Tadashi Takagi

发表

Low Quiescent Current SiGe HBT Driver Amplifier Having Self Base Bias Control Circuit

Shintaro Shinjo, Noriharu Suematsu, Kazutomi Mori, 2002 .

A Millimeter-Wave Monolithic High Power Amplifier Using a Novel Tandem FET

Tadashi Takagi, Kiyoharu Seino, Takuo Kashiwa, 1992 .

1/2fs Direct RF Under Sampling Receiver for Multi Channel Satellite Systems

Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu, 2015, IEICE Trans. Electron..

A Calibrationless Si-CMOS 5-bit Baseband Phase Shifter Using a Fixed-Gain-Amplifier Matrix

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2013, IEICE Trans. Electron..

A Large-Signal Simulation Program for Multi-Stage Power Amplifier Modules by Using a Novel Interpolation

Koji Yamanaka, Kazutomi Mori, Tadashi Takagi, 2001, 2001 31st European Microwave Conference.

An L-Band High Efficiency and Low Distortion Multi-Stage Amplifier Using Self Phase Distortion Compensation Technique(Special Issue on Low-Distortion, High-Power, High-Efficiency Active Device and Circuit Technology)

Shintaro Shinjo, Akira Ohta, Kazutomi Mori, 2002 .

A 12-ps-resolution digital variable-delay macro cell on GaAs 100 K-gates gate array using a meshed air bridge structure

Noriyuki Tanino, Akira Ohta, Tadashi Takagi, 1999 .

Traffic navigation using positioning information and channel quality map for system-wide load balancing

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2015, 2015 Asia-Pacific Microwave Conference (APMC).

60-GHz band beam forming receiver RFIC for broadband communication phased array antenna module

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2013, 2013 Asia-Pacific Microwave Conference Proceedings (APMC).

Proposal of Heterogeneous Wireless Network with Handover in Application Layer: Feasibility Study Based on Field Trial Results

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2012, IEICE Trans. Commun..

5GHz Si-CMOS differential power amplifier module with directly connected dipole antenna

Satoshi Yoshida, Hiroyuki Nakase, Suguru Kameda, 2008, IEICE Electron. Express.

System stability of SS-CDMA location and short message communication using QZSS

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2014, 2014 Asia-Pacific Microwave Conference.

An ultrabroadband monolithic lossy match power amplifier using prematching circuits

Yasushi Itoh, Tadashi Takagi, Masatoshi Nii, 1996 .

Modeling indoor-outdoor propagation in wooden residential area at 2.5 GHz and 3.5 GHz bands

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2017, 2017 International Conference on Computing, Networking and Communications (ICNC).

Large-capacity QZSS location and short message system using Frame Slotted ALOHA with Flag Method

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2013, 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC).

A GSM900/DCS1800 Dual-Band MMIC Power Amplifier Using Outside-Base/Center-Via-Hole Layout Multifinger HBT (Special Issue on High-Frequency/speed Devices in the 21st Century)

Kazutomi Mori, Tadashi Takagi, Yukio Ikeda, 1999 .

Implementation of Single Carrier Packet Transmission with Frequency Domain Equalization

Fumiyuki Adachi, Suguru Kameda, Tadashi Takagi, 2008, 2008 IEEE 68th Vehicular Technology Conference.

24.8dBm power handling 60GHz Transmit/Receive switch using series and shunt FETs in 90nm Si-CMOS process

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2011, 2011 6th European Microwave Integrated Circuit Conference.

A W-BAND MONOLITHIC LOW NOISE AlGaAdInGaAs PSEUDOMORPHIC HEMT WITH WAVEGUIDE INTERFACE AMPLIFIER MOUNTED ON A SMALL HERMETICALLY-SEALED PACKAGE

Yasushi Itoh, Tadashi Takagi, Takuo Kashiwa, 1995 .

Hybrid single-carrier and multi-carrier system: Improving uplink throughput with optimally switching modulation

Suguru Kameda, Tadashi Takagi, Yuji Miyake, 2010, 21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications.

Analysis of High Power Amplifier Instability due to f_0/2Loop Oscillation

Yasushi Itoh, Tadashi Takagi, Yukinobu Tarui, 1995 .

High efficient network selection scheme using location information for heterogeneous wireless system

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2015, 2015 IEEE Wireless Communications and Networking Conference Workshops (WCNCW).

