@Article{Geiger26TCOM, author = {B. Geiger and F. Liu and S. Lu and A. Rode and D. Gil Gaviria and C. Muth and L. Schmalen}, title = {Constellation shaping for OFDM-ISAC systems: from theoretical bounds to practical implementation}, journal = {IEEE Trans. Commun.}, note = {accepted for publication, https://arxiv.org/abs/2509.04055}, year = {2026}, }