Takeshi Onizawa

35 papers B 4Misc 1Journal 21Unranked 9
YearRankTypeTitle / Venue / Authors
2025 J jnl
2D Pre-Beamforming Control Method via Analog Radio Over Fiber for Wireless Communication Systems With Massive Planar Array Antenna.
IEEE Access
Mizuki Suga, Yuta Takahashi, Yasuyoshi Yamamoto, Hideki Toshinaga, Naoki Kita, Takeshi Onizawa
2024 Misc conf
Performance Evaluation of MIMO-FTN Signaling under Multipath Fading Channels with PA Non-Linearity.
ICNC
Hao-Tse Chiu, Shuhei Saito, Keita Kuriyama, Kentaro Tanaka, Hitoshi Hasegawa, Toshifumi Miyagi, Takeshi Onizawa, Fumiaki Maehara
2023 J jnl
Analog-Circuit Domain Cancellation with Optimal Feedback Path Selection on Full-Duplex Relay Systems.
IEICE Trans. Commun.
Hayato Fukuzono, Keita Kuriyama, Masafumi Yoshioka, Toshifumi Miyagi, Takeshi Onizawa
2023 J jnl
Performance Evaluation of MIMO-FTN Signaling Under Multipath Fading Channels.
IEEE Access
Hao-Tse Chiu, Shuhei Saito, Hirofumi Suganuma, Keita Kuriyama, Kentaro Tanaka, Hitoshi Hasegawa, Toshifumi Miyagi, Takeshi Onizawa, Fumiaki Maehara
2021 J jnl
Comprehensive Feasibility Study on Direct Spectrum Division Transmission over Multiple Satellite Transponders.
IEICE Trans. Commun.
Fumihiro Yamashita, Daisuke Goto, Yasuyoshi Kojima, Jun-ichi Abe, Takeshi Onizawa
2021 J jnl
Extension of ITU-R Site-General Path Loss Model in Urban Areas Based on Measurements from 2 to 66GHz Bands.
IEICE Trans. Commun.
Motoharu Sasaki, Mitsuki Nakamura, Nobuaki Kuno, Wataru Yamada, Naoki Kita, Takeshi Onizawa, Yasushi Takatori, Hiroyuki Nakamura, Minoru Inomata, Koshiro Kitao, Tetsuro Imai
2021 J jnl
Simple Weight Calculation Methods for Millimeter Wave Band Massive Antenna Array in Direct Wave Dominant Environment.
IEICE Trans. Commun.
Mizuki Suga, Yushi Shirato, Naoki Kita, Takeshi Onizawa
2020 — conf
Experimental Evaluation of Remote Beamforming Scheme with Fixed Wavelength Allocation for Radio-over-Fiber Systems.
ECOC
Kota Ito, Mizuki Suga, Yushi Shirato, Naoki Kita, Takeshi Onizawa
2019 — conf
5G R&D Achievements for High-Data-Rate and Low-Power-Consumption Radio Access Technologies with Higher-Frequency-Band and Wider-Bandwidth Massive MIMO.
VTC Spring
Yukihiko Okumura, Satoshi Suyama, Naoto Ishii, Yasushi Maruta, Akihiro Okazaki, Atsushi Okamura, Jun Terada, Takeshi Onizawa
2019 J jnl
Experimental Verification of 1-Tap Time Domain Beamforming for P-MP Relay System via 75 GHz Band Measured CSI.
IEICE Trans. Commun.
Mizuki Suga, Atsushi Ohta, Kazuto Goto, Takahiro Tsuchiya, Nobuaki Otsuki, Yushi Shirato, Naoki Kita, Takeshi Onizawa
2019 J jnl
Path Loss Model in Crowded Outdoor Environments Considering Multiple Human Body Shadowing of Multipath at 4.7GHz and 26.4GHz.
IEICE Trans. Commun.
Mitsuki Nakamura, Motoharu Sasaki, Wataru Yamada, Naoki Kita, Takeshi Onizawa, Yasushi Takatori, Masashi Nakatsugawa, Minoru Inomata, Koshiro Kitao, Tetsuro Imai
2018 J jnl
Frequency Dependency of Path Loss Between Different Floors in An Indoor Office Environment at UHF and SHF Bands.
IEICE Trans. Commun.
Motoharu Sasaki, Minoru Inomata, Wataru Yamada, Naoki Kita, Takeshi Onizawa, Masashi Nakatsugawa, Koshiro Kitao, Tetsuro Imai
2018 J jnl
Path Loss Model Considering Blockage Effects of Traffic Signs Up to 40GHz in Urban Microcell Environments.
IEICE Trans. Commun.
Motoharu Sasaki, Minoru Inomata, Wataru Yamada, Naoki Kita, Takeshi Onizawa, Masashi Nakatsugawa, Koshiro Kitao, Tetsuro Imai
2017 J jnl
Path Loss Model for Outdoor-to-Indoor Corridor Up to 40GHz Band in Microcell Environments.
IEICE Trans. Commun.
