| IEICE Technical Committee Submission System Conference Schedule |
Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2013-05-16 13:00 |
Oita | Beppu International Convention Center B-ConPlaza | An Example of Antenna Design Using Multi-level Particle Swarm Optimization Tuan Hung Nguyen, Hisashi Morishita (National Defense Academy), Yoshio Koyanagi (Panasonic Mobile Comm.), Kazuhiro Izui, Shinji Nishiwaki (Kyoto Univ.)  AP2013-15 |
This report presents a multi-level optimization (MLO) method introduced to particle swarm optimization (PSO) for solving... [more] | AP2013-15 pp.1-6 |
| AP | 2013-04-19 09:45 |
Hyogo | Kwansei Gakuin Univ. | Optimal Design of Vertical U-shaped Folded Dipole Antenna for WiMAX and Evaluation of Its Requisite Design Area on a Ground Plane Tuan Hung Nguyen, Hisashi Morishita (National Defense Academy), Yoshio Koyanagi (Panasonic Mobile Communications), Kazuhiro Izui, Shinji Nishiwaki (Kyoto Univ.) AP2013-10 |
Previously, we proposed U-shaped folded dipole antenna (UFDA) that projects from a ground plane (GP), as a small antenna... [more] | AP2013-10 pp.55-60 |
| AP | 2012-12-13 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on Multiple Resonances of J-Shaped Folded Monopole Antenna Hiroki Kobayashi, Tuan Hung Nguyen, Hisashi Morishita (NDA), Yoshio Koyanagi (Panasonic Mobile Communications) AP2012-119 |
J-shaped folded monopole antenna (JFMA) has been proposed as a compact antenna for mobile phones. JFMA is useful on mini... [more] | AP2012-119 pp.11-16 |
| RCS | 2012-04-20 15:20 |
Kyoto | Kyoto Univ. | Optimization of Base Station Antenna Directivity for Base Station Cooperation Cellular Systems Doppo Sugimura, Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech), Takayuki Sotoyama (Panasonic Mobile Communications), Masayuki Hoshino (Panasonic) RCS2012-20 |
Base Station Cooperation (BSC) is one of the key technologies for next generation cellular systems.In this paper, we wil... [more] | RCS2012-20 pp.115-120 |
| AP | 2012-03-15 10:30 |
Shizuoka | Chuo public hall (Atami City) | Antenna Design for Multi-User MIMO to be Robust against Channel Feedback Error Hajime Nakamichi, Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech), Takayuki Sotoyama (Panasonic Mobile Communications), Masayuki Hoshino (Panasonic) AP2011-199 |
Recently, multiuser MIMO communication technique has attracted much attention because of their potential for increasing ... [more] | AP2011-199 pp.1-6 |
| AP, RCS (Joint) |
2011-11-16 14:55 |
Aichi | Nagoya Congress Center | Optimization of MIMO Antenna Directivities and Derivation of Current Distributions by Using Spherical Mode Expansion Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Yoshio Koyanagi, Takayuki Sotoyama (Panasonic Mobile Communications) AP2011-99 |
This paper proposes a new design method based on spherical mode expansion to optimize MIMO antenna directivities and ... [more] |
AP2011-99 pp.57-62 |
| ACT (2nd) |
2011-09-02 14:50 |
Shimane | The Shimane Institute for Industrial Technology | Study on Multi-Objective Optimization of U-Shaped Folded Dipole Antenna for WiMAX using PSO Tuan Hung Nguyen, Hisashi Morishita (NDA), Yoshio Koyanagi (Panasonic), Kazuhiro Izui, Shinji Nishiwaki (Kyo Univ) |
[more] | |
| AP | 2011-08-03 14:30 |
Akita | Broadband Characteristic of U-Shaped Folded Dipole Antenna for WiMAX in Consideration of Ground Plane using PSO Tuan Hung Nguyen, Hisashi Morishita (NDA), Yoshio Koyanagi (Panasonic), Kazuhiro Izui, Shinji Nishiwaki (Kyoto University) AP2011-60 |
[more] | AP2011-60 pp.63-68 |
|
| AP, MW (Joint) |
2011-03-03 14:30 |
Ibaraki | Ibaraki Univ. | A Study on Vertical Pattern of Base Station Antennas for Base Station Cooperation System Doppo Sugimura, Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Takayuki Sotoyama (Panasonic Mobile Comm Co.,Ltd.) AP2010-182 |
Base Station Cooperation (BSC) is one of the key technologies for next generation cellular system.The BSC can improve po... [more] | AP2010-182 pp.49-54 |
| AP | 2010-12-17 09:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Study on antenna Efficiency Improvement of two closely spaced monopole antenna elements. Hiroshi Sato, Yoshio Koyanagi (Panasonic), Masaharu Takahashi (Chiba University) AP2010-118 |
