A cognitive radio-based fully blind multihop rendezvous protocol for unknown environments

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dc.contributor.authorGhafoor, Saim
dc.contributor.authorSreenan, Cormac J.
dc.contributor.authorBrown, Kenneth N.
dc.date.accessioned2022-04-01T14:23:15Z
dc.date.available2022-04-01T14:23:15Z
dc.date.issued2020-07-19
dc.date.updated2022-04-01T08:42:38Z
dc.description.abstractIn Cognitive Radio networking, the blind rendezvous problem is when two or more nodes must establish a link, but where they have no predefined schedule or common control channel for doing so. The problem becomes more challenging when the information about the existence of other nodes in the network, their topology, and primary user activity are also unknown, identified here as a fully blind rendezvous problem. In this paper, a novel and fully blind multihop (FBM) rendezvous framework is proposed with an extended modular clock algorithm (EMCA). The EMCA-FBM is a fully blind multihop rendezvous protocol as it assumes the number of nodes, primary radio activity and topology information as unknown. It is shown to work with different Cognitive Radio operating policies to achieve adaptiveness towards the unknown primary radio activity, and self-organization for autonomously handling the rendezvous process by using transmission schedules. It is capable of working without any information of neighbor nodes and terminating the rendezvous process whenever all or sufficient nodes are discovered. The proposed FBM is also shown to work as a general framework to extend existing single hop rendezvous protocols to work as a multihop rendezvous protocol. In comparison with other modified blind rendezvous strategies for multihop network, the combination of the proposed EMCA-FBM protocol and operating policies is shown to be effective in improving the average time to rendezvous (up to 70%) and neighbor discovery accuracy (almost 100%) while reducing harmful interference.en
dc.description.sponsorshipScience Foundation Ireland (SFI under the CTVR (SFI 10/CE/I1853), CONNECT (13/RC/2077) and INSIGHT (SFI/12/RC/2289 P2) grants)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid102261en
dc.identifier.citationGhafoor, S., Sreenan, C. J. and Brown, K. N. (2020) 'A cognitive radio-based fully blind multihop rendezvous protocol for unknown environments', Ad Hoc Networks, 107, 102261 (18 pp). doi: 10.1016/j.adhoc.2020.102261en
dc.identifier.doi10.1016/j.adhoc.2020.102261en
dc.identifier.endpage18en
dc.identifier.issn1570-8705
dc.identifier.journaltitleAd Hoc Networksen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/13026
dc.identifier.volume107en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/13/RC/2077/IE/CONNECT: The Centre for Future Networks & Communications/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2289/IE/INSIGHT - Irelands Big Data and Analytics Research Centre/en
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S1570870519309813
dc.rights© 2020 Elsevier B.V. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectBlind rendezvousen
dc.subjectCognitive radio networksen
dc.subjectDisaster response networksen
dc.subjectFully blind rendezvousen
dc.subjectMultihop rendezvousen
dc.subjectOperating policiesen
dc.subjectUnknown environmentsen
dc.titleA cognitive radio-based fully blind multihop rendezvous protocol for unknown environmentsen
dc.typeArticle (peer-reviewed)en
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