Modeling 3GPP LTE Advanced DRX Mechanism Under Multimedia Traffic

Author

Ke Wang ; Xi Li ; Hong Ji

Author_Institution

Key Lab. of Universal Wireless Commun., Beijing Univ. of Posts & Telecommun., Beijing, China

Volume

18

Issue

7

fYear

2014

fDate

Jul-14

Firstpage

1238

Lastpage

1241

Abstract

The discontinuous reception (DRX) mechanism is adopted in the Long Term Evolution Advanced (LTE-A) system as a core technology to lower the power consumption of user equipment. With the development of Mobile Internet, there is an increasing need to optimize the DRX parameter configuration to accommodate the mobile multimedia applications that exhibit self-similarity. In this letter, we model the LTE-A DRX mechanism under self-similar traffic based on a Discrete Time Semi-Markov Process. With our model, the power saving factor and the expectation of wake-up delay can be accurately estimated for a specific DRX parameter configuration. The accuracy of the proposed model is validated through comparison with simulation results.

Keywords

3G mobile communication; Long Term Evolution; Markov processes; multimedia communication; power consumption; telecommunication traffic; 3GPP LTE advanced DRX mechanism modeling; DRX parameter configuration; LTE-A DRX mechanism; Long Term Evolution Advanced system; discontinuous reception mechanism; discrete semiMarkov process; mobile internet; mobile multimedia; multimedia traffic; power consumption; power saving factor; user equipment; wake-up delay; Internet; Long Term Evolution; Mobile communication; Discontinuous reception; LTE Advanced; discrete time semi-Markov process; multimedia traffic;

fLanguage

English

Journal_Title

Communications Letters, IEEE

Publisher

ieee

ISSN

1089-7798

Type

jour

DOI

10.1109/LCOMM.2014.2323231

Filename

6814810