Chong Kwan Un

Publication Activity (10 Years)

Years Active: 1975-1998
Publications (10 Years): 0

Publications

Jang Wong Lee, Jin Seek Choi, Chong Kwan Un
Performance Analysis of an Input Queueing ATM Switch with Two Priority Classes. Perform. Evaluation 32 (2) (1998)
Do Yeong Kim, Chong Kwan Un, Nam Soo Kim
Speech recognition in noisy environments using first-order vector Taylor series. Speech Commun. 24 (1) (1998)
Nam Soo Kim, Chong Kwan Un
Deleted strategy for MMI-based HMM training. IEEE Trans. Speech Audio Process. 6 (3) (1998)
Chul Hong Kwon, Chong Kwan Un
Low-rate CELP speech coding using an improved weighting function. ICASSP (1997)
Jin Seek Choi, Kye Sang Lee, Chong Kwan Un
Performance Comparison of Nonpreemptive and Preemptive Priority Queueing Strategies in ATM Packet Switch with Input Buffers. Perform. Evaluation 29 (3) (1997)
Y. L. Jae, Chong Kwan Un
Performance Analysis of Two Fanout Splitting Schemes for a Multicast Packet Switch With Capacity M. Perform. Evaluation 29 (1) (1997)
Jaesung Lim, Chong Kwan Un
Optimum block adaptive filtering algorithms using the preconditioning technique. IEEE Trans. Signal Process. 45 (3) (1997)
Nam Soo Kim, Chong Kwan Un
Frame-correlated hidden Markov model based on extended logarithmic pool. IEEE Trans. Speech Audio Process. 5 (2) (1997)
Do Yeong Kim, Nam Soo Kim, Chong Kwan Un
Model-based approach for robust speech recognition in noisy environements with multiple noise sources. EUROSPEECH (1997)
Nam Soo Kim, Chong Kwan Un
Statistically reliable deleted interpolation. IEEE Trans. Speech Audio Process. 5 (3) (1997)
Kye Sang Lee, Chong Kwan Un, Jae Yong Lee
Performance Analysis of Input Queue with Combination of Push-Out and State-Dependent Scheduling Schemes for Nonblocking ATM Switches. Perform. Evaluation 30 (3) (1997)
S. K. Doo, Chong Kwan Un
Performance of Contention Processing Schemes for WDM Networks with Control Channels. Perform. Evaluation 25 (2) (1996)
Jaesung Lim, Chong Kwan Un
Block conjugate gradient algorithms for adaptive filtering. Signal Process. 55 (1) (1996)
Sang Won Min, Hae Chung, Chong Kwan Un
Cell loss analysis of an ATM multiplexer with loss priority control for VBR bursty traffic. Comput. Commun. 19 (6-7) (1996)
Young Sik Youn, Chong Kwan Un
Performance of dilated banyan network with back-pressure mechanism. Comput. Commun. 19 (12) (1996)
Jin Seek Choi, Chong Kwan Un
Performance study of an input and output queueing ATM switch with a window scheme and a speed constraint. Telecommun. Syst. 6 (1) (1996)
S. Y. Young, Chong Kwan Un
Performance Analysis of Cut-Through Buffered Banyan Networks with Finite Buffer Size. Perform. Evaluation 25 (4) (1996)
Yong-Joo Chung, Chong Kwan Un
Multilayer perceptrons for state-dependent weightings of HMM likelihoods. Speech Commun. 18 (1) (1996)
Yong-Joo Chung, Chong Kwan Un
An MLP/HMM hybrid model using nonlinear predictors. Speech Commun. 19 (4) (1996)
Chul Hong Kwon, Chong Kwan Un
Improving the adaptive source model for CELP coding with long analysis frame size. Speech Commun. 16 (4) (1995)
Jae Hwoon Lee, Chong Kwan Un
Asynchronous reservation protocol for variable-sized messages in a WDM-based local network. Comput. Commun. 18 (12) (1995)
Do Kyu Kim, Chong Kwan Un
Performance analysis of bandwidth allocation strategy with state-dependent Bernoulli access and preemptive priority in wideband integrated networks. Telecommun. Syst. 4 (1) (1995)
