EnGenius ENH900EXT Manual de usuario descargar pdf (Pagina 51)

Wi-Fi Multi Media (WMM)

This feature provide QoS (Quality of Service) for prioritizing

multimedia trafc on the network. WMM prioritization

achieves the goal of minimizing delay in a wireless network

for time-sensitive applications such as video streaming.

WMM Parameters: According to version 1.1 of the WMM

specications by the Wi-Fi Alliance, denes four Access

Category (AC_BE, AC_BK, AC_VI, AC_VO) labels in order to

provide more favorable network access for applications

that are less tolerant of packet delays.

CW: CW (Contention Window) maintains the DCF random

back-off component to help avoid collisions of packets

from the same access category.

AIFS: Arbitration Inter-Frame Spacing (AIFS) in wireless

LAN communications is a method of prioritizing one Access

Class (AC) over the other, such as giving voice or video

priority over email.

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EnGenius ENH900EXT Manual de usuario Pagina 51