Radio frequency jammer utilizing antenna array

Abstract

A radio frequency (RF) jammer includes a processing circuit, an RF frontend module and an antenna array. The processing circuit has a multi-channel interface, and is configured to transmit N sets of output signals via the multi-channel interface. N is an integer greater than one. The RF frontend module, coupled to the multi-channel interface, is configured to receive the N sets of output signals to generate N sets of RF signals. A phase relationship between RF signals in each set of RF signals is determined according to position information on a target device and a temperature detection result of the RF frontend module. The antenna array, coupled to the RF frontend module, is arranged to receive the N sets of RF signals to emit N beamforming signals directed to the target device.

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