
2003 Ph. D. in Electrical and Computer Engineering, Georgia Institute of Technology, U.S.A.

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Rate-adaptive channel coding
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Channel coding for storages and communication systems
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Channel codes defined on graphs such as low-density-parity-check(LDPC) codes,
Tornado codes, Turbo codes
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Information theorical security: Wiretap channel
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J. Choi, and J. Ha, H. Jeon "On the Energy Delay Tradeoff of HARQ-IR in Wireless Multiuser Systems," IEEE Transactions on Communications, 2013, accepted
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J. Choi, and J. Ha, "On the Energy Efficiency of AMC and HARQ-IR with QoS Constraints," IEEE Transactions on Vehicular Technology, 2013, accepted
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H. Jeon, J. Choi, S. W. McLaughlin, and J. Ha, "Channel Aware Encryption and Decision Fusion for Wireless Sensor Networks," IEEE Transactions on Information Forensics and Security, vol.8, no.4, pp.619-625, April 2013
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J. Oh, J. Ha, J. Moon, and G. Ungerboeck, "RS-Enhanced TCM for Multilevel Flash Memories," IEEE Transactions on Communications, 2013, accepted
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N. Chang, C. Chae, J. Ha, and J. Kang, "Secrecy Rate for MISO Rayleigh Fading Channels with Relative Distance of Eavesdropper," IEEE, Commun. Letters, vol.16, no.9, pp.1408-1411, September 2012
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W. Song, J. Choi, and J. Ha, "Perfect Secrecy over Binary Erasure Wiretap Channel of Type-II," IEEE Transactions on Information Forensics and Security, vol. 7, no. 4, pp. 1414-1418, Aug 2012
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J. Choi and J. Ha, "On the achievable rate for wideband channels with estimated CSI," Journal of Signal Processing Systems, Volume 66, Number 1,Jan 2012, pp. 75-86
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H. Jeon, D. Hwang, J. Choi, H. Lee, and J. Ha, "Secure Type-Based Multiple Access," IEEE Transactions on Information Forensics and Security, vol. 6, no. 3, pp. 763-774, Sep 2011
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D. Klinc, J. Ha, S. McLaughlin, J. Barros, and B. Kwak, "LDPC Codes for the Gaussian Wiretap Channel," IEEE Transactions on Information Forensics and Security, vol. 6, no. 3, pp. 532-540, Sep. 2011
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H. Jeon, N. Kim, J. Choi, H. Lee, and J. Ha, "Bounds on Secrecy Capacity over Correlated Ergodic Fading Channels at High SNR," IEEE Trans. Inf. Theory, vol. 57, no. 4, pp. 1975-1983, Apr. 2011
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H. Jeon, J. Choi, H. Lee, and J. Ha, "Channel-aware energy efficient transmission strategies for large wireless sensor networks," IEEE Signal Process. Letter, vol. 17, no. 7, pp. 643-646, Jul. 2010
