600 citations · 979 across the 39 of their papers we have counts for
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cs.IT2017★ 10 cited
Joint Altitude and Beamwidth Optimization for UAV-Enabled Multiuser Communications
Haiyun He, Shuowen Zhang, Yong Zeng +1
In this letter, we study multiuser communication systems enabled by an unmanned aerial vehicle (UAV) that is equipped with a directional antenna of adjustable beamwidth. We propose…
cs.IT2017★ 9 cited
Cellular-Enabled UAV Communication: Trajectory Optimization Under Connectivity Constraint
Shuowen Zhang, Yong Zeng, Rui Zhang
In this paper, we study a cellular-enabled unmanned aerial vehicle (UAV) communication system consisting of one UAV and multiple ground base stations (GBSs). The UAV has a mission…
cs.IT2017
Flexible Multi-Group Single-Carrier Modulation: Optimal Subcarrier Grouping and Rate Maximization
Yifei Yang, Shuowen Zhang, Joni Polili Lie +1
Orthogonal frequency division multiplexing (OFDM) and single-carrier frequency domain equalization (SC-FDE) are two commonly adopted modulation schemes for frequency-selective chan…