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Cooperative Sensing Sequence Design for Distributed OFDM Based Stations Under Time-Frequency Structure Constraints
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DOI：10.1109/LSP.2025.3577125.png)
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Abstract
En 中文
The orthogonal frequency division multiplexing (OFDM) sequences are widely used in 4 G, 5 G and integrated sensing and communication (ISAC). In this paper, we address the challenge of designing orthogonal OFDM sequences. The weighted sum of the auto-correlation and cross-correlation is minimized. Considering the base station (BS) hardware constraints, the length of OFDM sequence in time domain and frequency domain is inconsistent. Furthermore, we consider the limitation of peak to average power ratio (PAPR). To solve the non-convex problem, we have developed an efficient alternating direction method of multipliers (ADMM) algorithm. Numerical simulations confirm the effectiveness of the proposed algorithm.
Keywords:
Low correlation level
low peak to average power ratio (PAPR)
orthogonal frequency division multiplexing (OFDM) sequences
orthogonal sequence design
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1.7W