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C. Jung, J. Choi, and J. Ha, "Asymmetric Power Allocation to Improve Convergence Rate of Iterative Receivers," IEEE Commun. Letter, vol. 13, no. 8, pp. 579-581, Aug. 2009
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J. Choi and J. Ha, "Rate optimization to minimize distortion for source-channel coded H-BLAST with SIC decoding," IEEE Commun. Letter, vol.13, no.2, pp. 115-117, Feb. 2009
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D. Shin, J. Ha, K. Heo, and H. Lee, "A Stopping Criterion for Low-Density Parity-Check Codes," IEICE Trans Commun. Letters, vol. E91-B, no. 4, pp. 1145-1148, Apr. 2008
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J. Cha, J. Ha, and J. Kang, "Low-Complexity Iterative QRD-M Detection Algorithm for V-BLAST Systems", Electronics Letters, vol. 43, issue 24, pp. 1374-1376, Nov. 2007
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J. Ha, D. Klinc, J. Kwon, and S. W. McLaughlin, "Layered BP Decoding for Rate-Compatible Punctured LDPC Codes", IEEE Commun. Letter, vol. 11, no. 5, pp. 440-442, May 2007
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J. Ha, J. Kim, D. Klinc, and S. W. McLaughlin, "Rate-Compatible Punctured Low-Density Parity-Check Codes with Short Block Lengths", IEEE Trans. Inf. Theory, vol. 52, issue 2, pp. 728-738, Feb. 2006
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J. Ha, and S. W. McLaughlin, "Rate-compatible puncturing of low-density parity-check codes", IEEE Trans. Inf. Theory, vol. IT-50, pp.2824-2836, Nov. 2004
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J. Ha, and S. W. McLaughlin, "Low-Density Parity-Check Codes over Gaussian Channels with Erasures," IEEE Trans. Inf. Theory, vol. IT-49, pp. 1801-1809, Jul. 2003
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H. Pishro-Nik, N. Rahnavard, J. Ha, and F. Fekri, ¡°Low-density parity-check codes for volume holographic memory systems,¡± Applied Optics, vol. 42, pp. 861-870, Feb. 2003
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J. Ha, A. N. Mody, J. Sung, J. R. Barry, S. W. McLaughlin, and G. L. Stuber, ¡°LDPC Coded OFDM with Alamouti/SVD Diversity Technique,¡± Wireless Personal Communications, vol. 23, issue 1, pp. 183-194, Oct. 2002
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ÇÏÁ¤¼®, ¿ÀÁöÀº, "NAND Flash ¸Þ¸ð¸®¸¦ À§ÇÑ ¿À·ùÁ¤Á¤ºÎÈ£," Çѱ¹Åë½ÅÇÐȸÁö Á¦ 28±Ç 9È£, 58-68, 2011³â 9¿ù
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Á¤Ãµ¼º, ±è¿õȯ, Àüµ¿»ê, ¹ÚÇö¿í, ÇÏÁ¤¼®, "°ü½É ¿µ¿ª ±â¹ÝÀÇ Çȼ¿ µµ¸ÞÀÎ ºÐ»ê ºñµð¿À ºÎÈ£," ´ëÇÑÀüÀÚ°øÇÐȸ ³í¹®Áö, Á¦ 47±Ç, SPÆí, Á¦ 4È£, pp. 79-89, 2010³â 7¿ù
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¿ÀÁöÀº, Á¤Ãµ¼º, ±èµ¿À±, ¹ÚÇö¿í, ÇÏÁ¤¼®, Transform Domain Wyner-Ziv ºñµð¿À ºÎÈ£¸¦ À§ÇÑ È¿°úÀûÀÎ »ó°ü ä³Î ¸ðµ¨¸µ," ´ëÇÑÀüÀÚ°øÇÐȸ ³í¹®Áö, Á¦ 47±Ç, SPÆí, Á¦ 3È£, pp. 23-31, 2010³â 5¿ù
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Ȳ´ë¼º, ±è´ë¼º, ÃÖÁøÈ£, ÇÏÁ¤¼®, "¾ÐÃà °¨Áö ±â¼ú°ú ¹«¼±Åë½Å ÀÀ¿ë," ´ëÇÑÀüÀÚ°øÇÐȸ ³í¹®Áö, Á¦ 46±Ç, SPÆí, Á¦ 5È£, pp. 32-39, 2009³â 9¿ù
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J. Ha and D. Klinc, "Low-Density Parity-Check Codes with Rate Adaptability", Telecommun. Review, vol. 16, issue 5, pp. 823-836, Oct. 2006
