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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2010-07-29 14:20 |
Kyoto | ATR (Kyoto) | Measurement of Radio Resource Utilization on High Traffic Conditions with Wireless LAN and Bluetooth Systems
-- Toward Analyzing Radio Resource Utilization in ISM Band -- Satoshi Tsukamoto, Tomohiro Miyasaka, Kazuto Yano, Masazumi Ueba (ATR)  SR2010-20 |
In these days, many wireless systems are operating in ISM bands. There, many fragmented radio resources remain unused in... [more] | SR2010-20 pp.25-30 |
| AP | 2010-06-10 12:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Investigation of Radio Propagation in Narrow Space in ICT Equipments Shoichi Kitazawa (ATR), Masataka Ohira (ATR/Saitama Univ.), Takayuki Umaba (ATR/Mitsubishi Electric Corp.), Hiroshi Ban, Masazumi Ueba (ATR) AP2010-32 |
We conduct research and development to replace the wire harness in the ICT equipments with wireless communication techno... [more] | AP2010-32 pp.1-6 |
| RCS | 2009-10-15 16:10 |
Kyoto | ATR | [Invited Talk]
Utility and Problem by Using Switching in Radio and Antenna Systems Makoto Taromaru (ATR) RCS2009-120 |
With the advance of power semiconductor devices, power electronics technologies using such switching devices have been s... [more] | RCS2009-120 pp.61-64 |
| RCS | 2009-10-16 13:50 |
Kyoto | ATR | On Fairness among Self-Organizing Radio Systems in ISM Bands and Requirement for Their MAC Protocols Makoto Taromaru, Kazuto Yano, Masazumi Ueba (ATR) RCS2009-128 |
The authors raise an issue concerning MAC protocols to avoid interferences that are used for various radio systems in IS... [more] | RCS2009-128 pp.107-110 |
| RCS | 2009-08-04 13:50 |
Miyagi | Tohoku Univ. | On Evaluation Index of Power Efficiency for Transmitter Architecture with Amplitude-Modulated Final Stage Amplifier
-- Power Added Efficiency, Drain/Anode Efficiency, or Anything Suitable? -- Makoto Taromaru, Satoshi Tsukamoto, Keizo Inagaki, Kazuto Yano, Masazumi Ueba (ATR) RCS2009-102 |
A new power efficiency index for RF (radio frequency) power amplifiers is proposed. These amplifiers studied are saturat... [more] | RCS2009-102 pp.143-146 |
| SR | 2009-05-28 12:55 |
Niigata | Niigata Univ | Proposal of Band-Limited Spectrum-Division Single Carrier Transmission for Dynamic Spectrum Access in ISM Band Makoto Taromaru, Kazuto Yano, Masazumi Ueba (ATR) SR2009-2 |
A single carrier transmission system is proposed. It is a dynamic spectrum access system designed for ISM bands where va... [more] | SR2009-2 pp.7-12 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-04 16:30 |
Kanagawa | YRP | Conceptual Proposal of Dynamic Spectrum Access Sysytem for Efficient Spectrum Sharing in ISM Band Makoto Taromaru, Kazuto Yano, Satoshi Tsukamoto, Masazumi Ueba (ATR) SR2008-97 |
A system concept of a radio access communication system is proposed. The radio system is designed for an ISM band where ... [more] | SR2008-97 pp.53-57 |
| MW, ED | 2009-01-14 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A development of multi-port switch for 60GHz multi-sector switched-beam antenna Shoichi Kitazawa, Amane Miura, Masataka Ohira, Susumu Ano, Masazumi Ueba (ATR) |
(To be available after the conference date) [more] | |
| MW | 2008-08-28 15:10 |
Osaka | Osaka-Univ. (Toyonaka) | A Study of Dual Frequency Oscillator for the 60GHz FSK Modulation Shoichi Kitazawa, Makoto Taromaru, Masazumi Ueba (ATR) MW2008-87 |
[more] | MW2008-87 pp.47-50 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-06 15:50 |
Kanagawa | YRP | [Special Talk]
Studies on Efficient Spectrum Use in Space Domain
-- SDM application for small mobile terminals and Multi-user MIMO technologies -- Makoto Taromaru, Masazumi Ueba (ATR), Atsushi Ohta, Kazuyasu Okada, Shuji Kubota (NTT) SR2007-95 |
This paper presents the results of "Research and Development of Efficient Spectrum Use in Space Domain" which is one of ... [more] | SR2007-95 pp.67-74 |
