Power-Saving Mechanism Considering Round-Trip Delay in LTE Systems 


Vol. 38,  No. 12, pp. 1045-1053, Dec.  2013


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  Abstract

In this paper, we propose a new power-saving mechanism (PSM) for Long-Term Evolution (LTE) systems by considering a round-trip delay between a user equipment (UE) and its correspondence node. The proposed PSM changes the order of the operational procedures of the legacy LTE PSM by taking the traffic arrival pattern suffering the round-trip delay into account. After modeling the round-trip delay, we numerically analyze the proposed PSM with respect to energy consumption and buffering delay. Then, we characterize these performances by employing a simple energy-delay tradeoff (EDT) curve according to the operational parameters. The resulting EDT curve clearly shows that the proposed PSM outperforms the legacy LTE PSM in terms of both the energy consumption and buffering delay.

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  Cite this article

[IEEE Style]

H. Choi, "Power-Saving Mechanism Considering Round-Trip Delay in LTE Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 12, pp. 1045-1053, 2013. DOI: .

[ACM Style]

Hyun-Ho Choi. 2013. Power-Saving Mechanism Considering Round-Trip Delay in LTE Systems. The Journal of Korean Institute of Communications and Information Sciences, 38, 12, (2013), 1045-1053. DOI: .

[KICS Style]

Hyun-Ho Choi, "Power-Saving Mechanism Considering Round-Trip Delay in LTE Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 12, pp. 1045-1053, 12. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880