Pe performance of a half chip offset QPSK modulation CDMA scheme for wireless LAN systems. - Takatoshi Sugiyama; Masato Mizoguchi; Shuji Kubota; Shuzo Kato (PIMRC, 1994)

Prototype AWA: design and implementation of a high speed ATM wireless access system using 25 GHz band. - Toshihiro Manabe; Takatoshi Sugiyama; Atsushi Ohta; Fusao Nuno; Hiroyuki Suzuki; Shuta Uwano; Satoru Aikawa; Masahiro Umehira (Comput. Networks, 1999)

SDM-COFDM scheme using feed-forward inter-channel interference canceller for broadband mobile communications. - Satoshi Kurosaki; Yusuke Asai; Takatoshi Sugiyama; Masahiro Umehira (VTC Spring, 2002)

OFDM/CDMA Technologies for Future Broadband Mobile Communication Systems. - Masahiro Umehira; Takatoshi Sugiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Development of a novel SDM-COFDM prototype for broadband wireless access systems. - Takatoshi Sugiyama; Satoshi Kurosaki; Yusuke Asai; Masahiro Umehira (WCNC, 2003)

A new signal detection scheme combining ZF and K-best algorithms for OFDM/SDM. - Tukafunzi Fujita; Takeshi Onizawa; Wenjie Jiang 002; Daisei Uchida; Takatoshi Sugiyama; Atsushi Ohta (PIMRC, 2004)

Development of SDM-COFDM prototype employing a hierarchical ICI canceller for MIMO-based broadband wireless access systems. - Takatoshi Sugiyama; Satoshi Kurosaki; Yusuke Asai; Daisei Uchida; Masahiro Umehira (WCNC, 2004)

A Reduced-Complexity Signal Detection Scheme Employing ZF and K-Best Algorithms for OFDM/SDM. - Takafumi Fujita; Atsushi Ohta; Takeshi Onizawa; Takatoshi Sugiyama (IEICE Trans. Commun., 2005)

Implementation and Performance Evaluation of Simple SDM-COFDM Prototype Using Propagation Coefficient Matrix Tracking for Fast Fading MIMO Channels. - Takatoshi Sugiyama; Satoshi Kurosaki; Daisei Uchida; Yusuke Asai; Masahiro Umehira (IEICE Trans. Commun., 2005)

Hidden Node Problem Aware Routing Metric for Wireless LAN Mesh Networks. - Jaturong Sangiamwong; Takatoshi Sugiyama (PIMRC, 2007)

Propagation characteristic prediction method confirmed by propagation measurement for indoor MIMO cooperative transmission systems. - Wataru Yamada; Naoki Kita; Takatoshi Sugiyama; Toshio Nojima (PIMRC, 2008)

Achievable Region in Slotted ALOHA Throughput for One-Relay Two-Hop Wireless Network Coding. - Daisuke Umehara; Satoshi Denno; Masahiro Morikura; Takatoshi Sugiyama (ADHOCNETS, 2009)

Analysis of Network Coding in Slotted ALOHA with Two-Hop Bidirectional Traffic. - Daisuke Umehara; Tomoya Hirano; Satoshi Denno; Masahiro Morikura; Takatoshi Sugiyama (ICC, 2009)

Total frequency utilization efficiency improvement by superposed multicarrier transmission scheme. - Jun Mashino; Takatoshi Sugiyama (PIMRC, 2009)

Plane-Wave and Vector-Rotation Approximation Technique for Reducing Computational Complexity to Simulate MIMO Propagation Channel Using Ray-Tracing. - Wataru Yamada; Naoki Kita; Takatoshi Sugiyama; Toshio Nojima (IEICE Trans. Commun., 2009)

Wireless network coding in slotted aloha with two-hop unbalanced traffic. - Daisuke Umehara; Tomoya Hirano; Satoshi Denno; Masahiro Morikura; Takatoshi Sugiyama (IEEE J. Sel. Areas Commun., 2009)

Throughput Analysis of Two-Hop Wireless CSMA Network Coding. - Daisuke Umehara; Satoshi Denno; Masahiro Morikura; Takatoshi Sugiyama (ICC, 2010)

