Multi-Bit On–Off Digital Noise Modulation
This letter proposes multi-bit on-off digital noise (M-OODN), a time-structured $M$ -ary extension of on-off digital noise (OODN) for noise-based signaling. Each symbol is partitioned into OODN-based sub-symbols, enabling multiple bits to be conveyed through temporal silence-versus-noise patterns without intermediate v...