Publications

 Journal Papers (Selected)

• Jooho Wang, Sanghun Lee, Sungkyung Park, and Chester Sungchung Park, Optimization of scatter-gather DMAC for CNN accelerators, IEEE Access, under revision.

• Sunwoo Kim, Jooho Wang, Sungkyung Park, and Chester Sungchung Park, A SystemC TLM virtual platform for DMA-based CNN accelerators, IEEE Trans. Computer-Aided Design, under revision.

• Chester Sungchung Park and Sungkyung Park, CNN Accelerator Performance Dependence on Loop Tiling and the Optimum Resource-Constrained Loop Tiling, IEEE Access, Vo. 13,Jan. 2025, pp. 16800-16810.

• Sunwoo Kim, Sungkyung Park, and Chester Sungchung Park, Optimization of scatter network architectures and bank allocations for sparse CNN accelerators, IEEE Access, Vo. 10, Aug. 2022, pp. 85864-85879.

• Jooho Wang, Yunkyu Gim, Sungkyung Park, and Chester Sungchung Park, Modeling and simulation of system bus and memory collision in heterogeneous SoCs, IEEE Access, Vol. 10, Feb., 2022, pp. 25901-25921.

• Sunwoo Kim, Youngho Seo, Sungkyung Park, and Chester Sungchung Park, Optimization of multi-core accelerator performance based on accurate performance estimation, IEEE Access, Vol. 10, Feb., 2022, pp. 19629-19642.

• Jooho Wang, Sungkyung Park, and Chester Sungchung Park, Spatial data dependence graph based pre-RTL simulator for convolutional neural network dataflows, IEEE Access, Vol. 10, Feb., 2022, pp. 11382 - 11403.

• Jooho Wang, Sungkyung Park, and Chester Sungchung Park, Optimization of communication schemes for DMA-controlled accelerators, IEEE Access, Vol. 9, Oct., 2021, pp. 139228-139247.

• Sunwoo Kim, Sungkyung Park, and Chester Sungchung Park, System-level communication performance estimation for DMA-controlled accelerators, IEEE Access, Vol. 9, Oct. 2021, pp. 141389-141402.

• Chester Sun gchung Park, Yunkyu Gim, Jeongpil Park, and Sungkyung Park, Design and implementation of a digital front-end with digital compensation for low-complexity 4G radio transceivers, IEEE Access, Vol. 9, Aug. 2021, pp. 111432-111455.

• Chester Sungchung Park, Sunwoo Kim, Jooho Wang and Sungkyung Park, Design and implementation of a Farrow-interpolator-based digital front-end in LTE receivers for carrier aggregation, Electronics, Vol. 10, 2021, No. 3:231.

• Chester Sungchung Park and Sungkyung Park, "Implementation of a fast link rate adaptation algorithm for WLAN systems", Electronics Vol. 10, 2020, No. 1: 91.

• Chan Park, Sungkyung Park, and Chester Sungchung Park, "Roofline-model-based design space exploration for dataflow techniques of CNN accelerators", IEEE Access, Vol.  8, Sept., 2020, pp. 172509-172523.

• Sunwoo Kim, Jooho Wang, Youngho Seo, Sanghun Lee, Yeji Park, Sungkyung Park, and Chester Sungchung Park, "Transaction-level model simulator for communication-limited accelerators", arXiv preprint arXiv:2007.14897.

• Chester Sungchung Park and Sungkyung Park, "CSD-based CORDIC algorithm and its VLSI implementation", IEICE Electronics Express, Vol. 13, No. 11, June 2016, pp. 20160393.

• Chester Sungchung Park and Sungkyung Park, "Impact of power amplifier configuration on LTE carrier aggregation performance", IEICE Electronics Express, Vol. 13, No. 10, Mar. 2016, pp. 20160183.

• Chester Sungchung Park and Sungkyung Park, "Analysis of RSRP measurement accuracy", IEEE Communications Letters, Vol. 20, No. 3, Mar. 2016, pp. 430-433.

• Chester Sungchung Park and Jintae Kim, "Optimum antenna combining in the presence of TX leakage", IEE Electronics Letters, Vol. 50, No. 3, pp. 223-225, Jan. 2014.

• Chester Sungchung Park, Lars Sundström, Anders Wallen and Ali Khayrallah, “Carrier aggregation for LTE-Advanced: design challenges of terminals”, IEEE Communications Magazine, Vol. 12, No. 12, pp. 76-84, Dec.2013 (top-3% journal, over 70 citations).