Subcarrier Suppressed Transmission Scheme for Satellite/Terrestrial Integrated Mobile Communication System. - Jun Mashino; Yushi Shirato; Takatoshi Sugiyama (VTC Fall, 2010)

Enhancement of CSMA/CA and Network Coding in Single-Relay Multi-User Wireless Networks. - Chun-Hsiang Huang; Daisuke Umehara; Satoshi Denno; Masahiro Morikura; Takatoshi Sugiyama (IEICE Trans. Commun., 2010)

Subcarrier Suppressed Transmission for OFDMA in Satellite/Terrestrial Integrated Mobile Communication System. - Jun Mashino; Takatoshi Sugiyama (ICC, 2011)

Novel length aware packet aggregation and coding scheme for multi-hop wireless LANs. - Yuki Sangenya; Daisuke Umehara; Masahiro Morikura; Nobuaki Otsuki; Takatoshi Sugiyama (ICSPCS, 2011)

New throughput analysis of long-distance IEEE 802.11 wireless communication system for smart grid. - Masaaki Tanaka; Daisuke Umehara; Masahiro Morikura; Nobuaki Otsuki; Takatoshi Sugiyama (SmartGridComm, 2011)

A Sub-Spectrum Suppressed Transmission Scheme for Highly Efficient Satellite Communications. - Jun Mashino; Takatoshi Sugiyama (VTC Fall, 2011)

A New ACK Packet Transmission Scheme for Wireless Network Coding Systems Based on IEEE802.11a. - Nobuaki Otsuki; Takatoshi Sugiyama (VTC Spring, 2011)

Method for Applying Interlink Correlation to Multilink MIMO Propagation Channel Estimation. - Wataru Yamada; Naoki Kita; Motoharu Sasaki; Takatoshi Sugiyama (VTC Spring, 2011)

Performance analysis of slotted ALOHA and network coding for single-relay multi-user wireless networks. - Daisuke Umehara; Satoshi Denno; Masahiro Morikura; Takatoshi Sugiyama (Ad Hoc Networks, 2011)

Autologous spectrum regeneration optimization on sub-spectrum suppressed transmission for single-carrier satellite modem. - Jun Mashino; Jun-ichi Abe; Takatoshi Sugiyama (GLOBECOM, 2012)

QoS control scheme that uses back pressure traffic control for wireless LANs. - Fusao Nuno; Takatoshi Sugiyama; Masahiro Morikura (PIMRC, 2012)

Iterative Inter-Cluster Interference Cancellation for Cooperative Base Station Systems. - Kazuki Maruta; Atsushi Ohta; Masataka Iizuka; Takatoshi Sugiyama (VTC Spring, 2012)

Superposed Band Detection Based on Error Probability Using Initial Likelihood Masking. - Tomoaki Ohtsuki; Genji Hayashi; Jun Mashino; Takatoshi Sugiyama (VTC Spring, 2012)

Performance Evaluation of TDMA Based Wireless Network Coding Prototype System. - Nobuaki Otsuki; Takatoshi Sugiyama (VTC Fall, 2012)

Spectral Efficiency Improvement of Fractional Frequency Reuse by Inter-Cell Interference Cancellation on Cooperative Base Station. - Kazuki Maruta; Atsushi Ohta; Masataka Iizuka; Takatoshi Sugiyama (IEICE Trans. Commun., 2012)

Novel Channel Allocation Algorithm Using Spectrum Control Technique for Effective Usage of both Satellite Transponder Bandwidth and Satellite Transmission Power. - Katsuya Nakahira; Jun-ichi Abe; Jun Mashino; Takatoshi Sugiyama (IEICE Trans. Commun., 2012)

A Highly Efficient DAMA Algorithm for Making Maximum Use of both Satellite Transponder Bandwidth and Transmission Power. - Katsuya Nakahira; Takatoshi Sugiyama; Hiroki Nishiyama 001; Nei Kato (IEICE Trans. Commun., 2012)

Implementation of a TDMA Based Wireless Network Coding Prototype System with Ethernet Frame Aggregation. - Nobuaki Otsuki; Takatoshi Sugiyama (IEICE Trans. Commun., 2012)

