OTFS With Linear Equalization for ISAC in Doubly Dispersive Channels: BER and Throughput Performance Analysis

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Analysis shows OTFS achieves lower BER than OFDM in high-mobility environments, highlighting improved throughput and efficiency.

OTFS significantly outperforms OFDM with a lower bit-error rate, achieving 5.73 × 10 −4 at high velocities.
The proposed OTFS enhances throughput while maintaining robustness under Doppler spread and multipath fading conditions.
Simulation results highlight a computationally efficient matrix inversion strategy, reducing equalization complexity significantly.
Findings indicate that OTFS is a scalable solution for future wireless systems facing high mobility and channel variation.

Khaled Ramadan (2025) studied this question.

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