User's Manual

Chapter 3: Connections and setup
43
Illustrationscontainedinthisdocumentareforrepresentationonly.
WMM
ThispageallowsconfigurationoftheWi‐FiMultimediaQoS.

Fig.28:802.11WMMconfigurations
WMMSupport:ThisfieldallowsyoutoenableWMMtoimprovemultimediatransmission.
No‐Acknowledgement:ThisfieldallowsyoutoenableWMMNo‐Acknowledgement.Enablethis
avoidsretransmissiononhighlytime‐criticaldata.
PowerSaveSupport:ThisfieldallowsyoutoenableWMMPower‐Save‐Support.
EDCAAPparameters:SpecifiesthetransmitparameterfortraffictransmittedfromtheAPtothe
STAforthe4AccessPriorityCategories:Besteffort(AC_BE),Background(AC_BK),Video(AC_VI)
andvoice(AC_VO).Transmitparametersincludecontentionwindow(CWminCWmax),
arbitrationInterFrameSpacingNumberAIFSN,andTransmitopportunityLimit(TXOPlimit).
AdmissionControlspecifiesifadmissioncontrolisenforcedfortheAccesscategories.Discard
Oldestfirstspecifiedthediscardpolicyforthequeues,"On"discardstheoldestfirst;"Off"
discardsthenewestfirst.
EDCASTAparameters:SpecifiesthetransmitparameterfortraffictransmittedfromSTAtothe
APforthe4AccessPriorityCategories:Besteffort(AC_BE),Background(AC_BK),Video(AC_VI)