Nam Soo Kim, Chong Kwan Un
On estimating robust probability distribution in HMM-based speech recognition. IEEE Trans. Speech Audio Process. 3 (4) (1995)
Youn Chan Jung, Chong Kwan Un
Banyan multipath self-routing ATM switches with shared buffer type switch elements. IEEE Trans. Commun. 43 (11) (1995)
Jaesung Lim, Chul Heum Yon, Chong Kwan Un
An optimum block adaptive algorithm based on the nested iteration technique. Signal Process. 45 (2) (1995)
Hong Beom Jeon, Chong Kwan Un
Contention-based reservation protocols in multiwavelength optical networks with a passive star topology. IEEE Trans. Commun. 43 (11) (1995)
Jun Mo Koo, Hyung Soon Kim, Chong Kwan Un
A Korean Large Vocabulary Speech Recognition System for Automatic Telephone Number Query Service. Int. J. Pattern Recognit. Artif. Intell. 8 (1) (1994)
Chan Jung Youn, Chong Kwan Un
Performance Analysis of Packet Switches with Input and Output Buffers. Comput. Networks ISDN Syst. 26 (12) (1994)
Young Han Kim, Chong Kwan Un
Performance analysis of statistical multiplexing for heterogeneous bursty traffic in an ATM network. IEEE Trans. Commun. 42 (234) (1994)
Hae Chung, Chong Kwan Un, Woo Young Jung
Performance Analysis of Markovian Polling Systems with Single Buffers. Perform. Evaluation 19 (4) (1994)
Young-Jong Cho, Chong Kwan Un
Performance Analysis of Reconstruction Algorithms for Packet Voice Communications. Comput. Networks ISDN Syst. 26 (11) (1994)
Young-Jong Cho, Chong Kwan Un
Performance analysis of ARQ error controls under Markovian block error pattern. IEEE Trans. Commun. 42 (234) (1994)
Woo Young Jung, Chong Kwan Un
Analysis of a finite-buffer polling system with exhaustive service based on virtual buffering. IEEE Trans. Commun. 42 (12) (1994)
Young-Jong Cho, Chong Kwan Un
Modeling and analysis of a tandem link connection under the burst-error condition. IEEE Trans. Commun. 42 (234) (1994)
Sea Hyeon Nam, Chong Kwan Un
Performance analysis of broadcast star network with priorities. IEEE Trans. Commun. 42 (234) (1994)
Byung-Chul Kim, Chong Kwan Un
Capacity of wireless dynamic TDMA and media access control for packetized voice/data integration. Wirel. Pers. Commun. 1 (4) (1994)
Chong Ho Yoon, Chong Kwan Un
-persistent CSMA-CD protocols for fiber optic bus networks. IEEE Trans. Commun. 42 (234) (1994)
Won Sik Youn, Chong Kwan Un
Robust adaptive beamforming based on the eigenstructure method. IEEE Trans. Signal Process. 42 (6) (1994)
Goo Yeon Lee, Chong Kwan Un
Design and performance analysis of an asynchronous non-blocking switch with window policy. Telecommun. Syst. 1 (1) (1993)
Won Sik Youn, Chong Kwan Un
A linearly constrained beamforming robust to array imperfections. IEEE Trans. Signal Process. 41 (3) (1993)
Won Sik Youn, Chong Kwan Un
Fast adaptive beamforming robust to array imperfections. Signal Process. 34 (1) (1993)
Chong Ho Yoon, Chong Kwan Un
Performance of Personal Portable Radio Telephone Systems with and without Guard Channels. IEEE J. Sel. Areas Commun. 11 (6) (1993)
Young Han Kim, Chong Kwan Un
Analysis of bandwidth allocation strategies with access restrictions in broadband ISDN. IEEE Trans. Commun. 41 (5) (1993)
Dong Soo Park, Chong Kwan Un
Performance of the prioritized random token protocol for high-speed and ratio networks. IEEE Trans. Commun. 41 (6) (1993)
You Ze Cho, Chong Kwan Un
