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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2013-02-27 15:10 |
Tokyo | Waseda Univ. | Transmission Performances of Transmit/Receive Diversity in Single Carrier Single Frequency Network under Frequency-Selective Nakagami-Rice Fading Environment Jimmy Hadi Susanto, Hiroyuki Miyazaki, Katsuhiro Temma, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.)  RCS2012-298 |
In the next generation mobile radio communication systems, high-speed and uniform communication service is demanded even... [more] | RCS2012-298 pp.85-90 |
| RCS, SR, SRW (Joint) |
2013-02-27 15:30 |
Tokyo | Waseda Univ. | Adaptive Single-carrier MIMO Transmission with Joint Tx/Rx MMSE Filtering Shinya Kumagai, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-299 |
Recently, we proposed an adaptive single-carrier (SC) multiple-input multiple-output (MIMO) transmission using joint tra... [more] | RCS2012-299 pp.91-96 |
| RCS, SR, SRW (Joint) |
2013-02-27 09:00 |
Tokyo | Waseda Univ. | Spectrum Assignment in Multi-hop Relay with Diversity Takanori Matsuno, Kazuhiro Kimura, Hiroyuki Miyazaki, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-304 |
In mobile communications, multi-hop relay can reduce the transmit power since the communication distance is reduced, whi... [more] | RCS2012-304 pp.121-125 |
| RCS, SR, SRW (Joint) |
2013-02-27 14:50 |
Tokyo | Waseda Univ. | Generalized Frequency-Domain Filtered Single-Carrier Signal Transmission Amnart Boonkajay, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-320 |
Single-carrier (SC) transmission is a transmission equipped with frequency-domain equalization (FDE) is suitable for upl... [more] | RCS2012-320 pp.219-224 |
| RCS, SR, SRW (Joint) |
2013-03-01 10:30 |
Tokyo | Waseda Univ. | A Study of Channel Selection for Wireless LAN using Channel Segregation Based Dynamic Channel Assignment Katsuhiro Temma, Yuki Matsumura, Tatsunori Obara, Tetsuya Yamamoto (Tohoku Univ.), Koichi Ishihara, Hirantha Abeysekera, Tomoaki Kumagai (NTT), Fumiyuki Adachi (Tohoku Univ.) RCS2012-340 |
Recently, we investigated the application of the multi-channel access to channel segregation based dynamic channel assig... [more] | RCS2012-340 pp.333-338 |
| RCS, SR, SRW (Joint) |
2013-03-01 10:50 |
Tokyo | Waseda Univ. | A Study of Impact of Asynchronous Transmission Timing on Channel Segregation Based Dynamic Channel Assignment in Wireless LAN Yuki Matsumura, Katsuhiro Temma, Tatsunori Obara, Tetsuya Yamamoto (Tohoku Univ.), Koichi Ishihara, Hirantha Abeysekera, Tomoaki Kumagai (NTT), Fumiyuki Adachi (Tohoku Univ.) RCS2012-341 |
In frequency reusing wireless networks whose number of channels are limited, the same channel must be reused by spatiall... [more] | RCS2012-341 pp.339-344 |
| RCS, SR, SRW (Joint) |
2013-03-01 14:00 |
Tokyo | Waseda Univ. | Study on Frequency-Domain Channel Estimation Using Polynomial Prediction for Training Sequence Inserted Single-Carrier Block Transmission Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-348 |
In this paper, we study frequency-domain channel estimation scheme for training sequence inserted single-carrier (TS-SC)... [more] | RCS2012-348 pp.381-386 |
| NS, RCS (Joint) |
2012-12-14 16:20 |
Ehime | Ehime Univ. | Adaptive Single-carrier MIMO Transmission with Joint Tx/Rx MMSE Filtering Shinya Kumagai, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-232 |
Recently, we proposed a joint transmit/receive minimum mean square error based filtering (joint Tx/Rx MMSE filtering) to... [more] | RCS2012-232 pp.291-296 |
| AP, RCS (Joint) |
2012-11-16 11:20 |
Tokyo | Tokyo Denki University | Excess-Bandwidth Joint Transmit/Receive Frequency-Domain Equalization for Single-Carrier Transmission Amnart Boonkajay, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-176 |
[more] | RCS2012-176 pp.91-96 |
| AP, RCS (Joint) |
2012-11-16 13:00 |
Tokyo | Tokyo Denki University | Effect of STBC Cooperative Diversity in A Disaster-resilient Wireless Network Shinya Kumagai, Ryo Nagaoka, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-177 |
In the case of a disaster, severe communication traffic congestion may happen in a cellular mobile communication network... [more] | RCS2012-177 pp.97-102 |