A Distortion Analysis Method for FET Amplifiers Using Novel Frequency-Dependent Complex Power Series Model

Kazutomi Mori, Tadashi Takagi, Masatoshi Nakayama, 1999 .

An Even Harmonic Quadrature Mixer with a Simple Filter Configuration and an Integrated LTCC Module for W-CDMA Direct Conversion Receiver

Mitsuhiro Shimozawa, Noriharu Suematsu, Tadashi Takagi, 2006, IEICE Trans. Electron..

A Millimeter-Wave WPAN Adaptive Phased Array Control Method Using Low-Frequency Part of Signal for Self-Directed System

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2015, IEEE Transactions on Microwave Theory and Techniques.

Investigation on single-carrier and multi-carrier hybrid system for uplink

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2009, 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications.

A 60 GHz Band 2×4 planar dipole phased array antenna using flip chip mounted MMIC mixers

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2013, 2013 European Radar Conference.

ASIC implementation of multimode frequency domain equalizer for heterogeneous wireless system

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2013, 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC).

Self-directed beamforming IF receiver for broadband communication using low frequency loop control

Mizuki Motoyoshi, Noriharu Suematsu, Tadashi Takagi, 2015, 2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT).

A proposal of WLAN control scheme using separated channel

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2014, 2014 IEEE 25th Annual International Symposium on Personal, Indoor, and Mobile Radio Communication (PIMRC).

A Compact Ku-Band 5-Bit MMIC Phase Shifter

Tadashi Takagi, Morishige Hieda, Hitoshi Kurusu, 2003 .

A constant envelope modulation method using orthogonal frequency allocated multi-carrier MSK for broadband wireless system

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2010, International Conference on Communications and Electronics 2010.

Measured downlink throughput performance of MBWA system in urban area

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2008, 2008 IEEE International Symposium on Wireless Communication Systems.

1/2fs direct RF under sampling reception in different RX channels

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2014, 2014 Asia-Pacific Microwave Conference.

Experimental evaluation of timing synchronization accuracy for QZSS short message synchronized SS-CDMA communication

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2016, 2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC).

A novel cell selection scheme using positioning information for heterogeneous wireless system

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2014, 2014 IEEE 25th Annual International Symposium on Personal, Indoor, and Mobile Radio Communication (PIMRC).

5-GHz band 3-stacked meander line antenna using multi-layered organic substrates

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2010, 2010 IEEE Antennas and Propagation Society International Symposium.

Hetero-plane beam synthesis using 60 GHz band 3-D phased array antenna module

Satoshi Yoshida, Suguru Kameda, Noriharu Suematsu, 2014, 2014 IEEE Radio and Wireless Symposium (RWS).

Millimeter-Wave Monolithic AlGaAs/InGaAs/GaAs Pseudomorphic HEMT Low Noise Amplifier Modules for Advanced Microwave Scanning Radiometer

Yasushi Itoh, Tadashi Takagi, Takayuki Katoh, 1995 .

5 GHz-band CMOS direct digital RF modulator using current-mode DAC with idle current

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2013, 2013 IEEE International Wireless Symposium (IWS).

A 60 GHz-Band 3-Dimensional System-in-Package Transmitter Module with Integrated Antenna

Satoshi Yoshida, Suguru Kameda, Noriharu Suematsu, 2012, IEICE Trans. Electron..

Copper balls interconnection technology for 60 GHz band 3-D system-in-package modules

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2010, 2010 Asia-Pacific Microwave Conference.

A 0.8–1.9GHz-band CMOS direct digital RF quadrature modulator

Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi, 2015, 2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT).

60-GHz Band Copper Ball Vertical Interconnection for MMW 3-D System-in-Package Front-End Modules

Satoshi Yoshida, Suguru Kameda, Noriharu Suematsu, 2012, IEICE Trans. Electron..

A 2 ∼ 18‐GHz band distributed MMIC amplifier with single supply bias network

Tadashi Takagi, Takahide Ishikawa, Kiyoharu Seino, 1988 .

Efficiency Enhancement of a Digital Predistortion Doherty Amplifier Transmitter Using a Virtual Open Stub Technique

Tadashi Takagi, Masatoshi Nakayama, Ryoji Hayashi, 2007, IEICE Trans. Electron..

Proposal of heterogeneous wireless communication network with soft handover in application layer: Feasibility study based on field trial results

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2011, 2011 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications (CROWNCOM).

