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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
CS 2020-11-06
11:15
Online Online + Central Community Center, Nonoichi Community Center
(Primary: Online, Secondary: On-site)
Performance Analysis of Success-Prioritized DCF in Non-Saturated Condition
Yamato Yoshikawa, Daisuke Umehara (KIT) CS2020-59
In recent years, mobile terminals with wireless local area network (WLAN) function have become more popular
and it is e... [more]
CS2020-59
pp.64-67
SeMI, RCS, NS, SR, RCC
(Joint)
2019-07-11
10:40
Osaka I-Site Nanba(Osaka) [Poster Presentation] Throughput and Delay Analysis for Full Duplex WLANs with Frame Aggregation in Non-saturated Condition
Mizuki Morimoto, Kosuke Sanada, Hiroyuki Hatano, Kazuo Mori (Mie Univ.) RCC2019-21 NS2019-57 RCS2019-114 SR2019-33 SeMI2019-30
Wireless full-duplex (FD) communication allows a node to send and receive data frames simultaneously within the same fre... [more] RCC2019-21 NS2019-57 RCS2019-114 SR2019-33 SeMI2019-30
pp.49-54(RCC), pp.75-80(NS), pp.71-76(RCS), pp.81-86(SR), pp.63-68(SeMI)
ASN, NS, RCS, SR, RCC
(Joint)
2018-07-12
09:30
Hokkaido Hakodate Arena Construction of Time-Space Radio Environment Database using HMM for Cooperative Sensing
Yuya Aoki, Takeo Fujii (UEC) SR2018-30
In recent years, many researchers focus on a measurement-based Radio Environment Database (RED) that utilizes the actual... [more] SR2018-30
pp.57-64
ASN 2018-01-31
13:30
Oita Yufugo-kan (Oita) Saturated Throughput Analysis of IEEE 802.11p EDCA expressing Transmission Probability Strictly
Shintaro Ikuma, Hiroo Sekiya (Chiba Univ.) ASN2017-111
In IEEE 802.11p Enhanced Distributed Channel Access (EDCA), which is standardization for vehicle-to-vehicle and road-to-... [more] ASN2017-111
pp.157-162
SR 2017-01-19
13:50
Ehime Himegin Hall Study of Optimum Threshold Design According to SNR in Updating Processing of State Probabilities for Low Complexity and High Accuracy Measurement of Channel Occupancy Ratio and Channel Transition Ratio
Hayato Soya (Nagano Pref Inst), Osamu Takyu, Keiichiro Shirai (Shinshu Univ), Takeo Fujii (UEC), Mai Ohta (Fukuoka Univ), Humihito Sasamori, Shirou Handa (Shinshu Univ) SR2016-80
It's necessary to select the most suitable channel to get many access chances in the cognitive radio.When we chose the m... [more] SR2016-80
pp.11-16
RCS, CCS, SR, SRW
(Joint)
2016-03-03
11:15
Tokyo Tokyo Institute of Technology Low Complexity Measurement of Channel Occupancy Ratio and Channel Transition Ration with Selective Update of Likelihood Result
Hayato Soya (Nagano Pref Inst), Osamu Takyu, Keiichiro Shirai (Shinshu Univ), Takeo Fujii (UEC), Mai Ohta (Fukuoka Univ), Humihito Sasamori, Shirou Handa (Shinshu Univ) SR2015-101
We have proposed the method based on Markov model for Measurement of Channel Occupancy Ratio and Channel Transition Rati... [more] SR2015-101
pp.77-84
SR 2015-05-28
15:15
Hyogo Akashi-Sangyou-Koryu-Center Rario Environment Statistical Recognition Based on State Transition Model with Considering of Intersystem Interference in Spectrum Sharing Scenarios
Hirofumi Sasaki, Takayuki Yamada, Jun Mashino, Takatoshi Sugiyama (NTT) SR2015-6
In heterogeneous wireless networks with spectrum sharing, radio wave collisions often occur randomly by not only intra-s... [more] SR2015-6
pp.31-38
MW 2014-12-18
17:05
Tokyo Aoyama Gakuin Univ. Aoyama Campus One State Transition Model of Indoor Millimeter Wave Propagation Channel Considering Human Body Shadowing and Mobile Terminal
Pham Kinh Hung, Jun-ichi Takada (Tokyo Inst. of Tech.) MW2014-164
Recently, with the explosive spread of mobile communication, the demand for wireless access systems that have speed of g... [more] MW2014-164
pp.87-90
SR 2014-10-30
13:00
Overseas I2R, Singapore [Poster Presentation] Prediction of Next ON/OFF State of Primary System by N-order Markov Chain
Ryota Nakanishi, Mai Ohta, Makoto Taromaru (Fukuoka Univ.) SR2014-66
