LOW-COMPLEXITY

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Design of Serially Concatenated Two-Level Polar Coded Modulation System with Low-Complexity
《China Communications》2025年第1期102-110,共9页Zhou Lin Liao Guojun Xu Lei An Ran Xie Xianzhong Wang Xi 
supported by the External Cooperation Program of Science and Technology of Fujian Province,China(2024I0016);the Fundamental Research Funds for the Central Universities(ZQN-1005).
Multilevel coding(MLC)is a commonly used polar coded modulation scheme,but challenging to implement in engineering due to its high complexity and long decoding delay for high-order modulations.To address these limitat...
关键词：bit-interleaved coded modulation high-order modulation multilevel coding polar codes 
A low-complexity AMP detection algorithm with deep neural network for massive mimo systems
《Digital Communications and Networks》2024年第5期1375-1386,共12页Zufan Zhang Yang Li Xiaoqin Yan Zonghua Ouyang 
supported by Major Project of Science and Technology Research Program of Chongqing Education Commission of China(Grant No.KJZD-M201900601);China Postdoctoral Science Foundation(Grant No.2021MD703932);Project Supported by Engineering Research Center of Mobile Communications,Ministry of Education,China(Grant No.cqupt-mct-202006)。
Signal detection plays an essential role in massive Multiple-Input Multiple-Output(MIMO)systems.However,existing detection methods have not yet made a good tradeoff between Bit Error Rate(BER)and computational complex...
关键词：Massive MIMO system Approximate message passing(AMP)detection algorithm Deep neural network(DNN) Bit error rate(BER) LOW-COMPLEXITY 
Low-Complexity Integrated Super-Resolution Sensing and Communication with Signal Decimation and Ambiguity Removal
《ZTE Communications》2024年第3期48-55,共8页DAI Qianglong ZHOU Zhiwen XIAO Zhiqiang ZENG Yong YANG Fei CHEN Yan 
supported by the National Natural Science Foundation of China under Grant No.62071114.
Integrated sensing and communication(ISAC)is one of the main usage scenarios for 6G wireless networks.To most efficiently utilize the limited wireless resources,integrated super-resolution sensing and communication(IS...
关键词：ISSAC sparse decimation range ambiguity two-stage approach 
Low-complexity model predictive control of a four-level active neutral point clamped inverter without weighting factors
《Transportation Safety and Environment》2024年第2期96-103,共8页Chaoqun Xiang Ziyin Fan Songyang Jiang Xinan Zhang Shu Cheng 
supported by the National Key Research and Development Program of China(Grant No.2022YFB4201602);the National Natural Science Foundation of China(Grant No.52002409).
The four-level active neutral point clamped(ANPC)inverter has become increasingly widely used in the renewable energy indus-try since it offers one more voltage level without increasing the total number of active swit...
关键词：four-level active neutral point clamped(ANPC)inverter model predictive current control(MPCC) low complexity without weighting factors 
Low-complexity signal detection for massive MIMO systems via trace iterative method
《Journal of Systems Engineering and Electronics》2024年第3期549-557,共9页IMRAN A.Khoso ZHANG Xiaofei ABDUL Hayee Shaikh IHSAN A.Khoso ZAHEER Ahmed Dayo 
supported by National Natural Science Foundation of China(62371225,62371227)。
Linear minimum mean square error(MMSE)detection has been shown to achieve near-optimal performance for massive multiple-input multiple-output(MIMO)systems but inevitably involves complicated matrix inversion,which ent...
关键词：signal detection LOW-COMPLEXITY linear minimum mean square error(MMSE) massive multiple-input multiple-output(MIMO) trace iterative method(TIM) 
Low-Complexity Reconstruction of Covariance Matrix in Hybrid Uniform Circular Array
《China Communications》2024年第3期66-74,共9页Fu Zihao Liu Yinsheng Duan Hongtao 
supported by National Key Research and Development Program of China under Grant 2020YFB1804901;State Key Laboratory of Rail Traffic Control and Safety(Contract:No.RCS2022ZT 015);Special Key Project of Technological Innovation and Application Development of Chongqing Science and Technology Bureau(cstc2019jscx-fxydX0053).
Spatial covariance matrix(SCM) is essential in many multi-antenna systems such as massive multiple-input multiple-output(MIMO). For multi-antenna systems operating at millimeter-wave bands, hybrid analog-digital struc...
关键词：hybrid array MILLIMETER-WAVE spatial covariance matrix uniform circular array 
3DT-CM: A Low-complexity Cross-matching Algorithm for Large Astronomical Catalogues Using 3d-tree Approach
《Research in Astronomy and Astrophysics》2023年第10期324-334,共11页Yifei Mu Ce Yu Chao Sun Kun Li Yajie Zhang Jizeng Wei Jian Xiao Jie Wang 
supported by the National Key Research and Development Program of China (2022YFF0711502);the National Natural Science Foundation of China (NSFC) (12273025 and 12133010);supported by China National Astronomical Data Center (NADC), CAS Astronomical Data Center and Chinese Virtual Observatory (China-VO)。
Location-based cross-matching is a preprocessing step in astronomy that aims to identify records belonging to the same celestial body based on the angular distance formula. The traditional approach involves comparing ...
关键词：methods:data analysis catalogs techniques:miscellaneous 
Low-complexity iterative equalization for OTFS based on alternating minimization
《Journal of Systems Engineering and Electronics》2023年第4期851-860,共10页HE Xin JIA Haoxiang SUN Yutong ZHOU Zijian ZHAO Danfeng 
supported by the 54th Research Institute of China E lectronics Technology Group Corporation(SKX212010007)。
To achieve robust communication in high mobility scenarios,an iterative equalization algorithm based on alternating minimization(AM)is proposed for the orthogonal time frequency space(OTFS)system.The algorithm approxi...
关键词：orthogonal time frequency space(OTFS) alternating minimization(AM) high-speed mobile scenario iterative equalization 
A Low-Complexity Key-Recovery Attack on 6-Round Midori64
《Journal of Systems Science & Complexity》2023年第4期1738-1756,共19页XIE Xiaofeng TIAN Tian 
In EUROCRYPT 2017,a new structure-difference property,say“a-multiple-of-8”was proposed on 5-round AES.Inspired by the idea,yoyo attacks and mixture differential attacks were proposed yielding new records on data and...
关键词：Boomerang attack Midori mixture differential attack yoyo attack 
Low-complexity soft-output signal detector based on adaptive pre-conditioned gradient descent method for uplink multiuser massive MIMO systems
《Digital Communications and Networks》2023年第2期557-566,共10页Souleymane Berthe Xiaorong Jing Hongqing Liu Qianbin Chen 
supported by National Natural Science Foundation of China under Grant 61501072 and 61701062;Chongqing Research Program of Basic Research and Frontier Technology under Grant cstc2019jcyj-msxmX0079;Program for Changjiang Scholars and Innovative Research Team in University under Grant IRT16R72.
In multiuser massive Multiple Input Multiple Output(MIMO)systems,a large amount of antennas are deployed at the Base Station(BS).In this case,the Minimum Mean Square Error(MMSE)detector with soft-output can achieve th...
关键词：Multiuser massive MIMO MMSE algorithm GD Method Soft-output PRE-CONDITIONING Symmetric rank one update 
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