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Multi-user dual-function radar-communications exploiting sidelobe control and waveform diversity

Dual-function radar-communications technology has attracted significant attention in recent years. In this paper, we propose a novel technique for embedding communication information in radar waveforms by exploiting sidelobe control and waveform diversity. The proposed strategy can serve multi­ple communication receivers located in the sidelobe region. In addition to information broadcasting, the proposed approach enables multi-user access, i.e., transmitting distinct information streams to the communication receivers located in different directions. The developed technique also serves as a generalized mathematical framework for the existing sidelobe control-based techniques.