• Chester Sungchung Park, “Dependence of power amplifer backoff on resource allocation for noncontiguous carrier aggregation”, IEE Electronics Letters, Vol. 49, No. 15, pp. 962-964, July 2013.

• Chester Sungchung Park and Fitzgerald Sungkyung Park, “Digital compensation of IQ imbalance for\dual-carrier double conversion receiver,” IEICE Trans. on Commun., Vol. E95-B, No. 5, pp. 1612-1619,May 2012.

• Chester Sungchung Park and Fitzgerald Sungkyung Park, “On soft decision value calculation for linear dispersion codes with SC-FDMA,” IEEE Trans. on Wireless Commun., Vol. 10, No. 5, pp. 1378-1382,May 2011.

• Chester Sungchung Park, Y. -P. Eric Wang, George Jöngren and David Hammarwall, “Evolution of uplink MIMO for LTE-Advanced,” IEEE Communications Magazine, Vol. 49, No. 2, pp. 112-121, Feb.2011 (top-3% journal, over 80 citations).

• Daesik Park, Chester Sungchung Park and Kwyro Lee, “Simple design of detector in the presence offrequency offset for IEEE 802.15.4 LR-WPANs,” IEEE Trans. on Circuits and Systems-II, Vol. 56, No.4, pp. 330-334, Apr. 2009.

• Chester Sungchung Park, Keshab K. Parhi and Sin-Chong Park, “Probabilistic spherical detection and VLSI implementation for multiple-antenna systems,” IEEE Trans. on Circuits and Systems-I, Vol. 56,No. 3, pp. 685-698, Mar. 2009.

• Sungchung Park, Kwyro Lee and Sin-Chong Park, “Cut-off rate of multiple antenna systems over frequency-flat, fast fading channels,” IEICE Trans. on Commun., Vol. E89-B, No. 4, pp. 1440-1442, Apr.2006.

• Sungchung Park, Daesik Park, Hyungchul Park and Kwyro Lee, “Low-complexity frequency-offset insensitive detection for orthogonal modulation,” IEE Electronics Letters, Vol. 41, No. 22, pp. 1226-1228, Oct. 2005.

• Kwyro Lee, Ilku Nam, Ickjin Kwon, Junho Gil, Kwangseok Han, Sungchung Park and Boik Seo, “The impact of semiconductor technology scaling on CMOS RF and digital circuits for wireless application,”IEEE Trans. on Electron Devices, Vol. 52, No. 7, pp. 1415-1422, July 2005.6.

• Pilsoon Choi, Hyungchul Park, Sohyeong Kim, Sungchung Park, Ilku Nam, Taewook Kim, Seokjong Park,Sangho Shin, Myungsoo Kim, Kyucheol Kang, Yeonwo Ku, Hyokjae Choi, Sook Min Park and Kwyro Lee,“An experimental coin-sized radio for extremely low power WPAN (IEEE802.15.4) application at 2.4GHz,” IEEE Journal of Solid-State Circuits, Vol. 38, No. 12, pp. 2258-2268, Dec. 2003.

• Sungchung Park, Sin-Chong Park and Kwyro Lee, “Performance evaluation for GMSK DS/SSMA systems based on a closed-form expression for output SNR,” IEE Electronics Letters, Vol. 38, No. 12,pp. 599-600, June 2002.

 Conference Papers (Selected)

• Shinyoung Kim, Junsu Heo, Heyseong Shin, Jaesuk Lee, Fitzerald Sungkyung Park and Chester Sungchung Park, "NetTLM-DSE: Design Space Exploration for DNN Layer-Pipeline Spatial Mappings", under revision.

• Junsu Heo, Shinyoung Kim, Fitzgerald Sungkyung Park and Chester Sungchung Park, "Coarse-Grained ASIP Design for MIMO Sphere Decoding", IEEE Workshop on Signal Processing Systems (SiPS), Nov. 2025.

• Fitzgerald Sungkyung Park and Chester Sungchung Park, "Pre-RTL Simulation Based Design Space Exploration for Multi-Chiplet Dataflows", invited talk at HiPChips (co-loated with MICRO), Nov. 2024.

• Junsu Heo, Shinyoung Kim, Sungkyung Park and Chester Sungchung Park, "FlexSD: Coarse-Grained ASIP for MIMO Sphere Decoding",  Synopsys ASIP University Day 2024.

• Uyong Lee, Yeji Park, Junsu Heo, Sungkyung Park and Chester Sungchung Park, "Design Space Exploration of FFT Accelerators for IEEE 802.11ax Using High-Level Synthesis", IEEE Application-specific Systems, Architectures and Processors (ASAP), Hongkong, July 2024. 

