Choong-Ho CHO

A Two-Stage Dynamic Channel Assignment Scheme with Graph Approach for Dense Femtocell Networks
Se-Jin KIM IlKwon CHO Yi-Kang KIM Choong-Ho CHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10  pp. 2222-2229
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
dense femtocell networks, OFDMA/FDD, interference mitigation, dynamic channel assignment, graph coloring, 
 Summary | Full Text:PDF
Resource Allocation for Interference Avoidance in OFDMA-TDD Based Femtocell Networks
IlKwon CHO Se-Jin KIM Choong-Ho CHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/05/01
Vol. E95-B  No. 5  pp. 1886-1889
Type of Manuscript:  LETTER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
femtocell networks, fractional frequency reuse, OFDMA, resource allocation, interference avoidance, 
 Summary | Full Text:PDF
Cooperative Transmission Scheme Using Transmission Timing Control in LTE Enterprise Femtocell Networks
Seung-Yeon KIM Sang-Sik AHN Seungwan RYU Choong-Ho CHO Hyong-Woo LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/03/01
Vol. E95-B  No. 3  pp. 987-990
Type of Manuscript:  LETTER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
enterprise femtocell, cooperative transmission, transmission timing control, conditional Gaussian distribution, outage probability, 
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Performance Analysis of Two-Hop Cellular Systems in Transparent and Non-transparent Modes
Se-Jin KIM Seung-Yeon KIM Ryong OH Seungwan RYU Hyong-Woo LEE Choong-Ho CHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/11/01
Vol. E94-B  No. 11  pp. 3107-3115
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
IEEE 802.16j, cellular multihop system, relay station, transparent, non-transparent, optimal resource allocation, 
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An Adaptive Power Saving Scheme in OFDMA-TDD-Based Cellular Relay Networks
Se-Jin KIM Byung-Bog LEE You-Chang KO Seungwan RYU Hyong-Woo LEE Choong-Ho CHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/06/01
Vol. E93-B  No. 6  pp. 1657-1660
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
cellular relay network, power saving, OFDMA, 
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Low-Power Wakeup-On-Demand Scheme for Wireless Sensor Networks with Very-Short Response Time
Byung-Bog LEE Se-Jin KIM Seung-Yeon KIM Hyong-Woo LEE Seung-Wan RYU Choong-Ho CHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/04/01
Vol. E93-B  No. 4  pp. 1020-1023
Type of Manuscript:  LETTER
Category: Network
Keyword: 
IEEE 802.15.4, wakeup-on-demand MAC scheme, unslotted CSMA/CA, 
 Summary | Full Text:PDF