2 papers
cs.IT2025
High-Capacity and Low-PAPR BICM-OFDM Systems Using Non-Equiprobable and Non-Uniform Constellation Shaping With Clipping and Filtering
Eito Kurihara, Hideki Ochiai
We address a design of high-capacity and low-peak-to-average power ratio (PAPR) orthogonal frequency-division multiplexing (OFDM) systems based on bit-interleaved coded modulation…
cs.IT2024
Single-Carrier Delay-Doppler Domain Equalization
Yuto Hama, Hideki Ochiai
For doubly-selective channels, delay-Doppler (DD) modulation, mostly known as orthogonal time frequency space (OTFS) modulation, enables simultaneous compensation of delay and Dopp…