But for this channel conditions should be changing at the scale of 100 micro secs consistently. On Sat, Oct 25, 2014 at 12:13 AM, Adrian Chadd <adrian@xxxxxxxxxxx> wrote: > It's not completely unsurprising - the initial channel estimate and > such is done at the beginning of each packet and stays constant. So if > there's some varying channel conditions that change that during the > duration of a packet, the tail end is going to end up having less SNR > and may end up getting more errors. > > > -adrian > > On 24 October 2014 09:04, Ali Abedi <a2abedi@xxxxxxxxxxxx> wrote: >> Hello, >> >> We study the effects of 802.11n frame aggregation on throughput. We noticed >> a >> strange pattern in the MPDU loss within an aggregated frame. It seems that >> the >> second half of the MPDUs (those with higher sequence numbers) in an >> aggregated frame >> are more likely to be lost. Is this a known fact or is there any explanation >> for it? >> >> For example if 32 frames are aggregated with sequence numbers 100 to 131. >> Frames with sequence numbers 100-115 are more likely to be received >> correctly >> than 116-131. >> >> >> Best, >> Ali >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > _______________________________________________ > ath9k-devel mailing list > ath9k-devel@xxxxxxxxxxxxxxx > https://lists.ath9k.org/mailman/listinfo/ath9k-devel -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html