http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
An Opportunistic Channel Access Scheme for Interweave Cognitive Radio Systems
Sivasothy Senthuran,Alagan Anpalagan,공형윤,Ashok Karmokar,Olivia Das 한국통신학회 2014 Journal of communications and networks Vol.16 No.1
We propose a novel opportunistic access scheme for cognitiveradios in an interweave cognitive system, that considers thechannel gain as well as the predicted idle channel probability (primaryuser occupancy: Busy/idle). In contrast to previous workwhere a cognitive user vacates a channel only when that channelbecomes busy, the proposed scheme requires the cognitive user toswitch to the channel with the next highest idle probability if thecurrent channel’s gain is below a certain threshold. We derive thethreshold values that maximize the long term throughput for variousprimary user transition probabilities and cognitive user’s relativemovement.
An Opportunistic Channel Access Scheme for Interweave Cognitive Radio Systems
Senthuran, Sivasothy,Anpalagan, Alagan,Kong, Hyung Yun,Karmokar, Ashok,Das, Olivia The Korea Institute of Information and Commucation 2014 Journal of communications and networks Vol.16 No.1
We propose a novel opportunistic access scheme for cognitive radios in an interweave cognitive system, that considers the channel gain as well as the predicted idle channel probability (primary user occupancy: Busy/idle). In contrast to previous work where a cognitive user vacates a channel only when that channel becomes busy, the proposed scheme requires the cognitive user to switch to the channel with the next highest idle probability if the current channel's gain is below a certain threshold. We derive the threshold values that maximize the long term throughput for various primary user transition probabilities and cognitive user's relative movement.