into Multiple IoT Sensors. ICACT 2022: 197-200 - [c111]Toufiq Aziz, Heung-Gyoon Ryu:
Selective Beam Switching System for RFID based WSN Communication. ICCE 2022: 1-5 - [c110]Toufiq Aziz, Heung-Gyoon Ryu:
ESPAR Antenna Design for the Interference Mitigation in WSN Communication System. ICOIN 2022: 368-371 - [c109]Md. Moklesur Rahman, Heung-Gyoon Ryu:
Wireless PLL Communication System for Next Generation loT Application. ICTC 2022: 2083-2085 - [c108]Changyoung An, Heung-Gyoon Ryu:
Design of Middle Range Microwave Power Transfer (MPT) System for the Mobile Power Receiver. ICUFN 2022: 260-262 - [c107]Md. Moklesur Rahman, Heung-Gyoon Ryu:
RFID based IoT Sensor Communication System with ESPAR Antenna. WPMC 2022: 510-513 - 2021
- [j45]Changyoung An, Heung-Gyoon Ryu:
Multiple-input multiple-output system design of multidimensional orthogonal frequency division multiplexing system with coded direct index modulation. Trans. Emerg. Telecommun. Technol. 32(3) (2021) - [j44]Md. Najmul Hossain, Heung-Gyoon Ryu:
Advanced OTFS communication system with compact spectrum and power efficiency improvement. Int. J. Commun. Syst. 34(16) (2021) - [c106]Toufiq Aziz, Tarek Mahmud Faisal, Heung-Gyoon Ryu, Md. Najmul Hossain:
Vehicle Speed Control and Security System. ICEIC 2021: 1-4 - [c105]Changyoung An, Hyeong Min Kwon, Heung-Gyoon Ryu:
Lowest-In First-Service System for the Efficient MPT (Microwave Power Transfer) to Multiple Receivers. ICOIN 2021: 594-596 - [c104]Mohammad Tanvir Mahmud, Heung-Gyoon Ryu:
Performance Evaluation of OFDM Hybrid Number and Index Modulation for 6G Mobile System. ICTC 2021: 39-42 - [c103]Toufiq Aziz, Heung-Gyoon Ryu:
Selective Beam Switching System for Wireless Sensor Network Communication. ICTC 2021: 94-97 - [c102]Md. Moklesur Rahman, Heung-Gyoon Ryu:
Compact Multiple Wideband Slotted Circular Patch Antenna for Satellite and Millimeter-Wave Communications. ICTC 2021: 233-236 - [c101]Md. Moklesur Rahman, Toufiq Aziz, Heung-Gyoon Ryu:
UHF RFID Wireless Communication System for Real Time ECG Monitoring. ICUFN 2021: 276-279 - [c100]Md. Moklesur Rahman, Heung-Gyoon Ryu:
POSTER: RFID Based WSN Communication System in Interference Channel. LANMAN 2021: 1-2 - 2020
- [j43]Changyoung An, Heung-Gyoon Ryu:
Design and Performance Evaluation of Multidimensional OFDM System. Wirel. Pers. Commun. 113(4): 2625-2640 (2020) - [j42]Md. Najmul Hossain, Yosuke Sugiura, Tetsuya Shimamura, Heung-Gyoon Ryu:
DFT-Spread OTFS Communication System with the Reductions of PAPR and Nonlinear Degradation. Wirel. Pers. Commun. 115(3): 2211-2228 (2020) - [c99]Changyoung An, Heung-Gyoon Ryu:
Compensation Systems and Performance Comparison of the Very High Doppler Frequency. COMNET 2020: 1-4 - [c98]Byounghak Park, Heung-Gyoon Ryu:
Performance Evaluation of OTFS Communication System in Doubly Selective Channel. FNC/MobiSPC 2020: 325-330 - [c97]Changyoung An, Heung-Gyoon Ryu:
Multi-Mode OFDM Communication System Using the Multiple Constellations. ICOIN 2020: 432-436 - [c96]Changyoung An, Hyeong Min Kwon, Heung-Gyoon Ryu:
Receiver Design of the WR-OFDM System Robust to Long Delay Multipath. ICTC 2020: 817-819 - [c95]Byounghak Park, Hyeong Min Kwon, Heung-Gyoon Ryu:
SFFT-Based OTFS Communication System Robust to High Doppler and Long Delay Channel. ICTC 2020: 850-853 - [c94]Myunggi Kim, Heung-Gyoon Ryu:
Bandwidth Expansion of the IBFD Communication System Using Balanced Feed Networks. VTC Spring 2020: 1-4 - [c93]Changyoung An, Heung-Gyoon Ryu:
Dimension Expansion of OFDM System for the Spectral Efficiency Improvement. WCNC Workshops 2020: 1-4 - [c92]Md. Najmul Hossain, Yosuke Sugiura, Tetsuya Shimamura, Heung-Gyoon Ryu:
Waveform Design of Low Complexity WR-OTFS System for the OOB Power Reduction. WCNC Workshops 2020: 1-5 - [c91]Changyoung An, Heung-Gyoon Ryu:
Spectrum Efficient Multidimensional OFDM-CDIM Communication System. WPMC 2020: 1-4
2010 – 2019
- 2019
- [j41]Changyoung An, Heung-Gyoon Ryu:
4D-8PSK-TCM System for the Specrum and Power Efficient Satellite Communication. Wirel. Pers. Commun. 105(4): 1585-1598 (2019) - [j40]Changyoung An, Heung-Gyoon Ryu:
High Throughput Mobile Communication Based on OTFS System with the Delay-Doppler Compensation. Wirel. Pers. Commun. 106(2): 473-486 (2019) - [j39]Changyoung An, Heung-Gyoon Ryu:
Compensation System Design and Comparison of Very High Doppler Frequency Effect. Wirel. Pers. Commun. 108(2): 879-894 (2019) - [j38]Changyoung An, Heung-Gyoon Ryu:
A Multi-mode OFDM System with Coded Direct Index Modulation (MM-OFDM-CDIM). Wirel. Pers. Commun. 109(2): 945-961 (2019) - [c90]Changyoung An, Heung-Gyoon Ryu:
Design and Performance Evaluation of Spectral Efficient Orthogonal Time Frequency Space System. 5G World Forum 2019: 249-252 - [c89]Byounghak Park, Heung-Gyoon Ryu:
Design and Performance Evaluation of SW(Single extension Windowing)-Based CP-OFDM System for the Sharp OOB Spectrum. 5G World Forum 2019: 508-511 - [c88]Myunggi Kim, Taebum Gu, Heung-Gyoon Ryu:
Design and Mobile Tracking Performance of a Retro-Directive Array (RDA) Antenna System. ADHOCNETS 2019: 231-237 - [c87]Kyeongsoo Jang, Dayoung Kim, Changyoung An, Heung-Gyoon Ryu:
Window Processing of SSB CP-OFDM System for the OOB Spectrum Reduction. ICEIC 2019: 1-4 - [c86]Dayoung Kim, Heung-Gyoon Ryu:
Trade-Off Characteristic between BER Performance and OOB Power Emission in WR-OFDM System. ICTC 2019: 846-849 - [c85]Myunggi Kim, Changyoung An, Heung-Gyoon Ryu:
Effective Self-Interference Cancellation for IBFD (In-Band Full Duplex) Communication System. ICUFN 2019: 490-493 - 2018
- [j37]Changyoung An, Heung-Gyoon Ryu:
Design and Performance Comparison of W-OFDM Under the Nonlinear HPA Environment. Wirel. Pers. Commun. 98(1): 983-999 (2018) - [c84]Md. Najmul Hossain, Tetsuya Shimamura, Dayoung Kim, Heung-Gyoon Ryu:
Waveform Design of DFT-Spread WR-OFDM System for the OOB and PAPR Reduction. ICTC 2018: 792-796 - [c83]Changyoung An, Dayoung Kim, Heung-Gyoon Ryu:
Ripple Window OFDM (RW-OFDM) System for Improvement of Spectrum Resource Utilization. ICTC 2018: 1214-1217 - [c82]Jungu Lee, Heung-Gyoon Ryu:
Design and Comparison of Discrete Wavelet Transform Based OFDM (DWT-OFDM) System. ICUFN 2018: 881-885 - [c81]Changyoung An, Heung-Gyoon Ryu:
Spectrum Efficient and Power Efficient Communication System for Satellite Applications. IMCOM 2018: 51:1-51:5 - [c80]Changyoung An, Heung-Gyoon Ryu:
CPW-OFDM(Cyclic Postfix Windowing OFDM) for the B5G (Beyond 5th Generation) Waveform. LATINCOM 2018: 1-4 - [c79]Changyoung An, Dayoung Kim, Heung-Gyoon Ryu:
Design and Performance Evaluation of Dual Mode OFDM-DIM and OFDM-CDIM Systems. WPMC 2018: 490-494 - 2017