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. - Nobuaki Otsuki; Takatoshi Sugiyama (IEICE Trans. Commun., 2012)

Novel Polarization-Tracking-Free Mobile Satellite Communication Systems and On-Ground Polarization-Forming Technique. - Yoshinori Suzuki; Takatoshi Sugiyama; Kiyoshi Kobayashi (IEICE Trans. Commun., 2012)

Interference detection technique using robust LLR for superposed multicarrier transmission. - Naotoshi Yoda; Genji Hayashi; Tomoaki Ohtsuki; Jun Mashino; Takatoshi Sugiyama (PIMRC, 2013)

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. - Kazuya Tsuji; Takatoshi Sugiyama; Kazuhiro Taniguchi; Satoshi Iwaki (RoMoCo, 2013)

Novel coexistence scheme between wireless sensor network and wireless LAN for HEMS. - Fumihiro Inoue; Masahiro Morikura; Takayuki Nishio; Koji Yamamoto 001; Fusao Nuno; Takatoshi Sugiyama (SmartGridComm, 2013)

A QoS Control Scheme Using Dynamic Window Size Control for Wide Area Ubiquitous Wireless Networks. - Fusao Nuno; Takatoshi Sugiyama; Masahiro Morikura (VTC Fall, 2013)

Path Loss Model with Low Antenna Height for Microwave Bands in Residential Areas. - Motoharu Sasaki; Wataru Yamada; Naoki Kita; Takatoshi Sugiyama (IEICE Trans. Commun., 2013)

Indoor propagation model for TV white space. - Wataru Yamada; Motoharu Sasaki; Takatoshi Sugiyama; Oliver Holland; Shuyu Ping; Bright Yeboah-Akowuah; Jiwon Hwang; Hamid Aghvami (CrownCom, 2014)

Interference suppression using EM algorithm in OFDM transmissions. - Naotoshi Yoda; Tomoaki Ohtsuki; Jun Mashino; Takatoshi Sugiyama (GLOBECOM, 2014)

Experimental evaluation using prototype of autologous spectrum regenerating equalization for sub-spectrum suppressed transmission. - Jun Mashino; Jun-ichi Abe; Takatoshi Sugiyama (ICC, 2014)

Applying FFR to Inter-Cell Interference Cancellation with Quasi-Decentralized Base Station Cooperation. - Kazuki Maruta; Atsushi Ohta; Masataka Iizuka; Takatoshi Sugiyama (VTC Spring, 2014)

Virtual Continuous CWmin Control Scheme of WLAN. - Yuki Sangenya; Fumihiro Inoue; Masahiro Morikura; Koji Yamamoto 001; Fusao Nuno; Takatoshi Sugiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Path Loss Model for Low Antenna Heights in Residential Areas at Middle VHF Band. - Motoharu Sasaki; Wataru Yamada; Naoki Kita; Takatoshi Sugiyama (IEICE Trans. Commun., 2014)

Multiband Sector Antenna with the Same Beamwidth Employing Multiple Woodpile Metamaterial Reflectors. - Hideya So; Atsuya Ando; Tomohiro Seki; Munenari Kawashima; Takatoshi Sugiyama (IEICE Trans. Electron., 2014)

Replication Control for Ensuring Reliability of Convergecast Message Delivery in Infrastructure-Aided DTNs. - Asato Takahashi; Hiroki Nishiyama 001; Nei Kato; Katsuya Nakahira; Takatoshi Sugiyama (IEEE Trans. Veh. Technol., 2014)

Broadband Multi-Satellite/Multi-Beam System with Single Frequency Reuse. - Daisuke Goto; Fumihiro Yamashita; Takatoshi Sugiyama; Kiyoshi Kobayashi (VTC Spring, 2015)

Performance Evaluation of SSB Transmission of DFTs-OFDM Using Multi-Level BPSK through Nonlinear HPA. - Masahiro Umehira; Shigeki Nihei; Hirokazu Fusayasu; Teruyuki Miyajima; Shigeki Takeda; Jun Mashino; Takatoshi Sugiyama (VTC Spring, 2015)

