MAMCA -- Optimal on Accuracy and Efficiency for Automatic Modulation Classification with Extended Signal Length
Yezhuo Zhang, Zinan Zhou, Yichao Cao, Guangyu Li, Xuanpeng, Li

TL;DR
The paper introduces MAMCA, a novel framework for automatic modulation classification that balances high accuracy and efficiency for long signal sequences, addressing noise and computational challenges.
Contribution
It proposes the Selective State Space Model and a denoising unit to improve accuracy and efficiency in long-sequence AMC tasks, a novel combination in this context.
Findings
MAMCA achieves superior recognition accuracy on RML2016.10 dataset.
It reduces computational time and memory usage significantly.
Effective under low signal-to-noise conditions.
Abstract
With the rapid growth of the Internet of Things ecosystem, Automatic Modulation Classification (AMC) has become increasingly paramount. However, extended signal lengths offer a bounty of information, yet impede the model's adaptability, introduce more noise interference, extend the training and inference time, and increase storage overhead. To bridge the gap between these requisites, we propose a novel AMC framework, designated as the Mamba-based Automatic Modulation ClassificAtion (MAMCA). Our method adeptly addresses the accuracy and efficiency requirements for long-sequence AMC. Specifically, we introduce the Selective State Space Model as the backbone, enhancing the model efficiency by reducing the dimensions of the state matrices and diminishing the frequency of information exchange across GPU memories. We design a denoising-capable unit to elevate the network's performance under…
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Taxonomy
TopicsWireless Signal Modulation Classification