- [j36]Changyoung An, Heung-Gyoon Ryu:
Double Balanced Feed Network for the Self-Interference Cancellation in Full Duplex Communication System. Wirel. Pers. Commun. 92(4): 1599-1610 (2017) - [c78]Changyoung An, Heung-Gyoon Ryu, Yingshan Li, Mohammad Reza Asharif:
NW-OFDM using cyclic postfix and windowing for the eMBB waveform of the 5G/B5G mobile system. ICTC 2017: 110-113 - [c77]Jin-Kyu Choi, Byungtae Jang, Heung-Gyoon Ryu:
Performance evaluation of dual-band polar transmitter architecture for the connected car. ICTC 2017: 223-225 - [c76]Changyoung An, Heung-Gyoon Ryu, Sang Burm Ryu, Sang-Gyu Lee:
Turbo equalizer design and performance evaluation of 8PSK-TCM based satellite receiver system. ICTC 2017: 904-907 - [c75]Kyeongsoo Jang, Heung-Gyoon Ryu, Sang Burm Ryu, Sang-Gyu Lee:
Spectrum characteristics and predistortion gain in the nonlinear high power amplifier(HPA). ICTC 2017: 931-934 - [c74]Jungu Lee, Heung-Gyoon Ryu:
Performance comparison between wavelet-based OFDM system and iFFT-based OFDM system. ICTC 2017: 957-960 - [c73]Changyoung An, Byeongjae Kim, Heung-Gyoon Ryu:
WR-OFDM system and OOB spectrum comparison. ICUFN 2017: 373-377 - 2016
- [j35]Heung-Gyoon Ryu, Changyoung An, Seung Hwan Lee:
Design and Beamforming Performance of the Compact ESPAR Antenna for the Beam Space MIMO System. Wirel. Pers. Commun. 91(2): 829-846 (2016) - [c72]Changyoung An, Heung-Gyoon Ryu, Seung Hwan Lee:
Single RF based MIMO system using load-modulation. CCNC 2016: 339-343 - [c71]Changyoung An, Heung-Gyoon Ryu, Seung Hwan Lee, Masahiro Umehira, Tokumi Yokohira:
Load modulation based MIMO communication for the low complexity and low power consumption. ICCE 2016: 516-519 - [c70]Changyoung An, Byeongjae Kim, Heung-Gyoon Ryu:
Design of W-OFDM and nonlinear performance comparison for 5G waveform. ICTC 2016: 1006-1009 - 2015
- [j34]Jun-Hyun Lee, Heung-Gyoon Ryu:
Beamspace MIMO System Using Chaos BPSK Modulation. Wirel. Pers. Commun. 80(1): 141-149 (2015) - [j33]Changyoung An, Heung-Gyoon Ryu:
A Novel CFO Suppression Algorithm for OFDMA Uplink Communication System. Wirel. Pers. Commun. 80(1): 357-368 (2015) - [j32]Changyoung An, Heung-Gyoon Ryu:
Two Separate Antennas Simultaneous Single Band Duplex (SSD) System Using Turbo Equalizer. Wirel. Pers. Commun. 81(2): 581-591 (2015) - [j31]Changyoung An, Heung-Gyoon Ryu:
Design and Performance Analysis of Beam-Space MIMO System for Multi-carrier Transmission. Wirel. Pers. Commun. 85(3): 1573-1582 (2015) - [c69]Jun-Hyun Lee, Heung-Gyoon Ryu:
Wireless information security improvement with chaotic high order modulation. CCNC 2015: 347-350 - [c68]Bong-Jun Kim, Changyoung An, Heung-Gyoon Ryu:
A reactance domain fourth-order MUSIC algorithm using 13-element ESPAR antenna. CCNC 2015: 382-386 - [c67]Changyoung An, Sung Wook Yoon, Heung-Gyoon Ryu:
General dimension of BS-MIMO by extension of parasitic elements in ESPAR antenna. CCNC 2015: 607-608 - [c66]Changyoung An, Kukhan Jang, Heung-Gyoon Ryu, Jin-Kyu Choi, Hanbyeog Cho:
Robust Digital Retrodirective Beamforming Technique for Multipath Channel Environment. FNC/MobiSPC 2015: 427-432 - [c65]Jun-Hyun Lee, Changyoung An, Bong-Jun Kim, Heung-Gyoon Ryu:
Analysis of boss map according to delay time in CDSK system and proposed chaos system. ICCE 2015: 521-524 - 2014
