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In wireless communication, the cooperative communications technology has been concern because of its advantages of spatial diversity. In particular, cooperative communication with a single relay is a simple, practical technology for wireless sensor networks. In this paper, we analyze several simple network topologies. Under the condition of equal power allocating, the optimum relay locations are respectively...
For most current intrusion detection systems, the capability to counterstrike network intrusion is limited. And the automatic protection of intranet is extremely difficult. In this paper, we present a system: TAICHI which combines heterogeneous intrusion detection systems with improved distributed firewall system (IDFS) to automatically detect and prevent intrusion originated from intranet or Internet...
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