| AP, RCS (Joint) |
2012-11-16 14:50 |
Tokyo | Tokyo Denki University | A Study of Multi-Channel Access for Wireless LAN using Channel Segregation Based Dynamic Channel Assignment Katsuhiro Temma, Yuki Matsumura, Tatsunori Obara, Tetsuya Yamamoto (Tohoku Univ.), Koichi Ishihara, Hirantha Abeysekera, Tomoaki Kumagai (NTT), Fumiyuki Adachi (Tohoku Univ.) RCS2012-181 |
The higher-speed and larger-capacity transmission is demanded in the wireless local area network (WLAN). The same wirele... [more] | RCS2012-181 pp.121-126 |
| SR, AN, USN, RCS (Joint) |
2012-10-19 13:05 |
Fukuoka | Fukuoka univ. | A Study of Transmit Power Control for Wireless LAN using Channel Segregation Based Dynamic Channel Assignment Yuki Matsumura, Katsuhiro Temma, Tatsunori Obara, Tetsuya Yamamoto (Tohoku Univ.), Koichi Ishihara, Hirantha Abeysekera, Tomoaki Kumagai (NTT), Fumiyuki Adachi (Tohoku Univ.) RCS2012-151 |
Wireless local area network (WLAN) has been rapidly spreading. Rapid increase in the number of access points (APs) incre... [more] | RCS2012-151 pp.149-154 |
| SR, AN, USN, RCS (Joint) |
2012-10-19 14:05 |
Fukuoka | Fukuoka univ. | RLS-based Channel Estimation for Training Sequence Inserted Single-carrier Block Transmission Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-153 |
In this paper, we study channel estimation schemes for training sequence inserted single-carrier (TS-SC) block transmiss... [more] | RCS2012-153 pp.161-166 |
| SAT, RCS (Joint) |
2012-08-31 09:15 |
Kochi | Kochi City Cultura-Plaza CUL-PORT | Cooperative Diversity with STBC-OFDM Shinya Kumagai, Ryo Nagaoka, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-112 |
The transmission quality of the mobile terminal far from access points (APs) degrades due to the low received signal-to-... [more] | RCS2012-112 pp.97-102 |
| SAT, RCS (Joint) |
2012-08-31 09:40 |
Kochi | Kochi City Cultura-Plaza CUL-PORT | Bit Error Rate Analysis of STBC-OFDM Using Transmit FDE Ryo Nagaoka, Shinya Kumagai, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-113 |
Orthogonal frequency division multiplexing (OFDM) is a promising broadband wireless transmission technique, but requires... [more] | RCS2012-113 pp.103-108 |
| RCS, NS, USN (Joint) |
2012-07-20 16:40 |
Iwate | Iwate Univ. | Low-PAPR Transmit Filter based on Minimization of Instantaneous Transmit Power Variation for Single-Carrier Transmission Amnart Boonkajay, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-95 |
A modification of transmit filtering in single-carrier (SC) transmission yields an improvement of system performance in ... [more] | RCS2012-95 pp.121-126 |
| RCS | 2012-06-21 10:20 |
Hokkaido | Hakodate City Central Library | Study on Single-carrier MIMO Spatial Multiplexing/Diversity Switching Methods in a Multi-cell Environment Ryo Nagaoka, Shinya Kumagai, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-44 |
Multiple-Input Multiple-Output (MIMO) which uses multiple transmit and receive antennas can increase the maximum transmi... [more] | RCS2012-44 pp.7-12 |
| RCS | 2012-06-22 10:40 |
Hokkaido | Hakodate City Central Library | HARQ Throughput of Single-carrier MIMO Spatial Multiplexing with Joint Tx/Rx MMSE Filtering Shinya Kumagai, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-61 |
For wireless packet communications, hybrid automatic repeat-request (HARQ) is an indispensable technique. Recently, we p... [more] | RCS2012-61 pp.105-110 |
| RCS | 2012-06-22 11:50 |
Hokkaido | Hakodate City Central Library | Dynamic Channel Assignment based on Channel Segregation for a Wireless Lan System Yuki Matsumura, Shinya Kumagai, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ) RCS2012-64 |
In frequency reusing wireless networks, as the number of transmitters increases, the co-channel interference (CCI) gets ... [more] | RCS2012-64 pp.123-128 |
| SR, RCS, SRW (Joint) |
2012-03-07 09:00 |
Kanagawa | YRP | Application of 2-step QRM-MLD for MIMO-OFDM Katsuhiro Temma, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2011-316 |
Maximum likelihood detection employing QR decomposition and M-algorithm (QRM-MLD) can achieve almost the same transmissi... [more] | RCS2011-316 pp.1-6 |
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