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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, SANE, SAT (Joint) |
2021-07-30 14:30 |
Online | Online | [Invited Lecture]
Visibility Analysis in a Human Body Shadowing Environment and Distributed Antenna Installations for Millimeter and Terahelz Wave Mobile Communications Naoki Kita, Yushi Shirato, Daisei Uchida (NTT), Koji Yamamoto (Kyoto Univ.)  AP2021-45 |
Development ofmmWave or higher frequency bands where rich frequency bandwidth resources are available is widely discusse... [more] | AP2021-45 pp.120-125 |
| NS, RCS (Joint) |
2020-12-18 13:25 |
Online | Online | [Invited Lecture]
Distributed Antenna Systemes using High-Frequency-Band targeting 6G Wireless Networks Daisei Uchida, Tatsuhiko Iwakuni, Naoki Kita, Takeshi Onizawa (NTT), Yoshihisa Kishiyama, Satoshi Suyama, Satoshi Nagata, Takahiro Asai (docomo) NS2020-101 RCS2020-148 |
High-Speed and broadband network transformation is needed for multi-points collecting sensing data and distributing movi... [more] | NS2020-101 RCS2020-148 pp.73-78 |
| RCS, AP, UWT (Joint) |
2020-11-26 15:15 |
Online | Online | Stochastic Geometry Analysis of Probability and Autocorrelation of Human Blockage in mmWave Communications Koji Yamamoto (Kyoto Univ.), Chun-hsiang Huang, Yushi Shirato, Daisei Uchida, Naoki Kita (NTT) RCS2020-128 |
This report provides the probabilities of human-body blockage and blockage avoidance, and autocorrelation function for h... [more] | RCS2020-128 pp.99-103 |
| AP | 2019-08-21 13:30 |
Hokkaido | Hokkai-Gakuen Univ. | A Study on Beamwidth Narrowing and Gain Enhancement of a Patch Array Antenna by Loading Dielectric Superstrate Tatsuro Shigihara, Takashi Hikage, Manabu Yamamoto (Hokkaido Univ.), Daisei Uchida (NTT) AP2019-47 |
[more] | AP2019-47 pp.1-6 |
| MoNA, AN, USN (Joint) |
2013-01-25 15:00 |
Miyagi | ICHINOBO (Sendai-city) | A Study of Accommodation Design for Sensor Divices in User-centric Wireless Networks Daisei Uchida, Mamoru Kobayashi, Yushi Shirato, Hideki Toshinaga, Hiroyuki Shiba, Shuichi Yoshino (NTT) USN2012-75 |
In recent years, wireless networks are rapidly diffused in home networks with widespread use of smartphones and tablets.... [more] | USN2012-75 pp.85-90 |
| IN | 2011-04-21 15:30 |
Kagawa | Kagawa University | [Invited Talk]
Wide Area Ubiquitous Network
-- Implementation for Ubiquitous Sensor Network -- Daisei Uchida (NTT) IN2011-7 |
One of key techniques to realize ubiquitous network is ubiquitous sensor network (USN) to support machine-to-machine (M2... [more] | IN2011-7 pp.35-40 |
| RCS | 2009-08-03 11:45 |
Miyagi | Tohoku Univ. | A Study on Space Diversity for Direction of Arrival Estimation Method Seiji Ohmori, Daisei Uchida, Takafumi Fujita, Yosuke Fujino (NTT) RCS2009-84 |
Many high-resolution direction-of-arrival(DoA) estimation methods using array antenna have been proposed and they have b... [more] | RCS2009-84 pp.37-42 |
| RCS | 2006-04-21 09:20 |
Osaka | Osaka Univ. Nakanoshima Center | A Burst Synchronization Method of Uplink Preamble-less Demodulators for Wide-area Ubiquitous Network Takafumi Fujita, Daisei Uchida, Yosuke Fujino, Osamu Kagami, Kazuji Watanabe (NTT) RCS2006-2 |
This paper proposes a new burst synchronization method of Uplink Preamble-less demodulators for the wide-area ubiquitous... [more] | RCS2006-2 pp.7-12 |
| RCS | 2006-04-21 09:40 |
Osaka | Osaka Univ. Nakanoshima Center | A Precise Estimation of Unknown Weight Vector Subspace for for Multi-target Constant Modulus Algorithm Yosuke Fujino, Daisei Uchida, Osamu Kagami, Kazuji Watanabe (NTT) RCS2006-3 |
Multi-target Constant Modulus Algorithm has been known as a method for blindly separating multiple co-channel signals by... [more] | RCS2006-3 pp.13-18 |
| RCS, CS | 2005-01-28 09:00 |
Okinawa | University of the Ryukyus | Simplified Blind Channel Tracking Scheme for MIMO-OFDM systems Yusuke Asai, Daisei Uchida, Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa (NTT Corporation) |
A MIMO-OFDM system is well-known as the most promising technique for PHY (physical) layer scheme for the next high-speed... [more] | CS2004-183 RCS2004-290 pp.1-6 |
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