期刊
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY
卷 12, 期 12, 页码 2957-2970出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIFS.2017.2725823
关键词
Jamming; beamforming; reciprocity; massive MIMO; time-division duplex
资金
- Swedish Research Council
- ELLIIT
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.
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