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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 150  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2020-10-02
11:35
Okinawa 2 sub sites and online
(Primary: Online, Secondary: On-Site)
Performance Improvement of Space Selective Modulation by Increasing Number of Transmitting Antennas
Daiki Fukushima, Hideichi Sasaoka, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
 [more]
MW, AP
(Joint)
2020-09-24
13:50
Online Online [Poster Presentation] Investigation of Fading Correlation Characteristics Considering Human Body Shadowing
Takato Akiyama, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2020-53
(To be available after the conference date) [more] AP2020-53
pp.94-95
MW, AP
(Joint)
2020-09-24
13:50
Online Online [Poster Presentation] Analysis of LOS (Line-of-Sight) Probability in Simultaneous Connection of Multiple Base Stations.
Ryo Goto, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2020-54
(To be available after the conference date) [more] AP2020-54
pp.96-97
MW, AP
(Joint)
2020-09-24
13:50
Online Online [Poster Presentation] A Study on Position Estimation Method of Unknown Signal Source Based on Received Signal Strength
Yuki Kawai, Seiryu Okamoto, Ryo Goto, Takato Akiyama (Doshish Univ.), Satoru Simizu (ATR/Doshish Univ.), Hisato Iwai, Shinsuke Ibi (Doshish Univ.) AP2020-55
(To be available after the conference date) [more] AP2020-55
pp.98-99
SRW 2020-08-24
14:50
Online Video Conf. [Invited Lecture] Research and Development of Non-Contact Sensing Technology using Radio Waves for New Lifestyle
Takuya Kurihara, Satoru Shimizu, Yoshinori Suzuki (ATR), Kenjiro Kubo, Hisato Iwai (Doshisha Univ.) SRW2020-16
There are various types of proximity sensors, and they are used for various applications according to their principles. ... [more] SRW2020-16
pp.37-40
SAT, RCS
(Joint)
2020-08-21
14:30
Online Online A Study on Self-Interference Canceller Based on Differential Coding in In-Band Full-Duplex Communication in Pilot Contamination Environments
Kensuke Tomita, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-87
 [more] RCS2020-87
pp.43-48
AP, SANE, SAT
(Joint)
2020-07-16
11:35
Online Online [Invited Lecture] Consideration on Efficient Calculation of Ray-Tracing Based on Simple Modeling of Actual Environment and Restriction of Propagation Paths
Kentaro Yamane, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2020-16
In this paper, we consider an efficient calculation method of ray-tracing based on simple modeling of actual environment... [more] AP2020-16
pp.39-44
RCS 2020-06-25
13:00
Online Online A Study on DLDC-Aided Joint Signal Processing for Unified Optical and Wireless Channels
Yoshikatsu Wakabayashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-35
One of the solutions for utilizing the high-frequency band is to deploy multiple distributed units (DU) under a central ... [more] RCS2020-35
pp.73-77
RCS 2020-06-26
10:25
Online Online A Study on GNSS Positioning using Neural Network
Yuki Hayama, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-43
 [more] RCS2020-43
pp.121-126
RCS 2020-06-26
10:50
Online Online A Study on Iterative Detection and Decoding for LoRa Modulation
Takuya Mihara, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-44
This paper clarifies derivations of log-likelihood ratios (LLRs), which are the soft decision value output of the LoRa d... [more] RCS2020-44
pp.127-132
RCS 2020-06-26
11:15
Online Online A Study on Gaussian Belief Propagation for Sparse Superposition Code in Massive NOMA Detection
Ryuichi Kume, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-45
In this paper, we propose an iterative detection strategy of Gaussian belief propagation (GaBP) for non-orthogonal multi... [more] RCS2020-45
pp.133-138
AP 2020-05-22
11:35
Okinawa Tiruru Okinawa (Naha-city) Performance Improvement of Space Selective Modulation by Increasing Number of Transmitting Antennas
Daiki Fukushima, Hideichi Sasaoka, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
 [more]
RCS, SR, SRW
(Joint)
2020-03-06
15:30
Tokyo Tokyo Institute of Technology [Invited Lecture] Research and Development of New Proximity Sensing Technology using Radio Waves
Takuya Kurihara, Satoru Shimizu, Yoshinori Suzuki, Kenjiro Kubo (ATR), Hisato Iwai (Doshisha Univ.) SRW2019-83
Currently, different types of sensors are used as proximity sensors, depending on the application. For example, toilets ... [more] SRW2019-83
pp.117-120
AP 2020-02-21
11:00
Shizuoka Shizuoka Univ. Hamamatsu Campus Analysis of Influence of Multipath Waves on a Position Detection Method based on DOA Estimation in an Indoor Environment
Takuma Inui, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2019-189
We evaluate accuracy of position detection method based on DOA(Direction-of-Arrival) estimation in an indoor environment... [more] AP2019-189
pp.47-51
AP 2020-02-21
14:55
Shizuoka Shizuoka Univ. Hamamatsu Campus Measurement of Received Polarization Characteristics by a Car-Mounted Antenna in Cellular Communication Environments
Seiryu Okamoto, Yuki Kawai (Doshisha Univ.), Kei HIjirikawa (Kojima Industries Co.), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2019-195
In a cellular communication environment, the required performance of an antenna intended for vehicle installation is usu... [more] AP2019-195
pp.81-84
AP, WPT
(Joint)
2020-01-24
14:20
Kagawa Sunport Hall Takamatsu [Invited Lecture] Effect of Spatial Expansion on Radio Wave Propagation Characteristics in Large-scale Indoor Space
Yuto Nishitsuji (Doshisha Univ.), Shigeo Gotoh (Panasonic Corp.), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2019-174
In recent years, Internet of Things (IoT) is spreading and increase of sensor networks and various device controls using... [more] AP2019-174
pp.129-134
IT, SIP, RCS 2020-01-23
09:50
Hiroshima Hiroshima City Youth Center A Study on Channel Estimation by Using Independent Component Analysis in Large-scale MIMO Systems
Taichi Kasai, Shinsuke Ibi, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) IT2019-37 SIP2019-50 RCS2019-267
As the demand for wireless communication technology increases, efficient frequency usage is required. In the case of lar... [more] IT2019-37 SIP2019-50 RCS2019-267
pp.7-11
IT, SIP, RCS 2020-01-23
11:15
Hiroshima Hiroshima City Youth Center A Study on Computational Reduction of PAPR Suppression Using Vector Perturbation in OFDM
Yasunao Sugimoto, Shinsuke Ibi, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) IT2019-43 SIP2019-56 RCS2019-273
 [more] IT2019-43 SIP2019-56 RCS2019-273
pp.45-50
IT, SIP, RCS 2020-01-23
13:55
Hiroshima Hiroshima City Youth Center A Study on Noise Reduction in Physical Layer Secret Key Agreement using Multi-Antenna
Tomoyuki Higashide, Shinsuke Ibi, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) IT2019-54 SIP2019-67 RCS2019-284
With the spread of the wireless communications, secret key agreement schemes on physical layer attracts attentions for p... [more] IT2019-54 SIP2019-67 RCS2019-284
pp.111-116
NS, RCS
(Joint)
2019-12-19
11:30
Tokushima Tokushima Univ. Study on correction method of key disagreement for group secret key agreement based on radio propagation characteristics in wireless networks
Hideichi Sasaoka, Hisato Iwai (Doshisha Univ.) RCS2019-242
Secret key agreement based on radio propagation characteristics attracts attention as physical layer security, but there... [more] RCS2019-242
pp.31-36
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