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---
license: cc-by-nc-sa-4.0
task_categories:
- feature-extraction
- object-detection
language:
- en
tags:
- CSI
- WiFi
- 6E
- 6GHz
- Sensing
- timeseries
pretty_name: Wi6CSI
size_categories:
- 1K<n<10K
---
# Wi6CSI
Wi6CSI: A Human Activity Recognition Dataset for Next-Generation WiFi Sensing in the 6 GHz Band
## 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.
### 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.
### 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) |
| **Participant Number** |
|---------------------------------|
| Participant 1 (P1) |
| Participant 2 (P2) |
| Participant 3 (P3) |
| Participant 4 (P4) |
| Participant 5 (P5) |
### Multi User Interaction Structure
| **Scenario No.** | **Participant P1** | **Participant P2** | **Participant P3** |
|------------------|------------------------|------------------------|--------------------------|
| S1 | (A5) Clap | (A6) Wave | (A7) Arm Circles |
| S2 | (A10) Bicep Curls | (A2) Standing Still | (A6) Wave |
| S3 | (A3) Sitting Still | (A10) Bicep Curls | (A6) Wave |
|------------------|------------------------|------------------------|--------------------------|
| S4 | (A13) Jump | (A12) Walk (Parallel) | (A5) Clap |
| S5 | (A10) Bicep Curls | (A9) Squats | (A12) Walk (Parallel) |
| S6 | (A9) Squats | (A6) Wave | (A2) Standing Still |
|------------------|------------------------|------------------------|--------------------------|
| S7 | (A14) High Five | (A14) High Five | (A6) Wave |
| S8 | (A15) Passing Object | (A15) Passing Object | (A12) Walk (Parallel) |
| S9 | (A16) Handshake | (A16) Handshake | (A5) Clap |
| **Location** |
|---------------------------------|
| Meeting Room (L3) |
| **Trial Number** |
|---------------------------------|
| Trial 1 (T1) |
| Trial 2 (T2) |
| Trial 3 (T3) |
| Trial 4 (T4) |
| **Participant Number** |
|---------------------------------|
| Participant 1 (P1) |
| Participant 2 (P2) |
| Participant 3 (P3) |
### People Counting Structure
| **Scenario No.** | **Details** |
|------------------|-----------------------------------------------------------------|
| S10 | Sitting relatively still while using a mobile phone and talking |
| S11 | Standing and mingling with other participants |
| **Location** |
|---------------------------------|
| Meeting Room (L3) |
| **Trial Number** |
|---------------------------------|
| Trial 1 (T1) |
| Trial 2 (T2) |
| Trial 3 (T3) |
| Trial 4 (T4) |
| **Number of Participants** | **Participant Numbers** |
|----------------------------|-------------------------|
| 1 (N1) | P1 |
| 2 (N2) | P1, P2 |
| 3 (N3) | P1, P2, P3 |
| 4 (N4) | P1, P2, P3, P4 |
| 5 (N5) | P1, P2, P3, P4, P5 |
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