Keigo Takeuchi

87 papers B 16C 2Misc 3Journal 63Unranked 3
YearRankTypeTitle / Venue / Authors
2026 J jnl
Direct and Converse Theorems in Estimating Signals with Sublinear Sparsity.
CoRR
Keigo Takeuchi
2025 J jnl
Generalized Approximate Message-Passing for Compressed Sensing With Sublinear Sparsity.
IEEE Trans. Inf. Theory
Keigo Takeuchi
2025 Misc conf
Generalized Approximate Message-Passing for Compressed Sensing with Sublinear Sparsity.
ICASSP
Keigo Takeuchi
2025 J jnl
Generalized Orthogonal Approximate Message-Passing for Sublinear Sparsity.
CoRR
Keigo Takeuchi
2024 Misc conf
Decentralized Generalized Approximate Message-Passing for Tree-Structured Networks.
ICASSP
Keigo Takeuchi
2024 J jnl
Decentralized Generalized Approximate Message-Passing for Tree-Structured Networks.
IEEE Trans. Inf. Theory
Keigo Takeuchi
2024 J jnl
Generalized Approximate Message-Passing for Compressed Sensing with Sublinear Sparsity.
CoRR
Keigo Takeuchi
2024 J jnl
Orthogonal Approximate Message-Passing for Spatially Coupled Linear Models.
IEEE Trans. Inf. Theory
Keigo Takeuchi
2023 J jnl
Decentralized Generalized Approximate Message-Passing for Tree-Structured Networks.
CoRR
Keigo Takeuchi
2023 J jnl
Deep Learning of Damped AMP Decoding Networks for Sparse Superposition Codes via Annealing.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toshihiro Yoshida, Keigo Takeuchi
2023 Misc conf
Long-Memory Message-Passing for Spatially Coupled Systems.
ICASSP
Keigo Takeuchi
2023 J jnl
Simplification and Accurate Implementation of State Evolution Recursion for Conjugate Gradient.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Sakyo Hashimoto, Keigo Takeuchi
2022 J jnl
Finite-Size Correction of Expectation-Propagation Detection.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuki Oba, Keigo Takeuchi
2022 J jnl
Long-Memory Message-Passing for Spatially Coupled Systems.
CoRR
Keigo Takeuchi
2022 J jnl
On the Convergence of Convolutional Approximate Message-Passing for Gaussian Signaling.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Keigo Takeuchi
2022 B conf
On the Convergence of Orthogonal/Vector AMP: Long-Memory Message-Passing Strategy.
ISIT
Keigo Takeuchi
2022 J jnl
On the Convergence of Orthogonal/Vector AMP: Long-Memory Message-Passing Strategy.
CoRR
Keigo Takeuchi
2022 J jnl
On the Convergence of Orthogonal/Vector AMP: Long-Memory Message-Passing Strategy.
IEEE Trans. Inf. Theory
Keigo Takeuchi
2022 J jnl
Orthogonal Approximate Message-Passing for Spatially Coupled Systems.
CoRR
Keigo Takeuchi
2021 B conf
Bayes-Optimal Convolutional AMP.
ISIT
Keigo Takeuchi
2021 J jnl
Bayes-Optimal Convolutional AMP.
CoRR
Keigo Takeuchi
2021 J jnl
Bayes-Optimal Convolutional AMP.
IEEE Trans. Inf. Theory
Keigo Takeuchi
2021 J jnl
Expectation-Propagation Detection for Generalized Spatial Modulation with Sparse Orthogonal Precoding.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Tatsuya Sugiyama, Keigo Takeuchi
2021 J jnl
On the Convergence of Orthogonal/Vector AMP: Long-Memory Message-Passing Strategy.
CoRR
Keigo Takeuchi
2021 J jnl
Pilot Decontamination in Spatially Correlated Massive MIMO Uplink via Expectation Propagation.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Wataru Tatsuno, Keigo Takeuchi
2020 J jnl
Bayes-Optimal Convolutional AMP.
CoRR
Keigo Takeuchi
2020 J jnl
Convolutional Approximate Message-Passing.
CoRR
Keigo Takeuchi
2020 J jnl
Convolutional Approximate Message-Passing.
IEEE Signal Process. Lett.
Keigo Takeuchi
2020 J jnl
Expectation Propagation Decoding for Sparse Superposition Codes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroki Mayumi, Keigo Takeuchi
2020 J jnl
Pilot Decontamination in Massive MIMO Uplink via Approximate Message-Passing.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takumi Fujitsuka, Keigo Takeuchi
2020 J jnl
Rigorous Dynamics of Expectation-Propagation-Based Signal Recovery from Unitarily Invariant Measurements.
IEEE Trans. Inf. Theory
Keigo Takeuchi
2019 J jnl
A Family of Counterexamples to the Central Limit Theorem Based on Binary Linear Codes.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Keigo Takeuchi
2019 B conf
A Unified Framework of State Evolution for Message-Passing Algorithms.
ISIT
Keigo Takeuchi
2019 J jnl
A Unified Framework of State Evolution for Message-Passing Algorithms.
