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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 103  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW, ICD 2017-03-02
16:30
Okayama Okayama Prefectural Univ. [Invited Lecture] An Adaptive Phased Array Control Method Using Low-Frequency Part of Signal
Tuanthanh Ta (Toshiba), Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) MW2016-202 ICD2016-132
We proposed a low cost, low power consumption beam-forming technique for wide-band wireless system such as WPAN. In prop... [more] MW2016-202 ICD2016-132
pp.79-83
RCS, SR, SRW
(Joint)
2017-03-03
16:00
Tokyo Tokyo Institute of Technology Experimental Evaluation of Transmission Timing Control for QZSS Short Message Synchronized SS-CDMA Communication
Kei Ohya, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2016-109
We have proposed synchronized spread-spectrum code-division multiple-access (SS-CDMA) communication for location and sho... [more] SR2016-109
pp.89-94
SR 2016-10-27
15:00
Osaka Osaka Univ. Nakanoshima Center [Technology Exhibit] Measurement of 3.5GHz Band Small Cell Indoor-Outdoor Propagation: Visual Exploration of Propagation Model in Wooden Residential Area
Hideki Fukudome, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2016-59
Increasing traffic amount in cellular networks has become 1000 times in decade and has become a serious issue. Dependabl... [more] SR2016-59
pp.17-20
SR 2016-10-28
15:30
Osaka Osaka Univ. Nakanoshima Center Network Selection Scheme Using Positioning Information for Heterogeneous Wireless System: Evaluation of Traffic Navigation
Qinhan Liu, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2016-76
Heterogeneous wireless systems such as a combination of mobile broadband wireless access (MBWA) and wireless local area ... [more] SR2016-76
pp.121-126
EMCJ, IEE-EMC, MW, EST [detail] 2016-10-20
15:45
Miyagi Tohoku Univ. A 2GHz Band Ultra Small Balun Composed of N Coupled Transmission Lines Using CMOS Process
Kazuma Terajima, Kenichi Fujii, Tadashi Takagi, Kazuo Tsubouchi (WTI), Kazuo Tsubouchi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) EMCJ2016-71 MW2016-103 EST2016-67
Based on the theory of coupled line,
an equivalent circuit and equations of a balun composed of N coupled transmission... [more]
EMCJ2016-71 MW2016-103 EST2016-67
pp.63-68
CQ
(2nd)
2016-10-06
13:20
Nagano Naganoken Nokyo Building [Poster Presentation] Measurement of 3.5 GHz Band Small Cell Indoor-Outdoor Propagation: Received Power Performance in a Wooden Residential Area
Kohei Akimoto, Hideki Fukudome, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.)
 [more]
CQ
(2nd)
2016-10-06
13:20
Nagano Naganoken Nokyo Building [Poster Presentation] Load Balancing Method Using QZSS/GPS High-Accuracy Positioning and Timing Information for Heterogeneous Wireless Network
Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.)
 [more]
CQ
(2nd)
2016-10-06
14:20
Nagano Naganoken Nokyo Building [Poster Presentation] Experimental evaluation of transmission timing control accuracy by positioning data error for QZSS short message SS-CDMA communication
Kei Ohya, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.)
