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xieyaxiongfly / Atheros-CSI-Tool

Tool for extracting CSI from off-the-shelf Commercial Atheros WiFi NIC
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Can I get CSI from the APs without configuration on this APs? #16

Open apollo007fd opened 7 years ago

apollo007fd commented 7 years ago

Hi , Doctor Xie I know that if I use Atheros-CSI-Tool to get CSI data from some APs, I must to configure these APs beforehand. But now I want to get CSI matries from all the neighouring APs around me, not only the APs that I have configured beforehand. I know it is possible to get RSSI values from all the neighboring APs, but If getting CSI data from all the neighbouring APs is possible? If yes, how can I do that? Thank you!

apollo007fd commented 7 years ago

@xieyaxiongfly I have try to build this CSI-Tool on Manifold onboard computer from DJI for a week, but I failed, Can you tell me what type of laptop that we can install AR93xx NIC on ? Thanks very much!

kangqf commented 7 years ago

May be, You can set the receiver NIC mode to monitor mode to get CSI matries from all the neighouring APs around.

xieyaxiongfly commented 7 years ago

Hi, any information on how to set up the DJI, you can ask LiBing from HKUST.

To collect CSI from other APs without any modifications, you can only do that when the APs are sending packets with destination MAC address the same as your Wi-Fi cards.

For example, MAC address of your receiver Wi-Fi NIC is 00:01:02:03:04:05. You can set your receiver in Monitor mode. If any device is sending packets with destination MAC address 00:01:02:03:04:05, your receiver can calculate CSI for those packets.

If you cannot configure the AP, I think it's hard to do that.