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README.md
Beamforming Measurement Data
The provided measurement data originate from a 5G test system consisting of a base station (BS) with a beamforming antenna and user equipment (UE) with an omnidirectional antenna.
System Description
The carrier frequency was set to 3.55 GHz, and the OFDM cell signal occupied 80 MHz. The BS was equipped with a grid-of-beams antenna with 48 individual beams arranged in three rows and 16 columns. The following table shows the beam indices for the given beam elevation (rows) and azimuth (columns) angles:
| El./Az. | -56.25° | -48.75° | -41.25° | -33.75° | -26.25° | -18.75° | -11.25° | -3.75° | 3.75° | 11.25° | 18.75° | 26.25° | 33.75° | 41.25° | 48.75° | 56.25° |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| +10° | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 0° | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 |
| -10° | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 |
Measurement Locations
The BS antenna was installed on a typical antenna mast covering one cellular sector. Measurements are available for three scenarios:
- Rural
- Suburban
- Urban
Further details on the three locations are available in [1]. These datasets have also been used in [2].
Measurement Log File Content
A UE measurement sample is available on average every 0.76 seconds. Multiple measurement drives were conducted for each of the three locations, indicated with an identifier.
Base Station Position
File name: BS_Pos_*.csv
| Column | Description |
|---|---|
| Latitude | GPS Latitude (WGS84) [°] |
| Longitude | GPS Longitude (WGS84) [°] |
| Altitude | GPS Altitude (WGS84) [m] above sea level |
| Azimuth | Antenna installation azimuth angle [°] (0°=north, 90°=east) |
| Tilt | Antenna installation tilt angle [°] (0°=horizon, -90°=ground) |
| Roll | Antenna installation roll angle [°] (clockwise) |
| MinRadius | Minimum cell radius for which reasonable results are obtained (also used to classify 'near' samples in the UE logs) |
| MaxRadius | Maximum reasonable cell radius |
UE Log Files
File name: UE_Logs_*.csv
| Column | Description |
|---|---|
| Timestamp | Timestamp [dd-mmm-yyyy HH:MM:SS.FFF] |
| Latitude | GPS Latitude (WGS84) [°] |
| Longitude | GPS Longitude (WGS84) [°] |
| Altitude | GPS Altitude (WGS84) [m] above sea level |
| ID | Measurement drive identifier |
| near | Indicates samples close to the BS antenna that may lead to implausible results [0,1] |
| NLOS | Non-line-of-sight to the BS antenna, manually labelled [0,1] |
| bIdx | Beam index of the serving beam |
| bAzi | Azimuth angle of the serving beam [°] |
| bEle | Elevation angle of the serving beam [°] |
| RSRP | RSRP [dBm] |
| SINR | SNR [dB] |
| BID1 - BID48 | Measured RSRP for each of the 48 beams |
References
[1] A. Schumacher, R. Merz, and A. Burg, "3.5 GHz Coverage Assessment with a 5G Testbed," in 2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring), Apr. 2019, pp. 1–6. doi: 10.1109/VTCSpring.2019.8746551.
[2] N. Xu, S. Li, C. S. Charollais, A. Burg, and A. Schumacher, "Machine Learning Based Outdoor Localization using the RSSI of Multibeam Antennas," in 2020 IEEE Workshop on Signal Processing Systems (SiPS), Oct. 2020, pp. 1–5. doi: 10.1109/SiPS50750.2020.9195235.