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首页> 外文会议>International ITG Workshop on Smart Antennas >Design Optimization of SIMO Receivers with Compact Uniform Linear Arrays and Limited Precision A/D Conversion
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Design Optimization of SIMO Receivers with Compact Uniform Linear Arrays and Limited Precision A/D Conversion

机译：具有紧凑一致线性阵列和有限精度A / D转换的SIMO接收器的设计优化

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摘要

Antenna arrays can be made compact when the spacing between adjacent antennas is reduced to less than half of the wavelength. This facilitates the deployment of multiple antennas to communication devices that are limited in their physical dimensions, yet introduces significant spatial correlation between the channels as well as antenna mutual coupling. With careful design of a matching network at the receiver front-end, the antennas can be decoupled and superior performance can be achieved as compared to half-wavelength arrays. In this work, we investigate the design optimization of a multi-antenna receiver with a compact uniform linear array, where we try to find the optimal antenna spacing and the number of antennas that lead to the maximal channel capacity and energy efficiency of the system. Moreover, we take into account the impact of A/D conversion with limited precision, which results in a trade-off between quantization error and power consumption. Simulation results accentuate the advantage of using small compact antenna arrays and low bit resolutions for the A/D converters.
机译：当相邻天线之间的间隔减小到小于波长的一半时，可以使天线阵列紧凑。这有利于将多个天线部署到在物理尺寸上受限制的通信设备，但是在信道之间引入了显着的空间相关性以及天线相互耦合。通过精心设计接收器前端的匹配网络，与半波长阵列相比，天线可以解耦，并可以实现卓越的性能。在这项工作中，我们研究了具有紧凑均匀线性阵列的多天线接收器的设计优化，在此我们试图找到导致系统最大信道容量和能量效率的最佳天线间距和天线数量。此外，我们考虑了精度有限的A / D转换的影响，这导致了量化误差与功耗之间的权衡。仿真结果突出了为A / D转换器使用小型紧凑型天线阵列和低位分辨率的优势。

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