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Mode selection schemes for unicasting device-to-device communications supported by network coding
KTH, Skolan för elektroteknik och datavetenskap (EECS), Reglerteknik. Ericsson Res, Stockholm, Swede.ORCID-id: 0000-0002-2289-3159
2018 (Engelska)Ingår i: International Journal of Communication Systems, ISSN 1074-5351, E-ISSN 1099-1131, Vol. 31, nr 11, artikel-id e3594Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Device-to-device (D2D) communication in a cellular spectrum increases the spectral and energy efficiency of local communication sessions, while also taking advantage of accessing licensed spectrum and higher transmit power levels than when using unlicensed bands. To realize the potential benefits of D2D communications, appropriate mode selection algorithms that select between the cellular and D2D communication modes must be designed. On the other hand, physical-layer network coding (NWC) at a cellular base stationwhich can be used without D2D capabilitycan also improve the spectral efficiency of a cellular network that carries local traffic. In this paper, we ask whether cellular networks should support D2D communications, physical-layer NWC, or both. To this end, we study the performance of mode selection algorithms that can be used in cellular networks that use physical-layer NWC and support D2D communications. We find that the joint application of D2D communication and NWC scheme yields additional gains compared with a network that implements only one of these schemes, provided that the network implements proper mode selection and resource allocation algorithms. We propose 2 mode selection schemes that aim to achieve high signal-to-interference-plus-noise ratio and spectral efficiency, respectively, and take into account the NWC and D2D capabilities of the network.

Ort, förlag, år, upplaga, sidor
Wiley , 2018. Vol. 31, nr 11, artikel-id e3594
Nyckelord [en]
cellular networks, device-to-device communications, network coding, radio resource management
Nationell ämneskategori
Telekommunikation
Identifikatorer
URN: urn:nbn:se:kth:diva-240207DOI: 10.1002/dac.3594ISI: 000435785600010Scopus ID: 2-s2.0-85046378553OAI: oai:DiVA.org:kth-240207DiVA, id: diva2:1272022
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QC 20181218

Tillgänglig från: 2018-12-18 Skapad: 2018-12-18 Senast uppdaterad: 2018-12-18Bibliografiskt granskad

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