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README.md

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+# Coverage Maps and Signal Strength Data
+
+## Dataset Description
+
+Geo-tagged network quality measurements across Nigeria
+
+## Dataset Information
+
+- **Category**: Geospatial and Mobility
+- **Format**: CSV, Parquet
+- **Rows**: 200,000
+- **Columns**: 14
+- **Date Generated**: 2025-10-05
+- **Location**: `data/coverage_maps_and_signal_strength_data/`
+
+## Schema
+
+| Column | Type | Sample Values |
+|--------|------|---------------|
+| `measurement_id` | String | COV00000001 |
+| `latitude` | Float | 8.993513 |
+| `longitude` | Float | 7.380306 |
+| `city` | String | Abuja |
+| `operator` | String | MTN |
+| `network_type` | String | 4G |
+| `signal_strength_dbm` | Integer | -84 |
+| `coverage_quality` | String | excellent |
+| `download_speed_mbps` | Float | 31.58 |
+| `upload_speed_mbps` | Float | 8.09 |
+| `latency_ms` | Integer | 12 |
+| `tower_id` | String | ABU-4797 |
+| `distance_to_tower_km` | Float | 0.36 |
+| `indoor_outdoor` | String | indoor |
+
+## Sample Data
+
+```
+measurement_id  latitude  longitude  city operator network_type  signal_strength_dbm coverage_quality  download_speed_mbps  upload_speed_mbps  latency_ms tower_id  distance_to_tower_km indoor_outdoor
+   COV00000001  8.993513   7.380306 Abuja      MTN           4G                  -84        excellent                31.58               8.09          12 ABU-4797                  0.36         indoor
+   COV00000002  9.928355   8.894921   Jos      MTN           3G                  -90             good                 1.62               0.24         107 JOS-4195                  9.20        outdoor
+   COV00000003  9.906466   8.954852   Jos  9mobile           4G                  -87             good                86.46               9.92          11 JOS-8986                  0.44         indoor
+```
+
+## Nigerian Context
+
+This dataset incorporates authentic Nigerian telecommunications characteristics:
+
+- **Geographic Coverage**: Major Nigerian cities including Lagos, Abuja, Kano, Port Harcourt, Ibadan
+- **Operators**: MTN, Airtel, Glo, 9mobile with realistic market shares
+- **Phone Numbers**: Nigerian format (+234 prefixes)
+- **Currency**: Nigerian Naira (NGN)
+- **Time Zone**: West Africa Time (WAT, UTC+1)
+- **Network Types**: 2G, 3G, 4G, 5G distribution
+
+## File Formats
+
+### CSV
+```
+data/coverage_maps_and_signal_strength_data/coverage_maps_and_signal_strength_data.csv
+```
+
+### Parquet (Recommended)
+```
+data/coverage_maps_and_signal_strength_data/coverage_maps_and_signal_strength_data.parquet
+```
+
+## Loading the Dataset
+
+### Python (Pandas)
+```python
+import pandas as pd
+
+# Load CSV
+df = pd.read_csv('data/coverage_maps_and_signal_strength_data/coverage_maps_and_signal_strength_data.csv')
+
+# Load Parquet (recommended for large datasets)
+df = pd.read_parquet('data/coverage_maps_and_signal_strength_data/coverage_maps_and_signal_strength_data.parquet')
+```
+
+### Python (PyArrow)
+```python
+import pyarrow.parquet as pq
+
+# Load Parquet
+table = pq.read_table('data/coverage_maps_and_signal_strength_data/coverage_maps_and_signal_strength_data.parquet')
+df = table.to_pandas()
+```
+
+## License
+
+MIT License - For educational and research purposes
+
+## Citation
+
+```
+Nigerian Telecom Datasets - Coverage Maps and Signal Strength Data
+Generated: 2025-10-05
+Category: Geospatial and Mobility
+Rows: 200,000
+```
+
+## Related Datasets
+
+This dataset is part of the Nigerian Telecom Datasets collection, which includes 34 datasets covering network performance, customer behavior, financial transactions, infrastructure, geospatial data, customer experience, and emerging technologies.

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