Table 1. Setup for previous vibration-based secret transmission. The application context refers to the intended receiver device.
| Technique | Application context | Receiver sensor type | Sampling rate (Hz) |
|---|---|---|---|
| Vibrate-to-Unlock [30] | RFID tag | Accelerometer | Not reported |
| SYNCVIBE [27] | Wearable | Accelerometer | 1600 |
| SecureVibe [26] | IMDa | Accelerometer | 3200 |
| VibroComm [32] | IoTb device | Gyroscope | 32000 |
| Ripple [29] | Mobile device | Accelerometer | 1600 |
| Ripple II [28] | Mobile device | Microphone | 48000 |
| Touch-And-Guard [31] | Wristband device | Accelerometer | 250 |
a
IMD: implantable medical device.
b
IoT: Internet of Things.