LOW-COMPLEXITY

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Low-Complexity Digital Equalizers for High-Speed Underwater Optical Wireless Communication
《Chinese Journal of Electronics》2021年第6期1167-1172,共6页LI Chao HU Zhijia 
supported by the Anhui Provincial Natural Science Foundation of China (No.1808085MF186)。
Hundreds of Megabit per second(Mb/s)data transmission over a moderate range(10 m) underwater optical wireless channel is implemented with 4-level pulse amplitude modulation scheme using an off-the-shelf light-emitting...
关键词：Underwater optical wireless communication Light-emitting diode Inter-symbol interference Digital equalizer 
SVD-Based Low-Complexity Methods for Computing the Intersection of K≥2 Subspaces被引量：2
《Chinese Journal of Electronics》2019年第2期430-436,共7页YAN Fenggang WANG Jun LIU Shuai JIN Ming SHEN Yi 
supported by the National Natural Science Foundation of China(No.61501142,No.61871149)
Given the orthogonal basis(or the projections) of no less than two subspaces in finite dimensional spaces, we propose two novel algorithms for computing the intersection of those subspaces. By constructing two matrice...
关键词：Orthogonal projection CUMULATIVE sum CUMULATIVE MULTIPLICATION SINGULAR value decomposition INTERSECTION 
Low-Complexity LS Algorithm Using Coordinate Transformation被引量：2
《Chinese Journal of Electronics》2017年第1期156-159,共4页YAN Wen XIE Yizhuang ZHU Bocheng CHEN He MA Cuimei 
supported by the National Natural Science Foundation of China(No.61171194)
To reduce the computational complexity, decrease hardware resource consumption, and make it practicable, we propose a novel coordinate transformation based low-complexity Least squares(LS) algorithm. The positive inte...
关键词：Least squares（LS） fitting Reference coordinate Coordinate transformation Low computational complexity 
A Low-Complexity PTS Based on Greedy and Genetic Algorithm for OFDM Systems被引量：10
《Chinese Journal of Electronics》2015年第4期857-861,共5页LUO Renze ZHANG Chengsen NIU Na LI Rui 
supported by the National Natural Science Foundation of China(No.61072073);in part by the Education Department Foundation of Sichuan Province(No.10ZA072);the Higher Level New Teacher Science Research Foundation of Southwest Petroleum University
Partial transmit sequence(PTS) is one of effective technique to reduce high Peak-to-average power ratio(PAPR) in Orthogonal frequency division multiplexing(OFDM) system. However, the complexity of Original PTS(O-PTS) ...
关键词：PTS PAPR reduction OFDM Suboptimal ROTATING vector 
Low-complexity DOA Estimation Based on Conjugate Gradient Method被引量：2
《Chinese Journal of Electronics》2009年第4期671-676,共6页ZHUANG Xuebin ZHUANG Xuebin LU Mingquan LU Mingquan CUI Xiaowei CUI Xiaowei FENG Zhenming FENG Zhenming 
A low-complexity algorithm for Direction of arrival （DOA） estimation based on Conjugate gradient （CG） method is proposed in this paper. The orthogonal residual vectors in CG method span the signal subspace employe...
关键词：Direction of arrival （DOA） Eigenvalue decomposition （EVD） Multistage Wiener filter （MSWF） Conjugate gradient （CG） Multiple signal classification （MUSIC）. 
Low-Complexity Adaptive Moving Target Tracking Algorithm over Multipath Fading Channels
《Chinese Journal of Electronics》2008年第4期719-725,共7页DU Jiang SONG Ting LI Guangjun 
The time-varying multipath channel and angular spreads caused by multipath and mobility of mobile stations degrade the performance of the conventional Direction-of-arrival （DOA） tracking algorithms. Moreover, althou...
关键词：LOW-COMPLEXITY Moving target Adaptive tracking Suboptimal DOA estimation Spread source models. 
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