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An Iterative Hybrid Transceiver Design Algorithm for Millimeter Wave MIMO Systems

机译:毫米波MIMO系统的迭代混合收发器设计算法。

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摘要

In this letter, a new algorithm for millimeter wave multiple-input-multiple-output hybrid (mixed RF and baseband) transceiver design is proposed. The proposed algorithm iteratively updates the phases of the phase-shifters in the RF precoder (or RF combiner) to minimize the weighted sum of squared residuals between the optimal full-baseband design and the hybrid design, and is guaranteed to converge to at least a local optimal solution. Simulation results show that the proposed iterative design can achieve almost the same performance as the optimal full-baseband design, in spite of using a much smaller number of RF chains.
机译:在这封信中,提出了一种毫米波多输入多输出混合(RF和基带混合)收发器设计的新算法。所提出的算法迭代地更新RF预编码器(或RF合路器)中的移相器的相位,以最小化最佳全基带设计与混合设计之间的残差平方和,并保证至少收敛到1。局部最优解。仿真结果表明,尽管使用的RF链数量少得多,但所提出的迭代设计仍可以实现与最佳全基带设计几乎相同的性能。

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