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J. Ha, J. G. Lee, and S. R. Kim, "Power Efficiency Of Dual Channel QPSK for DS-CDMA Systems," Telecommun. Review, vol.8, issue 5, pp.698-707, Sept. 1998
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H. Jeon, SW. McLaughlin, J. Ha, "Secure Communications with Untrusted Secondary Users in Cognitive Radio Networks," IEEE GLOBECOM 2012, Anaheim, California, USA, Dec. 2012
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D. Kim, J. Choi and J. Ha, "On the Soft Information Extraction from Hard-Decision Outputs in MLC NAND Flash Memory," IEEE GLOBECOM 2012, Anaheim, California, USA, Dec. 2012
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J. Choi, S. Li, X. Wang, J. Ha, "A General Distributed Consensus Algorithm for Wireless Sensor Networks," IEEE Wireless Advanced (WiAd), 2012, London, UK, June. 2012
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S. Cho and J. Ha, "Concatenated BCH Codes for NAND Flash Memories," IEEE ICC 2012, Ottawa, Canada, June. 2012
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J. Choi, J. Ha, "Iterative Distributed Amplitude Optimization for Distributed Detection in Wireless Sensor Networks," Vehicular Technology Conference (VTC Spring), 2012 IEEE 75th , Yokohama, Japan, May. 2012
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J. Choi and J. Ha, "Orthogonal Beamforming for overlay mode of OFDMA-based Rural Broadband Wireless Access," Wireless Communications and Networking Conference (WCNC), 2012 IEEE, Paris, France, April. 2012
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H. Jeon and J. Ha, "Channel Aware Encryption and Decision Fusion for Wireless Sensor Networks," IEEE WIFS'11, Foz do Iguacu, Brazil, Nov. 2011
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M. Hyun, W. Song, J, Choi, S. Yoo, and J. Ha, "Code Design for Type-I Wiretap Channel," Allerton conference on Communication, Control, and Computing, Illinois, USA, Sept. 2011
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H. Jeon, S. McLaughlin, and J. Ha, "Cooperative Secure Transmission for Distributed Detection in Wireless Sensor Networks," IEEE MWSCAS'11, Seoul, Korea, Aug. 2011
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J, Choi, and J. Ha, "MMSE-based distributed beamforming in cooperative relay networks," IEEE MWSCAS'11, Seoul, Korea, Aug. 2011
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J. Nam, G. Caire, and J. Ha, "Block Triangularization: A New Linear Precoding Strategy for Gaussian MIMO BC," IEEE ISIT'11, pp.1733-1737, St. Petersberg, Russia, Aug. 2011
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C. Jung, D. Jun, J. Oh, H. Park and J. Ha, "Region-of-Interest based pixel domain Wyner-Ziv coding," IEEE MILCOM'10, vol., pp.283-286, San Jose, CA, USA, Oct. 2010
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J. Nam and J. Ha, "New Achievable Rate Region of Gaussian MIMO Broadcast Channels with Linear Precoding," IEEE GLOBECOM 2010, Miami, USA, Dec. 2010
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H. Jeon, J. Choi, H. Lee, and J. Ha, "Channel-aware energy efficient transmission strategies for large wireless sensor networks," IEEE GLOBECOM 2010, Miami, USA, Dec. 2010
