Takatoshi Sugiyama

96 papers B 12Journal 31Unranked 53

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	An OFDM Spectrum Suppressed Transmission Using FEC Metric Masking for LDPC Coding. APWCS Tatsuya Tanaka, Takatoshi Sugiyama
2025	—	`conf`	Feasibility of 256/1024-QAM Transmission under Time-Varying Self-Interference in Full-duplex Mobile Communications. APWCS Kazuma Matsushima, Hiroyuki Otsuka, Takatoshi Sugiyama
2025	—	`conf`	Optimal Layout of Three-sector Pico-BS with 3D-BF in mmWave HetNets. APWCS Naoto Inagaki, Hiroyuki Otsuka, Takatoshi Sugiyama
2025	—	`conf`	Performance Evaluation of A Cross-Link Interference Canceller for Dynamic TDD in Distributed Antenna Systems. APWCS Shotaro Ishimoto, Takatoshi Sugiyama, Hiroto Yamamoto, Daisei Uchida, Takafumi Fujita
2025	—	`conf`	Proposal of Multi-Stage Interference Canceller Against Adjacent Channel Interferences in NTNs. ICOIN Sana Kagaya, Yuki Kato, Takatoshi Sugiyama
2024	—	`conf`	Evaluation of Sum-product Decoding Iteration Number for LDPC Coding FEC in Spectrum Suppressed Transmission. ICTC Yuki Kurihara, Takatoshi Sugiyama
2024	—	`conf`	Transmission Power Ratio Optimization on Superposed Low-Speed CDMA Signal Transmission Over High-Speed OFDM Signal. ICTC Sana Kagaya, Takatoshi Sugiyama
2024	—	`conf`	UAV Flight Speed Control to Accommodate Multiple IoT Devices in UAV Multi-Hop Communications. ICTC Ruiyi Zhong, Takatoshi Sugiyama
2023	—	`conf`	3-Dimensional Drones' Allocation Control Based on Machine Learning in Multi-Hop Wireless Networks. ICTC Keisuke Imamura, Takatoshi Sugiyama
2023	J	`jnl`	CNN-based blind SIR classification framework for STPA-BAA spectrum superposing. ICT Express Hiroaki Kobayashi, Shun Kojima, Kazuki Maruta, Takatoshi Sugiyama, Chang-Jun Ahn
2023	J	`jnl`	Distribution approximation of covariance matrix eigenvalues. Commun. Stat. Simul. Comput. Shin-ichi Tsukada, Takatoshi Sugiyama
2023	—	`conf`	GPS Signal Transmission Interval Optimization in Relay-Type GPS. ICTC Koki Kurahashi, Takatoshi Sugiyama
2023	—	`conf`	Spectrum Suppressed Transmission Applied by Higher Coding Rate FEC. ICTC Yuki Kurihara, Takatoshi Sugiyama
2023	—	`conf`	Throughput Performances of UAV Multi-Hop Communications by Applying Link Adaptation. ICTC Ruiyi Zhong, Takatoshi Sugiyama
2022	—	`conf`	GPS Positioning Errors Improvements by The Pseudo Range Correction with An Actually Measured Parameter in Shinjuku Area. ICTC Koichi Saito, Takatoshi Sugiyama
2022	—	`conf`	New Drone's Flight Path Proposal to Reduce Information Delivery Time in DTN. ICTC Yuki Kato, Takatoshi Sugiyama
2022	—	`conf`	PAPR Performances in Spectrum Suppressed Transmission Applied by OQPSK. ICTC Teppei Kanke, Takatoshi Sugiyama
2021	—	`conf`	Calculated Distance Error Performances According to Actual GPS Measurements in Relay Type GPS. ICTC Kouhei Yoshida, Takatoshi Sugiyama
2021	—	`conf`	GPS Pseudo Range Correction by the Number of Reflections and Incident Angle Estimations. ICTC Koichi Saito, Takatoshi Sugiyama
2021	—	`conf`	PAPR Improvement by Clipping in Spectrum Suppressed Transmission. ICTC Teppei Kanke, Takatoshi Sugiyama
2021	—	`conf`	Separation Distance Performances between Ingenu and Wi-Fi Systems with Concatenated FEC. ICTC Kentaro Yamamoto, Takatoshi Sugiyama
2020	J	`jnl`	A Novel Drone's Height Control Algorithm for Throughput Optimization in Disaster Resilient Network. IEEE Trans. Veh. Technol. Miho Ishigami, Takatoshi Sugiyama
2020	—	`conf`	Calculated Distance Error Improvement by Using Drones in Relay Type GPS. ICTC Kouhei Yoshida, Takatoshi Sugiyama
