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A Hybrid Polarimetric Wide-Band Beam-former Architecture for 5G mm-Wave Communications

机译:用于5G毫米波通信的混合极化宽带波束形成器架构

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Beam-forming at millimeter wave frequencies (mmwave) is a key technology to fulfill the fifth generation (5G) high data rate requirements. In this paper, we describe a novel hybrid architecture for mm-wave beam-forming, which addresses the mm-wave specific propagation channel characteristics that are identified in recent measurement campaigns. This architecture leverages baseband processing both in analog and digital domain. By enabling multi-beam beam-forming and compensating the polarization mismatch, delay difference (of different beams) and optionally the Doppler shifts (depending on mobility) of the beams at the Tx, a coherent summation of the signals in different beams can be realized, allowing to maximize the signal-to-noise ratio (SNR) and reduce the Rx complexity. Simulations based on measured channels in a typical large indoor scenario have been used to sustain the effectiveness of the proposed beam-forming architecture.
机译:以毫米波频率(mmwave)进行波束成形是满足第五代(5G)高数据速率要求的关键技术。在本文中,我们描述了一种用于毫米波波束形成的新型混合体系结构,该体系结构解决了近期测量活动中确定的毫米波特定传播通道特性。这种架构利用了模拟和数字领域的基带处理。通过实现多光束波束形成并补偿偏振不匹配,Tx光束的延迟差(不同光束的延迟)以及可选的多普勒频移(取决于迁移率),可以实现不同光束中信号的相干求和,从而可以最大化信噪比(SNR)并降低Rx复杂度。在典型的大型室内场景中,基于测量通道的仿真已用于维持所提出的波束形成架构的有效性。

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