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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CQ | 2016-05-24 14:15 |
Fukuoka | Kyushu University | A Study on Back-off Time with Fair Two-way Throughput in Wireless LANs Yuto Katayama, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.)  CQ2016-18 |
In the IEEE 802.11 standards used for wireless LANs, an access point(AP) and stations(STAs) have an opportunity to trans... [more] | CQ2016-18 pp.33-38 |
| CQ | 2016-05-24 15:05 |
Fukuoka | Kyushu University | A Study of Modulation selection method suitable for SVC Video transmission using Eigenmode MIMO Kazuki Seyama, Isamu Shitara (NIT), Kentaro Nishimori (NU), Daisuke Umehara (KIT), Yoshiaki Morino, Takefumi Hiraguri (NIT) CQ2016-20 |
[more] | CQ2016-20 pp.45-48 |
| CQ | 2016-05-24 16:35 |
Fukuoka | Kyushu University | Experimental Evaluation of HomePlug AV2 for In-vehicle Networks Akifumi Kawanishi, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.) CQ2016-23 |
With making in-vehicle applications diverse and high functional, it is required to enhance the data rate in-vehicle netw... [more] | CQ2016-23 pp.61-65 |
| CQ | 2016-05-25 15:45 |
Fukuoka | Kyushu University | A Study on Helper MIMO and Its Decoding Procedure Daisuke Umehara, Shuhei Ueno, Ryota Akagi (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CQ2016-30 |
Let us assume that space division multiplexing (SDM) signal without precoding is transmitted at a base station (BS) with... [more] | CQ2016-30 pp.101-106 |
| CQ | 2016-05-25 16:10 |
Fukuoka | Kyushu University | Modeling Energy Consumption in Bluetooth LE While Connected Kanji Takeda, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.) CQ2016-31 |
Wireless sensor networks and IoT (Internet of Things) devices have been widespread. High energy efficiency is required... [more] |
CQ2016-31 pp.107-112 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-03 11:15 |
Tokyo | Tokyo Institute of Technology | Performance Evaluation of Collaborative Interference Canceller with Received Signal Frame Sharing Daisuke Umehara, Shuhei Ueno, Ryota Akagi (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) RCS2015-367 |
Let us assume that space division multiplexing (SDM) signal without precoding is transmitted at a base station (BS) with... [more] | RCS2015-367 pp.205-210 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-03 11:40 |
Tokyo | Tokyo Institute of Technology | Collaborative Interference Cancellation Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.), Daisuke Umehara (Kyoto Tech.), Satoshi Denno (Okayama Univ.) RCS2015-368 |
Multi-user multiple-input multiple-output (MU-MIMO) systems with precoding have been studied intensively. However, those... [more] | RCS2015-368 pp.211-214 |
| CS, CAS | 2016-02-25 13:30 |
Wakayama | Laforet Nanki-Shirahama Hotel | Performance Evaluation of Collaborative Interference Canceller Using Analog RoHR Ryota Akagi, Daisuke Umehara (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CAS2015-80 CS2015-85 |
Multiple-input and multiple-output (MIMO) technologies will be promising to enhance the down-link throughput in cellular... [more] | CAS2015-80 CS2015-85 pp.1-5 |
| CS, OCS (Joint) |
2016-01-22 11:40 |
Kagoshima | Kagoshima University, Korimoto Campus, Inamori Auditorium | Joint Performance Evaluation of Precoding and BP Decoding for Physical-layer Network Coding Satoshi Nakao, Daisuke Umehara (Kyoto Inst.of Tech.), Hidekazu Murata (kyoto Univ.), Satoshi Denno (Okayama Univ.) CS2015-84 |
Physical-layer network coding~(PNC) enables bi-directional wireless communications with low density parity check~(LDPC) ... [more] | CS2015-84 pp.67-72 |
| CQ, ICM, NS (Joint) |
2015-11-26 16:10 |
Niigata | Niigata University | [Special Invited Talk]
A Novel Approach for Distributed Random Access Networks
-- Various Effects of Priority to Successful Transmission Station -- Daisuke Umehara (Kyoto Inst. of Tech.) NS2015-118 CQ2015-82 ICM2015-21 |
