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cs.IT2025
Joint Space Time Coding on RIS for Simultaneous Direct Modulation and Beamforming
Shiyuan Li, Baojiang Yan, Yihan Xie +5
Reconfigurable Intelligent Surface (RIS)-based direct modulation communication systems have garnered significant attention due to their low cost, low power consumption, and baseban…
cs.IT2025
RIS Codebook Index Assignment under Imperfect Control Links Using TSP-Inspired Optimization
Liangshun Wu, Wen Chen, Qingqing Wu +2
Reconfigurable Intelligent Surfaces (RIS) promise transformative gains in wireless communications by enabling programmable control of the propagation environment through discrete p…