Takahiro Asai

Publication Activity (10 Years)

Years Active: 1994-2023
Publications (10 Years): 39

Top Topics

Codebook Design

Transform Domain

Top Venues

IEICE Trans. Commun.

Publications

Wenjia Liu, Xiaolin Hou, Lan Chen, Takahiro Asai
Unified Multi-User Multiplexing Scheme With Enhanced NOMA (eNOMA) for HAPS. VTC Fall (2023)
Juan Liu, Xiaolin Hou, Wenjia Liu, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
Unified 6G Waveform Design Based on DFT-s-OFDM Enhancements. IEICE Trans. Commun. 106 (6) (2023)
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa, Satoshi Suyama, Takahiro Asai
Time-Varying Channel Prediction for Pilot Contamination Mitigation in Hybrid Massive MIMO Communications. VTC2023-Spring (2023)
Fan Wang, Xin Wang, Xiang Li, Xiaolin Hou, Lan Chen, Satoshi Suyama, Takahiro Asai
Near-Field Beam Management with Ring-type Codebook. VTC2023-Spring (2023)
Fan Wang, Xiaolin Hou, Xin Wang, Xiang Li, Lan Chen, Takahiro Asai
Reconfigurable Intelligent Surface Aided Joint Communication And Positioning. VTC Fall (2023)
Yuki Hokazono, Hinata Kohara, Yoshihisa Kishiyama, Takahiro Asai
Extreme Coverage Extension in 6G: Cooperative Non-terrestrial Network Architecture Integrating Terrestrial Networks. WCNC (2022)
Jun Tsuboi, Takeshi Motegi, Osamu Kagaya, Daisuke Kitayama, Kensuke Miyachi, Tatsuki Okuyama, Satoshi Suyama, Takahiro Asai
Evaluation of Indoor Area Improvement in the High Frequency Band Using Metasurface Lenses, FSS Technology and Relay Stations. VTC Spring (2022)
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
Experimental Trial aboard Shinkansen Test Train Running at 360 km/h for 5G Evolution. VTC Spring (2022)
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai
Outdoor Experimental Trials on Deployments of Multiple Base Station Antennas for 28 GHz-Band Cooperated Digital Beamforming. VTC Spring (2022)
Xin Wang, Xiaolin Hou, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
Deep Learning-based Massive MIMO CSI Acquisition for 5G Evolution and 6G. CoRR (2022)
Xin Wang, Xiaolin Hou, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
Deep Learning-Based Massive MIMO CSI Acquisition for 5G Evolution and 6G. IEICE Trans. Commun. (12) (2022)
Xiaolin Hou, Wenjia Liu, Juan Liu, Xin Wang, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
Non-Orthogonal Physical Layer (NOPHY) Design towards 5G Evolution and 6G. IEICE Trans. Commun. (11) (2022)
Satoshi Suyama, Tatsuki Okuyama, Nobuhide Nonaka, Takahiro Asai
Recent Studies on Massive MIMO Technologies for 5G Evolution and 6G. RWS (2022)
Juan Liu, Xiaolin Hou, Wenjia Liu, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
Unified Non-Orthogonal Waveform (uNOW) based on DFT-s-OFDM Enhancement for 5G Evolution and 6G. PIMRC (2022)
Xiang Li, Xin Wang, Xiaolin Hou, Lan Chen, Satoshi Suyama, Takahiro Asai
RIS-Aided Mega MIMO: Achieving Orthonormal Spatial Multiplexing with Adaptive Aperture. GLOBECOM (Workshops) (2022)
Hiroshi Okazaki, Yasunori Suzuki, Satoshi Suyama, Takahiro Asai
THz Transport Technologies and Strategists Beyond 5G/6G Systems. OFC (2022)
Fan Wang, Xin Wang, Xiang Li, Xiaolin Hou, Lan Chen, Satoshi Suyama, Takahiro Asai
Ring-type Codebook Design for Reconfigurable Intelligent Surface Near-field Beamforming. PIMRC (2022)
Xin Wang, Xiaolin Hou, Lan Chen, Satoshi Suyama, Takahiro Asai
Hash-based Fast Beam Alignment for 6G Sub-Terahertz MIMO. APCC (2022)
