Closed-Form Expressions for I/O Relation in Zak-OTFS with Different Delay-Doppler Filters

Arpan Das, Fathima Jesbin, Ananthanarayanan Chockalingam

The transceiver operations in the delay-Doppler (DD) domain in Zak-OTFS modulation, including DD domain filtering at the transmitter and receiver, involve twisted convolution opera…