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Appl. Sci. 2017, 7(7), 744; doi:10.3390/app7070744

Performance Analysis of a Burst Transmission Mechanism Using Microsleep Operation for Green IEEE 802.11 WLANs

1
Instituto de Computação (IC), Universidade Estadual de Campinas (UNICAMP), Av. Albert Einstein 1251, 13083-852 Campinas, SP, Brazil
2
Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Parc Mediterrani de la Tecnologia (PMT) - Building B4, Av. Carl Friedrich Gauss 7, 08860 Castelldefels, Barcelona, Spain
3
Dipartimento di Ingegneria e Scienza dell’Informazione (DISI), Università degli Studi di Trento (UNITN), Via Sommarive 9, 38123 Povo, Trento, Italy
This paper is an extended version of our paper published in Palacios-Trujillo, R.; Alonso-Zarate, J.; da Fonseca, N. L. S.; Granelli, F. Maximum Achievable Energy Efficiency of TXOP Power Save Mode in IEEE 802.11ac WLANs. In Proceedings of the IEEE GLOBECOM,Washington, DC, USA, 4–8 December 2016; pp. 1–7.
*
Author to whom correspondence should be addressed.
Academic Editor: Christos Bouras
Received: 16 June 2017 / Revised: 12 July 2017 / Accepted: 14 July 2017 / Published: 21 July 2017
(This article belongs to the Section Computer Science and Electrical Engineering)
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Abstract

This paper evaluates the performance of a burst transmission mechanism using microsleep operation to support high energy efficiency in IEEE 802.11 Wireless Local Area Networks (WLANs). This mechanism is an implementation of the IEEE 802.11ac Transmission Opportunity Power Save Mode (TXOP PSM). A device using the TXOP PSM-based mechanism can switch to a low-power sleep state for the time that another device transmits a burst of data frames to a third one. This operation is called microsleep and its feasibility strongly depends on the time and energy consumption that a device incurs in the transitions from and to the sleep state. This paper accounts for the impact of these transitions in the derivation of an analytical model to calculate the energy efficiency of the TXOP PSM-based mechanism under network saturation. Results obtained show that the impact of the transition requirements on the feasibility of microsleep operation can be significant depending on the selected system parameters, although it can be reduced by using burst transmissions. When microsleep operation is feasible, the TXOP PSM-based mechanism can improve the energy efficiency of other legacy mechanisms by up to 424% under high traffic loads. View Full-Text
Keywords: Wireless Local Area Network (WLAN); IEEE 802.11; Wi-Fi; IEEE 802.11ac Transmission Opportunity Power Save Mode (TXOP PSM); burst transmission; microsleep operation; energy efficiency; green communications; performance analysis Wireless Local Area Network (WLAN); IEEE 802.11; Wi-Fi; IEEE 802.11ac Transmission Opportunity Power Save Mode (TXOP PSM); burst transmission; microsleep operation; energy efficiency; green communications; performance analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Palacios-Trujillo, R.; Fonseca, N.L.S.; Alonso-Zarate, J.; Granelli, F. Performance Analysis of a Burst Transmission Mechanism Using Microsleep Operation for Green IEEE 802.11 WLANs. Appl. Sci. 2017, 7, 744.

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