- Journal
Z.-K. Shao, K. Gao, G.-J. Hahm, K.-Y. Cheon, H. Kwon, S. Park, C. Zhou, Z. Zheng, and S.-W. Jeon, “Multi-RAT enabled edge computing for URLLC and eMBB services: Cooperative evolutionary computation approach,” to appear in IEEE Transactions on Wireless Communications.
Y. Bai, P.-F. Sun, W.-J. Yu, J.-H. Zhong, S.-W. Jeon, S. Kwong, and J. Zhang, “UAV path planning for data collection from wireless sensor network with matrix-based evolutionarycomputation,” to apprear in IEEE Transactions on Intelligent Transportation Systems.
G. Yang, F.-F. Wei, X.-M. Hu, S.-W. Jeon, J. Zhang, and W.-N. Chen, “An Asynchronous Distributed Cooperative Co-evolutionary Algorithm for Multilayer Influence Maximization,” to appear in IEEE Transactions on Computational Social Systems.
S. Chae and S.-W. Jeon, “Reconfigurable intelligent surface aided integer forcing MIMO,” IEEE Transactions on Wireless Communications, vol. 24, no. 7, pp. 6336–6350, Aug. 2025.
D. Zhang, Y. Wang, Y. Wu, X. He, S.-W. Jeon, Y. Sun, Y. Jiang, and Z. Zheng, “Multifrequency integration and scale-frequency linear attention for aerial tracking,” IEEE Transactions on Instrumentation and Measurement, vol. 74, pp. 5041113, Jul. 2025.
Y. Wang, B. Fu, N. U. Saqib, G.-J. Hahm, K.-Y. Cheon, H. Kwon, S. Park, and S.-W. Jeon, “Resource management for URLLC–eMBB coexistence in sub-band full-duplex systems,” IEEE Access, , vol. 13, pp. 126700–126717, Jul. 2025.
L. Chen, W. Liu, H. Wang, S.-W. Jeon, Y. Jiang, and Z. Zheng, “Consistency-guided adaptive alternating training for semi-supervised salient object detection,” IEEE Transactions on Circuits and Systems for Video Technology, vol. 35, no. 7, pp. 7033–7046, Jul. 2025.
K. Gao, J. Song, C. Zhou, Z. Zheng, and S.-W. Jeon, “Task offloading and scheduling under hard deadlines in vehicular edge computing systems,” IEEE Transactions on Vehicular Technology, vol. 74, no. 6, pp. 10029–10034, Jun. 2025.
R. Li, D. Zhang, Y. Wang, Y. Jiang, Z. Zheng, S.-W. Jeon, and H. Wang, “Open-vocabulary multi-object tracking with domain generalized and temporally adaptive features,” IEEE Transactions on Multimedia, vol. 27, pp. 3009–3022, Apr. 2025.
J. Song and S.-W. Jeon, “Optimal batch allocation for wireless federated learning,” IEEE Internet of Things Journal, vol. 12, no. 8. pp. 10524–10538, Apr. 2025.
H. Xie, S.-W. Jeon, and H. Jin, “Distributed real-time control for minimizing AoI in random access networks,” IEEE Internet of Things Journal, vol. 12, no. 8. pp. 10524–10538, Apr. 2025.
M. A. M Elhassan, C. Zhou, D. Zhu, A. B. M. Adam, A. Benabid, A. Khan, A. Mehmood, J. Zhang, J. Hu, and S.-W. Jeon, “CSNet: Cross-stage subtraction network for real-time semantic segmentation in autonomous driving,” IEEE Transactions on Intelligent Transportation Systems, vol. 26, no. 3. pp. 4093–4108, Mar. 2025.
J. Tang, X.-M. Hu, S.-W. Jeon, and W.-N. Chen, “Light-YOLO: A lightweight detection algorithm based on multi-scale feature enhancement for infrared small ship target,” Complex & Intelligent Systems, vol. 11, no. 2. pp. 1–12, Jan. 2025.
F.-F. Wei, W.-N. Chen, X.-Q. Guo, B. Zhao, S.-W. Jeon, and J. Zhang, “CrowdEC: Crowdsourcing-based Evolutionary Computation for distributed optimization,” IEEE Transactions on Services Computing, vol. 17, no. 6. pp. 3286–3299, Nov./Dec. 2024.
