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BSS coloring

Basic Service Set Coloring, BSS Coloring, is a procedure with which the basic services (BSS) can be assigned separately and without overlapping influences. The procedure has already been introduced in WLANs according to 802.11ah and assigns a different color

to

each BSS service

.The aim of

thebasic service sets

isto achieve a clear distinction between the services

andto ensure that the WLAN devices access the correct BSS service. For this reason, BSS coloring gives each Basic Service Set a number, which is declared as a color. This number is added to the PHY header and the channel is assigned only when the number is recognized. After allocation, the channel is marked as busy with a special bit

. BSS Coloring is intended to speed up reuse of used services to reduce the overlapping of BSS services, Overlapping Basic Service Set (OBSS), because it reduces network performance.

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Englisch: BSS coloring
Updated at: 04.10.2019
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