Target Wake Time Scheduling Strategies for Uplink Transmission in IEEE 802.11ax Networks

Yang, Changmok; Lee, Jinmyeong; Bahk, Saewoong

doi:10.1109/wcnc49053.2021.9417269

Cited by 11 publications

(3 citation statements)

References 8 publications

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“…We use 𝑇 inter−slot to denote this inter-slot period. Then, we subdivide 𝑇 inter−slot as many times as the number of stations in time slots of equal size (this is in general agreement with [12]). Each STA is allocated a single slot whose position in the inter-slot period remains the same over the whole simulation.…”

Section: Configuring the Energy-saving Strategiesmentioning

confidence: 61%

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Performance Analysis of MAC Energy-saving Strategies for WLANs

Guérin,

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Guérin Lassous

et al. 2023

Proceedings of the Int'l ACM Conference on Modeling Analysis and Simulation of Wireless and Mobile Systems

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The IEEE 802.11 protocol has become the de facto communication technology for WLANs (Wireless Local Area Networks). While considered reliable and efficient for applications requiring high datarate, IEEE 802.11 is often disregarded for energy-sensitive applications such as IoT (Internet of Things). In fact, the IEEE 802.11 standard and its amendments have introduced several energy-saving mechanisms over the years that are rarely used in practice.In this paper, we consider seven possible energy-saving strategies for the MAC layer of IEEE 802.11. Using two case studies, we evaluate and compare these energy-saving strategies with regard to their network performance and energy saving. We conclude that most of the energy-saving strategies manage to support the levels of workloads considered in our case studies, and at the same time, they succeed to cut energy consumption by a factor ranging from two to eight. In particular, the "DL slot" strategy leads STAs to consume only half (or even less) of what they would without running any strategy, without trading off the attained levels of throughput. The "DL prompt + UL slot" strategy is the most efficient energy-wise, but this can come at the expense of a loss of throughput. CCS CONCEPTS• Networks → Wireless local area networks; Network simulations; Link-layer protocols.

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Section: Configuring the Energy-saving Strategiesmentioning

confidence: 61%

“…Using this model, the authors demonstrate how to configure the parameters of the RAW mechanism in a scenario where STAs have different requirements in terms of throughput and energy consumption. In [12], the authors compare different…”

Section: Related Workmentioning

confidence: 99%

Performance Analysis of MAC Energy-saving Strategies for WLANs

Guérin,

Begin,

Guérin Lassous

et al. 2023

Proceedings of the Int'l ACM Conference on Modeling Analysis and Simulation of Wireless and Mobile Systems

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show abstract

“…Note that these studies mainly aim at maximizing the network throughput in dense scenarios with energy-saving being at most a secondary objective. In the case of individual TWT, Yang, Lee and Bahk (2021) propose to cast TWT as a Time Division Multiple Access problems, to which they apply classical schedulers, such as max-rate or proportional fairness schedulers. Through simulation, the authors demonstrate that TWT enhances throughput, fairness, and energy consumption compared to a WLAN with no MAC energy-saving mechanism, whichever scheduler is chosen.…”

Section: Twtmentioning

confidence: 99%