Iterative estimation of undesired signal power for superposed multicarrier transmission with channel estimation error. - Yohei Shibata; Naotoshi Yoda; Tomoaki Ohtsuki; Jun Mashino; Takatoshi Sugiyama (EURASIP J. Wirel. Commun. Netw., 2015)

Hybrid Station Aided Coexistence Scheme between Wireless PANs and Wireless LAN. - Fumihiro Inoue; Takayuki Nishio; Masahiro Morikura; Koji Yamamoto 001; Fusao Nuno; Takatoshi Sugiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Blind Interference Suppression Scheme by Eigenvector Beamspace CMA Adaptive Array with Subcarrier Transmission Power Assignment for Spectrum Superposing. - Kazuki Maruta; Jun Mashino; Takatoshi Sugiyama (IEICE Trans. Commun., 2015)

Path Loss Variation Characteristics at 26GHz Band in Street Microcell Environment. - Motoharu Sasaki; Wataru Yamada; Takatoshi Sugiyama; Tetsuro Imai (IEICE Trans. Commun., 2015)

Dynamic Replication and Forwarding Control Based on Node Surroundings in Cooperative Delay-Tolerant Networks. - Hiroki Nishiyama 001; Asato Takahashi; Nei Kato; Katsuya Nakahira; Takatoshi Sugiyama (IEEE Trans. Parallel Distributed Syst., 2015)

Proposal of relay type GPS using many mobile terminals. - Norifumi Murai; Takatoshi Sugiyama (ICTC, 2017)

PAPR characteristics in spectrum suppressed transmission and transmission quality improvement by equalization. - Motoi Shirai; Takatoshi Sugiyama; Jun-ichi Abe; Kouhei Suzuki; Hiroyuki Shiba (WPMC, 2017)

Throughput Enhancement for SATCOM Systems Using Dynamic Spectrum Controlled Channel Allocation under Variable Propagation Conditions. - Katsuya Nakahira; Jun Mashino; Jun-ichi Abe; Daisuke Murayama; Tadao Nakagawa; Takatoshi Sugiyama (IEICE Trans. Commun., 2017)

Undesired Radiation Suppression Technique for Distributed Array Antenna by Antenna Positioning and Delay Signal Processing. - Kouhei Suzuki; Hideya So; Daisuke Goto; Yoshinori Suzuki; Fumihiro Yamashita; Katsuya Nakahira; Kiyoshi Kobayashi; Takatoshi Sugiyama (IEICE Trans. Commun., 2017)

Frequency Utilization Efficiency Improvement by Using MLD in Spectrum Suppressed Transmission. - Motoi Shirai; Sumika Omata; Takatoshi Sugiyama (ICSPCS, 2018)

Pseudo Range Estimation Model Based on Received GPS Signal Power in Many Skyscrapers Environments. - Toshinari Hayakawa; Norifumi Murai; Takatoshi Sugiyama (ICTC, 2018)

Calculated Distance Error Improvement by Using Elevation Mask in Relay Type GPS. - Norifumi Murai; Takatoshi Sugiyama (ICTC, 2018)

Priority control method by using non-uniform backoff slot probability in IEEE802.11 WLAN. - Yuki Kawahara; Takatoshi Sugiyama (ICTC, 2019)

GPS Calculated Distance Error Improvement by Planar Approximation of Pseudo Range in Many Skyscrapers Environments. - Toshinari Hayakawa; Norifumi Murai; Takatoshi Sugiyama (VTC Fall, 2019)

Calculated Distance Error Improvement by Using Received Signal Power Mask in Relay Type GPS. - Norifumi Murai; Toshinari Hayakawa; Takatoshi Sugiyama (VTC Fall, 2019)

PAPR and BER Performances of Direct Spectrum Division Transmission Applied by Clipping and Filtering in ACI Environment. - Sumika Omata; Motoi Shirai; Takatoshi Sugiyama; Izumi Urata; Fumihiro Yamashita (VTC Fall, 2019)

Estimation of the threshold parameter of a wear-out failure period in the case of a three-parameter Weibull distribution. - Takatoshi Sugiyama; Toru Ogura; Takakazu Sugiyama (Int. J. Knowl. Eng. Soft Data Paradigms, 2019)

