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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2013-06-21 16:00 |
Hokkaido | Hokkaido Univ. | Performance Evaluation of Network-controlled Channel Allocation Scheme for IEEE 802.11 Wireless LANs B. A. Hirantha Sithira Abeysekera, Koichi Ishihara, Yasuhiko Inoue, Takeo Ichikawa, Masato Mizoguchi (NTT)  RCS2013-74 |
The increased density of wireless LAN access points (APs) based on IEEE 802.11 standard has induced inter-cell interfere... [more] | RCS2013-74 pp.213-217 |
| AP | 2013-06-13 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Perfomance Evaluation of Massive MIMO-OFDM Pilot Design Riichi Kudo (NTT), Simon M. D. Armour, Joe P. McGeehan (University of Bristol), Masato Mizoguchi (NTT) AP2013-36 |
[more] | AP2013-36 pp.7-12 |
| SRW | 2013-04-19 14:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Network-controlled Channel Allocation Scheme for IEEE 802.11 Wireless LANs B. A. Hirantha Sithira Abeysekera, Koichi Ishihara, Yasuhiko Inoue, Takeo Ichikawa, Masato Mizoguchi (NTT) SRW2013-9 |
The increased density of wireless LAN access points (APs) based on IEEE 802.11 standard has induced severe inter-cell in... [more] | SRW2013-9 pp.43-47 |
| NS, RCS (Joint) |
2012-12-13 10:30 |
Ehime | Ehime Univ. | A Novel Multi-User Multi-Channel Transmission Techinique for Next Generation Wireless LAN Systems Shoko Shinohara, B. A. Hirantha Sithira Abeysekera, Yusuke Asai, Yasuhiko Inoue, Masato Mizoguchi (NTT) RCS2012-192 |
The next generation wireless LAN, IEEE 802.11ac, is extending channel bandwidth to 80 MHz (mandatory) or 160 MHz (option... [more] | RCS2012-192 pp.53-58 |
| AP, RCS (Joint) |
2012-11-15 09:00 |
Tokyo | Tokyo Denki University | Cooperative Interference Management with Beam Tilt Control in an Indoor Multi-Cell Environment Tomoki Murakami, Riichi Kudo, Koichi Ishihara (NTT), Naoki Honma (Iwate Univ.), Masato Mizoguchi (NTT) AP2012-93 |
The demand of wireless LAN (WLAN) system in door environment is increasing with the widespread use of WLAN devices such ... [more] | AP2012-93 pp.1-6 |
| AP, RCS (Joint) |
2012-11-15 15:10 |
Tokyo | Tokyo Denki University | [Requested Talk]Multiuser MIMO and inter-cell interference management techniques for next generation wireless LANs Koichi Ishihara, Tomoki Murakami, Yusuke Asai, Takeo Ichikawa, Masato Mizoguchi (NTT) AP2012-102 RCS2012-169 |
In this paper, we introduce a real-time downlink multiuser MIMO (DL MU-MIMO) transceiver we developed for next generatio... [more] | AP2012-102 RCS2012-169 pp.55-60(AP), pp.49-54(RCS) |
| AP, RCS (Joint) |
2012-11-16 15:15 |
Tokyo | Tokyo Denki University | A Master-Slave Channel Selection Scheme to Improve Fairness among Cells in IEEE 802.11 Wireless LANs B. A. Hirantha Sithira Abeysekera, Koichi Ishihara, Yasuhiko Inoue, Takeo Ichikawa, Masato Mizoguchi (NTT) RCS2012-182 |
This paper proposes a master-slave channel selection scheme to improve fairness among cells in IEEE 802.11 wireless LANs... [more] | RCS2012-182 pp.127-132 |
| RCS, SIP | 2012-01-26 14:15 |
Fukuoka | Fukuoka Univ. | Indoor Experiments of Real-Time MU-MIMO Transmission with CSI Feedback Scheme Based on DCT for Next Generation Wireless LAN Systems Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi (NTT) SIP2011-88 RCS2011-277 |
[more] | SIP2011-88 RCS2011-277 pp.61-66 |
| AP, RCS (Joint) |
2011-11-17 09:35 |
Aichi | Nagoya Congress Center | Experimental Analysis of Interference Mitigation Effect with beam tilt for Indoor WLAN systems Tomoki Murakami (NTT), Kentaro Murata (Iwate Univ), Riichi Kudo (NTT), Naoki Honma (Iwate Univ), Masato Mizoguchi (NTT) AP2011-103 |
Due to increasing deployment of wireless LAN access point (AP) in indoor environments, inter-cell interference (ICI) fro... [more] | AP2011-103 pp.79-84 |
| AP, RCS (Joint) |
2011-11-18 10:05 |
Aichi | Nagoya Congress Center | Indoor experiments of real-time downlink multiuser MIMO transmission for next generation wireless LANs Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi (NTT) RCS2011-219 |
