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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2021-03-05 17:20 |
Online | Online | [Encouragement Talk]
A Study on Downlink Channel Estimation Based on Multipath Separation in a Wideband FDD System Shiori Tosaka, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.)  RCS2020-261 |
In an FDD system, downlink channel state information (CSI) is necessary at a base station for efficient transmission. T... [more] |
RCS2020-261 pp.267-272 |
| RCS | 2019-06-19 10:00 |
Okinawa | Miyakojima Hirara Port Terminal Building | A Fundamental Study on Downlink Channel Estimation in an FDD System Based on Impulse Response Estimation Shiori Tosaka, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane, Junichiro Hagiwara (Hokkaido Univ.) RCS2019-40 |
In an FDD system, downlink channel state information (CSI) is necessary at a base station for efficient transmission. Th... [more] | RCS2019-40 pp.19-24 |
| CQ | 2019-05-30 14:35 |
Hiroshima | Hiroshima City University | Proposal of beam-forming method in FDD systems for WPT terminal stations Masaki Igarashi, Kentaro Nishimori (Niigata Univ.) CQ2019-18 |
The band adjacent to the frequency (5.7 GHz) used in space transmission wireless power transmission (WPT) is allocated ... [more] |
CQ2019-18 pp.39-42 |
| RCS, SAT (Joint) |
2015-08-18 10:55 |
Fukuoka | Fukuoka Univ. | A study on peak-amplitude aware linear precoding for MIMO systems Yusuke Ohki, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) RCS2015-147 |
space division multiplexing (SDM) systems, the peak power of the transmit signal at each antenna element is increased b... [more] |
RCS2015-147 pp.91-96 |
| RCS | 2015-06-24 17:35 |
Hokkaido | Hokkaido Univ. | Consideration on Transceiver Structure and Effect for Reducing Feedback Signal Overhead for FDD Using Carrier Frequency Swapping Takahiro Ohtomo (Tokyo City Univ.), Keisuke Saito (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2015-56 |
This paper presets merits and demerits of frequency division duplexing (FDD) using the carrier frequency swapping which ... [more] | RCS2015-56 pp.61-66 |
| AP, RCS (Joint) |
2014-11-13 09:50 |
Yamagata | Yamagata University, Yonezawa Campus | White-space LTE System in UK Digital Terrestrial TV Band (2)
-- Specification and Evaluation of White-space Devices for Interference Avoidance -- Takeshi Matsumura, Kazuo Ibuka, Kentaro Ishizu, Homare Murakami, Fumihide Kojima (NICT), Hiroshi Harada (Kyoto Univ.) RCS2014-209 |
For further efficient use of spectrum resource, possibilities of white-spaces communication technology have been discuss... [more] | RCS2014-209 pp.73-78 |
| MoNA, CQ (Joint) |
2014-09-12 14:45 |
Miyagi | A Study on Transmit Weight Control Algorithms for Per-antenna Peak Output Power Aware Feedback-type MIMO Systems Affected by Feedback-bit Error Yusuke Ohki, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) CQ2014-64 |
In multi-input multi-output (MIMO) space division multiplexing (SDM) systems based on transmitter/receiver spatial filte... [more] | CQ2014-64 pp.141-146 |
|
| CS | 2014-07-04 09:50 |
Kagoshima | Minamitanecho Shoukoukai Kaigishitsu | A study on transmit weight control considering per-antenna maximum transit power in space division multiplexing transmission, Part III
-- Performance Evaluation in Transmit Peak Power Aware Feedback-type MIMO systems -- Yusuke Ohki, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) CS2014-34 |
In multi-input multi-output (MIMO) space division multiplexing (SDM) systems based on transmit- ter/receiver spatial l... [more] |
CS2014-34 pp.101-106 |
| IN, RCS (Joint) |
2014-05-15 10:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | CSI Reference Signal Multiplexing Using Carrier Frequency Swapping for FDD High-Order MIMO SDM Mamoru Sawahashi (Tokyo City Univ.), Teruo Kawamura, Yuichi Kakishima (NTT DOCOMO) RCS2014-20 |
This paper proposes channel state information - reference signal (CSI-RS) multiplexing employing carrier frequency swapp... [more] | RCS2014-20 pp.7-12 |
| CS, CAS, SIP | 2014-03-06 15:15 |
Osaka | Osaka City University Media Center | A study on transmit weight control considering per-antenna maximum transit power in space division multiplexing transmission(2)
-- Performance evaluation in case with feedback-type weight controls for time-varying channels -- Yusuke Ohki, Satoshi Takabatake, Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) CAS2013-110 SIP2013-156 CS2013-123 |
