Author

Wen Chen

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Preprint Aug 2026

Intelligent Reflecting Surface Deployment for Low-Altitude Coverage: Illumination Geometry, Directional Characteristics, and Optimization

A channel model is established that incorporates BS and intelligent reflecting surface (IRS) radiation patterns for three-dimensional (3D) low-altitude coverage while preserving the existing BS configuration and develops a mixed-integer alternating optimization (AO) algorithm to solve the resulting problem.

Guo-Ying Zhang, Qingqing Wu, Ai-Ling Zheng et al. · 0 citations

Preprint Sep 2026

Rotatable Antenna Enabled Multi-Satellite Communications: Joint Satellite Selection and Boresight Trajectory Optimization

This paper considers a satellite-to-ground communication system in which a ground station (GS) equipped with independently rotatable antenna (RA) elements jointly decodes independent streams from multiple low-Earth-orbit (LEO) satellites over a shared time--frequency resource. Specifically, we formulate a two-timescale...

Xingxiang Peng, Qingqing Wu, Hai-Ying Hu et al. · 0 citations