2020	—	`conf`	Computationally Efficient SLM based PAPR Reduction for STPA-BAA Scheme. WPMC Hiroaki Kobayashi, Kazuki Maruta, Takatoshi Sugiyama, Chang-Jun Ahn
2020	—	`conf`	IEEE802.11 priority control by using even-odd selection backoff slot in a home environment. ICTC Yuki Kawahara, Takatoshi Sugiyama
2020	J	`jnl`	System Throughput Gain by New Channel Allocation Scheme for Spectrum Suppressed Transmission in Multi-Channel Environments over a Satellite Transponder. IEICE Trans. Commun. Sumika Omata, Motoi Shirai, Takatoshi Sugiyama
2019	—	`conf`	Calculated Distance Error Improvement by Using Received Signal Power Mask in Relay Type GPS. VTC Fall Norifumi Murai, Toshinari Hayakawa, Takatoshi Sugiyama
2019	J	`jnl`	Estimation of the threshold parameter of a wear-out failure period in the case of a three-parameter Weibull distribution. Int. J. Knowl. Eng. Soft Data Paradigms Takatoshi Sugiyama, Toru Ogura, Takakazu Sugiyama
2019	—	`conf`	GPS Calculated Distance Error Improvement by Planar Approximation of Pseudo Range in Many Skyscrapers Environments. VTC Fall Toshinari Hayakawa, Norifumi Murai, Takatoshi Sugiyama
2019	—	`conf`	PAPR and BER Performances of Direct Spectrum Division Transmission Applied by Clipping and Filtering in ACI Environment. VTC Fall Sumika Omata, Motoi Shirai, Takatoshi Sugiyama, Izumi Urata, Fumihiro Yamashita
2019	—	`conf`	Priority control method by using non-uniform backoff slot probability in IEEE802.11 WLAN. ICTC Yuki Kawahara, Takatoshi Sugiyama
2018	—	`conf`	Calculated Distance Error Improvement by Using Elevation Mask in Relay Type GPS. ICTC Norifumi Murai, Takatoshi Sugiyama
2018	—	`conf`	Frequency Utilization Efficiency Improvement by Using MLD in Spectrum Suppressed Transmission. ICSPCS Motoi Shirai, Sumika Omata, Takatoshi Sugiyama
2018	—	`conf`	Pseudo Range Estimation Model Based on Received GPS Signal Power in Many Skyscrapers Environments. ICTC Toshinari Hayakawa, Norifumi Murai, Takatoshi Sugiyama
2017	—	`conf`	PAPR characteristics in spectrum suppressed transmission and transmission quality improvement by equalization. WPMC Motoi Shirai, Takatoshi Sugiyama, Jun-ichi Abe, Kouhei Suzuki, Hiroyuki Shiba
2017	—	`conf`	Proposal of relay type GPS using many mobile terminals. ICTC Norifumi Murai, Takatoshi Sugiyama
2017	J	`jnl`	Throughput Enhancement for SATCOM Systems Using Dynamic Spectrum Controlled Channel Allocation under Variable Propagation Conditions. IEICE Trans. Commun. Katsuya Nakahira, Jun Mashino, Jun-ichi Abe, Daisuke Murayama, Tadao Nakagawa, Takatoshi Sugiyama
2017	J	`jnl`	Undesired Radiation Suppression Technique for Distributed Array Antenna by Antenna Positioning and Delay Signal Processing. IEICE Trans. Commun. Kouhei Suzuki, Hideya So, Daisuke Goto, Yoshinori Suzuki, Fumihiro Yamashita, Katsuya Nakahira, Kiyoshi Kobayashi, Takatoshi Sugiyama
2015	J	`jnl`	Blind Interference Suppression Scheme by Eigenvector Beamspace CMA Adaptive Array with Subcarrier Transmission Power Assignment for Spectrum Superposing. IEICE Trans. Commun. Kazuki Maruta, Jun Mashino, Takatoshi Sugiyama
2015	—	`conf`	Broadband Multi-Satellite/Multi-Beam System with Single Frequency Reuse. VTC Spring Daisuke Goto, Fumihiro Yamashita, Takatoshi Sugiyama, Kiyoshi Kobayashi
2015	J	`jnl`	Dynamic Replication and Forwarding Control Based on Node Surroundings in Cooperative Delay-Tolerant Networks. IEEE Trans. Parallel Distributed Syst. Hiroki Nishiyama, Asato Takahashi, Nei Kato, Katsuya Nakahira, Takatoshi Sugiyama
