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Energy Efficient Multimedia Delivery Services over LTE/LTE-A

Chadi KHIRALLAH, Dragan RASTOVAC, Dejan VUKOBRATOVIC, John THOMPSON

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Summary :

Mobile video services are becoming a dominant traffic category in emerging fourth generation (4G) cellular networks such as the 3GPP Long-Term Evolution (LTE) and LTE-Advanced (LTE-A). In particular, mobile video unicasting services based on 3GPP Dynamic Adaptive Streaming over HTTP (DASH) and multicasting/broadcasting services based on 3GPP evolved Multimedia Multicast/Broadcast Service (eMBMS) will require considerable resources for high-quality service delivery with high coverage probability. Faced with the challenge of energy efficient multimedia service provisioning over LTE/LTE-A, in this paper, we present simple analytical tools for evaluation of average service data rates, bandwidth and energy-consumption requirements applicable for different multimedia delivery services and LTE/LTE-A radio access network (RAN) configurations. Moreover, we introduce and evaluate novel energy and bandwidth performance measures defined per unit of service. As a result, we are able to compare the efficiency of different multimedia service delivery configurations over LTE/LTE-A. In particular, in this paper, as a running example we focus on eMBMS and compare the Energy of Service (EoS) of the two macro-cellular LTE/LTE-A configurations recently proposed in 3GPP: i) a single frequency network eMBMS (SFN-eMBMS), and ii) a single-cell eMBMS (SC-eMBMS). Furthermore, we extend this analysis to eMBMS provisioning over Heterogeneous Networks (HetNets) environment. However, the methodology presented is general and targets light-weight system design and comparison of bandwidth/energy costs of different LTE/LTE-A multimedia service delivery configurations.

Publication
IEICE TRANSACTIONS on Communications Vol.E97-B No.8 pp.1504-1513
Publication Date
2014/08/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E97.B.1504
Type of Manuscript
Special Section INVITED PAPER (Special Section on EU's FP7 ICT R&D Project Activities on Future Broadband Access Technologies in Conjunction with Main Topics of 2013 IEICE ICT Forum)
Category

Authors

Chadi KHIRALLAH
  The University of Edinburgh
Dragan RASTOVAC
  University of Novi Sad
Dejan VUKOBRATOVIC
  University of Novi Sad
John THOMPSON
  The University of Edinburgh

Keyword

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