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

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We present a method for jamming a time-division duplex link using a transceiver with a large number of antennas. By utilizing beamforming, a jammer with $M$ antennas can degrade the… Click to show full abstract

We present a method for jamming a time-division duplex link using a transceiver with a large number of antennas. By utilizing beamforming, a jammer with $M$ antennas can degrade the spectral efficiency of the primary link more than conventional omnidirectional jammers under the same power constraint, or perform equally well with approximately $1/M$ of the output power. The jammer operates without any prior knowledge of channels to the legitimate transmitters, or the legitimate signals by relying on channel reciprocity.

Keywords: link using; point; reciprocity; tex math; inline formula

Journal Title: IEEE Transactions on Information Forensics and Security
Year Published: 2017

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