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All Technical Committee Conferences  (Searched in: All Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 21  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT, WBS
(Joint)
2014-05-16
12:00
Aichi Nagoya Institute of Technology A Study on High Throughput Satellite System Architecture in a Variety of Traffic Demand
Shigenori Tani, Katsuyuki Motoyoshi, Akinori Fujimura, Hiroyasu Sano, Fumio Ishizu (Mitsubishi Electric) SAT2014-11
Multi-spot satellites delivers higher performance using the same frequency multiple times simultaneously. However, conve... [more] SAT2014-11
pp.57-62
RCS, SR, SRW
(Joint)
2014-03-03
10:40
Tokyo Waseda Univ. A Study on PAPR Reduction Technique in MFSK/DS Block Transmission
Keisuke Ozaki, Masatsugu Higashinaka, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric) RCS2013-310
MFSK/DS block transmission has been proposed as a kind of spread spectrum schemes. In the MFSK/DS block transmission, FS... [more] RCS2013-310
pp.25-30
RCS, SR, SRW
(Joint)
2014-03-04
09:50
Tokyo Waseda Univ. A Study on Cell Design Scheme based on User Distribution for Indoor Base Stations
Haruka Suzuki, Masao Oga, Yusuke Kinoshita, Keijiro Take, Fumio Ishizu (Mitsubishi Electric) RCS2013-351
In the next generation mobile communication systems, due to the small cell deployment for achieving high speed and large... [more] RCS2013-351
pp.271-276
DC 2013-12-13
16:25
Ishikawa   Verification of High-Reliability Communication Method using the Data of Electromagnetic Environment
Daisuke Koshino, Kazuaki Ishioka, Keijiro Take, Fumio Ishizu (Mitsubishi Electric) DC2013-76
We developed the new simulation method which can be verification of the communication quality. Up to now, when we develo... [more] DC2013-76
pp.45-49
RCS, AP
(Joint)
2013-11-22
11:35
Shimane Matsue Terrsa Differential Space Time Block Coding using QAM Signals in First Modulation
Shusaku Umeda, Yasunori Kato, Kaoru Tsukamoto, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric) RCS2013-199
This paper proposes a new Differential Space-Time Block Coding (DSTBC) method that can apply non-constant envelope modul... [more] RCS2013-199
pp.147-152
RCS 2013-10-17
13:00
Tokyo Sophia Univ. The Field-Test Results of Mobile Wireless Communication Systems on 40GHz Frequency Band
Kaoru Tsukamoto, Yasunori Kato, Shusaku Umeda, Nobuyuki Kawahara (Mitsubishi Electric), Hiroyuki Nagayama (MRI), Kunihiro Kawasaki, Kazuki Nakamura (RTRI), Hiroyuki Tsuji (NICT), Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric) RCS2013-149
A high speed mobile wireless communication system in the 40 GHz millimeter-wave band has been studied in aerospace field... [more] RCS2013-149
pp.43-48
RCS, SAT
(Joint)
2013-08-30
10:55
Nagano Shinshu Univ. A Novel Out-of-Band Spectrum Suppression Method without Data Loss
Fumihiro Hasegawa, Kenji Nakagawa, Masatsugu Higashinaka, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric) RCS2013-133
SC-OFDM(Single Carrier Orthogonal Frequency Division Multiplexing) has received attention in recent years because of its... [more] RCS2013-133
pp.57-62
RCS 2013-06-21
11:10
Hokkaido Hokkaido Univ. Experimental Evaluation of MIMO Single-carrier Block Transmission with 1024QAM Using FPGA-based Testbed
Kanako Yamaguchi (Hokkaido Univ.), Hiroshi Nishimoto, Akihiro Okazaki, Hiroyasu Sano, Fumio Ishizu (MEL), Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2013-70
 [more] RCS2013-70
pp.193-198
RCS, IN
(Joint)
2013-05-17
16:15
Tokyo Kikai-Shinko-Kaikan Bldg. A Study on Symbol Timing Recovery for Transmit Diversity
Ryosuke Nakamura, Yasunori Nouda, Shinji Masuda, Akinori Taira, Hiroyasu Sano, Fumio Ishizu (Mitsubishi Electric) RCS2013-36
Differential coding for transmit diversity is a technique which uses multiple antennas. Because the technique does not n... [more] RCS2013-36
pp.79-84
RCS 2013-04-18
13:50
Okinawa Ishigaki City Hall Perfomance Evaluation of Relative Mapping Scheme for Transmit Diversity
Shinji Masuda, Hiroyasu Sano, Yasunori Nouda, Ryosuke Nakamura, Akinori Taira, Fumio Ishizu (Mitsubishi Electric) RCS2013-7
