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An improved Cholesky decomposition method based on DSP implement in joint Detection

Dan Wang

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Abstract

In this paper,a new method-Cholesky decomposition to R matrix is adopted,and then the recursion expression ameliorated according to the attributes of fixed DSP. Afterwards this new Cholesky decomposition method is compared with the traditional one. Simulation indicates the ameliorated Cholesky decomposition method features high data accuracy and feasibility.

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What this paper is about

In this paper,a new method-Cholesky decomposition to R matrix is adopted,and then the recursion expression ameliorated according to the attributes of fixed DSP. Afterwards this new Cholesky decomposition method is compared with the traditional one. Simulation indicates the ameliorated Cholesky decomposition method features high data accuracy and feasibility.

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Available abstract

In this paper,a new method-Cholesky decomposition to R matrix is adopted,and then the recursion expression ameliorated according to the attributes of fixed DSP. Afterwards this new Cholesky decomposition method is compared with the traditional one. Simulation indicates the ameliorated Cholesky decomposition method features high data accuracy and feasibility.

Key concepts: Cholesky decomposition, Minimum degree algorithm, Computer science, Decomposition, Incomplete Cholesky factorization, Recursion (computer science), Digital signal processing, Algorithm

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