Keyword : spreading sequence

Weyl Spreading Sequence Optimizing CDMA
Hirofumi TSUDA Ken UMENO 
Publication:   
Publication Date: 2018/03/01
Vol. E101-B  No. 3 ; pp. 897-908
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
asynchronous CDMA, nonlinear programming, spreading sequence, signal to interference plus noise ratio, bit error rate, 
 Summary | Full Text:PDF
Even-Shift Orthogonal Arrays
Shinya MATSUFUJI Takahiro MATSUMOTO Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11 ; pp. 1937-1940
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
sequence design, spreading sequence, complementary sequences, correlation, 
 Summary | Full Text:PDF
A Generalized Construction Scheme of a Zero-Correlation Zone Sequence Set with a Wide Inter-Subset Zero-Correlation Zone
Takafumi HAYASHI Takao MAEDA Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11 ; pp. 1931-1936
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and Its Applications in Communications)
Category: Sequences
Keyword: 
sequence design, spreading sequence, CDMA communication, ZCZ, synthetic aperture focusing, inter-subset ZCZ, 
 Summary | Full Text:PDF
A Generalized Construction of Optimal Zero-Correlation Zone Sequence Set from a Perfect Sequence Pair
Takafumi HAYASHI Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11 ; pp. 2337-2344
Type of Manuscript:  Special Section LETTER (Special Section on Signal Design and its Application in Communications)
Category: Sequences
Keyword: 
sequence design, spreading sequence, CDMA communication, ZCZ, synthetic aperture focusing, 
 Summary | Full Text:PDF
Performance Evaluation of Band-Limited Baseband Synchronous CDMA Using Orthogonal ICA Sequences
Ryo TAKAHASHI Ken UMENO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/03/01
Vol. E93-A  No. 3 ; pp. 577-582
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
independent component analysis (ICA), chaos, code division multiple access (CDMA), spreading sequence, band-limited signals, 
 Summary | Full Text:PDF
Performance Analysis of Complex CDMA Using Complex Chaotic Spreading Sequence with Constant Power
Ryo TAKAHASHI Ken UMENO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12 ; pp. 3394-3397
Type of Manuscript:  LETTER
Category: Nonlinear Problems
Keyword: 
chaos, complex code division multiple access, spreading sequence, 
 Summary | Full Text:PDF
Zero-Correlation Zone Sequence Set Constructed from a Perfect Sequence and a Complementary Sequence Pair
Takafumi HAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Vol. E91-A  No. 7 ; pp. 1676-1681
Type of Manuscript:  Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
sequence design, spreading sequence, CDMA communication, zero-correlation zone, perfect sequence, Golay complementary sequence pair, 
 Summary | Full Text:PDF
A Novel Class of Zero-Correlation Zone Sequence Sets Constructed from a Perfect Sequence
Takafumi HAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/04/01
Vol. E91-A  No. 4 ; pp. 1233-1237
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
sequence design, spreading sequence, CDMA communication, zero-correlation zone, perfect sequence, synthetic aperture imaging, 
 Summary | Full Text:PDF
Asynchronous, Decentralized DS-CDMA Using Feedback-Controlled Spreading Sequences for Time-Dispersive Channels
Teruhiko MIYATAKE Kazuki CHIBA Masanori HAMAMURA Shin'ichi TACHIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1 ; pp. 53-61
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: Spectrum Sharing
Keyword: 
spectrum sharing, spread spectrum, spreading sequence, direct sequence, multipath, COF, RAKE, 
 Summary | Full Text:PDF
Zero-Correlation Zone Sequence Set Constructed from a Perfect Sequence
Takafumi HAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/05/01
Vol. E90-A  No. 5 ; pp. 1107-1111
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
sequence design, spreading sequence, CDMA communication, zero-correlation zone, perfect sequence, 
 Summary | Full Text:PDF
On Optimal Construction of Two Classes of ZCZ Codes
Takafumi HAYASHI Shinya MATSUFUJI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/09/01
Vol. E89-A  No. 9 ; pp. 2345-2350
Type of Manuscript:  Special Section LETTER (Special Section on Sequence Design and its Application in Communications)
Category: 
Keyword: 
sequence design, spreading sequence, CDMA communication, zero correlation zone, 
 Summary | Full Text:PDF
Inter-Code Interference and Optimum Spreading Sequence in Frequency-Selective Rayleigh Fading Channels on Uplink MC-CDMA
Takashi SHONO Tomoyuki YAMADA Kiyoshi KOBAYASHI Katsuhiko ARAKI Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8 ; pp. 1981-1993
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Signal Processing for Communications
Keyword: 
MC-CDMA, OFDM, inter-code interference, desired-to-undesired signal power ratio, spreading sequence, 
 Summary | Full Text:PDF
Autocorrelation Properties of Unified Complex Hadamard Transform Sequences
Wee SER Susanto RAHARDJA Zinan LIN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/10/01
Vol. E85-A  No. 10 ; pp. 2280-2282
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Spread Spectrum Technologies and Applications
Keyword: 
spreading sequence, unified complex Hadamard transform, periodic autocorrelation, SSMA, 
 Summary | Full Text:PDF
New Maximal-Period Sequences Using Extended Nonlinear Feedback Shift Registers Based on Chaotic Maps
Akio TSUNEDA Yasunori KUGA Takahiro INOUE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/06/01
Vol. E85-A  No. 6 ; pp. 1327-1332
Type of Manuscript:  Special Section LETTER (Special Section on Papers Selected from 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2001))
Category: 
Keyword: 
maximal-period sequence, NFSR, chaotic map, spreading sequence, 
 Summary | Full Text:PDF