Satoshi Suyama, Tatsuki Okuyama, Yoshihisa Kishiyama, Satoshi Nagata, Takahiro Asai
A Study on Extreme Wideband 6G Radio Access Technologies for Achieving 100Gbps Data Rate in Higher Frequency Bands. IEICE Trans. Commun. (9) (2021)
Nobuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai, Yoshihiro Matsumura
28 GHz-Band Experimental Trial Using the Shinkansen in Ultra High-Mobility Environment for 5G Evolution. IEICE Trans. Commun. (9) (2021)
Xin Wang, Xiaolin Hou, Lan Chen, Yoshihisa Kishiyama, Takahiro Asai
Deep Learning based CSI Reconstruction with Limited Feedback for Massive MIMO Systems. ICMU (2021)
Tatsuki Okuyama, Nobuhide Nonaka, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai
Base Station Cooperation Technologies Using 28GHz-Band Digital Beamforming in High-Mobility Environments. IEICE Trans. Commun. (9) (2021)
Kohei Ueda, Satoshi Suyama, Takahiro Asai, Nobuhiko Miki
Influence of Design-SNR on BER Performance under BP Decoder. APWCS (2021)
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai
Millimeter-Wave Base Station Cooperation Technologies for High-Mobility Environments. APWCS (2021)
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai
Outdoor Experimental Trials of 28 GHz Band Base Station Cooperation in High-Mobility Environment of Multiple Mobile Stations. VTC Fall (2021)
Shoko Nishimura, Satoshi Suyama, Takahiro Asai, Hiroyuki Otsuka
Throughput Performance of HetNets using Sectorized Picocells with 3D Beamforming at 28 GHz Band in Multipath Fading Channels. APWCS (2021)
Juan Liu, Wenjia Liu, Xiaolin Hou, Yoshihisa Kishiyama, Lan Chen, Takahiro Asai
Enhanced Non-Orthogonal Waveform (eNOW) for 5G Evolution and 6G. APCC (2021)
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai
Two Millimeter-Wave Base Station Cooperation Technologies in High-Mobility Environments for 5G Evolution. VTC Spring (2020)
Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Yukihiko Okumura, Takahiro Asai
Outdoor Experimental Trials of Millimeter-Wave Base Station Cooperation with Digital Beamforming in High-Mobility Environments for 5G Evolution. VTC Fall (2020)
Wenjia Liu, Xiaolin Hou, Yoshihisa Kishiyama, Lan Chen, Takahiro Asai
Transform Domain Precoding (TDP) for 5G Evolution and 6G. IEEE Signal Process. Lett. 27 (2020)
Nobuhide Nonaka, Kazushi Muraoka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai, Yoshihiro Matsumura
28 GHz-Band Experimental Trial at 283 km/h Using the Shinkansen for 5G Evolution. VTC Spring (2020)
Juan Liu, Wenjia Liu, Xiaolin Hou, Yoshihisa Kishiyama, Lan Chen, Takahiro Asai
Non-Orthogonal Waveform (NOW) for 5G Evolution and 6G. PIMRC (2020)
Daisuke Nojima, Yuki Katsumata, Yoshifumi Morihiro, Takahiro Asai, Akira Yamada, Shigeru Iwashina
RAN Slicing to Realize Resource Isolation Utilizing Ordinary Radio Resource Management for Network Slicing. IEICE Trans. Commun. (3) (2019)
Akiyoshi Inoki, Hirantha Abeysekera, Akira Kishida, Yoshifumi Morihiro, Takahiro Asai, Munehiro Matsui, Kenichi Kawamura, Yukihiko Okumura, Yasushi Takatori
Experimental Evaluation of Starved AP Identification and Management Schemes in Mobile Cooperative WLAN System toward 5G. VTC Spring (2018)
Akira Kishida, Yoshifumi Morihiro, Takahiro Asai, Yukihiko Okumura
Cell selection scheme for handover reduction based on moving direction and velocity of UEs for 5G multi-layered radio access networks. ICOIN (2018)
