Quantum Backscatter Communication: A New Paradigm

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Details

Original languageEnglish
Title of host publicationProceedings of 2018 15th International Symposium on Wireless Communication Systems (ISWCS)
Publication statusPublished - 2018
MoE publication typeA4 Article in a conference publication
EventInternational Symposium on Wireless Communication Systems - Lisbon, Portugal
Duration: 28 Aug 201831 Aug 2018
Conference number: 15

Publication series

NameInternational Symposium on Wireless Communication Systems
ISSN (Print)2154-0217
ISSN (Electronic)2154-0225

Conference

ConferenceInternational Symposium on Wireless Communication Systems
Abbreviated titleISWCS
CountryPortugal
CityLisbon
Period28/08/201831/08/2018

Researchers

Research units

  • Dahlem Center for Complex Quantum Systems, Freie Universität Berlin

Abstract

In this paper, we propose a novel quantum backscatter communications (QBC) protocol, inspired by the quantum illumination (QI) concept. In the QBC paradigm, the transmitter generates entangled photon pairs. The signal photon is transmitted and the idler photon is kept at the receiver. The tag antenna communicates by performing the pulse amplitude modulation (PAM), binary phase shift keying (BPSK) or quadratic phase shift keying (QPSK) on the signal impinging at the antenna. Using the sum-frequency-generation receiver, our QBC protocol achieves a 6 dB error exponent gain for PAM and BPSK, and 3 dB gain for QPSK over its classical counterpart. Finally, we discuss the QI-enhanced secure backscatter communication.

    Research areas

  • Quantum communication, backscatter communication, quantum illumination, error probability exponent

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