Q. Yang, J.-W. Ji, X. Lin, X.-M. Hu, X.-D. Gao, P.-L. Xu, H. Zhao, Z.-Y. Lu, S.-W. Jeon, and J. Zhang, “Bi-directional ensemble differential evolution for global optimization,” Expert Systems with Applications, vol. 252, pp. 1–19, Oct. 2024.
N. U. Saqib, S. Hou, S. H. Chae, and S.-W. Jeon, “Reconfigurable intelligent surface aided hybrid beamforming: Optimal placement and beamforming design,” IEEE Transactions on Wireless Communications, vol. 23, no. 9, pp. 12003–12019, Sep. 2024.
P.-F. Sun, J.-Y. Li, M.-Y. Li, Z.-Y. Gao, H. Jin, S.-W. Jeon, and J. Zhang, “Tour multi-route planning with matrix-based differential evolution,” IEEE Transactions on Intelligent Transportation Systems, vol. 25, no. 9, pp. 11753–11767, Sep. 2024.
Q. Yang, G.-W. Song, W.-N. Chen, Y.-H. Jia, X.-D. Gao, Z.-Y. Lu, S.-W. Jeon, and J. Zhang, “Random contrastive interaction for particle swarm optimization in high-dimensional environment,” IEEE Transactions on Evolutionary Computation, vol. 28, no. 4, pp. 933–949, Aug. 2024.
X.-X. Xu, J.-Y. Li, X.-F. Liu, X.-Q. Ding, S.-W. Jeon, and Z.-H. Zhan, “A co-evolutionary multi-population evolutionary algorithm for dynamic multi objective optimization,” Swarm and Evolutionary Computation, vol. 89, pp. 1–15, Aug. 2024.
M. Sohaib, S.-W. Jeon, and W. Yu, “Hybrid online–offline learning for task offloading in mobile edge computing systems,” IEEE Transactions on Wireless Communications, vol. 23, no. 7, pp. 6873–6888, Jul. 2024.
S. H. Chae and S.-W. Jeon, “Rate splitting for multi-user downlink cellular networks with hybrid beamforming,” IEEE Transactions on Communications, vol. 72, no. 6, pp. 3338–3351, Jun. 2024.
M. Kang and S.-W. Jeon, “Energy-efficient data aggregation and collection for multi-UAV-enabled IoT networks,” IEEE Wireless Communications Letters, vol. 13, no. 4, pp. 1004–1008, Apr. 2024.
C. Wang, B. Sun, J.-Y. Li, K.-J. Du, Z.-H. Zhan, S.-W. Jeon, H. Wang, and J. Zhang, “A novel evolutionary algorithm with column and sub-block local search for Sudoku puzzles,” IEEE Transactions on Games, vol. 16, no. 1, pp. 162–172, Mar. 2024.
Q. Yang, Z.-Y. Qiao, P. Xu, X. Lin, X.-D. Gao, Z.-J. Wang, Z.-Y. Lu, S.-W. Jeon, and J. Zhang, “Triple competitive differential evolution for global numerical optimization,” Swarm and Evolutionary Computation, vol. 84, pp. 1–19, Feb. 2024.
Z.-X. Zhang, W.-N. Chen, W. Shi, S.-W. Jeon, and J. Zhang, “An individual evolutionary game model guided by global evolutionary optimization for vehicle energy station distribution,” IEEE Transactions on Computational Social Systems, vol. 11, no. 1, pp. 1289–1301, Feb. 2024.
M. S. Haroon, S. H. Chae, and S.-W. Jeon, “Outage analysis for multi-radio heterogeneous networks in the presence of aerial jammers,” ICT Express, vol. 9, no. 6, pp. 1026–1031, Dec. 2023.
N. U. Saqib, M. S. Haroon, H. Y. Lee, K. H. Park, H.-G. Song, and S.-W. Jeon, “THz Communications: A Key Enabler for Future Cellular Networks,” IEEE Access, vol. 11, pp. 117474–117493, Nov. 2023.
S.-W. Jeon and H. Jin, “Online estimation and adaptation for random access with successive interference cancellation,” IEEE Transactions on Mobile Computing, vol. 22, no. 9, pp. 5418–5433, Sep. 2023.