This paper proposes relative mapping schemes for differential space-time block coding, in order to transmit more bits pe... [more] RCS2013-7
pp.37-42
AP, RCS
(Joint)
2012-11-15
09:50
Tokyo Tokyo Denki University A Study on a Periodic Wakeup Protocol for Active Tags
Mari Ochiai, Akinori Taira, Fumio Ishizu (Mitsubishi Electric) RCS2012-162
Periodic and regular wakeup is a common technique for reducing power consumption in active tag systems. The transmitted ... [more] RCS2012-162
pp.7-11
SR, AN, USN, RCS
(Joint)
2012-10-17
10:25
Fukuoka Fukuoka univ. Performance Evaluation of Reduced-Complexity Scattered Pilot-Aided Channel Estimation Using MIMO-OFDM Testbed
Juntaro Mura, Akinori Ohashi, Hiroshi Nishimoto, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric Corp.) RCS2012-128
Using MIMO-OFDM transmission with M-ary modulation, we can achieve high capacity transmission in high efficiency. Howeve... [more] RCS2012-128
pp.19-24
SAT, RCS
(Joint)
2012-08-30
14:50
Kochi Kochi City Cultura-Plaza CUL-PORT [Invited Lecture] A novel peak power reduction technique for multi-channel single carrier transmission
Fumihiro Hasegawa, Masatsugu Higashinaka, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric) SAT2012-20 RCS2012-106
Multiple channel transmission has been implemented in satellite communications due to the increasing demands for multius... [more] SAT2012-20 RCS2012-106
pp.13-18(SAT), pp.61-66(RCS)
SAT, RCS
(Joint)
2012-08-31
15:40
Kochi Kochi City Cultura-Plaza CUL-PORT Interpolation Accuracy Improving Method in Sampling Rate Conversion
Hiroki Iura, Koji Tomitsuka, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric) SAT2012-35
In satellite communication systems, several transmission rate signals are used depending on a user application, such as ... [more] SAT2012-35
pp.103-107
RCS 2012-06-21
15:20
Hokkaido Hakodate City Central Library A Study on Performance Improvement in Slow Fading Environment by Multiple Base Station and Beam Control
Kaoru Tsukamoto, Yasunori Kato, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric) RCS2012-54
For mobile reception, the Doppler spread using a directional antenna for a received antenna is partial of that using an ... [more] RCS2012-54
pp.67-72
RCS 2012-06-21
15:50
Hokkaido Hakodate City Central Library Performance Evaluation of MIMO-OFDM Transmission Systems for High-speed Mobile Environment using a Testbed
Akinori Ohashi, Juntaro Mura, Hiroshi Nishimoto, Akihiro Okazaki, Fumio Ishizu (Mitsubishi Electric Corp.) RCS2012-55
 [more] RCS2012-55
pp.73-78
SR 2007-07-26
14:00
Kanagawa   [Technology Exhibit] Research and Development Activities on Cognitive Radio Technology -- R&D of cognitive radio channel creation technology --
Toshiyuki Kuze, Shigeru Uchida, Kentaro Sawa, Akira Otsuka, Fumio Ishizu (Mitsubishi) SR2007-20
This paper includes the study report of R&D activity on cognitive radio technology, which is a contract research from MI... [more] SR2007-20
pp.5-8
SR 2006-11-29
16:20
Hokkaido   A Study on Reliable Data Transfer for Cognitive Radio Communication
Shigeru Uchida, Kentaro Sawa, Toshiyuki Kuze, Akira Otsuka, Fumio Ishizu (Mitsubishi Electric) SR2006-47
We have been studying the technology “Cognitive Radio Channel Creation” which selects the multi radio channels, and uses... [more] SR2006-47
pp.41-46
SR 2006-11-29
16:45
Hokkaido   A Study of Appricatable with Reliable Transmission Control to Wireless Access Systems
Kentaro Sawa, Shigeru Uchida, Toshiyuki Kuze, Akira Otsuka, Fumio Ishizu (Mitsubishi Electric) SR2006-48
In the Cognitive Radio Communication, the ARQ(Automatic Repeat reQuest) is an important technology to achieve high throu... [more] SR2006-48
pp.47-52
NS, RCS
(Joint)
2005-07-21
09:20
Okayama Okayama Univ.(Tsushima Campus) Construction Method and Mapping Method of LDPC Codes for M-ary QAM
Shigeru Uchida, Wataru Matsumoto, Akira Otsuka, Fumio Ishizu (Mitsubishi Electric Corp.)
Recently, Low-Density Parity-Check (LDPC) codes which can achieve the performance near the Shannon limit with Sum-Produc... [more] RCS2005-41
pp.7-12
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