2015	J	`jnl`	Hybrid Station Aided Coexistence Scheme between Wireless PANs and Wireless LAN. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Fumihiro Inoue, Takayuki Nishio, Masahiro Morikura, Koji Yamamoto, Fusao Nuno, Takatoshi Sugiyama
2015	J	`jnl`	Iterative estimation of undesired signal power for superposed multicarrier transmission with channel estimation error. EURASIP J. Wirel. Commun. Netw. Yohei Shibata, Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama
2015	J	`jnl`	Path Loss Variation Characteristics at 26GHz Band in Street Microcell Environment. IEICE Trans. Commun. Motoharu Sasaki, Wataru Yamada, Takatoshi Sugiyama, Tetsuro Imai
2015	—	`conf`	Performance Evaluation of SSB Transmission of DFTs-OFDM Using Multi-Level BPSK through Nonlinear HPA. VTC Spring Masahiro Umehira, Shigeki Nihei, Hirokazu Fusayasu, Teruyuki Miyajima, Shigeki Takeda, Jun Mashino, Takatoshi Sugiyama
2014	—	`conf`	Applying FFR to Inter-Cell Interference Cancellation with Quasi-Decentralized Base Station Cooperation. VTC Spring Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
2014	—	`conf`	Experimental evaluation using prototype of autologous spectrum regenerating equalization for sub-spectrum suppressed transmission. ICC Jun Mashino, Jun-ichi Abe, Takatoshi Sugiyama
2014	—	`conf`	Indoor propagation model for TV white space. CrownCom Wataru Yamada, Motoharu Sasaki, Takatoshi Sugiyama, Oliver Holland, Shuyu Ping, Bright Yeboah-Akowuah, Jiwon Hwang, Hamid Aghvami
2014	B	`conf`	Interference suppression using EM algorithm in OFDM transmissions. GLOBECOM Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama
2014	B	`conf`	Iterative estimation of undesired signal power for superposed multicarrier transmission with channel estimation error. PIMRC Yohei Shibata, Naotoshi Yoda, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama
2014	J	`jnl`	Multiband Sector Antenna with the Same Beamwidth Employing Multiple Woodpile Metamaterial Reflectors. IEICE Trans. Electron. Hideya So, Atsuya Ando, Tomohiro Seki, Munenari Kawashima, Takatoshi Sugiyama
2014	J	`jnl`	Path Loss Model for Low Antenna Heights in Residential Areas at Middle VHF Band. IEICE Trans. Commun. Motoharu Sasaki, Wataru Yamada, Naoki Kita, Takatoshi Sugiyama
2014	J	`jnl`	Replication Control for Ensuring Reliability of Convergecast Message Delivery in Infrastructure-Aided DTNs. IEEE Trans. Veh. Technol. Asato Takahashi, Hiroki Nishiyama, Nei Kato, Katsuya Nakahira, Takatoshi Sugiyama
2014	J	`jnl`	Virtual Continuous CWmin Control Scheme of WLAN. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Yuki Sangenya, Fumihiro Inoue, Masahiro Morikura, Koji Yamamoto, Fusao Nuno, Takatoshi Sugiyama
2013	—	`conf`	A QoS Control Scheme Using Dynamic Window Size Control for Wide Area Ubiquitous Wireless Networks. VTC Fall Fusao Nuno, Takatoshi Sugiyama, Masahiro Morikura
2013	B	`conf`	Interference detection technique using robust LLR for superposed multicarrier transmission. PIMRC Naotoshi Yoda, Genji Hayashi, Tomoaki Ohtsuki, Jun Mashino, Takatoshi Sugiyama
2013	—	`conf`	Novel coexistence scheme between wireless sensor network and wireless LAN for HEMS. SmartGridComm Fumihiro Inoue, Masahiro Morikura, Takayuki Nishio, Koji Yamamoto, Fusao Nuno, Takatoshi Sugiyama
2013	J	`jnl`	Path Loss Model with Low Antenna Height for Microwave Bands in Residential Areas. IEICE Trans. Commun. Motoharu Sasaki, Wataru Yamada, Naoki Kita, Takatoshi Sugiyama
2013	—	`conf`	Robust projection method for a mobile robot with a camera and a projector based on a structured-environment approach - Experiments of the modified method considering a distance between a marker and a robot. RoMoCo Kazuya Tsuji, Takatoshi Sugiyama, Kazuhiro Taniguchi, Satoshi Iwaki
