Takumi Ishihara

31 papers B 2Misc 1Journal 21Unranked 7
YearRankTypeTitle / Venue / Authors
2025 B conf
Closed-Form Near-Optimal Signal Detection For Underwater Acoustic Communication Using Student's t-Distribution Approximation.
GLOBECOM
Takumi Ishihara, Hiroyuki Fukumoto, Yosuke Fujino
2024 J jnl
Differential Multi-Carrier Faster-Than-Nyquist Signaling in Doubly Selective Fading Channel.
IEEE Trans. Veh. Technol.
Takumi Ishihara, Shinya Sugiura
2023 J jnl
Precoded Filterbank Multicarrier Index Modulation With Non-Orthogonal Subcarrier Spacing.
IEEE Trans. Commun.
Prakash Chaki, Takumi Ishihara, Shinya Sugiura
2023 J jnl
Various gait pattern generation and analysis of semi-passive quadruped walker with telescopic knee based on phase oscillator.
Artif. Life Robotics
Shoichi Miwa, Tetsuya Kinugasa, Kii Oba, Takumi Ishihara, Jialun Zhang, Ryota Hayashi, Koji Yoshida
2022 J jnl
Eigendecomposition-Precoded Faster-Than-Nyquist Signaling With Index Modulation.
IEEE Trans. Commun.
Prakash Chaki, Takumi Ishihara, Shinya Sugiura
2022 J jnl
Eigendecomposition-Precoded Faster-Than-Nyquist Signaling With Optimal Power Allocation in Frequency-Selective Fading Channels.
IEEE Trans. Wirel. Commun.
Takumi Ishihara, Shinya Sugiura
2022 — conf
FFT-Spread Faster-Than-Nyquist Signaling in Frequency-Selective Fading Channel.
ICC
Takumi Ishihara, Shinya Sugiura
2022 J jnl
Precoded Faster-Than-Nyquist Signaling for Doubly Selective Underwater Acoustic Communication Channel.
IEEE Wirel. Commun. Lett.
Jingwen Zhou, Takumi Ishihara, Shinya Sugiura
2022 — conf
Precoded Non-Orthogonal Frequency Division Multiplexing with Subcarrier Index Modulation.
VTC Spring
Prakash Chaki, Takumi Ishihara, Shinya Sugiura
2022 J jnl
Reduced-Complexity FFT-Spread Multicarrier Faster-Than-Nyquist Signaling in Frequency-Selective Fading Channel.
IEEE Open J. Commun. Soc.
Takumi Ishihara, Shinya Sugiura
2021 B conf
Eigenvalue Decomposition Precoded Faster-Than-Nyquist Transmission of Index Modulated Symbols.
ISIT
Prakash Chaki, Takumi Ishihara, Shinya Sugiura
2021 — conf
Precoded Faster-than-Nyquist Signaling with Optimal Power Allocation in Frequency-Selective Channel.
ICC Workshops
Takumi Ishihara, Shinya Sugiura
2021 J jnl
The Evolution of Faster-Than-Nyquist Signaling.
IEEE Access
Takumi Ishihara, Shinya Sugiura, Lajos Hanzo
2020 — conf
Effects of Eigenvalue Distribution on Precoded Faster-than-Nyquist Signaling with Power Allocation.
VTC Fall
Keita Masaki, Takumi Ishihara, Shinya Sugiura
2020 J jnl
Eigenvalue-Decomposition-Precoded Ultra-Dense Non-Orthogonal Frequency-Division Multiplexing.
IEEE Trans. Wirel. Commun.
Seichiroh Osaki, Takumi Ishihara, Shinya Sugiura
2020 — conf
Non-Orthogonal Frequency-Division Multiplexing Based on Eigenvalue Decomposition.
VTC Fall
Seichiroh Osaki, Takumi Ishihara, Shinya Sugiura
2020 J jnl
Tradeoff Between Calculation Precision and Information Rate in Eigendecomposition-Based Faster-Than-Nyquist Signaling.
IEEE Access
Keita Masaki, Takumi Ishihara, Shinya Sugiura
2020 J jnl
Variable-Block-Length Joint Channel Estimation and Data Detection for Spatial Modulation Over Time-Varying Channels.
IEEE Trans. Veh. Technol.
Yuya Akiba, Takumi Ishihara, Shinya Sugiura
2019 J jnl
Differentially Modulated Spectrally Efficient Frequency-Division Multiplexing.
IEEE Signal Process. Lett.
Seichiroh Osaki, Miyu Nakao, Takumi Ishihara, Shinya Sugiura
2019 — conf
Optimal and Suboptimal Power Allocation for SVD-Precoded Faster-than-Nyquist Signaling.
VTC Fall
Takumi Ishihara, Shinya Sugiura
2019 J jnl
Performance Analysis and Constellation Optimization of Star-QAM-Aided Differential Faster-Than-Nyquist Signaling.
IEEE Signal Process. Lett.
Chie Sagayama, Takumi Ishihara, Shinya Sugiura
2019 J jnl
SVD-Precoded Faster-Than-Nyquist Signaling With Optimal and Truncated Power Allocation.
IEEE Trans. Wirel. Commun.
Takumi Ishihara, Shinya Sugiura
2018 J jnl
Differential Faster-Than-Nyquist Signaling.
IEEE Access
Takumi Ishihara, Shinya Sugiura
2018 Misc conf
Faster-Than-Nyquist Signaling with Differential Encoding and Non Coherent Detection.
ICASSP
Takumi Ishihara, Shinya Sugiura
2017 J jnl
Dual-Mode Time-Domain Index Modulation for Nyquist-Criterion and Faster-Than-Nyquist Single-Carrier Transmissions.
IEEE Access
Miyu Nakao, Takumi Ishihara, Shinya Sugiura
2017 J jnl
Faster-Than-Nyquist Signaling With Index Modulation.
IEEE Wirel. Commun. Lett.
Takumi Ishihara, Shinya Sugiura
2017 J jnl
Iterative Frequency-Domain Joint Channel Estimation and Data Detection of Faster-Than-Nyquist Signaling.
IEEE Trans. Wirel. Commun.
Takumi Ishihara, Shinya Sugiura
2017 J jnl
Single-Carrier Frequency-Domain Equalization With Index Modulation.
IEEE Commun. Lett.
Miyu Nakao, Takumi Ishihara, Shinya Sugiura
2017 J jnl
State-of-the-Art Design of Index Modulation in the Space, Time, and Frequency Domains: Benefits and Fundamental Limitations.
IEEE Access
Shinya Sugiura, Takumi Ishihara, Miyu Nakao
2016 — conf
Frequency-domain equalization aided iterative detection of faster-than-Nyquist signaling with noise whitening.
ICC
Takumi Ishihara, Shinya Sugiura
2016 J jnl
Frequency-domain equalization aided iterative detection of faster-than-Nyquist signaling with noise whitening.
CoRR
Takumi Ishihara, Shinya Sugiura