High-accuracy automatic modulation classification model based on vision transformer Thien-Thanh Dao, Dae-Il Noh, Mikio Hasegawa, Hiroo Sekiya, and Won-Joo Hwang, IEEE Communications Letters, , vol.28, no.1, pp.98-102, Apr. 2024. [Abstract | pdf] a Universal Calibration Model for Multiple Low-Cost Air Monitoring Devices Anh Duy Nguyen, Thuy Dung Nguyen, Thu Hang Phung, Huy Hieu Pham, Kien Nguyen, Phi Le Nguyen Engineering Applications of Artificial Intelligence, vol.128, no.107591, Feb. 2024. [Abstract | pdf] QoE Provisioning System for VoIP and Video Streaming using Software-Defined Networking and IOTA Micropayment Jiayang Chen, Hideya Masaki, Kien Nguyen, Hiroo Sekiya IEICE Communications Express, vol.X12-B, no.12, Dec. 2023. [Abstract | pdf] Attentional Ensemble Model for Accurate Discharge and Water Level Prediction with Training Data Enhancement Anh Duy Nguyen, Viet Hung Vu, Duc Viet Hoang, Thuy Dung Nguyen, Kien Nguyen, Phi Le Nguyen, Yusheng Ji Engineering Applications of Artificial Intelligence, vol.126, no.Part D, Nov. 2023. [Abstract | pdf] An Accurate Platform for Investigating TCP Performance in Wi-Fi Networks Aoyagi, Shunji, Yuki Horie, Do Thi Thu Hien, Thanh Duc Ngo, Duy-Dinh Le, Kien Nguyen, and Hiroo Sekiya Future Internet, vol.15, no.7, p.246, July 2023. [Abstract | pdf] An Implementation and Evaluation of MPTCP-based IoT Router Taichi Tsuru, Mikio Hasegawa, Yozo Shoji, Kien Nguyen, Hiroo Sekiya Multimedia Tools and Applications (MTA), May 2023. [Abstract | pdf] Q-learning-based Distributed Multi-Charging Algorithm for Large-scale WRSNs Nguyen Thanh Long, Tran Thi Huong, Nguyen Ngoc Bao, Huynh Thi Thanh Binh, Phi Le Nguyen, Kien Nguyen IEICE Transaction on Nonlinear Theory and Its Applications (NOLTA), vol.14, no.1, pp.18-34, Jan. 2023. [Abstract | pdf] Fine-grained Quality of Service Provision with Micropayment in Wireless Networks Hideya Masaki, Kien Nguyen, Hiroo Sekiya IEICE Transaction on Nonlinear Theory and Its Applications (NOLTA), vol.14, no.1, pp.50-65, Jan. 2023. [Abstract | pdf] Accurate Discharge and Water Level Forecasting Using Ensemble Learning with Genetic Algorithm and Singular Spectrum Analysis-based Denoising Anh Duy Nguyen, Phi Le Nguyen, Viet Hung Vu, Quoc Viet Pham, Viet Huy Nguyen, Minh Hieu Nguyen, Thanh Hung Nguyen, Kien Nguyen Scientific Reports, Nov. 2022. [Abstract | pdf] On the Latency Performance in Private Blockchain Networks Chen Xuan, Kien Nguyen, Hiroo Sekiya IEEE IoT Journal, vol.9, no.Issue 19, pp.19246-19259, Oct. 2022. [Abstract | pdf] Implementation of P4-based Schedulers for Multipath Communications Hiroaki Motohashi, Phi Le Nguyen, Kien Nguyen, Hiroo Sekiya IEEE Access, vol.10, pp.76537-76546, Sept. 2022. [Abstract | pdf] On the Global Maximization of Network Lifetime in Wireless Rechargeable Sensor Networks La Van Quan, Minh Hieu Nguyen, Thanh Hung Nguyen, Kien Nguyen, Phi Le Nguyen ACM Transactions on Sensor Networks (TOSN), July 2022. [Abstract | pdf] Constant Approximation for Opportunistic Sensing in Mobile Air Quality Monitoring System Viet Dung Nguyen, Phi Le Nguyen, Kien Nguyen, Phan Thuan Do Computer Networks (COMNET), vol.202, p.108646, Jan. 2022. [Abstract | pdf] Joint Optimization of Charging Location and Time for Network Lifetime Extension in WRSNs Thuy Dung Nguyen, Tuyen Nguyen, Thanh Hung Nguyen, Kien Nguyen, Phi Le Nguyen IEEE Transactions on Green Communications and Networking (Early Access), pp.1-1, Dec. 2021. [Abstract | pdf] Empowering 5G Mobile Devices with Network Softwarization Kien Nguyen, Phi Le Nguyen, Zhetao Li, Hiroo Sekiya IEEE Transaction on Network and Service Management, vol.18, Issue 3, pp.2492-2501, Sept. 2021. [Abstract | pdf] QIH: An Efficient Q-Learning Inspired Hole-Bypassing Routing Protocol for WSNs Phi Le Nguyen, Nang Hung Nguyen, Khanh Le, Thanh-Hung Nguyen, Kien Nguyen IEEE Access, vol.9, pp.123414-123429, Aug. 2021. [Abstract | pdf] An On-demand Charging for Connected Target Coverage in WRSNs using Fuzzy Logic and Q-learning Phi Le Nguyen, La Van Quan, Anh Duy Nguyen, Thanh-Hung Nguyen, Kien Nguyen Sensors, vol.21, no.16: 5520, Aug. 2021. [Abstract | pdf] Implementation of Micropayment System Using IoT Devices Ryota Nakada, Kien Nguyen, Hiroo Sekiya Journal of Signal Processing, vol.25, no.4, pp.137-140, July 2021. [Abstract | pdf] Decentralizing Private Blockchain-IoT Network with OLSR Chen Xuan, Shujuan Tian, Kien Nguyen, Hiroo Sekiya Future Internet, vol.13, Issue 7:168, June 2021. [Abstract | pdf] PM2.5 Prediction Using Genetic Algorithm-based Feature Selection and Encoder-Decoder Model Minh Hieu Nguyen, Phi Le Nguyen, Kien Nguyen, Van An Le, Thanh-Hung Nguyen, Yusheng Ji IEEE Access, vol.9, pp.57338-57350, Apr. 2021. [Abstract | pdf] An Experimental Study on Performance of Private Blockchain in IoT Applications Chen Xuan, Kien Nguyen, Hiroo Sekiya Elsevier Peer-to-Peer Networking and Applications, Mar. 2021. [Abstract | pdf] Throughput and Delay Analysis of IEEE 802.11- Based Tree-Topology Networks Takeshi Kanematsu, Yin Wan, Kosuke Sanada, Zhetao Li, Tingrui Pei, Young -June Choi, Kien Nguyen, Hiroo Sekiya IEEE Open Journal of the Communications Society, Sept. 2020. [Abstract | pdf] Throughput and Delay Analysis for IEEE 802.11 Multi-hop Networks Considering Data Rate Takeshi Kanematsu, Kosuke Sanada, Zhetao Li, Tingrui Pei, Young-June Choi, Kien Nguyen, Hiroo Sekiya International Journal of Distributed Sensor Networks, Sept. 2020. [Abstract | pdf] AR-CNN: An Attention Ranking Network for Learning the Urban Perception Zhetao Li, Ziwen Chen, Wei-shi Zheng, Sangyoon Oh, Kien Nguyen Springer Science China Information Sciences, Aug. 2020. [Abstract | pdf] Analytical evaluation of a WLAN with dense network nodes considering capture effect Takeshi Kanematsu, Yuto Yoshida, Zhetao Li, Tingrui Pei, Young-June Choi, Kien Nguyen, and Hiroo Sekiya IEICE Transactions on Communications, vol.E103-B, no.7, July 2020. [Abstract | pdf] A novel light-weight subjective trust inference framework in MANETs Hui Xia, Zhetao Li, Yuhui Zheng, Anfeng Liu, Young-June Choi, and Hiroo Sekiya IEEE Transactions on Sustainable Computing, vol.5, no.2, pp.236-248, June 2020. [Abstract | pdf] An opportunistic directional MAC protocol with pulse/tone exchange in wireless ad-hoc networks Tetsuro Okazawa, Jing Ma, Nobuyoshi Komuro, Youngjune Choi, Zhetao Li, Tingrui Pei, Hiroo Sekiya Wireless Personal Communications, vol.111, pp.1187-1205, Mar. 2020. [Abstract | pdf] Throughput analysis of IEEE 802.11 WLANs with inter-network interference Jingwei Liu, Takumi Aoki, Zhetao Li, Tingrui Pei, Young-june Choi, Kien Nguyen, and Hiroo Sekiya Applied Sciences, vol.10, no.6, p.2192, Mar. 2020. [Abstract | pdf] TELPAC: A Time and Energy Efficient Protocol for Locating and Patching Coverage Holes in WSNs Phi Le Nguyen, Kien Nguyen, Huy Vu, Yusheng Ji Journal of Network and Computer Applications, Elsevier, vol.147, Dec. 2019. [Abstract | pdf] Enhancing multipath TCP initialization with SYN duplication Kien Nguyen, Mirza Golam Kibria, Kentaro Ishizu, and Fumihide Kojima IEICE Transactions on Communications, vol.E102-B, no.9, Sept. 2019. [Abstract | pdf] An Effective Metaheuristic for Multiple Traveling Repairman Problem with Distance Constraints Ha Bang Ban, Duc Nghia Nguyen, Kien Nguyen COMPUTING AND INFORMATICS, Aug. 2019. [Abstract | pdf] Joint User Association and Power Allocation for Millimeter- Wave Ultra-dense Networks Huy. T. Nguyen, H. Murakami, Kien Nguyen, K. Ishizu, F. Kojima, J.D. Kim, S.H. Chung, and W. J. Hwang Mobile Networks and Applications Journal , July 2019. [Abstract | pdf] Rigorous analytical model of saturated throughput for the IEEE 802.11p EDCA Shintaro Ikuma, Zhetao Li, Tingrui Pei, Young-June Choi, and Hiroo Sekiya IEICE Transactions on Communications, vol.E102-B, no.4, pp.699-707, Apr. 2019. [Abstract | pdf] Hybrid precoding for massive mmWave MIMO systems Xianru Liu, Xueming Li, Shu Cao, Qingyong Deng, Rong