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Energy-efficient scheduling and grouping for machine-type communications over cellular networks
KTH, Skolan för informations- och kommunikationsteknik (ICT), Kommunikationssystem, CoS, Radio Systems Laboratory (RS Lab).ORCID-id: 0000-0003-0125-2202
2016 (Engelska)Ingår i: Ad hoc networks, ISSN 1570-8705, E-ISSN 1570-8713, Vol. 43, s. 16-29Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this paper, energy-efficient scheduling for grouped machine-type devices deployed in cellular networks isinvestigated. We introduce a scheduling-based cooperation incentivescheme which enables machine nodes to organize themselveslocally, create machine groups, and communicate through grouprepresentatives to the base station. This scheme benefits from anovel scheduler design which takes into account the cooperationlevel of each node, reimburses the extra energy consumptionsof group representatives, and maximizes the network lifetime.As reusing cellular uplink resources for communications insidethe groups degrades the Quality of Service (QoS) of theprimary users, analytical results are provided which present atradeoff between maximum allowable number of simultaneouslyactive machine groups in a given cell and QoS of the primaryusers. Furthermore, we extend our derived solutions for theexisting cellular networks, propose a cooperation-incentive LTEscheduler, and present our simulation results in the context ofLTE. The simulation results show that the proposed solutionssignificantly prolong the network lifetime. Also, it is shown thatunder certain circumstances, reusing uplink resource by machinedevices can degrade the outage performance of the primary userssignificantly, and hence, coexistence management of machinedevices and cellular users is of paramount importance for nextgenerations of cellular networks in order to enable group-basedmachine-type communications while guaranteeing QoS for theprimary users.

Ort, förlag, år, upplaga, sidor
Elsevier, 2016. Vol. 43, s. 16-29
Nyckelord [en]
M2M communications, Cooperation, Energy Efficiency, Lifetime, Grouping, Interference.
Nationell ämneskategori
Kommunikationssystem
Forskningsämne
Elektro- och systemteknik; Datalogi
Identifikatorer
URN: urn:nbn:se:kth:diva-181770DOI: 10.1016/j.adhoc.2016.02.005ISI: 000375632200003Scopus ID: 2-s2.0-84960157673OAI: oai:DiVA.org:kth-181770DiVA, id: diva2:899993
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QC 20160609

Tillgänglig från: 2016-02-03 Skapad: 2016-02-03 Senast uppdaterad: 2017-11-30Bibliografiskt granskad

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