Xingyue Yang Lei Wang 0061 Jiqing Yang Three-Dimensional Generalized Spatial Modulation for Ambient Backscatter Communication. 2970-2974 2024 November 13 IEEE Wirel. Commun. Lett. 11 https://doi.org/10.1109/LWC.2024.3427358 db/journals/wcl/wcl13.html#YangWY24a streams/journals/wcl