@conference {1081, title = {Spectral Precoding Integration in OTFS Modulation}, booktitle = {IEEE Wireless Communications and Networking Conference}, year = {2025}, month = {03/2025}, address = {Milan, Italy}, abstract = {
Practical Orthogonal Time-Frequency-Space (OTFS)
systems face excessive out-of-band radiation (OBR), which degrades
overall network performance. We investigate the application
of spectral precoding to cyclic prefix-based OTFS to mitigate
OBR in high-mobility wireless channels, and propose a modification
of the low-complexity delay-time domain maximal ratio
combining iterative decoder to account for the spectral precoding
operation at the transmitter. Simulation results demonstrate the
effectiveness of the proposed scheme to mitigate OBR and improve
bit error rate, showcasing its potential for high-mobility OTFS
applications.
}, keywords = {mayte, multicarrier communications, OTFS, spectrum shaping}, author = {Vahid Vahidpour and R. L{\'o}pez-Valcarce} }