Samsung Electronics Co., Ltd.

Inha-industry Partnership Institute

Kyoung Jin Jo

Tae In Hyon

Jae Myoung Kim

Jae Hak Chung

Sang Jo Yoo

A communication method and apparatus for a distributed network system where a cognitive radio (CR) technology is used. A communication method of a distributed network system where the CR technology is used includes transmitting adjacent channel information, from at least one first neighbor node adjacent to a source node, first adjacent channel information of the at least one first neighbor node using a pulse signal according to a request of the source node; by transmitting, from at least one second neighbor node adjacent to a destination node, second adjacent channel information of the at least one second neighbor node to the destination node using a pulse signal according to a request of the destination node; and exchanging data between the source node and the destination node using a channel that is not currently used, according to the transmitted adjacent channel information.

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Incheon, South Korea

Kyoung Jin Jo