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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 23  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
WBS
(2nd)
2019-12-17
- 2019-12-18
Aichi Hotel Kinsenkaku Study on Spreading Codes with Negative Auto-Correlation for SIK Optical CDMA Communications
Akio Tsuneda (Kumamoto Univ.)
The SIK (sequence inversion keyed) CDMA (code division multiple access) system was proposed as one of optical CDMA commu... [more]
NLP 2018-04-26
14:10
Kumamoto Kumaoto Univ. A Study on Security Enhancement of 64-Bit Block Cipher Systems with Ring Structure
Toshihiro Ichiki, Akio Tsuneda (Kumamoto Univ.) NLP2018-7
In a modern society, safety is required when exchanging information. In order to secure its safety, we are taking measur... [more] NLP2018-7
pp.31-34
NLP 2018-04-26
14:35
Kumamoto Kumaoto Univ. A Study on Error-Correcting Using Output Level of Correlation Receivers and Hamming Codes in CDMA Communications
Yusuke Tsuruda, Tsuneda Akio (Kumamoto Univ.) NLP2018-8
 [more] NLP2018-8
pp.35-38
NLP 2018-04-26
15:00
Kumamoto Kumaoto Univ. Study on Aperiodic Auto-Correlation Properties of Concatenated Codes by Barker Sequences and NFSR Sequences
Shota Matsuyuki, Akio Tsuneda (Kumamoto Univ.) NLP2018-9
In positioning systems, it is important to capture the signal transmitted from a beacon for getting the exact arrival ti... [more] NLP2018-9
pp.39-42
SIP, CAS, MSS, VLD 2013-07-12
14:10
Kumamoto Kumamoto Univ. On Auto-Correlation Properties of Random Binary Sequences with Post-Processing Based on Chaos Theory
Kota Morikawa, Akio Tsuneda (Kumamoto Univ.) CAS2013-29 VLD2013-39 SIP2013-59 MSS2013-29
In Monte Carlo simulations, not only uncorrelated random sequences but also correlated ones are useful for simulating va... [more] CAS2013-29 VLD2013-39 SIP2013-59 MSS2013-29
pp.159-163
SIP, CAS, MSS, VLD 2013-07-12
16:20
Kumamoto Kumamoto Univ. A Study on SIK Optical CDMA Communications Using Orthogonal Binary Sequence
Shinsuke Murakami, Akio Tsuneda (Kumamoto Univ.) CAS2013-35 VLD2013-45 SIP2013-65 MSS2013-35
The SIK (sequence inversion keyed) CDMA system has been proposed as one of optical CDMA (code division multiple access) ... [more] CAS2013-35 VLD2013-45 SIP2013-65 MSS2013-35
pp.195-199
CAS 2013-01-28
09:25
Oita Beppu International Convention Center Performance Evaluation of Spreading Codes with Negative Auto-Correlation Based on M-sequences and Chaos Theory
Shohei Tokunaga, Akio Tsuneda (Kumamoto Univ.) CAS2012-66
Spreading codes with appropriate negative auto-correlation can reduce average multiple access interference (MAI) in asyn... [more] CAS2012-66
pp.5-10
CAS 2013-01-29
14:55
Oita Beppu International Convention Center Performance Evaluation of Spreading Codes with Negative Auto-Correlation Based on Gold Sequences and Chaos Theory -- BER in Asynchronous DS/CDMA Communications under AWGN Environment --
Satoshi Abe, Akio Tsuneda (Kumamoto Univ.) CAS2012-87
In asynchronous DS/CDMA communications, spreading codes with appropriate negative auto-correlation can reduce bit error ... [more] CAS2012-87
pp.121-124
CAS 2013-01-29
15:15
Oita Beppu International Convention Center BER Evaluation of Asynchronous SIK Optical CDMA Communications Using Spreading Codes with Negative Auto-Correlation
Seiji Araki, Akio Tsuneda (Kumamoto Univ.) CAS2012-88
The SIK (sequence inversion keyed) CDMA system has been proposed as one of optical CDMA (code division multiple access) ... [more] CAS2012-88
pp.125-128
CAS 2013-01-29
15:35
Oita Beppu International Convention Center Performance Evaluation of Indoor Positioning Systems Based on On-Off Keying CDMA and TDOA
Yuki Kawano, Akio Tsuneda (Kumamoto Univ) CAS2012-89
