15 citations · 22 across the 8 of their papers we have counts for
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cs.IT2023★ 1 cited
Hierarchical Codebook Design and Analytical Beamforming Solution for IRS Assisted Communication
Xiyuan Liu, Qingqing Wu, Die Hu +2
In intelligent reflecting surface (IRS) assisted communication, beam search is usually time-consuming as the multiple-input multiple-output (MIMO) of IRS is usually very large. Hie…
cs.IT2016★ 15 cited
A Scalable Framework for CSI Feedback in FDD Massive MIMO via DL Path Aligning
Xiliang Luo, Penghao Cai, Xiaoyu Zhang +2
Unlike the time-division duplexing (TDD) systems, the downlink (DL) and uplink (UL) channels are not reciprocal anymore in the case of frequency-division duplexing (FDD). However,…