In this study, we propose a method that predicts the next ON/OFF state of a primary system (PS) by Nth-order Markov chai... [more] SR2014-66
pp.35-36
SP, IPSJ-MUS 2014-05-24
11:30
Tokyo   Underdetermined Blind Separation of Moving Sources Based on Probabilistic Modeling
Takuya Higuchi, Norihiro Takamune, Tomohiko Nakamura (Univ. of Tokyo), Hirokazu Kameoka (Univ. of Tokyo/NTT) SP2014-20
This paper deals with the problem of the underdetermined blind separation and tracking of moving sources. In practical s... [more] SP2014-20
pp.211-216
NLP 2012-01-23
13:50
Fukushima Aizu-keiko-do Hall Probabilistic Network Modeling of Delay-Locked Loops in CDMA Communication under Multipath Fading Channels
Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2011-126
This manuscript reports a procedure and results of probabilistic analysis of non-coherent delay-locked loop (NC-DLL) use... [more] NLP2011-126
pp.13-18
RCS, SAT
(Joint)
2011-08-25
09:00
Niigata Niigata Univ. [Requested Talk] LEO-to-ground optical link channel model and the performance improvement by LDGM code
Eiji Okamoto, Takuma Kyo (Nagoya Inst.Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2011-16 RCS2011-111
Satellite laser communication is expected as one of the next generation wireless systems because it enables to construct... [more] SAT2011-16 RCS2011-111
pp.1-6
SAT, RCS
(Joint)
2010-08-27
15:30
Kagoshima Kagoshima Univ. An eficient SDGM coding scheme for optical satellite-to-ground link based on a new channel model
Yoshitoshi Yamashita, Eiji Okamoto, Yasunori Iwanami (Nagoya Inst. of Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2010-42
In this paper, we propose a new channel model of optical satellite-to-ground link by analyzing the results of optical tr... [more] SAT2010-42
pp.75-80
NS, IN
(Joint)
2010-03-05
10:20
Miyazaki Miyazaki Phoenix Seagaia Resort (Miyazaki) Throughput Analysis of Burst Transmission in Multi-Hop Wireless LANs
Tomoya Tainaka, Hiroyuki Masuyama, Shoji Kasahara, Yutaka Takahashi (Kyoto Univ.) NS2009-199
The burst transmission scheme based on the transmission opportunity (TXOP) is defined in the IEEE802.11e standard, with ... [more] NS2009-199
pp.211-216
CS 2009-01-22
10:00
Okinawa Iriomote Island, Okinawa Consideration on Iterative Decoding of M-ary Modulation Signals over Hidden Markov Noise Channels
Daisuke Umehara, Satoshi Denno, Masahiro Morikura (Kyoto Univ.) CS2008-59
The indoor power line communication (PLC) suffers from impulsive noise generated by home appliances. The impulsive noise... [more] CS2008-59
pp.13-17
IT 2008-10-07
13:30
Tochigi Asaya Hotel(Kinugawa Onsen) [Special Talk] Capacity Problem of Finite States Channels
Kingo Kobayashi (Univ. Electro-Commun.) IT2008-39
Over thirty five years have elapsed since the algorithm to compute the capacity of discrete memoryless channel was estab... [more] IT2008-39
pp.1-6
NC, MBE
(Joint)
2008-03-12
13:30
Tokyo Tamagawa Univ Image Processing by using the EM algorithm and the belief propagation
Kei Inoue, Muneki Yasuda, Kazuyuki Tanaka (Tohoku Univ.) NC2007-118
Markov random fields in image processing includehyperparameters to estimate from given data. We introduce a method to es... [more] NC2007-118
pp.37-42
RCS, AN, MoNA, SR, WBS
(Joint)
2008-03-07
09:00
Kanagawa YRP Channel estimation method for MIMO antenna selection system exploiting temporal correlation of the channel
Yousuke Naruse, Jun-ichi Takada (Tokyo Institute of Technology) RCS2007-231
We propose an enhanced channel estimation method for MIMO antenna selection
systems which expolits the nature of tempor... [more]
RCS2007-231
pp.269-274
CS, IN, NS
(Joint)
2005-09-16
09:25
Miyagi Tohoku Univ. Energy Analysis of IEEE 802.11 DCF under Non-Saturation Conditions
Katsumi Sakakibara, Haruhiko Nakagawa, Jiro Yamakita (Okayama Prif. Univ.)
We develop an analytic model to evaluate non-saturation energy consumption of IEEE 802.11 DCF, based on Bianchi's model ... [more] CS2005-28
pp.67-72
 Results 1 - 19 of 19  /   
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