CoRR
Keigo Takeuchi
2019 J jnl
Hardware-Aware Sum-Product Decoding in the Decision Domain.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Mizuki Yamada, Keigo Takeuchi, Kiyoyuki Koike
2017 — conf
Orthogonal approximate message passing for GFDM detection.
SPAWC
Suchun Zhang, Chao-Kai Wen, Keigo Takeuchi, Shi Jin
2017 J jnl
Rigorous Dynamics of Expectation-Propagation-Based Signal Recovery from Unitarily Invariant Measurements.
CoRR
Keigo Takeuchi
2017 J jnl
Rigorous Dynamics of Expectation-Propagation-Based Signal Recovery from Unitarily Invariant Measurements.
CoRR
Keigo Takeuchi
2017 — conf
Rigorous dynamics of expectation-propagation signal detection via the conjugate gradient method.
SPAWC
Keigo Takeuchi, Chao-Kai Wen
2017 B conf
Rigorous dynamics of expectation-propagation-based signal recovery from unitarily invariant measurements.
ISIT
Keigo Takeuchi
2016 J jnl
Asymptotic Optimality of Massive MIMO Systems Using Densely Spaced Transmit Antennas.
CoRR
Keigo Takeuchi
2016 J jnl
Asymptotic Optimality of Massive MIMO Systems Using Densely Spaced Transmit Antennas.
CoRR
Keigo Takeuchi
2016 J jnl
Asymptotic Optimality of QPSK Faster-than-Nyquist Signaling in Massive MIMO Systems.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Keigo Takeuchi
2015 J jnl
Iterative Channel Estimation and Decoding via Spatial Coupling.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shuhei Horio, Keigo Takeuchi, Tsutomu Kawabata
2015 J jnl
Performance Improvement of Iterative Multiuser Detection for Large Sparsely Spread CDMA Systems by Spatial Coupling.
IEEE Trans. Inf. Theory
Keigo Takeuchi, Toshiyuki Tanaka, Tsutomu Kawabata
2015 J jnl
Second-Order Optimality of Generalized Spatial Modulation for MIMO Channels With No CSI.
IEEE Wirel. Commun. Lett.
Keigo Takeuchi
2015 J jnl
Spatial Modulation Achieves Information-Theoretically Optimal Energy Efficiency.
IEEE Commun. Lett.
Keigo Takeuchi
2014 J jnl
A Generalization of Threshold Saturation: Application to Spatially Coupled BICM-ID.
CoRR
Keigo Takeuchi
2014 B conf
A generalization of threshold saturation: application to spatially coupled BICM-ID.
ISIT
Keigo Takeuchi
2014 J jnl
Iterative LMMSE Channel Estimation, Multiuser Detection, and Decoding via Spatial Coupling.
CoRR
Keigo Takeuchi
2013 J jnl
A Potential Theory of General Spatially-Coupled Systems via a Continuum Approximation
CoRR
Keigo Takeuchi, Toshiyuki Tanaka, Kenta Kasai
2013 J jnl
Accelerating Iterative Detection for Spatially Coupled Systems by Collaborative Training.
IEEE Commun. Lett.
Keigo Takeuchi
2013 J jnl
Iterative LMMSE Channel Estimation and Decoding Based on Probabilistic Bias.
IEEE Trans. Commun.
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä
2013 J jnl
Iterative Multiuser Detection and Decoding with Spatially Coupled Interleaving.
CoRR
Keigo Takeuchi, Shuhei Horio
2013 J jnl
Iterative Multiuser Detection and Decoding with Spatially Coupled Interleaving.
IEEE Wirel. Commun. Lett.
Keigo Takeuchi, Shuhei Horio
2013 J jnl
Multi-Dimensional Spatially-Coupled Codes
CoRR
Ryunosuke Ohashi, Kenta Kasai, Keigo Takeuchi
2013 B conf
Multi-dimensional spatially-coupled codes.
ISIT
Ryunosuke Ohashi, Kenta Kasai, Keigo Takeuchi
2013 J jnl
On an Achievable Rate of Large Rayleigh Block-Fading MIMO Channels With No CSI.
IEEE Trans. Inf. Theory
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä, Toshiyuki Tanaka
2012 J jnl
A Greedy Algorithm of Data-Dependent User Selection for Fast Fading Gaussian Vector Broadcast Channels
CoRR
Keigo Takeuchi, Tsutomu Kawabata
2012 J jnl
A Phenomenological Study on Threshold Improvement via Spatial Coupling.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Keigo Takeuchi, Toshiyuki Tanaka, Tsutomu Kawabata
2012 J jnl
Accelerating Iterative Detection for Spatially Coupled Systems by Collaborative Training
CoRR
Keigo Takeuchi
2012 J jnl
Large-System Analysis of Joint Channel and Data Estimation for MIMO DS-CDMA Systems.
