From mboxrd@z Thu Jan 1 00:00:00 1970 From: Date: Tue, 09 Feb 2016 07:29:31 -0000 Subject: No subject Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org CSI Tool-> - Gives 56 complex numbers which represent the mag and phase of the ofdm subcarriers. - The CSI tool is listening for HT20/HT40 packets with channel sounding bit (or bits) set so is per packet and needs a transmitter node also - CSI is also available on some intel (sorry to mention the dirty word) chips but you need to have specialised firmware which the kernel and userland CSI code accesses. SpectralScan-> - Is easier to use - give you the phase and mag (summed) in one figure. - don't need specialised transmitters.