Takahiro Asai

71 papers B 8C 2Misc 1Journal 21Unranked 39
YearRankTypeTitle / Venue / Authors
2023 — conf
Near-Field Beam Management with Ring-type Codebook.
VTC2023-Spring
Fan Wang, Xin Wang, Xiang Li, Xiaolin Hou, Lan Chen, Satoshi Suyama, Takahiro Asai
2023 — conf
Reconfigurable Intelligent Surface Aided Joint Communication And Positioning.
VTC Fall
Fan Wang, Xiaolin Hou, Xin Wang, Xiang Li, Lan Chen, Takahiro Asai
2023 — conf
Time-Varying Channel Prediction for Pilot Contamination Mitigation in Hybrid Massive MIMO Communications.
VTC2023-Spring
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa, Satoshi Suyama, Takahiro Asai
2023 J jnl
Unified 6G Waveform Design Based on DFT-s-OFDM Enhancements.
IEICE Trans. Commun.
Juan Liu, Xiaolin Hou, Wenjia Liu, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
2023 — conf
Unified Multi-User Multiplexing Scheme With Enhanced NOMA (eNOMA) for HAPS.
VTC Fall
Wenjia Liu, Xiaolin Hou, Lan Chen, Takahiro Asai
2022 J jnl
Deep Learning-Based Massive MIMO CSI Acquisition for 5G Evolution and 6G.
IEICE Trans. Commun.
Xin Wang, Xiaolin Hou, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
2022 J jnl
Deep Learning-based Massive MIMO CSI Acquisition for 5G Evolution and 6G.
CoRR
Xin Wang, Xiaolin Hou, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
2022 — conf
Evaluation of Indoor Area Improvement in the High Frequency Band Using Metasurface Lenses, FSS Technology and Relay Stations.
VTC Spring
Jun Tsuboi, Takeshi Motegi, Osamu Kagaya, Daisuke Kitayama, Kensuke Miyachi, Tatsuki Okuyama, Satoshi Suyama, Takahiro Asai
2022 — conf
Experimental Trial aboard Shinkansen Test Train Running at 360 km/h for 5G Evolution.
VTC Spring
Nobuhide Nonaka, Satoshi Suyama, Tatsuki Okuyama, Yuto Hama, Daisuke Kitayama, Takahiro Asai, Shoji Itoh, Anders Carlsson, Johan Furuskog, Magnus Wikström, Qiang Zhang, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima
2022 B conf
Extreme Coverage Extension in 6G: Cooperative Non-terrestrial Network Architecture Integrating Terrestrial Networks.
WCNC
Yuki Hokazono, Hinata Kohara, Yoshihisa Kishiyama, Takahiro Asai
2022 C conf
Hash-based Fast Beam Alignment for 6G Sub-Terahertz MIMO.
APCC
Xin Wang, Xiaolin Hou, Lan Chen, Satoshi Suyama, Takahiro Asai
2022 J jnl
Non-Orthogonal Physical Layer (NOPHY) Design towards 5G Evolution and 6G.
IEICE Trans. Commun.
Xiaolin Hou, Wenjia Liu, Juan Liu, Xin Wang, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
2022 — conf
Outdoor Experimental Trials on Deployments of Multiple Base Station Antennas for 28 GHz-Band Cooperated Digital Beamforming.
VTC Spring
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai
2022 — conf
RIS-Aided Mega MIMO: Achieving Orthonormal Spatial Multiplexing with Adaptive Aperture.
GLOBECOM (Workshops)
Xiang Li, Xin Wang, Xiaolin Hou, Lan Chen, Satoshi Suyama, Takahiro Asai
2022 — conf
Recent Studies on Massive MIMO Technologies for 5G Evolution and 6G.
RWS
Satoshi Suyama, Tatsuki Okuyama, Nobuhide Nonaka, Takahiro Asai
2022 B conf
Ring-type Codebook Design for Reconfigurable Intelligent Surface Near-field Beamforming.
PIMRC
Fan Wang, Xin Wang, Xiang Li, Xiaolin Hou, Lan Chen, Satoshi Suyama, Takahiro Asai
2022 — conf
THz Transport Technologies and Strategists Beyond 5G/6G Systems.
