Energy-efficient and QoS-aware discontinuous reception using a multi-cycle mechanism in 3GPP LTE/LTE-advanced

Chiapin Wang, Chi Ming Li, Kuo Chang Ting

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In the paper we present a novel energy-efficient and Quality-of-Service (QoS)-aware Discontinuous Reception (DRX) scheme by using a multi-cycle mechanism for the Long Term Evolution (LTE) networks. The proposed scheme is capable of improving the power-saving efficiency while simultaneously meeting the specific QoS requirements by dynamically tuning the DRX parameters according to the traffic intensity. It is a table-driven method which off-line pre-establishes the optimal DRX parameters corresponding to the traffic intensities and different QoS requirements such as the packet delays and packet loss rates based on a theoretical analysis approach. At runtime, the DRX parameters of each User Equipment (UE) can be determined optimally with a simple table lookup without spending much computational time and resource. The analytical model is validated against simulation experiments. Based on the analysis results, the power-saving efficiency of our proposed multi-cycle DRX scheme can be effectively boosted by about 37 % comparing to that of the typical DRX scheme while simultaneously meeting the specific QoS requirements like the packet delays and packet loss rates under the scenarios with different traffic intensities.

Original languageEnglish
Pages (from-to)599-615
Number of pages17
JournalTelecommunication Systems
Volume64
Issue number4
DOIs
Publication statusPublished - 2017 Apr 1

Fingerprint

Long Term Evolution (LTE)
Quality of service
Packet loss
Table lookup
Telecommunication traffic
Analytical models
Tuning
Experiments

Keywords

  • Discontinuous reception (DRX)
  • Energy efficiency
  • Long term evolution (LTE)
  • Quality of service (QoS)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Energy-efficient and QoS-aware discontinuous reception using a multi-cycle mechanism in 3GPP LTE/LTE-advanced. / Wang, Chiapin; Li, Chi Ming; Ting, Kuo Chang.

In: Telecommunication Systems, Vol. 64, No. 4, 01.04.2017, p. 599-615.

Research output: Contribution to journalArticle

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