IEEE802.11 priority control by using even-odd selection backoff slot in a home environment. - Yuki Kawahara; Takatoshi Sugiyama (ICTC, 2020)

Calculated Distance Error Improvement by Using Drones in Relay Type GPS. - Kouhei Yoshida; Takatoshi Sugiyama (ICTC, 2020)

Computationally Efficient SLM based PAPR Reduction for STPA-BAA Scheme. - Hiroaki Kobayashi; Kazuki Maruta; Takatoshi Sugiyama; Chang-Jun Ahn (WPMC, 2020)

System Throughput Gain by New Channel Allocation Scheme for Spectrum Suppressed Transmission in Multi-Channel Environments over a Satellite Transponder. - Sumika Omata; Motoi Shirai; Takatoshi Sugiyama (IEICE Trans. Commun., 2020)

A Novel Drone's Height Control Algorithm for Throughput Optimization in Disaster Resilient Network. - Miho Ishigami; Takatoshi Sugiyama (IEEE Trans. Veh. Technol., 2020)

PAPR Improvement by Clipping in Spectrum Suppressed Transmission. - Teppei Kanke; Takatoshi Sugiyama (ICTC, 2021)

GPS Pseudo Range Correction by the Number of Reflections and Incident Angle Estimations. - Koichi Saito; Takatoshi Sugiyama (ICTC, 2021)

Separation Distance Performances between Ingenu and Wi-Fi Systems with Concatenated FEC. - Kentaro Yamamoto; Takatoshi Sugiyama (ICTC, 2021)

Calculated Distance Error Performances According to Actual GPS Measurements in Relay Type GPS. - Kouhei Yoshida; Takatoshi Sugiyama (ICTC, 2021)

PAPR Performances in Spectrum Suppressed Transmission Applied by OQPSK. - Teppei Kanke; Takatoshi Sugiyama (ICTC, 2022)

New Drone's Flight Path Proposal to Reduce Information Delivery Time in DTN. - Yuki Kato; Takatoshi Sugiyama (ICTC, 2022)

GPS Positioning Errors Improvements by The Pseudo Range Correction with An Actually Measured Parameter in Shinjuku Area. - Koichi Saito; Takatoshi Sugiyama (ICTC, 2022)

3-Dimensional Drones' Allocation Control Based on Machine Learning in Multi-Hop Wireless Networks. - Keisuke Imamura; Takatoshi Sugiyama (ICTC, 2023)

GPS Signal Transmission Interval Optimization in Relay-Type GPS. - Koki Kurahashi; Takatoshi Sugiyama (ICTC, 2023)

Spectrum Suppressed Transmission Applied by Higher Coding Rate FEC. - Yuki Kurihara; Takatoshi Sugiyama (ICTC, 2023)

Throughput Performances of UAV Multi-Hop Communications by Applying Link Adaptation. - Ruiyi Zhong; Takatoshi Sugiyama (ICTC, 2023)

CNN-based blind SIR classification framework for STPA-BAA spectrum superposing. - Hiroaki Kobayashi; Shun Kojima; Kazuki Maruta; Takatoshi Sugiyama; Chang-Jun Ahn (ICT Express, 2023)

Distribution approximation of covariance matrix eigenvalues. - Shin-ichi Tsukada; Takatoshi Sugiyama (Commun. Stat. Simul. Comput., 2023)

Transmission Power Ratio Optimization on Superposed Low-Speed CDMA Signal Transmission Over High-Speed OFDM Signal. - Sana Kagaya; Takatoshi Sugiyama (ICTC, 2024)

Evaluation of Sum-product Decoding Iteration Number for LDPC Coding FEC in Spectrum Suppressed Transmission. - Yuki Kurihara; Takatoshi Sugiyama (ICTC, 2024)

UAV Flight Speed Control to Accommodate Multiple IoT Devices in UAV Multi-Hop Communications. - Ruiyi Zhong; Takatoshi Sugiyama (ICTC, 2024)

Proposal of Multi-Stage Interference Canceller Against Adjacent Channel Interferences in NTNs. - Sana Kagaya; Yuki Kato; Takatoshi Sugiyama (ICOIN, 2025)