Recent mobile terminals, the introduction of MIMO technology using multiple antennas are examined. Because communicating... [more] | AP2010-118 pp.1-5 |
| AP, MW (Joint) |
2010-09-09 14:20 |
Tokyo | Tokyo Inst. tech. | Study on Low coupling of two closely spaced monopole antenna elements Hiroshi Sato, Yoshio Koyanagi (Panasonic Mobile Communications) AP2010-69 |
Recent mobile terminal, the introduction of Diversity and MIMO technology using multiple antennas are examined. Because... [more] |
AP2010-69 pp.11-15 |
| AP | 2010-04-09 13:25 |
Kyoto | Doshisha Univ. | Maximization of the Channel Capacity of a MIMO Dipole Array by an Optimum Impedance Matching and Its Mechanism Analysis Koichi Ogawa (Panasonic), Toshiteru Hayashi (Panasonic Mobile Communications), Atsushi Yamamoto (Panasonic) AP2010-5 |
In this paper, analytical studies on an optimum matching condition for achieving the maximum channel capacity of a MIMO ... [more] | AP2010-5 pp.19-24 |
| SR, AN, USN (Joint) |
2009-10-22 10:00 |
Miyagi | Tohoku Univ. | AM-PM Characteristics of Low Noise Block Converters Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura (NTT DOCOMO), Ryoko Kawauchi, Ikuo Hiradate, Hayato Akazawa, Takayuki Sotoyama (Panasonic Mobile Communications) SR2009-52 |
[more] | SR2009-52 pp.7-12 |
| SR, AN, USN (Joint) |
2009-10-22 10:20 |
Miyagi | Tohoku Univ. | Capacity Achievable by Spectrum Sharing with Adaptive Transmit Power Control: Based on Field Measurements Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura (NTT DOCOMO,), Ryoko Kawauchi, Ikuo Hiradate, Hayato Akazawa, Takayuki Sotoyama (Panasonic Mobile Communications) SR2009-53 |
[more] | SR2009-53 pp.13-19 |
| AP | 2009-10-08 15:10 |
Shizuoka | Shizuoka University | Derivation of analytical eigenvalues for basestation cooperation MIMO channel Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Takayuki Sotoyama (Panasonic Mobile Comm Co.,Ltd.) AP2009-115 |
Base Station Cooperation (BSC) MIMO is one of the important technologies for future cellular networks. In this paper, a ... [more] | AP2009-115 pp.73-78 |
| RCS | 2008-06-27 14:50 |
Mie | Mie University | Experiments on Frequency Error Compensation Using Synchronization Channel in OFDM Radio Access Hidekazu Taoka (NTT DoCoMo), Fumiaki Ito (Musashi Inst. Tech.), Keiji Takakusaki (Panasonic Mobile Commn.), Mamoru Sawahashi (Musashi Inst. Tech.) RCS2008-26 |
[more] | RCS2008-26 pp.61-66 |
| AP | 2008-02-07 15:40 |
Tokyo | NHK | Characteristics of Built-in Folded Dipole Antenna for Handsets Atsushi Kajitani, Yongho Kim, Hisashi Morishita (NDA), Yoshio Koyanagi (Panasonic Mobile Communications) AP2007-172 |
The latest trends in handset unit used in the cellular phone is to reduce the size and the weight. Antennas used for suc... [more] | AP2007-172 pp.49-54 |
| AP | 2007-10-19 11:35 |
Aomori | Hirosaki Univ. | An Analysis of the Channel Response of a Handset MIMO Antenna in Street Microcell Environments Koichi Ogawa, Atsushi Yamamoto (Matsushita Electric), Toshiteru Hayashi (Panasonic Mobile Communications) AP2007-97 |
The channel characterization of handset MIMO antennas has been studied in street Microcell environments. We have attempt... [more] | AP2007-97 pp.57-62 |
| AP | 2007-05-17 14:15 |
Kochi | Kochi Univ. of Tech. | A Basic Study on Handset MIMO Antenna using L-shaped Folded Monopole Antennas Yongho Kim (National Defense Academy), Toshiteru Hayashi, Yoshio Koyanagi (Panasonic Mobile Communications), Hisashi Morishita (National Defense Academy) AP2007-16 |
In this study, handset MIMO antenna comprising two L-shaped Folded Monopole Antennas mounted on a finite ground plane wa... [more] | AP2007-16 pp.19-23 |
| RCS, SIP | 2007-01-24 09:45 |
Okinawa | NICT Okinawa | A Study on Single Side Band modulation with Spread Spectrum Masahiko Nanri, Mitsuru Uesugi (Panasonic), Gen-ichiro Ohta (Waseda Univ.) SIP2006-119 RCS2006-177 |
SSB(Single Side Band) modulation is used for analog communication such as short-wave broadcasting because it is better t... [more] | SIP2006-119 RCS2006-177 pp.13-18 |
[Return to Top Page]