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TSP
2011
237views more  TSP 2011»
13 years 9 days ago
A Cooperative Sensing Based Cognitive Relay Transmission Scheme Without a Dedicated Sensing Relay Channel in Cognitive Radio Net
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...
YuLong Zou, Yu-Dong Yao, Baoyu Zheng
CISS
2010
IEEE
12 years 9 months ago
On performance evaluation of cooperative spectrum sensing in cognitive radio networks
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
Gang Xiong, Shalinee Kishore, Aylin Yener
INFOCOM
2012
IEEE
11 years 7 months ago
Maximizing system throughput by cooperative sensing in Cognitive Radio Networks
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
Shuang Li, Zizhan Zheng, Eylem Ekici, Ness B. Shro...
CISS
2008
IEEE
13 years 12 months ago
Quickest spectrum sensing in cognitive radio
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
Husheng Li, Chengzhi Li, Huaiyu Dai
ICC
2007
IEEE
149views Communications» more  ICC 2007»
13 years 11 months ago
Cluster-Based Cooperative Spectrum Sensing in Cognitive Radio Systems
— In cognitive radio systems, secondary users can be coordinated to perform cooperative spectrum sensing so as to detect the primary user more accurately. However, when the sensi...
Chunhua Sun, Wei Zhang, Khaled Ben Letaief