Efficient random access control scheme with reservation channel for QZSS short message SS-CDMA communication

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2016, 2016 IEEE Wireless Communications and Networking Conference.

60GHz antenna integrated transmitter module using 3-D SiP technology and organic substrates

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2011, 2011 41st European Microwave Conference.

GaAs 10 Gb/s 64:1 Multiplexer/Demultiplexer Chip Sets (Special Issue on Ultra-High-Speed LSIs)

Noriyuki Tanino, Akira Ohta, Tadashi Takagi, 1996 .

Intermodulation and Noise Power Ratio Analysis of Multiple-Carrier Amplifiers Using Discrete Fourier Transform (Special Issue on Measurement Techniques for Microwave/Millimeter Wave)

Noriharu Suematsu, Tadashi Takagi, Satoshi Ogura, 1994 .

Location-based virtual sector method for interference control in WLAN multicell environment

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2015, 2015 International Conference on Information and Communication Technology Convergence (ICTC).

A 5 GHz Band Low Noise and Wide Tuning Range Si-CMOS VCO with a Novel Varactors Pair Circuit

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2010, IEICE Trans. Electron..

A Ku-Band Matched Embedded-FET Phase Shifter

Tadashi Takagi, Morishige Hieda, Hitoshi Kurusu, 1999, 1999 29th European Microwave Conference.

Hybrid single-carrier and multi-carrier system: Widening uplink coverage with optimally selecting SDM or join FDE/antenna diversity

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2011, 2011 The 14th International Symposium on Wireless Personal Multimedia Communications (WPMC).

Improvement of bit error rate using channel interleaving for channel binding WLAN prototype

Hiroyuki Nakase, Suguru Kameda, Tadashi Takagi, 2008, 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications.

Uplink throughput performance of FH-OFDMA improved by 16 QAM: Effect estimation and validation in MBWA system field trial

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2009, 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications.

A 2.0 GHz CMOS triple cascode push-pull power amplifier with second harmonic injection for linearity enhancement

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2014, 2014 44th European Microwave Conference.

Linearization of CMOS triple cascode push-pull power amplifiers by second harmonic feedback

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2014, 2014 Asia-Pacific Microwave Conference.

A low cross polarization 5 GHz-band 3-stacked meander-line antenna integrated with a meander-line shape balun

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2011, Proceedings of the 5th European Conference on Antennas and Propagation (EUCAP).

Influence of hand tremor for 60-GHz-band broadband wireless communication terminal based on advanced kiosk model

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2010, 2010 Asia-Pacific Microwave Conference.

Coverage Estimation of Uplink 16 QAM Signal up to 20 MHz Bandwidth Based on Field Trial Results of FH-OFDMA System

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2010, 2010 IEEE Wireless Communication and Networking Conference.

A 5GHz band low noise and wide tuning range Si-CMOS VCO

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2009, 2009 IEEE Radio Frequency Integrated Circuits Symposium.

Evaluation of High-Speed and Large-Capacity RFID Inventory Method using 1-Bit Flag

Hiroyuki Nakase, Suguru Kameda, Tadashi Takagi, 2007, 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications.

Method of designing high‐efficiency UHF‐band monolithic multistage FET amplifier using harmonic terminating technique

Tadashi Takagi, Yasuharu Nakajima, Tsutomu Hashimoto, 1994 .

The 60GHz Band Multi-Carrier Wireless System for 2Gbps Transmission with Constant Envelope Modulation

Hiroyuki Nakase, Suguru Kameda, Tadashi Takagi, 2007, 2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications.

A C-Ku Band 5-Bit MMIC Phase Shifter Using Optimized Reflective Series/Parallel LC Circuits

Tadashi Takagi, Yukinobu Tarui, Morishige Hieda, 2003 .

Wideband High Power Amplifier Design Using Novel Band-Pass Filters with FET's Parasitic Reactances (Special Issue on Microwave and Millimeter-Wave Technology for Advanced Functioions and Size-Reductions)

Yasushi Itoh, Tadashi Takagi, Tsutomu Hashimoto, 1993 .

Radiation characteristics of a planar monopole antenna integrated with a 60GHz band WPAN module using organic substrates

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2010, Proceedings of the Fourth European Conference on Antennas and Propagation.

A Millimeter-Wave Pulse Transmitter with a Harmonic Mixer

Tadashi Takagi, Moriyasu Miyazaki, Koichi Matsuo, 2005, IEICE Trans. Electron..

