Two High-Performance Amplitude Beamforming Schemes for Secure Precise Communication and Jamming with Phase Alignment
Lingling Zhu, Feng Shu, Tong Shen

TL;DR
This paper introduces two high-performance amplitude beamforming schemes, Max-RP and leakage, for secure precise wireless communication and jamming, significantly improving secrecy rate and bit-error-rate by optimizing amplitude in phase-aligned artificial noise transmission.
Contribution
It proposes two novel amplitude beamforming schemes, Max-RP and leakage, that outperform conventional methods in secure wireless transmission by optimizing artificial noise focus.
Findings
Max-RP and leakage AB schemes outperform conventional methods in BER and SR.
All three AB schemes can form two main peaks of AN and CM around Eve and Bob.
Proposed schemes achieve better security performance at medium and high SNR regions.
Abstract
To severely weaken the eavesdropper's ability to intercept confidential message (CM), a precise jamming (PJ) idea is proposed by making use of the concept of secure precise wireless transmission (SPWT). Its basic idea is to focus the transmit energy of artificial noise (AN) onto the neighborhood of eavesdropper (Eve) by using random subcarrier selection (RSS), directional modulation, phase alignment (PA), and amplitude beamforming (AB). By doing so, Eve will be seriously interfered with AN. Here, the conventional joint optimization of phase and amplitude is converted into two independent phase and amplitude optimization problems. Considering PJ and SPWT require PA, the joint optimization problem reduces to an amplitude optimization problem. Then, two efficient AB schemes are proposed: leakage and maximizing receive power(Max-RP). With existing equal AB (EAB) as a performance reference,…
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Taxonomy
TopicsWireless Communication Security Techniques · Wireless Signal Modulation Classification · Radar Systems and Signal Processing