• Jooho Wang, Sunwoo Kim, Junsu Heo and Chester Sungchung Park, "eF2lowSim: System-Level Simulator of eFlash-Based Compute-in-Memory Accelerators for Convolutional Neural Networks", Design, Automation and Test in Europe Conference & Exhibition (DATE), April 2023.

• Youngho Seo, Sanghun Lee, Sunwoo Kim, Jooho Wang, Sungkyung Park, Chester Sungchung Park, "Latency-insensitive controller for convolutional neural network accelerators", Intl. SoC Design Conf. (ISOCC), Jeju, South Korea, Oct. 8, 2019. (JSC Award).

• Jooho Wang, Jiwon Kim, Sungmin Moon, Sunwoo Kim, Sungkyung Park and Chester Sungchung Park, "Spatial data dependence graph simulator for convolutional neural networks accelerators", IEEE Intl. Conf. on Artificial Intelligence Circuits and Systems (AICAS), Hsinchu, Taiwan, Mar. 2019.

• Sunwoo Kim, Chungman Lee, Haesung Park, Jooho Wang, Sungkyung Park and Chester Sungchung Park, "Optimizations of scatter network for sparse CNN accelerator", IEEE Intl. Conf. on Artificial Intelligence Circuits and Systems (AICAS), Hsinchu, Taiwan, Mar. 2019.

• Myungwoo Oh, Chaeeun Lee, Sanghun Lee, Youngho Seo, Sunwoo Kim, Jooho Wang and Chester Sungchung Park, "Convolutional neural network accelerator with reconfigurable dataflow", Intl. SoC Design Conf. (ISOCC), Daegu, South Korea, Nov. 13, 2018 (IEEE CASS Daegu Chapter Award).

• Sunwoo Kim, Jooho Wang, Yunkyu Kim, Fitzgerald Sungkyung Park and Chester Sungchung Park, “On-chip communication architectures for signal processing applications,” Intl. Summer School on Advanced Computer Architecture and Compilation for High-Performance and Embedded Systems (ACACES), Fiuggi, Italy, July 9-15, 2017.

• Fitzgerald Sungkyung Park and Chester Sungchung Park, “Low-end microprocessors for deeply embedded IoT applications and an SoC for WiFi MAC applications,” Intl. Summer School on Advanced Computer Architecture and Compilation for High-Performance and Embedded Systems (ACACES), Fiuggi, Italy, July 9-15, 2017.

• Douglas Adams, Chester Sungchung Park, Yonina Eldar and Boris Murmann, “Towards an integrated circuit design of a compressed sampling wireless receiver,” IEEE Intl. Conf. on Acoustics,Speech and Signal Processing (ICASSP), Paris, France, Mar. 25-30 2012.

• Chester Sungchung Park, “Impact of gain/phase variation on MIMO precoder selection for LTE UL", IEEE Veh. Tech. Conf. (VTC), Yokohama, Japan, May 6-9, 2012.

• Chester Sungchung Park, David Hammarwall and George Jongren, “MIMO layer shifting for LTEAdvanced uplink,” IEEE Veh. Tech. Conf. (VTC), Ottawa, Canada, Sep. 6-9, 2010.

• Sungchung Park, Yun-Young Kim, Jae-Ho Noh and Jun-Jin Kong, “CSI-aided demapping of dual-carrier modulation for multiband OFDM,” IEEE Intl. Symposium on Circuits and Systems (ISCAS), NewOrleans, LA, May 27-30, 2007.

• Sungchung Park, Kwyro Lee, Yuping Zhang, Keshab K. Parhi, Jin Lee, Sin-Chong Park, “Probabilisticlist sphere decoding for LDPC-coded MIMO-OFDM systems,” IEEE Intl. Conf. on Acoustics,Speech and Signal Processing (ICASSP), Toulouse, France, May 14-19, 2006 (Finalist of Student Paper Contest).

• Pilsoon Choi, Hyungchul Park, Ilku Nam, Kyucheol Kang, Yeonwoo Ku, Sangho Shin, Sungchung Park,Taewook Kim, Hyokjae Choi, Sohyeong Kim, Sook Min Park, Myungsoo Kim, Seokjong Park andKwyro Lee, “An experiemental coin-sized radio for extremely low power WPAN (IEEE802.15.4) application at 2.4GHz,” IEEE Intl. Solid-State Circuits Conf. (ISSCC), San Francisco, CA, Feb 9-13,2003.