- [c64]Bong-Jun Kim, Heung-Gyoon Ryu:
Beamspace MIMO system with different elements distances in ESPAR array antenna. ICOIN 2014: 97-101 - [c63]Junyeong Bok, Heung-Gyoon Ryu:
Analysis and suppression of phase noise and IQ imbalance for dual-band MIMO-OFDM. ICOIN 2014: 320-324 - [c62]Xin Wang, Bong-Jun Kim, Heung-Gyoon Ryu:
A novel reactance domain MUSIC algorithm for direction of arrival estimation using 13-element ESPAR antennas. ICOIN 2014: 335-339 - [c61]Bong-Jun Kim, Heung-Gyoon Ryu:
Self-interference cancellation using Mach-Zehnder Modulator for Full-Duplex communication. ICTC 2014: 858-863 - [c60]Changyoung An, Heung-Gyoon Ryu:
Design and performance evaluation of SSD (simultaneous single band duplex) system using RF cancellation and digital cancellation. ICTC 2014: 960-963 - [c59]Bong-Jun Kim, Sung-Kyu Kim, Sung Wook Yoon, Heung-Gyoon Ryu, Seung Hwan Lee, Dong-Jin Shin:
Design and evaluation of single RF OFDMMIMO based on time division multiplexing. ISCIT 2014: 1-5 - [c58]Bong-Jun Kim, Heung-Gyoon Ryu, Seung Hwan Lee, Dong-Jin Shin:
Design and performance analysis of beamspace MIMO system for multi-carrier transmission. ISCIT 2014: 11-15 - 2013
- [j30]Yingshan Li, Chao Wu, Dongyan Sun, Junli Xia, Heung-Gyoon Ryu:
A new physical layer transmission scheme for LPI and high throughput in the cooperative SC-FDMA system. J. Commun. Networks 15(5): 457-463 (2013) - [j29]Seon-Ae Kim, Junyeong Bok, Heung-Gyoon Ryu:
SNR Estimation in OFDM System by the Correlation of Decision Feedback Signal. Wirel. Pers. Commun. 73(3): 753-765 (2013) - [c57]Youngguk Kim, Heung-Gyoon Ryu:
Improvement of the MCMA Blind Equalization Performance Using the Coordinate Change Method in 16-APSK. GPC 2013: 386-392 - [c56]Junyeong Bok, Heung-Gyoon Ryu:
Chaotic Wireless Communication System Using Retrodirective Array Antenna for Advanced High Security. GPC 2013: 482-490 - [c55]Xin Wang, Heung-Gyoon Ryu:
Automatic Tracking Angle of Arrival of Bandpass Sampling OFDM Signal by MUSIC Algorithm. GPC 2013: 854-859 - [c54]Averkios Vasalos, Nikolaos K. Uzunoglu, Heung-Gyoon Ryu, Ioannis Vasalos:
Neural network target classification for Concealed Weapon radar detection. DSP 2013: 1-6 - [c53]Do-Hoon Kim, Heung-Gyoon Ryu:
An efficient blind turbo equalizer for compensating Doppler effects. ICOIN 2013: 181-185 - [c52]Suwa Kim, Junyeong Bok, Heung-Gyoon Ryu:
Performance evaluation of DCSK system with chaotic maps. ICOIN 2013: 556-559 - [c51]Changyoung An, Heung-Gyoon Ryu:
Simultaneous single-band duplex system using self-interference cancellation. ICTC 2013: 476-479 - [c50]Xin Wang, Heung-Gyoon Ryu:
Separation of coherent signals using a novel MUSIC algorithm in multipath environments. ICTC 2013: 622-625 - [c49]Jun-Hyun Lee, Heung-Gyoon Ryu:
A new receiver design of CDSK-based chaos communication system. ICTC 2013: 858-861 - [c48]Faramarz Asharif, Shiro Tamaki, Tsutomu Nagado, Mohammad Reza Alsharif, Heung-Gyoon Ryu:
Performance and stability analysis of wireless Tele-Control system. ISPACS 2013: 97-102 - [c47]Heung-Gyoon Ryu, Jun-Hyun Lee:
High Security Wireless CDSK-Based Chaos Communication with New Chaos Map. MILCOM 2013: 786-790 - [c46]Junyeong Bok, Heung-Gyoon Ryu:
