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Research Output 1995 2019

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2019
11 Citations (Scopus)

Ultrareliable and low-latency communication techniques for tactile internet services

Kim, K. S., Kim, D. K., Chae, C. B., Choi, S., Ko, Y. C., Kim, J., Lim, Y. G., Yang, M., Kim, S., Lim, B., Lee, K. & Ryu, K. L., 2019 Feb, In : Proceedings of the IEEE. 107, 2, p. 376-393 18 p., 8474959.

Research output: Contribution to journalArticle

Internet
Communication
Communication systems
Multimedia services
Network layers
2018

Achieving massive connectivity with non-orthogonal pilots and dirty-RFs

Choi, K. J. & Kim, K. S., 2018 Apr 1, In : Journal of Communications and Networks. 20, 2, p. 156-167 12 p.

Research output: Contribution to journalArticle

Antennas
Asymptotic analysis
Mean square error
Energy efficiency
Transmitters
38 Citations (Scopus)

A survey on hybrid beamforming techniques in 5G: Architecture and system model perspectives

Ahmed, I., Khammari, H., Shahid, A., Musa, A., Kim, K. S., De Poorter, E. & Moerman, I., 2018 Oct 1, In : IEEE Communications Surveys and Tutorials. 20, 4, p. 3060-3097 38 p., 8371237.

Research output: Contribution to journalArticle

Beamforming
Transceivers
Millimeter waves
Wireless networks
Communication
9 Citations (Scopus)

Load-balancing scheme with small-cell cooperation for clustered heterogeneous cellular networks

Park, J. B. & Kim, K. S., 2018 Jan 1, In : IEEE Transactions on Vehicular Technology. 67, 1, p. 633-649 17 p., 8025422.

Research output: Contribution to journalArticle

Heterogeneous Networks
Cellular Networks
Load Balancing
Base stations
Resource allocation
6 Citations (Scopus)

Millimeter-wave interference avoidance via building-aware associations

Kim, J., Park, J., Kim, S., Kim, S. L., Sung, K. W. & Kim, K. S., 2018 Feb 5, In : IEEE Access. 6, p. 10618-10634 17 p.

Research output: Contribution to journalArticle

Wave interference
Millimeter waves
Base stations
Telecommunication networks
Statistics
1 Citation (Scopus)

Rate-compatible ARACA codes

Jeon, K. J. & Kim, K. S., 2018 Mar 22, In : Electronics Letters. 54, 6, p. 398-400 3 p.

Research output: Contribution to journalArticle

Iterative decoding
Communication

Waveform multiplexing for new radio: Numerology management and 3D evaluation

Lim, Y. G., Jung, T., Kim, K. S., Chae, C. B. & Valenzuela, R. A., 2018 Oct, In : IEEE Wireless Communications. 25, 5, p. 86-94 9 p., 8524897.

Research output: Contribution to journalArticle

Multiplexing
Communication
Ray tracing
Communication systems
2017
2 Citations (Scopus)

Accumulate Repeat Accumulate Check Accumulate Codes

Jeon, K. J. & Kim, K. S., 2017 Nov, In : IEEE Transactions on Communications. 65, 11, p. 4585-4599 15 p., 7973156.

Research output: Contribution to journalArticle

Iterative decoding
Doping (additives)
Long Term Evolution (LTE)
Tessellation
Heterogeneous Networks
Cellular Networks
Resource allocation
4 Citations (Scopus)

Optimal Semi-Persistent Uplink Scheduling Policy for Large-Scale Antenna Systems

Choi, K. J. & Kim, K. S., 2017 Oct 19, In : IEEE Access. 5, p. 22902-22915 14 p., 8076824.

Research output: Contribution to journalArticle

Scheduling
Antennas
Integer programming
Linear programming
Quality of service
7 Citations (Scopus)

Self-Organized Energy-Efficient Cross-Layer Optimization for Device to Device Communication in Heterogeneous Cellular Networks

Shahid, A., Kim, K. S., De Poorter, E. & Moerman, I., 2017 Jan 1, In : IEEE Access. 5, p. 1117-1128 12 p., 7812573.

