Low Probability of Detection Wireless Communications

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The objective of this project is to establish the fundamental underpinningsof low probability of detection (LPD) communication systems operating overclassical or quantum mechanical channels. This provides a transformativeimpact in two ways: (1) establishing a new approach that transforms thelargely dormant (and socially compelling) area of LPD communications;(2) introducing and developing the foundations of the LPD optical channel,which requires quantum mechanical considerations.Intellectual merit:The intellectual merit is based on a fundamental approach to the LPDcommunications problem that employs a broad array of tools to establisha new branch in the large field of wireless communications security.This project will also demonstrate the intellectual richness of thesecurity problem that arises when quantum mechanical considerationsare considered in optical communications. Tools from classicalcommunications and networks, in particular information theory, mixwith tools from quantum information systems.Broader impacts:The broader impacts are focused on impacting society and education.The hiding of the existence of transmissions while still communicatingreliably has clear application in both military and civilian societalcontexts. The results of this project will allow communicating partiesand those whom attempt to detect them to understand the fundamentallimits on such communication and techniques to achieve those limits.Finally, the project includes an integrated program of educationalengagement that utilizes the extensive resources of both UMass-Amherstand BBN, with the latter contributing both theoretical expertiseand experimental facilities for quantum information processingthat will provide a unique opportunity for UMass students.