Hi! I'm very interested in obtaining channel measurements from current 802.11a/g/n chipsets. I know that there are indicators for signal strength, noise floor, RSSI etc., but I'd like to get more fine-grained measurements such as magnitude/phase of the OFDM sub-carriers. Such information is also needed for the (optional) 802.11n "channel state information" feature, so I suppose that the vendors include support for it in their chipsets. Can someone give me a hint where to look at? So far I found that other people are interested as well [1], but I did not find any hints in the source code of the wireless drivers or any public available spec. [2] shows how it could look like, but unfortunately it depends mainly on modifications to the binary-only NIC firmware. Best Regards Till [1] http://www.mail-archive.com/ath9k-devel@xxxxxxxxxxxxxxx/msg03875.html [2] http://dhalperi.github.com/linux-80211n-csitool/ -- 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
