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Control OBSS/PD Sensitivity Threshold for IEEE 802.11ax BSS Color

Selinis, Ioannis, Katsaros, Konstantinos, Vahid, Seiamak and Tafazolli, Rahim (2018) Control OBSS/PD Sensitivity Threshold for IEEE 802.11ax BSS Color In: 2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2018), 09-12 Sep 2018, Bologna, Italy.

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Abstract

IEEE 802.11ax Spatial Reuse (SR) is a new category in the IEEE 802.11 family, aiming at improving the spectrum efficiency and the network performance in dense deployments. The main and perhaps the only SR technique in that amendment is the Basic Service Set (BSS) Color. It aims at increasing the number of concurrent transmissions in a specific area, based on a newly defined Overlapping BSS/Preamble-Detection (OBSS/PD) threshold and the Received Signal Strength Indication (RSSI) from Overlapping BSSs (OBSSs). In this paper, we propose a Control OBSS/PD Sensitivity Threshold (COST) algorithm for adjusting OBSS/PD threshold based on the interference level and RSSI from the associated recipient(s). In contrast to the Dynamic Sensitivity Control (DSC) algorithm that was proposed for setting OBSS/PD, COST is fully aware of any changes in OBSSs and can be applied to any IEEE 802.11ax node. Simulation results in various scenarios, show a clear performance improvement of up to 57% gain in throughput over a conservative fixed OBSS/PD for the legacy BSS Color and DSC.

Item Type: Conference or Workshop Item (Conference Paper)
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Selinis, Ioannisis0019@surrey.ac.uk
Katsaros, Konstantinosk.katsaros@surrey.ac.uk
Vahid, SeiamakS.Vahid@surrey.ac.uk
Tafazolli, RahimR.Tafazolli@surrey.ac.uk
Date : 2018
DOI : 10.1109/PIMRC.2018.8580778
Copyright Disclaimer : © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords : Color; Interference; Sensitivity; Throughput; Heuristic algorithms; Image color analysis; IEEE 802.11 Standard
Related URLs :
Additional Information : Printed proceedings published by Curran Associates Inc.
Depositing User : Clive Harris
Date Deposited : 17 Sep 2019 09:18
Last Modified : 17 Sep 2019 09:18
URI: http://epubs.surrey.ac.uk/id/eprint/852642

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