Research output: Contribution to journalArticle

Energy efficiency
Communication
Quality of service
Channel state information
Global optimization
2016
24 Citations (Scopus)

Smart Small Cell with Hybrid Beamforming for 5G: Theoretical Feasibility and Prototype Results

Jang, J., Chung, M., Hwang, S. C., Lim, Y. G., Yoon, H. J., Oh, T., Min, B. W., Lee, Y., Kim, K. S., Chae, C. B. & Kim, D. K., 2016 Dec, In : IEEE Wireless Communications. 23, 6, p. 124-131 8 p., 7744779.

Research output: Contribution to journalArticle

Beamforming
Ray tracing
Testbeds
Antenna arrays
Wireless networks
2015
3 Citations (Scopus)

Multi-user massive MIMO for next-generation WLAN systems

Kim, K. J., Choi, K. J., Lee, S. R. & Kim, K. S., 2015 May 14, In : Electronics Letters. 51, 10, p. 792-794 3 p.

Research output: Contribution to journalArticle

Wireless local area networks (WLAN)
Network protocols
Frequency division multiple access

UL e-ICIC scheme using SLP-ABS for self-organized heterogeneous cellular networks

Lee, H. Y., Park, J. B. & Kim, K. S., 2015 Jan 1, In : IEEE Communications Letters. 19, 1, p. 86-89 4 p., 6949605.

Research output: Contribution to journalArticle

Heterogeneous Networks
Uplink
Cellular Networks
Load Balancing
Resource allocation
2014
4 Citations (Scopus)

Delay and energy constrained random access transport capacity

Byun, I., Ko, B. H., Jeon, K. J. & Kim, K. S., 2014 Jan 1, In : IEEE Transactions on Wireless Communications. 13, 8, p. 4495-4506 12 p., 6805635.

Research output: Contribution to journalArticle

Random Access
Energy
Network protocols
Wireless ad hoc networks
Outages
10 Citations (Scopus)

Load distribution in heterogeneous cellular networks

Sang, Y. J. & Kim, K. S., 2014 Feb 1, In : IEEE Communications Letters. 18, 2, p. 237-240 4 p., 6697915.

Research output: Contribution to journalArticle

Load Distribution
Heterogeneous Networks
Cellular Networks
Resource allocation
Macros
7 Citations (Scopus)

Low-complexity DFT-based channel estimation with leakage nulling for OFDM systems

Kim, K. J., Hwang, H. G., Choi, K. J. & Kim, K. S., 2014 Mar, In : IEEE Communications Letters. 18, 3, p. 415-418 4 p., 6784535.

Research output: Contribution to journalArticle

Nulling
Channel Estimation
Channel estimation
Orthogonal Frequency Division multiplexing (OFDM)
Leakage
20 Citations (Scopus)

On the uplink SIR distributions in heterogeneous cellular networks

Lee, H. Y., Sang, Y. J. & Kim, K. S., 2014 Dec 1, In : IEEE Communications Letters. 18, 12, p. 2145-2148 4 p., 6919997.

Research output: Contribution to journalArticle

Heterogeneous Networks
Uplink
Cellular Networks
Power control
Interference
1 Citation (Scopus)

Partial feedback schemes for MIMO-OFDMA systems using random beamforming: Analysis and optimization

Kang, M., Sang, Y. J., Kim, K. J. & Kim, K. S., 2014 Apr 25, In : Wireless Communications and Mobile Computing. 14, 6, p. 596-612 17 p.

Research output: Contribution to journalArticle

Beamforming
MIMO systems
Feedback
Long Term Evolution (LTE)
Frequency division multiple access
2013
7 Citations (Scopus)

Delay-constrained random access transport capacity

Byun, I., Andrews, J. G. & Kim, K. S., 2013 Feb 8, In : IEEE Transactions on Wireless Communications. 12, 4, p. 1628-1639 12 p., 6449261.

