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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SIP, IT | 2022-01-20 14:30 |
Online | Online | A Study on Deep Unfolding-Aided GNSS Positioning Yuki Hayama, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)  IT2021-43 SIP2021-51 RCS2021-211 |
In Global Navigation Satellite System (GNSS) positioning, the receiver position is estimated by solving the nonlinear si... [more] | IT2021-43 SIP2021-51 RCS2021-211 pp.87-92 |
| AP, RCS (Joint) |
2021-11-11 10:20 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
An analysis of improvement of anti-eavesdropping performance of spatially-selective modulation system Hiroto Yonawa, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2021-111 |
[more] | AP2021-111 pp.61-66 |
| AP | 2021-10-07 13:00 |
Online | Online | [Poster Presentation]
Improvement of Calculation Method of Arriving Waves from Road Direction by Constraint of Launched Rays Toshiki Shimizu, Hisato Iwai, Shinsuke Ibi (Doshisha Univ) AP2021-72 |
In the ray tracing method, which is widely used to analyze the radio wave characteristics in mobile communication enviro... [more] | AP2021-72 pp.24-25 |
| AP | 2021-10-07 14:25 |
Online | Online | [Poster Presentation]
Examination of Detection Indicators for Distance Estimation of a Sensing Technique Based on Variation of Antenna Reflection Characteristics Kazuki Shintani (Doshisha Univ.), Satoru Shimizu (Doshisha Univ./ATR), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.), Takuya Kurihara, Yoshinori Suzuki (ATR) AP2021-85 |
When an object such as a human body exists near an antenna, various changes occur in the antenna characteristics. Utiliz... [more] | AP2021-85 pp.68-69 |
| AP | 2021-10-07 14:25 |
Online | Online | [Poster Presentation]
An Analysis of Anti-Eavesdropping Performance of Spatially-Selective Modulation using a Raytracing Channel Model Hiroto Yonawa, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2021-86 |
As a physical layer anti-eavesdropping technique, we have proposed spatially-selective modulation (SSM) which uses multi... [more] | AP2021-86 pp.70-71 |
| RCS | 2021-06-24 13:00 |
Online | Online | A Study on Recurrent Neural Network Aided GNSS Positioning Kohei Nishioka, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2021-53 |
One method of positioning schemes with the aid of the global navigation satellite system (GNSS) is to approximately solv... [more] | RCS2021-53 pp.145-150 |
| RCS | 2021-06-24 13:10 |
Online | Online | A Study on Gaussian Belief Propagation Detector for High-Dimensional OTFS Modulation Yuya Ito, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.), Noboru Osawa, Kosuke Yamazaki, Yoji Kishi (KDDI Research) RCS2021-54 |
This paper proposes a demodulation (detection) scheme via Gaussian belief propagation (GaBP) for orthogonal time frequen... [more] | RCS2021-54 pp.151-156 |
| RCS | 2021-06-24 13:20 |
Online | Online | A Study on Deep Unfolding-Aided Belief Propagation for Error Correction Decoding of CRC Code Qilin Zhang, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2021-55 |
Internet of things (IoT), which plays an important role in the next-generation wireless communication infrastructure, te... [more] | RCS2021-55 pp.157-162 |
| RCS, SR, SRW (Joint) |
2021-03-03 10:35 |
Online | Online | A Study on Gaussian Belief Propagation with Whitening Filter for Faster-than-Nyquist Transmissions Natsuki Yanai, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-205 |
This paper proposes a novel concatenated structure of whitening filter and iterative detector based on Gaussian belief p... [more] | RCS2020-205 pp.13-18 |
| RCS, SR, SRW (Joint) |
2021-03-05 10:30 |
Online | Online | A Study on Trainable Gaussian Belief Propagation Using Deep Unfolding for Large NOMA Detection Ryuichi Kume, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) RCS2020-255 |
This paper compares transmission characteristics of sparse code multiple access (SCMA) and sparse superposition code (SS... [more] | RCS2020-255 pp.240-245 |
| SIP, IT, RCS | 2021-01-21 10:15 |
Online | Online | A Study on Large-Scaled Signal Processing for Diversity Receptions in GNSS Positioning Kosuke Kiyama, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2020-66 SIP2020-44 RCS2020-157 |
High-precision point positioning technology using GNSS (Global Navigation Satellite System) enables localization in the ... [more] | IT2020-66 SIP2020-44 RCS2020-157 pp.17-22 |
| SIP, IT, RCS | 2021-01-21 11:20 |
Online | Online | A Study on Log Likelihood Ratio for Iterative Detection and Decoding of LoRa Modulation Takuya Mihara, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2020-68 SIP2020-46 RCS2020-159 |
In Internet of things (IoT) devices, low power wide area (LPWA) has been attracting attention, and LoRa modulation is an... [more] | IT2020-68 SIP2020-46 RCS2020-159 pp.28-33 |
| SIP, IT, RCS | 2021-01-21 11:45 |
Online | Online | A Study on Secret Key Agreement Scheme by Vector Quantization of Correlated MIMO Channel Matrix Tomoyuki Higashide, Shinsuke Ibi (Doushisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doushisha Univ.) IT2020-69 SIP2020-47 RCS2020-160 |
In the wireless communication, secret key agreement schemes on physical layer attracts attentions for protecting communi... [more] | IT2020-69 SIP2020-47 RCS2020-160 pp.34-39 |
| SIP, IT, RCS | 2021-01-22 13:20 |
Online | Online | A Study on Self-Interference Canceller Based In-Band Full-Duplex using Software Defined Radio in Pilot Contamination Environments Kensuke Tomita, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2020-93 SIP2020-71 RCS2020-184 |
IBFD (In-Band Full-Duplex), which is a new communication technology attracting attention for future wireless communicati... [more] | IT2020-93 SIP2020-71 RCS2020-184 pp.164-169 |
| AP | 2020-12-17 13:25 |
Online | Online | Improvement of Estimation Accuracy of Efficient Ray-Tracing Calculation by Restriction of Propagation Paths Kentaro Yamane, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2020-97 |
We have proposed a simplified calculation method of ray-tracing based on simple modeling of actual environments and rest... [more] | AP2020-97 pp.7-12 |
| AP | 2020-10-02 11:35 |
Okinawa | 2 sub sites and online (Primary: On-site, Secondary: Online) |
Performance Improvement of Space Selective Modulation by Increasing Number of Transmitting Antennas Daiki Fukushima, Hideichi Sasaoka, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2020-70 |
[more] | AP2020-70 pp.11-16 |
| 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 |
It has become popular to use communication terminals such as mobile phones or PC in an indoor environment where human bo... [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 |
In the next generation mobile communication such as the 5th generation system, high-frequency band such as millimeter wa... [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 |
In this paper, we study a position estimation method of location of sources of radio noise and radio interference based ... [more] | AP2020-55 pp.98-99 |
| SRW | 2020-08-24 14:50 |
Online | Online | [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 |
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