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Large Scale Cognitive Wireless Networks

we introduce a demonstration of the large scale cognitive wireless networks, where it opportunistically utilizes network resources including both spectrum bandwidth and radio (wireless station) availability, so as to realize reliable wireless communications. Specifically, the proposed demonstration deals with an application of wireless mesh networks for broadband wireless Internet access, supporting guaranteed real-time services of voice or multimedia. A number of advantages of the cognitive networking can be shown by the proposed demonstration, including dynamic network operation and deployment; better (opportunistic) network resource utilization; guaranteed multiple-hop QoS (Quality of Service) for voice/video; and robustness to interferences. The performance of the network could therefore reach its instantaneous maximum.