Ran, Kien Nguyen, and Tingrui Pei IEEE Access, vol.7, no.33577-33586, Mar. 2019. [Abstract | pdf] Performance evaluation of IEEE 802.11ad in evolving Wi-Fi networks Kien Nguyen, Mirza Golam Kibria, Kentaro Ishizu, and Fumihide Kojima Wireless Communications and Mobile Computing, vol.2019, Feb. 2019. [Abstract | pdf] An approach to reinforce multipath TCP with path-aware information Kien Nguyen, Mirza Golam Kibria, Kentaro Ishizu, Fumihide Kojima, and Hiroo Sekiya Special Issue: Green Wireless Networks in 5G-inspired Applications, Sensors 2019, no.3, Jan. 2019. [Abstract | pdf] Throughput and delay analysis of IEEE 802.11 string-topology multi-hop network in TCP traffic with delayed ACK Kosuke Sanada, Hiroo Sekiya, and Kazuo Mori IEICE Transactions on Communications, vol.E101-B, no.5, pp.1233-1245, May 2018. [Abstract | pdf] Generalized analytical expressions for end-to-end throughput of IEEE 802.11 string-topology multi-hop networks Kosuke Sanada, Nobuyoshi Komuro, Zhetao Li, Tingrui Pei, Young-June Choi, and Hiroo Sekiya Ad Hoc Networks, vol.7, no.1, pp.135-148, Mar. 2018. [Abstract | pdf] Bottom-up analysis concept for throughput and delay analyses of wireless network Kosuke Sanada and Hiroo Sekiya Nonlinear Theory and Its Applications, IEICE, vol.8, no.3, pp.181-203, July 2017. [Abstract | pdf] Distributed cooperative communication nodes control and optimization reliability for resource-constrained WSNs Xiao Liu, Anfeng Liu, Zhetao Li, Shujuan Tian, Young-june Choi, Hiroo Sekiya, and Jie Li Neurocomputing, June 2017. [Abstract | pdf] Context-aware collect data with energy efficient in cyber-physical cloud systems YuXin Liu, Anfeng Liu, Shuang Guo, Zhetao Li, Young-June Choi, and Hiroo Sekiya Future Generation Computer Systems, June 2017. [Abstract | pdf] A delay-aware congestion control protocol for wireless sensor networks Tingrui Pei, Fangqing Lei, Zhetao Li, Gengming Zhu, Xin Peng, Youngjune Choi, and Hiroo Sekiya Chinese Journal of Electronics, vol.26, no.3, pp.591-599, May 2017. [Abstract | pdf] APMD: A fast data transmission protocol with reliability guarantee for pervasive sensing data communication Yuxin Liua, Anfeng Liua, Yuxuan Li, Zhetao Li, Young-june Choi, Hiroo Sekiya, Jie Li Pervasive and Mobile Computing, Apr. 2017. [Abstract | pdf] Efficient thread mapping for heterogeneous multicore IoT systems Thomas Mezmur Birhanu, Zhetao Li, Hiroo Sekiya, Nobuyoshi Komuro, Young-June Choi Mobile Information Systems, 2017. [Abstract | pdf] Energy-efficient broadcasting scheme for smart industrial wireless sensor networks Zhuangbin Chen, Anfeng Liu, Zhetao Li, Young-June Choi, Hiroo Sekiya, Jie Li Mobile Information Systems, 2017. [Abstract | pdf] Throughput analysis of WLANs in saturation and non-saturation heterogeneous conditions with airtime concept Yin Wan, Kosuke Sanada, Nobuyoshi Komuro, Gen Motoyoshi, Norio Yamagaki, Shigeo Shioda, Shiro Sakata, Tutomu Murase, and Hiroo Sekiya IEICE Transactions on Communications, vol.E99-B, no.11, pp.2289-2296, Nov. 2016. [Abstract | pdf] Design and analysis of multi-channel MAC protocol with channel grouping in wireless ad-hoc networks Nobuyoshi Komuro, Ryo Manzoku, Kosuke Sanada, Jing Ma, Zhetao Li, Tingrui Pei, Youngjune Choi, Hiroo Sekiya IEICE Transactions on Communications, vol.E99-B, no.11, pp.2305-2314, Nov. 2016. [Abstract | pdf] Small-world model based route construction method for wireless sensor networks Nobuyoshi Komuro, Sho Motegi, Kosuke Sanada, Jing Ma, Zhetao Li, Tingrui Pei, Youngjune Choi, Hiroo Sekiya IEICE Transactions on Communications, vol.E99-B, no.11, pp.2315-2322, Nov. 2016. [Abstract | pdf] FFSC: An energy efficiency communications approach for delay minimizing in internet of things Yuxin Liu, Anfeng Liu, Yanling Hu, Zhetao Li, Young-June Choi, Hiroo Sekiya, and Jie Li IEEE Access, vol.4, pp.3775-3793, July 2016. [Abstract | pdf] A low latency, energy efficient MAC protocol for wireless sensor networks Zhe-tao Li, Qian Chen, Geng-ming Zhu, Young-june Choi, and Hiroo Sekiya International Journal of Distributed Sensor, Feb. 2016. [Abstract | pdf] A delay-aware congestion control protocol for wireless sensor networks Pei Tingrui, Lei Fangqing, Li Zhetao, Zhu Gengming, Peng Xin, Choi Youngjune, and Hiroo Sekiya Chinese Journal of Electronics, 2016. [Abstract | pdf] A trust-based model for security cooperating in vehicular cloud computing Zhipeng Tang, Anfeng Liu, Zhetao Li, Young-june Choi, Hiroo Sekiya, Jie Li Mobile Information Systems, 2016. [Abstract | pdf] A throughput aware with collision-free MAC for wireless LANs Tingrui Pei, Yafeng Deng, Zhetao Li, Gengming Zhu, Gaofeng Pan, Youngjune Choi, Hiroo Sekiya Science China Information Sciences, vol.59, no.2, pp.1-3, 2016. [Abstract | pdf] End-to-end delay analysis for IEEE 802.11 string-topology multi-hop networks Kosuke Sanada, Jin Shi, Nobuyoshi Komuro, and Hiroo Sekiya IEICE Transactions on Communications, vol.E98-B, no.7, pp.1284-1293, July 2015. [Abstract | pdf] End-to-end throughput analysis for IEEE 802.11e EDCA string-topology wireless multi-hop networks Yuta Shimoyamada, Kosuke Sanada, Nobuyoshi Komuro, and Hiroo Sekiya Nonlinear Theory and Its Applications, IEICE, vol.E6-N, no.3, pp.410-432, July 2015. [Abstract | pdf] A Control-channel Type Multi-channel MAC Protocol Applying Pulse/Tone Ex- change in Ad-hoc Network (in Japanese) Ryo MANZOKU, Hiroo SEKIYA, Jing MA, Kosuke SANADA, and Shiro SAKATA IEICE Transactions on Communications, vol.J97-B, no.4, pp.344-353, Apr. 2014. [Abstract | pdf] MAC protocol for ad hoc networks using smart antennas for mitigating hidden and deafness problems Jing Ma, Hiroo Sekiya, Atsushi Nagasaki, Nobuyoshi Komuro, Shiro Sakata IEICE Transactions on Communications, vol.E95-B, no.11, pp.3545-3555, Nov. 2012. [Abstract | pdf] MAC protocol for smart-antenna used ad hoc networks with RTS/CTS overhead reduction Jing Ma, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata Journal of Selected Areas in telecommunications (JSAT), pp.10-19, June 2012. [Abstract | pdf] Backoff-stage synchronization in three-hop string-topology wireless networks with hidden nodes Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata Nonlinear Theory and Its Applications, IEICE, vol.3, no.2, pp.200-214, Apr. 2012. [Abstract | pdf] Token generation rate based receiving opportunity control for QoS guarantee considering priority flows in wireless multi-hop network (in Japanese) Takuma Takase, Nobuyoshi Komuro, Shiro Sakata, Shigeo Shioda, Ttumu Murase, and Hiroo Sekiya IEICE Transactions on Communications, vol.J95-B, no.2, pp.188-198, Feb. 2012. [Abstract | pdf] Energy efficient wireless random access network with code-based multilevel modulation scheme Nobuyoshi Komuro, Hiroo Sekiya and Shiro Sakata Journal of Signal Processing, vol.15, no.6, pp.461-468, Nov. 2011. [Abstract | pdf] Analytical expression of maximum throughput for long-frame communications in one-way string wireless multihop networks Hiroo Sekiya, Yoshihiro Tsuchiya, Nobuyoshi Komuro, and Shiro Sakata Wireless Personal Communications, vol.60, no.1, pp.29-41, Sept. 2011. [Abstract | pdf] Analytical expressions for RTS/CTS wireless multihop networks Sze Yih Chin, Nobuyoshi Komuro, Hiroo Sekiya and Shiro Sakata Journal of Signal Prosessing, vol.15, no.4, pp.267-271, July 2011. [Abstract | pdf] High throughput method for wireless multi-hop networks with string topology using directional antennas (in Japanese) Naofumi Matsumoto, Hiroo Sekiya, Shiro Sakata, Kengo Yagyu IPSJ Journal, vol.51, no.6, pp.1320-1329, June 2010. [Abstract | pdf] Analysis and experiments of maximum throughput in wireless multi-hop networks for VoIP application Masahiko Inaba, Yoshihiro Tsuchiya, Hiroo Sekiya, Shiro Sakata, and Kengo Yagyu IEICE Transactions on Communications, vol.E92-B, no.11, pp.3422-3431, Nov. 2009. [Abstract | pdf] Low-complexity selected mapping schemes with subband division in OFDM systems (in Japanese) Tomoya