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<p>This work analyses the secrecy performance of Non-Orthogonal Multiple Access (NOMA) systems under malicious eavesdropping. Targeting energy scarcity issue in wireless nodes, we propose energy harvesting (EH) based on Co-Channel Interference (CCI) for these systems, eventually forming NOMA networks with CCI-based EH (NOCEwJ), where authorized/jamming transmitter (AT/JT) is powered solely by energy harvested from CCI. Also, utilizing full-duplex (FD) capability, AT/JT performs simultaneous EH and signal transmission/jamming for higher security and energy efficiency. Our analysis yields exact closed-form representations characterizing secrecy capability assuming Nakagami-<i>m</i> fading and incorporating effects of residual self-interference (RSI). Computer simulations demonstrate that NOCEwJ outperforms the standard model - orthogonal multiple access networks with CCI-based EH. Notably, the study demonstrates that strong CCI, conventionally a performance-limiting factor, serves as a significant green energy resource, thereby improving both secure transmission and jamming efficacy.</p>

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Jamming for Security in Full-Duplex-enabled NOMA Networks with Co-Channel Interference Based Energy Harvesting

  • 期刊论文

  • 发表日期：

    2026年7月8日

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  • Hoan Tran,
  • Khuong Ho-Van,
  • Pham Ngoc Son

摘要

This work analyses the secrecy performance of Non-Orthogonal Multiple Access (NOMA) systems under malicious eavesdropping. Targeting energy scarcity issue in wireless nodes, we propose energy harvesting (EH) based on Co-Channel Interference (CCI) for these systems, eventually forming NOMA networks with CCI-based EH (NOCEwJ), where authorized/jamming transmitter (AT/JT) is powered solely by energy harvested from CCI. Also, utilizing full-duplex (FD) capability, AT/JT performs simultaneous EH and signal transmission/jamming for higher security and energy efficiency. Our analysis yields exact closed-form representations characterizing secrecy capability assuming Nakagami-m fading and incorporating effects of residual self-interference (RSI). Computer simulations demonstrate that NOCEwJ outperforms the standard model - orthogonal multiple access networks with CCI-based EH. Notably, the study demonstrates that strong CCI, conventionally a performance-limiting factor, serves as a significant green energy resource, thereby improving both secure transmission and jamming efficacy.