It is a part of 802.11n because of compatibility with 802.11e. But because 802.11n gives a much more advanced AMPDU based thing I think no one implemented it. It not a mandatory part of WMM I suppose.
On Thu, Oct 23, 2014 at 7:22 PM, Kamran Nishat <kamran.nis...@gmail.com> wrote: > I was talking about the same one. it was introduced in 802.11e (Tx-OP) not > in 802.11n > > On Thu, Oct 23, 2014 at 7:19 PM, Ali Abedi <a2ab...@uwaterloo.ca> wrote: > >> Dear Adrian and Kamran, >> >> Thanks for your replies. I think we are not referring to the same concept. >> Can you please have a look at the attache diagram. I need the middle one >> the immediate BA not delayed BA. >> >> >> Thanks, >> Ali >> >> >> >> >> On 14-10-22 11:18 PM, Adrian Chadd wrote: >> >>> I don't think mac80211 supports delayed-BA. :( >>> >>> >>> -adrian >>> >>> >>> On 22 October 2014 08:38, Ali Abedi <a2ab...@uwaterloo.ca> wrote: >>> >>>> Hello, >>>> >>>> I am interested to know if we can send multiple packets (non-aggregated, >>>> single packets) and then ask >>>> for a block ACK? I like to know if this functionality has been >>>> implemented in ath9k or if >>>> it is possible to achieve this with slight code modifications. >>>> >>>> What I need: >>>> Frame-SIFS-Frame-SIFS-Frame-SIFS-REQ Block ACK-SIFS-Block ACK >>>> >>>> Best, >>>> Ali >>>> _______________________________________________ >>>> ath9k-devel mailing list >>>> ath9k-devel@lists.ath9k.org >>>> https://lists.ath9k.org/mailman/listinfo/ath9k-devel >>>> >>> >> >
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