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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
IN, NS
(Joint)
2019-03-05
13:30
Okinawa Okinawa Convention Center (Okinawa) A Study on Performance Evaluation of MIMO Channel with Multilevel Spreading Codes
Tatsuya Motoki, Miyuki Hirose, Takehiko Kobayashi (Tokyo Denki Univ.) IN2018-135
To suppress the noise enhancement, a new spread spectrum communication system with Gold code had studied in our previous... [more] IN2018-135
pp.307-312
WBS, ITS, RCC 2018-12-06
16:35
Okinawa Miyako Island Hirara Port Terminal Bldg. (Okinawa) [Invited Talk] Why Ultra Wideband High-Speed WPAN Failed
Takehiko Kobayashi (Tokyo Denki Univ.) WBS2018-57 ITS2018-40 RCC2018-88
 [more] WBS2018-57 ITS2018-40 RCC2018-88
pp.165-168
WBS, ITS, RCC 2018-12-06
17:20
Okinawa Miyako Island Hirara Port Terminal Bldg. (Okinawa) [Invited Talk] Recent Trends on UWB Regulation and Standardization
Huan-Bang Li (NICT), Takehiko Kobayashi (Tokyo Denki University) WBS2018-58 ITS2018-41 RCC2018-89
Because of its high throughput potentiality on short-range communications as well as inherent superiority of high precis... [more] WBS2018-58 ITS2018-41 RCC2018-89
pp.169-174
AP, SANE, SAT
(Joint)
2018-07-20
16:30
Hokkaido Hokkaido Univ. (Hokkaido) Measurements of UWB Band-9 Radio Propagation within Various Closed/Semi-Closed Spaces
Ayumu Minegishi, Miyuki Hirose, Takehiko Kobayashi (TDU) AP2018-66 SAT2018-27
The Japanese Government started studying deregulation of outdoor use of ultra wideband (UWB) devices, which has been con... [more] AP2018-66 SAT2018-27
pp.143-148(AP), pp.95-100(SAT)
WBS, IT, ISEC 2018-03-09
13:55
Tokyo Katsusika Campas, Tokyo University of Science (Tokyo) Influence of Channel Estimation Error on Noise Enhancement Suppression by Using Novel Multilevel Spreading Codes
Tatsuya Motoki, Takehiko Kobayashi (Tokyo Denki Univ.) IT2017-146 ISEC2017-134 WBS2017-127
Zero-forcing frequency-domain equalization (ZF-FDE) has been used to combat frequency selective fading caused by multipa... [more] IT2017-146 ISEC2017-134 WBS2017-127
pp.259-264
AP, RCS
(Joint)
2017-11-10
09:50
Fukuoka Fukuoka University (Fukuoka) Measurements and Analysis of Ultra-Wideband Propagation Channels within Passenger Cars
kensuke Matsui, Yuta Nakagawa, Katsumi Kanamori, Tsuneto Kimura, Tadahide Kunitachi (YAZAKI Corp.), Takehiko Kobayashi (Tokyo Denki Univ.) AP2017-135
In the last years there has been a growing demand for wireless links in vehicles. Narrowband systems, such as convention... [more] AP2017-135
pp.151-156
AP
(2nd)
2017-10-24
14:55
Ibaraki AIST Tsukuba Central, Auditorium (Ibaraki) Automatic Determination of Antenna Phase Center Using the Bisection Method and its Application to Gain Measurements
Yuzo Tamaki, Takehiko Kobayashi (Tokyo Denki Univ.), Atsushi Tomiki (JAXA)
The three-antenna method is widely applied to determine the antenna gain. The distance between the antenna open ends is ... [more]
SANE 2016-06-24
10:45
Ibaraki Tsukuba Space Center, JAXA (Ibaraki) Gain Measurement of Onboard Antennas for PROCYON with a 3-Antenna Method
Yuzo Tamaki, Takehiko Kobayashi (TDU), Atsushi Tomiki (JAXA) SANE2016-11
Precise determination of antenna phase centers is crucial to reduce the gain uncertainty in the three-antenna method, pa... [more] SANE2016-11
pp.7-11
SANE 2015-05-29
13:20
Kanagawa JAXA Sagamihara Campus (Kanagawa) Measurements of Microwave Shielding Effectiveness of Structural Materials Used for Space Infrared Telescope for Cosmology and Astrophysics (No.2)
Yuya Mori (Tokyo Denki Univ.), Atsushi Tomiki (JAXA), Takehiko Kobayashi (Tokyo Denki Univ.), Yasuhiro Murata, Hideo Matsuhara, Takao Nakagawa (JAXA), Ken Tahara (Kead) SANE2015-10
Space Infrared Telescope for Cosmology and Astrophysics (SPICA) is an infrared (IR) astronomical satellite planned to be... [more] SANE2015-10
pp.23-28
 Results 1 - 9 of 9  /   
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