Optimization of Cognitive Radio Secondary Information Gathering Station Positioning and Operating Channel Selection for IoT Sensor Networks

<div>SIGS positions and allocated channels using the RRA algorithm. (a) SIGS positions. (b) SIGS channel allocation.</div>

Mobile Information Systems

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Figure 9

Figure 9: Optimization of Cognitive Radio Secondary Information Gathering Station Positioning and Operating Channel Selection for IoT Sensor Networks 

Figure 9 | Optimization of Cognitive Radio Secondary Information Gathering Station Positioning and Operating Channel Selection for IoT Sensor Networks 