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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OPE, OCS, LQE | 2022-10-20 14:45 |
Ehime | (Primary: On-site, Secondary: Online) |
A Study of MIMO Optical Wireless Communication System Using Maximum Likelihood Estimation Kouki Seitaibashi, Shiro Ryu (Meiji Univ.)  OCS2022-20 OPE2022-66 LQE2022-29 |
The development of Internet technologies such as smartphones and computers has created congestion on mobile networks and... [more] | OCS2022-20 OPE2022-66 LQE2022-29 pp.16-21 |
| SAT | 2021-10-08 09:20 |
Online | Online | A study on improving error-correction performance by combining signals received via satellite channel and IP network for 21-GHz-band satellite broadcasting Yuki Koizumi, Yoichi Suzuki, Masashi Kamei (NHK) SAT2021-48 |
We are developing a 21-GHz-band satellite-broadcasting system that has the capability of transmitting signals at bit rat... [more] | SAT2021-48 pp.28-31 |
| RCS | 2021-06-25 10:00 |
Online | Online | A Study on Phase-Noise-Aware LLR Calculation for Millimeter-wave MIMO Systems with High-Order Modulation Daiki Wakumoto, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Seiichi Sampei (Osaka Univ.) RCS2021-66 |
This paper proposes a low-complexity demodulation method via phase-noise-aware log-likelihood ratios (LLRs) at the base ... [more] | RCS2021-66 pp.214-219 |
| RCS, SR, SRW (Joint) |
2021-03-03 10:35 |
Online | Online | Non-Orthogonal Multiple Access that allocates subcarriers based on factor graphs Taichi Yamagami, Satoshi Denno, Ahi Ko (Okayama Univ.) SRW2020-52 |
In this paper, we propose a non-orthogonal multiple access in the frequency domain. In the proposed method, multiple use... [more] | SRW2020-52 pp.7-13 |
| 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 |
| 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 | 2019-06-19 16:35 |
Okinawa | Miyakojima Hirara Port Terminal Building | On Bit LLR Design for Polar-Coded MIMO Spatial Multiplexing System Based on QRD-M Algorithm Shuhei Yamaguchi, Hideki Ochiai (Yokohama National Univ.) RCS2019-61 |
In order to improve bandwidth efficiency of wireless communications systems, MIMO techniques have been extensively studi... [more] | RCS2019-61 pp.143-148 |
| CS, IE, IPSJ-AVM, ITE-BCT [detail] | 2018-11-30 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) CS2018-86 IE2018-65 |
A pedestrian tracking system has been studied for various systems such as surveillance systems and traffic monitoring sy... [more] | CS2018-86 IE2018-65 pp.117-122 |
| IBISML | 2018-11-05 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) IBISML2018-86 |
Likelihood ratio test of logistic regression commonly used when testing whether an attribute of data significantly influ... [more] | IBISML2018-86 pp.313-320 |
| SANE | 2018-10-12 11:20 |
Tokyo | The University of Electro-Communications | 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) SANE2018-48 |
Authors have proposed a multi-frequency step CPC(complementary phase code) method that can obtain high range resolution ... [more] | SANE2018-48 pp.23-28 |
| SAT | 2018-10-11 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) SAT2018-49 |
This paper gives the conclusive chapters in the Signal Space theory and its applications to communications described in ... [more] | SAT2018-49 pp.11-16 |
| RCS, SR, SRW (Joint) |
2018-02-28 10:30 |
Kanagawa | YRP | Study on maximum likelihood detection of uplink MIMO-FSK with channel estimation Kazuki Yoshida, Yasunori Iwanami (N.I.T.) RCS2017-329 |
FSK signal has a constant envelope and is suited to the non-linear amplification with high power efficiency. This featur... [more] | RCS2017-329 pp.69-74 |
| IBISML | 2017-11-10 13:00 |
Tokyo | Univ. of Tokyo | [Poster Presentation]
Effect of maximum likelihood estimation after L1 regularization in learning of log-linear models Kazuya Takabatake, Shotaro Akaho (AIST) IBISML2017-86 |
$L_1$ regularization has two functions. One function is the structure learning by parameter reduction, and another func... [more] |
IBISML2017-86 pp.369-375 |
| R | 2017-07-28 12:45 |
Hokkaido | Wakkanai Sun Hotel | A note on a detection method of cascading failure-occurrences in n-component parallel systems by using likelihood-ratio test Shuhei Ota, Mitsuhiro Kimura (Hosei Univ.) R2017-14 |
If a cascading failure occurs in components of a parallel system, the system cannot deliver the designed reliability. Al... [more] | R2017-14 pp.1-6 |
| US | 2017-06-27 14:20 |
Tokyo | Estimation of transmit-receive response and its application to method for improvement of range spatial resolution Michiya Mozumi, Hideyuki Hasegawa (Univ. of Toyama) US2017-23 |
The range spatial resolution is one of the elements which is related to an image quality in the ultrasonic imaging. We d... [more] | US2017-23 pp.13-17 |
|
| NS, RCS (Joint) |
2016-12-22 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.) RCS2016-225 |
This paper proposes a novel phase noise variance estimation method using preamble sequence and high reliability log like... [more] | RCS2016-225 pp.93-98 |
|
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2016-11-10 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) OCS2016-59 |
Exponentially increasing internet traffic requires optimal exploitation of spectral resource of optical network. Therefo... [more] | OCS2016-59 pp.13-18 |
| SP, IPSJ-SLP (Joint) |
2016-07-30 09:00 |
Yamagata | Takinoyu Hotel | Discriminative Training Method of Recurrent Neural Network Language Models for Speech Recognition Yuuki Tachioka (Mitsubishi Electric), Shinji Watanabe (MERL) SP2016-26 |
A recurrent neural network language model (RNN-LM) can consider a longer word context than an n-gram language model, and... [more] | SP2016-26 pp.33-38 |
| IE, IMQ, MVE, CQ (Joint) [detail] |
2016-03-07 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) CQ2015-110 |
In delay tolerant networking (DTN), data communication is realized even if interruption or disruption occurs. When we ev... [more] | CQ2015-110 pp.13-18 |
|
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 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) CCS2015-74 |
To obtain both physical-layer security and channel coding effect, a chaos multiple-input multiple-output (C-MIMO) transm... [more] | CCS2015-74 pp.39-44 |
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