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J. Choi and J. Ha, "On the Asymptotic Performance of TBMA with Multichannel Diversity over Fading Channels," IEEE PIMRC 2010, Turkey, Istanbul, Sep. 2010
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H. Jeon, D. Hwang, J. Choi, H. Lee, and J. Ha, "Secure type-based multiple access: transmission strategy and analysis for perfect secrecy," IEEE ITW 2010, Dublin, Ireland, Aug. 2010
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D. Klinc, J. Ha, S. McLaughlin, J. Barros, and B. Kwak, "LDPC codes for Physical Layer Security," IEEE Globecom 2009, pp.1-6, Hawaii, USA, Nov. 2009
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H. Jeon, N. Kim, J. Choi, H. Lee and J. Ha, "On Multiuser Secrecy Rate in Flat Fading Channel," IEEE MILCOM'09, Boston, MA, USA, Oct. 2009
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D. Klinc, J. Ha, S. McLaughlin, J. Barros, and B. Kwak, "LDPC Codes for the Gaussian Wiretap Channel," IEEE ITW 2009, pp.95-99, Taormina, Italy, Oct. 2009
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M. Kim, M. Hyun, J. Ha, and H. Oh, "On Enhancement of Error Detection Capability of WAVE Standard," 16th World Congress on ITS, Stockholm, Sweden, Sept. 2009
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H. Jeon, N. Kim, M. Kim, H. Lee, and J. Ha, "Secrecy Capacity over Correlated Ergodic Fading Channel," IEEE MILCOM'08, pp.1-7, San Diego, CA, USA, Nov. 2008
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D. Klinc, J. Ha, and S. McLaughlin, "Optimized Puncturing and Shortening Distributions for Nonbinary LDPC Codes Over the Binary Erasure Channel," Allerton Conference on Communication, Control, and Computing, pp.1053-1058, Illinois, USA, Sept. 2008
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J. Nam, S. Kim and J. Ha, "A New Design of Iterative Detection and Decoding with Soft Interference Cancellation," IEEE VTC'08 Fall, pp.1-6, Calgary, Canada, Sept. 2008
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D. Klinc, J. Ha, and S. McLaughlin, "On Rate-adaptivity of Nonbinary LDPC codes," in Proc. of the 5th International Symposium on Turbo Codes & Related Topics 2008, pp.231-236, Lausanne, Switzerland, Sept. 2008
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J. Nam, S. Kim and J. Ha, "A Modified Turbo Principle of Iterative Detection and Decoding," IEEE ISIT'08, pp.469-473, Toronto, Canada, July 2008
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S. Song, D. Hwang, S. Seo, J. Ha, "Linear-Time Encodable Rate-Compatible Punctured LDPC Codes with Low Error Floors," IEEE VTC'08 Spring, pp.749-753, Marina Bay, Singapore, May 2008
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S. Oh, A. Fayziyev, J. Cha, J. Ha, S. Kim, "A New Efficient 16-QAM Mapping Approach for Iterative Receiver using Turbo Codes over SISO Channel," IEEE ICACT 2008, vol.1, pp.421~423, Phoenix Park, Republic of Korea, Feb. 2008
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J. Nam, S. Kim, H. Chung, J. Choi, J. Ha, "Cholesky Based Efficient Algorithms for the MMSE-SIC Receiver," IEEE Globecom 2007, pp.3045-3050, Washington.DC, USA, Nov. 2007
