Understanding the shape of the csi array

citysu / csiread

A fast channel state information parser for Intel, Atheros, Nexmon, ESP32 and PicoScenes

MIT License

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Understanding the shape of the csi array #22

Open mamdouhJ opened 2 years ago

mamdouhJ commented 2 years ago

Im collecting CSI based on the Atheros library. Im using csiread to parse the binary data and get the readings. The shape Im having is [40,56,2,2]. As far as I know 40 is the received packets, 56 is the number of subcarriers, one of the 2s is the number of antennas but I don't know what the other 2 refers. Thanks!

citysu commented 2 years ago

csidata.csi.shape is [packet_num, tones, nrxnum, ntxnum], but for each packet, [csidata.num_tones, csidata.nr, csidata.nc] is the real shape. csidata.csi is a container.