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检索条件"主题词=LLL Algorithm"
134 条 记 录,以下是81-90 订阅
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Fixed Complexity lll algorithm
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2009年 第4期57卷 1634-1637页
作者: Vetter, Henning Ponnampalam, Vishakan Sandell, Magnus Hoeher, Peter Adam Toshiba Res Europe Ltd Telecommun Res Lab Bristol BS1 4ND Avon England Univ Kiel Informat & Coding Theory Lab Fac Engn D-24143 Kiel Germany
A common technique to perform lattice basis reduction is the Lenstra, Lenstra, Lovasz (lll) algorithm. An implementation of this algorithm in real-time systems suffers from the problem of variable run-time and complex... 详细信息
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An Improved Quantization Scheme for Lattice-Reduction Aided MIMO Detection Based on Gram-Schmidt Orthogonalization
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IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES 2013年 第12期E96A卷 2405-2414页
作者: Hou, Wei Fujino, Tadashi Kojima, Toshiharu Univ Electrocommun Dept Informat & Commun Chofu Tokyo 1828585 Japan
Lattice-reduction (LR) technique has been adopted to improve the performance and reduce the complexity in MIMO data detection. This paper presents an improved quantization scheme for LR aided MIMO detection based on G... 详细信息
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Experimental quality evaluation of lattice basis reduction methods for decorrelating low-dimensional integer least squares problems
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EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING 2013年 第1期2013卷 1页
作者: Xu, Peiliang Kyoto Univ Disaster Prevent Res Inst Kyoto 6110011 Japan
Reduction can be important to aid quickly attaining the integer least squares (ILS) estimate from noisy data. We present an improved lll algorithm with fixed complexity by extending a parallel reduction method for pos... 详细信息
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The measure of totally positive algebraic integers
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JOURNAL OF NUMBER THEORY 2013年 第1期133卷 12-19页
作者: Mu, Quanwu Wu, Qiang SW Univ China Dept Math Chongqing 400715 Peoples R China
For a totally positive algebraic integer alpha not equal 0, 1 of degree d, we consider the set R of values of L(alpha)(1/d) = R(alpha) and the set L of values of M(alpha)(1/d) = Omega(alpha). where L(alpha) is the len... 详细信息
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Efficient Quantization Scheme for Lattice-Reduction Aided MIMO Detection
Efficient Quantization Scheme for Lattice-Reduction Aided MI...
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International Conference on Advanced Technologies for Communications (ATC)
作者: Hou, Wei Fujino, Tadashi Kojima, Toshiharu Univ Electrocommun Grad Sch Informat & Commun Engn & Informat Tokyo 1828585 Japan
In this paper, we present an efficient quantization scheme for lattice-reduction (LR) aided (LRA) MIMO detection using Gram-Schmidt orthogonalization. For the LRA detection, the quantization step applies the simple ro... 详细信息
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An Improved Integer Ambiguity Decorrelation algorithm
An Improved Integer Ambiguity Decorrelation Algorithm
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32nd Chinese Control Conference (CCC)
作者: Xu Dingjie Chen Xiao Shen Feng Harbin Engn Univ Harbin 150001 Peoples R China
The solution of integer ambiguity was regarded as a key technology of precise attitude measuring algorithm, which rapidity and accuracy is influenced by the relevance of ambiguity vector. Since the deficiency of prese... 详细信息
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Improved Lattice Reduction-Aided MIMO Successive Interference Cancellation Under Imperfect Channel Estimation
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2012年 第6期60卷 3346-3351页
作者: Park, Jaehyun Chun, Joohwan ETRI Broadcasting & Telecommun Convergence Res Lab Taejon 305701 South Korea Korea Adv Inst Sci & Technol Div Elect Engn Sch Elect Engn & Comp Sci Taejon 305701 South Korea
Lattice reduction (LR) and successive interference cancellation (SIC) are two well-known techniques that can be used to improve detection performance over linear detectors for multiple-input multiple-output (MIMO) sys... 详细信息
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A Diagonal Lattice Reduction algorithm for MIMO Detection
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IEEE SIGNAL PROCESSING LETTERS 2012年 第5期19卷 311-314页
作者: Zhang, Wen Qiao, Sanzheng Wei, Yimin Fudan Univ Sch Math Sci Shanghai 200433 Peoples R China McMaster Univ Dept Comp & Software Hamilton ON L8S 4K1 Canada Fudan Univ Shanghai Key Lab Contemporary Appl Math Shanghai 200433 Peoples R China
Recently, an efficient lattice reduction method, called the effective lll (Elll) algorithm, was presented for the detection of multiinput multioutput (MIMO) systems. In this letter, a novel lattice reduction criterion... 详细信息
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Integer estimation methods for GPS ambiguity resolution: an applications oriented review and improvement
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SURVEY REVIEW 2012年 第324期43卷 59-71页
作者: Xu, Peiliang Shi, Chuang Liu, Jingnan Kyoto Univ Disaster Prevent Res Inst Kyoto 6110011 Japan Wuhan Univ GNSS Res Ctr Wuhan 430071 Peoples R China
The integer least squares (ILS) problem, also known as the weighted closest point problem, is highly interdisciplinary, but no algorithm can find its global optimal integer solution in polynomial time. We first outlin... 详细信息
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An efficient algorithm for clustered integer least squares problems
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NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS 2012年 第1期19卷 19-30页
作者: Chun, Joohwan Park, Jaehyun Korea Adv Inst Sci & Technol Dept Elect Engn Taejon 305701 South Korea
The integer least squares problem is known to be NP-hard, and the algorithms such as the sphere decoding algorithm, which give the optimal solution, are usually too slow. To obtain a solution efficiently one may use o... 详细信息
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