We have proposed synchronized spread spectrum multiple access (synchronized SS-CDMA) short message communication using Q... [more]
SAT, RCS
(Joint)
2016-08-19
14:30
Miyagi Tohoku Gakuin University Solution of Hidden Terminal Problem in WLAN by Location-Based Virtual Sector Method: Evaluation of Sector Re-division Scheme in Shadowing Environment
Kohei Akimoto, Suguru Kameda, Suguru Kameda, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2016-146
Hidden terminal problem degrades the uplink system throughput of wireless local area network (WLAN) seriously. To solve ... [more] RCS2016-146
pp.95-100
SR, SRW
(Joint)
2016-05-16
14:30
Overseas Hotel Lasaretti, Oulu, Finland [Technology Exhibit] Measurement of 3.5 GHz Band Small Cell Indoor-Outdoor Propagation: Visualization Method of RSSI in 3-dimensional Geospace
Hideki Fukudome, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2016-2 SRW2016-2
We now consider the system that consists of small outdoor cells constructed by access points set up indoors in order to ... [more] SR2016-2 SRW2016-2
pp.5-6
SR, SRW
(Joint)
2016-05-17
14:00
Overseas Hotel Lasaretti, Oulu, Finland [Poster Presentation] Evaluation of Location-Based Virtual Sector Method for Hidden Terminal Problem in WLAN
Kohei Akimoto, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2016-19 SRW2016-16
We have proposed the location-based virtual sector (VS) method that can solve the hidden terminal problem without overhe... [more] SR2016-19 SRW2016-16
pp.69-70(SR), pp.57-58(SRW)
SR 2016-01-22
13:20
Nagasaki Fukue-bunka-kaikan QZSS Short Message SS-CDMA Communication: Consideration of Fairness in Random Access Control Scheme with Reservation Channel
Kei Ohya, Tomohide Takahashi, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2015-85
The Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way c... [more] SR2015-85
pp.87-94
SR 2016-01-22
13:45
Nagasaki Fukue-bunka-kaikan Experimental Evaluation of Coverage in 3.5GHz-Band Small Cell Indoor-Outdoor Propagation Environment
Hideki Fukudome, Kohei Akimoto, Surugu Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2015-86
Recently, it is a serious issue on wireless communication that traffic of cellular network is increasing rapidly. For th... [more] SR2015-86
pp.95-100
MW 2015-11-19
13:00
Okinawa Univ. of the Ryukyus A CMOS S/H IC for Ka-Band Direct RF Under Sampling Reception
Keita Norishima, Tomokazu Koizumi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) MW2015-123
 [more] MW2015-123
pp.17-21
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] 2015-07-16
13:25
Hokkaido Kushiro City Lifelong Learning Center A Ku-Band Series/Shunt Switching Type S/H IC for Direct RF Under Sampling Reception
Tomokazu Koizumi, Mizuki Motoyoshi, Daliso Banda, Osamu Wada, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) EMT2015-13 MW2015-51 OPE2015-25 EST2015-17 MWP2015-16
To reduce the size and the power consumption of receivers, direct RF under sampling reception has been developed. This r... [more] EMT2015-13 MW2015-51 OPE2015-25 EST2015-17 MWP2015-16
pp.29-34
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] 2015-07-16
13:50
Hokkaido Kushiro City Lifelong Learning Center RFIC Flip-Chip Interconnection Using a Fiber Type Anisotropic Conductive Film
Takeo Owada, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) EMT2015-14 MW2015-52 OPE2015-26 EST2015-18 MWP2015-17
RFIC flip-chip mounting technique is important to realize compact and high-performance transceivers like mobile phones. ... [more] EMT2015-14 MW2015-52 OPE2015-26 EST2015-18 MWP2015-17
pp.35-39
RCS 2015-06-25
09:24
Hokkaido Hokkaido Univ. Network Selection Scheme Using Positioning Information for Heterogeneous Wireless System: Evaluation of Scheduling Method with Route Estimation
Qinhan Liu, Junpei Kuboniwa, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-61
Heterogeneous wireless systems such as a combination of mobile broadband wireless access (MBWA) and wireless local area ... [more] RCS2015-61
pp.89-94
RCS 2015-04-17
08:30
Oita Yufuin, Yufugoukan Evaluation of Positioning Accuracy on QZSS Terminal for GPS Complementary and Reinforcement
Hiroshi Oguma, Keita Norishima, Konatsu Suehiro (NIT,Toyama), Yuji Miyake, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-9
Quasi-Zenith Satellite System (QZSS) is a satellite navigation system consisting of several QZSS satellites in highly i... [more] RCS2015-9
pp.41-46
RCS 2015-04-17
08:55
Oita Yufuin, Yufugoukan Experimental Evaluation of Timing Synchronization Accuracy considering Elevation Angle Mask for QZSS SS-CDMA Short Message Communication
Yuji Miyake, Suguru Kameda, Akinori Taira (Tohoku Univ.), Keita Norishima, Hiroshi Oguma (NIT, Toyama college), Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-10
We have proposed spread spectrum code division multiple access (SS-CDMA) short message communication using Quasi-Zenith ... [more] RCS2015-10
pp.47-52
RCS 2015-04-17
09:20
Oita Yufuin, Yufugoukan An Interference Control Scheme using Location Information in WLAN Multicell Environment
Kohei Akimoto, Suguru Kameda, Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2015-11
For the next generation mobile communication, heterogeneous wireless system has been discussed to attain high throughput... [more] RCS2015-11
pp.53-58
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