Imamachi, Tatsuru Watanabe, Hiroo Sekiya, and Shiro Sakata IEICE Transactions on Communications, vol.J92-B, no.8, pp.1245-1255, Aug. 2009. [Abstract | pdf] QoS-aware MAC protocol based on the ratio of buffer usage in multihop network (in Japanese) Masaki Matsumoto, Hiroo Sekiya, Jianming Lu, Takashi Yahagi, and Shiro Sakata IEICE Transactions on Communications, vol.J92-B, no.2, pp.390-399, Feb. 2009. [Abstract | pdf] Multiuser detection with branch-and-bound-based algorithm using user grouping for synchronous CDMA (in Japanese) Yusuke Takano, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, vol.90-A, no.4, pp.305-314, Apr. 2007. [Abstract | pdf] A MAC protocol using busy tone in wireless networks of ad hoc nodes with heterogeneous power capabilitiese (in Japanese) Toshihide Fujiwara, Hiroo Sekiya, Masaki Bandai, Jianming Lu, and Takashi Yahagi IPSJ Journal, vol.47, no.9, pp.2815-2829, Sept. 2006. [Abstract | pdf] Pipelined successive interference cancellation with parallel processing for a DS/CDMA system (in Japanese) Toshimichi Yokote, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol.J87-A, no.9, pp.1254-1256, Sept. 2004. [Abstract | pdf] A compensating method based on SOM for nonlinear distortion in 16-QAM-OFDM system Xiaoqiu Wang, Hua Lin, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol.E87-A, no.6, pp.1641-1644, June 2004. [Abstract | pdf]

Dual Perigee: Reducing Latency in IoT Blockchain Through Efficient Peer Selection Koki Koshikawa, Jong-Deok Kim, Kien Nguyen and Hiroo Sekiya VTC2024-Spring, June 2024. [Abstract | pdf] Measuring Power Consumption of IoT Devices in IoT-Blockchain Systems Haruki Kurisaka, Jong-Deok Kim, Kien Nguyen and Hiroo Sekiya KJCCS, Jan. 2024. [Abstract | pdf] Evaluating Impacts of Overlay Networks on IoT Blockchain Latency Koki Koshikawa, Jong-Deok Kim, Kien Nguyen and Hiroo Sekiya KJCCS, Jan. 2024. [Abstract | pdf] MuLeS: a Multi-client Learning-based MPQUIC Scheduler Trung Thanh Nguyen, Minh Hai Vu, Thi Ha Ly Dinh, Phi Le Nguyen, Kien Nguyen IEEE CCNC2024, Jan. 2024. [Abstract | pdf] An Evaluation of IoT Device Performance in Ethereum-based IoT System Haruki Kurisaka, Phi-Le Nguyen, Kien Nguyen and Hiroo Sekiya 2023 RIVF International Conference on Computing and Communication Technologies (RIVF), pp.130-135, Dec. 2023. [Abstract | pdf] Perpetual Sensor Networks with the Minimum Number of Mobile Chargers Minh Quang Le, Nguyen Nang Hung, Kien Nguyen, Phi Le Nguyen, Phan Thuan Do ACM SOICT 2023, pp.282-288, Dec. 2023. [Abstract | pdf] Comparative Study of German and Japanese University Homepages Franziska Wotschel, Paula Nuber, Kien Nguyen, Hiroo Sekiya IEEE ISCIT 2023, pp.318-323, Oct. 2023. [Abstract | pdf] UWB NLOS/LOS classification using hybrid quantum convolutional neural networks Seon-Geun Jeong, Quang-Vinh Do, Hae-Ji Hwang, Mikio Hasegawa, Hiroo Sekiya, and Won-Joo Hwang 2023 IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), pp.1-2, Oct. 2023. [Abstract | pdf] An Extensive Evaluation of TCP Congestion Control in 10 Gbps Network Shunji Aoyagi, Jong-Deok Kim, Kien Nguyen, Hiroo Sekiya 2023 24th Asia-Pacific Network Operations and Management Symposium (APNOMS), Sept. 2023. [Abstract | pdf] A Data-driven Scheduling Strategy for Mobile Air Quality Monitoring Devices Giang Nguyen, Thi Ha Ly Dinh, Thanh Hung Nguyen, Kien Nguyen, Phi Le Nguyen Asian Conference on Intelligent Information and Database Systems (ACIIDS), July 2023. [Abstract | pdf] Overlapping Channel Bonding Allocation for Dense WLANs under Imbalanced Traffic Demands Hong-Nhat Hoang, Kien Nguyen, Hiroo Sekiya, Chang-Hong Lee, Dong-Hyun Kim, Jong-Deok Kim IEEE VTC-Spring 2023, June 2023. [Abstract | pdf] A Guaranteed QoE Provision using Software Defined Networking and Cryptocurrency Hideya Masaki, Kien Nguyen, Hiroo Sekiya 2023 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'23), Mar. 2023. [Abstract | pdf] Platform Design for Wireless Brain-Inspired Computing Ryuji Nagazawa, Jiaying Lin, Kien Nguyen, Won-Joo Hwang, Hiroyuki Torikai, Mikio Hasegawa, Hiroo Sekiya 2023 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'23), Mar. 2023. [Abstract | pdf] Performance Evaluation of Ethereum Blockchain on Flying Ad-hoc Network Yue Su, Kien Nguyen, Hiroo Sekiya 2023 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'23), Mar. 2023. [Abstract | pdf] A Q-learning-based Multipath Scheduler for Data Transmission Optimization in Heterogeneous Wireless Networks Thanh Trung Nguyen, Minh Hai Vu, Phi Le Nguyen, Phan Thuan Do, Kien Nguyen IEEE CCNC 2023, Jan. 2023. [Abstract | pdf] Latency Assessment of IoT-Blockchain System based on Mobile Ad-hoc Network Yue Su, Jong Deok Kim, Kien Nguyen, Hiroo Sekiya Japan-Korea Joint Workshop on Complex Communication Sciences (JKCCS'23), Jan. 2023. [Abstract | pdf] An Empirical Study of MPQUIC Schedulers in Mobile Wireless Network Minh Hai Vu, Giang T. T. Nguyen, Thanh Trung Nguyen, Hai Dang Tran, Phan Thuan Do, Phi Le Nguyen, Kien Nguyen ACM SoICT 2022, pp.193-200, Dec. 2022. [Abstract | pdf] A Reinforcement Learning-based Multipath Scheduling for Heterogeneous Wireless Networks Thanh Trung Nguyen, Minh Hai Vu, Phi Le Nguyen, Phan Thuan Do, Kien Nguyen IEEE WF IoT 2022, Nov. 2022. [Abstract | pdf] Accurate Discharge and Water Level Forecasting Using Ensemble Learning with Genetic Algorithm and Singular Spectrum Analysis-based Denoising Anh Duy Nguyen, Phi Le Nguyen, Viet Hung Vu, Quoc Viet Pham, Viet Huy Nguyen, Minh Hieu Nguyen, Thanh Hung Nguyen, Kien Nguyen Scientific Reports, Nov. 2022. [Abstract | pdf] Latency Evaluation in Ad-hoc IoT-Blockchain Network Yue Su, Kien Nguyen, Hiroo Sekiya IEEE World Symposium on Communication Engineering (WSCE 2022), vol.5, Sept. 2022. [Abstract | pdf] Micropayment with Private Tangle in QoS Provisioning Networks Hideya Masaki, Kien Nguyen, Hiroo Sekiya MITA 2022, pp. 140-142, July 2022. [Abstract | pdf] An Evaluation of Active Queue Management and TCP Congestion Control in WiFi Networks Shunji Aoyagi, Yuki Horie, Kien Nguyen, Hiroo Sekiya MITA 2022, pp.134-137, July 2022. [Abstract | pdf] Recovery Time Evaluation of Ad-hoc Routing Protocols in IoT-Blockchain Yue Su, Kien Nguyen, Hiroo Sekiya IEEE 4th Global Conference on Life Sciences and Technologies (LifeTech), pp.265-269, Mar. 2022. [Abstract | pdf] A Host-based Investigation of IPv6 in Academia: The Cases of Japan and Vietnam Kien Nguyen, Phi Le Nguyen, Hiroo Sekiya IEEE CCNC 2022, Jan. 2022. [Abstract | pdf] SDN-based Resource Provisioning System with IOTA Hideya Masaki, Kien Nguyen, Hiroo Sekiya IEEE Workshop on Nonlinear Circuit Networks December 3-4, 2021, pp.9-12, Dec. 2021. [Abstract | pdf] A Comparison of Distributed Ledger Technologies in IoT: IOTA Versus Ethereum Xuan Chen, Ryota Nakada, Kien Nguyen, Hiroo Sekiya IEEE ISCIT 2021, Oct. 2021. [Abstract | pdf] Realizing Mobile Air Quality Monitoring System: Architectural Concept and Device Prototype Viet An Nguyen, Viet Hung Vu, Van Sang Doan, Thanh Hung Nguyen, Do Phan Thuan, Kien Nguyen, Phi Le Nguyen, Minh Thuy Le 2021 26th IEEE Asia-Pacific Conference on Communications (APCC), pp.115-120, Oct. 2021. [Abstract | pdf] A QoS-guaranteed System with Software Defined Networking and Micropayment Hideya Masaki, Kien Nguyen, Hiroo Sekiya 2021 26th IEEE Asia-Pacific Conference on Communications (APCC), pp.94-98, Oct. 2021. [Abstract | pdf] Efficient Prediction of Discharge and Water Levels Using Ensemble Learning and Singular-Spectrum Analysis-based Denoising Anh Duy Nguyen, Viet Hung Vu, Minh Hieu Nguyen, Duc Viet Hoang, Thanh Hung Nguyen, Kien Nguyen, Phi Le Nguyen the 34th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE 2021), July 2021. [Abstract | pdf] "Multi-Agent Multi-Armed Bandit Learning for Offloading Delay Minimization in V2X Networks Nang Hung Nguyen, Phi Le Nguyen, Hieu Dinh, Thanh Hung Nguyen, Kien Nguyen The 19th IEEE international conference on embedded and ubiquitous computing (EUC 2021), Apr. 2021. [Abstract | pdf] Evaluating Congestion Control Algorithms of Raspberry Pi in Wi-Fi Network Yuki Horie, Kien Nguyen and Hiroo Sekiya RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing, pp.182-185, Mar. 2021. [Abstract | pdf] Q-learning-based, Optimized On-demand Charging Algorithm in WRSN La Van Quan, Phi Le Nguyen, Thanh-Hung Nguyen, Kien Nguyen IEEE International Symposium on Network Computing and Applications (NCA 2020), Dec. 2020. [Abstract | pdf] An (e-1)/(2e-1)-Approximation Algorithm for Maximizing the Coverage Capability in Vehicle-based Mobile Air Quality Monitoring Systems Viet Dung Nguyen, Phi Le Nguyen, Trung Hieu Nguyen, Kien Nguyen, Phan Thuan Do IEEE International Symposium on Network Computing and Applications (NCA 2020), Dec. 2020. [Abstract | pdf] Performance Evaluation of MPTCP-based IoT Router with Multiple Radios Taichi Tsuru, Kien Nguyen, Hiroo Sekiya IEICE ICETC 2020, Dec. 2020. [Abstract | pdf] Enabling P4-based Multipath Communication in Wireless Networks Hiroaki Motohashi, Kien Nguyen, Hiroo Sekiya IEEE Globecom SecSDN Workshop, Taipei, Taiwan, Dec. 2020. [Abstract | pdf] Modeling and Minimizing Latency in Three-tier V2X Networks Phi Le Nguyen, Ren-Hung Hwang, Pham Minh Khiem, Kien Nguyen, Ying-Dar Lin IEEE GLOBECOM 2020, Taipei, Taiwan, Dec. 2020. [Abstract | pdf] Implementation of Spiking Neural Network with IoT communication devices Ryuya Hiraoka, Kien Nguyen, Hiroyuki Torikai, and Hiroo Sekiya 2020 IEEE Workshop on Nonlinear Circuit Networks(NCN2020), Dec. 2020. [Abstract | pdf] An Implementation of Multipath Communication Using Data-plane Programming Hiroaki Motohashi, Kien Nguyen, and Hiroo Sekiya 2020 IEEE Workshop on Nonlinear Circuit Networks(NCN2020), Dec. 2020. [Abstract | pdf] TCP Congestion Control Performance in Emulated Wi-Fi with Bufferbloat Yuki Horie, Do Thi Thu Hien, Kien Nguyen, Hiroo Sekiya 2020 IEEE Workshop on Nonlinear Circuit Networks(NCN2020), Dec. 2020. [Abstract | pdf] A Research on Micropayment with IOTA Ryota Nakada, Kien Nguyen, and Hiroo Sekiya 2020 IEEE Workshop on Nonlinear Circuit Networks(NCN2020), pp.48-51, Dec. 2020. [Abstract | pdf] Characterizing Latency Performance in Pri- vate Blockchain Network Chen Xuan, Kien Nguyen, Hiroo Sekiya EAI MONAMI, Nov. 2020. [Abstract | pdf] An Investigation of Delay-guaranteed Mechanism in Wi-Fi Networks with Multiple Traffic Flows Hiroaki Motohashi, Kien Nguyen, Hiroo Sekiya IEEE ICAIT 2020, Nov. 2020. [Abstract | pdf] Monitoring Private Blockchain Performance on Non-mining Nodes Chen Xuan, Kien Nguyen, Hiroo Sekiya NOLTA 2020, pp.154-157, Nov. 2020. [Abstract | pdf] Evaluation of Wireless Spiking Neural Network Ryuya Hiraoka, Kien Nguyen, Hiroyuki Torikai, Hiroo Sekiya NOLTA 2020, pp.324-326, Nov. 2020. [Abstract | pdf] A Comparison of Congestion Control Algorithms in Emulated Wi-Fi Networks Yuki Horie, Do Thi Thu Hien, Kien Nguyen, and Hiroo Sekiya ICTC, pp.301-306, Oct. 2020. [Abstract | pdf] A Review on Blockchain for Medical Delivery Drones in 5G-IoT Era: Progress and Challenges Partha Pratim Ray, Kien Nguyen IEEE/CIC ICCC 2020 Workshop, Virtual Conference, Aug. 2020. [Abstract | pdf] Relaxing Network Selection for TCP Short Flows Using SYN Duplication Kien Nguyen, Hiroo Sekiya IEEE INFOCOM 2020, July 2020. [Abstract | pdf] Genetic Algorithm-based Periodic Charging Scheme for Energy Depletion Avoidance in WRSNs Huong Thi Tran, Phi Le Nguyen, Huynh Thi Thanh Binh, Kien Nguyen, Minh Hai Ngo, Vinh Le IEEE WCNC 2020, Mar. 2020. [Abstract | pdf] TCP Behavior on Multi-gigabit IEEE 802.11ad Link Kien Nguyen, Hiroo Sekiya 8th International Conference on Green and Human Information Technology (ICGHIT), Feb. 2020. [Abstract | pdf] Analytical expressions for IEEE 802.11 DCF tree-topology network Takeshi Kanematsu, Yin Wan, Kosuke Sanada, Kien Nguyen, and Hiroo Sekiya The 8th Korea-Japan Joint Workshop on Complex Communication Sciences (KJCCS 2020), Jan. 2020. [Abstract | pdf] Classification for People Distribution with Reservoir Computing Kazuki Matsumoto, Kien Nguyen, Hiroyuki Torikai and Hiroo Sekiya The 8th Korea-Japan Joint Workshop on Complex Communication Sciences (KJCCS 2020), Jan. 2020. [Abstract | pdf] Performance Analysis of One-to-one WLANs in Grid Topology Jingwei Liu, Takumi Aoki, Kien Nguyen and Hiroo Sekiya The 8th Korea-Japan Joint Workshop on Complex Communication Sciences (KJCCS 2020), Jan. 2020. [Abstract | pdf] Wireless Spiking Neural Network for Internet of Things Ryuya Hiraoka, Kazuki Matsumoto, Kien Nguyen, Hiroyuki Torikai and Hiroo Sekiya The 8th Korea-Japan Joint Workshop on Complex Communication Sciences (KJCCS 2020), Jan. 2020. [Abstract | pdf] Adaptive Caching for Beneficial Content Distribution in Information- Centric Networking Quang Ngoc Nguyen, Jairo Lopez, Toshitaka Tsuda, Takuro Sato, Kien Nguyen, Cutifa Safitri, Mohammad Arifuzzaman, Huu Thanh Nguyen IEEE ICOIN, Barcelona, Spain, Jan. 2020. [Abstract | pdf] Implementation of Spiking Neural Network with Wireless Communications Ryuya Hiraoka, Kazuki Matsumoto, Kien Nguyen, Hiroyuki Torikai, Hiroo Sekiya 26th International COnference on Neuron Information Processing of the Asia-Pacific Neural Network Society (ICONIP2019), pp.619-626, Dec. 2019. [Abstract | pdf] A Software Defined Networking Approach for Guaranteeing Delay in Wi-Fi Networks Do Thi Thu Hien, Thanh Duc Ngo, Duy-Dinh Le, Hiroo Sekiya, Van-Hau Pham, Kien Nguyen ACM SoICT 2019, pp. 191-196, Hanoi-Halong Bay, Vietnam, Dec. 2019. [Abstract | pdf] A Dynamic Routing Protocol for Maximizing Network Lifetime in WSNs with Holes Phi Le Nguyen, Thanh Hung Nguyen, Kien Nguyen ACM SoICT 2019, Hanoi-Halong Bay, Vietnam, no.216-223, Dec. 2019. [Abstract | pdf] Exploiting Q-learning in Extending the Network Lifetime of Wireless Sensor Networks with Holes Khanh Le, Thanh-Hung Nguyen, Kien Nguyen, and Phi Le Nguyen IEEE ICPADS 2019, Tianjin, China, Dec. 2019. [Abstract | pdf] An Evaluation of MPTCP on Raspberry Pi3 Taichi Tsuru, Kien Nguyen, and Hiroo Sekiya 2019 IEEE Workshop on Nonlinear Circuit Networks, Dec. 2019. [Abstract | pdf] A Research on Measuring Latency of Private Ethereum Blockchain Xuan Chen, Kien Nguyen, Hiroo Sekiya 2019 IEEE Workshop on Nonlinear Circuit Networks, Dec. 2019. [Abstract | pdf] Targeting Bufferbloat in Wi-Fi Networks: An Emulator-based Approach Do Thi Thu Hien, Thanh Duc Ngo, Duy-Dinh Le, Hiroo Sekiya, Van-Hau Pham, Kien Nguyen IEEE ISCIT 2019, Hochiminh City, Vietnam, Sept. 2019. [Abstract | pdf] Virtualization for Flexibility and Network-Aware on 5G Mobile Devices Kien Nguyen, Li Zhe-tao, Hiroo Sekiya Proc. IEEE COMPSAC 2019, Wisconsin, USA, July 2019. [Abstract | pdf] An Experimental Study on Buffer Size in Multipath TCP Communication Kien Nguyen, Hiroo Sekiya 15th International Conference on Multimedia Information Technology and Applications (MITA2019), Hochiminh City, Vietnam , June 2019. [Abstract | pdf] Throughput analysis for IEEE 802.11 multi-hop networks considering transmission rate Takeshi Kanematsu, Kien Nguyen, and Hiroo Sekiya 2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring), Apr. 2019. [Abstract | pdf] Accurate analytical model of saturated throughput of the IEEE 802.11p EDCA Shintaro Ikuma, Kien Nguyen, and Hiroo Sekiya 2019 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'19), pp.542-545, Mar. 2019. [Abstract | pdf] An evaluation of multipath TCP in lossy environment Kien Nguyen, Mirza Golam Kibria, Kentaro Ishizu, Fumihide Kojima, and Hiroo Sekiya Proc. IEEE Percom Workshop (PerFoT), Mar. 2019. [Abstract | pdf] XOR learning by spiking neural network with infrared communications Kazuki Matsumoto, Hiroyuki Torikai, and Hiroo Sekiya 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference(APSIPA ASC2018), pp.1289-1292, Nov. 2018. [Abstract | pdf] Throughput and delay analyses for RTS/CTS-used IEEE 802.11 DCF on two-way flows string-topology multi-hop networks Kouhei