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AF三跳协作分集中基于最小ABER的最优功率分配算法 被引量：1

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摘要 协作分集技术融合了中继和分集的思想,使得单天线移动终端也可以利用多输入多输出(MIMO)技术。首先给出了两协作节点参与的三跳协作分集系统的信道模型,介绍了前向放大(AF)协议下的系统工作过程,给出了调制方式为BPSK,接收端采用最大比合并(MRC)算法下输出平均误码率(ABER)的近似表达式。在此基础上,提出了一种以最小ABER为目标的最优功率分配算法。仿真结果表明,在保持总发射功率不变的前提下,提出的算法较平均功率分配算法能够有效地提高系统的误码率性能。
作者 王莉 李韧 张恩展
机构地区 不详 汕头大学
出处 《广东通信技术》 2008年第1期22-25,29,共5页 Guangdong Communication Technology
关键词 协作分类 功率分配 平均误码率(ABER) 最大比合并(MRC)
分类号 TN919.3 [电子电信—通信与信息系统]
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参考文献11

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共引文献9

同被引文献8

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广东通信技术
2008年 第1期

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