Title :
Network coding for cognitive radio systems
Author :
Mu, Wei ; Ma, Lin ; Tan, Xue Zhi ; Li, Lei ; Liu, Li
Author_Institution :
Commun. Res. Center, Harbin Inst. of Technol., Harbin, China
Abstract :
We consider a cognitive radio network where secondary users (SUs) employ network coding for data transmissions. SU transmission time is reduced due to network coding. And it increases spectrum availability to SUs. Our results show that compared to the existing approaches based on retransmission, SUs can achieve higher stable throughput, and the probability that SU has confliction with the primary user (PU) due to sudden appearance of a PU is smaller.
Keywords :
cognitive radio; data communication; network coding; probability; PU; SU transmission; cognitive radio systems; data transmissions; network coding; primary user; probability; secondary users; Automatic repeat request; Throughput; cognitive systems; collision probabilities; network coding; throughput;
Conference_Titel :
Computer Science and Network Technology (ICCSNT), 2011 International Conference on
Conference_Location :
Harbin
Print_ISBN :
978-1-4577-1586-0
DOI :
10.1109/ICCSNT.2011.6181946
