Adaptive Spectrum Sharing Scheme Based on FH Communications
Chengshu Li · Dianzi xuebao · 2010
An adaptive spectrum sharing(SS) scheme based on frequency hopping(FH) communications are raised for solving SS problems among heterogeneity networks.In this scheme,the networks with spectrum registration are responsible for configuring the parameters of frequency hopping communications,such as FH frequency lists,which are broadcasted in their coverage area.In the SS networks,the reconfigurable terminals named CR-MTs monitor the ambient spectrum context through cognitive radio(CR) technology,and their communications are realized according to the FHIA(frequency hopping-interference avoidance) scheme.In this paper,the transmission model and signaling exchange mechanism in FH-IA scheme are designed.And the interference avoidance(IA) strategies in different conditions are also given.Finally,the performance of FH-IA scheme is analyzed,and simulation results based on the interference calculation model reveal that this scheme has better IA ability.