Hayashida, Hiroo Sekiya 2018 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'18), Mar. 2018. [Abstract | pdf] Reinforcement Learning for FPGA Spiking Neural Network coupled by LEDs Shohei Sugino, Kazuki Matsumoto, Hiroyuki Torikai, and Hiroo Sekiya 2018 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'18), Mar. 2018. [Abstract | pdf] Throughput analysis of WLANs in presence of capture effect Yuto Yoshida, Hiroo Sekiya 2018 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'18), Mar. 2018. [Abstract | pdf] Power-flow simulation with visualization function based on IEEE common data format Shohei Sugino, Kazuhiro Okabe, Nobuyoshi Komuro, and Hiroo Sekiya 2016 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS2016), Oct. 2016. [Abstract | pdf] Small-signal analysis of closed-loop PWM boost converter in CCM with complex impedance load Dalvir K. Saini, Agasthya Ayachit, Marian K. Kazimierczuk, and Hiroo Sekiya 2016 IEEE International Symposium on Circuits and Systems (ISCAS2016), pp.433-436, May 2016. [Abstract | pdf] Impact of multilevel factors to end-to-end throughput of IEEE 802.11 multi-hop networks through analytical expressions Tomoo Tanii, Kosuke Sanada, Nobuyoshi Komuro, and Hiroo Sekiya 2016 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'16), pp.739-742, Mar. 2016. [Abstract | pdf] Throughput and delay analysis of IEEE802.11 string-topology multi-Hop networks Kosuke Sanada, Nobuyoshi Komuro, and Hiroo Sekiya The 2015 International Symposium on Nonlinear Theory & its Applications (NOLTA 2015), no.419-422, Dec. 2015. [Abstract | pdf] Throughput analysis of wireless networks with Tethering function Minh Huy Bui, Kokuse Sanada, Nobuyoshi Komuro, Shigeo Shioda, Shiro Sakata, Kazunori Miyoshi, Tutomu Murase, and Hiroo Sekiya 2015 IEEE Wireless communications and networking conference (WCNC2015), pp.125-130, Mar. 2015. [Abstract | pdf] End-to-end throughput and delay analysis for IEEE 802.11 string topology multi-hop network using markov-chain model Kosuke Sanada, Nobuyoshi Komuro, and Hiroo Sekiya The 2015 IEEE 25th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2015), pp.1887-1891, 2015. [Abstract | pdf] Route construction method for 6LoWPAN/RPL wireless sensor network using mobile sink nodes Shun Wakatsuki, Shiro Sakata, Nobuyoshi Komuro, Tingrui Pei, Young-june Choi, and Hiroo Sekiya The 11th International Conference on Multimedia Information Technology and Applications (MITA2015), 2015. [Abstract | pdf] End-to-end throughput analysis for IEEE 802.11 string-topology multi-hop networks with two-way flows Kosuke Sanada, Nobuyoshi Koumuro, and Hiroo Sekiya The 11th International Conference on Multimedia Information Technology and Applications (MITA2015), 2015. [Abstract | pdf] Maximum throughput analysis for IEEE 802.11 string topology wireless multi-hop networks taking into account hidden nodes using Markov-chain model Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata 2014 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'14), pp.77-80, Mar. 2014. [Abstract | pdf] Delay analysis for IEEE802.11 multi-hop networks taking into account the concurrent-transmission collisions Jin Shi, Kosuke Sanada, Hiroo Sekiya and Shiro Sakata The 2013 International Symposium on Nonlinear Theory and its Applications (NOLTA2013), Sept. 2013. [Abstract | pdf] Non-saturated and Saturated Throughput Analysis for IEEE 802.11e EDCA Multi-hop Networks Yuta Shimoyamada, Kosuke Sanada, and Hiroo Sekiya The 16th International Symposium on Wireless Personal Multimedia Communications (WPMC), pp.1-6, Apr. 2013. [Abstract | pdf] Delay analysis for IEEE802.11 string-topology multi-hop networks Jin Shi, Hiroo Sekiya, Kosuke Sanada, Nobuyoshi Komuro and Shiro Sakata 2013 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'13), pp.393-397, Mar. 2013. [Abstract | pdf] MAC protocol for ad hoc network using smart antenna with Pulse/Tone exchange Jing Ma, Hiroo Sekiya, Nobuyoshi Komuro, Shiro Sakata The Twelfth International Conference on Networks (ICN'13), Jan. 2013. [Abstract | pdf] An asynchronous multi-channel MAC protocol with Pulse/Tone exchange for RTS collision avoidance Ryo Manzoku, Hiroo Sekiya, Jing Ma, Kosuke Sanada and Shiro Sakata 1st IEEE International Symposium on Telecommunication Technologies (ISTT2012), pp.76-81, Nov. 2012. [Abstract | pdf] A directional MAC protocol with the DATA-frame fragmentation and short busy advertisement signal for mitigating the directional hidden node problem Sho Motegi, Hiroo Sekiya, Jing Ma, Kosuke Sanada and Shiro Sakata 2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2012), pp.409-414, Sept. 2012. [Abstract | pdf] Analytical method of maximum UDP throughput for one-way wireless multi-Hop networks using Markov Chain model Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuro and Shiro Sakata 2012 International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2012), pp.125-128, Mar. 2012. [Abstract | pdf] Coupling effect in IEEE 802.11 DCF wireless multi-hop networks Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuroy and Shiro Sakata 2011 International Symposium on Nonlinear Theory and its Applications (NOLTA2011), pp.248-251, Sept. 2011. [Abstract | pdf] Energy efficiency of code multi-level modulation-used wireless random access network Nobuyoshi Komuro, Hiroo Sekiya and Shiro Sakata 2011 International Workshop on Nonlinear Circuits, Communication and Signal Processing (NCSP2011), pp.215-218, Mar. 2011. [Abstract | pdf] Analytical expressions for RTS/CTS-used wireless multihop networks Sze Yih Chin, Nobuyoshi Komuro, Hiroo Sekiya and Shiro Sakata 2011 International Workshop on Nonlinear Circuits, Communication and Signal Processing (NCSP2011), pp.223-226, Mar. 2011. [Abstract | pdf] Analytical expressions of maximum throughput for long-frame communications in one-way string wireless multihop network Hiroo Sekiya, Yoshihiro Tsuchiya, Nobuyoshi Komuro, and Shiro Sakata Third International Conference on Ubiquitous and Future Networks (ICUFN2010), pp.121-126, June 2010. [Abstract | pdf] Maximum throughput analysis for RTS/CTS-used IEEE 802.11 DCF in wireless multi-hop networks Takuya Sugimoto, Nobuyoshi Komuro, Hiroo Sekiya, Shiro Sakata and Kengo Yagyu International Conference on Computer and Communication Engineering (ICCCE2010), May 2010. [Abstract | pdf] Analysis of maximum UDP throghput of short-hop string networks for VoIP applications Yoshihiro Tsuchiya, Masahiko Inaba, Masaki Matsumoto, Hiroo Sekiya, Shiro Sakata and Kengo Yagyu The 12th International Symposium on Wireless Personal Multimedia Communications (WPMC2009), Sept. 2009. [Abstract | pdf] QoS-based routing in multichannel multihop WLANs Atsushi Nagasaki, Hiroo Sekiya, Shiro Sakata, Kengo Yagyu The 12th International Symposium on Wireless Personal Multimedia Communications (WPMC2009), Sept. 2009. [Abstract | pdf] Throughput analysis on string multi-hop networks with multiple flow Toshihide Fujiwara, Hiroo Sekiya, Kazuteru Namba, Jianming Lu, Takashi Yahagi, and Shiro Sakata 2006 RISP International Workshop on Nonlinear Circuits and Signal Processing (NCSP2006), pp.417-420, Mar. 2006. [Abstract | pdf] Multiuser detection with branch-and-bound-based algorithm using user grouping for synchronous CDMA Yusuke Takano, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi 16th International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC2005), Sept. 2005. [Abstract | pdf] A MAC protocol for broadcasting in wireless networks of ad hoc nodes with heterogeneous power capabilities Toshihide Fujiwara, Hiroo Sekiya, Masaki Bandai, Toshimichi Yokote, Jianming Lu, and Takashi Yahagi 2004 International Symposium on Information Theory and its Applications (ISITA2004), Oct. 2004. [Abstract | pdf] A compensating method based on SOM for nonlinear distortion in 16 QAM-OFDM system Xiaoqiu Wang, Jianming Lu, Hiroo Sekiya and Takashi Yahagi 2004 IEEE International Conference on Multimedia and Expo (ICME2004), vol.3, pp.1899-1902, June 2004. [Abstract | pdf] A compensating method based on SOM for nonlinear distortion in 64-QAM-OFDM system Xiaoqiu Wang, Hua Lin, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 2004 RISP International Workshop on Nonlinear Circuits and Signal Processing(NCSP2004), pp.21-24, Mar. 2004. [Abstract | pdf] Channel estimation for nonlinear OFDM system using diagonal scattered pilots Xiaoqiu Wang, Hua Lin, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi 2004 RISP International Workshop on Nonlinear Circuits and Signal Processing (NCSP2004), pp.29-32, Mar. 2004. [Abstract | pdf] Pipelined successive interference cancellation with parallel processing for a DS/CDMA system Toshimichi Yokote, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi 5th Asia-Pacific Symposium on Information and Telecommunication Technologies(APSITT2003), pp.125-130, Nov. 2003. [Abstract | pdf] Combining RNN equalizer with SOM detector Xiaoqiu Wang, Jianming Lu, Hua Lin, Nuo Zhang, Hiroo Sekiya, and Takashi Yahagi 6th International Conference on Signal Processing (ICSP2002), pp.1291-1294, Oct. 2002. [Abstract | pdf]