Daisuke Nojima, Yuki Katsumata, Takuya Shimojo, Yoshifumi Morihiro, Takahiro Asai, Akira Yamada, Shigeru Iwashina
Resource Isolation in RAN Part While Utilizing Ordinary Scheduling Algorithm for Network Slicing. VTC Spring (2018)
Akiyoshi Inoki, Hirantha Abeysekera, Munehiro Matsui, Kenichi Kawamura, Takeo Ichikawa, Yasushi Takatori, Masato Mizoguchi, Akira Kishida, Yoshifumi Morihiro, Takahiro Asai, Yukihiko Okumura
Throughput Improvement of Mobile Cooperative WLAN Systems with Identifying and Management of Starved APs/UEs for 5G. IEICE Trans. Commun. (8) (2017)
Akira Kishida, Yoshifumi Morihiro, Takahiro Asai
Radio Resource Management Based on User and Network Characteristics Considering 5G Radio Access Network in a Metropolitan Environment. IEICE Trans. Commun. (8) (2017)
Akiyoshi Inoki, B. Hirantha Sithira Abeysekera, Munehiro Matsui, Takeo Ichikawa, Masato Mizoguchi, Akira Kishida, Akira Yamada, Yoshifumi Morihiro, Takahiro Asai, Yukihiko Okumura
Starved wireless LAN device identifying scheme using beacon signals. WPMC (2016)
Hiroto Yasuda, Akira Kishida, Jiyun Shen, Yoshifumi Morihiro, Yasufumi Morioka, Satoshi Suyama, Akira Yamada, Yukihiko Okumura, Takahiro Asai
A Study on Moving Cell in 5G Cellular System. VTC Fall (2015)
Hitomi Yamada, Tadamasa Takemura, Takahiro Asai, Kazuya Okamoto, Tomohiro Kuroda, Shigeki Kuwata
A Development of Automatic Audit System for Written Informed Consent using Machine Learning. MedInfo (2015)
Takahiro Asai
5G radio access network and its requirements on mobile optical network. ONDM (2015)
Sho Nakazawa, Kohei Iwai, Mitsutoshi Nakamura, Takahiro Kubo, Takahiro Asai, Yukihiko Okumura, Hiroyuki Otsuka
Performance of Fiber-Optic Inband Relaying against Self-Interference in Both Uplink and Downlink. VTC Fall (2015)
Hiroyuki Otsuka, Naohiro Tanoi, Naoto Ogura, Takahiro Kubo, Takahiro Asai, Yukihiko Okumura
Performance Analysis of Fiber-Optic Inband Relaying in the Presence of Self-Interference. VTC Fall (2014)
Kengo Yagyu, Takeshi Nakamori, Hiroyuki Ishii, Mikio Iwamura, Nobuhiko Miki, Takahiro Asai, Junichiro Hagiwara
Investigation on Signaling Overhead for Mobility Management with Carrier Aggregation in LTE-Advanced. IEICE Trans. Commun. (12) (2011)
Yusuke Ohwatari, Nobuhiko Miki, Takahiro Asai, Tetsushi Abe, Hidekazu Taoka
Performance of Interference Rejection Combining Receiver to Suppress Inter-Cell Interference in LTE-Advanced Downlink. IEICE Trans. Commun. (12) (2011)
Yusuke Ohwatari, Nobuhiko Miki, Takahiro Asai, Tetsushi Abe, Hidekazu Taoka
Performance of Advanced Receiver Employing Interference Rejection Combining to Suppress Inter-Cell Interference in LTE-Advanced Downlink. VTC Fall (2011)
Masashige Shirakabe, Yoshiaki Ofuji, Akihito Hanaki, Nobuhiko Miki, Takahiro Asai, Junichiro Hagiwara
Study on resource allocation for VoIP traffic with subframe bundling in LTE uplink. WPMC (2011)
Kengo Yagyu, Takeshi Nakamori, Hiroyuki Ishii, Mikio Iwamura, Nobuhiko Miki, Takahiro Asai, Junichiro Hagiwara
Investigation on Mobility Management for Carrier Aggregation in LTE-Advanced. VTC Fall (2011)
Hiromasa Fujii, Takahiro Asai, Tomoyuki Ohya
Optimum Weighting for Adaptive Array Antennas under Spectrum Sharing Environments. VTC Spring (2010)
Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura, Ryoko Kawauchi, Ikuo Hiradate, Hayato Akazawa, Takayuki Sotoyama
Capacity achievable by spectrum sharing with adaptive transmit power control: Based on field measurements. CrownCom (2009)
