METHOD AND APPARATUS FOR TRANSMITTING CHANNEL INFORMATION IN COGNITIVE RADIO NETWORK AND METHOD AND APPARATUS FOR PERFORMING CHANNEL SWITCHING

摘要

An embodiment of the present invention relates to a method and a device for transmitting channel information which a station uses among TV white space channels, and a method and a device for switching a channel. More particularly, a method for transmitting channel information decides one ore more channel which the station uses among channels included in a plurality of OFDM blocks wherein the OFDM blocks include: a step of determining a user channel which includes one or more continuous channel among channels of the TV white space; a step of generating first information which shows the smallest channel number among channels included in a first OFDM block among the plurality of OFDM blocks, second information which shows the smallest channel number among channels included in a second OFDM block, third information which shows channels used in each of the OFDM blocks into bitmap information and fourth information which has the size information of the entire bandwidth which the station uses; and a step of transmitting the message.