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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP, WPT
(Joint)
2024-01-18
09:55
Niigata Tokimate, Niigata University
(Primary: On-site, Secondary: Online)
[Invited Lecture] Expansion of Virtual BF Antenna Construction Method Using Rotating Reflector Antenna for Polarized MIMO Evaluation
Tomonori Ikeda, Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Masayuki Miyashita, Ayumu Yabuki (SoftBank) AP2023-168
The use of terahertz band is being considered for six-generation mobile communications, and the use of beamforming anten... [more] AP2023-168
pp.47-51
AP 2023-03-16
12:45
Toyama Toyama Prefectural Civic Hall
(Primary: On-site, Secondary: Online)
Antenna Array Calibration Method Using Virtual Array and Symmetrical Mutual Coupling of 4-Element Linear Array
Takashi Mori (Anritsu) AP2022-234
Antenna array calibration is indispensable for accurate direction-of-arrival (DOA) estimation because mutual coupling an... [more] AP2022-234
pp.1-6
SANE 2021-08-26
14:00
Online Online A Consideration for Virtual Array in MIMO Radar
Hirokazu Kobayashi (Electromagnetic Wave System Lab.) SANE2021-22
Multiple-input multiple-output (MIMO) radar that employs multiple antennas to transmit orthogonal waveforms and multiple... [more] SANE2021-22
pp.1-6
CQ, CBE
(Joint)
2021-01-20
09:45
Online Online Study on signal selection in blind based virtual massive array
Sota Takahashi, Issei Watanabe, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Tomoki Murakami (NTT) CQ2020-60
In fifth-generation (5G) and later (B5G/6G) systems, massive multiple-input-multiple-output (MIMO) systems using a large... [more] CQ2020-60
pp.1-4
AP 2020-08-21
10:50
Online Online A Study on Estimation of Source Locations with Virtual Array using UAVs
Shun Takase, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Tutomu Mitsui (Koden Electric), Takahiro Matsuda (Metropolitan Univ.) AP2020-27
In recent years, the operation of wireless communication systems has increased due to the spread of wireless LANs, smart... [more] AP2020-27
pp.23-26
MIKA
(2nd)
2019-10-03
11:15
Hokkaido Hokkaido Univ. [Poster Presentation] Development of SHF Band Channel Sounder by Virtual Cubic Array
Kang CheChia, Saitou Kentaro, Takada Jun-ichi (Tokyo Tech)
Due to the increasing demand of the user traffic forward the 5th generation mobile communication system, utilizing massi... [more]
MIKA
(2nd)
2019-10-03
11:15
Hokkaido Hokkaido Univ. [Poster Presentation] Transmission Error Correction Using Eigenvectors in MIMO Radar with Overlapping Elements
Hidetaka Kato, Nobuyoshi Kikuma, Kunio Sakakibara (NIT)
In recent years, development of high-performance radar is required to realize automatic driving and danger avoidance sys... [more]
CQ 2019-05-30
13:45
Hiroshima Hiroshima City University A proposal on propagation environmental control by virtual massive array
Issei Watanabe, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Tomoki Murakami (NTT) CQ2019-15
With the rapid spread of wireless communication devices such as smartphones in recent years, mobile communication traffi... [more] CQ2019-15
pp.23-26
AP 2019-05-16
14:30
Hyogo Kanpo-no-yado Arima (Arima Onsen, Hyogo) Consideration on Physical Models of Synthetic Aperture Measurement Techniques
Ryo Yamaguchi (Soft Bank) AP2019-4
Far field measurement method using synthetic aperture method is effective to an 1-dimensional long antenna like a mobile... [more] AP2019-4
pp.19-24
RCC, ASN, RCS, NS, SR
(Joint)
2015-07-29
15:50
Nagano JA Naganoken Bldg. An experimental discussion of virtual array antenna technologies for dynamic beam-forming in a low cost way
