On Perfect Coverings of Two-Dimensional Grids. - Elias Heikkilä; Pyry Herva; Jarkko Kari (DLT, 2022)

Low-Complexity Grassmannian Quantization Based on Binary Chirps. - Tefjol Pllaha; Elias Heikkilä; A. Robert Calderbank; Olav Tirkkonen (WCNC, 2022)

Extended Binary Chirps Codebooks for Non-Coherent Communications. - Mahdi Bayanifar; Elias Heikkilä; A. Robert Calderbank; Olav Tirkkonen (GLOBECOM, 2023)