This paper presents indoor experimental results on an implemented real-time downlink multiuser multiple-input multiple-o... [more] | RCS2011-219 pp.179-184 |
| SR | 2011-07-29 09:50 |
Kanagawa | YRP | Frequency-selective IQ imbalance compensation schemes for wide-band OFDM systems Munehiro Matsui, Tadao Nakagawa, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi (NTT) SR2011-38 |
[more] | SR2011-38 pp.135-140 |
| RCS, NS (Joint) |
2011-07-22 10:15 |
Hokkaido | Asahikawa Civic Culture Hall | Performance Evaluations for Amplify-and-Forward and Decode-and-Forward Schemes on Cooperative OFDM Wireless Systems Hayato Fukuzono, Wenjie Jiang, Yusuke Asai, Masato Mizoguchi (NTT) RCS2011-93 |
In this paper, cooperative communications, which improve communication performances by cooperation of Relay terminal, is... [more] | RCS2011-93 pp.111-116 |
| AN | 2011-07-15 16:30 |
Kyoto | Kyoto Univ. | [Invited Talk]
Multi-user MIMO technique in IEEE802.11ac Koichi Ishihara, Yusuke Asai, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi (NTT) AN2011-19 |
The standardization activities of microwave wireless LAN system for next generation, which targets more than 1 Gbit/s of... [more] | AN2011-19 pp.71-76 |
| AP, ITE-BCT | 2011-02-10 09:30 |
Tokyo | NHK Science Tech. Research Lab. | Effective Region Analysis of Spatial Domain Resource Sharing for Overlapping Cells Tomoki Murakami, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi (NTT Corp.) AP2010-166 |
Due to high demand for wireless communication needs, communication cell increases and the available frequency bands decr... [more] | AP2010-166 pp.31-36 |
| SIP, RCS | 2011-01-20 11:20 |
Kagoshima | Symbol-wise Precoding in Multiuser MIMO Downlink Tomoyuki Yamada, Yasushi Takatori, Yusuke Asai, Tomoaki Kumagai, Masato Mizoguchi (NTT) SIP2010-75 RCS2010-205 |
In multiuser MIMO downlink, the transmitter (access point: AP) needs a precoding to separate users’ siganals because use... [more] | SIP2010-75 RCS2010-205 pp.37-42 |
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| LQE, OPE, OCS | 2010-10-28 17:30 |
Fukuoka | Mojiko Retro Town, Minato house | Evaluation of a band-divided receiver prototype for wideband optical signals Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto (NTT) OCS2010-68 OPE2010-104 LQE2010-77 |
Coherent receivers for optical signals have attracted lots of attention because of good frequency utilization. However t... [more] | OCS2010-68 OPE2010-104 LQE2010-77 pp.79-84 |
| AP | 2010-10-14 10:50 |
Iwate | Iwate Univ. | Spatial Domain Resource Sharing for Overlapping Multi Cells
-- System Capacity evaluation in Next Generation Wireless LAN -- Tomoki Murakami, Riichi Kudo, Takeo Ichikawa, Masato Mizoguchi (NTT) AP2010-74 |
Given the increase of wireless devices in WLAN and similar systems and the shortage of available frequency channels, the... [more] | AP2010-74 pp.1-6 |
| AP | 2010-10-14 11:15 |
Iwate | Iwate Univ. | User Number Selection for Multiuser MIMO Systems Riichi Kudo, Tomoki Murakami, Masato Mizoguchi, Yasushi Takatori (NTT), Masahiro Morikura (Kyoto Univ.) AP2010-75 |
[more] | AP2010-75 pp.7-12 |
| AP | 2010-06-10 12:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Spatial Domain Resource Sharing for Overlapping Cells
-- Performance evaluation using measured channel in office environment -- Riichi Kudo, Tomoki Murakami, Takeo Ichikawa, Yasushi Takatori, Masato Mizoguchi (NTT), Masahiro Morikura (Kyoto Univ.) AP2010-33 |
As microcell wireless systems become more widespread, inter-cell interference among the access points will increase due ... [more] | AP2010-33 pp.7-12 |
| AP | 2010-06-10 13:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Spatial Domain Resource Sharing for Overlapping Cells
-- Performance evaluation using measured channel in apartment environment -- Tomoki Murakami, Riichi Kudo, Takeo Ichikawa, Yasushi Takatori, Masato Mizoguchi (NTT) AP2010-34 |
Given the increase of communication cells in WLAN and similar systems and the shortage of available frequency bands, the... [more] | AP2010-34 pp.13-18 |
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