基于闭集协议的非合作通信盲识别与解码技术研究
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电信科学技术第四研究所有限公司,西安710061

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Research on Blind Recognition and Decoding Technology for Non-cooperative Communications Based on Closed-Set Protocols
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The Fourth Institute of Telecommunications Science and Technology Co., Ltd, Xi’an 710061, China

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    摘要:

    非合作通信中,编码方式的盲识别与后续解码环节通常被割裂研究,且现有深度学习模型在多协议场景的低信噪比条件下鲁棒性不足。针对此问题,本文提出一种时间卷积网络(Temporal convolutional network, TCN)-双向门控循环单元(Bidirectional gated recurrent unit, BiGRU)-attention深度学习混合模型,构建了一体化盲解码框架。选取4类协议对应的5种编码方式构建实验数据集进行验证,结果表明:低信噪比条件下,本文模型的编码识别准确率与抗噪鲁棒性显著优于现有对比模型;基于识别结果进行的IEEE 802.16协议低密度奇偶校验(Low-density parity-check,LDPC)码解码实验,进一步验证了一体化方案的有效性。

    Abstract:

    Blind decoding is the core technique to recover the original data sequence without any prior information in non-cooperative communication scenarios. However, the absence of prior information poses severe challenges to blind decoding, making the integrated implementation of blind recognition of channel coding scheme and blind decoding a critical and urgent problem to be solved in this field. In current wireless communication systems, limited and fixed standard protocols are widely adopted, and specific protocols have a strong binding relationship with their corresponding channel coding schemes. Therefore, the coding scheme adopted by the communication system can be inferred through the blind recognition of the communication protocol. To address the above challenges, this paper proposes a novel hybrid deep learning network model, and constructs an integrated solution for blind recognition of channel coding and blind decoding. Numerical experimental results demonstrate that, under low signal-to-noise ratio regimes, the proposed model achieves higher recognition accuracy of channel coding and stronger anti-noise robustness compared with conventional schemes. This work provides a new technical approach for the research of blind decoding technology, and also supplies theoretical and experimental support for engineering applications in the field of information countermeasures.

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常雨涵,李孝荣,赵宏锋.基于闭集协议的非合作通信盲识别与解码技术研究[J].数据采集与处理,2026,(4):1089-1102

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  • 收稿日期:2025-10-26
  • 最后修改日期:2026-06-05
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  • 在线发布日期: 2026-08-13