OFC
Hiroshi Okazaki, Yasunori Suzuki, Satoshi Suyama, Takahiro Asai
2022 B conf
Unified Non-Orthogonal Waveform (uNOW) based on DFT-s-OFDM Enhancement for 5G Evolution and 6G.
PIMRC
Juan Liu, Xiaolin Hou, Wenjia Liu, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
2021 J jnl
28 GHz-Band Experimental Trial Using the Shinkansen in Ultra High-Mobility Environment for 5G Evolution.
IEICE Trans. Commun.
Nobuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai, Yoshihiro Matsumura
2021 J jnl
A Study on Extreme Wideband 6G Radio Access Technologies for Achieving 100Gbps Data Rate in Higher Frequency Bands.
IEICE Trans. Commun.
Satoshi Suyama, Tatsuki Okuyama, Yoshihisa Kishiyama, Satoshi Nagata, Takahiro Asai
2021 J jnl
Base Station Cooperation Technologies Using 28GHz-Band Digital Beamforming in High-Mobility Environments.
IEICE Trans. Commun.
Tatsuki Okuyama, Nobuhide Nonaka, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai
2021 — conf
Deep Learning based CSI Reconstruction with Limited Feedback for Massive MIMO Systems.
ICMU
Xin Wang, Xiaolin Hou, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
2021 C conf
Enhanced Non-Orthogonal Waveform (eNOW) for 5G Evolution and 6G.
APCC
Juan Liu, Wenjia Liu, Xiaolin Hou, Yoshihisa Kishiyama, Lan Chen, Takahiro Asai
2021 — conf
Influence of Design-SNR on BER Performance under BP Decoder.
APWCS
Kohei Ueda, Satoshi Suyama, Takahiro Asai, Nobuhiko Miki
2021 — conf
Millimeter-Wave Base Station Cooperation Technologies for High-Mobility Environments.
APWCS
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai
2021 — conf
Outdoor Experimental Trials of 28 GHz Band Base Station Cooperation in High-Mobility Environment of Multiple Mobile Stations.
VTC Fall
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai
2021 — conf
Throughput Performance of HetNets using Sectorized Picocells with 3D Beamforming at 28 GHz Band in Multipath Fading Channels.
APWCS
Shoko Nishimura, Satoshi Suyama, Takahiro Asai, Hiroyuki Otsuka
2020 — conf
28 GHz-Band Experimental Trial at 283 km/h Using the Shinkansen for 5G Evolution.
VTC Spring
Nobuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai, Yoshihiro Matsumura
2020 B conf
Non-Orthogonal Waveform (NOW) for 5G Evolution and 6G.
PIMRC
Juan Liu, Wenjia Liu, Xiaolin Hou, Yoshihisa Kishiyama, Lan Chen, Takahiro Asai
2020 — conf
Outdoor Experimental Trials of Millimeter-Wave Base Station Cooperation with Digital Beamforming in High-Mobility Environments for 5G Evolution.
VTC Fall
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai
2020 J jnl
Transform Domain Precoding (TDP) for 5G Evolution and 6G.
IEEE Signal Process. Lett.
Wenjia Liu, Xiaolin Hou, Yoshihisa Kishiyama, Lan Chen, Takahiro Asai
2020 — conf
Two Millimeter-Wave Base Station Cooperation Technologies in High-Mobility Environments for 5G Evolution.
VTC Spring
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai
2019 J jnl
RAN Slicing to Realize Resource Isolation Utilizing Ordinary Radio Resource Management for Network Slicing.
IEICE Trans. Commun.
Daisuke Nojima, Yuki Katsumata, Yoshifumi Morihiro, Takahiro Asai, Akira Yamada, Shigeru Iwashina
2018 — conf
Cell selection scheme for handover reduction based on moving direction and velocity of UEs for 5G multi-layered radio access networks.
ICOIN
Akira Kishida, Yoshifumi Morihiro, Takahiro Asai, Yukihiko Okumura
2018 — conf
Experimental Evaluation of Starved AP Identification and Management Schemes in Mobile Cooperative WLAN System toward 5G.
