Research Article
Optimal Time Allocation for Energy Harvesting Cognitive Radio Networks with Multichannel Spectrum Sensing
| Symbol | Definition |
|
| | Number of subchannels in the EH-CRN |
| | The bandwidth of each subchannel |
| | Transmit power of the PT in the th subchannel |
| | EH power of the ST |
| | Probability that each subchannel is active |
| | Energy harvested in one time slot |
| | Energy consumed for sensing one subchannel |
| | Duration of EH phase |
| | Sensing time of one subchannel |
| | Duration of transmission phase |
| | Number of sensed subchannels in sensing phase |
| | Number of correctly sensed inactive subchannels |
| | Channel gain of the th subchannel |
| | Channel gain from the ST to the SR |
| | Probability of detection for subchannel |
| | Probability of false alarm for subchannel |
| | Collision probability |
|
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