(in Japanese) , Mar. 2024. [Abstract | pdf]  (in Japanese) , vol.123, no.397, pp.113-118, Feb. 2024. [Abstract | pdf] A Software-Defined Networking Approach for Constructing Rural Network Infrastructure Teresa Venegas, Yue Su , Jiayang Chen , Kien Nguyen and Hiroo Sekiya NCN2023 IEEE Workshop on Nonlinear Circuit Networks, Dec. 2023. [Abstract | pdf] Assessing Effects of Overlay Networks on Latency in IoT Blockchain Koki Koshikawa, Kien Nguyen, and Hiroo Sekiya NCN2023 IEEE Workshop on Nonlinear Circuit Networks, Nov. 2023. [Abstract | pdf] An Improved Location Fingerprinting Method for 5G Ultra-Dense Networking Scenarios Yang Xiang, Yue Su, Kien Nguyen, Hiroo Sekiya IEICE Society Conference, BS-3-6, Sept. 2023. [Abstract | pdf] Performance Evaluation of IoT Devices in IoT-Blockchain Systems (in Japanese) Haruki KURISAKA, Kien NGUYEN, Hiroo SEKIYA Technical Committee on Information Networks, Aug. 2023. [Abstract | pdf] Evaluating Power Consumption of IoT Devices in IoT-Blockchain Systems (in Japanese) Haruki Kurisaka, Kien Nguyen, Hiroo Sekiya The 2023 IEICE NOLTA Conference, June 2023. [Abstract | pdf] Realization of Wireless-Friendly Software Defined Networking Jiayang Chen, Kien Nguyen, Hiroo Sekiya The 2023 IEICE NOLTA Conference, June 2023. [Abstract | pdf] Realization of Throughput Improvement Using Multipath Transport Technology in 5G Core Networks (in Japanese) Shunji Aoyagi, Kien Nguyen, Hiroo Sekiya The 2023 IEICE NOLTA Conference, June 2023. [Abstract | pdf] An Adaptive Simulated Annealing Particle Swarm Optimization Method Yang Xiang, Kien Nguyen, Hiroo Sekiya The 2023 IEICE NOLTA Conference, June 2023. [Abstract | pdf] Evaluating Transaction Synchronization in FANET-based IoT-Blockchain System Yue Su, Kien Nguyen, Hiroo Sekiya The 2023 IEICE NOLTA Conference, June 2023. [Abstract | pdf] A Research on Decentralizing IoT Systems with Distributed Ledger Technologies Kien Nguyen, Yue Su,and Hiroo Sekiya IEICE Technical Report, vol.123, no.52, pp.49-54, May 2023. [Abstract | pdf] A Research on Decentralizing IoT Systems with Distributed Ledger Technologie Kien Nguyen, Yue Su, Hiroo Sekiya , vol.123, no.52, pp.49-54, May 2023. [Abstract | pdf] A Universal 5G Ultra-Dense Network Simulation Platform for Indoor Positioning Yang Xiang, Kien Nguyen, Hiroo Sekiya Institute of Electronics, Information and Communication Engineers, Mar. 2023. [Abstract | pdf] Proposal of QoE Provisioning System for VoIP using SDN and Cryptocurrency (in Japanese) Hideya Masaki, Kien Nguyen, Hiroo Sekiya Technical Committee on Communication Quality , Jan. 2023. [Abstract | pdf] A Fairness Evaluation of TCP Flows in 10Gbps Network (in Japanese) Shunji Aoyagi, Kien Nguyen, Hiroo Sekiya Technical Committee on Communication Quality , Jan. 2023. [Abstract | pdf] A Proposal for Refundable QoS Provisioning System in Wireless Networks.  (in Japanese) Hideya Masaki, Kien Nguyen, Hiroo Sekiya THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS IEICE Technical Report NS2022-96, vol.122, no.198, pp.94-99, Oct. 2022. [Abstract | pdf] Reduction of processing time for wireless SNN using wireless communication devices for Iot (in Japanese) Nagasawa RYUJI, Kien NGUYEN, Hiroyuki TORIKAI , and Hiroo SEKIYA INFORMATION AND COMMUNICATION ENGINEERS IEICE Technical Report(CCS)2022-08, p.80~85, Aug. 2022. [Abstract | pdf] ［招待講演］Network Sofwarized 5G Device for Flexibility and Efficiency Kien Nguyen, Hiroo Sekiya IEICE Technical Report, vol.122, no.105, pp.88-93, July 2022. [Abstract | pdf] Proposal of MQTT-based Micropayment System (in Japanese) Ryota NAKADA, Kien NGUYEN, and Hiroo SEKIYA Technical Committee on Sensor Network and Mobile Intelligence SeMI2021-53, vol.121, no.333, pp.6-10, Jan. 2022. [Abstract | pdf] Performance Evaluation of TCP Congestion Control Algorithms (in Japanese) Shunji AOYAGI, Kien NGUYEN, and Hiroo SEKIYA Technical Committee on Sensor Network and Mobile Intelligence SeMI2021-52, vol.121, no.333, pp.1-5, Jan. 2022. [Abstract | pdf] An Evaluation of Active Queue Management in IoT Network (in Japanese) Yuki HORIE, Kien NGUYEN, and Hiroo SEKIYA Technical Committee on Sensor Network and Mobile Intelligence SeMI2021-54, vol.121, no.333, pp.11-15, Jan. 2022. [Abstract | pdf] A Quick Look on IPv6 Adoption of Japanese University Websites Kien Nguyen, Hiroo Sekiya Technical Committee on Communication Quality, vol.121, no.357, pp.112-116, Jan. 2022. [Abstract | pdf] Performance Comparison of OLSR and BATMAN in IoT-Blockchain Network Yue Su, Kien Nguyen, Hiroo Sekiya Technical Committee on Sensor Network and Mobile Intelligence (SeMI), vol.121, no.333, pp.125-130, Jan. 2022. [Abstract | pdf] Examination status for the realization of wire-free robots (in Japanese) 清水聡, 芹澤和伸, 佐久間和司, 鈴木義規, 関屋大雄, 大平昌敬 , vol.121, no.266, pp.27-30,, Nov. 2021. [Abstract | pdf] Guaranteed Network Resource Provision with Micropayment (in Japanese) Hideya MASAKI, Kien NGUYEN, and Hiroo SEKIYA Technical Committee on Network Systems (NS)NS2021-32 , vol.121, no.102, pp.1-6, July 2021. [Abstract | pdf] Feasibility Study of Micropayment on IoT Device  (in Japanese) Ryota NAKADA, Kien NGUYEN, and Hiroo SEKIYA Technical Committee on Communication Quality CQ2020-57, vol.120, no.258, pp.56-61, Nov. 2020. [Abstract | pdf] A Research on Performance Evaluation of Congestion Control Algorithms in Wi-Fi Networks  (in Japanese) Yuki HORIE, Kien NGUYEN, and Hiroo SEKIYA Technical Committee on Communication Quality CQ2019-152, vol.119, no.455, pp.93-98, Mar. 2020. [Abstract | pdf] An Implementation and Evaluation of Multipath Communication coded by P4  (in Japanese) Hiroaki MOTOHASHI, Kien NGUYEN, and Hiroo SEKIYA Technical Committee on Communication Quality CQ2019-145 , vol.119, no.455, pp.57-62, Mar. 2020. [Abstract | pdf] Performance Evaluation of Multipath-TCP Congestion Controls in Virtual Wi-Fi System (in Japanese) Jingwei LIU, Kien NGUYEN, and Hiroo SEKIYA Technical Committee on Communication Quality, Nov. 2019. [Abstract | pdf] An Investigation of Wi-Fi Bufferbloat Using a Wireless Emulator Do Thi Thu Hien, Thanh Duc Ngo, Duy-Dinh Le, Hiroo Sekiya, Van-Hau Pham, Kien Nguyen IEICE Society 2019, BS-4-12, Osaka, Japan, Sept. 2019. [Abstract | pdf] A Research on End Devices’ Network Softwarization Kien Nguyen, Hiroo Sekiya IEICE Society 2019, BS-4-18, Osaka, Japan, Sept. 2019. [Abstract | pdf] Performance and Unfairness Analyses in Dense Wi-Fi Networks under Presence of Capture Effect (in Japanese) Takeshi Kanematsu, Yuto Yoshida, Kien Nguyen, and Hiroo Sekiya IEICE Technical Report SeMI 2019-20, vol.119, no.110, pp.13-18, July 2019. [Abstract | pdf] A Research on Multipath TCP Initialization in Wireless Networks Kien Nguyen, Hiroo Sekiya IEICE CQ, Hiroshima, May 2019. [Abstract | pdf] Wireless neural network coupled by