Bypassing a Reactive Jammer via NOMA-Based Transmissions in Critical Missions

• URL: http://arxiv.org/abs/2401.10387v2
• Date: Wed, 24 Jan 2024 17:17:36 GMT
• Title: Bypassing a Reactive Jammer via NOMA-Based Transmissions in Critical Missions
• Abstract summary: Wireless networks can be vulnerable to radio jamming attacks. This paper analyzes the effect of a reactive jammer on reliability, average transmission delay, and the effective sum rate (ESR) It is shown that by adjusting the allocated transmit power to UEs by gNB, the gNB can bypass the jammer effect to fulfill the 0.99999 reliability and the latency of 5ms without the need for packet re-transmission.
• Score: 13.784352398504343
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Wireless networks can be vulnerable to radio jamming attacks. The quality of service under a jamming attack is not guaranteed and the service requirements such as reliability, latency, and effective rate, specifically in mission-critical military applications, can be deeply affected by the jammer's actions. This paper analyzes the effect of a reactive jammer. Particularly, reliability, average transmission delay, and the effective sum rate (ESR) for a NOMA-based scheme with finite blocklength transmissions are mathematically derived taking the detection probability of the jammer into account. Furthermore, the effect of UEs' allocated power and blocklength on the network metrics is explored. Contrary to the existing literature, results show that gNB can mitigate the impact of reactive jamming by decreasing transmit power, making the transmissions covert at the jammer side. Finally, an optimization problem is formulated to maximize the ESR under reliability, delay, and transmit power constraints. It is shown that by adjusting the allocated transmit power to UEs by gNB, the gNB can bypass the jammer effect to fulfill the 0.99999 reliability and the latency of 5ms without the need for packet re-transmission.

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