Secure Wireless Communication Using Coherent Distributed Transmission and Spatial Signal Decomposition
Anton Schlegel, Jason M/ Merlo, Samuel Wagner, John B. Lancaster, Jeffrey A. Nanzer

TL;DR
This paper introduces a novel secure wireless communication method using coherent distributed transmission and spatial signal decomposition, confining information to a specific spatial region and enhancing security over traditional beamforming.
Contribution
The paper proposes a new technique employing spatially decomposed signals in a two-element array for secure, coherent wireless transmission, validated through simulation and experiments.
Findings
Achieves low SER of 0.0082 at the intended receiver broadside.
Creates a spatially confined secure region with high SER outside the target area.
Outperforms traditional beamforming in spatial security confinement.
Abstract
We present a new approach to secure wireless communications using coherent distributed transmission of signals that are spatially decomposed between a two-element distributed antenna array. High-accuracy distributed coordination of microwave wireless systems supports the ability to transmit different parts of a signal from separate transmitters such that they combine coherently at a designated destination. In this paper we explore this concept using a two-element coherent distributed phased array where each of the two transmitters sends a separate component of a communication signal where each symbol is decomposed into a sum of two pseudo-random signal vectors, the coherent summation of which yields the intended symbol. By directing the transmission to an intended receiver using distributed beamforming, the summation of the two vector components is largely confined to a spatial region…
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Taxonomy
TopicsWireless Communication Security Techniques · Advanced MIMO Systems Optimization · Advanced Wireless Communication Technologies
