Yutaka MURAKAMI


LDPC Convolutional Codes Based on Parity Check Polynomials with a Time Period of 3
Yutaka MURAKAMI Shutai OKAMURA Shozo OKASAKA Takaaki KISHIGAMI Masayuki ORIHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2479-2483
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Coding Theory
Keyword: 
LDPC convolutional codestime-varyingtime period of 3
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BER Performance Evaluation in 22 MIMO Spatial Multiplexing Systems under Rician Fading Channels
Yutaka MURAKAMI Takashi MATSUOKA Masayuki ORIHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10  pp. 2798-2807
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Theory
Keyword: 
MIMO spatial multiplexing systemsBER performanceRician fading
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Performance Evaluation of Transmission Technique Utilizing Linear Combination Diversity in MIMO Spatial Multiplexing Systems
Yutaka MURAKAMI Takashi MATSUOKA Kazuaki TAKAHASHI Masayuki ORIHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1511-1520
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMO systemLC-diversityNLOS/LOS environmentsBER performancediversity gain
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Likelihood Detection Utilizing Ordering and Decision of Partial Bits in MIMO Systems
Yutaka MURAKAMI Kiyotaka KOBAYASHI Takashi FUKAGAWA Masayuki ORIHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/04/01
Vol. E89-B  No. 4  pp. 1354-1363
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOZFMMSEMLDorderingdecision of partial bits
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Design of Transmission Technique Utilizing Linear Combination Diversity in Consideration of LOS Environments in MIMO Systems
Yutaka MURAKAMI Kiyotaka KOBAYASHI Takashi MATSUOKA Kazuaki TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11  pp. 3127-3133
Type of Manuscript:  Special Section LETTER (Special Section on Wide Band Systems)
Category: 
Keyword: 
MIMOLC-diversityLOS environments
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Performance Analysis Based on Channel Matrix Eigenvalue for MIMO Systems in LOS Environments
Yutaka MURAKAMI Kiyotaka KOBAYASHI Masayuki ORIHASHI Takashi MATSUOKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/10/01
Vol. E88-A  No. 10  pp. 2926-2936
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: MIMO System
Keyword: 
MIMOBER performanceLOSphase relation of direct pathschannel matrix eigenvalue
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