Part 2: OTFS Modulation and Detection
Chapter 6: OTFS Modulation
Advanced~170 min
Learning Objectives
- Construct the full Hadani-Rakib OTFS transmitter: DD grid → ISFFT → Heisenberg transform → waveform
- Derive the OTFS receiver chain: Wigner transform → SFFT → DD grid estimate
- Specify cyclic-prefix length and pulse-shape choices for practical OTFS deployment
- Show that OTFS is precoded OFDM — an ISFFT-precoded OFDM system
- Compare the Zak-OTFS direct construction with the two-step Hadani-Rakib form
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