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Large enterprises often have sites that are spread in distant locations. These scattered sites need to interconnect with the same level of security and privacy as in a local area network. Virtual Private Networks (VPNs) were used to serve this need. A common VPN topology was composed of Multiprotocol extensions for the Border Gateway Protocol (MP-BGP) and Multiprotocol Label Switching (MPLS). This...
This paper investigates the blind algorithm for channel estimation of Orthogonal Frequency Division Multiplexing-Multiple Input Multiple Output (OFDM-MIMO) wireless communication system using the subspace decomposition of the channel received complex baseband signals and proposes a new two-stage blind algorithm. Exploited the second-order cyclostationarity inherent in OFDM with cyclic prefix and the...
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