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APPLICATION OF THE LLL ALGORITHM IN SPHERE DECODING

机译:LLL算法在球体解码中的应用

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摘要

One of key issues in sphere decoding is the determination of the radius of the search sphere. In this paper, we investigate the impact of the LLL algorithm on the performance of sphere decoding. We show that the LLL algorithm can reduce the search radius as well as the total number of search paths. In some applications such as communications, the LLL algorithm has little effect on reducing the search radius. We propose a deterministic method for finding search radius. Our experiment results show that the combination of our method and the LLL algorithm can significantly improve the performance of sphere decoding.
机译:球体解码中的关键问题之一是确定搜索球的半径。本文研究了LLL算法对球体解码性能的影响。我们表明LLL算法可以减少搜索半径以及搜索路径的总数。在诸如通信的某些应用中,LLL算法对减少搜索半径几乎没有影响。我们提出了一种确定搜索半径的确定方法。我们的实验结果表明,我们的方法和LLL算法的组合可以显着提高球体解码的性能。

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