Committee 
Date Time 
Place 
Paper Title / Authors 
Abstract 
Paper # 
RCS 
20210625 10:00 
Online 
Online 
A Study on PhaseNoiseAware LLR Calculation for Millimeterwave MIMO Systems with HighOrder Modulation Daiki Wakumoto, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) RCS202166 
This paper proposes a lowcomplexity demodulation method via phasenoiseaware loglikelihood ratios (LLRs) at the base ... [more] 
RCS202166 pp.214219 
RCS, SR, SRW (Joint) 
20210303 10:35 
Online 
Online 
NonOrthogonal Multiple Access that allocates subcarriers based on factor graphs Taichi Yamagami, Satoshi Denno, Ahi Ko (Okayama Univ.) SRW202052 
In this paper, we propose a nonorthogonal multiple access in the frequency domain. In the proposed method, multiple use... [more] 
SRW202052 pp.713 
SIP, IT, RCS 
20210121 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.) IT202068 SIP202046 RCS2020159 
In Internet of things (IoT) devices, low power wide area (LPWA) has been attracting attention, and LoRa modulation is an... [more] 
IT202068 SIP202046 RCS2020159 pp.2833 
RCS 
20200626 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.) RCS202044 
This paper clarifies derivations of loglikelihood ratios (LLRs), which are the soft decision value output of the LoRa d... [more] 
RCS202044 pp.127132 
RCS 
20190619 16:35 
Okinawa 
Miyakojima Hirara Port Terminal Building 
On Bit LLR Design for PolarCoded MIMO Spatial Multiplexing System Based on QRDM Algorithm Shuhei Yamaguchi, Hideki Ochiai (Yokohama National Univ.) RCS201961 
In order to improve bandwidth efficiency of wireless communications systems, MIMO techniques have been extensively studi... [more] 
RCS201961 pp.143148 
CS, IE, IPSJAVM, ITEBCT [detail] 
20181130 15:15 
Tokushima 
Tokushima University (Memorial Hall of Almuni(Engineering)) 
A pedestrian tracking system using ICA and a particle filter Yoshihiro Tomonari, Yukinori Suzuki (Muroran IT) CS201886 IE201865 
A pedestrian tracking system has been studied for various systems such as surveillance systems and traffic monitoring sy... [more] 
CS201886 IE201865 pp.117122 
IBISML 
20181105 15:10 
Hokkaido 
Hokkaido Citizens Activites Center (Kaderu 2.7) 
[Poster Presentation]
Differential Privacy for Likelihood Ratio Test Arashi Haishima (Univ. of Tsukuba), Jun Sakuma (Univ. of Tsukuba/RIKEN) IBISML201886 
Likelihood ratio test of logistic regression commonly used when testing whether an attribute of data significantly influ... [more] 
IBISML201886 pp.313320 
SANE 
20181012 11:20 
Tokyo 
The University of ElectroCommunications 
Evaluation of Characteristics of Recursive Signal Subtraction Frequency Estimation Method and Consideration of Application to Stepped Multiple Frequency CPC Kazuki Yamaguchi, Kazuhiro Watanabe, Manabu Akita, Takayuki Inaba (UEC) SANE201848 
Authors have proposed a multifrequency step CPC(complementary phase code) method that can obtain high range resolution ... [more] 
SANE201848 pp.2328 
SAT 
20181011 13:55 
Overseas 
KARI 
Signal Space Theory and Applications to Communications
 Communication is recovery of the original vector in the signal space  Osamu Ichiyoshi (HNB21C) SAT201849 
This paper gives the conclusive chapters in the Signal Space theory and its applications to communications described in ... [more] 
SAT201849 pp.1116 
RCS, SR, SRW (Joint) 
20180228 10:30 
Kanagawa 
YRP 
Study on maximum likelihood detection of uplink MIMOFSK with channel estimation Kazuki Yoshida, Yasunori Iwanami (N.I.T.) RCS2017329 
FSK signal has a constant envelope and is suited to the nonlinear amplification with high power efficiency. This featur... [more] 
RCS2017329 pp.6974 
IBISML 
20171110 13:00 
Tokyo 
Univ. of Tokyo 
[Poster Presentation]
Effect of maximum likelihood estimation after L1 regularization in learning of loglinear models Kazuya Takabatake, Shotaro Akaho (AIST) IBISML201786 
$L_1$ regularization has two functions.
One function is the structure learning by parameter reduction, and another func... [more] 
IBISML201786 pp.369375 
R 
20170728 12:45 
Hokkaido 
Wakkanai Sun Hotel 
A note on a detection method of cascading failureoccurrences in ncomponent parallel systems by using likelihoodratio test Shuhei Ota, Mitsuhiro Kimura (Hosei Univ.) R201714 
If a cascading failure occurs in components of a parallel system, the system cannot deliver the designed reliability. Al... [more] 
R201714 pp.16 
US 
20170627 14:20 
Tokyo 