In multi-input multi-output (MIMO) space division multiplexing (SDM) systems based on transmitter/receiver spatial filte... [more] | CAS2013-110 SIP2013-156 CS2013-123 pp.115-120 |
| RCS, SR, SRW (Joint) |
2014-03-05 09:25 |
Tokyo | Waseda Univ. | Connectivity Evaluation of Prototyped TVWS LTE Terminal Adapter Takeshi Matsumura, Kazuo Ibuka, Kentaro Ishizu, Homare Murakami, Hiroshi Harada (NICT) RCS2013-365 |
Recently, a frequency resource shortage problem has been aggravated due to increase of high-speed and high-capacity comm... [more] | RCS2013-365 pp.359-364 |
| RCS, SIP | 2014-01-23 16:05 |
Fukuoka | Kyushu Univ. | TDD/FDD Dual Mode LTE Communication System for TV White-spaces (1)
-- Development of Base Station and Small-size Terminal with USB Interface -- Takeshi Matsumura, Kazuo Ibuka, Kentaro Ishizu, Homare Murakami, Hiroshi Harada (NICT) SIP2013-99 RCS2013-269 |
Recently, the frequency resource shortage problem has been aggravated in cellular system due to the growth of service or... [more] | SIP2013-99 RCS2013-269 pp.83-88 |
| RCS, SR, SRW (Joint) |
2013-02-27 16:35 |
Tokyo | Waseda Univ. | A study of FDD/TDD White Space LTE System Homare Murakami, Kentaro Ishizu, Kazuo Ibuka, Takeshi Matsumura, Hiroshi Harada (NICT), Mikio Hasegawa (Tokyo Univ. of Science) RCS2012-314 |
White space LTE system is expected for a candidate of off-load the current traffic on cellular systems. In this paper, c... [more] | RCS2012-314 pp.183-188 |
| WBS | 2009-10-16 13:00 |
Osaka | [Poster Presentation]
Multihop cooperative communications for asymmetric traffic accommodation in CDMA/FDD celluar system Takeo Saga, Kazuo Mori, Katsuhiro Naito, Hideo Kobayashi (Mie Univ.) WBS2009-33 |
The recent mobile communication systems which are providing multimedia services have asymmetric characteristics between ... [more] | WBS2009-33 pp.49-54 |
|
| RCS | 2008-06-27 12:50 |
Mie | Mie University | Evaluation of Asymmetric Traffic Accommodation Scheme Using Adaptive Cell Sizing under User Mobility Environments Ryota Takeuchi, Kazuo Mori, Katsuhiro Naito, Hideo Kobayashi (Mie Univ.) RCS2008-22 |
The asymmetric traffic between uplink and downlink over recent mobile communication systems has been becoming conspicuou... [more] | RCS2008-22 pp.37-42 |
| SR | 2008-01-25 16:10 |
Nagano | Tateyama Prince hotel (Ohmachi city, Nagano prefecture) | A Low Spurious SiGe-MMIC Direct Conversion Transceiver for Cognitive Radio Using 2 fLO LO Switching Configuration Koji Tsutsumi, Fumiki Onoma, Jun Koide, Mikio Uesugi, Noriharu Suematsu (Mitsubishi Electric), Hiroshi Harada (NICT) SR2007-84 |
An RF-IC for multi-mode cognitive wireless system is required multi-band / multi-mode characteristics. One of the diffic... [more] | SR2007-84 pp.115-120 |
| WBS, SIP | 2007-08-06 13:25 |
Kochi | Green Hall (2nd fl.), Kochi Green-Kaikan | Dowlink Multihop Transmission Scheme for Asymmetric Traffic Accommodation in CDMA/FDD Cellular Systems Kazuo Mori, Katsuhiro Naito, Hideo Kobayashi (Mie Univ.) SIP2007-65 WBS2007-14 |
This paper proposes an asymmetric traffic accommodation scheme using a multihop transmission technique for CDMA/FDD ce... [more] |
SIP2007-65 WBS2007-14 pp.7-12 |
| NS, RCS (Joint) |
2007-07-20 09:40 |
Hokkaido | Kitami Institute of Tech. | Cooperative interference cancellation for secondary spectrum usage Kentaro Nishimori (NTT), Hiroyuki Yomo, Petar Popovski (Aalborg Univ.), Yasushi Takatori (NTT), Ramjee Prasad (AAU), Shuji Kubota (NTT) RCS2007-43 |
This paper proposes a novel interference cancellation technique using the concept of a distributed array, for the second... [more] | RCS2007-43 pp.85-90 |
| RCS, SIP | 2007-01-24 16:10 |
Okinawa | NICT Okinawa | Asymmetric Traffic Accommodation Using Dowlink Multihop Transmission in CDMA/FDD Cellular Systems Kazuo Mori, Katsuhiro Naito, Hideo Kobayashi (Mie Univ.) SIP2006-133 RCS2006-191 |
The asymmetric traffic between uplink and downlink over recent mobile communication systems has been becoming conspicuou... [more] | SIP2006-133 RCS2006-191 pp.93-98 |
| IN, RCS (Joint) |
2006-05-19 09:50 |
Tokyo | BER Evaluation of Orthogonal Frequency Division Duplex Wireless Communication under the presence of Inter-Link Interference Ryota Kimura, Shigeru Shimamoto (Waseda Univ.) RCS2006-26 |
In this paper, we focus on the flexibility of frequency resource control by multi-carrier techniques and propose a new d... [more] | RCS2006-26 pp.49-54 |
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