Analysis of the M/G/1 queue under a combined preemptive/nonpreemptive priority discipline. IEEE Trans. Commun. 41 (1) (1993)
Seong Keun Oh, Chong Kwan Un
A Sequential Estimation Approach for Performance Improvement of Eigenstructure-Based Methods in Array Processing. IEEE Trans. Signal Process. 41 (1) (1993)
Sea Hyeon Nam, Chong Kwan Un
Performance Analysis of a Multichannel Local Lightwave Network with Grouping Property. INFOCOM (1992)
Myoung-Wan Koo, Chong Kwan Un
A speaker adaptation based on corrective training and learning vector quantization. ICSLP (1992)
Seong Keun Oh, Chong Kwan Un
Simple computational methods of the AP algorithm for maximum likelihood localization of multiple radiating sources. IEEE Trans. Signal Process. 40 (11) (1992)
Jun Mo Koo, Chong Kwan Un
A recognition time reduction algorithm for large-vocabulary speech recognition. Speech Commun. 11 (1) (1992)
Sea Hyeon Nam, Chong Kwan Un
Performance Analysis of Broadcast Star Network with Collision-Avoidance Switch. Comput. Networks ISDN Syst. 25 (2) (1992)
Young Han Kim, Byung Chul Shin, Chong Kwan Un
Performance Analysis of Leaky-Bucket Bandwidth Enforcement Strategy for Bursty Traffics in an ATM Network. Comput. Networks ISDN Syst. 25 (3) (1992)
Sun Park, Chong Kwan Un
Parallel modified spatial smoothing algorithm for coherent interference cancellation. Signal Process. 24 (3) (1991)
Seong Keun Oh, Chong Kwan Un
Fast initialization procedure of the alternating projection algorithm for maximum likelihood localization of multiple sources. Signal Process. 25 (3) (1991)
Y. S. Youn, Chong Kwan Un
Performance Analysis of an Integrated Voice / Data Cut-Through Switching Network. Comput. Networks ISDN Syst. 21 (1991)
Young-Jong Cho, Chong Kwan Un
Window flow control with error-checking scheme in quasi-cut-through switching network with noisy channels. IEEE Trans. Commun. 39 (3) (1991)
Chong Ho Yoon, Chong Kwan Un
Unslotted CSMA-CD Protocols with Combined Retransmission Strategy for Fiber Optic Bus and Ring Networks. Comput. Networks ISDN Syst. 21 (5) (1991)
Jun Mo Koo, Chong Kwan Un, Hwang Soo Lee, H. R. Kim, Myoung-Wan Koo
A recognition time reduction algorithm for large-vocabulary speech recognition. ICSLP (1990)
Sung Ro Lee, Hwang Soo Lee, Chong Kwan Un
A low rate VQ speech coding algorithm with variable transmission frame length. ICSLP (1990)
Hyung Soon Kim, Chong Kwan Un
Speech recognition method based on the dual processing nature of speech perception. ICSLP (1990)
Jun Kyun Choi, Jung Uck Seo, Chong Kwan Un
Performance analysis of a packet-switched synchronous voice/data transmission system. IEEE Trans. Commun. 38 (9) (1990)
Nam Soo Kim, Chong Kwan Un
Generalized training of hidden Markov model parameters for speech recognition. ICSLP (1990)
Jin Yul Kim, Yun-Seok Cho, Soon Young Yoon, Hwang Soo Lee, Chong Kwan Un
An efficient viterbi scoring architecture for HMM-based isolated word recognition systems. ICSLP (1990)
Goo Yeon Lee, Chong Kwan Un
Delay Analysis of the ISDN D-Channel Access Protocol. Comput. Networks ISDN Syst. 19 (1) (1990)
Myoung-Wan Koo, Chong Kwan Un, Hwang Soo Lee, Jun Mo Koo, H. R. Kim
A comparative study of speaker adaptation methods for HMM-based speech recognition. ICSLP (1990)
Gi Hong Im, Chong Kwan Un, Jae Chon Lee
Performance of a class of adaptive data-driven echo cancellers. IEEE Trans. Commun. 37 (12) (1989)
