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Service-based resource scheduling optimization for multi-user otfs-based systems
(2024) Jaradat, Ahmad M.; Alayedi, Mohanad; Arslan, Hüseyin
In this letter, we investigate a flexible resource allocation (RA) in the delay and Doppler domains to accommodate services with varying requirements. We demonstrate that our problem is NP-hard and propose an optimization method based on linear programming (LP) and Lagrangian dual (LD). The adoption of flexibility in the delay and Doppler domains for capacity enhancement and addressing the needs of mission-critical services has considerable advantages, according to the obtained numerical results. They show that the new scheduling method outperforms conventional time-frequency (TF) domains in terms of bit rate and latency per user, making it valuable for fifth generation (5G) applications and beyond.