Seung-Hoon HWANG


Continuous BP Decoding Algorithm for a Low-Density Parity-Check Coded Hybrid ARQ System
Sangjoon PARK  Sooyong CHOI  Seung-Hoon HWANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/04/01
Vol. E93-B  No. 4  pp. 993-996
Type of Manuscript: LETTER
Category: Fundamental Theories for Communications
Keyword: 
low-density parity-check codesbelief propagation decodinghybrid automatic repeat request
  Summary |  Full Text:PDF (208.1KB)

Antenna Switching Schemes for Downlink Time Switched Transmit Diversity with ARQ in Rayleigh Fading Channels
Cha-Eul JEON  Seung-Hoon HWANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/03/01
Vol. E93-B  No. 3  pp. 780-783
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
Keyword: 
time switched transmit diversityautomatic repeat reQuesttransmit diversityantenna switching
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ARQ-Aided Downlink Time Switched Transmit Diversity with Power Ramping in the WCDMA LCR-TDD System
Seung-Hoon HWANG  Cha-Eul JEON  Ri-A MA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/02/01
Vol. E93-B  No. 2  pp. 419-422
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
Keyword: 
time swithed transmit diversityautomatic repeat requestWCDMAlow chip rate-TDDpower rampingantenna switching
  Summary |  Full Text:PDF (434.5KB)

Energy Detector Using a Hybrid Threshold in Cognitive Radio Systems
Jong-Ho KIM  Seung-Hoon HWANG  Deok-Kyu HWANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10  pp. 3079-3083
Type of Manuscript: Special Section LETTER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC/COIN 2008)
Category: 
Keyword: 
cognitive radioprimary usersecondary userenergy detectorfixed thresholdadaptive thresholdhybrid threshold
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Multilevel Control Signaling for Hybrid ARQ in the UMTS HSDPA System
Chang-Rae JEONG  Seung-Hoon HWANG  Hyuck-Chan KWON  Younghoon WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/01/01
Vol. E92-B  No. 1  pp. 334-337
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
hybrid ARQmultilevel control signalingUMTSHSDPA
  Summary |  Full Text:PDF (738.7KB)

Joint Optimization of Power Allocation and Detection Ordering for Closed-Loop OSIC System
Deok-Kyu HWANG  Seung-Hoon HWANG  Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12  pp. 3606-3611
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOV-BLASTpower allocationorderingQR decomposition
  Summary |  Full Text:PDF (432.1KB)

Effect of the Power Ramping under Retransmission in an ARQ for the WCDMA Downlink in One Path Rayleigh Fading Channel
Seung-Hoon HWANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 1024-1026
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
Keyword: 
power rampingautomatic repeat requestRayleigh fading channel
  Summary |  Full Text:PDF (141.4KB)

Impact of the Line-of-Sight Propagation Component on the Orthogonality Factor of the Synchronous DS-CDMA Uplink
Seung-Hoon HWANG  Lajos HANZO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1  pp. 247-249
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
Keyword: 
orthogonality factorspread spectrum communicationRician fading channels
  Summary |  Full Text:PDF (69.3KB)

Effect of Timing Misalignment on Performance of Uplink Synchronized DS-CDMA Systems
Duk-Kyung KIM  Seung-Hoon HWANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 807-810
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Keyword: 
uplink synchronized CDMAtiming misalignment
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On the Capacity of an Uplink Synchronised DS-CDMA System in a Multiple Cell Environment
Duk-Kyung KIM  Seung-Hoon HWANG  Dong-Hahk LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6  pp. 1697-1701
Type of Manuscript: LETTER
Category: Wireless Communication Technology
Keyword: 
uplink synchronous transmissioncode shortagesoft handover
  Summary |  Full Text:PDF (114.5KB)

Performance of Parallel Interference Cancellation with Reverse-Link Synchronous Transmission Technique for DS-CDMA System in Multipath Fading Channels
Woong SUN  Seung-Hoon HWANG  Duk Kyung KIM  Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/08/01
Vol. E85-B  No. 8  pp. 1622-1626
Type of Manuscript: LETTER
Category: Wireless Communication Technology
Keyword: 
reverse-link synchronous transmission techniqueparallel interference cancellationDS-CDMA
  Summary |  Full Text:PDF (230.8KB)

Capacity Estimation for an Uplink Synchronised CDMA System with Fast TPC and Two-Antenna Diversity Reception
Duk Kyung KIM  Seung-Hoon HWANG  Een-Kee HONG  Sang Yun LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Vol. E84-B  No. 8  pp. 2309-2312
Type of Manuscript: LETTER
Category: Terrestrial Radio Communications
Keyword: 
uplink synchronised CDMA systemfast TPCantenna diversity reception
  Summary |  Full Text:PDF (165.7KB)

Adaptive CDMA Scheme as a Rain Fade Countermeasure in Ka-Band Geosynchronous Satellite Communications
Dong-Hee KIM  Seung-Hoon HWANG  Ui-Young PAK  Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/12/20
Vol. E83-B  No. 12  pp. 2600-2606
Type of Manuscript: PAPER
Category: Satellite and Space Communications
Keyword: 
Ka-bandCDMArain fadesatellite communications
  Summary |  Full Text:PDF (550.7KB)

Rapid Converging Adaptive Receiver in DS-CDMA Systems
Hee-Bong PARK  Seung-Hoon HWANG  Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/09/20
Vol. E83-B  No. 9  pp. 2138-2140
Type of Manuscript: LETTER
Category: Wireless Communication Technology
Keyword: 
DS-CDMA systemsadaptive receiverLMS algorithm
  Summary |  Full Text:PDF (158.2KB)

Power Control and Macrodiversity as Fade Countermeasures in Satellite CDMA Transmission at Ka-Band
Seung-Hoon HWANG  Dong-Hee KIM  Soo-In LEE  Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/11/20
Vol. E82-B  No. 11  pp. 1878-1882
Type of Manuscript: LETTER
Category: Satellite Communication
Keyword: 
power controlmacrodiversityfade countermeasuressatellite CDMA transmissionKa-band
  Summary |  Full Text:PDF (253.8KB)

The Effects of Rain Attenuation in a Quasi-Synchronous CDMA Return Link for a Ka-Band Satellite Communication System
Seung-Hoon HWANG  Jae-Young AHN  Tae-Joong KIM  Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/20
Vol. E81-A  No. 7  pp. 1436-1444
Type of Manuscript: Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
quasi-synchronous CDMA return linkKa-band satellite communication systemrain attenuationtransponder nonlinearity
  Summary |  Full Text:PDF (737.9KB)

On Performance Improvements of Spread Slotted ALOHA Network with CLSP/CC
Tae-Joong KIM  Ki-Jun KIM  Seung-Hoon HWANG  Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/20
Vol. E80-A  No. 12  pp. 2493-2499
Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread slotted ALOHACLSPCLSP/CCnetwork throughput
  Summary |  Full Text:PDF (627.5KB)