Toshihisa Fujiwara, Shigeru Tomisato, Masaharu Hata, Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura
An adaptive soft clipping method for spectrum sharing OFDMA systems. PIMRC (2009)
Jaturong Sangiamwong, Takahiro Asai, Junichiro Hagiwara, Yukihiko Okumura, Tomoyuki Ohya
Joint Multi-Filter Design for Full-Duplex MU-MIMO Relaying. VTC Spring (2009)
Anass Benjebbour, Takahiro Asai, Hitoshi Yoshino
Nonparametric Interference Suppression Using Cyclic Wiener Filtering: Pulse Shape Design and Performance Evaluation. EURASIP J. Wirel. Commun. Netw. 2008 (2008)
Koji Maeda, Anass Benjebbour, Takahiro Asai, Tatsuo Furuno, Tomoyuki Ohya
Cyclostationarity-Inducing Transmission Methods for Recognition among OFDM-Based Systems. EURASIP J. Wirel. Commun. Netw. 2008 (2008)
Hui Shi, Tetsushi Abe, Takahiro Asai, Hitoshi Yoshino
Relaying Schemes Using Matrix Triangularization for MIMO Wireless Networks. IEEE Trans. Commun. 55 (9) (2007)
Hui Shi, Tetsushi Abe, Takahiro Asai, Hitoshi Yoshino
Analyses of Achievable Gains in Half Duplex MIMO Relaying Schemes Using Multiple Relay Nodes. IEICE Trans. Commun. (9) (2007)
Tetsushi Abe, Hui Shi, Takahiro Asai, Hitoshi Yoshino
Relay Techniques for MIMO Wireless Networks with Multiple Source and Destination Pairs. EURASIP J. Wirel. Commun. Netw. 2006 (2006)
Jiyun Shen, Hiromasa Fujii, Takahiro Asai, Hitoshi Yoshino
Sequential Search Method with Different Thresholds for Clipped Power for OFDM Signal. VTC Spring (2006)
Anass Benjebbour, Takahiro Asai, Hitoshi Yoshino
Pulse Shaping Schemes for Cyclostationarity-Exploiting Partially Coordinated Spectrum Sharing. PIMRC (2006)
Anass Benjebbour, Takahiro Asai, Hitoshi Yoshino
Pulse Shape Design for Efficient Rejection of Unknown In-Band Interference Using Cyclic Wiener Filtering. VTC Fall (2006)
Hui Shi, Takahiro Asai, Hitoshi Yoshino
A "Relay Node Division Duplex" Relaying Approach for MIMO Relay Networks. PIMRC (2006)
Yihong Qi, Takahiro Asai, Hitoshi Yoshino, Nobuo Nakajima
On geolocation in ill-conditioned BS-MS layouts. ICASSP (5) (2005)
Koji Maeda, Takahiro Asai, Hitoshi Yoshino
Successive multi-user detector with ordering for signals having different symbol rates. PIMRC (2005)
Hui Shi, Tetsushi Abe, Takahiro Asai, Hitoshi Yoshino
A relaying scheme using QR decomposition with phase control for MIMO wireless networks. ICC (2005)
Tetsushi Abe, Takahiro Asai, Hirohito Suda
A practical throughput comparison of MIMO-CDMA and MIMO-OFDM. VTC Fall (2) (2004)
Takahiro Asai, Kenichi Higuchi, Mamoru Sawahashi
Experimental Evaluations on Throughput Performance of Adaptive Modulation and Channel Coding and Hybrid ARQ in HSDPA. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (7) (2003)
Satoshi Tsukamoto, Takuji Sasoh, Takahiro Sakaki, Toshiyuki Okamura, Shigeru Tomisato, Takahiro Asai, Tadashi Matsumoto
A complex baseband platform for spatial-temporal mobile radio channel simulations. IEEE Trans. Veh. Technol. 51 (5) (2002)
Hiroo Omori, Takahiro Asai, Tadashi Matsumoto
A matched filter approximation for SC/MMSE iterative equalizers. IEEE Commun. Lett. 5 (7) (2001)
Hiroo Omori, Takahiro Asai, Tadashi Matsumoto
A matched filter approximation for SC/MMSE iterative equalizers. VTC Fall (2001)
Osamu Nakayama, Shinji Kobayashi, Katsuyuki Omura, Takahiro Asai, Mitsuhiro Tomoda, Teruki Kamada
Development of Surface Inspection Machine for Organic Photo Conductor(OPC). MVA (1994)