L. Light, Yikun Huang, Ali R. Jishi, Qiang Xu, Y. Wang
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引用次数: 1
Abstract
The Spatial Multiplexing of Local Elements (SMILE) technique utilizes a low complexity switch network to combine multiple data streams from different array elements into one data stream, which requires only one RF receiver. The original SMILE array uses parallel ADCs after de-multiplexing. We explored a novel approach of using a single ADC before de-multiplexing in digital domain. This switching scheme effectively reduces the amount of costly RF hardware by a factor of N for an N — element array without compromising full array functionality. Wireless lab tests were carried out. The recovered data and the spectrum after SMILE array beamforming are presented.
SMILE (Spatial Multiplexing of Local Elements)技术利用低复杂度的交换网络，将来自不同阵列元素的多个数据流合并为一个数据流，只需要一个射频接收器。原来的SMILE阵列在解复用后使用并行adc。我们探索了一种在数字域解复用前使用单个ADC的新方法。这种开关方案有效地将昂贵的射频硬件数量减少了N个元素阵列的N倍，而不会影响阵列的全部功能。进行了无线实验室测试。给出了SMILE阵列波束形成后的恢复数据和频谱。
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