2012	J	`jnl`	A Highly Efficient DAMA Algorithm for Making Maximum Use of both Satellite Transponder Bandwidth and Transmission Power. IEICE Trans. Commun. Katsuya Nakahira, Takatoshi Sugiyama, Hiroki Nishiyama, Nei Kato
2012	B	`conf`	Autologous spectrum regeneration optimization on sub-spectrum suppressed transmission for single-carrier satellite modem. GLOBECOM Jun Mashino, Jun-ichi Abe, Takatoshi Sugiyama
2012	J	`jnl`	Implementation of a TDMA Based Wireless Network Coding Prototype System with Ethernet Frame Aggregation. IEICE Trans. Commun. Nobuaki Otsuki, Takatoshi Sugiyama
2012	—	`conf`	Iterative Inter-Cluster Interference Cancellation for Cooperative Base Station Systems. VTC Spring Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
2012	J	`jnl`	Novel Channel Allocation Algorithm Using Spectrum Control Technique for Effective Usage of both Satellite Transponder Bandwidth and Satellite Transmission Power. IEICE Trans. Commun. Katsuya Nakahira, Jun-ichi Abe, Jun Mashino, Takatoshi Sugiyama
2012	J	`jnl`	Novel Polarization-Tracking-Free Mobile Satellite Communication Systems and On-Ground Polarization-Forming Technique. IEICE Trans. Commun. Yoshinori Suzuki, Takatoshi Sugiyama, Kiyoshi Kobayashi
2012	—	`conf`	Performance Evaluation of TDMA Based Wireless Network Coding Prototype System. VTC Fall Nobuaki Otsuki, Takatoshi Sugiyama
2012	B	`conf`	QoS control scheme that uses back pressure traffic control for wireless LANs. PIMRC Fusao Nuno, Takatoshi Sugiyama, Masahiro Morikura
2012	J	`jnl`	Spectral Efficiency Improvement of Fractional Frequency Reuse by Inter-Cell Interference Cancellation on Cooperative Base Station. IEICE Trans. Commun. Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
2012	—	`conf`	Superposed Band Detection Based on Error Probability Using Initial Likelihood Masking. VTC Spring Tomoaki Ohtsuki, Genji Hayashi, Jun Mashino, Takatoshi Sugiyama
2012	J	`jnl`	Wireless Network Coding Diversity Technique Based on Hybrid AF/DF Relay Method Employing Adaptive Power Control at Relay Node for Bidirectional Two-Hop Wireless Networks. IEICE Trans. Commun. Nobuaki Otsuki, Takatoshi Sugiyama
2011	—	`conf`	A New ACK Packet Transmission Scheme for Wireless Network Coding Systems Based on IEEE802.11a. VTC Spring Nobuaki Otsuki, Takatoshi Sugiyama
2011	—	`conf`	A Sub-Spectrum Suppressed Transmission Scheme for Highly Efficient Satellite Communications. VTC Fall Jun Mashino, Takatoshi Sugiyama
2011	—	`conf`	Method for Applying Interlink Correlation to Multilink MIMO Propagation Channel Estimation. VTC Spring Wataru Yamada, Naoki Kita, Motoharu Sasaki, Takatoshi Sugiyama
2011	—	`conf`	New throughput analysis of long-distance IEEE 802.11 wireless communication system for smart grid. SmartGridComm Masaaki Tanaka, Daisuke Umehara, Masahiro Morikura, Nobuaki Otsuki, Takatoshi Sugiyama
2011	—	`conf`	Novel length aware packet aggregation and coding scheme for multi-hop wireless LANs. ICSPCS Yuki Sangenya, Daisuke Umehara, Masahiro Morikura, Nobuaki Otsuki, Takatoshi Sugiyama
2011	J	`jnl`	Performance analysis of slotted ALOHA and network coding for single-relay multi-user wireless networks. Ad Hoc Networks Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama
2011	—	`conf`	Subcarrier Suppressed Transmission for OFDMA in Satellite/Terrestrial Integrated Mobile Communication System. ICC Jun Mashino, Takatoshi Sugiyama
