345 research outputs found

    DS-CDMA microcellular networks with adaptive antennas

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    Low-complexity smart antenna methods for third-generation W-CDMA systems

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    Application of adaptive antenna technology to third generation radio architectures

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    On the sensitivity of the capacity enhancement of a TDMA system with adaptive multibeam antennas

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    A new stochastic spatio-temporal propagation model (SSTPM) for mobile communications with antenna arrays

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    Orthogonal re-spread for uplink WCDMA beamforming

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    Cartographic Generalization in Digital Environment

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    Throughout the world numerous efforts to automate generalization are in progress. The results are yet to be satisfactory. Ample reasoning can be given to justify the lack of success, the most important being that generalization is an ambiguous process, highly subjective which lacks definitive rules, guidelines or systematization. This paper deals with the problem of generalization of vector data bases through the analysis of recent developments and research in the field. These developments tend to establish a promising framework which, with subsequent refinements and the utilization of state-of-the-art computer technology, may lead to successful results. What is needed is what lacks: Definitive rules in structuring the digital image of the world and development of expert systems which will intelligently manipulate this image

    Calibration and linearity issues for an adaptive antenna system

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    Performance enhancement of DS-CDMA microcellular networks with adaptive antennas

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