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arXiv 2009.02655eess.SP
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FusionNet:使用Sub-6 GHz信道和少量导频的mmWave通信的增强波束预测

FusionNet: Enhanced Beam Prediction for mmWave Communications Using Sub-6GHz Channel and A Few Pilots

Chenghong Bian, Yuwen Yang, Feifei Gao, Geoffrey Ye Li

摘要:

在本文中,我们提出了一种新的毫米波通信的下行链路波束成形策略,使用上行链路的子6 GHz信道信息和非常少的毫米波导频。具体来说,我们设计了一种新型的双输入神经网络FusionNet,用于提取和利用sub-6 GHz信道和少量mmWave导频的特征,以准确预测mmWave波束。为了进一步提高波束形成性能和避免过拟合,我们开发了两种数据预处理方法,利用信道稀疏和数据增强。仿真结果表明,所提出的策略相比,现有的一个纯粹依赖于子6 GHz的信息,特别是在低信噪比(SNR)区域的优越性能和鲁棒性。

英文摘要:

In this paper, we propose a new downlink beamforming strategy for mmWave communications using uplink sub-6GHz channel information and a very few mmWave pilots. Specifically, we design a novel dual-input neural network, called FusionNet, to extract and exploit the features from sub-6GHz channel and a few mmWave pilots to accurately predict mmWave beam. To further improve the beamforming performance and avoid over-fitting, we develop two data pre-processing approaches utilizing channel sparsity and data augmentation. The simulation results demonstrate superior performance and robustness of the proposed strategy compared to the existing one that purely relies on the sub-6GHz information, especially in the low signal-to-noise ratio (SNR) regions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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