Analysis of Collaborative Beamforming for Wireless Sensor Networks with Phase Offset

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dc.contributor.authorXiaofeng, Shen
dc.contributor.authorJiyan, Huang
dc.contributor.authorPeng, Liu
dc.contributor.authorPan, Yijiang
dc.contributor.authorXu, Baogen
dc.contributor.authorRao, Zhongchu
dc.coverage.issue1cs
dc.coverage.volume23cs
dc.date.accessioned2014-12-09T12:04:27Z
dc.date.available2014-12-09T12:04:27Z
dc.date.issued2014-04cs
dc.description.abstractCollaborative beamforming has been widely used in wireless sensor networks to improve the directivity of signals in long-distance transmission. The performance of collaborative beamforming has been well analyzed for the case without phase offset in the literature. However, the phase ambiguity caused by carrier phase jitter or offset between the transmitter and receiver nodes always exists in a practical system. Although the effects of imperfect phase have been studied for Uniform node distribution and Tikhonov phase noise model, the performance analysis of collaborative beamforming with arbitrary node distributions and any phase offset which may have various probability density functions (PDFs) depending on phase-locked loop circuits is still an open issue. This paper proposes a unified method to evaluate the performance of collaborative beamforming in the case of phase noise. Since non-parametric kernel method is used to build the PDFs of node and phase offset, the proposed non-parametric approach can provide accurate performance analysis for various node and phase noise distributions which may or may not be represented by explicit PDF functions. Computer simulation is conducted to verify validity of the proposed method.en
dc.formattextcs
dc.format.extent421-429cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2014, vol. 23, č. 1, s. 421-429. ISSN 1210-2512cs
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/36435
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2014/14_01_0421_0429.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectCollaborative beamformingen
dc.subjectwireless sensor networksen
dc.subjectkernel methoden
dc.subjectnode distributionsen
dc.subjectphase offseten
dc.subjectperformance analysisen
dc.titleAnalysis of Collaborative Beamforming for Wireless Sensor Networks with Phase Offseten
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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