Does Ambient Backscatter Need Additional Regulations?

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

Ambient Backscatter Communication (AmBC) is an emerging ultra-low power communication scheme which enables smart devices to communicate by modulating ambient radio frequency (RF) signals without requiring active RF transmission. AmBC can be interpreted as a spectrum sharing system that AmBC devices share the spectrum with the incumbent wireless broadcast systems. In this paper, we study the impact of AmBC from the incumbent receiver perspective since AmBC introduces a new situation for regulators. In the analysis, we consider a generic Orthogonal Frequency Division Multiplexing based broadcast broadcast system that corresponds to digital audio or video broadcasting or downlink of a mobile communication system. Broadcasting spectrum can be used by unlicensed transmitters in television white space framework. Contrary to the television white space transmitters that always cause interference to the incumbent system, the impact of AmBC depends on the equalization interval of the receiver. The incumbent receiver sees an AmBC device as an additional fast fading multi-path component. AmBC can sometimes even contribute positively to the received signal quality. Our results suggest that in many practical scenarios AmBC systems can co-exist with digital broadcast systems without causing harmful interference.
Original languageEnglish
Title of host publicationIEEE International Symposium on Dynamic Spectrum Access Networks 2018
PublisherIEEE
Number of pages6
ISBN (Electronic)978-1-5386-5191-9
ISBN (Print)978-1-5386-5192-6
DOIs
Publication statusPublished - 2018
MoE publication typeA4 Article in a conference publication
EventIEEE International Symposium on Dynamic Spectrum Access Networks - Seoul, Korea, Republic of
Duration: 22 Oct 201825 Oct 2018

Publication series

NameIEEE International Symposium on Dynamic Spectrum Access Networks
ISSN (Print)2334-3125

Conference

ConferenceIEEE International Symposium on Dynamic Spectrum Access Networks
Abbreviated titleDySPAN
CountryKorea, Republic of
City Seoul
Period22/10/201825/10/2018

Keywords

  • ambient backscatter communication
  • broadcast systems
  • interference
  • spectrum sharing

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    Cite this

    Ruttik, K., Duan, R., Jäntti, R., & Han, Z. (2018). Does Ambient Backscatter Need Additional Regulations? In IEEE International Symposium on Dynamic Spectrum Access Networks 2018 (IEEE International Symposium on Dynamic Spectrum Access Networks). IEEE. https://doi.org/10.1109/DySPAN.2018.8610413