Radar-communication integration: An overview

Radar-communication integration combines radar system and communication system together. These two systems have similar structures, and communication system can take advantage of radar's excellent hardware features if integrated. This technique is still under study and may take decades to achieve practical application. The motivation of such integration is presented in the beginning of this paper. Main approaches including time-sharing, sub-beams and signal-sharing are shown, and the most promising signal-sharing approach is detailed discussed with its three typical realizations. Characteristics, including advantages and disadvantages of these approaches are also analyzed. Three typical integration application scenarios are described in the end of this paper.