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nexmonster / nexmon_csi

Channel State Information for Raspberry Pi. Use the pi-5.10.92 branch.
https://github.com/nexmonster/nexmon_csi/tree/pi-5.10.92
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Is Nexmon tool Rx ? or just extractor? #62

Open rack570 opened 7 months ago

rack570 commented 7 months ago

Hi, long time no see. I'm still studying CSI. Then I suddenly got a question. Does this nexmon csi tool work as a receiver? Or does it just work as an extractor? I put a transmitter and Raspberry pi in one room and another Raspberry pi in the other room next to me to extract two csi at the same time. At this time, there was only a person in the first room, but the CSI fluctuation in the second room (next room) was larger. I understood that this was due to transmission or diffraction in radio wave transmission and reception, but suddenly I wondered if the nexmon tool works as a receiver. I saw an example of using nexmon tool in another paper. In the experiment of that paper, the author forcibly pinged the transmitter ip using another device to increase the sampling rate. In my experiment, I am using only the beacon frame of Wi-Fi. If you know anything about this, can you help me again? I am always grateful to you.

zeroby0 commented 7 months ago

Nexmon_csi can hear, but can't speak :)

It only listens to what's going on in the network, and cannot generate any packets at all.