From 56ab2d850ee45a8a6bfccb567abccc16e55eabc7 Mon Sep 17 00:00:00 2001 From: Jiao Xianjun Date: Wed, 23 Feb 2022 12:33:34 +0100 Subject: [PATCH] Update radar-self-csi.md --- doc/app_notes/radar-self-csi.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/app_notes/radar-self-csi.md b/doc/app_notes/radar-self-csi.md index b944901..d8c940d 100644 --- a/doc/app_notes/radar-self-csi.md +++ b/doc/app_notes/radar-self-csi.md @@ -4,7 +4,7 @@ SPDX-FileCopyrightText: 2019 UGent SPDX-License-Identifier: AGPL-3.0-or-later --> -One super power of the openwifi platform is "Full Duplex" which means that openwifi baseband can receive its own TX signal. Just like a radar! This brings a unique capability of "joint radar and communication" to openwifi. For instance, put two directional antennas to openwifi TX and RX, and the CSI (Channel State Information) of the self-TX signal will refect the change of the target object. +One super power of the openwifi platform is "**Full Duplex**" which means that openwifi baseband can receive its own TX signal. Just like a radar! This brings a unique capability of "**joint radar and communication**" to openwifi. For instance, put two directional antennas to openwifi TX and RX, and the **CSI** (Channel State Information) of the self-TX signal will refect the change of the target object. ![](./openwifi-radar.jpg) ## Quick start @@ -43,7 +43,7 @@ One super power of the openwifi platform is "Full Duplex" which means that openw The python script needs "matplotlib.pyplot" and "numpy" packages installed. Now you should see figures showing run-time **CSI** and **frequency offset**. Meanwhile the python script prints the **timestamp**. ![](./csi-screen-shot-radar.jpg) - While running, all CSI data is also stored into a file **side_info.txt**. A matlab script **test_side_info_file_display.m** is offered to help you do CSI analysis offline. In this case, run test_side_info_file_display(0) in Matlab. + While running, all CSI data is also stored into a file **side_info.txt**. A matlab script **test_side_info_file_display.m** is offered to help you do CSI analysis offline. In this case, run **test_side_info_file_display(0)** in Matlab. ![](./csi-screen-shot-radar-matlab.jpg) Please learn the python and Matlab script for CSI data structure per packet according to your requirement.