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- 2017
基于布谷鸟搜索算法的用户选择和干扰对齐
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Abstract:
为了实现蜂窝系统中单小区边缘用户正常通信，减少相邻小区间多个边缘用户对本小区边缘用户造成的干扰，提出了一种基于布谷鸟搜索算法的用户选择和干扰对齐算法。该算法首先用布谷鸟搜索算法对小区边缘用户进行选择，接着采用干扰对齐方法消除相邻小区间的干扰，最后通过预编码和基于最小均方差（MMSE）译码方法消除小区内用户间的干扰。该布谷鸟搜索算法与快速排序搜索算法相比具有更低的时间复杂度。数值分析表明与基于迫零算法的译码方法相比，该译码方法能够提高系统容量2 b·s-1·Hz-2，改善误码率4 dB。
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