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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 41 - 60 of 79 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CAS, CS, SIP 2012-03-08
10:05
Niigata The University of Niigata ISI and ICI Compensation with Large Delay Spread Channel Estimation based on Pilot Symbol's Cyclic Property for SP-OFDM
Taichi Sakaue, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ) CAS2011-122 SIP2011-142 CS2011-114
Scattered pilot based OFDM can accuretely estimate the channel state information (CSI) with small number pilot signals u... [more] CAS2011-122 SIP2011-142 CS2011-114
pp.87-91
CAS, CS, SIP 2012-03-08
10:30
Niigata The University of Niigata Complexity Reducing QRD-MLD with Threshold Method based on the Estimated Noise Variance
Tomoki Yoshimura (Chiba Univ.), Yuta Ida (Hiroshima City Univ.), Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) CAS2011-123 SIP2011-143 CS2011-115
 [more] CAS2011-123 SIP2011-143 CS2011-115
pp.93-96
CAS, CS, SIP 2012-03-09
09:25
Niigata The University of Niigata Optimum Splitting Transmission in Multi-Relay Cooperative Communications for WF/PA-SC-FDMA
Yuta Ida (Hiroshima City Univ.), Chang-Jun Ahn (Chiba Univ.), Takeshi Kamio, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.), Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) CAS2011-135 SIP2011-155 CS2011-127
 [more] CAS2011-135 SIP2011-155 CS2011-127
pp.157-160
CAS, CS, SIP 2012-03-09
09:50
Niigata The University of Niigata Development of RF Energy Harvesting and Charging Circuits for Low Power Mobile Devices
Chang-Jun Ahn (Chiba Univ.) CAS2011-136 SIP2011-156 CS2011-128
 [more] CAS2011-136 SIP2011-156 CS2011-128
pp.161-164
US 2011-09-26
16:15
Miyagi Tohoku Univ. Modification of Scalar Potential Theory for Surface Acoustic Wave Devices to Take Slowness Asymmetry into Account
Ken-ya Hashimoto, Tatsuya Omori, Chang-Jun Ahn (Chiba Univ.) US2011-51
 [more] US2011-51
pp.27-30
SR 2011-07-29
09:25
Kanagawa YRP Study on RF Recursive Filter and Its Tuning Method
Shin'ichiro Nishiuma, Tatsuya Omori, Chang-Jun Ahn, Ken-ya Hashimoto (Chiba Univ.), Mikio Kamada (AKM) SR2011-37
This paper discuss the control method of the tunable RF recursive filter.
We modelize the band pass filter(BPF)
with... [more]
SR2011-37
pp.129-133
CS, SIP, CAS 2011-03-03
10:20
Okinawa Ohhamanobumoto memorial hall (Ishigaki)( Path-Selection based adaptive guard interval for TFI-OFDM system
Tomoki Yoshimura, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ) CAS2010-106 SIP2010-122 CS2010-76
 [more] CAS2010-106 SIP2010-122 CS2010-76
pp.25-30
CS, SIP, CAS 2011-03-03
14:50
Okinawa Ohhamanobumoto memorial hall (Ishigaki)( Non-linear channel compensation method for OFDM under fast fading channel
Shogo Soejima, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ) CAS2010-116 SIP2010-132 CS2010-86
 [more] CAS2010-116 SIP2010-132 CS2010-86
pp.85-89
CS, SIP, CAS 2011-03-03
15:20
Okinawa Ohhamanobumoto memorial hall (Ishigaki)( Prototype of 5.8GHz Wireless Power Transmission System for Electric Vehicle System
Chang-Jun Ahn (Chiba Univ.) CAS2010-138 SIP2010-154 CS2010-108
 [more] CAS2010-138 SIP2010-154 CS2010-108
pp.215-218
CS, SIP, CAS 2011-03-03
15:40
Okinawa Ohhamanobumoto memorial hall (Ishigaki)( Maritime VHF communications with polarization diversity over a Rician channel
Chang-Jun Ahn (Chiba Univ.) CAS2010-139 SIP2010-155 CS2010-109
 [more] CAS2010-139 SIP2010-155 CS2010-109
pp.219-222
NLP 2010-03-09
10:20
Tokyo   Finding Course of Ships by Multi-Agent Reinforcement Learning with A Priori Knowledge
Takeshi Kamio (Hiroshima City Univ.), Kunihiko Mitsubori (Takusyoku Univ.), Takahiro Tanaka (Japan Coast Gurad Academy), Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2009-161
 [more] NLP2009-161
pp.21-26
SIP, CAS, CS 2010-03-02
11:10
Okinawa Hotel Breeze Bay Marina, Miyakojima Performance Evaluation of Coherent Optical OFDM with Punctured LDPC Codes for Various Laser Line-width and Modulation Levels
Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.) CAS2009-114 SIP2009-159 CS2009-109
Recently, coherent optical OFDM (CO-OFDM) has been proposed in optical network to combat chromatic dispersion. CO-OFDM s... [more] CAS2009-114 SIP2009-159 CS2009-109
pp.209-214
NLP 2010-01-22
10:30
Gifu   Sorter-based Sigma-Delta Domain Exponential and Logarithm Circuits
Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2009-150
We will show first in this report an exponential circuit operating in sigma-delta domain. The circuit is based on a sort... [more] NLP2009-150
pp.59-64
CS 2009-11-05
09:50
Hokkaido Hokkaido Shikotsuko Reinforced Multiuser Diversity Using Frequency Symbol Spreading and Adaptive Subcarrier Block Selection for OFDMA
Chang-Jun Ahn (Hiroshima City Univ.) CS2009-44
 [more] CS2009-44
pp.13-18
CAS, NLP 2009-09-25
13:50
Hiroshima Hiroshima Univ. Higashi Senda Campus A Single-Electron Bandpass Digital Wave Filter
Takashi Yasuno, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) CAS2009-44 NLP2009-80
This paper presents a sigma-delta domain bandpass digital filter built by using single-electron tunneling (SET) devices.... [more] CAS2009-44 NLP2009-80
pp.115-119
NLP 2009-08-03
10:20
Kochi   Ising Spin-Grass Error Correction for Unreliable Nanoelectronic Logic Circuits
Yasuhiro Okada, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2009-45
This paper presents a fault and defect tolerance technique based on Ising spin-glass (ISG) for nanoelectronic logic circ... [more] NLP2009-45
pp.7-12
NLP 2009-03-11
14:25
Kyoto   ARTMAP with Anti-Supervised Learning
Genki Kawahara, Shohei Sugeo, Takeshi Kamio, Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ) NLP2008-166
 [more] NLP2008-166
pp.87-92
NLP 2009-03-11
14:50
Kyoto   Reinforcement Learning to Find the Course of Multi-Ships
Shohei Sugeo, Takeshi Kamio (Hiroshima City Univ.), Kunihiko Mitsubori (Takushoku Univ.), Takahiro Tanaka (Japan Coast Guard Academy), Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2008-167
 [more] NLP2008-167
pp.93-98
NLP 2009-03-11
15:55
Kyoto   A Steady-State Analysis of 2-Delta Delay-Locked Loop by Discrete-Time Piecewise Linear Modeling
Yuji Ohba, Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2008-169
This paper discribes an analysis of a 2-$\delta$ delay locked loop that is used for the synchronization of a local Mark... [more] NLP2008-169
pp.105-109
NLP 2008-12-10
13:40
Ishikawa   Stochastic Resonance in Delay-Locked Loop Driven by Multiple Access Interfarences -- A Result of Numerical Simulation --
Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2008-85
 [more] NLP2008-85
pp.81-86
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