Dynamic Spectrum Access Scheme of Emergency Communication Network
Hongyan Li · Modern Electronics Technique · 2011
It has been a research hotspot in wireless communication field that using the dynamic spectrum access technology of cognitive radio to improve reacting efficiency of emergency communication network in the sudden events.In this article,several dynamic spectrum access schemes of cognitive radio are explored and researched.An appropriate access scheme can promote the establishment of healthy competition between the cognitive users,reduce the communication interruption rate of CR,increase system throughout and improve the whole system performance.