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Research Output 1997 2019

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Paper
2003

A New Adaptive Linear Multiuser Detector based on Approximate Negentropy Minimization

Choi, S. & Lee, T. W., 2003 Dec 1, p. 3346-3350. 5 p.

Research output: Contribution to conferencePaper

Detectors
Bit error rate
Multiuser detection
Random variables
entropy
2002
2 Citations (Scopus)

A novel RBF-based detector for MIMO systems over rich-scattering fading channels

Ko, K. B., Kim, T., Choi, S., Kang, C. & Hong, D., 2002 Dec 1, p. 434-438. 5 p.

Research output: Contribution to conferencePaper

Fading channels
scattering
Scattering
Detectors
simulation
2 Citations (Scopus)

Performance analysis of asynchronous MC-CDMA systems with a cyclic prefix

Ko, K. B., Kim, T., Choi, S., Kang, C. & Hong, D., 2002 Dec 1, p. 558-561. 4 p.

Research output: Contribution to conferencePaper

Code division multiple access
Multipath fading
Fading channels
Bit error rate
2001

Adaptive error-constrained backpropagation algorithm

Choi, S., Ko, K. B. & Hong, D., 2001 Dec 1, p. 103-112. 10 p.

Research output: Contribution to conferencePaper

Backpropagation algorithms
Constrained optimization
Adaptive filters
2 Citations (Scopus)

Adaptive error constrained LMS algorithms and its blind equalization method

Choi, S., Ko, K. & Hong, D., 2001 Dec 1, p. 3331-3335. 5 p.

Research output: Contribution to conferencePaper

Blind equalization
Constrained optimization
method
2 Citations (Scopus)

A multilayer feedforward neural network having N/4 nodes in two hidden layers

Choi, S., Ko, K. & Hong, D., 2001 Jan 1, p. 1675-1680. 6 p.

Research output: Contribution to conferencePaper

Feedforward neural networks
Multilayer neural networks
Equalizers
4 Citations (Scopus)

A simplified multiuser receiver of DS-CDMA system

Ko, K. B., Choi, S., Kang, C. & Hong, D., 2001 Jan 1, p. 1977-1982. 6 p.

Research output: Contribution to conferencePaper

Code division multiple access
Monte Carlo simulation
6 Citations (Scopus)

Equalization techniques using a simplified bilinear recursive polynomial perceptron with decision feedback

Choi, S., Ko, K. & Hong, D., 2001 Jan 1, p. 2883-2888. 6 p.

Research output: Contribution to conferencePaper

Decision feedback equalizers
Equalizers
Polynomials
Neural networks
Feedback
4 Citations (Scopus)

More accurate performance analysis of interference canceler in an asynchronous DS-CDMA system over the multipath fading channel

Ko, K., Choi, S., Lee, Y., Kang, C. & Hong, D., 2001 Dec 1, p. 1414-1417. 4 p.

Research output: Contribution to conferencePaper

Multipath fading
Multipath propagation
Rayleigh fading
Fading channels
Code division multiple access
2000
4 Citations (Scopus)

Equalization using the bilinear recursive polynomial perceptron with decision feedback

Choi, S. & Hong, D., 2000 Jan 1, p. 366-371. 6 p.

Research output: Contribution to conferencePaper

Equalizers
Polynomials
Neural networks
Feedback
Decision feedback equalizers
2 Citations (Scopus)

Hybrid structured neural network receiver in digital communication systems

Choi, S. & Hong, D., 2000 Jan 1, p. 378-383. 6 p.

Research output: Contribution to conferencePaper

Digital communication systems
Radial basis function networks
Neural networks
Demodulators
Equalizers

Multiuser demodulators using adaptive polynomial perceptrons in CDMA systems

Choi, S., Choi, T., Roh, J., Ko, K. & Hong, D., 2000 Dec 1, p. 746-754. 9 p.

Research output: Contribution to conferencePaper

Demodulators
Code division multiple access
Polynomials
Neural networks
Bit error rate
3 Citations (Scopus)

Multi-user detector with an ability of channel estimation using a RBF network in an MC-CDMA system

Ko, K., Choi, S. & Hong, D., 2000 Jan 1, p. 348-353. 6 p.

Research output: Contribution to conferencePaper

Radial basis function networks
Channel estimation
Code division multiple access
Detectors
Frequency selective fading
46 Citations (Scopus)

Performance of an MC-CDMA system with frequency offsets in correlated fading

Kim, T., Kim, Y., Park, J., Ko, K., Choi, S., Kang, C. & Hong, D., 2000 Dec 3, p. 1095-1099. 5 p.

Research output: Contribution to conferencePaper

Code division multiple access
Degradation
Multipath fading
Rayleigh fading
Fading channels
1999
2 Citations (Scopus)

Performance of RBF equalizer in data storage channels

Choi, S. & Hong, D., 1999 Dec 1, p. 1077-1080. 4 p.

Research output: Contribution to conferencePaper

Equalizers
Data storage equipment
Nonlinear distortion
Intersymbol interference
Radial basis function networks
2 Citations (Scopus)

Suboptimal bayesian equalizer using an nonlinear multilayer combiner

Choi, S. & Hong, D., 1999 Dec 1, p. 353-362. 10 p.

Research output: Contribution to conferencePaper

Equalizers
Radial basis function networks
Multilayers
Digital communication systems
Magnetic storage
1998

Performance evaluation of neural equalizers for the DVD-ROM system

Lee, K., You, C., Choi, S., Ong, S. & Hong, D., 1998 Jan 1, p. 537-540. 4 p.

Research output: Contribution to conferencePaper

ROM
Videodisks
Equalizers
Optical transfer function
Multilayer neural networks

Quadratic sigmoid neural decision feedback equalizer for nonlinear digital magnetic recording channels

Choi, S., Ong, S., You, C. & Hong, D., 1998 Dec 1, p. 1735-1740. 6 p.

Research output: Contribution to conferencePaper

Decision feedback equalizers
Magnetic recording
Bit error rate
Equalizers
Nonlinear distortion
3 Citations (Scopus)

Secure communication using a chaos system in a mobile channel

Lee, J., Choi, S. & Hong, D., 1998 Dec 1, p. 2520-2525. 6 p.

Research output: Contribution to conferencePaper

chaotic dynamics
Chaos theory
communication
Transmitters
Communication systems
1997
7 Citations (Scopus)

Complex version of a decision feedback recurrent neural equalizer as an infinite impulse response filter

Ong, S., Choi, S., You, C. & Hong, D., 1997 Dec 1, p. 57-61. 5 p.

Research output: Contribution to conferencePaper

IIR filters
Equalizers
filter
Feedback
computer simulation