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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, RCS, WPT, SAT (Joint) |
2015-11-04 16:30 |
Okinawa | Okinawa Prefectural Museum & Art Museum | A Study on Optimization of Beam Layout for Multibeam Satellite Shogo Tsuzaki, Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura (Mitsubishi Electric)  SAT2015-52 |
[more] | SAT2015-52 pp.25-30 |
| SR, SRW (Joint) |
2015-10-27 09:30 |
Tokyo | KKE | [Technology Exhibit]
Multi-Beam Based Spatial Multiplexing for EHF-band Massive MIMO System and Evaluation by Outdoor Experimental Trial Akihiro Okazaki, Hideki Morishige, Kenji Nakagawa, Hiroki Iura, Shigeru Uchida, Kazuaki Ishioka (Mitsubishi Electric Corp.), Tatsunori Obara, Satoshi Suyama, Yukihiko Okuyama (NTT DOCOMO), Atsushi Okamura (Mitsubishi Electric Corp.) SR2015-55 SRW2015-36 |
5th generation mobile communication system using higher frequency band has gotten much attention, and massive-MIMO tech... [more] |
SR2015-55 SRW2015-36 pp.35-36 |
| RCS | 2015-10-01 13:00 |
Kanagawa | YRP (Yokosuka) | [Invited Lecture]
R&D Activities on 5G Base Station Design at High-SHF band Akihiro Okazaki, Shigeru Uchida, Kenji Nakagawa, Naohito Tomoe, Atsushi Okamura (Mitsubishi Electric) RCS2015-167 |
Recently, radio access technologies for the fifth generation (5G) have been extensively studied. Especially, at high-SHF... [more] | RCS2015-167 p.61 |
| CQ | 2015-09-01 16:30 |
Kyoto | Kyoto Institute of Technology | [Invited Talk]
Massive MIMO Technology for Significant Transmit Performance Enhancement in 5G Mobile Communication System Akinori Taira, Hiroki Iura, Shigeru Uchida, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) CQ2015-57 |
5th generation mobile communication system (5G) is expected to launch for the early 2020s. In 5G, significant enhancemen... [more] | CQ2015-57 pp.101-106 |
| RCS, SAT (Joint) |
2015-08-18 13:15 |
Fukuoka | Fukuoka Univ. | [Encouragement Talk]
Improving Frequency Efficiency of High Throughput Satellite Systems with Digital Channelizer Shigenori Tani, Katsuyuki Motoyoshi, Hiroyasu Sano, Atsushi Okamura, Minoru Akita, Akinori Fujimura (Mitsubishi Electric) SAT2015-22 |
The HTS (High Throughput Satellite) provides greater system capacity for using the same frequency with multiple beams. H... [more] | SAT2015-22 pp.65-70 |
| RCC, ASN, RCS, NS, SR (Joint) |
2015-07-29 13:35 |
Nagano | JA Naganoken Bldg. | Block Lower Multi-diagonalization for Multiuser MIMO Downlink Hiroshi Nishimoto, Akinori Taira, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2015-101 |
For multiuser-MIMO (MU-MIMO) downlink, the authors propose a novel precoding concept of block lower multi-diagonalizatio... [more] | RCS2015-101 pp.7-12 |
| RCS | 2015-06-24 13:55 |
Hokkaido | Hokkaido Univ. | Serial Concatenation Approach of Spectral Precoding and DSTBC Encoding 2-dimensional Diversity Kanako Yamaguchi (Mitsubishi Electric), Nicolas Gresset (MERCE), Hiroshi Nishimoto, Shusaku Umeda, Kaoru Tsukamoto, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2015-49 |
Much attention has been paid to millimeter-wave (mmW) radio communication providing large capacity. As well, maintaining... [more] | RCS2015-49 pp.19-24 |
| RCS, IN (Joint) |
2015-05-21 09:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Antenna Configuration of 5G Ultra High Capacity Massive MIMO Transmission based on Outdoor Fundamental Experiment Trial at 44GHz Band Kenji Nakagawa, Hiroki Iura, Akinori Taira, Kazuaki Ishioka, Akihiro Okazaki (Mitsubishi Electric), Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO), Atsushi Okamura (Mitsubishi Electric) RCS2015-24 |
Recently, radio access technologies for the fifth generation (5G) in higher frequency bands have been extensively studie... [more] | RCS2015-24 pp.7-12 |
| RCS | 2015-04-17 15:15 |
Oita | Yufuin, Yufugoukan | Multi-Beam Multiplexing Technologies for 5G Ultra High Capacity Massive MIMO Transmission and Evaluation by Outdoor Fundamental Experiment Trial at 44GHz Band Akihiro Okazaki, Hiroki Iura, Kenji Nakagawa, Kazuaki Ishioka, Kazunari Kihira, Atsushi Okamura (Mitsubishi Electric), Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-22 |
Recently, radio access technologies for the fifth generation (5G) in higher frequency bands have been extensively studie... [more] | RCS2015-22 pp.119-124 |
| RCS, SR, SRW (Joint) |
2015-03-04 13:10 |
Tokyo | Tokyo Institute of Technology | Static Sequence Embedded DFT-s-OFDM Fumihiro Hasegawa, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric), Loic Brunel, David Mottier (MERCE) RCS2014-326 |
DFT-s-OFDM(Discrete Fourier Transform-spread-Orthogonal Frequency Division Multiplexing) has received attention in recen... [more] | RCS2014-326 pp.147-152 |