Jun-Kyun Choi, Chong Kwan Un
On acknowledgement schemes of sliding window flow control. IEEE Trans. Commun. 37 (11) (1989)
Jong Rak Lee, Chong Kwan Un
Voice Transmission Through the Code Division Multiple Access Local Area Network. ICC (1986)
Byung Chul Shin, Chong Kwan Un
Performance Analysis of a Quasi-M/D/1 Cut-Through Switching Network with Noisy Channels. IEEE Trans. Commun. 34 (9) (1986)
Dong-Ho Cho, Chong Kwan Un
Variable-rate ADM with Efficient Residual Coding for Packet Voice Transmission. ICC (1986)
Hwa Kim, Chong Kwan Un, Jae Chon Lee
The N-Phase Digital Tanlock Loop for Tracking Suppressed-Carrier N-ary PSK Signals. IEEE Trans. Commun. 33 (9) (1985)
Hyeong Lee, Chong Kwan Un
Performance Analysis of Statistical Voice/Data Multiplexing Systems with Voice Storage. IEEE Trans. Commun. 33 (8) (1985)
Y. C. Kye, H. J. Cho, Chong Kwan Un
On Improving the Performance of an FIR ADM Digital Filter. IEEE Trans. Commun. 33 (7) (1985)
Hwang Soo Lee, Chong Kwan Un
On the Performance of Speech Waveform Coders with Noise Spectral Shaping. IEEE Trans. Commun. 33 (7) (1985)
Jin-Ick Lee, Chong Kwan Un
Performance Analysis of PCM/ADPCM Transcoding Systems. IEEE Trans. Commun. 33 (12) (1985)
Jae Chon Lee, Chong Kwan Un
On the convergence behaviour of frequency-domain LMS adaptive digital filters. ICASSP (1984)
Chong Kwan Un, Jong Rak Lee
A 9600 Bit/s RELP Vocoder With Split-Band Coding. ICC (3) (1984)
Kyong-Ae Oh, Chong Kwan Un
A performance comparison of pitch extraction algorithms for noisy speech. ICASSP (1984)
Byung Suk Lee, Chong Kwan Un, Hyeong-Ho Lee, Byoung Cheol Shin, Hwang Soo Lee
Implementation of a Multirate Speech Digitizer. IEEE Trans. Commun. 31 (6) (1983)
Byoung Cheol Shin, Hyeong-Ho Lee, Chong Kwan Un, Sang Zee Lee, Kil Ho Song
Implementation of a Two-Channel LPC Vocoder. IEEE Trans. Commun. 31 (7) (1983)
Chong Kwan Un, Dong-Ho Cho
Hybrid Companding Delta Modulation with Variable-Rate Sampling. IEEE Trans. Commun. 30 (4) (1982)
Chong Kwan Un, Jong Rak Lee
On spectral flattening techniques in residual-excited linear prediction vocoding. ICASSP (1982)
Kil Ho Song, Chong Kwan Un
Pole-zero modeling of noisy speech and its application to vocoding. ICASSP (1982)
Jae Chon Lee, Chong Kwan Un
Performance Analysis of Digital Tanlock Loop. IEEE Trans. Commun. 30 (10) (1982)
Chong Kwan Un, Hwang Soo Lee, Joo Seok Song
Hybrid Companding Delta Modulation. IEEE Trans. Commun. 29 (9) (1981)
Chong Kwan Un, K. Y. Choi
Improving LPC analysis of noisy speech by autocorrelation subtraction method. ICASSP (1981)
Yong-Hwan Lee, Chong Kwan Un
A Performance Study of Delta Modulation Systems for Voiceband Data Signals. IEEE Trans. Commun. 29 (9) (1981)
Hwang Soo Lee, Chong Kwan Un
Quantization Noise in Adaptive Delta Modulation Systems. IEEE Trans. Commun. 28 (10) (1980)
Chong Kwan Un, Hwang Soo Lee
A Study of the Comparative Performance of Adaptive Delta Modulation Systems. IEEE Trans. Commun. 28 (1) (1980)
Kil Ho Song, Chong Kwan Un
On pole-zero modeling of speech. ICASSP (1980)
Chong Kwan Un, Wonyong Sung
A 4800 bps LPC vocoder with improved excitation. ICASSP (1980)
Chong Kwan Un
A Low-Rate Digital Formant Vocoder. IEEE Trans. Commun. 26 (3) (1978)
Chong Kwan Un, D. Thomas Magill
The Residual-Excited Linear Prediction Vocoder with Transmission Rate Below 9.6 kbits/s. IEEE Trans. Commun. 23 (12) (1975)