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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 | 2009-08-03 10:15 |
Miyagi | Tohoku Univ. | Basic Performance of Band-Limited Spectrum-Division Single Carrier Transmission for Dynamic Spectrum Access Yasuo Suzuki, Makoto Taromaru, Kazuto Yano, Masazumi Ueba (ATR) RCS2009-81 |
Band-limited spectrum-division single carrier transmission proposed for dynamic spectrum access, which divides the singl... [more] | RCS2009-81 pp.19-23 |
| 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 13:00 |
Kanagawa | YRP | Experimental Study on Efficiency of EER Transmitter Using Envelope PWM Satoshi Tsukamoto, Takayuki Umaba, Keizo Inagaki, Makoto Taromaru (ATR) SR2008-88 |
Improving efficiency of radio power amplifier has been an important issue for portable radio terminals since it directly... [more] | SR2008-88 pp.1-6 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-04 13:20 |
Kanagawa | YRP | A Study of Quantization Dynamic-Range Improvement for Wideband Receivers Yasuo Suzuki, Satoshi Tsukamoto, Makoto Taromaru, Masazumi Ueba (ATR) SR2008-89 |
The improvement method of quantization dynamic-range for wideband digital radio receivers is proposed and its performanc... [more] | SR2008-89 pp.7-10 |
| 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 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-04 16:50 |
Kanagawa | YRP | Study on Physical Channel Structure of Dynamic Spectrum Access System for Efficient Spectrum Sharing in ISM Band Kazuto Yano, Kilsoo Jeong, Yasuo Suzuki, Satoshi Tsukamoto, Makoto Taromaru, Masazumi Ueba (ATR) SR2008-98 |
This paper introduces a design concept of the dynamic spectrum access (DSA) system for efficient spectrum sharing in IS... [more] | SR2008-98 pp.59-64 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-04 17:30 |
Kanagawa | YRP | Overlay Transmission Scheme for Cognitive Radio Systems Taking Account of Timing Synchronization Kilsoo Jeong, Kazuto Yano, Satoshi Tsukamoto, Makoto Taromaru (ATR) SR2008-100 |
Spectrum sharing techniques using an overlay transmission, which allow multiple radio systems to share the same time and... [more] | SR2008-100 pp.71-78 |
| 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) |
2008-03-05 14:00 |
Kanagawa | YRP | parameter search for channel generation method using simplified 2-D raytracing in indoor NLOS environment Ikuo Hiradate, Kazuto Yano, Makoto Taromaru (ATR) RCS2007-197 |
The authors have proposed a channel generation method using simplified 2-D raytracing taking only walls into account f... [more] |
RCS2007-197 pp.67-72 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-05 14:20 |
Kanagawa | YRP | Multi-node link-level simulation including MAC layer processing Kazuto Yano, Ikuo Hiradate, Satoshi Tsukamoto, Makoto Taromaru (ATR) RCS2007-198 |
Recently, the authors have proposed a pre-FFT type MMSE adaptive array antenna with iterative weight update for suppress... [more] | RCS2007-198 pp.73-78 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-05 14:40 |
Kanagawa | YRP | Throughput performance of random-access wireless system with pre-FFT type MMSE adaptive array antenna Kazuto Yano, Ikuo Hiradate, Satoshi Tsukamoto, Makoto Taromaru (ATR) RCS2007-199 |
Both increasing the chances of frame transmission by raising carrier sense level and the suppressing asynchronous interf... [more] | RCS2007-199 pp.79-84 |
| 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 |
| RCS, SAT (Joint) |
2007-12-21 10:00 |
Oita | On Index of Spectrum Use Efficiency with Space Domain Multiplexing in Account
-- Concept Proposal of "Information Flux" and "Information Flux Density" -- Makoto Taromaru, Kazuto Yano, Satoshi Tsukamoto, Shoichi Kitazawa, Amane Miura, Masazumi Ueba (ATR) RCS2007-126 |
This report studies an index of radio spectrum use efficiency with degree of space multiplexing in account. We introduc... [more] | RCS2007-126 pp.85-90 |
|
| RCS, AP (Joint) |
2007-11-08 09:00 |
Tokyo | Univ. of Electro-Commun. | Consideration on Adaptive Beamforming for Multiport Parastic Array Radiator Antenna Masayuki Morishita, Hiroyoshi Yamada (Niigata Univ.), Chen Sun, Makoto Taromaru (ATR), Takashi Ohira (Toyohashi Univ. of Tech.) AP2007-102 |
A digital beamforming(DBF) array with adaptive beamforming has limitation that circuit scale and power consumption incre... [more] | AP2007-102 pp.1-6 |
| RCS, AP (Joint) |
2007-11-08 10:55 |
Tokyo | Univ. of Electro-Commun. | Channel generation using simplified 2-D raytracing for area-spectral efficiency evaluation of wireless systems with spatial signal processing Ikuo Hiradate, Kazuto Yano, Makoto Taromaru (ATR) RCS2007-98 |
In this paper, a channel generation method for area-spectral efficiency evaluation of wireless systems with spatial si... [more] |
RCS2007-98 pp.7-12 |
| EMCJ, MW | 2007-10-26 09:35 |
Miyagi | Tohoku University | A basic study on EER transmitter with burst-width envelope modulation based on triangle-wave PWM Toshiro Kodera, Nobuhiko Ando, Makoto Taromaru (ATR) EMCJ2007-67 MW2007-114 |
The improvement of efficiency on power amplifiers (PAs) has been a major assignment from dc to microwave region. The c... [more] |
EMCJ2007-67 MW2007-114 pp.77-82 |
| 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 |
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