Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-06-13 14:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Consideration on Reducing the Influence of Array Errors in DOA Estimation Using Compressed Sensing Nobuyoshi Kikuma, Kokoa Nakano, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
[more] |
|
AP |
2023-12-14 13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Performance Improvement of TOF and DOA Estimation in UWB Wireless System Using 2D-FOCUSS with Beamspace Processing Kento Kataoka (Tokai Rika), Nobuyoshi Kikuma (NIT), Yoshiki Oishi, Tatsuya Koike, Kenichi Koga (Tokai Rika), Kunio Sakakibara, Yoshiki Sugimoto (NIT) AP2023-155 |
The PN correlation method can estimate TOF (Time of Flight) with high accuracy in the UWB wireless system. Moreover, it ... [more] |
AP2023-155 pp.1-6 |
AP, RCS (Joint) |
2023-11-17 13:25 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Antenna Integrated Techniques and Problems in Sub-THz Band Kunio Sakakibara, Yoshiki Sugimoto, Rohani Bakar, Takanori Narita, Motoko Sakamoto, Bazilah Baharom, Chatchai Chockchai, Shumpei Kishi, Takuya Sugiyama, Takeyuki Tsuchida, Azuki Iwamoto, Atsuya Yamazaki, Taisuke Uemura, Nobuyoshi Kikuma (NITech) AP2023-151 RCS2023-174 |
We are in the development of sub-terahertz antennas in 300 GHz band. Technical problems in this frequency band are picke... [more] |
AP2023-151 RCS2023-174 pp.110-115(AP), pp.113-118(RCS) |
AP |
2023-10-19 10:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
High Crossover Level Design of a 300 GHz Band Multi-beam Spherical Homogeneous Dielectric Lens Antenna Takeyuki Tsuchida, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma (NITech) AP2023-93 |
Dielectric lens antennas are suited for use as antennas in 300 GHz band because they can easily achieve high gain with l... [more] |
AP2023-93 pp.27-31 |
AP |
2023-10-19 13:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Gain Improvement by One-dimensional Anti-reflection Structure on Low-profile Multi-beam High-permittivity Lens Antenna at 300GHz Band Takuya Sugiyama, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma (NITech) AP2023-117 |
Dielectric lens antennas are suited for use as antennas in 300 GHz band because these can easily achieve high directivit... [more] |
AP2023-117 pp.108-112 |
AP |
2023-10-20 10:55 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
Consideration for mutual impedance and mutual radiation resistance of loop antenna arrays Nakato Kojima, Nobuyoshi Kikuma (NITech) AP2023-123 |
Mutual coupling is a critical consideration in the design of an array antenna.
Mutual coupling is expressed as a mutual... [more] |
AP2023-123 pp.133-138 |
AP |
2023-10-20 14:45 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
On Improving DOA Estimation Performance of VESPA by Using Multiple Guiding Sensor Pairs Nobuyoshi Kikuma, Kenta Noda, Kunio Sakakibara, Yoshiki Sugimoto (NITech) AP2023-126 |
Virtual ESPRIT Algorithm (VESPA) is a method for estimating the directions of arrival (DOA) using higher-order statistic... [more] |
AP2023-126 pp.147-152 |
AP |
2023-10-20 15:45 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
TOF and DOA Estimation from Signal Source in Multipath Environments of UWB Wireless System Using 2D-FOCUSS with Beamspace Processing Kento Kataoka (Tokai Rika), Nobuyoshi Kikuma (NIT), Yoshiki Oishi, Tatsuya Koike, Kenichi Koga (Tokai Rika), Kunio Sakakibara, Yoshiki Sugimoto (NIT) AP2023-128 |
The PN correlation method can estimate TOF (Time of Flight) with high accuracy in the UWB wireless system. Moreover, it ... [more] |
AP2023-128 pp.158-163 |
MIKA (3rd) |
2023-10-10 15:35 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Consideration of Data Smoothing and Weight Orthogonalization in Blind Signal Separation Using Kurtosis Maximization Algorithm Shogo Osakabe, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
With the recent rapid evolution in wireless communications, the demand for high-quality, low-latency transmission and th... [more] |
|
MIKA (3rd) |
2023-10-11 14:30 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
DOA Estimation of Desired Waves Using MUSIC Algorithm with Multiple Cyclic Correlations Yasuhiro Teshima, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
