Considering the limited resources and the dynamic spectrum distribution in the cognitive radio sensor networks (CRSN), a half duplex\nMultichannel broadcast protocol for CRSN is presented based on the home channel. This protocol maintains the networks\ntopology only through the home channel, so there is no need for the public channel to transmit the control information and no\nneed for the synchronization. After network initialization, node broadcasts data via home channel in half-duplex transmission way.\nThe simulation results show that, compared with complete broadcast, the proposed protocol effectively reduces broadcast delay and\noverhead.
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