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Search : "[ author: Heung-Gyoon Ryu ]" (74)
Design and Evaluation of ESPAR Antenna for Effective Wireless Power Transfer
Changyoung An  Hyeong Min Kwon  Heung-Gyoon Ryu
Vol. 46, No. 10, pp. 1557-1562, Oct. 2021
10.7840/kics.2021.46.10.1557
Performance Evaluation According to Distance Between Backscatter Tag and Receiver in WiFi Ambient Backscatter Communication Systems
Changyoung An  Hyeong Min Kwon  Heung-Gyoon Ryu
Vol. 46, No. 10, pp. 1549-1556, Oct. 2021
10.7840/kics.2021.46.10.1549
Selective Microwave Power Transfer System for Effective Power Supply to Multiple Sensor Networks
Changyoung An  Heung-Gyoon Ryu
Vol. 46, No. 2, pp. 209-216, Feb. 2021
10.7840/kics.2021.46.2.209
Design and Characteristic Evaluation of Wireless Power Transmission System Using Multiple Antennas
Changyoung An  Heung-Gyoon Ryu
Vol. 45, No. 4, pp. 644-651, Apr. 2020
10.7840/kics.2020.45.4.644
Performance Evaluation and Comparison of OTFS and OFDM Systems Compensating the High Doppler Frequency and Delay Time
Byounghak Park  Heung-Gyoon Ryu
Vol. 45, No. 1, pp. 13-19, Jan. 2020
10.7840/kics.2020.45.1.13
RDA-Based EBGs Antenna Design for improving Microwave Power Transmission efficiency in Multiuser Environment
Taebum Gu  Myunggi Kim  Heung-Gyoon Ryu
Vol. 44, No. 8, pp. 1443-1449, Aug. 2019
10.7840/kics.2019.44.8.1443
Design and Performance Evaluation of Windowing Based on New Cosine Function for OOB Power Reduction of Multi-Carrier System
Byoung-hak Park  Changyoung An  Heung-Gyoon Ryu
Vol. 44, No. 6, pp. 1040-1047, Jun. 2019
10.7840/kics.2019.44.6.1040
Design and Performance Evaluation of SSB-WR-OFDM System in HPA Nonlinear Environment
Kyeongsoo Jang  Heung-Gyoon Ryu
Vol. 44, No. 6, pp. 1033-1039, Jun. 2019
10.7840/kics.2019.44.6.1033
Design and Performance Evaluation of Multi-Mode OFDM System Using Wavelet Transform
Jungu Lee  Changyoung An  Heung-Gyoon Ryu
Vol. 44, No. 5, pp. 806-813, May   2019
10.7840/kics.2019.44.5.806
Performance and Characteristic Evaluation of Ripple Windowing for Efficient Frequency Localization in DFT Spread OFDM System
Changyoung An  Heung-Gyoon Ryu
Vol. 44, No. 4, pp. 637-643, Apr. 2019
10.7840/kics.2019.44.4.637

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pISSN : 1226 - 4717
eISSN : 2287 - 3880