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The architecture for the Beyond 3rd Generation or 4th Generation wireless networks aims at integrating various heterogeneous wireless access networks over an IP backbone. To provide seamless mobility, one of the design issues is the vertical handoff support. In this paper, we propose a SINR (Signal to Interference plus Noise Ratio) and AHP (Analytic Hierarchy Process) based SAW (Simple Additive Weighting)(SASAW)...
Organizing wireless sensor networks into clusters enables the efficient utilization of the limited energy resources of the deployed sensor nodes. If the network is organized into heterogeneous clusters, where some more powerful nodes take on the cluster head role to control network operation, it is important to ensure that energy dissipation of these cluster heads and "critical sensor nodes"...
This paper proposes a novel asymmetric watermarking scheme. In the proposed scheme, the asymmetric detection watermark is obtained by performing a fractional discrete cosine transform (FDCT) to a primitive watermark. The watermark for embedding is part of the primitive watermark, and it is embedded in the FDCT domain. The asymmetric detection procedure is performed using a correlation test. The theory...
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