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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
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| 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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| NLP | 2008-12-10 15:30 |
Ishikawa | On a Partial Difference Equation Describing a Cellular-Array-Type Parallel Markovian Sequence Generator Kazuhiro Kusaka, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2008-89 |
In a cellular array generating binary pseudo-random Markovian sequences, there exist pseudo-randomly walking particles w... [more] | NLP2008-89 pp.101-105 |
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| CS | 2008-11-07 10:50 |
Hokkaido | Hotel Tsturuga, Akan, Hokkaido | Performance Enhancement of MQRD-PCM/MIMO-OFDM using Channel Ranking based Joint Symbols Detection Chang-Jun Ahn (Hiroshima City Univ.) CS2008-37 |
[more] | CS2008-37 pp.71-76 |
| NLP | 2008-08-01 10:25 |
Kochi | A Statistical Analysis of Delay-Locked Loops in Asynchronous CDMA Communication Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2008-34 |
This manuscript reports a procedure and results of probabilistic analysis of delay-locked loops used in asynchronous DS/... [more] | NLP2008-34 pp.7-12 |
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| NLP | 2008-03-28 11:40 |
Hyogo | A Note on Expansion and Contraction of Categories in Fuzzy ARTMAP Takeshi Kamio (Hiroshima City Univ.), Kunihiko Mitsubori (Takushoku Univ.), Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2007-171 |
Fuzzy ARTMAP (FAM) is a supervised learning system. FAM segments the input space with categories which are defined by hy... [more] | NLP2007-171 pp.25-30 |
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| NLP | 2008-03-28 15:45 |
Hyogo | A Stochastic Method for the Analysis of Delay-Locked Loops in Quasi-Synchronous CDMA Communication Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2007-178 |
This manuscript reports a procedure and results of probabilistic analysis of delay-locked loops used in quasi-synchrono... [more] |
NLP2007-178 pp.67-72 |
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| NLP | 2008-03-28 16:10 |
Hyogo | Time-Domain Analysis of Second-Order Sigma-Delta Modulators with Small Quantizer Overload Keita Hayashi, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2007-179 |
[more] | NLP2007-179 pp.73-78 |
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| CS | 2008-01-28 10:35 |
Kagoshima | Amami-Oshima Island | An Improvement Factor of Clutter Suppression with Statistical Power Correction for High Resolution UWB Radars Satoshi Takahashi, Chang-Jun Ahn (Hiroshima City Univ.) CS2007-57 |
[more] | CS2007-57 pp.13-17 |
| RCS, SIP | 2008-01-25 10:55 |
Hiroshima | Hiroshima City Uni. | Considerations of Optimum Electrode Structure for an LN Optical Modulator in the Microwave Band Kyohei Ike, Kazuhisa Haeiwa, Takeshi Kamio, Hisato Fujisaka, Chang-Jun Ahn (Hiroshima City Univ.), Yoshikazu Toba (SEIKOH GIKEN) SIP2007-166 RCS2007-169 |
[more] | SIP2007-166 RCS2007-169 pp.49-54 |
| WBS | 2007-10-15 13:30 |
Hiroshima | Time-Frequency Interferometry for OFDM Chang-Jun Ahn, Satoshi Takahashi, Kazuhisa Haeiwa (Hiroshima City Univ.) WBS2007-32 |
[more] | WBS2007-32 pp.1-4 |
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| WBS | 2007-10-15 13:55 |
Hiroshima | Power Consumption for Coherent Optical Orthogonal Frequency Division Multiplexing with Punctured LDPC Codes and Variable Amplitude Block Codes Chang-Jun Ahn, Satoshi Takahashi, Takeshi Kamio, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.) WBS2007-33 |
[more] | WBS2007-33 pp.5-9 |
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| WBS | 2007-10-15 15:45 |
Hiroshima | A Statistical Clutter Suppression Method Based on Given Target-Existence Probabilities for High Resolution UWB Radars Satoshi Takahashi, Chang-Jun Ahn (Hiroshima City Univ.) WBS2007-37 |
High-resolution radars (HRR) using ultra wideband (UWB) signals is a promising system for various detection and ranging ... [more] | WBS2007-37 pp.27-31 |
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| RCS, SIP | 2007-01-26 13:40 |
Okinawa | NICT Okinawa | High Time Resolution Carrier Interferometry for SDM/OFDM Chang-Jun Ahn (ATR), Satoshi Takahashi (Hiroshima City Univ.), Makoto Taromaru (ATR) SIP2006-169 RCS2006-227 |
[more] | SIP2006-169 RCS2006-227 pp.63-68 |
| RCS, SIP | 2007-01-26 15:15 |
Okinawa | NICT Okinawa | Transmit Sector Selection with Considering the Link Correlation for SDM/OFDM Systems Chang-Jun Ahn (ATR), Satoshi Takahashi (Hiroshima City Univ.), Makoto Taromaru (ATR) SIP2006-173 RCS2006-231 |
[more] | SIP2006-173 RCS2006-231 pp.87-90 |
| NS, RCS (Joint) |
2005-07-21 11:35 |
Okayama | Okayama Univ.(Tsushima Campus) | Multiple Transposed Channel Matrix QR decompositions based Sphere Detection Algorithm for MLD-SDM/OFDM Chang-Jun Ahn, Hiroshi Harada (NICT) |
SDM/OFDM systems transmit different data using the same frequency, so it is necessary to separate simultaneously receive... [more] | RCS2005-47 pp.43-47 |
| AP, SAT (Joint) |
2005-05-20 15:40 |
Tottori | Tottori Univ. of Environmental Studies | Dependence of antenna tilt on delay spread in microwave mobile communications Satoshi Takahashi, Hiroshi Harada, Chang-Jun Ahn (NICT) |
For mobile communications, the antenna tilt technique have been used to enlarge frequency resource usage. However these ... [more] | AP2005-28 pp.109-112 |
| RCS, CS | 2005-01-27 09:40 |
Okinawa | University of the Ryukyus | OFDM Packet Transmission System with a sequentially updated channel estimation algorithm
-- concept and fundamental transmission characteristics -- Hiroshi Harada (NICT), Ryuhei Funada (Univ.), Chang-Jun Ahn, Satoshi Takahashi (NICT), Manabu Sawada (Denso Corp.) |
In order to realize a broadband wireless communication under high-mobility environment by using transceiver modules used... [more] | CS2004-154 RCS2004-261 pp.13-18 |
| RCS, CS | 2005-01-28 10:40 |
Okinawa | University of the Ryukyus | Stochastic Prediction of Transmission Errors in MIMO Eigenbeam Space Division Multiplexing Satoshi Takahashi, Chang-Jun Ahn, Hiroshi Harada, Yukiyoshi Kamio (NICT) |
Multiple-input multiple-output (MIMO) eigenbeam space division multiplexing is a promising configuration to improve the ... [more] | CS2004-187 RCS2004-294 pp.25-30 |
| RCS, CS | 2005-01-28 13:00 |
Okinawa | University of the Ryukyus | Adaptive Sub-carrier Block Modulation with Differentially Modulated Pilot Symbol Assistance for Down-link OFDM Using Up-link Delay Spread Chang-Jun Ahn, Satoshi Takahashi, Hiroshi Harada (NICT) |
In an AMS/OFDM system, base station is in control of the modulation level of each sub-carrier, and then, adaptive modula... [more] | CS2004-191 RCS2004-298 pp.49-54 |
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