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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CQ, CS (Joint) |
2018-04-19 16:35 |
Hiroshima | Hiroshima Institute of Technology | [Special Invited Talk]
Controller Area Network and Its Reduced Wiring Technology Daisuke Umehara (Kyoto Inst. of Tech.)  CS2018-4 CQ2018-6 |
Controller area network (CAN) is widely distributed as an in-vehicle communications standard. CAN-FD (CAN with Flexible ... [more] | CS2018-4 CQ2018-6 pp.17-22(CS), pp.29-34(CQ) |
| CS | 2017-07-27 16:00 |
Nagasaki | Fukue Bunka Kaikan | [Invited Talk]
Design and Analysis of Success Prioritized Slotted ALOHA with Sleep Function Daisuke Umehara (Kyoto Inst. of Tech.) CS2017-29 |
The frame duration will be shortened in advanced wireless sensor data gathering because the frame data size is small and... [more] | CS2017-29 pp.83-88 |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-19 08:50 |
Hokkaido | Hokkaido Univ. | Characterization of Contention Window for Success Prioritized CSMA/CA Takuma Yamamoto, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.) ASN2017-12 |
With the recent expansion of demand for wireless LANs, the number of STAs connected to an AP will be increasing. CSMA/... [more] |
ASN2017-12 pp.1-7 |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-19 09:15 |
Hokkaido | Hokkaido Univ. | A Mathematical Model of Access Control to Allocate Downlink Bandwidth in High-Density Wireless LAN Yuto Katayama, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.) ASN2017-13 |
In the IEEE 802.11 standards used for wireless LANs, an access point (AP) and stations (STAs) have opportunities to tran... [more] | ASN2017-13 pp.9-14 |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-19 16:00 |
Hokkaido | Hokkaido Univ. | Performance Evaluation of Collaborative Interference Canceller with Quantization Error and Spatial Correlation Rieko Saiki, Daisuke Umehara (Kyoto Inst of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) RCS2017-104 |
Collaborative Interference Canceller (CIC) has been proposed to enhance cellular networks. CIC enables us to a large sca... [more] | RCS2017-104 pp.67-72 |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-19 16:25 |
Hokkaido | Hokkaido Univ. | Development of Mobile Terminal Dual Band Antenna for Collaborative Interference Canceller Hideya Kitayama, Daisuke Umehara (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) RCS2017-105 |
It has been considered to improve the downlink throughput in cellular access networks by using the multiple-input and mu... [more] | RCS2017-105 pp.73-78 |
| CAS, CS | 2017-02-24 09:30 |
Shiga | Capacity of Collaborative Interference Canceller: Quantization Error and Spatial Correlation Daisuke Umehara, Rieko Saiki (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CAS2016-125 CS2016-86 |
Let us assume that space division multiplexing (SDM) signal is transmitted at a base station (BS) with a number of anten... [more] | CAS2016-125 CS2016-86 pp.63-68 |
|
| CAS, CS | 2017-02-24 09:55 |
Shiga | A Study of Received Signal Sharing Schemes for Collaborative Interference Canceller Daisuke Umehara, Shuhei Ueno, Ryota Akagi (Kyoto Inst. of Tech.), Hidekazu Murata (Kyoto Univ.), Satoshi Denno (Okayama Univ.) CAS2016-126 CS2016-87 |
Let us assume that space division multiplexing (SDM) signal is transmitted at a base station (BS) with a number of anten... [more] | CAS2016-126 CS2016-87 pp.69-74 |
|
| CAS, CS | 2017-02-24 10:20 |
Shiga | Energy Analysis of Success Prioritized Slotted ALOHA with Sleep Mode Daisuke Umehara, Kanji Takeda (Kyoto Inst. of Tech.) CAS2016-127 CS2016-88 |
The advancement of wireless communication technologies will make the frame time length to be shortened on wireless chann... [more] | CAS2016-127 CS2016-88 pp.75-79 |
|
| OCS, CS (Joint) |
2017-01-19 13:05 |
Fukuoka | Kyushu Sangyo University | Bipolar NRZ Coded Architecture for CAN FD and Its Performance Evaluation Takeyuki Shishido, Tatsuki Matsushita, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.) CS2016-64 |
Controller area network (CAN) is a communication standard that is widely employed for in-vehicle networks, and electroni... [more] | CS2016-64 pp.1-6 |
| ASN | 2016-11-17 09:30 |
Aichi | Nagoya University | Collaborative MIMO Communication System Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.), Daisuke Umehara (Kyoto Tech.), Satoshi Denno (Okayama Univ.) ASN2016-45 |
Multi-user multiple-input multiple-output (MU-MIMO) systems with precoding have been studied intensively. However, those... [more] | ASN2016-45 pp.1-5 |
| CS | 2016-11-10 10:55 |
Hokkaido | KKR Hakodate | Success Prioritized Random Backoff Algorithm: Slotted ALOHA Daisuke Umehara (Kyoto Inst. of Tech.) CS2016-43 |
The advancement of wireless communication technologies will make the frame time length to be shortened on wireless chann... [more] | CS2016-43 pp.19-22 |
| SR | 2016-10-27 15:00 |
Osaka | Osaka Univ. Nakanoshima Center | [Technology Exhibit]
Collaborative MIMO Receiver Exploiting Higher-Frequency Bands Hidekazu Murata (Kyoto Univ.), Daisuke Umehara (Kyoto Tech.), Satoshi Denno (Okayama Univ.) SR2016-62 |
Multi-user multiple-input multiple-output (MU-MIMO) systems with precoding have been studied intensively. However, those... [more] | SR2016-62 pp.33-37 |
| CQ | 2016-08-30 15:45 |
Ibaraki | Tsukubasan | Success Prioritized Random Access Protocol
-- Beyond 1/e in Slotted ALOHA -- Daisuke Umehara (Kyoto Inst. of Tech.) CQ2016-71 |
In the IEEE 802.11 distributed coordination function (DCF), the positive backoff counter is invariant just after DCF int... [more] | CQ2016-71 pp.123-128 |
| CQ (2nd) |
2016-08-28 14:25 |
Ibaraki | Tsukubasan | On Relationship between Transmit Power and Consumed Power in Bluetooth LE Devices Kanji Takeda, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.) |
Wireless sensor networks and IoT (Internet of Things) devices have been widespread. High energy efficiency is required ... [more] |
|
| CQ (2nd) |
2016-08-28 14:25 |
Ibaraki | Tsukubasan | On Downlink Bandwidth Guarantee for Wireless LAN with Uniform Backoff Algorithm Yuto Katayama, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.) |
In the IEEE 802.11 standards used for wireless LANs, an access point (AP) and stations (STAs) have an opportunity to tra... [more] | |
| IT | 2016-07-29 13:10 |
Fukuoka | Seminar House, Fukuoka Univ. | A Consideration on Generator Matrix Structures for Space-Time Coded MIMO Radar Keisuke Kawahara, Daisuke Umehara, Koichiro Wakasugi (KIT) IT2016-32 |
We have already proposed a code construction scheme for MIMO radars based on a space-time coding and complementary codes... [more] | IT2016-32 pp.63-68 |
| IT | 2016-07-29 13:35 |
Fukuoka | Seminar House, Fukuoka Univ. | Four-Sequence Complementary Codes and their Generation for Radar Pulse Compressions Takuhiro Maeda, Daisuke Umehara, Koichiro Wakasugi (KIT) IT2016-33 |
Complementary codes are often used for radar pulse compressions.The well-known two-sequence complementary code has prim... [more] | IT2016-33 pp.69-74 |
| 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 |
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