Dynamic Bandwidth Power Saving Scheme in the Next Generation Wi-Fi 8 


Vol. 50,  No. 2, pp. 268-279, Feb.  2025
10.7840/kics.2025.50.2.268


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  Abstract

In wireless LAN environments, the increasing use of mobile wireless access points (APs) and the growing power consumption of APs have led to a rising demand for low-power communication technologies for APs. To meet this demand, the IEEE 802.11bn Task Group (TGbn), a next-generation wireless LAN standardization group, is considering the introduction of a dynamic bandwidth power saving scheme. This scheme involves reducing the communication bandwidth of the AP during periods when it is not transmitting or receiving, then expanding the bandwidth through frame exchanges with STA before data transmission, and subsequently reverting to power-saving mode. This paper analyzes one of the dynamic bandwidth power saving schemes discussed by TGbn through computer simulations and compares it with a scheme that operates without bandwidth expansion. The simulation results show that the dynamic bandwidth power saving scheme achieves up to 1.27 times higher effective throughput with Overlapping Basic Service Set (OBSS) interference and up to 5.06 times higher effective throughput in interference-free multi-device competition scenarios compared to the scheme without bandwidth expansion. Applying the proposed scheme to next-generation wireless LANs can provide both power-saving performance for APs and high-speed, low-latency communication.

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  Cite this article

[IEEE Style]

G. Lee, W. Ahn, R. Y. Kim, "Dynamic Bandwidth Power Saving Scheme in the Next Generation Wi-Fi 8," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 2, pp. 268-279, 2025. DOI: 10.7840/kics.2025.50.2.268.

[ACM Style]

Gwang-ho Lee, Woojin Ahn, and Ronny Yongho Kim. 2025. Dynamic Bandwidth Power Saving Scheme in the Next Generation Wi-Fi 8. The Journal of Korean Institute of Communications and Information Sciences, 50, 2, (2025), 268-279. DOI: 10.7840/kics.2025.50.2.268.

[KICS Style]

Gwang-ho Lee, Woojin Ahn, Ronny Yongho Kim, "Dynamic Bandwidth Power Saving Scheme in the Next Generation Wi-Fi 8," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 2, pp. 268-279, 2. 2025. (https://doi.org/10.7840/kics.2025.50.2.268)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880