Peak Reduction Improvement in Iterative Clipping and Filtering with a Graded Band-Limiting Filter for OFDM Transmission. - Toshiyuki Matsuda; Shigeru Tomisato; Masaharu Hata; Hiromasa Fujii; Junichiro Hagiwara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Reduced-complexity transmit power optimization techniques for multiuser MIMO with per-antenna power constraint. - Yusuke Ohwatari; Anass Benjebbour; Junichiro Hagiwara; Tomoyuki Ohya (Allerton, 2008)

Evaluation of user throughput for MU-MIMO coordinated wireless networks. - Anass Benjebbour; Masashige Shirakabe; Yusuke Ohwatari; Junichiro Hagiwara; Tomoyuki Ohya (PIMRC, 2008)

Joint Multi-Filter Design for Full-Duplex MU-MIMO Relaying. - Jaturong Sangiamwong; Takahiro Asai; Junichiro Hagiwara; Yukihiko Okumura; Tomoyuki Ohya (VTC Spring, 2009)

Investigation on Mobility Management for Carrier Aggregation in LTE-Advanced. - Kengo Yagyu; Takeshi Nakamori; Hiroyuki Ishii; Mikio Iwamura; Nobuhiko Miki; Takahiro Asai; Junichiro Hagiwara (VTC Fall, 2011)

Study on resource allocation for VoIP traffic with subframe bundling in LTE uplink. - Masashige Shirakabe; Yoshiaki Ofuji; Akihito Hanaki; Nobuhiko Miki; Takahiro Asai; Junichiro Hagiwara (WPMC, 2011)

Investigation on Signaling Overhead for Mobility Management with Carrier Aggregation in LTE-Advanced. - Kengo Yagyu; Takeshi Nakamori; Hiroyuki Ishii; Mikio Iwamura; Nobuhiko Miki; Takahiro Asai; Junichiro Hagiwara (IEICE Trans. Commun., 2011)

Mobile-initiated with network-controlled IP flow mobility mechanism for multi-interface mobile node. - Jinho Kim; Yasufumi Morioka; Junichiro Hagiwara (ICCE, 2012)

An optimized seamless IP flow mobility management architecture for traffic offloading. - Jinho Kim; Yasufumi Morioka; Junichiro Hagiwara (NOMS, 2012)

Comparison of Kalman smoother to wiener smoother in practical OFDM channel estimation. - Junichiro Hagiwara; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa (APCC, 2015)

An OFDM Channel Estimation Method Based on a State-Space Model that Appropriately Considers Frequency Correlation. - Junichiro Hagiwara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015)

Real-Time Joint Channel and Hyperparameter Estimation Using Sequential Monte Carlo Methods for OFDM Mobile Communications. - Junichiro Hagiwara (IEICE Trans. Commun., 2016)

Superposed 16-QAM Signal Detection Using GaBP in a Massive MIMO System. - Taisei Watabe; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (APSIPA, 2018)

Performance Comparison of Compressed Sensing Algorithms for DOA Estimation of Multi-band Signals. - Toyoki Hoshikawa; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (WPNC, 2018)

Loose Beamforming by Antenna Selection in a Multiuser Massive MIMO System. - Shunta Nakamura; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (APWCS, 2019)

Computational Complexity Reduction of Receive Weight Matrices in Massive MIMO SC-FDF†. - Kensei Saito; Yasutaka Ogawa; Toshihiko Nishimura; Takeo Ohgane; Junichiro Hagiwara (ICNC, 2019)

A Study on Layouts of Distributed Antenna Arrays in an Indoor Multi-User Massive MIMO System. - Yuya Suzuki; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (ICNC, 2019)

A Study on Iterative Equalization with GaBP and Soft Successive Cancellation List Decoding in a Polar-Coded System. - Kentaro Fukuda; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (WPMC, 2019)

A Study on Performance Improvement by CRC-Aided GaBP for Large-Scale SCMA Detection. - Renjie Li; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (WPMC, 2019)

Downlink Channel Estimation Based on Multipath Separation in an FDD MIMO System. - Shiori Tosaka; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara; Takanori Sato (APWCS, 2021)

A Novel MIMO Signal Detection Method Using Hamiltonian Monte Carlo Approach. - Kazushi Matsumura; Junichiro Hagiwara; Toshihiko Nishimura; Takeo Ohgane; Yasutaka Ogawa; Takanori Sato (WPMC, 2021)

Radio Techniques Incorporating Sparse Modeling. - Toshihiko Nishimura; Yasutaka Ogawa; Takeo Ohgane; Junichiro Hagiwara (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Parameter-Learned AMP for MIMO Signal Detection. - Mari Miyoshi; Wakaba Tsujimoto; Toshihiko Nishimura; Takanori Sato; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (APWCS, 2022)

A Proposal of an End-to-End DoA Estimation System Aided by Deep Learning. - Daniel Akira Ando; Toshihiko Nishimura; Takanori Sato; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (WPMC, 2022)

Near-Optimal Stochastic MIMO Signal Detection with a Mixture of T-Distributions Prior. - Junichiro Hagiwara; Kazushi Matsumura; Hiroki Asumi; Yukiko Kasuga; Toshihiko Nishimura; Takanori Sato; Yasutaka Ogawa; Takeo Ohgane (GLOBECOM, 2023)

Performance Analysis of DNN-PCA for DOA Estimation with Three Radio Wave Sources. - Daniel Akira Ando; Toshihiko Nishimura; Takanori Sato; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (ISCIT, 2023)

A near-optimal stochastic MIMO signal detection with a mixture of t-distribution prior. - Junichiro Hagiwara; Kazushi Matsumura; Hiroki Asumi; Yukiko Kasuga; Toshihiko Nishimura; Takanori Sato; Yasutaka Ogawa; Takeo Ohgane (CoRR, 2023)

Smart Radio Environments with Intelligent Reflecting Surfaces for 6G Sub-Terahertz-Band Communications. - Yasutaka Ogawa; Shuto Tadokoro; Satoshi Suyama; Masashi Iwabuchi; Toshihiko Nishimura; Takanori Sato; Junichiro Hagiwara; Takeo Ohgane (IEICE Trans. Commun., 2023)

Deep Neural Networks Based End-to-End DOA Estimation System. - Daniel Akira Ando; Yuya Kase; Toshihiko Nishimura; Takanori Sato; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (IEICE Trans. Commun., 2023)

Hamiltonian Monte Carlo-Based Near-Optimal MIMO Signal Detection. - Junichiro Hagiwara; Toshihiko Nishimura; Takanori Sato; Yasutaka Ogawa; Takeo Ohgane (CoRR, 2024)

Strategies for DOA-DNN Estimation Accuracy Improvement at Low and High SNRs. - Daniel Akira Ando; Toshihiko Nishimura; Takanori Sato; Takeo Ohgane; Yasutaka Ogawa; Junichiro Hagiwara (IEICE Trans. Commun., 2025)