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J. Kwon, D. Klinc, J. Ha, W. McLaughlin, "Fast Decoding of Rate-Compatible Punctured LDPC Codes," IEEE ISIT 2007, pp.216-220, Nice, France, June 2007
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D. Shin, K. Heo, S. Oh, J. Ha, "A Stopping Criterion for Low-Density Parity-Check Codes," IEEE VTC'07 Spring, pp.1529-1533, Dublin, Ireland, April 2007
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K. Chang, Y. Han, J. Ha, Y. Kim, "Cancellation of ICI by Doppler effect in OFDM systems," IEEE VTC'06 Spring, vol.3, pp.1411-1415, Melbourne, Australia, May 2006
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D. Klinc, J. Ha, J. Kim, S. W. McLaughlin, "Rate-Compatible Punctured Low-Density Parity-Check Codes for Ultra Wide Band Systems," IEEE Globecom 2005, pp. 3856-3860, St. Louis, MO, USA, Nov. 2005
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J. Ha, J. Kim, S. W. McLaughlin, ¡°Puncturing for finite length low-density parity-check codes,¡± Proc. of the IEEE ISIT 2004, p.151, Chicago, USA, July 2004
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J. Ha, S. W. McLaughlin, ¡°Optimal rate compatible puncturing of LDPCs,¡± Proc. of the IEEE ISIT 2003, p.233, Yokohama, Japan, July 2003
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J. Ha, S. W. McLaughlin, ¡°Optimal Puncturing Distributions for Irregular Low-Density Parity-Check Codes,¡±IEEE ICC 2003, vol. 5, pp.3110-3114, Seattle, USA, May 2003
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J. Ha, S. W. McLaughlin, "Analysis and Design of Punctured LDPCCs over Gaussian Channel with Erasures," Proc. of the IEEE ISIT 2002, p.30, Lausanne, Switzerland, July 2002
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J. Ha, A. N. Mody, J. Sung, J. R. Barry, S. W. McLaughlin, and G. L. Stuber, ¡°LDPC Coded OFDM with Alamouti/SVD Diversity Technique,¡± WPMC'01, pp.1345-1350, Aalborg, Denmark, Sept. 2001
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J. W. Chung, J. S. Kim, Y. G. Jeong, and J. Ha, "Implementation of Code Acquisition and Code Tracking Loop for CDMA Wireless Local Loop System," IEEE VTC'98, pp.1204-1208, Ottawa, Canada, May 1998
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S. R. Kim, J. G. Lee, S. Kang, and J. Ha, "Pilot Channel aided Dual-Channel QPSK for CDMA Reverse Links," APCC'97, Sydney, Australia, Dec. 1997
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J. Jeong, J. Kim, Y. Jeong, and J. Ha, "Implementation of Base Station Receiver for CDMA Wireless Local Loop System," IEEE ICPWC'97, Mumbay, India, Dec. 1997
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S. R. Kim, J. G. Lee, S. Kang, and J. Ha, "Pilot Symbol Aided Dual-Channel QPSK (PSADC QPSK) for CDMA Reverse Links," 2nd CIC, vol. 2, pp.174-178, Seoul, Korea, Oct. 1997
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J. Ha, J. G. Lee, S. R. Kim, and H. Lee, "Performance Evaluation of a CDMA Wireless Local Loop System," APCC'97, Sydney, Australia, Dec. 1997
