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首页> 外文会议>Proceedings of the 10th International Conference on Wireless Information Networks and Systems >Modulation-mode and power assignment in SVD-assisted MIMO systems with transmitter-side antennas correlation
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Modulation-mode and power assignment in SVD-assisted MIMO systems with transmitter-side antennas correlation

机译：具有发射机侧天线相关性的SVD辅助MIMO系统中的调制模式和功率分配

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摘要

Multiple-input multiple-output (MIMO) systems can provide a noticeable improvement in channel performance. Nevertheless some perturbances affect the capability of this technique to get the expected improvement. Due to the use of multiple antennas at the same front-end and their close spacing the so called antennas correlation effect appears. Antennas correlation can drastically affect the channel behaviour by increasing the bit-error rate (BER) and dropping its capability. This paper analyses the impact of transmitter-side antennas correlation on the MIMO system performance. The singular value decomposition (SVD) is used to transform the MIMO channel into independent layers. Afterwards bit and power allocation techniques are applied in order to obtain the best performance.
机译：多输入多输出（MIMO）系统可以显着改善信道性能。但是，某些干扰会影响此技术获得预期改进的能力。由于在同一前端使用多个天线且它们的间距很近，因此出现了所谓的天线相关效应。天线相关性会通过增加误码率（BER）并降低其能力来严重影响信道行为。本文分析了发射机侧天线相关性对MIMO系统性能的影响。奇异值分解（SVD）用于将MIMO信道转换为独立的层。然后，应用位和功率分配技术以获得最佳性能。

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