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RSSI Measurements 2

Marvin Mirtschin edited this page Oct 23, 2019 · 13 revisions

The measurement was performed similarly to the first session and with the same goal in mind. You can download the resulting files here.

Setup

In contrast to the last session, this one was performed indoor to create a more realistic setting. The beacons were glued to a wall and recording separately. The devices were placed on the same height with their display showing upwards and pointing towards the beacons. The recordings were performed in batches, therefore we used up to 5 devices at a time placed next to each other.

Beacons

  • Radio Version: 4.0 Bluetooth Smart (Bluetooth Low Energy)
  • Radio Frequency: 2.402 to 2.480 GHz
  • Radio Module: Nordic SoC nRF51822 (MCU and transceiver)
  • Radio Antenna: Printed meandered planar F-antenna
  • Radio Version: 4.0 Bluetooth Smart (Bluetooth Low Energy)
  • Radio Frequency: 2.402 to 2.480 GHz
  • Radio Module: Nordic SoC nRF51822 (MCU and transceiver)
  • Radio Antenna: Printed meandered planar F-antenna
  • Radio Version: 4.0 Bluetooth Smart (Bluetooth Low Energy)
  • Radio Frequency: 2.402 to 2.480 GHz
  • Radio Module: Nordic SoC nRF51822 (MCU and transceiver)
  • Radio Antenna: UFL connector for external antenna

Devices

Model Os Versions
BlackBerry KEYone Android 8.1.0 (SDK 27)
Google Pixel Android 9 (SDK 28)
Google Pixel 2 Android 10 (SDK 29)
Google Pixel 3 XL Android 10 (SDK 29)
HTC U11 Android 8.0.0 (SDK 26)
Hmd Global Nokia 8 Android 9 (SDK 28)
Huawei Honor 6X Android 7.0 (SDK 24)
Huawei P20 Android 9 (SDK 28)
LGE Nexus 5X Android 8.1.0 (SDK 27)
Motorola Moto G5 Android 8.1.0 (SDK 27)
Samsung Galaxy A3 Android 7.0 (SDK 24)
Samsung Galaxy A6 Android 9 (SDK 28)
Samsung Galaxy S7 Android 8.0.0 (SDK 26)
Samsung Galaxy S8 Android 9 (SDK 28)
Xiaomi Redmi 5 Plus Android 8.1.0 (SDK 27)

All RSSIs for different devices for beacon model Board

Mean RSSIs with standard deviation for beacon Board

Mean RSSIs over all devices with standard deviation for beacon Board

Mean RSSIs over different beacons

Frequencies for different devices for beacon model Board