Junichiro Hagiwara

31 papers B 3C 2Misc 2Journal 10Unranked 14
YearRankTypeTitle / Venue / Authors
2025 J jnl
Strategies for DOA-DNN Estimation Accuracy Improvement at Low and High SNRs.
IEICE Trans. Commun.
Daniel Akira Ando, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2024 J jnl
Hamiltonian Monte Carlo-Based Near-Optimal MIMO Signal Detection.
CoRR
Junichiro Hagiwara, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane
2023 J jnl
A near-optimal stochastic MIMO signal detection with a mixture of t-distribution prior.
CoRR
Junichiro Hagiwara, Kazushi Matsumura, Hiroki Asumi, Yukiko Kasuga, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane
2023 J jnl
Deep Neural Networks Based End-to-End DOA Estimation System.
IEICE Trans. Commun.
Daniel Akira Ando, Yuya Kase, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2023 B conf
Near-Optimal Stochastic MIMO Signal Detection with a Mixture of T-Distributions Prior.
GLOBECOM
Junichiro Hagiwara, Kazushi Matsumura, Hiroki Asumi, Yukiko Kasuga, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane
2023 — conf
Performance Analysis of DNN-PCA for DOA Estimation with Three Radio Wave Sources.
ISCIT
Daniel Akira Ando, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2023 J jnl
Smart Radio Environments with Intelligent Reflecting Surfaces for 6G Sub-Terahertz-Band Communications.
IEICE Trans. Commun.
Yasutaka Ogawa, Shuto Tadokoro, Satoshi Suyama, Masashi Iwabuchi, Toshihiko Nishimura, Takanori Sato, Junichiro Hagiwara, Takeo Ohgane
2022 — conf
A Proposal of an End-to-End DoA Estimation System Aided by Deep Learning.
WPMC
Daniel Akira Ando, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2022 — conf
Parameter-Learned AMP for MIMO Signal Detection.
APWCS
Mari Miyoshi, Wakaba Tsujimoto, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2021 — conf
A Novel MIMO Signal Detection Method Using Hamiltonian Monte Carlo Approach.
WPMC
Kazushi Matsumura, Junichiro Hagiwara, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Takanori Sato
2021 — conf
Downlink Channel Estimation Based on Multipath Separation in an FDD MIMO System.
APWCS
Shiori Tosaka, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato
2021 J jnl
Radio Techniques Incorporating Sparse Modeling.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toshihiko Nishimura, Yasutaka Ogawa, Takeo Ohgane, Junichiro Hagiwara
2019 — conf
A Study on Iterative Equalization with GaBP and Soft Successive Cancellation List Decoding in a Polar-Coded System.
WPMC
Kentaro Fukuda, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2019 Misc conf
A Study on Layouts of Distributed Antenna Arrays in an Indoor Multi-User Massive MIMO System.
ICNC
Yuya Suzuki, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2019 — conf
A Study on Performance Improvement by CRC-Aided GaBP for Large-Scale SCMA Detection.
WPMC
Renjie Li, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2019 Misc conf
Computational Complexity Reduction of Receive Weight Matrices in Massive MIMO SC-FDF
ICNC
Kensei Saito, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane, Junichiro Hagiwara
2019 — conf
Loose Beamforming by Antenna Selection in a Multiuser Massive MIMO System.
APWCS
Shunta Nakamura, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2018 — conf
Performance Comparison of Compressed Sensing Algorithms for DOA Estimation of Multi-band Signals.
WPNC
Toyoki Hoshikawa, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2018 — conf
Superposed 16-QAM Signal Detection Using GaBP in a Massive MIMO System.
APSIPA
Taisei Watabe, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara
2016 J jnl
Real-Time Joint Channel and Hyperparameter Estimation Using Sequential Monte Carlo Methods for OFDM Mobile Communications.
IEICE Trans. Commun.
Junichiro Hagiwara
2015 J jnl
An OFDM Channel Estimation Method Based on a State-Space Model that Appropriately Considers Frequency Correlation.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Junichiro Hagiwara
2015 C conf
Comparison of Kalman smoother to wiener smoother in practical OFDM channel estimation.
APCC
Junichiro Hagiwara, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa
2012 B conf
An optimized seamless IP flow mobility management architecture for traffic offloading.
NOMS
Jinho Kim, Yasufumi Morioka, Junichiro Hagiwara
2012 C conf
Mobile-initiated with network-controlled IP flow mobility mechanism for multi-interface mobile node.
ICCE
Jinho Kim, Yasufumi Morioka, Junichiro Hagiwara
2011 — conf
Investigation on Mobility Management for Carrier Aggregation in LTE-Advanced.
VTC Fall
Kengo Yagyu, Takeshi Nakamori, Hiroyuki Ishii, Mikio Iwamura, Nobuhiko Miki, Takahiro Asai, Junichiro Hagiwara
2011 J jnl
Investigation on Signaling Overhead for Mobility Management with Carrier Aggregation in LTE-Advanced.
IEICE Trans. Commun.
Kengo Yagyu, Takeshi Nakamori, Hiroyuki Ishii, Mikio Iwamura, Nobuhiko Miki, Takahiro Asai, Junichiro Hagiwara
2011 — conf
Study on resource allocation for VoIP traffic with subframe bundling in LTE uplink.
WPMC
Masashige Shirakabe, Yoshiaki Ofuji, Akihito Hanaki, Nobuhiko Miki, Takahiro Asai, Junichiro Hagiwara
2009 — conf
Joint Multi-Filter Design for Full-Duplex MU-MIMO Relaying.
VTC Spring
Jaturong Sangiamwong, Takahiro Asai, Junichiro Hagiwara, Yukihiko Okumura, Tomoyuki Ohya
2008 B conf
Evaluation of user throughput for MU-MIMO coordinated wireless networks.
PIMRC
Anass Benjebbour, Masashige Shirakabe, Yusuke Ohwatari, Junichiro Hagiwara, Tomoyuki Ohya
2008 — conf
Reduced-complexity transmit power optimization techniques for multiuser MIMO with per-antenna power constraint.
Allerton
Yusuke Ohwatari, Anass Benjebbour, Junichiro Hagiwara, Tomoyuki Ohya
2007 J jnl
Peak Reduction Improvement in Iterative Clipping and Filtering with a Graded Band-Limiting Filter for OFDM Transmission.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Toshiyuki Matsuda, Shigeru Tomisato, Masaharu Hata, Hiromasa Fujii, Junichiro Hagiwara