| AP | 2008-01-25 16:40 |
Okinawa | Tyeruru.(Naha) | Fast Beamforming of a Multi-Port Parasitic Array Radiator Antenna Chen Sun, Makoto Taromaru (ATR) AP2007-160 |
The multi-port parasitic array radiator (MuPAR) antenna features multiple active elements connected with RF ports and mu... [more] | AP2007-160 pp.219-224 |
| MW | 2007-12-18 16:15 |
Fukui | Fukui Univ. | Design of a Planar Circuit Filter with Arbitrarily-Shaped DGS by Genetic Algorithm Tadashi Kido, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.), Masataka Ohira (ATR) MW2007-136 |
This paper develops planar circuit filters consisting of arbitrarily-shaped defected ground structure(DGS), which are de... [more] | MW2007-136 pp.53-58 |
| AP | 2007-10-19 13:50 |
Aomori | Hirosaki Univ. | Direction-of-Arrival Estimation of M-1 Signals based Unitary-ESPRIT and Successive-Selection Technique with an M-Element Hexagonal Array Eddy Taillefer, Jun Cheng, Makoto Taromaru (ATR) AP2007-100 |
A method for full-azimuth DoA estimation of multiple signals with a hexagonal array is proposed. The DoA estimation is p... [more] | AP2007-100 pp.75-80 |
| NLP | 2007-08-06 14:00 |
Shizuoka | Chaotic cavity lasers Susumu Shinohara (ATR), Takehiro Fukushima (Okayama Pref. Univ./ATR), Takahisa Harayama (ATR) NLP2007-44 |
To theoretically investigate emission patterns from two-dimensional microcavity lasers, two approaches are allowed, one ... [more] | NLP2007-44 pp.45-48 |
|
| RCS, MoNA, WBS, SR, MW (Joint) |
2007-03-09 16:50 |
Kanagawa | YRP | Research and Standardization activty for IEEE802.15.3c mmW WPAN
-- (6) Antenna -- Ichihiko Toyoda (NTT), Makoto Ando (TIT), Kyoichi Iigusa, Hirokazu Sawada (NICT), Kenichi Maruhashi, Naoyuki Orihashi (NEC), Tomohiro Seki (NTT), Seiji Nishi (OKI), Shoichi Kitazawa, Amane Miura (ATR), Yoshitsugu Fujita, Hiroshi Uchimura (KYOCERA), Tsukasa Yoneyama (MMEX), Jiro Hirokawa, Yasutake Hirachi (TIT) RCS2006-283 |
The IEEE 802.15.3 Task Group 3c (TG3c) is developing a millimeter-wave-based alternative physical layer (PHY) for the ex... [more] | RCS2006-283 pp.195-198 |
| RCS, SIP | 2007-01-26 13:40 |
Okinawa | NICT Okinawa | High Time Resolution Carrier Interferometry for SDM/OFDM Chang-Jun Ahn (ATR), Satoshi Takahashi (Hiroshima City Univ.), Makoto Taromaru (ATR) SIP2006-169 RCS2006-227 |
[more] | SIP2006-169 RCS2006-227 pp.63-68 |
| RCS, SIP | 2007-01-26 15:15 |
Okinawa | NICT Okinawa | Transmit Sector Selection with Considering the Link Correlation for SDM/OFDM Systems Chang-Jun Ahn (ATR), Satoshi Takahashi (Hiroshima City Univ.), Makoto Taromaru (ATR) SIP2006-173 RCS2006-231 |
[more] | SIP2006-173 RCS2006-231 pp.87-90 |
| ISEC | 2006-09-13 16:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A study on error correction in secret key agreement scheme using ESPAR antenna Kenya Horai, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.), Takashi Ohira (ATR) |
As a counter measure scheme against eavesdroppers on wireless communication, the secret key agreement system has been pr... [more] | ISEC2006-86 pp.105-110 |
| AP, RCS (Joint) |
2005-10-21 09:25 |
Akita | Akita Prefectural Univ. | Fast Antenna Switching for Diversity and Adaptive Beamforming with a Single Receiver Circuit Makoto Taromaru, Hirofumi Aino, Takashi Ohira (ATR) |
The applicable conditions for a diversity receiver and adaptive beamformer using a single receiver circuit with fast ant... [more] | RCS2005-97 pp.73-78 |
| AP, SAT (Joint) |
2005-05-19 13:50 |
Tottori | Tottori Univ. of Environmental Studies | Experimental Verification of Electrical Invisible Dipole Loaded with a Reactor and Applications of Electrical Invisible Transformation Using a Distributed Constant Line Kyouichi Iigusa, Takuma Sawaya, Qing Han, Takashi Ohira, Makoto Taromaru (ATR WEL) |
It is verified that a dipole becomes electrically invisible when it is loaded with a certain positive reactor, by measur... [more] | AP2005-16 pp.41-46 |
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