On the Resilience of 5G NR Against Jamming

• URL: http://arxiv.org/abs/2607.29384v1
• Date: Fri, 31 Jul 2026 13:05:06 GMT
• Title: On the Resilience of 5G NR Against Jamming
• Abstract summary: We implement and release an open-source 5G jammer within the ns-3 simulator.<n>We compare the impact of cellular jamming across different dimensions such as cellular technologies, frequencies, subcarrier spacing, and channel bandwidth.
• Score: 2.1639459844313564
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: With the increasing use of 5G networks in availability-critical systems, including industrial networks and critical infrastructure, a comprehensive understanding of their resilience to cellular jamming has become imperative. However, research so far has focused on isolated evaluations under fixed 5G physical-layer configurations, making it difficult to perform sound comparisons, for example, to identify differences between frequency bands or channel bandwidths w.r.t. jamming resilience. To fill this gap, we implement and release an open-source 5G jammer within the ns-3 simulator. Leveraging the controllable determinism of simulation, we compare the impact of cellular jamming across different dimensions such as cellular technologies, frequencies, subcarrier spacing, and channel bandwidth. Our results show that while cellular technology and subcarrier spacing have little impact, channel bandwidth and frequency range play a critical role in improving jamming resilience.

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