Taichi Ohtsuji, Takahide Yoshida, Hiroto Sugahara (NEC) ASN2015-28
With rapid growth of IoT (Internet of Things), a scenario of wireless communications between moving things is expected t... [more] ASN2015-28
pp.43-48
WBS 2010-10-08
09:30
Nara Naramachi Center [Poster Presentation] Ultra-Wideband Spatio-Temporal Channel Sounding with Use of an OFDM Signal in an Indoor Environment
Daisuke Sugizaki, Soichi Saito, Naohiko Iwakiri, Takehiko Kobayashi (Tokyo Denki Univ.) WBS2010-29
Microwave vector network analyzer (VNA) has been widely used to as an ultra wideband (UWB) channel sounder. However, ch... [more] WBS2010-29
pp.47-52
RCS, AN, MoNA, SR
(Joint)
2009-03-04
14:00
Kanagawa YRP A Study on Transmit Power in an Uplink Virtual MIMO System
Yuta Saito, Yasutaka Ogawa, Takeo Ohgane, Toshihiko Nishimura (Hokkaido Univ.) RCS2008-223
A higher frequency band is considered to be used for future mobile communications. However, reliable transmission may no... [more] RCS2008-223
pp.65-70
AP 2009-01-22
10:20
Fukuoka Fukuoka University Optimization of Virtual Element Position for Array Calibration based on Virtual Array Concept
Takashi Naito, Hiroyoshi Yamada, Yoshio Yamaguchi (Niigata Univ.) AP2008-162
In recent years, superresolution DOA estimation with an array antenna has become indispensable for various application f... [more] AP2008-162
pp.73-78
RCS 2008-08-27
10:50
Hokkaido Hokkaido University A Study on the Feedback Amount Reduction of Frequency Offset and Transmit Weight in a Virtual MIMO System
Yuta Saito, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) RCS2008-57
A higher frequency band is considered to be used for future mobile communications. However, reliable transmission may no... [more] RCS2008-57
pp.25-30
AP 2008-06-19
14:30
Tokyo Kikai-Shinko-Kaikan Bldg. DOA estimation Using the Difference Between of 2 Modevectors
Hiromi Matsuno, Hiroyuki Arai (Yokohama National Univ.) AP2008-32
This paper shows a DOA estimation using virtual modevectors which consist of the difference between 2 modevectors of arr... [more] AP2008-32
pp.17-22
AP 2008-01-23
16:00
Okinawa Tyeruru.(Naha) On calibration of elevation angle dependency for DOA estimation with linear array using virtual array
Takashi Naito, Hiroyoshi Yamada, Yoshio Yamaguchi (Niigata Univ.) AP2007-130
In recent years, superresolution DOA estimation with array antenna has become indispensable for various application fiel... [more] AP2007-130
pp.45-50
AP 2008-01-24
10:30
Okinawa Tyeruru.(Naha) Direction of Arrivals Estimation of Coherent Signal Waves Using Interpolated ESPRIT in Thinning Array Antenna
Yuki Hamana, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (TUAT) AP2007-134
It is difficult to estimate DOA(Direction-of-Arrival) of coherent signal waves by SSP(Spatial Smoothing Preprocessing) a... [more] AP2007-134
pp.69-74
RCS, AP
(Joint)
2007-11-08
11:20
Tokyo Univ. of Electro-Commun. A Study on Uplink Weights Compensating Terminal Frequency Offsets in a Virtual MIMO System
Yuta Saito, Yasutaka Ogawa, Takeo Ohgane, Toshihiko Nishimura (Hokkaido Univ.) AP2007-107
Recently, a virtual antenna array, which is formed by multiple terminals cooperating each other, has attracted attention... [more] AP2007-107
pp.31-36
AP, SAT
(Joint)
2005-07-22
09:30
Hokkaido Hotel Taisetsu DOA Estimation System Using Virtual Rectangular Array with Eigenvectors
Akimichi Hirota, Hiroyuki Arai (Yokohama National Univ.), Masayuki Nakano (KDDI)
In this paper, a ‘T’ character-type array antenna system is proposed which estimates the directions of arrival (DOA) by ... [more] AP2005-56
pp.107-112
 Results 1 - 19 of 19  /   
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