Minoru Inomata, Motoharu Sasaki, Wataru Yamada, Takeshi Onizawa, Masashi Nakatsugawa, Nobutaka Omaki, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura
2014 J jnl
A New Simple Packet Combining Scheme Employing Maximum Likelihood Detection for MIMO-OFDM Transmission in Relay Channels.
IEICE Trans. Commun.
Takeshi Onizawa, Hiroki Shibayama, Masashi Iwabuchi, Akira Kishida, Makoto Umeuchi, Tetsu Sakata
2014 J jnl
Frame Collision Reduction Method Employing Adaptive Transmission Control for IEEE802.11 Wireless LAN System.
IEICE Trans. Commun.
Akira Kishida, Masashi Iwabuchi, Toshiyuki Shintaku, Takeshi Onizawa, Tetsu Sakata
2009 J jnl
Experiments on FPGA-Implemented Eigenbeam MIMO-OFDM With Transmit Antenna Selection.
IEEE Trans. Veh. Technol.
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai
2007 J jnl
A New Ordered Decision Feedback Equalization Algorithm for Spatial Multiplexing Systems in MIMO Channel.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Wenjie Jiang, Yusuke Asai, Takeshi Onizawa, Satoru Aikawa
2007 J jnl
A Simple and Feasible Decision-Feedback Channel Tracking Scheme for MIMO-OFDM Systems.
IEICE Trans. Commun.
Yusuke Asai, Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
2007 J jnl
A Synchronization Scheme for Packet Mode MIMO-OFDM Signals in Wireless LAN.
IEICE Trans. Commun.
Takeshi Onizawa, Takafumi Fujita, Yusuke Asai, Daisei Uchida, Atsushi Ohta, Satoru Aikawa
2007 J jnl
Experimental Studies on a Decision-Feedback Channel Tracking Scheme Implemented in FPGA for MIMO-OFDM Systems.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yusuke Asai, Wenjie Jiang, Takeshi Onizawa
2007 — conf
Packet-Combining Demodulation Scheme for Cooperative MIMO-OFDM Transmission.
VTC Fall
Takeshi Onizawa, Yusuke Asai, Takeo Ichikawa, Hiroshi Kazama
2006 — conf
A Simplified Decision-Feedback Channel Tracking Scheme for MIMO-OFDM Systems.
VTC Fall
Yusuke Asai, Wenjie Jiang, Takeshi Onizawa, Satoru Aikawa, Daisei Uchida, Atsushi Ohta
2006 B conf
Efficient Detection Algorithms for Spatial Multiplexing Systems.
PIMRC
Wenjie Jiang, Yusuke Asai, Takeshi Onizawa, Satoru Aikawa
2006 — conf
Experimental Evaluation of Eigenbeam MIMO-OFDM Implemented in FPGA for Wireless LAN.
VTC Spring
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
2006 B conf
Experimental Evaluation of Transmit Antenna Selection Implemented in FPGA for Eigenbeam MIMO-OFDM.
PIMRC
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
2006 — conf
Experimental Evaluation of Transmit Antenna Selection Implemented in FPGA for MIMO-OFDM.
VTC Fall
Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
2006 J jnl
FPGA Implementation of Eigenbeam MIMO-OFDM for Wireless LAN and Its Experimental Performance.
IEICE Trans. Commun.
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
2006 — conf
Fast Algorithm for Decision Feedback Equalization in Multiple Input Multiple Output Channel.
VTC Spring
Wenjie Jiang, Yusuke Asai, Takeshi Onizawa, Satoru Aikawa
2006 — conf
MMSE Criterion Fast Decision Feedback Equalization Algorithm for Spatial Multiplexing Systems.
VTC Fall
Wenjie Jiang, Yusuke Asai, Takeshi Onizawa, Satoru Aikawa
2005 J jnl
A Reduced-Complexity Signal Detection Scheme Employing ZF and K-Best Algorithms for OFDM/SDM.
IEICE Trans. Commun.
Takafumi Fujita, Atsushi Ohta, Takeshi Onizawa, Takatoshi Sugiyama
2005 J jnl
A Simplified Maximum Likelihood Detector for OFDM-SDM Systems in Wireless LAN.
IEICE Trans. Commun.
Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
2004 B conf
A new signal detection scheme combining ZF and K-best algorithms for OFDM/SDM.
PIMRC
Tukafunzi Fujita, Takeshi Onizawa, Wenjie Jiang, Daisei Uchida, Takatoshi Sugiyama, Atsushi Ohta
2002 — conf
A new simple adaptive phase tracking scheme employing phase noise estimation for OFDM signals.
VTC Spring
Takeshi Onizawa, Masato Mizoguchi, Tetsu Sakata, Masahiro Morikura
1998 B conf
A maximal ratio combining frequency diversity ARQ scheme for OFDM signals.
PIMRC
Tomoaki Kumagai, Masato Mizoguchi, Takeshi Onizawa, Hitoshi Takanashi, Masahiro Morikura