Abstract
In this paper, we propose an ergodic interference steering (IS) method for interference elimination in co-existing radar-communication systems that consists of a Phased Array (PA) radar and multi-user multiple-input multiple-output (MIMO) communication systems. Although ergodic interference alignment (IA) method have been proposed to cancel the mutual interferences, it need to invest additional transmitted signal power at the transmitter. Differently, our proposed ergodic IS allows to reduce the cost of total transmit power. In addition, we exploit the proposed integrated architecture to ensure efficient radar detection performance. The proposed method is evaluated by detection probability for radar functionality, while the communication functionality is examined by bit error rate (BER). Simulation results validate that comparing with the ergodic IA method, the proposed ergodic IS method can achieve 10% reduction in transmitting power.
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