IEEE Trans. Inf. Theory
Keigo Takeuchi, Mikko Vehkaperä, Toshiyuki Tanaka, Ralf R. Müller
2012 J jnl
Large-System Analysis of Joint User Selection and Vector Precoding for Multiuser MIMO Downlink
CoRR
Keigo Takeuchi, Ralf R. Müller, Tsutomu Kawabata
2012 J jnl
Large-System Analysis of Joint User Selection and Vector Precoding with Zero-Forcing Transmit Beamforming for MIMO Broadcast Channels.
CoRR
Keigo Takeuchi, Ralf R. Müller, Tsutomu Kawabata
2012 C conf
Large-system analysis of joint user selection and vector precoding with zero-forcing transmit beamforming for MIMO broadcast channels.
ISITA
Keigo Takeuchi, Ralf R. Müller, Tsutomu Kawabata
2012 J jnl
Performance Improvement of Iterative Multiuser Detection for Large Sparsely-Spread CDMA Systems by Spatial Coupling
CoRR
Keigo Takeuchi, Toshiyuki Tanaka, Tsutomu Kawabata
2011 B conf
A Construction of Turbo-Like Codes for Iterative Channel Estimation Based on Probabilistic Bias.
GLOBECOM
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä
2011 J jnl
A Phenomenological Study on Threshold Improvement via Spatial Coupling
CoRR
Keigo Takeuchi, Toshiyuki Tanaka, Tsutomu Kawabata
2011 J jnl
Bias-Based Training for Iterative Channel Estimation and Data Decoding in Fast Fading Channels.
IEICE Trans. Commun.
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä
2011 J jnl
Improvement of BP-Based CDMA Multiuser Detection by Spatial Coupling
CoRR
Keigo Takeuchi, Toshiyuki Tanaka, Tsutomu Kawabata
2011 B conf
Improvement of BP-based CDMA multiuser detection by spatial coupling.
ISIT
Keigo Takeuchi, Toshiyuki Tanaka, Tsutomu Kawabata
2011 J jnl
On an Achievable Rate of Large Rayleigh Block-Fading MIMO Channels with No CSI
CoRR
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä, Toshiyuki Tanaka
2010 C conf
An achievable rate of large block-fading MIMO systems with no CSI via successive decoding.
ISITA
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä, Toshiyuki Tanaka
2010 B conf
Analysis of large MIMO DS-CDMA systems with imperfect CSI and spatial correlation.
ISIT
Mikko Vehkaperä, Keigo Takeuchi, Ralf R. Müller, Toshiyuki Tanaka
2010 J jnl
Large-System Analysis of Joint Channel and Data Estimation for MIMO DS-CDMA Systems
CoRR
Keigo Takeuchi, Mikko Vehkaperä, Toshiyuki Tanaka, Ralf R. Müller
2010 J jnl
Performance analysis of optimal channel estimation and multiuser detection in a randomly-spread CDMA channel.
J. Syst. Sci. Complex.
Keigo Takeuchi, Mikko Vehkaperä, Toshiyuki Tanaka, Ralf R. Müller
2009 B conf
A new signaling scheme for large DS-CDMA channels without CSI.
WiOpt
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä, Toshiyuki Tanaka
2009 B conf
How Much Training Is Needed for Iterative Multiuser Detection and Decoding?
GLOBECOM
Mikko Vehkaperä, Keigo Takeuchi, Ralf R. Müller, Toshiyuki Tanaka
2009 B conf
Iterative channel and data estimation: Framework and analysis via replica method.
ISIT
Mikko Vehkaperä, Keigo Takeuchi, Ralf R. Müller, Toshiyuki Tanaka
2009 B conf
On asymptotic performance of iterative channel and data estimation in large DS-CDMA systems.
WiOpt
Mikko Vehkaperä, Keigo Takeuchi, Ralf R. Müller, Toshiyuki Tanaka
2009 B conf
Practical signaling with vanishing pilot-energy for large noncoherent block-fading MIMO channels.
ISIT
Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä, Toshiyuki Tanaka
2008 J jnl
Asymptotic Analysis of General Multiuser Detectors in MIMO DS-CDMA Channels.
IEEE J. Sel. Areas Commun.
Keigo Takeuchi, Toshiyuki Tanaka, Toru Yano
2008 — conf
Asymptotic analysis of iterative channel estimation and multiuser detection with soft feedback in multipath channels.
EUSIPCO
Mikko Vehkaperä, Keigo Takeuchi, Ralf R. Müller, Toshiyuki Tanaka
2008 B conf
Replica analysis of general multiuser detection in MIMO DS-CDMA channels with imperfect CSI.
ISIT
Keigo Takeuchi, Mikko Vehkaperä, Toshiyuki Tanaka, Ralf R. Müller
2007 J jnl
Asymptotic Analysis of General Multiuser Detectors in MIMO DS-CDMA Channels
CoRR
Keigo Takeuchi, Toshiyuki Tanaka, Toru Yano
2007 J jnl
Hierarchical Decoupling Principle of a MIMO-CDMA Channel in Asymptotic Limits
CoRR
Keigo Takeuchi, Toshiyuki Tanaka
2007 B conf
Hierarchical Decoupling Principle of a MIMO-CDMA Channel in Asymptotic Limits.
ISIT
Keigo Takeuchi, Toshiyuki Tanaka