E. Zhang, Z. Nie, Q. Yang, Y. Wang, D. Liu, S.-W. Jeon, and J. Zhang, “Heterogeneous cognitive learning particle swarm optimization for large-scale optimization problems,” Information Sciences, vol. 663, pp. 321–342, Jul. 2023.
F.-F. Wei, W.-N. Chen, Q. Li, S.-W. Jeon, and J. Zhang, “Distributed and expensive evolutionary constrained optimization with on-demand evaluation,” IEEE Transactions on Evolutionary Computation, vol. 27, no. 3, pp. 671–685, Jun. 2023.
Z.-J. Wang, Z.-H. Zhan, Y. Li, S. Kwong, S.-W. Jeon, and J. Zhang, “Fitness and distance based local search with adaptive differential evolution for multimodal optimization problems,” IEEE Transactions on Emerging Topics in Computational Intelligence, vol. 7, no. 3, pp. 684–699, Jun. 2023.
J.-Q. Yang, Q.-T. Yang, K.-J. Du, C.-H. Chen, H. Wang, S.-W. Jeon, J. Zhang, and Z.-H. Zhan, “Bi-directional feature fixation-based particle swarm optimization for large-scale feature selection,” IEEE Transactions on Big Data, vol. 9, no. 3, pp. 1004–1017, Jun. 2023.
W. Zhou, X. Xiao, Y.-J. Gong, J. Chen, J. Fang, N. Tan, N. Ma, Q. Li, C. Hua, S.-W. Jeon, and J. Zhang, “Travel time distribution estimation by learning representations over temporal attributed graphs,” IEEE Transactions on Intelligent Transportation Systems, vol. 24, no. 5, pp. 5069–5081, May 2023.
D. Liu, H. He, Q. Yang, Y. Wang, S.-W. Jeon, and J. Zhang, “Function value ranking aware differential evolution for global numerical optimization,” Swarm and Evolutionary Computation, vol. 78, pp. 1–20, Apr. 2023.
J. Zhang, D. Chen, Q. Yang, Y. Wang, D. Liu, S.-W. Jeon, and J. Zhang, “Proximity ranking-based multimodal differential evolution,” Swarm and Evolutionary Computation, vol. 78, pp. 1–21, Apr. 2023.
Y.-J. Gong, T. Huang, Y.-N. Ma, S.-W. Jeon, and J. Zhang, “MTrajPlanner: A multiple-trajectory planning algorithm for autonomous underwater vehicles,” IEEE Transactions on Intelligent Transportation Systems, vol. 24, no. 4, pp. 3714–3727, Apr. 2023.
Q. Yang, G.-W. Song, X.-D. Gao, Z.-Y. Lu, S.-W. Jeon, and J. Zhang, “A random elite ensemble learning swarm optimizer for high-dimensional optimization,” Complex & Intelligent Systems, pp. 1–34, Mar. 2023.
Y. Song, S. H. Lim, and S.-W. Jeon, “Handover decision making for dense hetnets: A reinforcement learning approach,” IEEE Access, vol. 11, pp. 24737–24751, Mar. 2023.
S.-C. Liu, Z.-G. Chen, Z.-H. Zhan, S.-W. Jeon, S. Kwong, and J. Zhang, “Many-objective job-shop scheduling: A multiple populations for multiple objectives-based genetic algorithm approach,” IEEE Transactions on Cybernetics, vol. 53, no. 3, pp. 1460–1474, Mar. 2023.
S. H. Chae and S.-W. Jeon, “Integer forcing interference management for the MIMO interference channel,” IEEE Transactions on Wireless Communications, vol. 22, no. 2, pp. 1101–1115, Feb. 2023.
C. Wang, R. Zhu, Y. Jiang, W. Liu, S.-W. Jeon, L. Sun, and H. Wang, “A scheme library-based ant colony optimization with 2-opt local search for dynamic traveling salesman problem,” Computer Modeling in Engineering & Sciences, vol. 135, no. 2, pp. 1209–1228, Feb. 2023.
L.-J. Wu, Z.-G. Chen, C.-H. Chen, Y. Li, S.-W. Jeon, J. Zhang, and Z.-H. Zhan, “Real environment-aware multisource data-associated cold chain logistics scheduling: A multiple population-based multiobjective ant colony system approach,” IEEE Transactions on Intelligent Transportation Systems, vol. 23, no. 12, pp. 23613–23627, Dec. 2022.
