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Joint Opportunistic Scheduling of Cellular and Device-to-Device Communications
Federal University of Ceará (UFC). (h Wireless Telecom Research Group (GTEL))
Federal University of Ceará (UFC). (h Wireless Telecom Research Group (GTEL))
Federal University of Ceará (UFC). (h Wireless Telecom Research Group (GTEL))
KTH, School of Electrical Engineering (EES), Network and Systems engineering.ORCID iD: 0000-0002-4503-4242
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2017 (English)In: Journal of communication and information systems, ISSN 1980-6604Article in journal (Refereed) Published
Abstract [en]

The joint scheduling of cellular and D2D communications to share the same radio resource is a complex task.

In one hand, D2D links provide very high throughputs. In the other hand, the intra-cell interference they cause impacts on the performance of cellular communications.

Therefore, designing algorithms and mechanisms that allow an efficient reuse of resources by the D2D links with a reduced impact on cellular communications is a key problem.

In general, traditional Radio Resource Management (RRM) schemes (D2D grouping and mode selection) focus on finding the most compatible D2D pair for an already scheduled cellular User Equipment (UE).

However, such approach limits the number of possible combinations to form the group (composed by a cellular UE and a D2D pair) to be scheduled in the radio resource.

To overcome that, in this work a unified Joint Opportunistic Scheduling (JOS) of cellular and D2D communications, which is able to improve the total system throughput by exploiting the spatial compatibility among cellular and D2D UEs, is proposed.

But more complexity is brought to the scheduling problem.

Thus, a low-complexity suboptimal heuristic Joint Opportunistic Assignment and Scheduling (JOAS) is also elaborated.

Results show that it is possible to reduce the computational complexity but still improve the overall performance in terms of cellular fairness and total system throughput with less impact on cellular communications.

Place, publisher, year, edition, pages
Brazil: Journal of Communication and Information Systems , 2017.
Keywords [en]
LTE; device-to-device communications; D2D; radio resource management; RRM; proportional fair; grouping; mode selection; joint opportunistic scheduling
National Category
Telecommunications
Research subject
Telecommunication
Identifiers
URN: urn:nbn:se:kth:diva-220520DOI: 10.14209/jcis.2017.7OAI: oai:DiVA.org:kth-220520DiVA, id: diva2:1168799
Note

QC 20180312

Available from: 2017-12-21 Created: 2017-12-21 Last updated: 2018-03-12Bibliographically approved

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Publisher's full texthttps://jcis.sbrt.org.br/jcis/article/view/458

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