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Open AccessJournal ArticleDOI

A Vector Approach for the Analysis and Synthesis of Directional Modulation Transmitters

TLDR
In order to formalize and extend on previous ad-hoc analysis and synthesis methods a theoretical treatment using vector representations of directional modulation systems is introduced and used to achieve DM transmitter characteristics.
Abstract
In order to formalize and extend on previous ad-hoc analysis and synthesis methods a theoretical treatment using vector representations of directional modulation (DM) systems is introduced and used to achieve DM transmitter characteristics. An orthogonal vector approach is proposed which allows the artificial orthogonal noise concept derived from information theory to be brought to bear on DM analysis and synthesis. The orthogonal vector method is validated and discussed via bit error rate (BER) simulations.

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Posted Content

Regional Robust Secure Precise Wireless Transmission Design for Multi-user UAV Broadcasting System.

TL;DR: Simulation results show that the proposed regional robust SPWT design is capable of substantially improving the secrecy rate compared to the conventional non-robust method.
Journal ArticleDOI

Covert Information Mapped Spatial and Directional Modulation toward Secure Wireless Transmission.

TL;DR: In this article, a joint design of spatial and direction modulation (SDM) and covert information mapping (CIM) was proposed to improve the robustness of CIM-SDM.
Journal ArticleDOI

Efficient Secure Communication in 4-D Antenna Arrays Through Joint Space–Time Modulation

TL;DR: In this paper , the authors proposed a joint space-time modulation (JSTM) for improving the transmission efficiency of secure communication by using 4-D antenna arrays, which is able to improve the overall gain of the 4D arrays close to that of the phased arrays while ensuring good security performance.

Compact Stacked-Patch Antenna for Directional Modulation in Azimuth and Elevation Planes

TL;DR: In this article , the authors proposed a compact stacked-patch antenna capable of beam-steering in the vertical and horizontal directions, using a structure of 0.56λ diameter, which offers a unidirectional beamsteering across the entire xy-plane, with a scanning range of 118° and 112° in the xz and yz-planes, respectively.
Book ChapterDOI

Sparse Planar Antenna Array Design for Directional Modulation

TL;DR: This work extends the DM design to sparse planar antenna arrays and provides the corresponding design formulations, and the corresponding optimised antenna locations are shown explicitly.
References
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Book

Antenna Theory: Analysis and Design

TL;DR: The most up-to-date resource available on antenna theory and design as mentioned in this paper provides an extended coverage of ABET design procedures and equations making meeting ABET requirements easy and preparing readers for authentic situations in industry.
Journal ArticleDOI

Guaranteeing Secrecy using Artificial Noise

TL;DR: This paper considers the problem of secret communication between two nodes, over a fading wireless medium, in the presence of a passive eavesdropper, and assumes that the transmitter and its helpers (amplifying relays) have more antennas than the eavesdroppers.
Proceedings ArticleDOI

On the Extended Relationships Among EVM, BER and SNR as Performance Metrics

TL;DR: The error vector magnitude (EVM) bit error rate (BER) and signal to noise ratio (SNR) and the fact that with such relationship it would be possible to predict or in cases substitute EVM in places of BER or even SNR is presented.
Journal ArticleDOI

Secure Transmission With Artificial Noise Over Fading Channels: Achievable Rate and Optimal Power Allocation

TL;DR: In this paper, an analytical closed-form expression of an achievable secrecy rate was derived for the case of noncolluding eavesdroppers and an upper bound on the secrecy rate is provided.
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