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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW, WPT (Joint) |
2012-05-24 14:25 |
Kyoto | Kyoto Univ. | Performance Improvement for W-CDMA Multi Power Amplifier Katsuya Kato, Naoko Matsunaga, Shintaro Shinjo, Kenichi Horiguchi, Morishige Hieda (Mitsubishi Electric)  MW2012-10 |
In This paper describes a newly developed triple power mode power amplifier for W-CDMA handset applications. The amplifi... [more] | MW2012-10 pp.7-10 |
| MW | 2009-11-19 14:55 |
Kagoshima | Tanegashima | Improvement in Capacity Performance of W-CDMA Systems Achieved through Cryogenic Receiver Front-End Kei Satoh, Yasunori Suzuki, Tetsuya Mimura, Shoichi Narahashi (NTT DOCOMO), Toshio Nojima (Hokkaido Univ.) MW2009-132 |
This paper presents an improvement in capacity performance of a wideband code division multiple access (W-CDMA) system r... [more] | MW2009-132 pp.25-28 |
| ED, MW | 2008-01-16 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | GaN HEMT Doherty Amplifiers for W-CDMA and WiMAX Base Station Applications Hiroaki Sano, Norihiko Ui, Seigo Sano (Eudyna Devices) ED2007-209 MW2007-140 |
Two types of Doherty amplifiers for mobile communication base stations have been developed using GaN HEMTs biased at dra... [more] | ED2007-209 MW2007-140 pp.17-22 |
| SITE | 2007-12-11 16:10 |
Kyoto | Kyoto Institute of Technology | Technological development and competition in Japanese mobile market Yuki Shoji (Soken Univ.) SITE2007-47 |
In mobile market, Migration from 2G to 3G is progressing over the world from early 2000’s. On the process of migration ... [more] | SITE2007-47 pp.19-22 |
| EMCJ | 2007-06-22 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Electromagnetic wave interference characteristic measurement method Kakeru Manita, Akira Mori (Musashi Inst. Tech), Junji Higashiyama, Yoshiaki Tarusawa (NTTDoCoMo), Masamitsu Tokuda (Musashi Inst. Tech) EMCJ2007-22 |
Wideband Code Division Multiple Access that is one of the access methods of the third generation cellular phone is known... [more] | EMCJ2007-22 pp.23-28 |
| AP | 2007-04-19 13:05 |
Hyogo | Kwansei Gakuin Univ. | Effect of Vertical Beam Shaping for Base Station Antenna in Mobile Communication System
-- Optimization with Genetic Algorithm -- Junpei Mizuno, Tetsuro Imai (NTTDoCoMo) AP2007-5 |
In mobile communication system using cellular, an ideal vertical pattern of base station antenna is supposed that the pa... [more] | AP2007-5 pp.25-30 |
| IT, ISEC, WBS | 2007-03-15 17:20 |
Gunma | Gunma Univ. (Kiryu Campus) | Reverse Link System Capacity Enhancement in W-CDMA Two-Hop Cellular Systems with Fixed Hop Station Yoichiro Mizuno, Masao Nakagawa (Keio Univ) |
Multi-hop communications remain an active research topic. This paper focuses on enhancing reverse link system capacity i... [more] | IT2006-67 ISEC2006-122 WBS2006-64 pp.41-46 |
| RCS, SIP | 2007-01-25 13:30 |
Okinawa | NICT Okinawa | Voice over IP transmission performance in the HSDPA channel Kenji Yamashita, Hiroshi Furukawa, Yoshihiko Akaiwa (Kyushu Univ.) SIP2006-149 RCS2006-207 |
This paper evaluated HSDPA's system capacities for mixed IP traffics of voice and data. When jumbling the voice and data... [more] | SIP2006-149 RCS2006-207 pp.73-78 |
| MW, ED | 2007-01-17 09:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Reduced Gain Variation against Temperature with NTC Thermistor on HPA Module for W-CDMA System Akira Kuriyama (CRL), Shigehiro Yuyama (Renesas), Masami Ohnishi, Hidetoshi Matsumoto (CRL), Tomonori Tanoue, Isao Ohbu (Renesas) |
A high-power amplifier (HPA) module for wide-band code division multiple access (W-CDMA) system with small gain variatio... [more] | ED2006-200 MW2006-153 pp.1-5 |
| MW, ED | 2007-01-19 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Distortion-Cancelled Doherty 28V Operated 330W GaAs Heterojunction FET Power Amplifier for Cellular Base Stations Isao Takenaka, Koji Ishikura, Hidemasa Takahashi, Koichi Hasegawa, Takashi Ueda, Toshimichi Kurihara, Kazunori Asano, Naotaka Iwata (NEC Electronics) |
A low distortion Doherty high-power amplifier has been developed for cellular base stations. The amplifier delivered 330... [more] | ED2006-227 MW2006-180 pp.149-154 |
| MVE, CQ, MoNA (Joint) |
2006-01-26 11:45 |
Oita | Beppu Onsen Spring (Resorpia Beppu Hotel) | A study on method for increasing capacity in mobile IP phone systems using the W-CDMA systems during large scale disasters Yoshitaka Kawade (UEC), Kazunori Okada (NICT) |
When a massive disaster occurs, communication demands increase suddenly and greatly because people want to check on thei... [more] | CQ2005-85 pp.37-42 |
| ICD | 2005-12-15 11:20 |
Kochi | Scalable Bus Interface for HSDPA Co-processor Extension Toshiki Takeuchi, Hiroyuki Igura (NEC), Takeshi Hashimoto (NECEL), Soichi Tsumura, Naoki Nishi (NEC) |
This paper presents a scalable bus developed for HSDPA co-processor extension of W-CDMA digital baseband processors. The... [more] | ICD2005-184 pp.7-11 |
|
| AP, RCS (Joint) |
2005-10-21 09:25 |
Akita | Akita Prefectural Univ. | W-CDMA Reciever with Adaptive 4-Antenna Array Qiaowei Yuan (ICR), Qiang Chen, Kunio Sawaya, Eisuke Kudoh, Fumiyuki Adachi (Tohoku Univ.) |
W-CDMA receiver with adaptive 4-element array antenna is developed. The adaptive algorithm is programmed and loaded in D... [more] | AP2005-99 pp.89-94 |
| RCS, CS | 2005-01-27 09:00 |
Okinawa | University of the Ryukyus | Spreading-Code Assignment for Wireless P-MP Video Transmission Hiroshi Nakamura, Ryoichi Shinkuma, Tatsuro Takahashi (Kyoto Univ.) |
In third generation (3G) mobile communication systems, the demand for wireless P-MP (Point-to-MultiPoint) transmission, ... [more] | CS2004-167 RCS2004-274 pp.89-94 |
| RCS, CS | 2005-01-28 11:20 |
Okinawa | University of the Ryukyus | A Study of MIMO for W-CDMA Uplink Toyohisa Tanaka, Takeo Ohgane, Toshihiko Nishimura, Yasutaka Ogawa (Hokkaido Univ.) |
W-CDMA has already been operated as the 3rd generation mobile communication system. Continuously the 3rd Generation Part... [more] | CS2004-189 RCS2004-296 pp.37-42 |
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