| # Wi6CSI Dataset Overview | |
| **Wi6CSI** is a comprehensive Wi-Fi sensing dataset collected in the **6GHz** band. It offers a rich, high-resolution resource for researchers | |
| ## Key Features | |
| - **Scenarios Covered:** | |
| - **Single User:** Data captured with one user performing various activities. | |
| - **Multi User:** Data where multiple users are present simultaneously. | |
| - **People Counting:** Scenarios designed to count individuals within a specific area. | |
| - **Collection Locations:** | |
| Data has been collected across **three distinct locations**, ensuring diverse environmental conditions and variations in the wireless channel. | |
| - **Data Volume and Resolution:** | |
| - The dataset holds approximately **1.5TB** of data. | |
| - Each Wi-Fi packet includes **8100 subcarriers**, offering a level of detail that supports high-resolution sensing and analysis. | |
| - **Wi-Fi Band:** | |
| - Utilizes the **6GHz** frequency band, providing enhanced granularity and improved sensing accuracy compared to lower frequency bands. | |
| # Wi6CSI Sample Dataset | |
| This repository contains a sample subset of the complete Wi6CSI dataset containing just a few single user activities. The sample is provided to demonstrate the dataset structure and typical processing steps for research in Wi-Fi Channel State Information (CSI) analysis. | |
| If you are interested in obtaining access to the complete Wi6CSI dataset or have any questions, please contact: [e0426004@u.nus.edu](mailto:e0426004@u.nus.edu) | |
| ## Dataset Contents | |
| - **.mp4 files:** | |
| These files are Pose3D videos that capture 3D representations of subjects during data collection. They can be used for visual analysis, activity recognition, or correlating motion with CSI data. | |
| - **.mat files:** | |
| These MATLAB files contain the Wi-Fi CSI values. The numerical data stored in these files represent the channel state information of the wireless signal, useful for signal processing or machine learning applications. | |
| - **.csi files:** | |
| These files hold raw Wi-Fi CSI data. They are not immediately usable and must be parsed using the [picoscenes toolbox](https://ps.zpj.io/matlab.html) to extract the relevant features for analysis. | |
| ## How to View and Process Each File Type | |
| ### 1. `.mp4` Files | |
| - **Description:** | |
| These files contain Pose3D videos. | |
| - **How to View:** | |
| Open them in any standard media player (e.g., VLC, Windows Media Player, QuickTime) by double-clicking the file or dragging it into the player window. | |
| ### 2. `.csi` Files | |
| - **Description:** | |
| These files store raw Wi-Fi CSI data. | |
| - **How to Open/Parse:** | |
| - **Step 1:** Install the PicoScenes MATLAB Toolbox. | |
| - **Step 2:** Open MATLAB and navigate to the directory containing the `.csi` file. | |
| - **Step 3:** Load or parse the file using the toolbox’s function. Found under the PicoScenes-MATLAB-Toolbox-Core folder | |
| - **Step 4:** The raw CSI values can then be accessed within the returned data structure for further analysis. | |
| ### 3. `.mat` Files | |
| - **Description:** | |
| These files contain Wi-Fi CSI values in MATLAB’s native format. | |
| - **How to View:** | |
| - **Option 1:** In MATLAB, double-click the `.mat` file in the Current Folder panel. | |
| - **Option 2:** Programmatically load the file by running. For example: | |
| ```matlab | |
| load('A12_P5_L3_T1.mat'); | |
| ``` | |
| After loading, variables such as `data` (often containing a field like `data.CSI.CSI`) will appear in your MATLAB workspace for exploration. | |
| The data.CSI.CSI will then contain all raw complex CSI values. | |
| ## Single User Activity Recognition Structure | |
| | Activity | | |
| |---------------------------------| | |
| | Empty Room (A1) | | |
| | Standing Still (A2) | | |
| | Sitting Still (A3) | | |
| | Lying Down Still (A4) | | |
| | Clap (A5) | | |
| | Wave (A6) | | |
| | Arm Circles (A7) | | |
| | Bicep Curls (A10) | | |
| | Toe Touches (A8) | | |
| | Squats (A9) | | |
| | Walk (Perpendicular) (A11) | | |
| | Walk (Parallel) (A12) | | |
| | Jump (A13) | | |
| | Location | | |
| |---------------------------------| | |
| | Room (L1) | | |
| | Extended Room (L2) | | |
| | Meeting Room (L3) | | |
| | Trial Number | | |
| |---------------------------------| | |
| | Trial 1 (T1) | | |
| | Trial 2 (T2) | | |
| | Trial 3 (T3) | | |
| | Trial 4 (T4) | | |
| | Trial 5 (T5) | | |
| | Participant Number | | |
| |---------------------------------| | |
| | Participant 1 (P1) | | |
| | Participant 2 (P2) | | |
| | Participant 3 (P3) | | |
| | Participant 4 (P4) | | |
| | Participant 5 (P5) | |