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Ergodic Capacity of Two-Hop Multiple Antenna AF Systems With Co-Channel Interference

机译:具有同频干扰的两跳多天线自动对焦系统的遍历容量

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In this letter, we analyze the ergodic capacity of a two-hop multiple-antenna amplify and forward (AF) system, where the relay is subject to co-channel interference (CCI) while the destination is corrupted by additive white Gaussian noise (AWGN) only. A novel integral transform, called the complementary moment generating function transform (CMGF), is proposed as a unified tool to compute the ergodic capacity. When both the relay and destination perform maximum ratio combining (MRC), we derive a new analytical exact expression for the ergodic capacity. It is shown that the ergodic capacity is better improved by increasing the number of antennas at the relay than that at destination . Unfortunately, the system shows an incapability of canceling interference even if and/or grows large.
机译:在这封信中,我们分析了两跳多天线放大和转发(AF)系统的遍历容量,该系统的中继受到同信道干扰(CCI),而目的地受到加性高斯白噪声(AWGN)的破坏) 只要。提出了一种新颖的积分变换,称为互补矩生成函数变换(CMGF),作为计算遍历能力的统一工具。当中继站和目标站都执行最大比率合并(MRC)时,我们得出遍历容量的新解析精确表达式。结果表明,通过增加中继点的天线数量可以更好地提高遍历容量。不幸的是,即使和/或变得很大,该系统也不能消除干扰。

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