do it at a fix rate (1st check if duration of packet is less tahn 4ms for ur MCS) and with nearly zero noise losses.
Kamran On Wed, Jan 22, 2014 at 1:54 AM, Ali Abedi <a2ab...@uwaterloo.ca> wrote: > These mostly determine the MAX AMPDU length. I also want to determine > the minimum length, so > that I can set min=max and lock the AMPDU length. > > Thank you, > Ali > > On 21/01/2014 15:07, Kamran Nishat wrote: > > As far as i know AMPDU length is determined by 3 constraints. Firs maximum > AMPDU length. second blockAck window (if there were losses then this will > play a role). Third is Max air time of the AMPDU which is 4ms for some > domain constraints. this comes into play MCS is low and packet duration > gets more than 4ms. See following function in xmit.c for details > > ath_tx_form_aggr <http://lxr.free-electrons.com/ident?i=ath_tx_form_aggr> > > > > On Tue, Jan 21, 2014 at 11:49 PM, Ali Abedi <a2ab...@uwaterloo.ca> wrote: > >> Hello, >> >> I have seen questions regarding the length of an AMPDU and how to change >> the maximum AMPDU length. >> However, I require to lock the AMPDU length at a specific value. >> Changing the max length does not guarantee >> that all AMPDUs have a fixed length, it can be anything between 1 to max >> based on the rate of arrival of new frames. >> Is there a mechanism to force the card to wait to have enough frames so >> that all AMPDUs have a fixed length that we specify? In other words, I >> need all AMPDUs to aggregate X full length frames. >> >> Thank you, >> Ali >> >> _______________________________________________ >> ath9k-devel mailing list >> ath9k-devel@lists.ath9k.org >> https://lists.ath9k.org/mailman/listinfo/ath9k-devel >> > > >
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