Securing massive MIMO at the physical layer

Jamming a TDD Point-to-Point Link Using Reciprocity-Based MIMO

“…Moreover, jamming of massive MIMO systems has also been analyzed for some specific scenarios [26]- [28]. In [26], [27], massive MIMO technology is used to mitigate jamming, and in [28] the authors discuss the scenario where a single-antenna jammer aims to degrade the performance of a massive MIMO base station as much as possible.…”

Detection and mitigation of jamming attacks in massive MIMO systems using random matrix theory

“…Moreover, due to the large number of degrees of freedom offered in massive MIMO, its robustness to jamming attacks was conjectured in [1]. Indeed, a promising analysis of jamming and eavesdropping attacks was conducted in [2], [3]. It was shown in [3] that the secure degree of freedom achieved in the presence of jamming and eavesdropping attacks is the same as under no attack.…”

“…Indeed, a promising analysis of jamming and eavesdropping attacks was conducted in [2], [3]. It was shown in [3] that the secure degree of freedom achieved in the presence of jamming and eavesdropping attacks is the same as under no attack. Nevertheless, it was pointed out (see, e.g., [2], [3]) that massive MIMO is particularly vulnerable to attacks during the pilot transmission phase making the channel estimation highly degraded.…”

“…It was shown in [3] that a maximum secure degree of freedom is zero when the pilot signals are jammed. In uplink, the impact of smart jamming optimally allocating its power budget to jam the pilot and data transmission was studied in [4] demonstrating a spectacular loss in the sum spectral efficiency when the BS acts as if there is no jamming.…”

“…In downlink transmission, the effect of pilot contamination attacks was analysed in [3]. It was shown in [3] that a maximum secure degree of freedom is zero when the pilot signals are jammed.…”