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Search : "[ author: Young-Chai Ko ]" (9)

A Survey on Inter-Satellite Links for Low-Earth Orbit Satellite Networks

Hong-Seol Cha Jong-Min Kim Byungju Lim Ju-Hyung Lee Young-Chai Ko

Vol. 47, No. 10, pp. 1508-1518, Oct. 2022

10.7840/kics.2022.47.10.1508

Free Space Optical Communication (FSO)

Low-Earth Orbit (LEO) Satellite Inter-Satellite Link (ISL)

Experimental Results of 100m Indoor and Outdoor FSO Testbed Employing 64-QAM OFDM

Jong-Min Kim Ju-Hyung Lee Young-Chai Ko
Vol. 47, No. 2, pp. 311-318, Feb. 2022

10.7840/kics.2022.47.2.311

Power Allocation Method for Multi-User MIMO Downlink Systems with Individual Statistical Delay Constraints

Jae-Hong Kwon Young-Chai Ko
Vol. 44, No. 9, pp. 1648-1657, Sep. 2019

10.7840/kics.2019.44.9.1648

Ray-tracing Based Millimeter Wave Channel Modeling for Long-distance Communication Systems

Jae-Hong Kwon Dong-Hyoun Na Young-Chai Ko
Vol. 43, No. 6, pp. 911-920, Jun. 2018

10.7840/kics.2018.43.6.911

Channel Estimation and Analog Beam Selection for Uplink Multiuser Hybrid Beamforming System

Myeong-Jin Kim Young-Chai Ko
Vol. 40, No. 3, pp. 459-468, Mar. 2015

Design on the Interference Alignment Transceiver for Multi-Cell MIMO Downlink Channels

Hyun-Ho Lee Young-Chai Ko
Vol. 37, No. 10, pp. 921-928, Oct. 2012

Power and Offset Allocation for Spatial-Multiplexing MIMO System with Rate Adaptation for Optical Wireless Channels

Ki-Hong Park Young-Chai Ko
Vol. 36, No. 1, pp. 8-18, Jan. 2011

Spatial Multiplexing System based on Random Unitary Beamforming for MU-MIMO Broadcast Channel

Seong-Ho Park Ki-Hong Park Jinhee Lee Young-Chai Ko Sung-Jin Kim

Vol. 35, No. 2, pp. 105-111, Feb. 2010

Optimum Beamforming Vector Indexing Scheme for Codebook based MISO System over Feedback Error Channel

Jinhee Lee Young-Chai Ko
Vol. 34, No. 12, pp. 991-997, Dec. 2009