Optimal Time Allocation for Energy Harvesting Cognitive Radio Networks with Multichannel Spectrum Sensing

Table 1

Key notations.

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