Estimation of transmitreceive response and its application to method for improvement of range spatial resolution Michiya Mozumi, Hideyuki Hasegawa (Univ. of Toyama) US201723 
The range spatial resolution is one of the elements which is related to an image quality in the ultrasonic imaging. We d... [more] 
US201723 pp.1317 
NS, RCS (Joint) 
20161222 10:40 
Ishikawa 

A Study on Phase Noise Variance Estimation and Approximated LLR for Single Carrier Transmissions Makoto Nishikori, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) RCS2016225 
This paper proposes a novel phase noise variance estimation method using preamble sequence and high reliability log like... [more] 
RCS2016225 pp.9398 
OFT, OCS, IEECMN, ITEBCT [detail] 
20161110 16:50 
Nagasaki 
Nagasaki Shoko Kaigi Sho 
LLR generation of 4D modulation based on inverse code Tatsuya Nakamura, Emmanuel Le Taillandier de Gabory, Hidemi Noguchi, Jun'ichi Abe (NEC) OCS201659 
Exponentially increasing internet traffic requires optimal exploitation of spectral resource of optical network. Therefo... [more] 
OCS201659 pp.1318 
SP, IPSJSLP (Joint) 
20160730 09:00 
Yamagata 
Takinoyu Hotel 
Discriminative Training Method of Recurrent Neural Network Language Models for Speech Recognition Yuuki Tachioka (Mitsubishi Electric), Shinji Watanabe (MERL) SP201626 
A recurrent neural network language model (RNNLM) can consider a longer word context than an ngram language model, and... [more] 
SP201626 pp.3338 
IE, IMQ, MVE, CQ (Joint) [detail] 
20160307 09:30 
Okinawa 

Evaluation of influence of a mobility model based on person trip data on DTN routing Akio Ishikura, Jun Kawahara, Masahiro Sasabe, Shoji Kasahara (NAIST) CQ2015110 
In delay tolerant networking (DTN), data communication is realized even if interruption or disruption occurs. When we ev... [more] 
CQ2015110 pp.1318 
RCS, CCS, SR, SRW (Joint) 
20160304 14:30 
Tokyo 
Tokyo Institute of Technology 
A study on application of symbol MAP decoding for chaos MIMO scheme to improve error rate performance Eiji Okamoto (NITech) CCS201574 
To obtain both physicallayer security and channel coding effect, a chaos multipleinput multipleoutput (CMIMO) transm... [more] 
CCS201574 pp.3944 
SR, SRW (Joint) 
20151027 09:30 
Tokyo 
KKE 
[Poster Presentation]
Active Period Detection Method of Primary Signal for Radio Environment Database Hao Wang, Takeo Fujii (UEC) SR201550 SRW201531 
As a solution to the spectrum shortage problem, a Radio Environment Database (RED), which is an external support to prov... [more] 
SR201550 SRW201531 pp.2122 
SAT 
20151008 13:45 
Osaka 
Osaka University Nakanoshima Center 
Analytical Evaluation of Maximum Likelihood Estimation for SNR Shinji Nishijima, Ikuo Oka, Shingo Ata (Osaka City Univ.) SAT201541 
The estimate channel state information (CSI) take an important role in the adaptive communication systems, which change ... [more] 
SAT201541 pp.141144 