With the development of wireless communications, it is essential to understand the detailed structure of radio propagati... [more] |
|
MIKA (3rd) |
2023-10-11 14:30 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Near-field Radio Source Localization Using Blind Array Calibration for Thinned Circular Array. Akihiro Kakimi, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
This study discusses near-field radio source localization using the MUSIC algorithm with a circular array, for example, ... [more] |
|
CQ, MIKA (Joint) |
2023-08-31 13:30 |
Fukushima |
Tenjin-Misaki Sports Park |
[Tutorial Invited Lecture]
Linear Algebra Useful for Analysis of Wireless Systems
-- Practical Linear Algebra Based on Complex-valued Expression -- Nobuyoshi Kikuma (NITech) CQ2023-26 |
Linear algebra is widely learned as the basis of high-level mathematics. This tutorial lecture explains through some exa... [more] |
CQ2023-26 p.1 |
SRW, MICT, WBS |
2023-07-21 14:50 |
Niigata |
Niigata Univ. TOKIMATE (Primary: On-site, Secondary: Online) |
[Invited Talk]
Beam-scanning Antennas and Integrated Techniques in Sub-THz Wave Band Kunio Sakakibara, Yoshiki Sugimoto, Rohani Bakar, Jihoon Kim, Motoko Sakamoto, Takanori Narita, Bazilah Baharom, Chatchai Chockchai, Shumpei Kishi, Takuya Sugiyama, Takeyuki Tsuchida, Azuki Iwamoto, Atsuya Yamazaki, Maho Tomiyama, Nobuyoshi Kikuma (NITech) WBS2023-27 SRW2023-25 MICT2023-24 |
The 300 GHz band is being considered for large-capacity wireless communication and future mobile communication systems. ... [more] |
WBS2023-27 SRW2023-25 MICT2023-24 pp.72-77 |
AP (2nd) |
2023-06-01 14:20 |
Nagano |
Nagano Prefecture Minamimaki Village Office, Central Public Hall |
Low-profile Design of Mechanical/Electrical Hybrid 2-dimensional Beam Scanning Cylindrical High-permittivity Lens Antenna with Surface Matching Structure Yoshiki Sugimoto (NITech), Tuan Hung Nguyen (Le Quy Don Technical Univ.), Takanori Narita, Kunio Sakakibara, Nobuyoshi Kikuma (NITech) |
Dielectric lens antennas are one of the suitable candidates for 300 GHz frequency band wireless communication antennas. ... [more] |
|
MIKA (3rd) |
2023-02-21 14:30 |
Niigata |
(Primary: On-site, Secondary: Online) |
Talk in memory of Prof. Nishimori Nobuyoshi Kikuma (Nagoya Inst. of Tech) |
[more] |
|
AP |
2023-02-17 09:55 |
Miyagi |
Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Performance Analysis of R-MFOCUSS Algorithm for Target-Direction Estimation in Bistatic MIMO Radar with Matched Filters Motoya Ichikawa, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) AP2022-221 |
[more] |
AP2022-221 pp.133-138 |
MIKA (3rd) |
2022-10-14 10:40 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance Improvement of TOA Estimation for Multipath Waves Using Compressed Sensing in PN Correlation Method Shotaro Sakakibara, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
In recent years, location information of mobile terminals has become necessary to improve security in wireless communica... [more] |
|
MIKA (3rd) |
2022-10-14 10:40 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance Analysis of Regularized FOCUSS Algorithm in Joint DOD and DOA Estimation Using Bistatic MIMO Radar Motoya Ichikawa, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
Joint DOD (Direction of Departure) and DOA (Direction of Arrival) for targets using bistatic MIMO radar have been recent... [more] |
|
MIKA (3rd) |
2022-10-14 10:40 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Localization of Radio Sources Using Near-field SAGE-DOA-Marix Method in Distributed Array Antennas Yuta Tanaka, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
Radio waves with shorter wavelengths, such as millimeter and sub-terahertz bands, have been used in wireless communicati... [more] |
|
AP, SANE, SAT (Joint) |
2022-07-27 15:05 |
Hokkaido |
Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
TOF and DOA Estimation Using PN Correlation Method with 2D-FOCUSS in UWB Wireless System
-- Improvement of Signal Source Position Estimation Performance in Multipath Environment -- Kento Kataoka (Tokai Rika), Nobuyoshi Kikuma (NIT), Yoshiki Oishi, Tatsuya Koike, Kenichi Koga (Tokai Rika), Kunio Sakakibara, Yoshiki Sugimoto (NIT) AP2022-42 |
The PN correlation method can estimate TOF (Time of Flight) with high accuracy in the UWB wireless system and can estima... [more] |
AP2022-42 pp.44-49 |