Tadashi Takagi

39 papers B 14Misc 1Journal 15Unranked 9
YearRankTypeTitle / Venue / Authors
2019 J jnl
Evaluation of Synchronized SS-CDMA for QZSS Safety Confirmation System.
IEEE Trans. Veh. Technol.
Suguru Kameda, Akinori Taira, Yuji Miyake, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2017 Misc conf
Modeling indoor-outdoor propagation in wooden residential area at 2.5 GHz and 3.5 GHz bands.
ICNC
Hideki Fukudome, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2016 B conf
Efficient random access control scheme with reservation channel for QZSS short message SS-CDMA communication.
WCNC
Kei Ohya, Tomohide Takahashi, Suguru Kameda, Hiroshi Oguma, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2016 B conf
Experimental evaluation of timing synchronization accuracy for QZSS short message synchronized SS-CDMA communication.
PIMRC
Kei Ohya, Suguru Kameda, Hiroshi Oguma, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2015 J jnl
1/2
IEICE Trans. Electron.
Daliso Banda, Mizuki Motoyoshi, Tomokazu Koizumi, Osamu Wada, Tuan Thanh Ta, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2015 — conf
High efficient network selection scheme using location information for heterogeneous wireless system.
WCNC Workshops
Junpei Kuboniwa, Yuji Miyake, Suguru Kameda, Akinori Taira, Hiroshi Oguma, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2015 — conf
Location-based virtual sector method for interference control in WLAN multicell environment.
ICTC
Kohei Akimoto, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2014 B conf
A novel cell selection scheme using positioning information for heterogeneous wireless system.
PIMRC
Junpei Kuboniwa, Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2014 B conf
A proposal of WLAN control scheme using separated channel.
PIMRC
Minzhi Huang, Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2014 — conf
Hetero-plane beam synthesis using 60 GHz band 3-D phased array antenna module.
RWS
Yuya Suzuki, Satoshi Yoshida, Suguru Kameda, Noriharu Suematsu, Akinori Taira, Tadashi Takagi, Kazuo Tsubouchi
2013 J jnl
A Calibrationless Si-CMOS 5-bit Baseband Phase Shifter Using a Fixed-Gain-Amplifier Matrix.
IEICE Trans. Electron.
Tuan Thanh Ta, Shoichi Tanifuji, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2013 B conf
ASIC implementation of multimode frequency domain equalizer for heterogeneous wireless system.
PIMRC
Yuji Miyake, Kazuhiro Komatsu, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Makoto Iwata, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2013 B conf
Large-capacity QZSS location and short message system using Frame Slotted ALOHA with Flag Method.
PIMRC
Tomohide Takahashi, Yuji Miyake, Fumihiro Yamagata, Hiroshi Oguma, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2013 J jnl
Measured Downlink Throughput Performance of MBWA System in Urban Area.
IEICE Trans. Commun.
Suguru Kameda, Hiroshi Oguma, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2012 J jnl
60-GHz Band Copper Ball Vertical Interconnection for MMW 3-D System-in-Package Front-End Modules.
IEICE Trans. Electron.
Satoshi Yoshida, Shoichi Tanifuji, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2012 J jnl
A 60 GHz-Band 3-Dimensional System-in-Package Transmitter Module with Integrated Antenna.
IEICE Trans. Electron.
Noriharu Suematsu, Satoshi Yoshida, Shoichi Tanifuji, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi
2012 B conf
Hybrid single-carrier and multi-carrier system: Evaluation of throughput with inter-cell interference.
PIMRC
Yuji Miyake, Fumihiro Yamagata, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2012 J jnl
Proposal of Heterogeneous Wireless Network with Handover in Application Layer: Feasibility Study Based on Field Trial Results.
IEICE Trans. Commun.
Suguru Kameda, Hiroshi Oguma, Noboru Izuka, Fumihiro Yamagata, Yasuyoshi Asano, Yoshiharu Yamazaki, Shoichi Tanifuji, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2011 — conf
Coverage estimation of uplink 64 QAM signal up to 20 MHz bandwidth based on field trial results: coverage issue of broadband uplink signal.
WPMC
Suguru Kameda, Hiroshi Oguma, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki, Kazuhiro Komatsu, Shoichi Tanifuji, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2011 — conf
Hybrid single-carrier and multi-carrier system: Widening uplink coverage with optimally selecting SDM or join FDE/antenna diversity.
WPMC
Yuji Miyake, Kazumasa Kobayashi, Kazuhiro Komatsu, Shoichi Tanifuji, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2011 — conf
Proposal of heterogeneous wireless communication network with soft handover in application layer: Feasibility study based on field trial results.
CrownCom
Suguru Kameda, Hiroshi Oguma, Noboru Izuka, Fumihiro Yamagata, Yasuyoshi Asano, Yoshiharu Yamazaki, Shoichi Tanifuji, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi
2010 J jnl
5GHz band low phase noise Si-CMOS oscillator using FBAR.