M. Sohaib, J. Jeong, and S.-W. Jeon, “Dynamic multichannel access via multi-agent reinforcement learning: Throughput and fairness guarantees,” IEEE Transactions on Wireless Communications, vol. 21, no. 6, pp. 3994–4008, Jun. 2022.
Q. Yang, Y. Jing, X. Gao, D. Xu, Z. Lu, S.-W. Jeon, and J. Zhang, “Predominant cognitive learning particle swarm optimization for global numerical optimization,” Mathematics, vol. 10, no. 10, pp. 1–35, May 2022.
S. H. Lim, J. Han, W. Noh, Y. Song, and S.-W. Jeon, “Hybrid neural coded modulation: Design and training methods,” ICT Express, vol. 8, no. 1, pp. 25–30, Mar. 2022.
Q. Yang, Y.-W. Bian, X.-D. Gao, D.-D. Xu, Z.-Y. Lu, S.-W. Jeon, and J. Zhang, “Stochastic triad topology based particle swarm optimization for global numerical optimization,” Mathematics, vol. 10, no. 7, pp. 1–39, Mar. 2022.
Q. Yang, K.-X. Zhang, X.-D. Gao, D.-D. Xu, Z.-Y. Lu, S.-W. Jeon, and J. Zhang, “A dimension group-based comprehensive elite learning swarm optimizer for large-scale optimization,” Mathematics, vol. 10, no. 7, pp. 1–32, Mar. 2022.
Q. Yang, L. Hua, X. Gao, D. Xu, Z. Lu, S.-W. Jeon, and J. Zhang, “Stochastic cognitive dominance leading particle swarm optimization for multimodal problems,” Mathematics, vol. 10, no. 5, pp. 1–38, Feb. 2022.
Q. Yang, Y. Li, X.-D. Gao, Y.-Y. Ma, Z.-Y. Lu, S.-W. Jeon, and J. Zhang, “An adaptive covariance scaling estimation of distribution algorithm,” Mathematics, vol. 9, no. 24, pp. 1–38, Dec. 2021.
Y. Song, S. H. Lim, S.-W. Jeon, and S. Baek, “On cooperative achievable rates of UAV assisted cellular networks,” IEEE Transactions on Vehicular Technology, vol. 69, no. 9, pp. 9882–9895, Sep. 2020.
M. H. Yang, S.-W. Jeon, and D. K. Kim, “Optimal trajectory for curvature-constrained UAV mobile base stations,” IEEE Wireless Communications Letters, vol. 9, no. 7, pp. 1056–1059, Jul. 2020.
S.-W. Jeon and S. H. Chae, “Two-stage interference cancellation for device-to-device caching networks,” Sensors, vol. 20, no. 3, Jan. 2020.
H.-G. Song, S. H. Chae, W.-Y. Shin, and S.-W. Jeon, “Predictive caching via learning temporal distribution of content requests,” IEEE Communications Letters, vol. 23, no. 12, pp. 2335–2339, Dec. 2019.
S. H. Chae, S.-W. Jeon, and S.-K. Ahn, “Spatially modulated integer-forcing transceivers with practical binary codes,” IEEE Transactions on Wireless Communications, vol. 12, no. 12, pp. 5542–5556, Dec. 2019.
S.-W. Jeon, B. C. Jung, H. Lee, and J. Park, “Interference coordination for heterogeneous users in asynchronous fog radio access networks,” IEEE Wireless Communications Letters, vol. 8, no. 4, pp. 1064–1068, Aug. 2019.
S. H. Chae, S.-W. Jeon, and C. Jeong, “Efficient resource allocation for IoT cellular networks in the presence of inter-band interference,” IEEE Transactions on Communications, vol. 67, no. 6, pp. 4299–4308, Jun. 2019.
T.-A. Do, S.-W. Jeon, and W.-Y. Shin, “How to cache in mobile hybrid IoT networks?,” IEEE Access, vol. 7, pp. 27814–27828, Mar. 2019.
H.-S. Cha, S.-W. Jeon, and D. K. Kim, “Blind interference alignment for the K-user MISO BC under limited symbol extension,” IEEE Transactions on Signal Processing, vol. 66, no. 11, pp. 2861–2875, Jun. 2018.
