APPARATUS FOR SIMULATING BASED ON MODELING AND SIMULATION FRAMEWORK IN DISTRIBUTED COGNITIVE RADIO NETWORKS

摘要

PURPOSE: A simulation apparatus based on a modeling and simulation framework in distributed cognitive radio networks is provided to simulate a hybrid access protocol. CONSTITUTION: A band selection unit (610) selects a spectrum band among a plurality of predetermined spectrum bands. A detection unit (620) detects virtual traffic that is transmitted to the selected spectrum band from a user node. If it is determined that the selected spectrum band is in an idle state by a result of detection of the virtual traffic, a packet transmission unit (640) transmits a packet through the selected spectrum band. A protocol selection unit (630) selects a spectrum access protocol corresponding to the aforementioned selected spectrum band among a plurality of predetermined spectrum access protocols. [Reference numerals] (610) Band selection unit; (620) Detection unit; (630) Protocol selection unit; (640) Packet transmission unit