Full-Duplex Backscatter Interference Networks Based on Time-Hopping Spread Spectrum

dc.contributor.authorLiu, Wanchunen_AU
dc.contributor.authorHuang, Kaibinen_AU
dc.contributor.authorZhou, Xiangyunen_AU
dc.contributor.authorDurrani, Salmanen_AU
dc.date.accessioned2018-09-21T03:06:43Z
dc.date.available2018-09-21T03:06:43Z
dc.date.created2017en_AU
dc.description.abstractFuture Internet-of-Things (IoT) is expected to wirelessly connect billions of low-complexity devices. For wireless information transfer (IT) in IoT, high density of IoT devices and their ad hoc communication result in strong interference which acts as a bottleneck on wireless IT. Furthermore, battery replacement for the massive number of IoT devices is difficult if not infeasible, making wireless energy transfer (ET) desirable. This motivates: (i) the design of full-duplex wireless IT to reduce latency and enable efficient spectrum utilization, and (ii) the implementation of passive IoT devices using backscatter antennas that enable wireless ET from one device (reader) to another (tag). However, the resultant increase in the density of simultaneous links exacerbates the interference issue. This issue is addressed in this paper by proposing the design of full-duplex backscatter communication (BackCom) networks, where a novel multiple-access scheme based on time-hopping spread-spectrum (TH-SS) is designed to enable both one-way wireless ET and two-way wireless IT in coexisting backscatter reader-tag links. Comprehensive performance analysis of BackCom networks is presented in this paper, including forward/backward bit-error rates and wireless ET efficiency and outage probabilities, which accounts for energy harvesting at tags, non-coherent and coherent detection at tags and readers, respectively, and the effects of asynchronous transmissions.en_AU
dc.description.sponsorshipARC Discovery Projects Grant DP140101133en_AU
dc.format.extent17 pagesen_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn1536-1276en_AU
dc.identifier.urihttp://hdl.handle.net/1885/147769
dc.language.isoen_AUen_AU
dc.provenancehttps://www.ieee.org/publications/rights/index.html#ieee-open-access..."The revised policy reaffirms the principle that authors are free to post the accepted version of their articles on their personal websites or those of their employers." from SHERPA/RoMEO site (as at 10/09/18).en_AU
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en_AU
dc.relationhttp://purl.org/au-research/grants/arc/DP140101133en_AU
dc.rightsIEEEen_AU
dc.sourceIEEE Transactions on Wireless Communicationsen_AU
dc.subjectBackscatter communication, wireless energy transfer, multiple-access technique, interference network, spreadspectrum communication.en_AU
dc.titleFull-Duplex Backscatter Interference Networks Based on Time-Hopping Spread Spectrumen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue7en_AU
local.bibliographicCitation.lastpage4377en_AU
local.bibliographicCitation.startpage4361en_AU
local.contributor.affiliationZhou, Xiangyun, Research School of Engineering, The Australian National Universityen_AU
local.contributor.authoremailxiangyun.zhou@anu.edu.auen_AU
local.contributor.authoruidZhou, Xiangyun (Sean), u2586105en_AU
local.identifier.citationvolume16en_AU
local.identifier.doi10.1109/TWC.2017.2697864en_AU
local.identifier.uidSubmittedByu1027010en_AU
local.publisher.urlhttp://www.ieee.org/index.htmlen_AU
local.type.statusAccepted Versionen_AU

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