CHANNEL SENSING METHOD IN DISTRIBUTED COGNITIVE RADIO NETWORK

摘要

A channel sensing method in a distributed cognitive radio network according to the present invention includes the steps of: enabling a sub user to sense any one main user channel selected among a plurality of main user channels in any time slot; reporting the sensing result of the sensed main user channel as an idle state or a busy state; and selecting the main user channel to be sensed in the following time slot based on the sensing results reported from the other sub users.