| RCS, SR, SRW (Joint) |
2015-03-06 09:00 |
Tokyo | Tokyo Institute of Technology | A Performance Evaluation of Beam Resource Utilization for Cellular Communication Systems Haruka Suzuki, Noriyuki Fukui, Keijiro Take, Atsushi Okamura (Mitsubishi Electric Corporation) RCS2014-349 |
In the next generation mobile communication systems, due to the small cell deployment for achieving high speed and large... [more] | RCS2014-349 pp.285-290 |
| RCS, NS (Joint) |
2014-12-18 09:25 |
Mie | Iseshi-Kanko-Bunka-Kaikan (Mie) | A Study on Antenna Configurations for MIMO system using Analog Beamforming Hiroki Iura, Akihiro Okazaki, Kazunari Kihira, Noriyuki Fukui, Keijiro Take, Atsushi Okamura (Mitsubishi Electric) RCS2014-227 |
Recently, radio access technologies for fth generation (5G) over higher frequency bands have been extensively studied. ... [more] | RCS2014-227 pp.43-48 |
| RCS, NS (Joint) |
2014-12-18 10:50 |
Mie | Iseshi-Kanko-Bunka-Kaikan (Mie) | A Study on Multi-Access System in High-Speed Mobile Environment Kazuyoshi Tsuji, Yusuke Kinoshita, Noriyuki Fukui, Keijiro Take, Hiroshi Nishimoto, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2014-230 |
We have studied multi-access cooperation techniques for the purpose of the user throughput improvement under high-speed ... [more] | RCS2014-230 pp.61-66 |
| RCS, NS (Joint) |
2014-12-19 09:00 |
Mie | Iseshi-Kanko-Bunka-Kaikan (Mie) | A Study on M-ary Relative Space Mapping Modulation Schemes Shinji Masuda, Hiroyasu Sano, Yasunori Nouda, Ryosuke Nakamura, Atsushi Okamura (Mitsubishi Electric) RCS2014-251 |
This paper proposes M-ary relative mapping schemes for differential space-time block coding, in order to transmit more b... [more] | RCS2014-251 pp.183-188 |
| WBS, ITS (Joint) |
2014-12-19 11:35 |
Kumamoto | Kumamoto University | A Study on Wireless Communication System with Interference Resilience Kazumasa Suzuki, Kazuaki Ishioka, Hiroyasu Sano, Atsushi Okamura (Mitsubishi Electric) WBS2014-53 |
It is difficult to assign licensed band to new wireless communication system because of shortage of frequency band. ISM-... [more] | WBS2014-53 pp.77-81 |
| AP, RCS (Joint) |
2014-11-14 10:30 |
Yamagata | Yamagata University, Yonezawa Campus | [Invited Lecture]
Study on Linear Cell Constitution for High-Speed Mobile Communication Shusaku Umeda, Akihiro Okazaki, Hiroshi Nishimoto, Kaoru Tsukamoto, Hiroshi Tanji, Kanako Yamaguchi, Atsushi Okamura (Mitsubishi Electric) AP2014-148 RCS2014-217 |
Nowadays, broadband communication service even in high-speed land-mobile scenario has attracted much attention, and line... [more] | AP2014-148 RCS2014-217 pp.109-114(AP), pp.113-118(RCS) |
| SANE | 2014-10-23 09:00 |
Overseas | Ramada Plaza Melaka, Malacca, Malaysia | An Aircraft Target Detection by Passive Bistatic Radar with Multi-frequency Coherent Integration of Broadcast Satellite Signals Tadashi Oshima, Toshihiro Ito, Ryuhei Takahashi, Nobuhiro Suzuki, Teruyuki Hara, Kazufumi Hirata, Toshio Wakayama, Atsushi Okamura, Kazunari Kihira, Takayuki Nakanishi, Yusuke Kitsukawa, Toru Takahashi (Mitsubishi Electric) SANE2014-76 |
[more] | SANE2014-76 pp.67-70 |
| RCS | 2014-10-17 15:35 |
Kanagawa | Keio Univ. | Performance Improvement of Time-domain Encoded SFBC for Single-carrier Block Transmission over Fast-fading Multipath Channels Hiroshi Nishimoto, Akinori Nakajima, Takehiko Nishide, Kaoru Tsukamoto, Shusaku Umeda, Kanako Yamaguchi, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric Corp.) RCS2014-189 |
In order to establish highly-reliable wireless links under fast fading scenarios, the authors study transmit diversity s... [more] | RCS2014-189 pp.183-188 |
| SAT, RCS (Joint) |
2014-08-20 10:20 |
Kochi | Kochi City Cultura-Plaza CUL-PORT | Alternative SFBC Scheme Enabling Time-domain Encoding for Single-carrier Block Transmission Hiroshi Nishimoto, Akinori Nakajima, Takehiko Nishide, Kaoru Tsukamoto, Shusaku Umeda, Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric) RCS2014-149 |
In single-carrier block transmission (SCBT) which can achieve a low peak-to-average power ratio (PAPR) property and robu... [more] | RCS2014-149 pp.61-66 |
| RCS | 2014-06-18 17:20 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | A Study on Next-Generation Wireless Access with Higher Frequency Bands Akihiro Okazaki, Hiroki Iura, Noriyuki Fukui, Keijiro Take, Atsushi Okamura (Mitsubishi Electric) RCS2014-81 |
Recently, radio access technologies for fifth generation (5G) over higher frequency bands have been extensively studied.... [more] | RCS2014-81 pp.287-292 |
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