A High Efficiency Bias Condition Optimized Feedforward Power Amplifier with a Series Diode Linearizer(Special Issue on Low-Distortion, High-Power, High-Efficiency Active Device and Circuit Technology)

Tadashi Takagi, Masatoshi Nakayama, Yuji Sakai, 2002 .

60-GHz-band planar slot antenna using organic substrates for ultra-small WPAN modules

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2010, International Conference on Communications and Electronics 2010.

5GHz band low phase noise Si-CMOS oscillator using FBAR

Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi, 2010, IEICE Electron. Express.

A 60-GHz-band 2 x 4 planar dipole array antenna module fabricated by 3-D SiP technology

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2014 .

Coverage estimation of uplink 64 QAM signal up to 20 MHz bandwidth based on field trial results: coverage issue of broadband uplink signal

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2011, 2011 The 14th International Symposium on Wireless Personal Multimedia Communications (WPMC).

A microwave miniaturized linearizer using a parallel diode

Kazutomi Mori, Tadashi Takagi, Y. Mitsui, 1997, IMS 1997.

Hybrid single-carrier and multi-carrier system: Evaluation of throughput with inter-cell interference

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2012, 2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC).

Si Substrate Resistivity Design for On-Chip Matching Circuit Based on Electro-Magnetic Simulation

Noriharu Suematsu, S. Kubo, Tadashi Takagi, 2001 .

An Efficient Large-Signal Modeling Method Using Load-Line Analysis and Its Application to Non-linear Characterization of FET

Yasushi Itoh, Kazutomi Mori, Tadashi Takagi, 2001 .

A Wideband Monolithic Lossy Match Power Amplifier Having an LPF/HPF-Combined Interstage Network

Yasushi Itoh, Tadashi Takagi, Masatoshi Nii, 1995 .

A 270 GHz-Band Planer Type MMIC Image Rejection SIS Mixer

Tadashi Takagi, Morishige Hieda, Tetsuya Takami, 2003 .

A series/shunt switching type sample and hold CMOS IC for 1 GHz-band direct RF under sampling reception

Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu, 2014, 2014 Asia-Pacific Microwave Conference.

z 15-W GaAs MESFET Amplifier ain and Power Responses

Yasushi Itoh, Tadashi Takagi, Masaki Kohno, 1995 .

A 60-GHz Band Planar Dipole Array Antenna Using 3-D SiP Structure in Small Wireless Terminals for Beamforming Applications

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2013, IEEE Transactions on Antennas and Propagation.

A 5-10 GHz 15-W GaAs MESFET amplifier with flat gain and power responses

Tadashi Takagi, Y. Mitsui, Y. Itoh, 1995 .

A Ku-band series/shunt switching type S/H IC for direct RF under sampling reception

Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu, 2015, 2015 European Microwave Conference (EuMC).

A 6-18 GHz 5-Bit Phase Shifter MMIC Using Series/Parallel LC Circuit

Tadashi Takagi, Yukinobu Tarui, Morishige Hieda, 2002, 2002 32nd European Microwave Conference.

Design of a 60 GHz band 3-D phased array antenna module using 3-D SiP structure

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2013, 2013 Proceedings of the International Symposium on Antennas & Propagation.

An ultra-broad-band reflection-type phase-shifter MMIC with series and parallel LC circuits

Tadashi Takagi, Morishige Hieda, Hitoshi Kurusu, 2001, IMS 2001.

Channel quality map construction scheme using location information for heterogeneous wireless network

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2015 .

The improvement of efficiency in L-band 10W GaN HEMT power amplifier by harmonic injection

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2014, 2014 Asia-Pacific Microwave Conference.

High-isolation series-shunt FET SPDT switch with a capacitor canceling FET parasitic inductance

Tadashi Takagi, Morishige Hieda, Hitoshi Kurusu, 2001 .

Gamma dose effect on low noise AlGaAs/InGaAs PHEMT at millimeter-wave frequency

Tadashi Takagi, Takuo Kashiwa, K. Yajima, 1997 .

High sampling rate 1 GS/s current mode pipeline ADC in 90 nm Si-CMOS process

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2011, 2011 IEEE MTT-S International Microwave Workshop Series on Intelligent Radio for Future Personal Terminals.

A high-gain planar dipole antenna for 60-GHz band 3-D system-in-package modules

Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, 2011, 2011 IEEE International Symposium on Antennas and Propagation (APSURSI).