Add some notes on which channels can be used with HT40- and HT40+

This is not a complete list, but at least it can provide some help for
whoever is trying to configure hostapd for 802.11n HT40 operation.
This commit is contained in:
Jouni Malinen 2008-11-24 19:28:37 +02:00 committed by Jouni Malinen
parent cd587cceff
commit b3e7a97df0

View file

@ -384,6 +384,14 @@ wme_ac_vo_acm=0
# channel below the primary channel; [HT40+] = both 20 MHz and 40 MHz
# with secondary channel below the primary channel
# (20 MHz only if neither is set)
# Note: There are limits on which channels can be used with HT40- and
# HT40+. Following table shows the channels that may be available for
# HT40- and HT40+ use per IEEE 802.11n Annex J:
# freq HT40- HT40+
# 2.4 GHz 5-13 1-7 (1-9 in Europe/Japan)
# 5 GHz 40,48,56,64 36,44,52,60
# (depending on the location, not all of these channels may be available
# for use)
# Spatial Multiplexing (SM) Power Save: [SMPS-STATIC] or [SMPS-DYNAMIC]
# (SMPS disabled if neither is set)
# HT-greenfield: [GF] (disabled if not set)