Research Article
Optimization of Cognitive Radio Secondary Information Gathering Station Positioning and Operating Channel Selection for IoT Sensor Networks
| Parameters | Values |
| Area | cells | Number of SIGS () | 10 | Number of PBSs () | 5 | Number of channels | 5 | Bandwidth | | The number of unit areas covered by the SIGS | 4 | The number of unit areas covered by the PBS | 13 | Transmitter power of PUs | 33.01 dBm | Transmitter power of SIGS and IoT devices | 23.01 dBm | SINR threshold for PBSs | 5 dB | SINR threshold for IoT devices | 10 dB | Weight factor (λ) | 0.4 |
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