infrared communications Kazuki Matsumoto, Hiroyuki Torikai, Kien Nguyen and Hiroo Sekiya 7th Japan-Korea Joint Workshop on Complex Communication Sciences (JKCCS' 19), Jan. 2019. [Abstract | pdf] A network calculus model for dual connectivity communication Kien Nguyen, and Hiroo Sekiya 7th Japan-Korea Joint Workshop on Complex Communication Sciences (JKCCS' 19), Jan. 2019. [Abstract | pdf] The Influence on Network Characteristics by CW Value and Proposal of Analytical Expression in the IEEE 802.11p EDCA (in Japanese) Shintaro Ikuma, Kien Nguyen, and Hiroo Sekiya Technical Committee on Ambient intelligence and Sensor Networks, vol.118, no.428, pp.95-100, Jan. 2019. [Abstract | pdf] Wi-Fi virtualization: applications and performance evaluation Kien Nguyen, and Hiroo Sekiya Vietnam-Japan Joint Workshop on Ambient Intelligence and Sensor Networks (IEICE ASN), Nov. 2018. [Abstract | pdf] XOR learning by spiking neural network with infrared communications (in Japanese) Kazuki Matsumoto, Hiroyuki Torikai, and Hiroo Sekiya Technical Committee on Complex Communication Sciences (CCS), vol.118, no.168, pp.25-28, Aug. 2018. [Abstract | pdf] Throughput analysis of WLANs taking into account capture effect (in Japanese) Takeshi Kanematsu, Yuto Yoshida, and Hiroo Sekiya Technical Committee on Ambient intelligence and Sensor Networks (ASN), vol.118, no.127, pp.7-12, July 2018. [Abstract | pdf] Saturated throughput analysis of IEEE 802.11p EDCA expressing transmission probability strictly (in Japanese) Shintaro Ikuma, Hiroo Sekiya Technical Committee on Ambient intelligence and Sensor Networks (ASN), vol.117, no.426, pp.157-162, Jan. 2018. [Abstract | pdf] Throughput analysis of WLANs of the EDCA in heterogeneous condition (in Japanese) Shintaro Ikuma, Hiroo Sekiya Technical Committee on Complex Communication Sciences (CCS), July 2017. [Abstract | pdf] Multiple-packet reception MAC protocol applying pulse/tone exchange in MIMO ad-hoc network (in Japanese) Yuto Yoshida , Nobuyoshi Komuro , and Hiroo Sekiya Technical Committee on Ambient intelligence and Sensor Networks (ASN), pp.37-42, Jan. 2017. [Abstract | pdf] Throughput and delay analyses for tree-topology wireless network (in Japanese) Nobuyoshi Komuro, Yin Wan, Kosuke Sanada, and Hiroo Sekiya Technical Committee on Complex Communication Sciences (CCS), pp.49-54, Nov. 2016. [Abstract | pdf] End-to-end throughtput and delay analysis for RTS/CTS-used wireless multihop networks (in Japanese) Kouhei HAYASHIDA , Kosuke SANADA, Nobuyoshi KOMURO , and Hiroo SEKIYA IEICE Technical Committee on Complex Communication Science, Aug. 2016. [Abstract | pdf] Throughput Analysis of WLANs With Airtime Concept (in Japanese) Hiroo SEKIYA and Kosuke SANADA IEICE Technical Committee on Ambient Sensor Network (ASN), May 2016. [Abstract | pdf] Throughput characteristics Analysis of Wireless LANs considering Inter-network Interference  (in Japanese) Takumi AOKI , Kosuke SANADA, Nobuyoshi KOMURO , Gen MOTOYOSHI, Norio YAMAGAKI, Shigeo SHIODA , Shiro SAKATA , Tsutomu MURASE, and Hiroo SEKIYA IEICE Technical Committee on Ambient Sensor Network (ASN), May 2016. [Abstract | pdf] [Invited Talk] Throughput and Delay Analyses for Wireless Multi-hop Networks (in Japanese) Hiroo Sekiya IEICE Technical Committee on Network Systems and Radio Communication Systems, vol.115, no.368, NS2015-139, pp.71-76, Dec. 2015. [Abstract | pdf] Throughput analysis of wireless multihop networks taking into account transmission rate (in Japanese) Tomoo Tanii, Kosuke Sanada, Nobuyoshi Komuro, and Hiroo Sekiya IEICE Technical Committee on Complex Communication Science, vol.115, no.300, pp.93-98, Nov. 2015. [Abstract | pdf] Throughput analysis of tetheing networks with different frame-size flow (in Japanese) Yin Wan, Kosuke Sanada, Nobuyoshi Komuro, Gen Motoyoshi, Norio Yamagaki, Shigeo Shioda, Shiro Sakata, and Hiroo Sekiya IEICE Technical Committee on Complex Communication Science, vol.115, no.300, pp.81-86, Nov. 2015. [Abstract | pdf] Development Visualization Simulator of Power Flow Calculation (in Japanese) Kazuhiro Okabe, and Hiroo Sekiya IEICE Technical Committee on Complex Communication Science, vol.115, no.178, pp.51-56, Aug. 2015. [Abstract | pdf] A MAC protocol for mitigating exposed node problem in MIMO ad-hoc networks  (in Japanese) Tetsuro Okazawa, Nobuyoshi Komuro, Jing Ma, Kosuke Sanada, and Hiroo Sekiya IEICE Technical Committee on Ambient Sensor Network (ASN), vol.114, no.480, pp.1-6, Mar. 2015. [Abstract | pdf] Throughput analysis of wireless networks with Tethering function (in Japanese) Minh Huy Bui, Kokuse Sanada, Nobuyoshi Komuro, Shigeo Shioda, Shiro Sakata, Kazunori Miyoshi, Tutomu Murase, and Hiroo Sekiya IEICE Technical Committee on Ambient Intelligence and Sensor Networks, pp.231-236, Jan. 2015. [Abstract | pdf] Throughput and delay analyses for wireless multi-hop networks (in Japanese) Hiroo Sekiya, and Kousuke Sanada IEICE Technical Committee on Ambient Intelligence and Sensor Networks, vol.114, no.418, pp.225-229, Jan. 2015. [Abstract | pdf] Analytical expressions of end-to-end throughput for IEEE 802.11e EDCA wireless multi-hop networks Yuta Shimoyamada, Kosuke Sanada, Nobuyoshi Komuro, and Hiroo Sekiya 3rd Japan-Korea Joint Workshop on Complex Communication Sciences (JKCCS' 14), Oct. 2014. [Abstract | pdf] Prolonging network lifetime for 6LoWPAN/RPL wireless sensor network using mobile sink with dynamic sojourn time Shun Wakatsuki, Nobuyoshi Komuro, Hiroo Sekiya, and Shiro Sakata 3rd Japan-Korea Joint Workshop on Complex Communication Sciences (JKCCS' 14), Oct. 2014. [Abstract | pdf] Analytical expression for throughput and transmission delay of IEEE 802.11 string topology networks with two-way flows Kosuke Sanada, Yuta Shimoyamada, Yuji Ikeda, Nobuyoshi Komuro, and Hiroo Sekiya 3rd Japan-Korea Joint Workshop on Complex Communication Sciences (JKCCS' 14), Oct. 2014. [Abstract | pdf] Optimal power flow problem with considering CO2 emission in power system Kazuhiro Okabe, Hiroaki Kurokawa, and Hiroo Sekiya 3rd Japan-Korea Joint Workshop on Complex Communication Sciences (JKCCS' 14), Oct. 2014. [Abstract | pdf] Route construction for 6LoWPAN/RPL wireless sensor network using multiple sinks (in Japanese) Shun Wakatsuki, Nobuyoshi Komuro, and Hiroo Sekiya IEICE Technical Committee on Ambient Intelligence and Sensor Networks, vol.114, no.166, pp.37-42, July 2014. [Abstract | pdf] Generalized analytical expressions for throughput and transmission delay of IEEE 802.11 string topology networks (in Japanese) Kosuke Sanada, Yuta Shimoyamada, Yuji Ikeda, Hiroo Sekiya,and Nobuyoshi Komuro IEICE Technical Committee on Network Systems, vol.114, no.163, pp.155-160, July 2014. [Abstract | pdf] Throughput analysis for IEEE 802.11e multi-hop networks in the presence of hidden nodes taking into account backoff-based priority differentiation  (in Japanese) Yuta Shimoyamada, Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata IEICE Technical Committee on Ambient Intelligence and Sensor Networks, vol.113, no.399, pp.169-174, Jan. 2014. [Abstract | pdf] Logical-topology-construction method based on small world concepts for wireless sensor networks (in Japanese) Sho Motegi, Hiroo Sekiya, Nobuyoshi Komuro, Shiro Sakata IEICE Technical Committee on Ambient Intelligence and Sensor Networks, vol.113, no.399, pp.175-178, Jan. 2014. [Abstract | pdf] General analytical expressions of throughput and end-to-end delay for wireless multi-hop networks using markov-chain model taking into account hidden node collisions (in Japanese) Kosuke Sanada, Jin Shi, Hiroo Sekiya, and Shiro Sakata IEICE Technical Committee on Complex Communication Science, Aug. 2013. [Abstract | pdf] Non-saturated and saturated throughput analysis for IEEE 802.11e EDCA string topology wireless multi-hop networks  (in Japanese) Yuta Shimoyamada, Kosuke Sanada, Jin Shi, and Hiroo Sekiya IEICE Technical Committee on Networks Systems, vol.113, no.131, pp.131-136, July 