VTC Spring
Akiyoshi Inoki, Hirantha Abeysekera, Akira Kishida, Yoshifumi Morihiro, Takahiro Asai, Munehiro Matsui, Kenichi Kawamura, Yukihiko Okumura, Yasushi Takatori
2018 — conf
Resource Isolation in RAN Part While Utilizing Ordinary Scheduling Algorithm for Network Slicing.
VTC Spring
Daisuke Nojima, Yuki Katsumata, Takuya Shimojo, Yoshifumi Morihiro, Takahiro Asai, Akira Yamada, Shigeru Iwashina
2017 J jnl
Radio Resource Management Based on User and Network Characteristics Considering 5G Radio Access Network in a Metropolitan Environment.
IEICE Trans. Commun.
Akira Kishida, Yoshifumi Morihiro, Takahiro Asai
2017 J jnl
Throughput Improvement of Mobile Cooperative WLAN Systems with Identifying and Management of Starved APs/UEs for 5G.
IEICE Trans. Commun.
Akiyoshi Inoki, Hirantha Abeysekera, Munehiro Matsui, Kenichi Kawamura, Takeo Ichikawa, Yasushi Takatori, Masato Mizoguchi, Akira Kishida, Yoshifumi Morihiro, Takahiro Asai, Yukihiko Okumura
2016 — conf
Starved wireless LAN device identifying scheme using beacon signals.
WPMC
Akiyoshi Inoki, B. Hirantha Sithira Abeysekera, Munehiro Matsui, Takeo Ichikawa, Masato Mizoguchi, Akira Kishida, Akira Yamada, Yoshifumi Morihiro, Takahiro Asai, Yukihiko Okumura
2015 — conf
5G radio access network and its requirements on mobile optical network.
ONDM
Takahiro Asai
2015 — conf
A Development of Automatic Audit System for Written Informed Consent using Machine Learning.
MedInfo
Hitomi Yamada, Tadamasa Takemura, Takahiro Asai, Kazuya Okamoto, Tomohiro Kuroda, Shigeki Kuwata
2015 — conf
A Study on Moving Cell in 5G Cellular System.
VTC Fall
Hiroto Yasuda, Akira Kishida, Jiyun Shen, Yoshifumi Morihiro, Yasufumi Morioka, Satoshi Suyama, Akira Yamada, Yukihiko Okumura, Takahiro Asai
2015 — conf
Performance of Fiber-Optic Inband Relaying against Self-Interference in Both Uplink and Downlink.
VTC Fall
Sho Nakazawa, Kohei Iwai, Mitsutoshi Nakamura, Takahiro Kubo, Takahiro Asai, Yukihiko Okumura, Hiroyuki Otsuka
2014 — conf
Performance Analysis of Fiber-Optic Inband Relaying in the Presence of Self-Interference.
VTC Fall
Hiroyuki Otsuka, Naohiro Tanoi, Naoto Ogura, Takahiro Kubo, Takahiro Asai, Yukihiko Okumura
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
Performance of Advanced Receiver Employing Interference Rejection Combining to Suppress Inter-Cell Interference in LTE-Advanced Downlink.
VTC Fall
Yusuke Ohwatari, Nobuhiko Miki, Takahiro Asai, Tetsushi Abe, Hidekazu Taoka
2011 J jnl
Performance of Interference Rejection Combining Receiver to Suppress Inter-Cell Interference in LTE-Advanced Downlink.
IEICE Trans. Commun.
Yusuke Ohwatari, Nobuhiko Miki, Takahiro Asai, Tetsushi Abe, Hidekazu Taoka
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
2010 — conf
Optimum Weighting for Adaptive Array Antennas under Spectrum Sharing Environments.
VTC Spring
Hiromasa Fujii, Takahiro Asai, Tomoyuki Ohya
2009 B conf
An adaptive soft clipping method for spectrum sharing OFDMA systems.
PIMRC
Toshihisa Fujiwara, Shigeru Tomisato, Masaharu Hata, Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura
2009 — conf
Capacity achievable by spectrum sharing with adaptive transmit power control: Based on field measurements.
