Decomposed and Distributed Directional Modulation for Secure Wireless Communication
Bin Qiu, Wenchi Cheng, and Wei Zhang

TL;DR
This paper introduces a novel AN-aided decomposed and distributed directional modulation scheme that enhances physical-layer security in wireless communication by exploiting spatial signatures for an additional range dimension of security.
Contribution
It proposes a new D3M scheme that uses decomposed and distributed signals with orthogonal branches, improving security beyond angle dependence and minimizing transmit power.
Findings
Enhanced security demonstrated through simulations
Achieved reliable transmission with minimal power
Superimposed artificial noise effectively masks confidential info
Abstract
Directional modulation and artificial noise (AN)-based methods have been widely employed to achieve physical-layer security (PLS). However, these approaches can only achieve angle-dependent secure transmission. This paper presents an AN-aided decomposed and distributed directional modulation (D3M) scheme for secure wireless communications, which takes advantage of the spatial signatures to achieve an extra range-dimension security apart from the angles. Leveraging decomposed and distributed structure, each of modulated signal is represented by mutually orthogonal in-phase and quadrature branches, which are transmitted by two distributed transmitters to enhance PLS. In particular, we first aim to minimize transmit message power by integrated design of the transmit beamformers, subject to prescribed received signal-to-noise ratio (SNR) for the legitimate user (LU) and no inter-branch…
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.
Taxonomy
TopicsAdvanced Wireless Communication Technologies · Indoor and Outdoor Localization Technologies · Radio Wave Propagation Studies
