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Example of a
:L)L4R6
window:
EDCA Parameter
The IEEE 802.11e standard improves the Medium Access Control (MAC) of the legacy
802.11 with regard to Quality of Service (QoS) by introducing the Enhanced Distributed
Channel Access (EDCA).The 802.11e MAC is based on both centrally-controlled and
contention-based channel accesses.The EDCA provides differentiated channel access to
frames with different priorities.
Typically, voice and video traffic types are delay-sensitive, but are tolerant of some frame
losses.On the other hand, data traffic type is delay-tolerable, but requires loss-free
transmission. So you may adjust theses parameters with regard to the characteristics of
these types of data to better manage your network flow.
$&$FFHVV&DWHJRU\
:
using 4 different ACs: From high to low: VO: Voice, VI: Video, BE: Best Effort, BK:
Background