CrownCom
Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura, Ryoko Kawauchi, Ikuo Hiradate, Hayato Akazawa, Takayuki Sotoyama
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 J jnl
Cyclostationarity-Inducing Transmission Methods for Recognition among OFDM-Based Systems.
EURASIP J. Wirel. Commun. Netw.
Koji Maeda, Anass Benjebbour, Takahiro Asai, Tatsuo Furuno, Tomoyuki Ohya
2008 J jnl
Nonparametric Interference Suppression Using Cyclic Wiener Filtering: Pulse Shape Design and Performance Evaluation.
EURASIP J. Wirel. Commun. Netw.
Anass Benjebbour, Takahiro Asai, Hitoshi Yoshino
2007 J jnl
Analyses of Achievable Gains in Half Duplex MIMO Relaying Schemes Using Multiple Relay Nodes.
IEICE Trans. Commun.
Hui Shi, Tetsushi Abe, Takahiro Asai, Hitoshi Yoshino
2007 J jnl
Relaying Schemes Using Matrix Triangularization for MIMO Wireless Networks.
IEEE Trans. Commun.
Hui Shi, Tetsushi Abe, Takahiro Asai, Hitoshi Yoshino
2006 B conf
A "Relay Node Division Duplex" Relaying Approach for MIMO Relay Networks.
PIMRC
Hui Shi, Takahiro Asai, Hitoshi Yoshino
2006 — conf
Pulse Shape Design for Efficient Rejection of Unknown In-Band Interference Using Cyclic Wiener Filtering.
VTC Fall
Anass Benjebbour, Takahiro Asai, Hitoshi Yoshino
2006 B conf
Pulse Shaping Schemes for Cyclostationarity-Exploiting Partially Coordinated Spectrum Sharing.
PIMRC
Anass Benjebbour, Takahiro Asai, Hitoshi Yoshino
2006 J jnl
Relay Techniques for MIMO Wireless Networks with Multiple Source and Destination Pairs.
EURASIP J. Wirel. Commun. Netw.
Tetsushi Abe, Hui Shi, Takahiro Asai, Hitoshi Yoshino
2006 — conf
Sequential Search Method with Different Thresholds for Clipped Power for OFDM Signal.
VTC Spring
Jiyun Shen, Hiromasa Fujii, Takahiro Asai, Hitoshi Yoshino
2005 — conf
A relaying scheme using QR decomposition with phase control for MIMO wireless networks.
ICC
Hui Shi, Tetsushi Abe, Takahiro Asai, Hitoshi Yoshino
2005 — conf
On geolocation in ill-conditioned BS-MS layouts.
ICASSP (5)
Yihong Qi, Takahiro Asai, Hitoshi Yoshino, Nobuo Nakajima
2005 B conf
Successive multi-user detector with ordering for signals having different symbol rates.
PIMRC
Koji Maeda, Takahiro Asai, Hitoshi Yoshino
2004 — conf
A practical throughput comparison of MIMO-CDMA and MIMO-OFDM.
VTC Fall (2)
Tetsushi Abe, Takahiro Asai, Hirohito Suda
2003 J jnl
Experimental Evaluations on Throughput Performance of Adaptive Modulation and Channel Coding and Hybrid ARQ in HSDPA.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takahiro Asai, Kenichi Higuchi, Mamoru Sawahashi
2002 J jnl
A complex baseband platform for spatial-temporal mobile radio channel simulations.
IEEE Trans. Veh. Technol.
Satoshi Tsukamoto, Takuji Sasoh, Takahiro Sakaki, Toshiyuki Okamura, Shigeru Tomisato, Takahiro Asai, Tadashi Matsumoto
2001 — conf
A matched filter approximation for SC/MMSE iterative equalizers.
VTC Fall
Hiroo Omori, Takahiro Asai, Tadashi Matsumoto
2001 J jnl
A matched filter approximation for SC/MMSE iterative equalizers.
IEEE Commun. Lett.
Hiroo Omori, Takahiro Asai, Tadashi Matsumoto
1994 Misc conf
Development of Surface Inspection Machine for Organic Photo Conductor(OPC).
MVA
Osamu Nakayama, Shinji Kobayashi, Katsuyuki Omura, Takahiro Asai, Mitsuhiro Tomoda, Teruki Kamada