IEICE Electron. Express
Shoichi Tanifuji, Tuan Thanh Ta, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi
2010 J jnl
A 5 GHz Band Low Noise and Wide Tuning Range Si-CMOS VCO with a Novel Varactors Pair Circuit.
IEICE Trans. Electron.
Tuan Thanh Ta, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi
2010 B conf
Coverage Estimation of Uplink 16 QAM Signal up to 20 MHz Bandwidth Based on Field Trial Results of FH-OFDMA System.
WCNC
Hiroshi Oguma, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki
2010 B conf
Hybrid single-carrier and multi-carrier system: Improving uplink throughput with optimally switching modulation.
PIMRC
Shunsuke Tomita, Yuji Miyake, Ikuro Kashiwamura, Kazuhiro Komatsu, Ngoc Hao Tran, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi
2009 B conf
Investigation on single-carrier and multi-carrier hybrid system for uplink.
PIMRC
Ikuro Kashiwamura, Shunsuke Tomita, Kazuhiro Komatsu, Ngoc Hao Tran, Hiroshi Oguma, Noboru Izuka, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi
2009 B conf
Uplink throughput performance of FH-OFDMA improved by 16 QAM: Effect estimation and validation in MBWA system field trial.
PIMRC
Hiroshi Oguma, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki
2008 J jnl
5GHz Si-CMOS differential power amplifier module with directly connected dipole antenna.
IEICE Electron. Express
Kazuya Shimoyama, Satoshi Yoshida, Tuan Thanh Ta, Keisuke Matsuzaki, Hiroshi Oguma, Suguru Kameda, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi
2008 — conf
Implementation of Single Carrier Packet Transmission with Frequency Domain Equalization.
VTC Fall
Valentin Gheorghiu, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, Fumiyuki Adachi
2008 B conf
Improvement of bit error rate using channel interleaving for channel binding WLAN prototype.
PIMRC
Hiroyuki Nakase, Hiroshi Oguma, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, Mari Ochiai, Yukimasa Nagai, Akinori Fujimura, Yoji Isota
2008 — conf
Measured downlink throughput performance of MBWA system in urban area.
ISWCS
Hiroshi Oguma, Suguru Kameda, Noboru Izuka, Yasuyoshi Asano, Yoshiharu Yamazaki, Tadashi Takagi, Kazuo Tsubouchi
2007 J jnl
Efficiency Enhancement of a Digital Predistortion Doherty Amplifier Transmitter Using a Virtual Open Stub Technique.
IEICE Trans. Electron.
Kenichi Horiguchi, Satoru Ishizaka, Masatoshi Nakayama, Ryoji Hayashi, Yoji Isota, Tadashi Takagi
2007 B conf
Evaluation of High-Speed and Large-Capacity RFID Inventory Method using 1-Bit Flag.
PIMRC
Suguru Kameda, Satoru Fukuyo, Atsuyoshi Yamaguchi, Hiroshi Oguma, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi
2007 B conf
The 60GHz Band Multi-Carrier Wireless System for 2Gbps Transmission with Constant Envelope Modulation.
PIMRC
Shoichi Oshima, Goro Mori, Hiroshi Oguma, Suguru Kameda, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi
2006 J jnl
An Even Harmonic Quadrature Mixer with a Simple Filter Configuration and an Integrated LTCC Module for W-CDMA Direct Conversion Receiver.
IEICE Trans. Electron.
Mitsuhiro Shimozawa, Kenichi Maeda, Eiji Taniguchi, Keiichi Sadahiro, Takayuki Ikushima, Tamotsu Nishino, Noriharu Suematsu, Kenji Itoh, Yoji Isota, Tadashi Takagi
2006 — conf
High-Speed and Large-Capacity RFID Inventory Method Using 1-Bit Flag.
ISWCS
Suguru Kameda, Atsuyoshi Yamaguchi, Satoru Fukuyo, Hiroshi Oguma, Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi
2005 J jnl
A Millimeter-Wave Pulse Transmitter with a Harmonic Mixer.
IEICE Trans. Electron.
Kenji Kawakami, Hiroshi Ikematsu, Koichi Matsuo, Naohisa Uehara, Moriyasu Miyazaki, Tadashi Takagi
1999 J jnl
A 12-ps-resolution digital variable-delay macro cell on GaAs 100 K-gates gate array using a meshed air bridge structure.
IEEE J. Solid State Circuits
Akira Ohta, Norio Higashisaka, Tetsuya Heima, Takayuki Hisaka, Hirofumi Nakano, Ryuji Ohmura, Tadashi Takagi, Noriyuki Tanino
1996 J jnl
A single-chip GaAs RF transceiver for 1.9-GHz digital mobile communication systems.
IEEE J. Solid State Circuits
Kazuya Yamamoto, Kosei Maemura, Nobuyuki Kasai, Yutaka Yoshii, Yukio Miyazaki, Masatoshi Nakayama, Noriko Ogata, Tadashi Takagi, Mutsuyuki Otsubo