Performance Analysis of Digital Retrodirective Array Antenna System in Presence of Frequency Offset. MUE 2013: 801-807 - [c45]Youngguk Kim, Heung-Gyoon Ryu:
Blind Beamforming Using the MCMA and SAG-MCMA Algorithm with MUSIC Algorithm. MUE 2013: 835-840 - [c44]So-Ra Kim, Heung-Gyoon Ryu:
Frequency domain compressive sensing of multicarrier-based QAPM system. WCNC 2013: 2879-2883 - [c43]Faramarz Asharif, Shiro Tamaki, Mohammad Reza Alsharif, Heung-Gyoon Ryu:
Application of full-duplex wireless communication system on echo cancellation. WCNC 2013: 3626-3631 - 2012
- [j28]Kai Lin, Xiaohu Ge, Xiaofei Wang, Chunsheng Zhu, Heung-Gyoon Ryu:
Research on secure data collection in wireless multimedia sensor networks. Comput. Commun. 35(15): 1902-1909 (2012) - [j27]Jae Hoon Choi, Heung-Gyoon Ryu, Xuedong Liang:
Multicarrier-Based QAPM Modulation System for the Low Power Consumption and High Data Rates. Mob. Networks Appl. 17(1): 45-52 (2012) - [j26]Ming Jin, Youming Li, Heung-Gyoon Ryu:
On the Performance of Covariance Based Spectrum Sensing for Cognitive Radio. IEEE Trans. Signal Process. 60(7): 3670-3682 (2012) - [c42]Junyeong Bok, Heung-Gyoon Ryu, Byung Gak Jo, Gwang Hoon Baek:
Closed-loop satellite communication system for high efficiency transmission. APCC 2012: 200-203 - [c41]Junyeong Bok, Dong Geon An, Byung Gak Jo, Gwang Hoon Baek, Heung-Gyoon Ryu:
Adaptive NLMS pre-distorter of HPA with memory effect. CHINACOM 2012: 558-561 - [c40]Xin Wang, Heung-Gyoon Ryu:
Carrier Aggregation Receiver with Beamformer and Compensation of Doppler Effects and Timing Offset. FGIT-FGCN/DCA 2012: 1-9 - [c39]Junyeong Bok, Seon-Ae Kim, Heung-Gyoon Ryu:
Analysis and suppression of effects of CFO and phase noise in WFMT modulation for vehicular communications. ICC 2012: 7136-7140 - [c38]Xin Wang, Heung-Gyoon Ryu:
Synchronization Control and Compensation of STO and CFO by Sub-Sampling Method. ICHIT (2) 2012: 37-45 - [c37]Junyeong Bok, Heung-Gyoon Ryu:
Analysis of Receiver Feedback Closed Loop Pre-distortion to Compensate for Nonlinear HPA and Foliage Attenuation. ICHIT (1) 2012: 114-121 - [c36]Haeseong Jeong, Do-Hoon Kim, Heung-Gyoon Ryu:
Doppler spread and its compensation by FDE and turbo code. ICOIN 2012: 280-284 - [c35]Jae Hoon Choi, Junyeong Bok, Heung-Gyoon Ryu:
Power analysis and communication capacity of 160GHz wireless communication in multipath environment. ICOIN 2012: 488-491 - [c34]Xin Wang, Heung-Gyoon Ryu:
Timing offset and frequency offsets in muti-band receiver system. ICTC 2012: 313-317 - [c33]Faramarz Asharif, Shiro Tamaki, Mohammad Reza Alsharif, Heung-Gyoon Ryu:
Improvement and comparison of Modulus Algorithm Blind Equalizer learning curve in time and frequency domain. ICTC 2012: 323-328 - [c32]Junyeong Bok, Heung-Gyoon Ryu:
Mitigation of multipath in steel wall channel of ultrasonic communication system. ICTC 2012: 449-453 - [c31]So-Ra Kim, Heung-Gyoon Ryu:
Analysis and design of QAPM modulation based on multi-carrier using compressive sensing for low power communication. ICTC 2012: 484-488 - [c30]Chan-Ho Jin, Heung-Gyoon Ryu:
Performance evaluation of chaotic CDSK modulation system with different chaotic maps. ICTC 2012: 603-606 - [c29]Do-Hoon Kim, Heung-Gyoon Ryu, Tharek Abdul Rahman:
Analysis and performance evaluation of turbo equalizer for fast equalization in single-carrier system. ICTC 2012: 642-646 - [c28]