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dc.contributor.authorSim, Gek Hong 
dc.contributor.authorAsadi, Arash 
dc.contributor.authorLoch, Adrian 
dc.contributor.authorHollick, Matthias
dc.contributor.authorWidmer, Joerg 
dc.date.accessioned2021-07-13T09:28:14Z
dc.date.available2021-07-13T09:28:14Z
dc.date.issued2017-01-04
dc.identifier.urihttp://hdl.handle.net/20.500.12761/308
dc.description.abstractThe directionality of millimeter-Wave (mm-Wave) communication results in challenging network dynamics and thus complex system design. A key problem with such networks is human blockage, which is highly detrimental since absorption at mm-Wave frequencies is extremely high. This poses a significant challenge for the state-of-the-art technologies in 5G networks such as Device-to-Device (D2D) communication. Essentially, the aforementioned dynamics hinder direct communication between devices. Existing protocols in the mm-Wave band such as IEEE 802.11ad address this problem using relays. However, the complexity relay discovery in these protocols grows linearly with the number of users, Hence, these approaches are infeasible for crowded areas such as malls or busy pedestrian streets. In this paper, we present a lightweight relaying mechanism called Opp-Relay that builds on the existing D2D features of the 3GPP standard to opportunistically discover an mm-Wave enabled relay. Specifically, we provide an algorithm to compute the optimal beamwidth for opportunistic discovery of a relay in dense and dynamic network environments. We validate our approach in practice using our experimental testbed operating in the 60 GHz band. Our experiments demonstrate that choosing a suitable beamwidth to discover and communicate with a relay node is crucial. Moreover, we show that our relaying mechanism significantly reduces the complexity of relay discovery.
dc.language.isoeng
dc.titleOpp-Relay: Managing Directionality and Mobility Issues of Millimeter-Wave via D2D Communicationen
dc.typeconference object
dc.conference.date4-8 January 2017
dc.conference.placeBangalore, India
dc.conference.titleThe 9th International Conference on COMmunication Systems and NETworkS (COMSNETS 2017)*
dc.event.typeconference
dc.pres.typepaper
dc.type.hasVersionVoR
dc.rights.accessRightsopen access
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttp://eprints.networks.imdea.org/id/eprint/1503


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