Web6 de nov. de 2015 · DOI: 10.1109/TWC.2016.2520930 Corpus ID: 5965492; Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication @article{Xiao2015HierarchicalCD, title={Hierarchical Codebook Design for Beamforming Training in Millimeter-Wave Communication}, author={Zhenyu Xiao and Tong He and … WebStatistics Definitions >. A hierarchical model is a model in which lower levels are sorted under a hierarchy of successively higher-level units. Data is grouped into clusters at one …
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Web22 de jan. de 2016 · In millimeter-wave communication, large antenna arrays are required to achieve high power gain by steering toward each other with narrow beams, which poses … Web29 de set. de 2024 · In this letter, we study efficient near-field beam training design for the extremely large-scale array (XL-array) communication systems. Compared with the conventional far-field beam training method that searches for the best beam direction only, the near-field beam training is more challenging since it requires a beam search over … country boy belt buckle
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Web12 de mar. de 2024 · In this paper, multiuser beam training based on hierarchical codebook for millimeter wave massive multi-input multi-output is investigated, where the base station (BS) simultaneously performs beam training with multiple user equipments (UEs). For the UEs, an alternative minimization method with a closed-form expression … Web3 de jan. de 2024 · As the line-of-sight propagation component is dominant in Terahertz (THz) channels, beam training is regarded as an efficient beamforming strategy for THz … Web28 de set. de 2024 · For mmWave massive MIMO systems, the beam training method based on predefined codebooks has been widely adopted. However, this will incur extremely high training overhead [2]. To tackle this issue, a typical scheme based on hierarchical codebooks that contain wide beams and narrow beams was proposed in … country boy blake shelton