M. Yang, S.-W. Jeon, and D. K. Kim, “Interference management for in-band full-duplex vehicular access networks,” IEEE Transactions on Vehicular Technology, vol. 67, no. 2, pp. 1820–1824, Feb. 2018.
S. H. Chae, S. H. Lim, and S.-W. Jeon, “Degrees of freedom of full-duplex multiantenna cellular networks,” IEEE Transactions on Wireless Communications, vol. 17, no. 2, pp. 982–995, Feb. 2018.
D. K. P. Asiedu, S. Mahama, S.-W. Jeon, and K.-J. Lee, “Optimal power splitting for simultaneous wireless information and power transfer in amplify-and-forward multiple-relay systems,” IEEE Access, vol. 6, pp. 3459–3468, Jan. 2018.
S.-W. Jeon and B. C. Jung, “Adaptive analog function computation via fading multiple-access channels,” IEEE Communications Letters, vol. 22, no. 1, pp. 213–216, Jan. 2018.
J. Yoon, W.-Y. Shin, and S.-W. Jeon, “Elastic routing in wireless ad hoc networks with directional antennas,” IEEE Transactions on Mobile Computing, vol. 16, no. 12, pp. 3334–3346, Dec. 2017.
S. H. Chae and S.-W. Jeon, “Two-stage interference management for multicell multi-antenna cellular downlink systems,” IEEE Communications Letters, vol. 21, no. 8, pp. 1807–1810, Aug. 2017.
S.-W. Jeon, K. Kim, J. Yang, and D. K. Kim, “The feasibility of interference alignment for MIMO interfering broadcast-multiple-access channels,” IEEE Transactions on Wireless Communications, vol. 16, no. 7, pp. 4614–4625, Jul. 2017.
M. Yang, S.-W. Jeon, and D. K. Kim, “Degrees of freedom of full-duplex cellular networks with reconfigurable antennas at base station,” IEEE Transactions on Wireless Communications, vol. 16, no. 4, pp. 2314–2326, Apr. 2017.
S.-H. Lee, B. C. Jung, and S.-W. Jeon, “Successive interference cancellation with feedback for random access networks,” IEEE Communications Letters, vol. 21, no. 4, pp. 825–828, Apr. 2017.
S.-W. Jeon, S.-N. Hong, M. Ji, G. Caire, and A. Molisch, “Wireless multihop device-to-device caching networks,” IEEE Transactions on Information Theory, vol. 63, no. 3, pp. 1662–1676, Mar. 2017.
M. Yang, S.-W. Jeon, and D. K. Kim, “Linear degrees of freedom of MIMO broadcast channels with reconfigurable antennas in the absence of CSIT,” IEEE Transactions on Information Theory, vol. 63, no. 1, pp. 320–335, Jan. 2017.
S. H. Chae, S.-W. Jeon, and S. H. Lim, “Fundamental limits of spectrum sharing full-duplex multicell networks,” IEEE Journal on Selected Areas in Communications, vol. 34, no. 11, pp. 3048–3061, Nov. 2016.
S.-W. Jeon, S. Choi, J. Kim, and W.-Y. Shin, “Cellular-aided device-to-device communication: The benefit of physical layer network coding,” IEEE Communications Letters, vol. 20, no. 11, pp. 2324–2327, Nov. 2016.
S.-W. Jeon and C. Suh, “Degrees of freedom of uplink–downlink multiantenna cellular networks,” IEEE Transactions on Information Theory, vol. 62, no. 8, pp. 4589–4603, Aug. 2016.
S.-W. Jeon and B. C. Jung, “Opportunistic function computation for wireless sensor networks,” IEEE Transactions on Wireless Communications, vol. 15, no. 6, pp. 4045–4059, Jun. 2016.
V. V. Mai, J. Kim, S.-W. Jeon, S. W. Choi, B. Seo, and W.-Y. Shin, “Degrees of freedom of millimeter wave full-duplex systems with partial CSIT,” IEEE Communications Letters, vol. 20, no. 5, pp. 1042–1045, May 2016.
H. Jin, S.-W. Jeon, and B. C. Jung, “Opportunistic interference alignment for random access networks,” IEEE Transactions on Vehicular Technology, vol. 64, no. 12, pp. 5947–5954, Dec. 2015.
