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IEICE Trans

Keyword : complexity reduction

Methods for Complexity Reduction of Downlink SCMA Detection Using Joint IQ Factor Graph
Leo TOMURA Takahiko SABA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/04/01
Vol. E109-B  No. 4 ; pp. 524-533
Type of Manuscript:  Special Section PAPER (Special Section on Wired and Wireless Network System Technologies in Beyond 5G/6G Era)
Category: 
Keyword: 
sparse code multiple access, complexity reduction, message passing algorithm, 
 Summary | Full Text:PDF
Methods for Complexity Reduction of Downlink SCMA Detection Using Joint IQ Factor Graph
Leo TOMURA Takahiko SABA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/04/01
Vol. E109-B  No. 4 ; pp. 524-533
Type of Manuscript:  Special Section PAPER (Special Section on Wired and Wireless Network System Technologies in Beyond 5G/6G Era)
Category: 
Keyword: 
sparse code multiple access, complexity reduction, message passing algorithm, 
 Summary | Full Text:PDF
Complexity Reduced Colored Noise Cancellation in Overloaded MIMO Spatial Multiplexing with Non-Linear Precoding
Satoshi DENNO Takumi SUGIMOTO Yafei HOU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/03/01
Vol. E109-B  No. 3 ; pp. 457-465
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
overloaded MIMO, spatial multiplexing, colored noise, LLR, complexity reduction, 
 Summary | Full Text:PDF
Low Complexity Overloaded MIMO Non-Linear Detector with Iterative LLR Estimation
Satoshi DENNO Shuhei MAKABE Yafei HOU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2024/03/01
Vol. E107-B  No. 3 ; pp. 339-348
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
overloaded MIMO, non-linear detector, soft-input decoding, noise cancellation, ordering, complexity reduction, 
 Summary | Full Text:PDF
2-D DOA Estimation Based on Sparse Bayesian Learning for L-Shaped Nested Array
Lu CHEN Daping BI Jifei PAN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2019/05/01
Vol. E102-B  No. 5 ; pp. 992-999
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
two-dimensional direction finding, nested array, sparse Bayesian learning, matrix decomposition, complexity reduction, 
 Summary | Full Text:PDF
Computational Complexity Reduction with Mel-Frequency Filterbank-Based Approach for Multichannel Speech Enhancement
Jungpyo HONG Sangbae JEONG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/10/01
Vol. E100-A  No. 10 ; pp. 2154-2157
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
complexity reduction, mel-filterbank, PMWF, 
 Summary | Full Text:PDF
Simplified Maximum Likelihood Detection with Unitary Precoding for XOR Physical Layer Network Coding
Satoshi DENNO Daisuke UMEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2017/01/01
Vol. E100-B  No. 1 ; pp. 167-176
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
physical layer network coding, detection and forward relay, forward error correction, maximum likelihood detection, complexity reduction, 
 Summary | Full Text:PDF
Texture Direction Based Optimization for Intra Prediction in HEVC
Zhengcong WANG Peng WANG Hongguang ZHANG Hongjun ZHANG Shibao ZHENG Li SONG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/05/01
Vol. E97-D  No. 5 ; pp. 1390-1393
Type of Manuscript:  LETTER
Category: Image Processing and Video Processing
Keyword: 
HEVC, intra prediction, texture direction, complexity reduction, quad-tree structure, 
 Summary | Full Text:PDF
A Low Complexity 1D-Based Successive GSC Structure for 2D Adaptive Beamformer Implementation
Yung-Yi WANG 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/11/01
Vol. E94-A  No. 11 ; pp. 2448-2452
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
array signal processing, beamformers, generalized sidelobe cancellers, complexity reduction, 
 Summary | Full Text:PDF
Tree Based Approximate Optimal Signal Detectors for MIMO Spatial Multiplexing Systems
Wenjie JIANG Yusuke ASAI Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/02/01
Vol. E92-B  No. 2 ; pp. 544-558
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
complexity reduction, maximum likelihood detection, MIMO system, spatial multiplexing, 
 Summary | Full Text:PDF
Efficient Hybrid DFE Algorithms in Spatial Multiplexing Systems
Wenjie JIANG Yusuke ASAI Satoru AIKAWA Yasutaka OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2 ; pp. 535-546
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
complexity reduction, MIMO, spatial multiplexing, signal detection, 
 Summary | Full Text:PDF
Throughput Performance Improvement Using Complexity-Reduced User Scheduling Algorithm in Uplink Multi-User MIMO/SDM Systems
Manabu MIKAMI Teruya FUJII 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6 ; pp. 1724-1733
Type of Manuscript:  Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation)
Category: Smart Antennas & MIMO
Keyword: 
uplink multi-user MIMO system, active MS antenna selection, complexity reduction, Gram-Schmidt orthogonalization, 
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A New Ordered Decision Feedback Equalization Algorithm for Spatial Multiplexing Systems in MIMO Channel
Wenjie JIANG Yusuke ASAI Takeshi ONIZAWA Satoru AIKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/11/01
Vol. E90-A  No. 11 ; pp. 2546-2555
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
BLAST, complexity reduction, ordering, sequential detector, 
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Very Fast Recursion Based Algorithm for BLAST Signal Detection in Spatial Multiplexing Systems
Wenjie JIANG Yusuke ASAI Satoru AIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/07/01
Vol. E90-B  No. 7 ; pp. 1773-1779
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
complexity reduction, signal detection, spatial multiplexing, V-BLAST, 
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Reduced-Complexity Iterative Decoding of Serially Concatenated CPM
Heon HUH James V. KROGMEIER 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/01/01
Vol. E90-B  No. 1 ; pp. 148-151
Type of Manuscript:  LETTER
Category: Fundamental Theories for Communications
Keyword: 
continuous phase modulation, Laurent decomposition, complexity reduction, symbol-by-symbol detection, iterative decoding, 
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DS-CDMA Non-linear Interference Canceller with Multiple-Beam Reception
Kazuto YANO Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10 ; pp. 2609-2621
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Spread Spectrum
Keyword: 
multirate DS-CDMA, multistage MAI canceller, multiple-beam reception, complexity reduction, interference suppression, 
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A Complexity-Reduced Time Alignment Control in Uplink Dynamic Parameter Controlled OF/TDMA
Ryota KIMURA Ryuhei FUNADA Hiroshi HARADA Shigeru SHIMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/08/01
Vol. E89-B  No. 8 ; pp. 2196-2207
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
orthogonal frequency division multiple access (OFDMA), dynamic parameter controlled orthogonal frequency and time division multiple access (DPC-OF/TDMA), propagation delay, time alignment control, timing synchronization, complexity reduction, 
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A Simplified Maximum Likelihood Detector for OFDM-SDM Systems in Wireless LAN
Wenjie JIANG Takeshi ONIZAWA Atsushi OHTA Satoru AIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/06/01
Vol. E88-B  No. 6 ; pp. 2427-2437
Type of Manuscript:  Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation)
Category: 
Keyword: 
OFDM-SDM, MLD, ZF, complexity reduction, WLAN, 
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Prefiltering for LMS Based Adaptive Receivers in DS/CDMA Communications
Teruyuki MIYAJIMA Kazuo YAMANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12 ; pp. 2357-2365
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
multiple access, interference suppression, fast convergence, complexity reduction, Hebbian learning algorithm, KL transform, 
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A Fast Projection Algorithm for Adaptive Filtering
Masashi TANAKA Yutaka KANEDA Shoji MAKINO Junji KOJIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/10/25
Vol. E78-A  No. 10 ; pp. 1355-1361
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive filtering, projection algorithm, complexity reduction, 
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