Dynamic sensitivity control of access points for IEEE 802.11ax
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Document typeConference report
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
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The popularity and wider acceptance of IEEE 802.11 based WLANs has resulted in their dense deployments in diverse environments. While this massive deployment can potentially increase capacity and coverage, the current physical carrier sensing of IEEE 802.11 cannot limit the overall interference induced and also cannot insure high concurrency among transmissions. Recently, the IEEE 802.11 working group has continued efforts on developing WLAN technology through the creation of the TGax, which aims to improve efficiency of densely deployed IEEE 802.11 networks. In this paper, we propose a Dynamic Sensitivity Control for Access Point (DSC-AP) algorithm for IEEE 802.11ax. This algorithm dynamically adjusts the Carrier Sensing Threshold (CST) of an AP based on received signal strength from its associated stations and interfering APs. We show that the aggregate throughput of a dense network (under asymmetric traffic conditions) utilizing DSC (both at the stations and AP) is considerably improved (i.e. up to 32%) when compared with legacy IEEE 802.11. © 2016 IEEE.
CitationAfaqui, M., Garcia-Villegas, E., Lopez-Aguilera, E., Campus, D. Dynamic sensitivity control of access points for IEEE 802.11ax. A: IEEE International Conference on Communications. "2016 IEEE International Conference on Communications (ICC) took place 22-27 May 2016 in Kuala Lumpur, Malaysia". Kuala Lumpur: Institute of Electrical and Electronics Engineers (IEEE), 2016, p. 1-7.