On 2010-02-24 8:22 PM, Galen wrote: > This is an addendum to my earlier reply. > > On Feb 22, 2010, at 1:09 PM, Felix Fietkau wrote: >>>> Except for STBC, ath9k seems to have pretty much the same hardware >>>> features as Atheros' other drivers. There may be some workarounds for >>>> various hw issues missing, I have not extensively reviewed that yet. >>> I would be interested in knowing more about these. LDPC? Others? >>> There appear good software implementations of LDPC out there: >>> http://planete-bcast.inrialpes.fr/article.php3?id_article=7 >> I'm pretty sure the current hardware also doesn't do LDPC yet. > > I have looked over data presented on the Atheros website and as best as I can > tell, the AR5008 (and other newer chipsets, I assume) support: > > - STBC (space-time block coding) for TX and RX > - MRC (maximal ratio combining) via zero forcing algorithm > - TxBF (transmit beam forming) > > From what you're saying, my understanding is that MRC and and TxBF > are both functioning with ath9k, with STBC being the primary > remaining feature. Is this correct? TxBF isn't supported by the currently available hardware, so ath9k doesn't make use of it either. I don't know about MRC, but I don't see a difference between ath9k and other Atheros drivers in that area. So yes, of those options, only STBC is missing.
- Felix _______________________________________________ ath9k-devel mailing list ath9k-devel@lists.ath9k.org https://lists.ath9k.org/mailman/listinfo/ath9k-devel
