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In this paper we consider the problem of pilot contamination reduction in time division duplexing (TDD) cellular networks with large antenna arrays at each base station. Shifting pilot locations in time is an effective way to obtain better channel estimation and therefore reduce inter-cell interference. We study the method further, and propose a(More)
The perception of project outcome can influence people’s wiliness to report details in a project. We report an experimental study on the effect of outcome perception and accountability to the completeness of IS documentation. We discuss this issue both theoretically and empirically. We find that perception of project outcome has a significant influence on(More)
With the growing demand for mobile multimedia services in marine activities, maritime communication systems are impelled to provide higher data rates with limited radio resources. Massive multiple-input multiple-output (MIMO) is thus recognized as a promising technology in this case. However, pilot contamination leads to strong inter-cell interference and(More)
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