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J. Ha, J. Lee, S. Kim, and H. Lee, "Design and performance evaluation of a CDMA wireless local loop," ITC-CSCC'97, vol. 2, pp. 1131-1134, Okinawa, Japan, July 1997
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J. Ha, S. Kim, J. Lee, and H. Lee, "Signal constellation of modulation schemes for CDMA reverse link," ITC-CSCC'97, vol. 2, pp.1127-1130, Okinawa, Japan, July 1997
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D. Rhu, J. Kim, G. Ha, J. Lee, J. Kim, Y. Jeong, J. Ha, and N. J. Park, "Implementation of Wideband CDMA Modem Using Processors and Programming Logic Devices," ISCA'97, vol. 4, pp.2613-2616, Denver, Colorado, June 1997
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B. Kang and J. Ha, "Performance of a multi-carrier DS/CDMA system with diversity in a Rayleigh fading channel," ICCS'96, pp.14.4.1-14.4.5, 1996
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B. Kang and J. Ha, "A multiple-carrier DS/CDMA system with maximal ratio combining in a mobile radio channel," MDMC96, pp. 749-753, 1996
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B. Kang and J. Ha, "The performance of a Multi-Carrier DS/CDMA System with Maximal Ratio Combining Diversity," ITC-CSCC96, pp. 432-436, 1996
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B. Kang and J. Ha, "Effect of Diversity and FEC Coding on DS/CDMA Mobile Radio System," ICW, pp.53-565, 1995
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¿ÀÁöÀº, ÇÏÁ¤¼®, "Flash Memory¸¦ À§ÇÑ ¿¬Á¢ ºÎÈ£," 2011 ÇϰèÁ¾ÇÕÇмú´ëȸ, ´ëÇѹα¹, Á¦ÁÖµµ, 2011³â 6¿ù
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±è¿õȯ, Á¶¼º±Ù, ÇÏÁ¤¼®, "´ë¿ë·® SSD¸¦ À§ÇÑ MLC NAND Flash ¸Þ¸ð¸® ä³Î¿¡¼ÀÇ ÃÖÀû ¾çÀÚÈ ¹æ¹ý," 2011 ÇϰèÁ¾ÇÕÇмú´ëȸ, ´ëÇѹα¹, Á¦ÁÖµµ, 2011³â 6¿ù
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ÀÓ»óÈÆ, ÇÏÁ¤¼®, "A Study on Secret Key Extraction System Based on the Reciprocity of Channel," JCCI 2011, ´ëÇѹα¹, ºÎ»ê, 2011³â 5¿ù
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Ȳ´ë¼º, ÀüÇü¼®, ÀÌÇõÀç, ÇÏÁ¤¼®, "Secure Type-Based Multiple Access with Power Control," JCCI 2011, ´ëÇѹα¹, ºÎ»ê, 2011³â 5¿ù
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Ä«À̽º ¾ÆÁÖÁö, °µ¿Çù, ÇÏÁ¤¼®, "A design of faster stochastic decoder for low-density parity-check codes," JCCI 2010, ´ëÇѹα¹, ¾È¸éµµ, 2010³â 4¿ù
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ÀüÇü¼®, ±è¹Î±â, Çö¸íÇØ, ÇÏÁ¤¼®, ÀÌÇõÀç, "»ó°ü ÆäÀ̵ù ä³Î¿¡¼ÀÇ º¸¾È ¿ë·®," 2008 Ãß°è Á¾ÇÕÇмú¹ßǥȸ, ´ëÇѹα¹, ¼¿ï, 2008³â 11¿ù
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Error Correcting Methods and Circuit over Interference Channel Environment, Flash Memory Device Using the Circuits and Methods, "the Application Number : PCT/KR2012/010439, Application Date : 2012-11-30"
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Method for puncturing an LDPC channel code, US Patent, "Patent Number : 7657824, Issue Date : 2010-02-02"
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Channel encoding apparatus and method, US Patent, "Patent Number : 7451385, Issue Date : 2008-11-11"
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Method for puncturing an LDPC channel code, German, French Patent, "Patent Number : 1653629, Issue Date : 2006-05-03"
