Physical Layer Security Design for FDD IM-OTFS Transmissions Based on Secure Mapping
In this paper, a physical layer security scheme is proposed for index modulation aided orthogonal time frequency space (IM-OTFS) modulation systems working in Frequency Division Duplex (FDD) mode.In FDD Waterproof Connector systems, the channel reciprocity, which is the basic assumption for most physical layer security (PLS) techniques, is not appl