2013. [Abstract | pdf] A multiple control channel MAC protocol for multi-channel ad-hoc network (in Japanese) Ryo Manzoku, Hiroo Sekiya, Nobuyoshi Komuro, Shiro Sakata IEICE Technical Committee on Ambient Intelligence and Sensor Networks, July 2013. [Abstract | pdf] Investigation and analysis of network dynamics in wireless multi-hop networks (in Japanese) Hiroo Sekiya, Kosuke Sanada, Jin Shi, and Shiro Sakata IEICE Technical Committee on Ambient Sensor Network, vol.113, no.38, pp.7-12, May 2013. [Abstract | pdf] A Directional MAC Protocol for Mitigating Frame Collision and Deafness Problem in Wireless Multi-Hop Networks (in Japanese) Tetsuro Okazawa, Jing Ma, Ryo Manzoku, Sho Motegi, Hiroo Sekiya IEICE Technical Committee on Ambient Sensor Network (ASN), May 2013. [Abstract | pdf] A directional MAC protocol with the DATA-frame Fragmentation and short busy advertisement signal for mitigating the directional hidden node problem (in Japanese) Sho Motegi, Hiroo Sekiya, Jing Ma, Kosuke Sanada, and Shiro Sakata IEICE Technical Committee on Radio Communication Systems, vol.112, no.351, pp.59-64, Dec. 2012. [Abstract | pdf] A multi-channel MAC protocol with pulse/Tone exchange for RTS collision avoidance (in Japanese) Ryo Manzoku, Hiroo Sekiya, Jing Ma, Kosuke Sanada, and Shiro Sakata IEICE Technical Committee on Radio Communication Systems, vol.112, no.351, pp.65-69, Dec. 2012. [Abstract | pdf] Non-saturated and Maximum Throughput Analysis for String Topology Wireless multi-hop Networks (in Japanese) Kosuke Sanada, Hiroo Sekiya, and Shiro Sakata IEICE Technical Committee on Network Systems, vol.112, no.350, pp.91-95, Dec. 2012. [Abstract | pdf] Non-saturated and maximum throughput analysis for string topology wireless multi-hop networks Kosuke Sanada, Hiroo Sekiya, and Shiro Sakata IEICE Technical Committee on Complex Communication Science, Korea Japan Joint Workshop, Nov. 2012. [Abstract | pdf] Back-off stage synchronization in the wireless multi-hop networks and the discussion (in Japanese) Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata IEICE Technical Committee on Complex Communication Sciences, vol.CCS-2012-006, pp.29-35, Aug. 2012. [Abstract | pdf] MAC protocol for smart-antenna-used ad hoc network without RTS/CTS handshake by using pulse/tone exchange (in Japanese) Jing MA, Hiroo SEKIYA, Nobuyoshi KOMURO, and Shiro SAKATA IEICE Technical Committee on Ad Hoc Networks, vol.112, no.122, pp.7-12, July 2012. [Abstract | pdf] Token generation rate based receiving opportunity control for QoS guarantee considering priority flows in wireless multi-hop network (in Japanese) Takuma Takase, Nobuyoshi Komuro, Shiro Sakata, Hiroo Sekiya, Shigeo Shioda, and Tsutomu Murase IEICE Technical Committee on Information Networks, vol.111, no.469, pp.25-30, Mar. 2012. [Abstract | pdf] Receiving-opportunity control-employed QoS guarantee scheme in WLAN with DCF and IEEE 802.11e terminals (in Japanese) Kosuke Watanabe, Nobuyoshi Komuro, Shiro Sakata, Hiroo Sekiya, Shigeo Shioda, and Tsutomu Murase IEICE Technical Committee on Information Networks, vol.111, no.469, pp.293-298, Mar. 2012. [Abstract | pdf] Analysis for wireless ad-hoc networks with frame drop (in Japanese) Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata IEICE Technical Committee on Network Systems,, vol.111, no.8, pp.13-18, Dec. 2011. [Abstract | pdf] Analysis for wireless ad-hoc networks with frame drop (in Japanese) Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata IEICE Technical Committee on Nonlinear Problems, vol.111, no.106, pp.35-40, June 2011. [Abstract | pdf] Coupling effect in IEEE 802.11 DCF wireless multi-hop network (in Japanese) Kosuke Sanada, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata IEICE Technical Committee on Network Systems, vol.111, no.8, pp.49-54, Apr. 2011. [Abstract | pdf] [Invited Talk] Throughput Analyses for IEEE802.11 Multi-Hop Networks (in Japanese) Hiroo SEKIYA, Nobuyoshi KOMURO, and Shiro SAKATA IEICE Technical Committee on Ad Hoc Networks, vol.110, no.129, pp.19-24, July 2010. [Abstract | pdf] Analysis of maximum throughput for RTS/CTS-used bidirectional wireless multi-hop networks (in Japanese) Takuya Sugimoto, Nobuyoshi Komuro, Hiroo Sekiya, and Shiro Sakata IEICE Technical Committee on Information Networks, vol.109, no.449, pp.217-222, Feb. 2010. [Abstract | pdf] MAC protocol for hidden terminal problem alleviation using transmission pause control in wireless multi hop networks (in Japanese) Shota Furukawa, Hiroo Sekiya, Nobuyoshi Komuro, and Shiro Sakata IEICE Technical Committee on Ad Hoc Networks, vol.109, no.274, pp.19-24, Oct. 2009. [Abstract | pdf] Subband division scheme in SLM for computation reduction (in Japanese) Tomoya Imamachi, Hiroo Sekiya, and Shiro Sakata IEICE Technical Committee on Communication Systems, vol.108, no.454, pp.19-24, Feb. 2009. [Abstract | pdf] Analysis of maximum throughput for RTS/CTS-used wireless multi-hop networks (in Japanese) Takuya Sugimoto, Masahiko Inaba, Hiroo Sekiya, Shiro Sakata, and Kengo Yagyu IEICE Technical Committee on Information Networks, vol.108, no.342, pp.91-96, Dec. 2008. [Abstract | pdf] QoS routing method in multichannel wireless hybrid networks (in Japanese) Atsushi Nagasaki, Hiroo Sekiya, Shiro Sakata, and Kengo Yagyu IEICE Technical Committee on Ad Hoc Networks, vol.108, no.251, pp.87-92, Oct. 2008. [Abstract | pdf] Low-complexity selected mapping schemes with subband division in OFDM systems (in Japanese) Tomoya Imamachi, Tatsuru Watanabe, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi IEICE Technical Committee on Radio Communication Systems, vol.107, no.438, pp.97-102, Jan. 2008. [Abstract | pdf] Analysis and experiments of maximum throughput in wireless multi-hop networks (in Japanese) Masahiko Inaba, Yoshihiro Tomita, Masaki Matsumoto, Hiroo Sekiya, Takashi Yahagi, Shiro Sakata, and Kengo Yagyu IEICE Technical Committee on Radio Communication Systems, pp.55-60, Dec. 2007. [Abstract | pdf] QoS aware and fairness aware MAC protocol in multihop network (in Japanese) Masaki Matsumoto, Hiroo Sekiya, Jianming Lu, Shiro Sakata, and Takashi Yahagi IEICE Technical Committee on Information Networks, pp.7-12, June 2006. [Abstract | pdf] Unfairness among stations in Wireless LAN Mesh Networks (in Japanese) Niida Hiroyuki, Nokphalinh Thamnuvong, Fujiwara Toshihide, Sekiya Hiroo, Sakata Shiro, Yahagi Takashi, Yagyu Kengo, and Fujiwara Atsushi IEICE Technical Committee on Information Networks, pp.1-6, June 2006. [Abstract | pdf] A study on adaptive modulation method for transmit power allocated V-BLAST7 (in Japanese) Yudai Kotsuta, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi IEICE Technical Committee on Radio Communication Systems, pp.83-87, Jan. 2006. [Abstract | pdf] Analysis of throughput in string multi hop network (in Japanese) Toshihide Fujiwara, Hiroo Sekiya, Kazuteru Namba, Jianming Lu, Takashi Yahagi, and Shiro Sakata IEICE Technical Committee on Radio Communication Systems, pp.47-52, Jan. 2006. [Abstract | pdf] Multiuser detection with branch-and-bound-based algorithm using user grouping for synchronous CDMA (in Japanese) Yusuke Takano, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi IEICE Technical Committee on Radio Communication Systems, pp.167-172, Jan. 2006. [Abstract | pdf] A MAC protocol for broadcasting in wireless networks of ad hoc nodes with heterogeneous power capabilities (in Japanese) Toshihide Fujiwara,Hiroo Sekiya, Masaki Bandai, Toshimichi Yokote, Jianming Lu, and Takashi Yahagi The 27th Symposium on Information Theory and Its Applications (SITA2004), pp.751-754, Dec. 2004. [Abstract | pdf] Pipelined successive interference cancellation with parallel processing for a DS/CDMA system (in Japanese) Toshimichi Yokote, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi IEICE Technical Committee on Wideband System, vol.103, no.138, pp.13-16, June 2003. [Abstract | pdf]