We propose a distributed coordination function with successful transmission priority (DCF-STP) based on IEEE 802.11 DCF ... [more] | NS2015-118 CQ2015-82 ICM2015-21 pp.41-46(NS), pp.37-42(CQ), pp.21-26(ICM) |
| CQ, ICM, NS (Joint) |
2015-11-27 12:05 |
Niigata | Niigata University | Proposal of Video transmission using Dual coding scheme Isamu Shitara, Yoshiaki Morino, Takefumi Hiraguri, Yokoyama Syunya (NIT), Daisuke Umehara (KIT), Kentaro Nishimori (NU) CQ2015-86 |
There’s Multicast transmission system have real time processing with high quality of video contents. Multicast transmiss... [more] | CQ2015-86 pp.61-64 |
| CS | 2015-11-13 10:25 |
Hokkaido | Hotel Taisetsu (Sounkyo Spa, Hokkaido) | Impact Assessment of Digital RoHR for Collaborative Interference Cancellation Shuhei Ueno, Daisuke Umehara (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CS2015-54 |
Increasing the number of receive antennas at mobile stations (MSs) helps us to improve the reliability of the downlink m... [more] | CS2015-54 pp.53-58 |
| CS | 2015-11-13 10:50 |
Hokkaido | Hotel Taisetsu (Sounkyo Spa, Hokkaido) | A consideration on performance evaluation of linear/rectangular array LOS-MIMO systems Toshihisa Yamada, Daisuke Umehara, Kouichiro Wakasugi (KIT), Takanori Iwamatsu (FUJITSU WIRELESS SYSTEMS) CS2015-55 |
LOS-MIMO (Line Of Sight - Multiple-Input Multiple-Output) systems can increase a channel capacity without increasing the... [more] | CS2015-55 pp.59-64 |
| CQ (2nd) |
2015-10-30 13:20 |
Osaka | [Poster Presentation]
A Study of Digital RoHR for Collaborative Interference Cancellation Shuhei Ueno, Daisuke Umehara (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) |
Increasing the number of receive antennas at mobile stations (MSs) helps us to improve the reliability of the downlink m... [more] | ||
| CQ (2nd) |
2015-10-30 15:50 |
Osaka | [Poster Presentation]
Frame field allocation method of code rate to decrease retransmission in two-way wireless communication systems Isamu Shitara, Yoshiaki Morino, Takefumi Hiraguri, Syunya Yokoyama (NIT), Daisuke Umehara (KIT), Kentaro Nishimori (Niigata Univ) |
The two-way eld pickup unit (FPU) as a wireless transmission system is used broadcasting business, such as video le a... [more] |
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| SRW | 2015-10-28 13:50 |
Tokyo | Kikai-Sinko-Kaikan Bldg. (Tokyo) | Study on Performance Improvement of Cooperative Reception System Yuta Kawaguchi, Satoshi Denno (Okayama Univ.), Eiichi Murata (Kyoto Univ.), Daisuke Umehara (Kyoto institute of technology) SRW2015-51 |
[more] | SRW2015-51 pp.1-5 |
| IT | 2015-09-04 14:00 |
Ishikawa | Hakusan Shobutei | A Consideration on MIMO Radar Coding Based on Space-Time Coded Complementary Codes Daisuke Nose, Daisuke Umehara, Koichiro Wakasugi (KIT) IT2015-41 |
Pulse compression is used to improve the range resolution and detectability for various radars. MIMO radar needs to tran... [more] | IT2015-41 pp.43-48 |
| CQ | 2015-09-02 09:30 |
Kyoto | Kyoto Institute of Technology | A Study of Received Frame Sharing Protocol for Collaborative Interference Cancellation Daisuke Umehara (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CQ2015-58 |
Let us assume that space division multiplexing (SDM) signal without precoding is transmitted at a base station (BS) with... [more] | CQ2015-58 pp.107-112 |
| CQ | 2015-09-02 10:10 |
Kyoto | Kyoto Institute of Technology | A Study of IEEE 802.11 DCF with Successful Transmission Priority Daisuke Umehara (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CQ2015-60 |
In this manuscript, we propose a distributed coordination function with successful transmission priority (DCF-STP) based... [more] | CQ2015-60 pp.119-124 |
| CQ | 2015-09-02 13:00 |
Kyoto | Kyoto Institute of Technology | A Study of CW Optimization in IEEE 802.11 DCF Network Coding Daisuke Umehara (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CQ2015-64 |
Network coding will be effective to enhance the bidirectional throughput for single-relay multi-user wireless networks e... [more] | CQ2015-64 pp.143-148 |
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