S.-W. Jeon, S. H. Lim, and B. C. Jung, “Opportunistic noisy network coding for fading relay networks without CSIT,” IEEE Transactions on Wireless Communications, vol. 14, no. 11, pp. 6097–6110, Nov. 2015.
K. Kim, S.-W. Jeon, and D. K. Kim, “The feasibility of interference alignment for full-duplex MIMO cellular networks,” IEEE Communications Letters, vol. 19, no. 9, pp. 1500–1503, Sep. 2015.
J. Jang, S.-W. Jeon, H. Chae, H.-S. Cha, and D. K. Kim, “Low complexity zero-forcing precoder design under per-antenna power constraints,” IEEE Communications Letters, vol. 19, no. 9, pp. 1556–1559, Sep. 2015.
C.-Y. Wang, S.-W. Jeon, and M. Gastpar, “Interactive computation of type-threshold functions in collocated Gaussian networks,” IEEE Transactions on Information Theory, vol. 61, no. 9, pp. 4765–4775, Sep. 2015.
S.-W. Jeon and M. Gastpar, “Capacity scaling of cognitive networks: Beyond interference-limited communication,” IEEE Transactions on Information Theory, vol. 60, no. 12, pp. 7824–7840, Dec. 2014.
S.-W. Jeon, C.-Y. Wang, and M. Gastpar, “Computation over Gaussian networks with orthogonal components,” IEEE Transactions on Information Theory, vol. 60, no. 12, pp. 7841–7861, Dec. 2014.
S.-W. Jeon, K. Jung, and H. Chang, “Fully distributed algorithms for minimum delay routing under heavy traffic,” IEEE Transactions on Mobile Computing, vol. 13, no. 5, pp. 1048–1060, May 2014.
S.-W. Jeon, C.-Y. Wang, and M. Gastpar, “Approximate ergodic capacity of fading two-user two-hop networks,” IEEE Transactions on Information Theory, vol. 60, no. 2, pp. 866–880, Feb. 2014.
S.-W. Jeon and S.-Y. Chung, “Capacity of a class of linear binary field multisource relay networks,” IEEE Transactions on Information Theory, vol. 59, no. 10, pp. 6405–6420, Oct. 2013.
S.-W. Jeon and S.-Y. Chung, “Capacity scaling of single-source multiantenna wireless networks without CSIT,” IEEE Transactions on Information Theory, vol. 58, no. 11, pp. 6870–6878, Nov. 2012.
S.-W. Jeon and M. Gastpar, “A survey on interference networks: Interference alignment and neutralization,” Entropy, Special Issue on Information Theory Applied to Communications and Networking, vol. 14, no. 10, pp. 1842–1863, Sep. 2012. (Invited Paper)
T. Gou, S. A. Jafar, C. Wang, S.-W. Jeon, and S.-Y. Chung, “Aligned interference neutralization and the degrees of freedom of the 2 × 2 × 2 interference channel,” IEEE Transactions on Information Theory, vol. 58, no. 7, pp. 4381–4395, Jul. 2012.
S. Chae, S.-W. Jeon, and S.-Y. Chung, “Cooperative relaying for the rank-deficient MIMO relay interference channel,” IEEE Communications Letters, vol. 16, no. 1, pp. 9–11, Jan. 2012.
W.-Y. Shin, S.-W. Jeon, N. Devroye, M. Vu, S.-Y. Chung, Y. Lee, and V. Tarokh, “Improved capacity scaling in wireless networks with infrastructure,” IEEE Transactions on Information Theory, vol. 57, no. 7, pp. 5088–5102, Aug. 2011.
S.-W. Jeon, N. Devroye, M. Vu, S.-Y. Chung, and V. Tarokh, “Cognitive networks achieve throughput scaling of a homogeneous network,” IEEE Transactions on Information Theory, vol. 57, no. 8, pp. 5103–5115, Aug. 2011.
S.-W. Jeon, S.-Y. Chung, and S. A. Jafar, “Degrees of freedom region of a class of multisource Gaussian relay networks,” IEEE Transactions on Information Theory, Special Issue on Interference Networks, vol. 57, no. 5, pp. 3032–3044, May 2011.
D.-W. Seo, S.-W. Jeon, S.-Y. Chung, and J. Kim, “Rate enhancement for the Gaussian Z-interference channel with transmitter cooperation,” IEEE Communications Letters, vol. 14, no. 9, pp. 821–823, Sep. 2010.