1 Million Sweep Field Datasets of VHF/UHF TV Band for Enugu Metropolis, Nigeria

Dataset Technical Details & Specifications

Data Acquisition & Campaign Structure

• Total Files & Scale: 400 discrete CSV files compiled across 20 spatial monitoring locations in Enugu Metropolis (20 sweep files per location).

• Observation Windows: 4 non-overlapping diurnal sampling sessions per location:

  • Morning: 06:00:00 – 11:59:59

  • Afternoon: 12:00:00 – 15:59:59

  • Evening: 16:00:00 – 21:59:59

  • Night: 22:00:00 – 05:59:59

• Spectral Resolution: 5 designated frequency block sets, featuring 112 discrete frequency iterations per block file run (N = 112).

• File Naming Structure: LOC[XX]__[FREQUENCY BAND]_[SESSION]_[BLOCK_ID].csv

  Data Schema & Variables

  • timestamp (DateTime): Epoch-aligned measurement acquisition timestamp (YYYY-MM-DD HH:MM:SS).

  • frequency_mhz (Float64): Center frequency point (MHz).

  • power_dbm (Float64): Uncalibrated received power level (dBm).

  • duty_cycle (Float64): Instantaneous channel occupancy percentage (%).

   

Archive Specifications

• Master Archive: Field_Data_20_Enugu_Metropolis_Locations.zip (DEFLATE compressed).

• Target Applications: Cognitive radio network optimization, TV White Space (TVWS) identification, dynamic spectrum access (DSA), and machine learning spectrum occupancy modeling.