Research output: Contribution to journalArticle

Random Access
Network protocols
Scaling Exponent
Rate Control
Multi-hop
1 Citation (Scopus)

Hierarchical tree search for runtime-constrained soft-output MIMO detection

Choi, K. J. & Kim, K. S., 2013 Jan 1, In : IEEE Transactions on Vehicular Technology. 62, 2, p. 890-896 7 p., 6353996.

Research output: Contribution to journalArticle

Search Trees
Multiple-input multiple-output (MIMO)
Tree Algorithms
Search Algorithm
Output
2012
32 Citations (Scopus)

Generalized cross-correlation properties of Chu sequences

Kang, J. W., Whang, Y., Ko, B. H. & Kim, K. S., 2012 Jan 1, In : IEEE Transactions on Information Theory. 58, 1, p. 438-444 7 p., 6003788.

Research output: Contribution to journalArticle

Distribution functions
Values
16 Citations (Scopus)

Performance analysis and optimization of best-M feedback for OFDMA systems

Kang, M. & Kim, K. S., 2012 Sep 12, In : IEEE Communications Letters. 16, 10, p. 1648-1651 4 p., 6297423.

Research output: Contribution to journalArticle

Frequency division multiple access
Orthogonal Frequency Division multiple Access (OFDMA)
Performance Optimization
Performance Analysis
Feedback
2011
7 Citations (Scopus)

An overlaid hybrid-division duplex OFDMA system with multihop transmission

Sang, Y. J., Park, J. M., Kim, S. L. & Kim, K. S., 2011 Aug 1, In : ETRI Journal. 33, 4, p. 633-636 4 p.

Research output: Contribution to journalArticle

Frequency division multiple access
Synchronization
7 Citations (Scopus)

Cooperative hybrid-ARQ protocols: Unified frameworks for protocol analysi

Byun, I. & Kim, K. S., 2011 Oct 1, In : ETRI Journal. 33, 5, p. 759-769 11 p.

Research output: Contribution to journalArticle

Throughput
Outages
Redundancy
25 Citations (Scopus)

Optimal pilot sequence design for multi-cell MIMO-OFDM systems

Kang, J. W., Whang, Y., Lee, H. Y. & Kim, K. S., 2011 Oct 1, In : IEEE Transactions on Wireless Communications. 10, 10, p. 3354-3367 14 p., 6002423.

Research output: Contribution to journalArticle

MIMO-OFDM
MIMO systems
Orthogonal frequency division multiplexing
Design for testability
Cell
2009

A partial IR hybrid ARQ scheme using rate-compatible punctured LDPC codes in an HSDPA system

Jeong, C. R., Park, H. Y., Kim, K. S. & Whang, K. C., 2009 Feb, In : IEICE Transactions on Communications. E92-B, 2, p. 604-607 4 p.

Research output: Contribution to journalArticle

3G mobile communication systems
Redundancy
Turbo codes
3 Citations (Scopus)

Design of low-rate irregular LDPC codes using trellis search

Lee, S. H. & Kim, K. S., 2009 Aug 12, In : IEEE Transactions on Communications. 57, 7, p. 1994-2004 11 p.

Research output: Contribution to journalArticle

Trellis codes
1 Citation (Scopus)

Practical network-coding scheme for two-way relay channels employing a rate-compatible punctured code

Byun, I. & Kim, K. S., 2009 Nov 10, In : ieice electronics express. 6, 21, p. 1522-1527 6 p.

Research output: Contribution to journalArticle

Cooperative communication
Network coding
relay
coding
Piercing

Variable power and rate allocation using simple CQI for multiuser OFDMA-CDM systems

Kim, K. S. & Kim, Y. H., 2009 Jun 1, In : IEEE Transactions on Wireless Communications. 8, 6, p. 2776-2782 7 p., 5089951.

