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OFDMA系统中节能的遗传禁忌搜索功率分配

DOI: 10.13190/jbupt.201002.69.273, PP. 69-73

Keywords: 正交频分多址,功率分配,遗传算法,禁忌搜索

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Abstract:

提出了一种用于多小区正交频分多址系统的功率分配算法.以最小化系统发送功率为优化目标,在满足每个用户速率要求条件下,将遗传算法与禁忌搜索算法相结合,求解了多小区同频子信道上的功率分配问题.定义了适应度函数,并给出了算法实现过程.仿真结果表明,与已有算法相比,新提出的算法能在满足所有用户的速率要求条件下节约系统总发送功率,提高能量效率.

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