Spread spectrum techniques have been widely adopted in both military and commercial communications because of their anti-interference and anti-interception properties. However, when the interference power is high and the spread spectrum gain is not sufficient to achieve satisfactory system performance, additional anti-interference techniques need to be employed, and the design of the interference sensing and recognition method is a basic prerequisite of effective interference suppression. In this work, considering the superiority of transformer networks in sequence-related tasks, we propose a novel channel interference sensing method with gated transformer and attention mechanism. The proposed network, consisting of embedding, twin-transformer and gating, is designed by introducing the attention mechanism which focuses on the inter-carrier correlation and real-imaginary correlation of the received spectrum. Simulation results demonstrate the superiority of the proposed method versus other baseline competitors.
Channel Interference Sensing Transformer for Spread Spectrum Communications with Attention Mechanism
2023-06-01
3254550 byte
Conference paper
Electronic Resource
English
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