Indoor positioning systems for mobile objects can assist the movement of autonomous mobile robots and electric wheelchai... [more] CAS2012-89
pp.129-132
CAS 2012-01-19
13:55
Fukuoka Kyushu Univ. On Improvement of Key-Sensitivity of NFSR Block Cipher Systems
Kotaro Fukuda, Akio Tsuneda (Kumamoto Univ.) CAS2011-93
We proposed a block cipher system based on the discretized Bernoulli map that can be implemented by nonlinear feedback s... [more] CAS2011-93
pp.49-52
CAS 2012-01-19
14:45
Fukuoka Kyushu Univ. Evaluation of Spreading Codes with Negative Auto-Correlation Based on M-Sequences and Chaos Theory
Shohei Tokunaga, Akio Tsuneda (Kumamoto Univ.) CAS2011-95
Spreading sequences with appropriate negative auto-correlation can reduce average multiple access interference (MAI) in ... [more] CAS2011-95
pp.59-62
CAS 2011-01-25
16:05
Kumamoto Kumamoto University Design of Circuits for Generating Binary Sequences with Negative Correlation Based on Feedback-Limited NFSRs and Their Application to CDMA Communications
Yoshiro Kawabe, Akio Tsuneda (Kumamoto Univ.) CAS2010-92
Nonlinear feedback shift registers (NFSRs) can produce a lot of
maximal-period sequences called {\it Bruijn sequences}.... [more]
CAS2010-92
pp.45-49
CAS 2011-01-26
09:25
Kumamoto Kumamoto University Aperiodic Correlation Properties of Pseudorandom Binary Sequences as Unipolar Codes -- Comparison of NFSR Orthogonal Sequences and Gold Sequences --
Shintaro Matsuo, Akio Tsuneda (Kumamoto Univ.) CAS2010-96
In asynchronous DS/CDMA communications and positioning systems based on spread-spectrum codes, aperiodic correlation fun... [more] CAS2010-96
pp.67-70
SIP, CAS, VLD 2009-07-01
15:10
Hokkaido Kushiko-shi Shogai Gakushu Center Design of maximum length sequences obtained by nonlinear feedback shift registers with linear recurrence equation
Daisaburo Yoshioka (Sojo Univ.), Akio Tsuneda (Kumamoto Univ.) CAS2009-6 VLD2009-11 SIP2009-23
In this correspondence, a method of obtaining maximum length period sequences obtained from nonlinear feedback shift reg... [more] CAS2009-6 VLD2009-11 SIP2009-23
pp.31-34
CAS, NLP 2009-01-23
10:00
Miyazaki   BER Performance of Spreading Sequences with Negative Auto-correlations Based on Chaos Theory and LFSR Sequences
Akio Tsuneda, Yasunori Miyazaki (Kumamoto Univ.) CAS2008-87 NLP2008-117
In asynchronous DS/CDMA systems, spreading sequences with appropriate
negative auto-correlation properties can outperfo... [more]
CAS2008-87 NLP2008-117
pp.131-136
IT 2007-11-27
15:30
Mie Kashikojima Hojoen (Shima) [Invited Talk] Maximal-Period Sequences by Linear/Nonlinear Feedback Shift Registers
Akio Tsuneda (Kumamoto Univ.), Daisaburo Yoshioka (Sojo Univ.) IT2007-22
Maximal-period sequences generated by linear feedback shift registers
are called M-sequences, which are well-known pse... [more]
IT2007-22
pp.17-20
NLP 2007-11-22
16:00
Fukuoka   Design and Evaluation of Spreading Sequences with Negative Auto-correlations Based on Chaos Theory and LFSR Sequences
Yasunori Miyazaki, Akio Tsuneda, Takahiro Inoue (Kumamoto Univ.) NLP2007-104
In DS/CDMA systems, spreading sequences play an important role since they dominate the system performance such as bit er... [more] NLP2007-104
pp.51-55
NLP 2007-11-22
16:25
Fukuoka   A Study on Maximal-Period Sequences Generated by Feedback-Switching NFSR
Raphael Eboku, Akio Tsuneda, Takahiro Inoue (Kumamoto Univ.) NLP2007-105
We propose a method to generate sequences using feedback-limited
nonlinear feedback shift registers (NFSRs) with switc... [more]
NLP2007-105
pp.57-60
NLP 2006-12-13
16:30
Hokkaido   On design of maximal-period sequences obtained from discretized chaos maps
Daisaburo Yoshioka (Sojo Univ.), Akio Tsuneda (Kumamoto Univ.)
 [more] NLP2006-99
pp.53-56
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