2010	J	`jnl`	Enhancement of CSMA/CA and Network Coding in Single-Relay Multi-User Wireless Networks. IEICE Trans. Commun. Chun-Hsiang Huang, Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama
2010	—	`conf`	Subcarrier Suppressed Transmission Scheme for Satellite/Terrestrial Integrated Mobile Communication System. VTC Fall Jun Mashino, Yushi Shirato, Takatoshi Sugiyama
2010	—	`conf`	Throughput Analysis of Two-Hop Wireless CSMA Network Coding. ICC Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama
2009	—	`conf`	Achievable Region in Slotted ALOHA Throughput for One-Relay Two-Hop Wireless Network Coding. ADHOCNETS Daisuke Umehara, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama
2009	—	`conf`	Analysis of Network Coding in Slotted ALOHA with Two-Hop Bidirectional Traffic. ICC Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama
2009	J	`jnl`	Plane-Wave and Vector-Rotation Approximation Technique for Reducing Computational Complexity to Simulate MIMO Propagation Channel Using Ray-Tracing. IEICE Trans. Commun. Wataru Yamada, Naoki Kita, Takatoshi Sugiyama, Toshio Nojima
2009	B	`conf`	Total frequency utilization efficiency improvement by superposed multicarrier transmission scheme. PIMRC Jun Mashino, Takatoshi Sugiyama
2009	J	`jnl`	Wireless network coding in slotted aloha with two-hop unbalanced traffic. IEEE J. Sel. Areas Commun. Daisuke Umehara, Tomoya Hirano, Satoshi Denno, Masahiro Morikura, Takatoshi Sugiyama
2008	B	`conf`	Propagation characteristic prediction method confirmed by propagation measurement for indoor MIMO cooperative transmission systems. PIMRC Wataru Yamada, Naoki Kita, Takatoshi Sugiyama, Toshio Nojima
2007	B	`conf`	Hidden Node Problem Aware Routing Metric for Wireless LAN Mesh Networks. PIMRC Jaturong Sangiamwong, Takatoshi Sugiyama
2005	J	`jnl`	A Reduced-Complexity Signal Detection Scheme Employing ZF and K-Best Algorithms for OFDM/SDM. IEICE Trans. Commun. Takafumi Fujita, Atsushi Ohta, Takeshi Onizawa, Takatoshi Sugiyama
2005	J	`jnl`	Implementation and Performance Evaluation of Simple SDM-COFDM Prototype Using Propagation Coefficient Matrix Tracking for Fast Fading MIMO Channels. IEICE Trans. Commun. Takatoshi Sugiyama, Satoshi Kurosaki, Daisei Uchida, Yusuke Asai, Masahiro Umehira
2004	B	`conf`	A new signal detection scheme combining ZF and K-best algorithms for OFDM/SDM. PIMRC Tukafunzi Fujita, Takeshi Onizawa, Wenjie Jiang, Daisei Uchida, Takatoshi Sugiyama, Atsushi Ohta
2004	B	`conf`	Development of SDM-COFDM prototype employing a hierarchical ICI canceller for MIMO-based broadband wireless access systems. WCNC Takatoshi Sugiyama, Satoshi Kurosaki, Yusuke Asai, Daisei Uchida, Masahiro Umehira
2003	B	`conf`	Development of a novel SDM-COFDM prototype for broadband wireless access systems. WCNC Takatoshi Sugiyama, Satoshi Kurosaki, Yusuke Asai, Masahiro Umehira
2002	J	`jnl`	OFDM/CDMA Technologies for Future Broadband Mobile Communication Systems. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Masahiro Umehira, Takatoshi Sugiyama
2002	—	`conf`	SDM-COFDM scheme using feed-forward inter-channel interference canceller for broadband mobile communications. VTC Spring Satoshi Kurosaki, Yusuke Asai, Takatoshi Sugiyama, Masahiro Umehira
1999	J	`jnl`	Prototype AWA: design and implementation of a high speed ATM wireless access system using 25 GHz band. Comput. Networks Toshihiro Manabe, Takatoshi Sugiyama, Atsushi Ohta, Fusao Nuno, Hiroyuki Suzuki, Shuta Uwano, Satoru Aikawa, Masahiro Umehira
1994	B	`conf`	Pe performance of a half chip offset QPSK modulation CDMA scheme for wireless LAN systems. PIMRC Takatoshi Sugiyama, Masato Mizoguchi, Shuji Kubota, Shuzo Kato