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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 13 of 13  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SAT 2017-10-26
11:25
Okinawa Okinawa Cellular Telephone Company Interference monitoring scheme using feature detection between satellite and cellular systems (28 GHz)
Kanshiro Kashiki, Tomoki Sada (KDDI Research), Akihide Nagamine, Fumio Watanabe (Titec) SAT2017-42
This manuscript presents study results for an interference monitoring scheme between satellite and cellular systems in t... [more] SAT2017-42
pp.23-28
WBS, SAT
(Joint)
2017-05-25
13:25
Tochigi Utsunomiya Univ. Yoto Campus Feature detection scheme using Cyclic Prefix (CP) in OFDM signal -- Interference monitoring between satellite and cellular systems in millimeter band (mutual interference) --
Kanshiro Kashiki, Tomoki Sada (KDDI Research), Akihide Nagamine, Fumio Watanabe (Tokyo Inst. of Tech.) SAT2017-2
In the fifth generation of cellular system, use of 28 GHz band is discussed as new radio frequency assignment. Since the... [more] SAT2017-2
pp.7-12
SANE, SAT
(Joint)
2017-02-23
15:30
Chiba Katsuura Hotel Mikazuki Feature detection scheme using Cyclic Prefix (CP) in OFDM signal -- Interference monitoring between satellite and cellular systems in millimeter band (in satellite uplink) --
Kanshiro Kashiki, Tomoki Sada (KDDI Research), Akihide Nagamine (Tokyo Tech.), Fumio Watanabe (KDDI Research/Tokyo Tech.) SAT2016-68
In the fifth generation cellular system, use of 28 GHz band is discussed as new radio frequency. Since the band is also ... [more] SAT2016-68
pp.41-46
SR 2016-10-28
13:00
Osaka Osaka Univ. Nakanoshima Center Feature detection scheme using Cyclic Prefix (CP) in OFDM -- Analytical approach and its results of Output S/N at feature detector --
Kanshiro Kashiki, Tomoki Sada, Akira Yamaguchi (KDDI Research) SR2016-70
From the viewpoint of the efficient use of frequency resources in mobile radio service, authors have been investigating ... [more] SR2016-70
pp.85-92
AP 2016-03-10
14:10
Yamanashi Isawa Onsen (Kanpo no Yado) Prediction formula of propagation loss in a dense human body shadowing environment in 5GHz wireless communications
Keisuke Hokai, Hisato Iwai (Doshisha Univ.), Hiroyuki Shinbo (ATR), Tomoki Sada, Shingo Watanabe (KDDI R&D Labs.) AP2015-210
This paper presents an estimation formula of propagation loss in 5GHz band with dense human body shadowing in an urban a... [more] AP2015-210
pp.37-42
RCS, SR, SRW
(Joint)
2015-03-04
09:25
Tokyo Tokyo Institute of Technology Performance characteristics of feature detection scheme using Cyclic Prefix (CP) in OFDM and its applications
Kanshiro Kashiki, Tomoki Sada, Kosuke Yamazaki, Shingo Watanabe (KDDI Labs.) SR2014-112
From the viewpoint of the efficient use of frequency resources in mobile radio service, the authors have been investigat... [more] SR2014-112
pp.7-14
RCS, SR, SRW
(Joint)
2015-03-04
09:50
Tokyo Tokyo Institute of Technology Cooperative sensing scheme weighted by estimated detection probability and its performance characteristics
Tomoki Sada, Kanshiro Kashiki, Kosuke Yamazaki, Shingo Watanabe (KDDI R&D Labs) SR2014-113
The spectrum sharing schemes to use the same frequency spectrum by multiple radio communication systems are currently be... [more] SR2014-113
pp.15-22
RCS, SR, SRW
(Joint)
2014-03-04
09:15
Tokyo Waseda Univ. Analytical Performance Evaluation of Signal Detection Scheme for Allowing Coexistence of Additional and Existing Radio Communication Systems (Part2)
Kanshiro Kashiki, I-Te Lin, Tomoki Sada, Toshihiko Komine, Shingo Watanabe (KDDI Labs.) SR2013-104
From the viewpoint of the efficient use of frequency resources, we are investigation the introduction of additional syst... [more] SR2013-104
pp.53-60
ASN, RCS, NS, SR
(Joint)
2013-07-19
10:50
Shizuoka Hamamatsu Act City Analytical Performance Evaluation of Signal Detection Scheme for Allowing Coexistence of Additional and Existing Radio Communication Systems
I-Te Lin, Kanshiro Kashiki, Tomoki Sada, Toshihiko Komine, Shingo Watanabe (KDDI R&D Labs) SR2013-52
For judgment to allow the coexistence of an additional radio communication system (generally, secondary system) and an e... [more] SR2013-52
pp.171-178
RCS, SR, SRW
(Joint)
2013-02-28
11:10
Tokyo Waseda Univ. Signal detection scheme and its fundamental performance characteristics allowing the coexistence of both additional and existing radio communication systems
Kanshiro Kashiki, Tomoki Sada, Toshihiko Komine, Shingo Watanabe (KDDI R&D Labs.) SR2012-101
(To be available after the conference date) [more] SR2012-101
pp.109-114
SIP, RCS 2011-01-20
10:15
Kagoshima   Performance Evaluation of GBD under Channel Estimation Errors for MU-MIMO Downlink
Tomoki Sada, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) SIP2010-70 RCS2010-200
In a downlink (broadcast channel) of multiuser MIMO systems, we need to suppress the inter-user interference (IUI).
I... [more]
SIP2010-70 RCS2010-200
pp.7-12
RCS, NS
(Joint)
2010-07-16
16:10
Hokkaido Abashiri Public Auditorium Generalized Block Diagonalization for Multiuser MIMO Downlink
Tomoki Sada, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2010-75
 [more] RCS2010-75
pp.161-166
RCS 2009-10-15
14:15
Kyoto ATR Multi-stream Transmission with Imperfect Block Diagonalization for Multiuser MIMO Downlink
Tomoki Sada, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ) RCS2009-116
In the downlink (broadcast channel) of the multiuser MIMO system, suppression of inter-user interference (IUI) is an imp... [more] RCS2009-116
pp.37-42
 Results 1 - 13 of 13  /   
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