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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 93  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
SR, SRW
(Joint)
2015-10-27
09:30
Tokyo KKE [Poster Presentation] Active Period Detection Method of Primary Signal for Radio Environment Database
Hao Wang, Takeo Fujii (UEC) SR2015-50 SRW2015-31
As a solution to the spectrum shortage problem, a Radio Environment Database (RED), which is an external support to prov... [more] SR2015-50 SRW2015-31
pp.21-22
SAT 2015-10-08
13:45
Osaka Osaka University Nakanoshima Center Analytical Evaluation of Maximum Likelihood Estimation for SNR
Shinji Nishijima, Ikuo Oka, Shingo Ata (Osaka City Univ.) SAT2015-41
The estimate channel state information (CSI) take an important role in the adaptive communication systems, which change ... [more] SAT2015-41
pp.141-144
 Results 1 - 20 of 93  /  [Next]  
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