遗传算法在小区分裂下的自适应智能天线中的应用与实现
首发时间:2008-02-14
摘要:本文通过对遗传算法(自适应波束成形核心算法的一种)的改进,解决了智能天线在小区分裂中的应用问题。传统的自适应智能天线技术都是对全向空间的用户进行搜索,而在小区分裂技术中,需要针对某一区间范围内的用户进行搜索,而不受到其它扇区用户的影响,即使采用的是相同的导频。通过MATLAB的仿真验证,该方法不仅能实现指定小区的搜索,在全向空间搜索时也可以大大提高遗传算法的效率。
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Genetic Algorithm in the combination of smart antenna and cell splitting
Abstract:This paper improved the GA (genetic algorithm), one of the core algorithms of adaptive beam-forming, to solve the combination problem of SA and cell split technology. Traditional SA (smart antenna) searches users from the whole direction of the space in the uplink. When SA is used in cell split technology, it is required to search within a certain area (a sector of 120 degrees), and not interfered by users of other sectors, even if the users of the same training sequences.
Keywords: GA(Genetic Algorithm) Cell Split SA(Smart Antenna) Adaptive Beam-forming
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No.1867218942212029****
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