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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 134  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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 2021-01-21
14:00
Online Online A Study of Pilot Assignment Optimization Based on Statistical Beam Selection for Large Multi-User MIMO
Yuichi Ochi, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) IT2020-78 SIP2020-56 RCS2020-169
We propose a novel pilot assignment optimization scheme based on statistical beam selection for significant pilot overhe... [more] IT2020-78 SIP2020-56 RCS2020-169
pp.87-92
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
NS, RCS
(Joint)
2020-12-18
13:50
Online Online [Invited Lecture] A Study on Higher-Order Large MIMO Detection via Concatenated Beam- and Antenna- Domain Layered BP
Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) NS2020-102 RCS2020-149
In large multi-user multi-input multi-output systems, the computational cost and circuit scale on the base station (BS) ... [more] NS2020-102 RCS2020-149
pp.79-84
RCS, AP, UWT
(Joint)
2020-11-25
10:15
Online Online A Study on Joint Channel and Data Estimation via Belief Propagation for Correlated Large MIMO Systems
Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) RCS2020-111
We propose a novel joint channel and data estimation (JCDE) scheme for correlated large multi-user multi-input multi-out... [more] RCS2020-111
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
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
SR, NS, SeMI, RCC, RCS
(Joint)
2020-07-09
13:50
Online Online A Study on Deep Unfolding-aided Gaussian Belief Propagation for Correlated Large MIMO Signal Detection
Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Kazushi Muraoka, Naoto Ishii (NEC), Seiichi Sampei (Osaka Univ.) RCC2020-6 NS2020-35 RCS2020-69 SR2020-14 SeMI2020-6
 [more] RCC2020-6 NS2020-35 RCS2020-69 SR2020-14 SeMI2020-6
pp.25-30(RCC), pp.25-30(NS), pp.67-72(RCS), pp.31-36(SR), pp.19-24(SeMI)
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 2020-06-25
15:20
Online Online Bilinear Gaussian Belief Propagation for Iterative Channel and Data Estimation in Large MIMO Systems
Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ) RCS2020-40
 [more] RCS2020-40
pp.103-108
RCS 2020-06-25
15:45
Online Online A Study on Trainable Gaussian Belief Propagation Using Deep Unfolding for Large MIMO Signal Detection
Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Kazushi Muraoka, Naoto Ishii (NEC), Seiichi Sampei (Osaka Univ.) RCS2020-41
 [more] RCS2020-41
pp.109-114
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