THOMSON TCW770 User Manual page 60

for a particular AC for generating a random number for the backoff.
CWmax:
This attribute shall specify the value of the maximum size of the window that shall be used by a
QAP for a particular AC for generating a random number for the backoff.
AIFSN:
This attribute shall specify the number of slots, after a SIFS duration, that the QAP, for a particular
AC, shall sense the medium idle either before transmitting or executing a backoff.
TXOP (b) Limit (usec)/ TXOP (a/g) Limit (usec):
This attribute shall specify the maximum number of microseconds of an EDCA TXOP for a given
AC at the QAP.
If buffer full and parameter is TRUE then discard oldest first.
4 AC's (Access Category) are defined:
AC_BK (background)
AC_BE (best-effort)
AC_VI (Video)
AC_VO (Voice)
Illustrations contained in this document are for representation only.
Chapter 2: WEB Configuration
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