System Level Analysis of Dynamic User-Centric Scheduling for a Flexible 5G Design

Klaus I. Pedersen, Maciej Niparko, Jens Steiner, Jakub Oszmianski, Luke Mudolo, Saeed R. Khosravirad

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23 Citationer (Scopus)
355 Downloads (Pure)

Abstrakt

In this paper we present our latest findings on dynamic user-centric scheduling for a flexible 5G radio design, capable of serving users with highly diverse QoS requirements. The benefits of being able to schedule users with different transmission time intervals (TTIs) are demonstrated, in combination with a usercentric multiplexing of control and data channels. The proposed solution overcomes some of the shortcomings of LTE-Advanced in terms of scheduling flexibility and performance. In general it is found that using short TTIs is advantageous at low to medium offered traffic loads for TCP download to faster overcome the slow start phase, while at higher offered traffic loads the best
performance is achieved with longer TTIs. Using longer TTI sizes results in less control overhead (from scheduling grants), and therefore higher spectral efficiency. The presented analysis leads to the conclusion that a future 5G design shall include support for dynamic scheduling with different TTI sizes to achieve the best performance.
OriginalsprogEngelsk
TitelGlobal Communications Conference (GLOBECOM), 2016 IEEE
Antal sider6
ForlagIEEE
Publikationsdatodec. 2016
ISBN (Elektronisk)978-1-5090-1328-9
DOI
StatusUdgivet - dec. 2016
BegivenhedIEEE GLOBECOM 2016 - Washington, DC, USA
Varighed: 4 dec. 20168 dec. 2016
http://globecom2016.ieee-globecom.org/

Konference

KonferenceIEEE GLOBECOM 2016
LandUSA
ByWashington, DC
Periode04/12/201608/12/2016
Internetadresse
NavnGlobecom. I E E E Conference and Exhibition
ISSN1930-529X

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