Research output: Contribution to journalArticle

Frequency division multiple access
Orthogonal Frequency Division multiple Access (OFDMA)
Multiplexing
Mean square error
Division
2008

Adaptive transmission with mixed band-AMC and diversity modes for multiuser OFDMA

Sim, S. B., Kim, Y. H. & Kim, K. S., 2008 Jan 1, In : IEICE Transactions on Communications. E91-B, 9, p. 3021-3024 4 p.

Research output: Contribution to journalArticle

Resource allocation
Throughput
Feedback
1 Citation (Scopus)

Blind carrier frequency synchronization for the uplink of interleaved OFDMA systems

Hwang, J. Y., Kim, K. S., Kim, Y. S. & Whang, K. C., 2008 Jan 1, In : IEICE Transactions on Communications. E91-B, 1, p. 368-371 4 p.

Research output: Contribution to journalArticle

Fast Fourier transforms
Synchronization
Frequency selective fading
Filter banks
Fading channels
18 Citations (Scopus)

Low complexity MMSE-SIC equalizer employing time-domain recursion for OFDM systems

Park, J. H., Whang, Y. & Kim, K. S., 2008 Dec 1, In : IEEE Signal Processing Letters. 15, p. 633-636 4 p.

Research output: Contribution to journalArticle

Successive Interference Cancellation
Equalizer
Equalizers
Orthogonal Frequency Division multiplexing (OFDM)
Mean Squared Error
3 Citations (Scopus)

Multiuser adaptive transmission technique for time-varying frequency-selective fading channels

Rhee, D., Hwang, H. G., Sang, Y. J. & Kim, K. S., 2008 Aug 1, In : Signal Processing. 88, 8, p. 2095-2107 13 p.

Research output: Contribution to journalArticle

Frequency selective fading
Fading channels
Feedback
Signal to noise ratio
Adaptive modulation

Robust space time code for channel coded MIMO systems

Byun, I., Hwang, H. G., Sang, Y. J. & Kim, K. S., 2008 Jan 1, In : IEICE Transactions on Communications. E91-B, 1, p. 381-384 4 p.

Research output: Contribution to journalArticle

Space time codes
Turbo codes
10 Citations (Scopus)

Structured puncturing for rate-compatible B-LDPC codes with dual-diagonal parity structure

Park, H. Y., Kim, K. S., Kim, D. H. & Whang, K. C., 2008 Oct 1, In : IEEE Transactions on Wireless Communications. 7, 10, p. 3692-3696 5 p., 4657312.

Research output: Contribution to journalArticle

Piercing
Low-density Parity-check (LDPC) Codes
Parity
Zigzag
Recovery
2007
2 Citations (Scopus)

A pragmatic adaptive transmission scheme with low-rate feedback using two-step partial CQI for multiuser OFDMA systems

Kwon, J. H., Rhee, D., Whang, Y. & Kim, K. S., 2007 Feb, In : IEICE Transactions on Communications. E90-B, 2, p. 405-407 3 p.

Research output: Contribution to journalArticle

Feedback
Degradation

A study on power quality diagnosis system using neural networks

Kim, J. S., Kim, Y. I., Kim, K. S. & Park, G. J., 2007 Jan 1, In : Transactions of the Korean Institute of Electrical Engineers. 56, 8, p. 1351-1358 8 p.

Research output: Contribution to journalArticle

Power quality
Neural networks
Backpropagation
Industry

Efficient adaptive transmission technique for coded multiuser OFDMA systems

Rhee, D., Kwon, J. H., Byun, I. & Kim, K. S., 2007 Aug, In : IEICE Transactions on Communications. E90-B, 8, p. 2168-2171 4 p.

Research output: Contribution to journalArticle

Feedback
Modulation
35 Citations (Scopus)

Efficient puncturing method for rate-compatible low-density parity-check codes

Hyo, Y. P., Jae, W. K., Kwang, S. & Keum, C. W., 2007 Jan 1, In : IEEE Transactions on Wireless Communications. 6, 11, p. 3914-3919 6 p.