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¼º°øÇÑ ±¸¼ºÄÚµåÀÇ º¹È£±âÀÇ Àü¿øÀ» ²¨ Power ReserveÇÏ´Â ¹æ¹ý , "Ãâ¿ø ¹øÈ£ : 10-2012-0073373, Ãâ¿øÀÏ : 2012-07-05 "
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ºÎºÐ º¹È£°¡ ¼º°øÇÑ ºÎÈ£¿¡ ´ëÇØ Åë°èÀû Ư¼ºÀ» À¯ÃßÇÏ¿© ¹®ÅÎÀü¾ÐÀ» ´Ù½Ã ÀçÁ¤ÀÇ ÇÏ¿© Àд ¹æ¹ý , "Ãâ¿ø ¹øÈ£ : 10-2012-0073372, Ãâ¿øÀÏ : 2012-07-05 "
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code dimension È®Àå , "Ãâ¿ø ¹øÈ£ : 10-2012-0073371, Ãâ¿øÀÏ : 2012-07-05 "
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°°Àº field »ó¿¡¼ Á¤ÀÇµÈ BCH codeÀÇ º¹È£±â¸¦ row¿Í col code¿¡¼ °øÀ¯Çؼ »ç¿ëÇÏ´Â ¹æ¹ý , "Ãâ¿ø ¹øÈ£ : 10-2012-0073370, Ãâ¿øÀÏ : 2012-07-05 "
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°£¼· ä³Î ȯ°æ¿¡¼ÀÇ ¿À·ù Á¤Á¤ ¹æ¹ý ¹× ȸ·Î, À̸¦ ÀÌ¿ëÇÑ Ç÷¡½Ã ¸Þ¸ð¸® ÀåÄ¡, "Ãâ¿ø ¹øÈ£ : 10-2012-0060606, Ãâ¿øÀÏ : 2012-06-05 "
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°£¼· ä³Î ȯ°æ¿¡¼ÀÇ ¿¬ÆÇÁ¤ Á¤º¸ ÃßÃâ ¹æ¹ý ¹× À̸¦ ÀÌ¿ëÇÑ Àú¹Ðµµ ÆÐ¸®Æ¼ °Ë»ç ºÎÈ£ º¹È£ ȸ·Î ¹× ¹æ¹ý, À̸¦ ÀÌ¿ëÇÑ Ç÷¡½Ã ¸Þ¸ð¸® ÀåÄ¡ÀÇ ¿À·ù Á¤Á¤ ȸ·Î ¹× Ç÷¡½Ã ¸Þ¸ð¸® ÀåÄ¡, "Ãâ¿ø ¹øÈ£ : 10-2012-0060605, Ãâ¿øÀÏ : 2012-06-05 "
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µµÃ»ÀÚÀÇ Æò±Õ ¸ðÈ£µµ »êÃâ ¹æ¹ý, º¸¾È ¸Þ½ÃÁö Àü¼Û ¹æ¹ý ¹× ½Ã½ºÅÛ, "Ãâ¿ø ¹øÈ£ : 10-2011-0121381, Ãâ¿øÀÏ : 2011-11-21 "
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¿¬Á¢ ºñ¾¾¿¡ÀÌÄ¡ ºÎÈ£, º¹È£ ¹× ´Ù°èÃþ º¹È£ ȸ·Î ¹× ¹æ¹ý, À̸¦ ÀÌ¿ëÇÑ Ç÷¡½¬ ¸Þ¸ð¸® ÀåÄ¡ÀÇ ¿À·ù Á¤Á¤ ȸ·Î ¹× Ç÷¡½¬ ¸Þ¸ð¸® ÀåÄ¡, "Ãâ¿ø ¹øÈ£ : 10-2011-0120623, Ãâ¿øÀÏ : 2011-11-18 "
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¸Þ¸ð¸®ÀÇ ¿À·ù Á¤Á¤ ÀåÄ¡ ¹× ¹æ¹ý, "Ãâ¿ø ¹øÈ£ : 10-2011-0120241, Ãâ¿øÀÏ : 2011-11-17 "
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´ÙÂ÷¿ø °ÝÀÚ££Ò£Ó ¿¬Á¢ ºÎÈ£ÀÇ ´Ù°èÃþ º¹È£ ȸ·Î ¹× ¹æ¹ý, À̸¦ ÀÌ¿ëÇÑ Ç÷¡½¬ ¸Þ¸ð¸® ÀåÄ¡¸¦ À§ÇÑ ¿À·ù Á¤Á¤ ȸ·Î, ¹× Ç÷¡½¬ ¸Þ¸ð¸® ÀåÄ¡, "Ãâ¿ø ¹øÈ£ : 10-2011-0040285, Ãâ¿øÀÏ : 2011-04-28 "
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Ç÷¡½Ã ¸Þ¸ð¸® ÀåÄ¡ÀÇ ¼¿ °£ °£¼·À» ÃÖ¼ÒÈÇϱâ À§ÇÑ °ÝÀÚ ºÎÈ£ º¯Á¶ ¹æ¹ý, À̸¦ ÀÌ¿ëÇÏ´Â °ÝÀÚ ºÎÈ£ º¯Á¶ ȸ·Î, ¿À·ù Á¤Á¤ ȸ·Î ¹× Ç÷¡½Ã ¸Þ¸ð¸® ÀåÄ¡ÀÇ µ¥ÀÌÅÍ ÀÔ·Â ¹æ¹ý°ú Ç÷¡½Ã ¸Þ¸ð¸® ÀåÄ¡, "Ãâ¿ø ¹øÈ£ : 10-2010-0122415, Ãâ¿øÀÏ : 2010-12-03"
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°³¼±µÈ ºñÆ® ¹ÝÀü ¾Ë°í¸®Áò ±â¹ÝÀÇ Àú¹Ðµµ ÆÐ¸®Æ¼ °Ë»ç ºÎÈ£¸¦ À§ÇÑ º¹È£¹æ¹ý, ÀåÄ¡ ¹× À̸¦ À§ÇÑ ±â·Ï ¸Åü, "Ãâ¿ø ¹øÈ£ : 10-2010-0114203, Ãâ¿øÀÏ : 2010-11-17"
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°¡º¯ ÀýÆíÀÇ Â÷¼ö ºÐÆ÷¿¡ ±â¹ÝÇÑ ºñÁ¤±Ô Àú¹Ðµµ ÆÐ¸®Æ¼ °Ë»ç ºÎÈ£ÀÇ °èÃþÀû ½Å·Ú ÀüÆÄ º¹È£È ¹æ¹ý, ÀåÄ¡ ¹× À̸¦ À§ÇÑ ¸Åü, "Ãâ¿ø ¹øÈ£ : 10-2009-0134035, Ãâ¿øÀÏ : 2009-12-30"
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õ°ø ¹æ¹ý ¹× ±× ÀåÄ¡, ±×¸®°í õ°ø ½Ã º¹È£ ¹æ¹ý, "Ãâ¿ø ¹øÈ£ : 10-2009-0015915, Ãâ¿øÀÏ : 2009-02-25"
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ºñÀÌÁø Àú¹Ðµµ ÆÐ¸®Æ¼ °Ë»ç ºÎÈ£¸¦ À§ÇÑ º¹È£ ¹æ¹ý ¹× ÀåÄ¡, "Ãâ¿ø ¹øÈ£ : 10-2008-0112324, Ãâ¿øÀÏ : 2008-11-12"
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Â÷·® Åë½Å ȯ°æÀ» À§ÇÑ hybrid MAC ÇÁ·ÎÅäÄÝ, "Ãâ¿ø ¹øÈ£ : 10-2008-0102640, Ãâ¿øÀÏ : 2008-10-20"
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