Research output: Contribution to journalArticle

Piercing
Low-density Parity-check (LDPC) Codes
LDPC Codes
Cost functions
Vertex of a graph
20 Citations (Scopus)

Synchronization and cell-search technique using preamble for OFDM cellular systems

Kim, K. S., Kim, S. W., Cho, Y. S. & Ahn, J. Y., 2007 Nov 1, In : IEEE Transactions on Vehicular Technology. 56, 6 I, p. 3469-3485 17 p.

Research output: Contribution to journalArticle

Cellular Systems
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Synchronization
Cell
2006

A novel frequency offset estimation for OFDM systems

Hwang, J. Y., Kim, K. S. & Whang, K. C., 2006 Nov, In : IEICE Transactions on Communications. E89-B, 11, p. 3132-3135 4 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Multipath propagation
Phase shift
Cost functions
1 Citation (Scopus)

A synchronization and cell searching technique using pilot tones for OFDM cellular systems

Kim, D. H., Kim, K. S., Ahn, J. Y. & Cho, Y. S., 2006 Jan, In : IEICE Transactions on Communications. E89-B, 1, p. 235-238 4 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Synchronization
Multipath propagation

Design and performance of an LDPC-Coded FH-OFDMA system in the uplink cellular environments

Kim, Y. H., Kim, K. S. & Lee, S. H., 2006 Jan 1, In : IEICE Transactions on Communications. E89-B, 3, p. 828-836 9 p.

Research output: Contribution to journalArticle

Frequency hopping
Channel estimation
Demodulation
Decoding
2005
1 Citation (Scopus)

A cycle search algorithm based on a message-passing for the design of good LDPC codes

Lee, S. H., Kim, K. S., Kim, Y. H. & Ahn, J. Y., 2005 Jun, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E88-A, 6, p. 1599-1604 6 p.

Research output: Contribution to journalArticle

LDPC Codes
Message passing
Message Passing
Search Algorithm
Cycle
5 Citations (Scopus)

Adaptive modulation and power allocation technique for LDPC-coded MIMO-OFDMA cellular systems

Kim, K. S., 2005 Nov, In : IEICE Transactions on Communications. E88-B, 11, p. 4410-4412 3 p.

Research output: Contribution to journalArticle

Adaptive modulation
MIMO systems
Feedback
2004
13 Citations (Scopus)

Design of binary LDPC code using cyclic shift matrices

Kim, K. S., Lee, S. H., Kim, Y. H. & Ahn, J. Y., 2004 Mar 4, In : Electronics Letters. 40, 5, p. 325-326 2 p.

Research output: Contribution to journalArticle

Binary codes
Data storage equipment
Degradation
7 Citations (Scopus)

Efficient adaptive transmission technique for LDPC coded OFDM cellular systems using multiple antennas

Kim, K. S., Kim, Y. H. & Ahn, J. Y., 2004 Mar 18, In : Electronics Letters. 40, 6, p. 396-397 2 p.

Research output: Contribution to journalArticle

Quadrature amplitude modulation
MIMO systems
Orthogonal frequency division multiplexing
Antennas
Feedback
8 Citations (Scopus)

Erasure decoding for LDPC-coded FH-OFDMA system in downlink cellular environments

Kim, Y. H., Kim, K. S. & Ahn, J. Y., 2004 Oct 28, In : Electronics Letters. 40, 22, p. 1433-1434 2 p.

Research output: Contribution to journalArticle

Decoding
2003
3 Citations (Scopus)

Hybrid pulse position modulation/ultrashort light pulse code-division multiple-access systems - Part II: Time-space processor and modified schemes

Kim, K. S., Marom, D. M., Milstein, L. B. & Fainman, Y., 2003 Jul 1, In : IEEE Transactions on Communications. 51, 7, p. 1135-1148 14 p.

Research output: Contribution to journalArticle

Pulse position modulation
Code division multiple access
Optical communication
Demodulation
Fiber optic networks